This document summarizes Himanshu Ahuja's 6-week training report at Paharpur 3P, a renowned flexible packaging and gravure printing company in India. It begins with acknowledgments and introduces the company, describing its origins in the 1990s, facilities, certifications, products/clients, and future plans. It then provides overviews of the key departments where training occurred, including cylinder preparation (engraving cylinders using automated diamond-tipped engraving heads), printing, lamination, and quality control. The report aims to provide a practical understanding of gravure printing operations and industrial work culture gained from the training.
Choosing the right Rubber Calender is important; learning to operate it smartly is equally key for your success with this machine. This edition covers all these aspects in a descriptive manner.
The document discusses additives used in printing inks, including water based and solvent based systems as well as radiation cured systems. It provides information on different types of additives such as defoamers, dispersing agents, rheology modifiers, wetting and leveling agents, and micronized waxes. For each additive type, the document lists specific products from Munzing and details their properties and applications. The goal of Munzing is to solve formulation problems for customers through technical support and a broad range of additive chemistries.
High performance fibers are fibers that provide higher strength and functionality compared to commodity fibers like nylon and polyester. They have unique properties such as high tensile strength, heat resistance, and chemical resistance that make them suitable for demanding applications. Examples of high performance fibers include aramid fibers like Kevlar and Nomex, which have very high tensile strength and heat resistance. These fibers are made through solution polymerization or interfacial polymerization of monomers like paraphenylene diamine and terephthaloyl chloride. The resulting polymers have aromatic rings in their backbone, providing properties like strength, stiffness, and thermal and chemical resistance.
Filament winding is a process that creates circular composite products with a hollow core by winding fiber material and resin around a mandrel or core. The fiber is wound in a precise pattern while under tension. The wound part is then cured either at room temperature or in an oven, after which the mandrel is removed, leaving a hollow composite structure. Filament winding is used to create products like storage tanks, pipes, aerospace and vehicle parts, and more.
The document discusses the role and selection of matrix materials in composite materials. The matrix material holds the fibers together, protects them from the environment, and transfers loads between fibers. Key factors in selecting a matrix are that it must be mechanically compatible with strong fibers, cost-effective, and able to withstand the intended service conditions. Common matrix materials like aluminum and magnesium alloys are widely used due to their low density and high thermal conductivity. The primary roles of the matrix are to efficiently transfer loads to fibers and absorb cracks to improve toughness.
The presentation discusses textile coating techniques. It begins with an introduction to how coating enhances textiles' functional properties. It then defines coating and discusses common coating formulations, polymers, and physical forms used. The document outlines various coating processes like direct coating, foamed coating, transfer coating, and others. It discusses parameters for uniform coating and factors in selecting fabrics for coating. The presentation concludes by covering applications of coated textiles and advanced coating technologies like plasma coating and phase change materials.
Plastics can be used as building materials due to their beneficial properties such as strength, durability, resistance to water and corrosion, and low cost. There are two main types of plastics - thermoplastics, which soften when heated and harden when cooled and can be repeatedly reformed, and thermosetting plastics, which permanently harden during heating and cannot be remelted or remolded. Common applications of plastics in construction include pipes, cables, flooring, roofing, windows, and structural plastic composites reinforced with fibers.
FIBER SELECTION
Factors to consider when choosing glass type include thermal properties; fiber cost, type of manufacturing process being used, and forms of reinforcement
Choosing the right Rubber Calender is important; learning to operate it smartly is equally key for your success with this machine. This edition covers all these aspects in a descriptive manner.
The document discusses additives used in printing inks, including water based and solvent based systems as well as radiation cured systems. It provides information on different types of additives such as defoamers, dispersing agents, rheology modifiers, wetting and leveling agents, and micronized waxes. For each additive type, the document lists specific products from Munzing and details their properties and applications. The goal of Munzing is to solve formulation problems for customers through technical support and a broad range of additive chemistries.
High performance fibers are fibers that provide higher strength and functionality compared to commodity fibers like nylon and polyester. They have unique properties such as high tensile strength, heat resistance, and chemical resistance that make them suitable for demanding applications. Examples of high performance fibers include aramid fibers like Kevlar and Nomex, which have very high tensile strength and heat resistance. These fibers are made through solution polymerization or interfacial polymerization of monomers like paraphenylene diamine and terephthaloyl chloride. The resulting polymers have aromatic rings in their backbone, providing properties like strength, stiffness, and thermal and chemical resistance.
Filament winding is a process that creates circular composite products with a hollow core by winding fiber material and resin around a mandrel or core. The fiber is wound in a precise pattern while under tension. The wound part is then cured either at room temperature or in an oven, after which the mandrel is removed, leaving a hollow composite structure. Filament winding is used to create products like storage tanks, pipes, aerospace and vehicle parts, and more.
The document discusses the role and selection of matrix materials in composite materials. The matrix material holds the fibers together, protects them from the environment, and transfers loads between fibers. Key factors in selecting a matrix are that it must be mechanically compatible with strong fibers, cost-effective, and able to withstand the intended service conditions. Common matrix materials like aluminum and magnesium alloys are widely used due to their low density and high thermal conductivity. The primary roles of the matrix are to efficiently transfer loads to fibers and absorb cracks to improve toughness.
The presentation discusses textile coating techniques. It begins with an introduction to how coating enhances textiles' functional properties. It then defines coating and discusses common coating formulations, polymers, and physical forms used. The document outlines various coating processes like direct coating, foamed coating, transfer coating, and others. It discusses parameters for uniform coating and factors in selecting fabrics for coating. The presentation concludes by covering applications of coated textiles and advanced coating technologies like plasma coating and phase change materials.
Plastics can be used as building materials due to their beneficial properties such as strength, durability, resistance to water and corrosion, and low cost. There are two main types of plastics - thermoplastics, which soften when heated and harden when cooled and can be repeatedly reformed, and thermosetting plastics, which permanently harden during heating and cannot be remelted or remolded. Common applications of plastics in construction include pipes, cables, flooring, roofing, windows, and structural plastic composites reinforced with fibers.
FIBER SELECTION
Factors to consider when choosing glass type include thermal properties; fiber cost, type of manufacturing process being used, and forms of reinforcement
Pultrusion is a continuous process for manufacture of composite materials with constant cross-section.
It is more widely used in industries where there is a continuous demand of the product
This document discusses aramid fibers, which are aromatic polyamide fibers used to make materials like Kevlar and Nomex. It describes the two main types of aramid fibers - meta-aramids like Nomex and para-aramids like Kevlar. The document outlines their production process, properties, and applications. Aramid fibers are known for their high strength, heat resistance, and durability, making them useful for applications like protective clothing, tires, cables, and composites.
This document provides an overview of rubber compounding. It discusses how natural rubber latex is concentrated to about 60% rubber solids through processes like centrifuging and evaporation. Rubber compounding involves blending the concentrated latex with various additives to achieve desired properties for different applications. Major additives discussed include vulcanizing agents, antioxidants, fillers, softeners, and dispersing agents. The objectives and selection criteria for these compounding ingredients are explained.
Sheet molding compound (SMC) is a composite material made of long glass fibers, minerals, and thermosetting resin formed into a malleable sheet. SMC contains 10-60% glass fiber reinforcement that is longer than in bulk molding compound, between 1/2-1 inch. To make SMC, a resin-coated film is layered with chopped fiber strands and pressed between rollers to embed the fibers. The layered sandwich cures while wound, then the film is removed and SMC is molded. SMC offers high strength, corrosion resistance, and electrical insulation for uses like electrical parts housings and medical and dental equipment.
The document discusses various techniques for manufacturing composites, including hand layup, pultrusion, resin transfer molding, and injection molding. It provides details on the hand layup process, describing how dry fibers and resins are layered by hand in an open mold. Pultrusion is defined as a continuous process that pulls reinforced fibers through a resin bath and heated die to produce cured, constant cross-section parts. Resin transfer molding involves packing dry fibers into a mold, injecting resin under pressure, and curing the mold to produce complex, net-shape parts in medium volumes. Each technique has advantages for certain applications in industries like aerospace, transportation, and construction.
The document discusses different types of fibers used in manufacturing including glass fibers, aramid fibers, carbon fibers, and ceramic fibers. Glass fibers are the most versatile industrial material and are produced from abundant raw materials. Aramid fibers have very high strength-to-weight ratios and are used in tires and protective clothing. Carbon fibers are produced from polyacrylonitrile or pitch and involve thermosetting, carbonizing, and graphitizing processes. Ceramic fibers include oxide and non-oxide varieties produced using sol-gel processing or from organometallic precursors.
The document discusses various methods and materials for coating textiles. It describes how polymers are used to coat textiles by applying a viscous liquid to the surface and drying or curing it. Common coating methods include direct coating, hot melt extrusion, transfer coating, and foamed coating. Specific techniques involve knife coating, gravure coating, screen coating, and hot melt coating. Common materials for coating textiles include polyvinyl chloride (PVC), polyurethanes, polytetrafluoroethylene (PTFE), and various types of rubber. Coated fabrics find a wide range of applications depending on the materials and properties imparted.
The document discusses different types of printing inks used in various printing processes. It describes the key components of printing inks including solvents, binders, colorants and additives. It then classifies printing inks based on viscosity, drying method and chemical nature. Specific details are provided about letterpress, offset, silk screen, flexographic and gravure inks as well as recommended viscosity for different processes. Processing steps like adjusting viscosity and adding solvents/extenders are also summarized.
The document discusses the calendaring process for producing plastic sheets. It involves passing a plastic melt between heated counter-rotating rolls to form a continuous film or sheet. Key steps include compounding the plastic with additives, fluxing the compound, feeding it to heated calendar rolls, and winding the cooled sheet. Parameters like roll temperature, speed, and nip gap are controlled. Common applications of calendared sheets include packaging, medical products, flooring, and automotive parts.
U-Flex is India's largest flexible packaging company with manufacturing facilities across several countries. The standard manufacturing process at U-Flex involves designing, pre-press, sourcing raw materials like PET, BOPP, CPP, etc., film production, cylinder preparation, printing, lamination/extrusion, slitting, pouching, and testing before marketing. Key steps include designing packaging according to customer needs, separating colors for printing, managing color accuracy, and preparing files for printing. A variety of raw plastic films are imported and used based on their barrier and strength properties for different packaging applications.
Nitrile rubber (NBR) is produced from a copolymer of acrylonitrile and butadiene. It is oil-resistant and commonly used in fuel hoses, gaskets, and other products requiring oil resistance. NBR is produced via emulsion polymerization of acrylonitrile and butadiene monomers in water, followed by coagulation of the polymer latex to form crumb rubber. Properties of NBR depend on the percentage of acrylonitrile, with higher percentages providing better oil and chemical resistance but reduced flexibility at lower temperatures.
The document compares various printing technologies and provides details on several processes. It summarizes:
1) Several analog printing processes including silk screen, offset, letterpress, and gravure printing.
2) Details of offset printing units and processes.
3) The history and current state of reel offset printing including increasing speeds up to 50,000 revolutions per hour.
4) Digital printing processes like electrophotography, inkjet, magnetography, nanography, and thermoprocessing.
5) Specific high-speed presses using these technologies from companies like HP, Xerox, Kodak, and Océ.
This document discusses fundamentals of polymer engineering, specifically polymer additives and blends. It defines additives as any substance added in small amounts to polymers to improve properties, facilitate processing, or reduce costs. Common additives include stabilizers, lubricants, fillers, plasticizers, and flame retardants. Fillers extend materials at low cost and can improve mechanical properties when well-dispersed. Polymer blends combine two or more polymers and offer benefits like extended temperature ranges, lighter weight, and improved toughness or barrier properties compared to the individual polymers. The classifications, functions, and examples of additives and blends in various polymer applications are covered in detail.
This document discusses various polymer processing techniques. It begins by outlining three general phases of plastics processes: heating, shaping/forming under constraint, and cooling. It then describes specific processes like thermoforming, compression and transfer molding, rotational molding, extrusion and extrusion-based processes, injection molding, and blow molding. For each process, it provides details on how it works, its advantages and disadvantages, and common applications.
This document provides information on ink jet printing of textiles. It discusses various aspects of ink jet printing technology including printhead technologies like piezo and thermal drop-on-demand, resolutions, ink types, printer classifications and examples. It summarizes key elements of ink jet printing like the printhead, fabric feed system, ink, fabric, software and pre/post-treatment processes.
Developments in clear high barrier packagingnattapol76
The document discusses developments in clear, high barrier packaging materials. It provides information on various barrier films and coatings, including their thickness, moisture vapor transmission rate, oxygen transmission rate, thermoformability, and whether they can withstand autoclaving or retort processes. Common barrier materials discussed include EVOH, polyvinylidene chloride, silicon oxide, aluminum oxide, and aluminum foil. The document serves to educate attendees on the barrier properties and characteristics of materials that can provide clarity and high barrier performance for packaging applications.
How to select a plastic injection molding machine.Naik Devang
Buying a PIMM is not a small investment. Too much machine for the job at hand is wasteful. Too little machine does not get job done. Careful matching of the jobs needs and the attributes of a PIMM is well worth the effort.
Zinc oxide (ZnO) is added to rubber compounds to activate sulfur vulcanization and thereby reduce the vulcanization time. ... The release of zinc into the environment from rubber occurs during the production, disposal, and recycling of rubber products (e.g., through leaching in landfill sites).
Its most common application is as a vulcanization activator in conjunction with stearic acid. Its addition is recommended at the beginning of the mixture, after the addition of stearic acid - its addition before stearic acid causes difficulty in incorporation and problems with dispersion.
Presentation on green chemistry in gravure printingAdesh Katariya
Growing concern for the Global warming leading to green house effect is the result of excessive use of solvents and pollutants in the atmosphere.
This presentation is based on risks of chemicals used in gravure printing , details are for toxicological, Eco-toxicological concerns.
The document discusses several rotogravure printing machines made by GrafFlex and Rotoflex. The machines use modular construction and feature integrated trolley systems that allow for quick job changeovers. Printing speeds range from 200 to 400 meters per minute. The machines can print flexible packaging materials and use unwind and rewind systems along with controls for automatic web tension, register, and speed.
Pultrusion is a continuous process for manufacture of composite materials with constant cross-section.
It is more widely used in industries where there is a continuous demand of the product
This document discusses aramid fibers, which are aromatic polyamide fibers used to make materials like Kevlar and Nomex. It describes the two main types of aramid fibers - meta-aramids like Nomex and para-aramids like Kevlar. The document outlines their production process, properties, and applications. Aramid fibers are known for their high strength, heat resistance, and durability, making them useful for applications like protective clothing, tires, cables, and composites.
This document provides an overview of rubber compounding. It discusses how natural rubber latex is concentrated to about 60% rubber solids through processes like centrifuging and evaporation. Rubber compounding involves blending the concentrated latex with various additives to achieve desired properties for different applications. Major additives discussed include vulcanizing agents, antioxidants, fillers, softeners, and dispersing agents. The objectives and selection criteria for these compounding ingredients are explained.
Sheet molding compound (SMC) is a composite material made of long glass fibers, minerals, and thermosetting resin formed into a malleable sheet. SMC contains 10-60% glass fiber reinforcement that is longer than in bulk molding compound, between 1/2-1 inch. To make SMC, a resin-coated film is layered with chopped fiber strands and pressed between rollers to embed the fibers. The layered sandwich cures while wound, then the film is removed and SMC is molded. SMC offers high strength, corrosion resistance, and electrical insulation for uses like electrical parts housings and medical and dental equipment.
The document discusses various techniques for manufacturing composites, including hand layup, pultrusion, resin transfer molding, and injection molding. It provides details on the hand layup process, describing how dry fibers and resins are layered by hand in an open mold. Pultrusion is defined as a continuous process that pulls reinforced fibers through a resin bath and heated die to produce cured, constant cross-section parts. Resin transfer molding involves packing dry fibers into a mold, injecting resin under pressure, and curing the mold to produce complex, net-shape parts in medium volumes. Each technique has advantages for certain applications in industries like aerospace, transportation, and construction.
The document discusses different types of fibers used in manufacturing including glass fibers, aramid fibers, carbon fibers, and ceramic fibers. Glass fibers are the most versatile industrial material and are produced from abundant raw materials. Aramid fibers have very high strength-to-weight ratios and are used in tires and protective clothing. Carbon fibers are produced from polyacrylonitrile or pitch and involve thermosetting, carbonizing, and graphitizing processes. Ceramic fibers include oxide and non-oxide varieties produced using sol-gel processing or from organometallic precursors.
The document discusses various methods and materials for coating textiles. It describes how polymers are used to coat textiles by applying a viscous liquid to the surface and drying or curing it. Common coating methods include direct coating, hot melt extrusion, transfer coating, and foamed coating. Specific techniques involve knife coating, gravure coating, screen coating, and hot melt coating. Common materials for coating textiles include polyvinyl chloride (PVC), polyurethanes, polytetrafluoroethylene (PTFE), and various types of rubber. Coated fabrics find a wide range of applications depending on the materials and properties imparted.
The document discusses different types of printing inks used in various printing processes. It describes the key components of printing inks including solvents, binders, colorants and additives. It then classifies printing inks based on viscosity, drying method and chemical nature. Specific details are provided about letterpress, offset, silk screen, flexographic and gravure inks as well as recommended viscosity for different processes. Processing steps like adjusting viscosity and adding solvents/extenders are also summarized.
The document discusses the calendaring process for producing plastic sheets. It involves passing a plastic melt between heated counter-rotating rolls to form a continuous film or sheet. Key steps include compounding the plastic with additives, fluxing the compound, feeding it to heated calendar rolls, and winding the cooled sheet. Parameters like roll temperature, speed, and nip gap are controlled. Common applications of calendared sheets include packaging, medical products, flooring, and automotive parts.
U-Flex is India's largest flexible packaging company with manufacturing facilities across several countries. The standard manufacturing process at U-Flex involves designing, pre-press, sourcing raw materials like PET, BOPP, CPP, etc., film production, cylinder preparation, printing, lamination/extrusion, slitting, pouching, and testing before marketing. Key steps include designing packaging according to customer needs, separating colors for printing, managing color accuracy, and preparing files for printing. A variety of raw plastic films are imported and used based on their barrier and strength properties for different packaging applications.
Nitrile rubber (NBR) is produced from a copolymer of acrylonitrile and butadiene. It is oil-resistant and commonly used in fuel hoses, gaskets, and other products requiring oil resistance. NBR is produced via emulsion polymerization of acrylonitrile and butadiene monomers in water, followed by coagulation of the polymer latex to form crumb rubber. Properties of NBR depend on the percentage of acrylonitrile, with higher percentages providing better oil and chemical resistance but reduced flexibility at lower temperatures.
The document compares various printing technologies and provides details on several processes. It summarizes:
1) Several analog printing processes including silk screen, offset, letterpress, and gravure printing.
2) Details of offset printing units and processes.
3) The history and current state of reel offset printing including increasing speeds up to 50,000 revolutions per hour.
4) Digital printing processes like electrophotography, inkjet, magnetography, nanography, and thermoprocessing.
5) Specific high-speed presses using these technologies from companies like HP, Xerox, Kodak, and Océ.
This document discusses fundamentals of polymer engineering, specifically polymer additives and blends. It defines additives as any substance added in small amounts to polymers to improve properties, facilitate processing, or reduce costs. Common additives include stabilizers, lubricants, fillers, plasticizers, and flame retardants. Fillers extend materials at low cost and can improve mechanical properties when well-dispersed. Polymer blends combine two or more polymers and offer benefits like extended temperature ranges, lighter weight, and improved toughness or barrier properties compared to the individual polymers. The classifications, functions, and examples of additives and blends in various polymer applications are covered in detail.
This document discusses various polymer processing techniques. It begins by outlining three general phases of plastics processes: heating, shaping/forming under constraint, and cooling. It then describes specific processes like thermoforming, compression and transfer molding, rotational molding, extrusion and extrusion-based processes, injection molding, and blow molding. For each process, it provides details on how it works, its advantages and disadvantages, and common applications.
This document provides information on ink jet printing of textiles. It discusses various aspects of ink jet printing technology including printhead technologies like piezo and thermal drop-on-demand, resolutions, ink types, printer classifications and examples. It summarizes key elements of ink jet printing like the printhead, fabric feed system, ink, fabric, software and pre/post-treatment processes.
Developments in clear high barrier packagingnattapol76
The document discusses developments in clear, high barrier packaging materials. It provides information on various barrier films and coatings, including their thickness, moisture vapor transmission rate, oxygen transmission rate, thermoformability, and whether they can withstand autoclaving or retort processes. Common barrier materials discussed include EVOH, polyvinylidene chloride, silicon oxide, aluminum oxide, and aluminum foil. The document serves to educate attendees on the barrier properties and characteristics of materials that can provide clarity and high barrier performance for packaging applications.
How to select a plastic injection molding machine.Naik Devang
Buying a PIMM is not a small investment. Too much machine for the job at hand is wasteful. Too little machine does not get job done. Careful matching of the jobs needs and the attributes of a PIMM is well worth the effort.
Zinc oxide (ZnO) is added to rubber compounds to activate sulfur vulcanization and thereby reduce the vulcanization time. ... The release of zinc into the environment from rubber occurs during the production, disposal, and recycling of rubber products (e.g., through leaching in landfill sites).
Its most common application is as a vulcanization activator in conjunction with stearic acid. Its addition is recommended at the beginning of the mixture, after the addition of stearic acid - its addition before stearic acid causes difficulty in incorporation and problems with dispersion.
Presentation on green chemistry in gravure printingAdesh Katariya
Growing concern for the Global warming leading to green house effect is the result of excessive use of solvents and pollutants in the atmosphere.
This presentation is based on risks of chemicals used in gravure printing , details are for toxicological, Eco-toxicological concerns.
The document discusses several rotogravure printing machines made by GrafFlex and Rotoflex. The machines use modular construction and feature integrated trolley systems that allow for quick job changeovers. Printing speeds range from 200 to 400 meters per minute. The machines can print flexible packaging materials and use unwind and rewind systems along with controls for automatic web tension, register, and speed.
This document provides an overview of the milk processing operations at the Ballabgarh Co-operative Milk Producer's Union Limited milk plant in Haryana, India. It describes the receipt and storage of raw milk, as well as the production processes for various milk products including standardized, pasteurized, and homogenized milk, paneer, dahi, ghee, kaju pinni, butter, and skim milk powder. Quality control procedures including various chemical and physical tests are also summarized to check the quality of milk and finished products.
This document provides an overview of a project submitted for a Bachelor's degree in Business Administration. It discusses a comparative study on working capital management at Uflex Limited, an Indian flexible packaging company. The document includes sections on an introduction to the company, research methodology, conceptual discussion, data analysis, findings and recommendations, and conclusions. It was submitted in partial fulfillment of the degree requirements and includes acknowledgements, preface, table of contents, and annexures.
The document describes several different printing processes: gravure, offset lithography, flexography, screen printing, and photocopying. Gravure uses engraved copper plates to produce high-quality images but is very expensive. Offset lithography uses three cylinders - plate, offset, and impression - to transfer ink economically onto various surfaces. Flexography is a high-speed relief process using rubber plates, though quality varies slightly between products. Screen printing can be used on all materials but is slow to dry. Photocopying replicates images photographically and electrically onto paper but the ink is costly.
Our company has several advantages that allow us to increase quality and drive costs out of the printing process, including a new automated gravure facility, global buying power for raw materials, vertical integration of manufacturing systems, and a vocational training school. With a growing business supported by these advantages and a global location presence, the company is planning for further growth and changing the gravure landscape.
The document discusses types of gravure inks, their properties, and applications. It describes that gravure inks consist of pigments, resins, solvents, and additives. There are four main types of gravure inks - reverse printing inks, surface printing inks, common inks for both surface and reverse printing, and inks for special applications. Polyurethane, vinyl, and acrylic-based inks are examples of reverse printing inks used in food packaging. Surface printing inks include general purpose, heat resistant, and oil/fat resistant inks used in packaging of products like milk, butter, and oils.
The document discusses several studies on printed electronics using gravure printing and inkjet printing techniques. It examines factors that affect gravure printed electronics like ink viscosity and thickness. Methods involve printing conductive inks on paper and PET substrates using different gravure and offset techniques. Results found gravure can print thicker films for electronics and is compatible with various inks. Inkjet printing of passive components like resistors, capacitors and inductors on polyimide is also discussed. Functional inks are used to enhance properties and an RC circuit is fabricated to test component interaction. Another study presents a fully printed wireless humidity sensor using screen printing with a planar antenna, capacitor and sensor head to remotely detect humidity shifts.
Tirupati Inks Ltd is an Indian company that manufactures water-based and solvent-based printing inks, coatings, and varnishes for flexible packaging industries. They produce inks for gravure and flexographic printing processes. Their product lines include inks for printing on substrates like PET, BOPP, paper, aluminum foil, and more. They have manufacturing facilities in India and provide products globally with a focus on serving the packaging industry.
New Era Converting Machinery - Gravure Coating Webinarjrd22
The document discusses gravure coating, an industry-versatile coating method. It outlines the webinar on gravure coating, including an overview of the classic gravure coater process and its components like the gravure roll, doctor blade, and impression roll. It also describes improvements like enclosed applicators and quick-change cartridge systems. Variations covered are reverse, offset, and differential offset gravure, as well as pressurized applicators and two-side coating. The versatility of gravure in application range, substrates, coating types, and viscosities handled is highlighted.
This document provides an overview of antimicrobial packaging. It discusses the objectives of antimicrobial packaging which is to prevent degradation of food quality by acting as a hurdle against microorganisms. The principles and various systems are explained, including composition of antimicrobial agents and films. Methods for incorporating antimicrobial agents like addition of sachets, direct incorporation, coating, immobilization and antimicrobial polymers are outlined. The document also reviews the mechanism of action, effectiveness, engineering properties and design considerations for antimicrobial food packaging systems.
Manufacturing of Printing Inks with Formulation (Flexographic Inks, Typograph...Ajjay Kumar Gupta
Manufacturing of Printing Inks with Formulation (Flexographic Inks, Typographic Printing Inks, Planographic Inks, Intaglio Printing Inks, Gravure Printing Inks, Special Inks, Offset Printing Inks, Ball Pen Inks, Fluorescent Inks, Phosphorescent Pigments, Silk-screen Fluorescent Printing, Inorganic Pigments)
Printing ink sector in India witnessed a growth of around 7.5% per annum during the Past years. Printed packaging accounts for around 27% of the demand for printing inks in India followed by newspapers at 20%. Commercial printing/promotional and printed advertising together account for around 19% of the demand. Other key end user segments for printing inks include books and stationery. With the print sector forecast to grow at around 8% per annum, in coming years, printing ink segment is expected to grow strongly.
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Printing Inks with Formulae, Printing Inks with Processes, A Guide to Popular Printing Techniques, best small and cottage scale industries, formulation of printing inks, Gravure Printing industry, Growth in the Printing inks, How Ink Is Made, How Ink is manufactured, How printing ink manufactured in factory, how to manufacture ink, How to Start a Printing inks Production Business, How to start a successful Printing inks business, How to Start Printing inks Industry in India, Ink and Printability Testing, Inking Rollers, Inking Rollers uses, Manufacture of Inks and varnishes, manufacturing of varnish, Modern Printing Process, Most Profitable Printing inks manufacturing Business Ideas, new small scale ideas in inks manufacturing industry, Newspaper Printing Ink, Packaging Inks Market - Covering the Printing Inks, Coatings and Allied Industries, Printing inks Based Small Scale Industries Projects, Printing inks Business, Printing inks manufacturing Industry in India, Printing inks, manufacturing Projects, printing ink formulation, printing ink manual, Printing Ink Manufacturing, printing ink manufacturing process, Printing Ink Technology and Manufacture, Printing Inks & Applications, Printing Processes and Printing Inks, Profitable Small Scale inks Manufacturing, Robust Growth in the Indian Exports of Printing Inks, screen printing process, Setting up and opening your Printing inks Business, Setting up and opening your Printing Business, Small Scale Printing inks manufacturing Projects, Starting a Printing inks manufacturing Business, Starting a Printing Business, Starting an Offset Printing Press, Start-up Business Plan for Printing inks, Startup Project for Printing inks Business, offset printing ink manufacturing process, formulation of Offset Printing Inks, Ball Pen Inks, Fluorescent Inks, Phosphorescent Pigments, Silk-screen Fluorescent Printing, Inorganic Pigments, Offset printing technology, How printing ink manufactured in factory, offset printing ink formulation
This document provides information about Micro Inks Limited, an Indian printing ink company. It discusses the origins of the ink industry, Micro Ink's growth and achievements over the years, its organizational structure and departments. It positions Micro Inks as the 15th largest ink company globally and number 1 in India with over $171 million in annual sales. The document also provides background on the Bilakhia Group that owns Micro Inks and its other businesses, including Mitsu Industries.
This document is a report submitted by Chandan Kumar Sahu to Lovely Professional University in partial fulfillment of an MBA degree. The report details Chandan's summer training at Orient Paper Mill, where he studied the order processing procedures, customer complaint handling, quality control policies, and sales department operations. The report includes sections on the company's history and awards, paper production processes, product range, export order handling, and a SWOT analysis.
This document is a report submitted by Chandan Kumar Sahu to Lovely Professional University in partial fulfillment of an MBA degree. The report details Chandan's summer training at Orient Paper Mill, where he studied the order processing procedures. It includes sections on the company's history and awards, production processes, product types, ordering and complaint handling procedures, responsibilities of staff, quality control policies, and Chandan's observations and recommendations.
Hewlett Packard (HP) is a global technology company that provides products, technologies, software, solutions and services. It has customers in over 170 countries. HP operates business units in personal computers, printing, IT services, enterprise infrastructure and software. Printing and other peripherals account for 20% of HP's business. HP is the market leader in printers but faces competition from Canon, Epson, Samsung and Brother. As of 2015, HP held a 53.4% market share of the printer market. The company aims to provide seamless, secure, context-aware experiences through a strategy focused on analytics software and being a cloud platform. It has three main product departments: personal systems, imaging and printing, and enterprise
Industrial Training Project on Roseate MedicareMehfuj Ahmad
This industrial training report provides details about Mehfuj Ahamad's internship at Roseate Medicare, a pharmaceutical manufacturing company in Himachal Pradesh, India. The report describes Roseate Medicare's vision of becoming a leading healthcare provider in Northern India. It also outlines the company's manufacturing sections including granulation, blending, compression, and coating. The granulation section utilizes equipment like mass mixers, tray dryers, fluidized bed dryers, and multi-mills to improve tablet characteristics. Overall, the report provides an overview of Roseate Medicare's operations and Mehfuj Ahamad's experience working in the company's manufacturing facility.
Hitech Machine Tools is a manufacturing company located in Faridabad, Haryana, India that produces jigs, dies, and other equipment for automotive companies. It was founded in 1996 and has an annual turnover of 3 crores. The company has 50 employees and produces a variety of products including gauges, hydraulic systems, and automotive components. It aims to provide quality products at reasonable prices and good after-sales service to customers. The founder, Mr. Rakesh Sharma, started the company with a goal of supporting the domestic automotive industry in India.
The document is a summer training project report submitted by Feroz Ahmad to Jaipuria Institute of Management, Lucknow in partial fulfillment of requirements for a Post Graduate Diploma in Management. The purpose of the study was to find alternate channels to promote Kara Wet Wipes in major markets of Lucknow and understand perceptions of customers and retailers. The author sampled Kara Wipes in various markets, interacted with 156 customers through surveys to analyze awareness and perception of wet wipes. Results showed increasing awareness of wet wipes but they are still seen as extravagant rather than essential, and middle-income customers could be targeted through promotions.
This document provides a summary of the author's in-plant training at Reliance Industries Limited's Product Application and Research Centre in Mumbai from July 17th to August 14th 2014. It includes an acknowledgements section thanking those involved in the training. It then covers Reliance Industries' company profile and manufacturing facilities. It provides an introduction to the Product Application and Research Centre and describes its testing and processing divisions. It gives details on various polymer testing methods used at the centre.
1. Azine Healthcare Pvt Ltd is a pharmaceutical manufacturing company located 35 km from Ahmedabad, India that produces tablets, capsules, oral liquids, and ointments for domestic and international markets.
2. The trainee observed the production process which included mixing, granulating, drying, milling, blending, compression, coating, and packaging of metformin tablets.
3. The training provided the student with practical experience of pharmaceutical production and an understanding of quality control, instrumentation, and working in a professional industry environment.
(www.indiamart.com/renphasyscon) We are well known in the market for providingAloe Vera Products, Herbal Extraction Machineries etc. These presented industrial machines and materials are best in quality and properly safe to use up to several years. We apply nominal price for this spectrum of industrial products.
Printing is one of those inventions that have revolutionized our world and is the most important fundamental practices in our society. Nothing is more essential to civilization intellectually or commercially, than printing. Printing is widely used in our society to pass on information and to decorate objects. Printing is a process for reproducing text and images, typically with ink on paper using a printing press. It is often carried out as a large scale industrial process, and is an essential part of publishing and transaction printing.
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The document summarizes Talal Khan's internship at Colgate Palmolive in Kotri, Pakistan. It describes the key processes and areas Talal learned about during the internship, including the post addition plant where various processes like screening, mixing, grinding, and storage take place. The post addition plant further processes the base powder from other plants by adding additives and perfume in mixers to create the final product. Oversize particles are separated and sent for grinding to be recovered and reused.
The document summarizes an internship report submitted by Rohit Singh to Ashok Pandey at Alps Industries Limited from June 11 to July 10, 2018. It includes acknowledgements, details about the company history and various departments, and a description of the processing, dyeing, and finishing departments. The key departments discussed are processing (singeing, RFD), dyeing (jigger, jet, soft flow machines), and finishing (mechanical and other processes like hot melt).
Rudra Laghu Sanstha", incorporated in the year 2013, is engaged in the manufacturing, supplying, wholesaling and trading of the finest range of Paper Moulds and Hydraulic Machine.
This document is a curriculum vitae for Vijay Kumar Panigrahi, who has over 25 years of experience in the paper and pulp industry. Some of his areas of expertise include troubleshooting, process improvement, and sales and marketing of specialty paper chemicals. He has held roles such as Technical Director and General Manager at various companies. The CV outlines his professional experience, achievements, responsibilities, education, and additional training. It provides an overview of Panigrahi's qualifications and background in the paper and pulp industry.
The document provides information about managed printing services offered by Printiology including:
- The printer would remain the customer's property at all times.
- The customer would be required to purchase a minimum of one toner cartridge or set of four cartridges per month.
- Printiology would be responsible for printer maintenance and the customer would provide access for maintenance and inspections.
- The initial contract would be for two years and could be extended for another two years.
This industrial training report describes Tapasya Pal's one month training at Navkar Lifesciences. The report includes sections on the manufacturing, packaging, and testing processes at the facility. It provides details on the equipment used in granulation, blending, compression, and coating of pharmaceutical products. It also discusses packaging methods like ALU-ALU packing, blister packing, and strip packing. Maintaining good manufacturing practices and standard operating procedures is emphasized.
This slide is based on the report of attachment of Karim Textile Limited.
During this short period of time, we have gone through some responsibilities:
1. Calculating Cycle Time
2. Finding Line Target
3. Calculating worker efficiency
4. Solving ratio
5. Line balancing
6. Identifying machine of every section & each type of item manufacturing process.
7. Calculate D.H.U
8. Implement 5S, SOP, KAIZEN, TQM
9. Follow-up each process from Store department to Finishing department.
10. Finding individual worker target.
At the end of our session we have came through with achievements:
1) Define the root cause for less production problem in lay spreader machine using Fishbone Analysis & 5Why to solve the problem.
2) Implement 5S on tool rack
The full report link is given below:
There are five key variables that affect manufacturing production: raw materials, tooling, environment, training, and equipment. Raw materials must have consistent density and granulation to ensure proper tableting. Tooling requires preventative maintenance through seven stages including cleaning, inspection, repair, measurement, polishing, lubrication, and storage. The environment impacts moisture and temperature which can cause sticking or broken tablets. Proper training of all personnel is needed for producing quality tablets. Lastly, well-maintained equipment is necessary to practice what was learned and make better quality products.
The document describes the design of a pilot plant for producing tablets and capsules. It includes organizational structures for managing production, with the pilot plant controlled by pharmaceutical research. It also details various unit operations involved in tablet and capsule production like blending, granulation, drying, milling, compression, coating, and filling capsules. Scale-up considerations are discussed for each unit operation when transferring processes from laboratory to production scale. Process validation and quality systems for the pilot plant are also summarized.
Study and improve training procedures vis a vis employee satisfactionSupa Buoy
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1. A Training Report
ON
PaharPUR 3P
Department of Printing Technology
GURU JAMBHESHWAR UNIVERSITY OF SCIENCE & TECHNOLOGY
HISAR, HARYANA
Submittedto: Submittedby:
Himanshu Ahuja
Roll No.11032006
B.Tech. (PT)
2. 2
ACKNOWLEDGEMENT
Without any hesitation I can say that the training session which I had for period of 6 weeks could
not be complete successfully without the generous assistance of number of people. I have an
obligation to acknowledge these all people who gave valuable cooperation, assistance and
advices to success my training.
I am highly thankful to Mr. Satendra Katiyar, the Deputy Manager of printing department of
PAHARPUR 3P For giving me the opportunity to complete my training in their esteemed
organization.
I am extremely grateful to workers, engineers, and unit heads of Paharpur 3P industry for sharing
their valuable knowledge with me and other trainees.
I take this opportunity to express my gratitude towards Prof. Dharmender Kumar, Chairman,
Department of Printing Technology and Mr. Anjan Kumar Baral. Incharge, Mr. Pankaj
Kumar, Advisor, Training and Placement, Department of Printing Technology for allowing me
to do my training in the PAHARPUR 3P and for their timely help.
I am indebted to the entire teaching staff especially Mr. Ambrish Panday, Lecturer, Dept. Of
Printing Technology ,Mrs. Vandana Gupta and Mr. Arohit Goyat for sharing their knowledge
and experience with me and making the training pleasurable and memorable part of my life.
The final tribute and appreciation are reserved for my family members, my colleagues and my
senior students for the help they gave me in the preparation of this document.
3. 3
PREFACE
Industrial training is the boom for the students as they expose the industry and get a chance to study
the working of most modern equipment and the methodology of doing jobs.
Forthebetter understandingofthepracticalsituationinindustry,theexperience gained fromtraining is vastlyimportant.
It is an extraordinary opportunity to experience practical industrial environment, work discipline, team work, time
management,qualitycontrollingandtoobtainaclear understandingofthe theoreticalknowledge whichwas gatheredat
the university.
I got my training in Paharpur 3P, Which is one of the most renowned industries in the field of
“Gravure” printing and Flexible Packaging.
Factory Manager: - Mr. Manoj Bisht
Deputy Manager: - Mr. Satendra Katiyar
Assistant Manager: - Mr. Raj Kumar Panday
4. 4
DECLARATION
I, Himanshu Ahuja student of B.Tech of GURU JAMBHESHWAR UNIVERSITY OF SCIENCE
AND TECHNOLOGY ,Hisar hereby declare that I have completed my Six Weeks Industrial
Training at“ Paharpur 3P “.
It is my original Training Report and the same have not been submitted earlier for any academic
purpose. The information submitted is true and original to best of my knowledge.
(Himanshu Ahuja)
5. 5
Introduction
‘What is Gravure Printing?’
Rotogravure printing or just simply gravure printing is a type of intaglio printing process which
uses a rotary printing press. It involves engraving an image onto a copper plated steel cylinder
base.
The first step is to create a cylinder with an engraved image for each color that makes up the
design. The engraving process will create on the cylinder surface the cells that will contain the
ink in order to transfer it to the substrate (film or paper). Since the amount of ink contained in the
cells corresponds to different color intensities on the substrate, the dimensions of the cells must
be carefully set: deeper cells will produce more intensive colors whereas less deep cells will
produce less intensive ones.
A rotogravure printing press has one printing unit for each color, typically CMYK or cyan,
magenta, yellow and key (printing terminology for black), but the number of units varies
depending on what colors are required to produce the final image. There are five basic
components in each color unit: an engraved cylinder (AKA “Gravure cylinder”) whose
circumference can differ according to the layout of the job; an ink fountain or reservoir; a doctor
blade; an impression roller; a dryer.
6. 6
‘How does it work?’
The ink is applied directly to the cylinder and from the cylinder it is transferred to the substrate.
While the press is in operation, the engraved cylinder is partially immersed in the ink fountain,
filling the recessed cells.
As the cylinder rotates, it draws ink out of the fountain with it. Acting as a squeegee, the doctor
blade scrapes the cylinder before it makes contact with the substrate, removing excess ink from
the non-printing (non-recessed) areas and leaving in the cells the right amount of ink required:
this tool is located quite close to the substrate so that the ink left in the cells does not have
enough time to dry.
Next, the substrate gets sandwiched between the impression roller and the gravure cylinder: this
is where the ink gets transferred from the recessed cells to the substrate. The purpose of the
impression roller is to apply force, pressing the substrate onto the gravure cylinder, ensuring
even and maximum coverage of the ink.
The capillary action of the substrate and the pressure from impression rollers force the ink out of
the cell cavity and transfer it to the substrate. Then the substrate goes through a dryer because it
must be completely dry before going through the next color unit and absorbing another coat of
ink.
Image Generation.
4 Color PROCESS Printing / CMYK
The image is separated into 4 different color values
Cyan / Magenta / Yellow / Black
Individual colors are printed as dots at varying densities Individual dots combine to form
additional unique colors
In Packaging printing, 4 color process is typically combined with line colors to accurately
represent trademarks and logos and to maintain color consistency over large areas of solid
colors
The number of final colors in a design is nearly limitless
7. 7
Characteristics of Gravure Publication Printing
The simplicity of the process helps make Gravure the fastest of the printing processes, the web
runs at the greatest speed. The stability of the press makes it possible to print very wide webs.
Gravure Printing suffers less downtime, and there is less wastage in comparison to other printing
process. The combination of speed, width, and low downtime produces very high productivity
and compensates for the relatively high cost of preparing a cylinder. The cost of preparing a
cylinder is obviously less important on long runs and better print quality. The combinations of
speed, width, & low downtime have big/ volume publication produced to look as alternate for
their processes.
Advantages:
high quality over long print runs
inline process possible
100 % seamless printing
excellent design reproduction
high quality of halftone image and gradation
excellent quality with metallic ink
combination of solvent and water-based ink
Suitable for various qualities of board / paper / foil.
9. 9
About “Paharpur 3P”
The Origin
In the late 80's and early 90's, the flexible packaging in industry was evolving and was driven
by the lubricant and tobacco industries. Paharpur 3P was the brainchild of Mahendra Swarup
(Founder Chairman of the group) who was looking for a sunrise sector and seeing the
opportunity and the growth rates (35- 40 percent annually) in the industry, decided to diversify
into flexible packaging with a start-up unit in Sahibabad Industrial Area. That is how Paharpur
3P originated in the year 1994, with a green field project having modern state of the art
technology imported from Europe. Since then Paharpur 3P has come a long way under the
visionary leadership of Gaurav Swarup, Chairman of the company.
Plant Preview
Paharpur 3P is situated on an 18 acres plot on Delhi – Uttar Pradesh border wherein 33 percent
of the area is utilized for corporate office and manufacturing / storage facilities. And the balance
area is maintained under green cover reflecting the group's penchant for environmental safety
and beauty.
Company uses natural ventilators for air circulation in plant and storage areas and makes
effective use of natural light. Rain water harvesting system has been put in place and ground
10. 10
water levels and quality of ground water are measured through PIZO meters. The water
discharged from cylinder making department is treated through effluent treatment plant and is re-
used for irrigation.
The manufacturing operations for flexible packaging in the plant includes pre-press, plating,
cylinder engraving, printing, lamination, extrusion coating, slitting, blown film plant, pouch
making, bag making and ink making.
Paharpur follows the ISO 9001: 2000-Quality Management System and the ISO 22000: 2005-
Food Safety Management System. It also complies with the requirements of Occupational Health
and Safety Management System - OHSAS: 18001.
Presence - National & International
“Paharpur 3P caters only to the organized sector of the Indian market,” says Anand. And how
does the company define the unorganized sector? “Well, products like Pan Masala, Gutkha fall in
that sector,” explains Anand. “The high ethical standards of our group restrict us from dealing in
those products,” he adds.
For Paharpur 3P, the buyers in the organized sector are major FMCG companies like Unilever,
Nestle, Cadbury, Pepsi, Britannia, Heinz, HLL, ITC, Dabur, Mother Dairy, JK, MRF, SKF,
Asian Paints, Heinz, Bayer, Tata Tea, Eveready, Parry, Britannia, Sara Lee, Novartis, Henkel,
Perfetti and others. The company is in the premier category of manufacturers of Flexible
Packaging and rated among the top five players in this field.
The company has its marketing branches in Mumbai, Delhi, Bangalore, Kolkata, Chennai and
Hyderabad.
Paharpur 3P is present in SAARC countries, Middle East, Africa and Europe. As far as imports
are concerned for the blown film plant, granules are imported from renowned suppliers like
Dow, Exxon Mobil and Ampacet.
Future Focus
The future plans of Paharpur 3P include increasing the plant capacity from the present 7,000 MT
to 12,000 MT per annum. That will also involve addition of new equipment at several stages of
production.
The company has been acquiring technologies from abroad as also equipment to meet its goal of
moving up the profitable value added chain.
11. 11
The company has another unit in Chennai that caters to the needs of customers in the southern
region like Hindustan Lever Ltd (HLL).
On the technology front, the company has tied up with Perfotec of the Netherlands to provide
competitive solutions for fresh produce.
The company is working closely with technology leader in polymers, US-based Dow Chemicals
and Toyo – a leader in food grade packaging inks.
The Recognitions
Paharpur 3P has always been recognized by its customers for its innovative ideas, product,
quality, service and new developments. The company has several awards and recognitions to its
credit like the Indiastar Awards, Asia star Awards, WordStar Awards, PFFCA Star Awards, Best
HR Practices Award and the Eco-Friendly Company Award. Today 70% of products are
manufactured for food applications where we are committed to provide safe and hygienic
packaging for the food industry.
12. 12
Various departments in Paharpur 3P
Cylinder Preparation
Printing
Lamination
Slitting
Pouch Making
Blown Film
Quality control Department
13. 13
CylinderPreparation
All gravure cylinders are produced on site using a dedicated fully automatic engraving and
chroming line, which features two Max Daetwyler Gravostar 850 engraving heads.
The GS 850 packaging engraver is a value-oriented unit, which includes a layout workstation, an
engraver driver station and an engraver. It has a high frequency engraving head capable of
engraving screens at up to 175 l/cm. As well as features such as telescopic enclosures, automatic
lifting and lowering of the engraving head to prevent damage to the engraving head diamonds
and on-board diagnostics the GS 850 also offers Daetwyler's Vista cell sensing system.
The Vista system is used for head calibration and cell correction. Cells are measured on the fly,
cell widths compared with the required widths and corrections made until the engraved cell is the
right size. The system has a video monitor so that the user can see what the Vista camera sees
and an optional printer that will output hard copy prints of the final cells for quality control
purposes.
Fully integrated, in-house, engraving facility to utilizing rotogravure cylinders .This gives an
edge in replicating the designer’s idea flawlessly on the substrate, consistently, timely while
ensuring utmost confidentiality.
Machine use a diamond stylus to cut cells. Each cell creates one printing dot later in the process.
They are fully computer-controlled and the whole process of cylinder-making is fully automated.
Today Paharpur 3P have the capacity to engrave in excess of 9000 cylinder per annum.
Web-fed gravure printing requires a gapless gravure cylinder, onto which the image is applied
directly, by means of etching or engraving. For this, the cylinder must be prepared in a costly
14. 14
mechanical and galvanic process. In its basic design, the gravure cylinder consists of a thick-
walled steel tube with flanged steel journals. To increase the stiffness of this hollow cylinder,
some of the cylinder journals are drawn inwards and are supported inside the tube on additional
steel discs. All of these joints are welded during the manufacture of the gravure cylinder so that a
solid roller body is created, which still has to be balanced so that there are no vibrations when
running at high speed (typically up to 15 m/s) in the printing press.
The cylinder receives a base copper layer on its surface, which, among other things, serves to
achieve the specified diameter of the finished gravure cylinder.
For the application of another copper layer, which varies from print job to print job, there are
several methods that are described in the following sections (note: the top copper layer is twice
as hard (Vickers hardness approximately HV 200) as the base copper, so that this copper layer
has good cutting properties as regards the electromechanical engraving process):
The base copper layer is coated with an engravable copper layer (approximately 80 μm) in an
electroplating process as shown in the figure above. This thin layer only allows a one-time
engraving. The advantage of the thin layer technique is that all the gravure cylinders of one type
have the same diameter dimensions and less mechanical surface treatment is required after the
electroplating process than with thick layer processes (see below). The removal of the en-
15. 15
graving (after dechroming) is achieved by dressing or milling the copper. After this, a new
copper layer is applied. (In the special process known as copper recycling, the copper layer is
removed in an electroplating reversal process. In this process, an additional nickel barrier layer
of approximately 25 μm between the base copper and engraving copper is necessary.) The thin
layer technique is used in some 35% of cases, whereby the copper recycling method only
accounts for some 5%.
The process sequence for preparing an engraving cylinder is generally as follows:
• removing the used gravure cylinder from the gravure printing press;
• washing the gravure cylinder to remove residual ink;
• removing the chrome layer;
• removing the copper image-carrying layer, either chemically, by means of electroplating, or
mechanically;
• preparing the copper plating process (degreasing and deoxidizing, applying the barrier layer if
the Ballard skin method was employed);
• electroplating;
• surface finishing with a high-speed rotary diamond milling head and/or with a burnishing stone
or a polishing band;
• Etching or engraving (producing the image on the gravure cylinder);
• test printing (proof print);
• correcting the cylinder, minus or plus (i.e., reducing or increasing the volume of cells);
• preparing the chrome-plating process (degreasing and deoxidizing, preheating, and – if
necessary – sometimes polishing);
• Chrome-plating;
• Surface-finishing with a fine burnishing stone or abrasive paper;
• storing the finished cylinder or installing it directly in the gravure printing press.
Electromechanical Engraving (As Done In Paharpur 3P)
16. 16
The operations involved in electromechanical engraving are significantly shorter compared to the
etching process. Nowadays, they are normally controlled directly with the data recorded in
prepress. In this way the mounting of a scanning original on a separate scanning drum that runs
synchronously with the engraving machine is also no longer needed. Hence, the engraving
machine only consists of a lathe-like device, into which the prepared gravure cylinder is
mounted. The engraving procedure is similar to a rotating cutting process, but the cut is
intermittent (stylus frequency).
The gravure cylinder rotates during engraving at a constant surface speed (depending on the
screen at approximately 1 m/s).At the same time the diamond stylus of the engraving head moves
at a high frequency (4–8 kHz). The diamond penetrates the copper at different depths and
produces the cell.
The cells are equidistant from each other in the circumferential direction (direction of engraving)
due to the continuous circumferential velocity and the engraving frequency. Engraving of
neighboring tracks is semi-staggered. The lateral repeat length corresponds to the forward
motion of the engraving head per cylinder revolution in the shaft direction of the gravure
cylinder.
Depending on the width of the web to be printed, up to sixteen engraving heads (typically eight)
with styli are used for publication gravure printing. The burrs on the copper surface are usually
removed by a scraper which is fixed to the engraving head during the engraving process. The
cylinder must therefore only be lightly polished before it is used for a test print in a proofing
press, corrected manually in accordance with this, and then finally chrome-plated.
17. 17
Printing Department
Printing lines are equipped with the most modern facilities such as auto-registration controllers,
viscosity controllers and are capable of in-line cold seal specialty coatings. Department
Comprises of two High speed Machines.
Rotogravure Press FR300 Shaanxi Beiren Printing
Machinery Co., Ltd.
Main Features
1. Double-working position disc-type Unwinder/Rewinder at high stable performance and the
machine has the humanism design; new-type safe chuck assures the operators safety; unwinding
cutter can complete up cutting or down cutting.
2. Indeed is at precise double-tension control.
3. Low-damping chill roller with good cooling effect prevents the web from being damaged at
18. 18
high- speed machine performance.
4. Centralized lubricant system at dosing greasing makes the guide roller high-speed and flexible
performance.
5. Direct pressing mechanism makes the web performance without distortion, which can improve
register accuracy and reduce the waste.
6. New-type environment protection and energy-saving drying system controls the residual
impregnate efficiently.
7. Movable ink tray carriage shortens the auxiliary time and improves the productivity.
8. Straight-line cutter makes not only obverse/reverse cutting but also clearance-rewinding, and
the rewinding reel is very tidy.
9. MMI touch screen and vector varispeed control system have the good performances
Technical Parameters
Max web width 520-1220 ㎜
Print speed 250m/min、300m/min
Register accuracy ≤±0.10 ㎜
Unwind/rewind dia. Ф1000 ㎜
Plate cylinder diameter Ф420 ㎜-Ф940 ㎜
Drying method oil heating
19. 19
ROTOMEC ROTOPAK 3000 -3R
Synthetic roller:-
Synthetic Roller used for impression has hardness of about 65 to 75 shore.
Number of colors 9
Web width (mm) 520-1220mm
Print repeat range (mm) 400-920
Drying specifications 1-8 printing units double drying; 2 to 8 Single Drying .
Drying heat source Oil
Unwinder type Auto splicing
Max reel diameter Unwinder (mm) 1000
Rewinder type Auto splicing
Max reel diameter reminder (mm) 1000
Video camera Web video “Super Handy Scan 4000″ from BST (2011)
Registercontrol Quadtech
Viscosity control Eltromat
Corona treatment Vetaphone treatment CP3/10kw
20. 20
Dent can also due to synthetic roller on the poly as in dent in the rubber or synthetic will come on
different area on the poly but not side movement of that only up and down movement. As dent on
gravure cylinder will occur at that same place and same position.
• Defect can also occur due to oversized rubber roller in which ink from outside of gravure cylinder
comes on that impression or rubber roller and then ink from that roller comes on the poly film which
we are printing.
• So always rubber roller of size equal to poly width and lesser than gravure cylinder length is used.
• Misprint can also occur due imbalance of rubber roller as if a layer of ink keep on getting on that and
in the end the thickness of that ink layer become more than the thickness of poly film we are printing
so due to which rubber roller get imbalanced so at one end that roller is raised at one end due to
which at some area we get print and at some not or lighten.
• Diameter or circumference and length of the gravure cylinder are variable as according to the size of
image along length or width we can say.
• Here in Paharpur 3P gravure cylinder used are of same in length and circum but of different circum.
• Both cylinder and blanket cylinder moves at equal speed.
Here mainly electronic engraved cylinder with chromium plating is used.
• Doctor blade :-
• In this, it is made up of steel and is generally adjusted at an angle of 55 degree +- 5degree.
• Thickness of the doctor blade is about 0.15mm.
• Width of the doctor blade is about 45mm.
• The adjustment of doctor blade is done by keeping the blade just sharp edge above supporter and
pressing from one to other so that air filled between blade and supporter can be removed and then by
holding both blade and supporter we tight down it.
• Lamella: - It is the sharper edge of blade and its dimension is like this1.4/0.070mm here 1.4mm is
length of that sharp edge and 0.070mm is thickness of that sharper edge.
• DRYER: - This is the kind of system used for drying any applied chemical to polyfilm.
21. 21
Dryers’ temperature for printed matter is kept approximately 37 degree Celsius.
For adhesive drying it is kept around74 to 76 degree Celsius.
• Pre-make ready operations :-
• Cleaning of the cylinder and blanket cylinder.
• Centering of the gravure cylinder.
• Web feeding and also tension control is done.
• Doctor blade adjustment is also done.
• Assembly plate is also adjusted according to the color gravure cylinder is in which unit placed.
22. 22
Lamination Department
At Paharpur 3P -lamination facilities include:
Solvent based lamination
Solvent less lamination
Extrusion lamination
Water Based Lamination
NORD MECCANICA - Super Simplex SL
Technical Specifications Other Specifications
Laminating materials
BOPP 12-80 my
PP CAST 20-150 my
ALU 7-40 my
LDPE-LLDPE 20-200 my
Coex 25-200 my
NYLON CAST 20-80 my
Petp 8-30 my
OPA 12-18 my
PAPER 40-150 g/m2
Type of laminator: Solventless
Working width: 1315 mm
Unwinder diameter: 1000 mm
Rewinder diameter: 1000 mm
Mechanical speed: 400 m/min
23. 23
LAMINATOR NORDMECANICA-SUPER-COMBI
2000
Manufacturer NORDMECCANICA
Model SUPER COMBI 2000
Year 2001
Application Duplex lamination
Type of
lamination/coating
COMBI – SOLVENTLESS AND SOLVENT /WATER BASED
Working width (mm) 1300
Speed 300 m/min
First Unwinder type Single shaft less
Max diameter reel
Unwinder
1000
Secondary Unwinder
type
Single shaft less
Max diameter reel
Unwinder
1000
Rewinder type Single shaft less
Max diameter reel 1000
24. 24
Rewinder
Coating unit
with interchangeable trolley; available 2 trolleys 1- Rotogravure trolley
for solvent and water based glue 2- Solvent less trolley
Drying 6M long drying tunnel; 2 independent hoods; 4 fans
pumping mixing unit 2 components solvent less
Coating rollers Approx. 15 rubber rolls
Additional information 3 temperature regulation units; cold seal unit. In running conditions
Laminated materials /secondary) Coatedmaterials (primary):
BOPP 12–80µm;
PETP 10–30µm;
LDPE-LLDPE 60–20µm (solvent based);
LDPE, LLDPE 30–200µm (solvent less);
OPA 12–10µm;
NYLON CAST 50–80µm (solvent based);
NYLON CAST 30–80µm (solvent less);
ALU 9–40µm (solvent based);
ALU 12–40µm (solvent less);
PP CAST 60–150µm;
CALANDERED PAPER 40–300g/m2
(solvent less only).
BOPP 12–80µm;
PP CAST 20–150µm;
ALU 7–40µm;
LDPE, LLDPE 20–200µm;
DIFFERENT COEXTRUDED
MATERIALS 25–200µm;
NYLON CAST 20–80µm;
PETP 8–30µm;
OPA 12–18µm;
CALANDERED PAPER 40–300g/m2.
25. 25
Tandem Co-Extrusion Lamination coating Machine
Place of Origin: Guangdong, China (Mainland)
Brand Name: Huilong
Model Number: EXC
Voltage: 220v, 380v, 415v
Power (W): 220-300kw
Dimension (L*W*H): 23m*12m*5m
Work Chart-
1. Unwind
2. Corona Treatment
3. Water Based Adhesive
4. 16micron Poly. (In Melted Form) + 10 Micron Matt applied via different rollers with applied
Heat and Pressure.
5. Rewinding.
26. 26
Specifications ofMachine
Extrusion Lamination Machine
1.EXC1350/ (90+90+90)-F-4 tandem co-extrusion
2. Thickness auto-control
3.Rewind auto-splicing
Technical parameter: Product structure: laminating on single side 5 layers for one time: main
materials/extrusion layer A/sandwich layer materials/co-extrusion layers B-C.
Extruder: 3 sets HL-90 dynamic extruder, two of them formed into one HL-90S co-extrusion
machine which use special-made extrusion laminating screw and feed block. Motor power is
37kw.
Extrusion: maximum 200kg/h for single machine.
Coating thickness: single layer T-die: 12-50μm; co-extrusion T-die: 12-60μm. (Single layer
thickness is 6-50μm.)
Production speed: maximum 150m/min.
Specification: 1200mm,1350mm,1450mm,1700mm.
Effective width: maximum 1100mm,1250mm,1350mm,1600mm.
Base materials: BOPP, BOPET, BOPA, Paper (50-200g/).
Sandwich materials: CPE, CPP, MCPP, MPET, Al-foil, Paper.
Used resins: coating resin such as LDPE, LLDPE, PP, EVA, EAA, EMA, EMAA etc.
Unwinder diameter: maximum 800mm or 1000mm.
Rewinder diameter: maximum 800mm or 1000mm.
Tension control: automatic tension control, maximum tension is 40kg.
Electrical control mode: operated by MMI, extrusion thickness automatically controlled by
computer, the whole machine is in linkage control state.
Workshop requirement: Length 23m×Width 12m×Height 5m.
27. 27
Slitting Department
SlittingDepartmentconsistsof 6High SpeedHi-Techmachines,whichare –
NUZEN S-737
Mechanical Speed 450 Meter/Min**
Max. Web width 1300 mm & up to 1600 mm*
Max. Parent Reel Dia 1100 mm
Parent Core I.D. 3” (76mm) & 6”(152mm) Combi chucks
Max. Rewind Reel Dia 600 mm & Up to 800 mm*
Max. Rewind Reel Weight 225 Kg.(Shaft)
Min. Slit Width 50 mm
Rewind Core I.D. 3”(76mm) & 6”(152mm)*
Core Material Cardboard, Paper & PVC
Max. Trim Width 5mm to 20 mm
Web Guider Axial Motion +/- 50 mm / (+/- 100 mm)*
Type of Slitting:
Razor Cutter (Cut in Air & Cut in Groove)*
Shear Cut (Rotary Knives)*
28. 28
MACHINES FEATURES:
Unwind Section:
Shaft less unwind section
Combi chucks 3” (76mm) / 6” (152mm)
Ground Floor Pick up
Auto Self-centering
Automatic programmable tension control
Ultrasonic diameter sensor (for automatic diameter stop)
Digital Web Guiding System (Line/Edge/Contrast/Broken Lines)
Alignment roller
Guide/Idler rollers
Driven Bow (Banana) roller
Driven Unwinder*
Safety curtains at unwind*
Tension Isolation Section:
Servo Driven Pull/Draw roller (for accurate Length Stop) (Length Counter)
‘S-Wrap’ tension isolator
Slitting Section:
Cantilevered designed shaft for quick and easy changeover
Razor Cutter (Cut in Air & Cut in Groove), Shear Cut (rotary cutter)*
Safety Guards for knives
Trimming removal/suction blower with Venturi
Rewind Section:
Differential ball shaft technology
Automatic programmable tension control
Pneumatically controlled adjustable lay on (Linear Motion Technology)
Pneumatically controlled contact arms
Lay on Web clamp bar*
Programmable taper tension control
Servo Drive (for accurate Length Stop) (Length Counter)
Ultrasonic diameter sensor (for Automatic Diameter Stop)
Reel Ejector/Reel Removing System/Reel Thruster*
Pneumatic Swiveling type Take off arms (Reel Unloading Stand)
Safety Scanners at rewind*
29. 29
Star Slit
Technical Data
Star Slit Conslit
General:
Materials to be processed:
Plastic films made from PE, PP, PA, PET, PVC, Paper, and Laminates,
Working width:
57, 69" 40, 57, 69, 80"
Machine speed:
2,000 fpm 2,600 fpm
Drive side:
on the right side, seen in material running direction
Unwinder:
30. 30
Parent roll diameter:
40" 40" or 51"
Options:
hydraulic roll lifting in device
Slitting Section:
Slitting width:
starting from 2" (50 mm) (optional 1" (25 mm))
Slitting system:
scissor cut, razor blade cut
Rewind:
Finished roll diameter:
Max. 24" Max. 32"
Finished roll cores:
3" and 6" I.D. (with corresponding accessories)
Lay on rolls:
full width contact rolls
Winding tension:
Max. 650 N Max. 650 N
Options (depending on model):
Eccentric contact roll
Air expanding shafts
Auto push off for finished rolls
Laser core guides
Motorized roll tree
Close loop feedback
Auto or manual aid for shear knife positioning
31. 31
Titan ER610 compact slitter
It is available in 2 web widths – 1350 & 1650 mm (53 & 65 INS) – with a maximum rewind
diameter of 610 mm (24”). It also features a 10” touch screen control system and an integral
edge-trim extraction system. The pneumatically controlled braking system provides accurate
web tension control and a digital edge-guide system controls lateral movement of the unwind
reel to +/- 50 mm (2”). Slitting systems available include shear knives, rotary razor (burst) or
razor slitting in air or groove. Optional features include a static electricity control system, laser
(line) core positioning, EU safety guarding, and laser safety scanners and unwind roll loading
trolley.
The Titan ER610 slitter will process a wide range of flexible materials including plain, printed,
coated or metalized film from 20 to 200 micron, a wide range of laminates and paper from 30 to
200 Gsm
32. 32
DCM - Panthere 4
PANTHERE is a slitter-Rewinder well known to many converters all over the world. It is highly
appreciated for its rewinding capacity of 800 mm diameters, its easy adjustment and the quality
of its production. This is due to accurate tension control and cutting precision.
EQUIPMENT :
- Built-in or separate Unwinder
- Unwinder with or without shaft
- Razor and rotary cutter cutting station
- Rewinding on air shafts or friction shafts
- Digital Pilot touch screen control
- Appropriate unloading system
CHARACTERISTICS :
- Width: 800 to 1600 mm
- Diameter at Unwinder: 1000 or 1300 mm
- Diameter at reminders: 2 x 800 mm
- Minimum cut: 20 mm
- Production speed: 600 m/min
33. 33
PouchingDepartment
Pouching Department consists of 12 Pouch making machines of GALAXY PACKTECH IND.
LTD. Of which 9 are “High Speed Bottom Fold & 3 Side SealPouch Making Machine”
and 3 are “Automatic High Speed standup & zipper Pouch Making Machine (GS-
20)”. This department also includes two “Automatic Pouch SpoutInserter”.
High Speed Bottom Fold & 3 Side Seal Pouch Making
Machine
This model can make double up folded & three side seal pouch.
This model can make different length pouch on same time.
In built Cooling Technology provides leak proof product at high operating speed.
Pouch length variation minimized to zero by servo driven Laminate Pulling
Mechanism.
34. 34
TechnicalSpecification
Pouch Size
Three Side Seal
(W x L in mm)
Folded Side Seal
Pouch
(W x L in mm)
Min. 75 x 75 Min. 75 x 75
Max. 300 x
300
Max. 300 x 300
Linear Speed * 22 Mtr./Min.
Roll Diameter
Main Unwind
(mm)
Min. 125
Max. 600
Secondary Unwind
(mm)
Min. 125
Max. 600
Roll Width
Main Unwind
(mm)
Max. 600
Secondary Unwind
(mm)
Max. 600
Elect. Power
Consumption**
Max 10 KW. 3 ph, 415 V (A.C.), 50
Hz.
Prime Movers
Servo Motor : 11 N-M / 2000 RPM
Main Motor 3 Hp / 1440 RPM, 3 Ph.
Air
Consumption***
8 CFM, 6 Bar Pressure (Water
Contain less than 0.01%)
Water
Consumption
10-12 Ltr. / min., 8-12°C at 2 Bar
Pressure.
Operational speed depends upon Laminate Thickness, Composition and Pouch Size.
Electrical Power Consumption depends upon application of machine.
Air Consumption depends upon optional attachments.
35. 35
Automatic High Speed standup & zipper Pouch
Making Machine (GS-20) ( Waterline)
GS Series Advantage
The technology Ensures Excellent Pouch Seam even with High micron laminates.
In built Water Cooling Technology provides leak proof product at high operating
speed.
Stand up pouches from same laminate roll provides competitive advantage to end
user.
Pouch length variation minimized to Zero by servo driven Laminate Pulling
Mechanism.
Technical Specification
Pouch
Size
Stand Up (W x L x G in
mm)
Three Side Seal (W x L in
MM)
Zip Pouch
(W x L in MM)
1
Line
Min
60 x 150 x
30
1 Line
Min 150 x 160
1
Line
Min 60 x
150
Max 500 x 500
Max 250 x
500
Max
250 x 500 x
100
2 Line
Min 75 x 60
2
Line
Min 60 x
75
Max 250 x 500
Max 250 x
250
2
Line
Min 60 x 70 x 30 3 Line Min 50 x 60
3
Line
Min 60 x
50
36. 36
Max 160x 500
Max 250 x
160
Max
250 x 150 x
100
4 Line
Min 50 x 60
4
Line
Min 60 x
50
Max 125 x 500
Max 250 x
125
Linear
Speed *
Upto 20 Mtr. / Min. Upto 22 Mtr. / Min.
Upto 20 Mtr. /
Min.
Roll
Width
Main Unwind (mm) Bottom Unwind
(mm)
Min. 300 Min. 60
Max. 1000 Max. 200
Roll Diameter
Main Unwind (mm) Bottom
Unwind (mm)
Max. 600 Max.
500
Optional
Attachment
Front & Back Eye mark Servo
Synchronization
Both Side Gusset Synchronization
Same Roll Stand Up Pouch Former &
Gusset Assembly
D- Punch / Star Punch / Butterfly Punch
etc.
Secondary Film Roll unwinding Unit
(1000mm)
Elect. Power
Consumption
Max. 35 KW, 3 ph, 415 (A.C.), 50 Hz
Prime Power
Servo motor: 26 N-M / 2000- RPM
Main motor 5 Hp / 1440 RPM, 3 Ph.
Unwind Motor (4 Nos.) 1 HP, 1440
RPM 220V AC , each 3 Ph.
Air
Consumption
8 CFM, 6 Bar Pressure (Water Contain
less than 0.01 %)
Water
Consumption
10 – 15 Ltr. / Min. 8-12 C at 2 Bar
Pressure.
Operational Speed depends upon Laminate Thickness, Composition and Pouch Size
Electrical Power Consumption depends upon application of machine
Air Consumption depends upon optional attachments
37. 37
Name: NCA1620-30 Automatic Pouch Spout Inserter
Model NCA1620-30
Pouch size L×W(120-320)×(100-250)mm MAX: 300×250mm 320×200mm
Cutting angle 17°-45°
Spout type Short spout
Capacity 30-35pieces/min
Power AC 380V, 50HZ, 3P, 4.0KW
Compressed air 0.5Mpa 250NL/min
Cooling water 6L/min
Dimension L×W×H 35000×1800×1950mm
Weight 1800Kg
Main Technique Features:
● Angle of the spout-welding can be adjusted from 17°to 45°, the angle-cutting and the spout-
welding can be done at the same time.
● Max size of pouch can be 2200ml. (Special order is needed for the over size)
● Clear display, PLC control, easy operation.
● Double servo pouch supply guarantees the accurate position.
● Spout preheat and reduce the hot sealing temperature.
● Multi-hot sealing, cold sealing, ensure the sealing strength.
● Trouble alarm display.
38. 38
QUALITY CONTROL DEPARTMENT
• TENSILE STRENGTH MACHINE - There are three types of tests are done that are:-
Sealstrength
First of all in this strip of poly or substrate of about 1.5cmor 15mm in width we cut down.
After this we fold that strip along the length wise.
Than we seal folded mouth or end of that strip with pressure heating machine and we get
sealed strip.
Now we put that strip with open mouth or end upper end of it in upper mouth and then
another end in the down holding mouth.
In the end we start the machine in which downward mouth will towards down till that we
seal breaks we note down the reading.
In this way we get seal strength and we can change according to that.
OperatingRange- NS40 to IT 500.
Pneumatic operated cylinders with
individualsolenoidvalve.
Specially designed heaters & reputed
electrical system.
Machine working capacity- approx. 300
batteriesper8 hourshift.
Electricity Required- 7 KW, 3 Phases, and
415 V- AC,@ 50 Hz.
Machine Weight- app. 700 kg., Size- 5’L X 6’
b X 7’ h
AirRequired- 3-4c.f.m.@ 7kg/cm2
Operating temperature range is 350o
c to
38Oo
c
39. 39
Tensile strength or Elongation strength:-
We have to measure the elongation or tensile strength along machine direction as well as cross
direction
In this type we measure the elongation strength or stretch till poly or substrate breaks.
First of all we take a strip of width 2.5 cm or 25 mm and 10 cm or 100 mm in length
After that fixing it into both ends of the machine and then stretched until it breaks and in
this we note down the distance and load it can acquire or tolerate
The unit of both the test is calculated in manpower means force/area.
We also measure the adhesive strength of the poly films we use to adhere with each
other.
This is done by splitting both layers of poly films.
Drop test or Dart impart test - it is also known as bursting strength.
In this test we measure out that how much pressure or load it can hold if any substance poly
pouch gets dropped from certain height.
First of all the substrate is tightened on hollow cylinder with some air pressure and then after
tightening again pressure of about 490mm Hg is applied to hold it tightly.
Than pendulum of some weight is set at the height of 66 cm and dropped from there.
We check it out whether the poly gets burst or not.
40. 40
GSM and micron measuring machine
"LINUX" GSM TESTER - Electronic Model
The equipment is designed to measure/determine GSM of Paper, paperboard, fabric, PVC,
plastic and other materials. It measures 5 different sample sizes viz., 5x5cm, 10x10cm,
10x20cm, 20x20cm and 25x25cm. It displays Gsm of samples cut selected to size on a digital
indicator. Has printer port facility for printing and data transfer. The equipment comprises of an
electronic scale of 125 Gsm capacities and least count of 0.01 gm and templates. Two
templates are supplied with the equipment and other sizes are available on request.
There are two types of polyfilm are measured:-
• Printed
• Non printed
• Printed poly film:-
First of all we cut out the sample
• For printed poly films, first of all we measure the GSM of the printed substrate or poly film
sample.
• Then we split out coated film and remove the ink from printed substrate or poly film with ethyl
acetate or toluene properly.
41. 41
• After that we measure the GSM of both the film and then we find out the difference of both the
poly films (printed and cleaned).
• In the end we can measure out that GSM of the ink layer on the sample.
We can also measure the adhesive layer applied between poly films which are laminated by same
way as for printed we does.
Non printed polyfilm:-
• We cut out the poly film or substrate of size about 10*20cm and then we measure out the GSM of
that piece.
• Than we divide that value by 2.
• After that we multiply it with 100.
• In this way we measure out the GSM of the substrate and we can know uniformity of poly films.
WE CAN ALSO MEASURE MICRON OR THICKNESS OF THE POLYFILM BY DIVIDING
THE GSM OF THE POLYFILM BY DENSITY OF THAT POLYFIM ONLY.
MICRON = GSM / DENSITY
• For poly tube type poly film we measure just GSM simply along width 20 cm.
• For different poly films we measure GSM separately along the width to cover the whole poly.
• GSM unit is in gm
• 38 to 42 dyne charge is given on the polyfilm through corona discharge method.
Friction testermachine:-
• In this we measure both static and dynamic friction of poly films.
• In this we just keep the wide strip of poly with treated side up and then we keep some solid slab on
it.
• Than that solid slab is moved on that strip.
42. 42
• Reading which comes on that meter we note it down.
• The purpose of the friction testing is check whether more or less force to be applied to move the poly
film to be printed for e.g. if there is more friction in the poly then it will not move to required or vary
speed so in this way it will not properly printed or laminated or slitted or if coefficient of friction is
less than required it will not be controlled over the rollers as it will slide more than required.
• Treated and non treated both side are checked as treated side is checked so that when we keep each
poly on each other should not slip for e.g. lamination needed two layers on each other and to cut it
properly so that it moves under rollers properly, non treated side is checked for filling material in it.
• Here only we take dynamic friction of more concerned as in printing movable is there more
important rather than static friction we don’t take so much.
• Its unit is in Newton/meter *meter.
Opacity testing machine:-
This is the machine used for measuring the amount of light is getting transmitted through poly film.
• In this, we take a strip of poly and put in frame and then light is passed, then we note the percentage
of opacity.
• In this it is measured in percentage.
Treatment test:-
In this test, we check out which is the treated side, meaning on which side of poly film we had
increased the surface energy or charge.
• We take strip of adhesive tape and adhere to both the side of poly and pluck off then.
• And on which side it makes less noise than it is treated side.
43. 43
Puncture Resistance Tester
The Puncture Resistance Tester is used for determining the puncture resistance of corrugated
board by measuring the energy required to puncture it. Interchangeable weights supplied to cover
four energy ranges i.e. in new meter 0-5, 0-10, 0-20 & 0-36.
Applications
Testingequipment
Paperindustry
Packagingindustries.
Electronic Box Compression Tester
It has single push button operation which activates an automatic test cycle, machine starts in fast
speed, detects the box, changes to standard test speed & performs compression test. Overload
protection. Acceptable and non acceptable limit set.
44. 44
Applications
Testingequipment
Paperindustry
Packagingindustries
Universal Oven
forced air circulation by quiet air
turbine, adjustable in 10 % steps
adjustment of pre-heated fresh air
admixture by air flap control in 10 %
steps
vent connection with restrictor flap
adaptive multifunctional digital PID-
microprocessor controller with high-
definition TFT-color display
self-diagnostics for fault analysis
1 Pt100 sensor DIN class A in 4-
wire-circuit
45. 45
RAW MATERIALS USED EXTENSIVELY IN
PAHARPUR 3P
INKS
As we knowthatany packagingthat isnot hard and bendsslightlywhile still holdingashape.Itcan be a
bag, envelope orpouchthatwhenfilledchangesshape.Liquidinksusedforprintingof these flexible
packageswithGravure Process,CalledFlexiblePackagingLiquidInks.
High quality inks of various prestigious companies like ”Sakata” and “DIC” are used In Paharpur 3P
LightFastness
Rub
Ink
Properties
Rub
Scuff
H2O2
Heat
/Freeze
46. 46
Types of Inks, Their Uses and Properties.
Vinyl Based
Benefits:
High color strength
Good bond strengths
Almost instant adhesion
Low solvent retention
Reliable, high performance results
Free from migrating plasticizer resins.
Use:- High Mileage Jobs.
PU Based
Benefits:
High color strength
Low solvent retention
Prints on wide range of plastic films
Reliable, high performance results
Does not contain pigments based on heavy metals.
Use:- Used in All Types Of Jobs.
Acrylic Based
Acrylic Inks are optimally pigmented and low viscosity inks, for Gravure Printing, high quality
reverse printing applications – directed at Shrink PVC film applications.
Special Features:
Optimal strength
47. 47
High HR properties
Good Printing Stability
Good Blocking resistance
Excellent adhesion on PVC films
Good scuff resistance & slip properties
Polyamide Based
Inks are highly pigmented inks, for high quality Surface printing
Special Features:
Good Printing Stability
High gloss
Good Blocking resistance
Excellent adhesion on various filmic substrates
Good scuff resistance & slip properties
Use:- Used for High Quality Surface Printing
NC based
TRUMET FOIL Inks are for Gravure Printing
Special Features:
Excellent adhesion
Excellent HR
Low odor
Good scuff resistance & slip properties
Use:- Mostly used in Food Packaging
48. 48
Substrates
• Polyester (pet) or polyethylene terephthalate:-
BoPET (Biaxially-oriented polyethylene terephthalate), known in the industry as polyester (PET) is a versatile
film used in many flexible packaging applications including lamination. Available in either corona or
chemically treated options for print and conversion. Melior Film Converters also offer a heat sealable PET
film for flow wrap or lidding film applications.
The properties that make PET film ideal for packaging applications include:
High strength for high speed processes, higher tensions, and higher temperatures
Chemical surface treatment during manufacturing or post-manufacturing to enhance
characteristics, such as barrier, adhesion, printability, metal adhesion, and release
High clarity Strength and resistance to tear
Dimensional stability over a very wide range of temperatures and humidity
Resistance to attack by moisture and most common solvents
Excellent barrier to both oxygen and water vapor to extend shelf- life
It is a condensation polymer
Its density is about 1.40.
Its thickness is from 12micron to 15 micron.
Its temperature after printing for drying is 60degree to 70degree.
Only reverse printing can be done on the polyester.
Types of Polyester used in Paharpur and their Applications.
Type Of PET Application
Corona Treated Normal Bond Jobs
Chemically Coated High Bond
Acrylic Oil Jobs
Alox High Stanlization Jobs
Max Barrear High Retort ( Stanlization Jobs )
49. 49
Biaxially oriented polypropylene (BOPP)
When polypropylene film is extruded and stretched in both the machine direction and across
machine direction it is called biaxially oriented polypropylene. Biaxial orientation increases
strength and clarity.[13] BOPP is widely used as a packaging material for packaging products
such as snack foods, fresh produce and confectionery. It is easy to coat, print and laminate to
give the required appearance and properties for use as a packaging material. This process is
normally called converting. It is normally produced in large rolls which are slit on slitting
machines into smaller rolls for use on packaging machines.
Mostly used in Packaging of Biscuits, Snacks and chips.
White BOPP
For food and confectionery packaging
Suitable for single ply or lamination applications
Suitable for VFFS and HFFS packaging applications
Both sides heat sealable
One side (external) corona treated for conversion
Excellent ink adhesion for flexographic and rotogravure process
High whiteness and gloss
Used in Product Labels.
BON Biaxially Oriented Nylon
Biaxially Oriented Nylon film, also known as BOPA film, is made of polyamide resin, which can be used
for a wide range of applications especially where high barrier requirements to gas,fat and transmission of
aroma are necessary. High resistance to impact punctures and pin holing.
Mostly used in OIL jobs like Sundrop due to Puncture Resistance.
50. 50
Polyethylene
Polyethylene is the most produced plastic in the world, with which everyone daily comes into contact.
Polyethylene can be processed into soft and flexible as well as into tough, hard and strong products. It can be
found in articles of all kind of dimensions, from the simplest to the most complex shapes. It is used in
everyday appliances, packaging, pipes and toys.
Three main types
By making polyethylene more or less "dense” in the factory, there is a suitable type of material
available for every application. In practice one of the following types is used in 90% of the
applications.
LDPE: "low density” polyethylene
the oldest type. A soft, tough and flexible polyethylene type, used for strong, flexible consumer
items, like screw caps and lids. For a long time already, it is also used as insulation material. At
present the most popular application is foil, from which carrier bags, packaging material and
agricultural plastic are made. During the high water levels in Holland in the last years, the tough
strong LDPE foil served as an improvised reinforcement for the dikes.
HDPE: "high density” polyethylene
this is the sturdiest and most inflexible type. Its sturdy and somewhat tough character can be
used for a large range of applications. For example the well-known gft-container and a number
of everyday domestic products like bottles, clothes pegs and the handle of washing-up brush.
Although HDPE is quite heavy, it can also be used for paper-thin foil that is extremely light and
feels crispy. All of us use this type of foil daily; examples are sandwich bags, pedal bin bags or
packaging for vegetables, fruit or meats.
LLDPE: a mixture of both previous-mentioned types
with this polyethylene one can go into every direction. It has some features from both of the
previous-mentioned types. Both flexible and sturdy products are made from it. LLDPE is
generally used in mixtures with one of the previously mentioned materials. Amongst others, even
thinner foils can be produced. It is also used for multi-layer packaging. LLDPE is extremely
tough and inflexible. These features can be used for the production of larger items, like covers,
storage bins and some types of containers.
51. 51
Solvents Used
Ethyl acetate
Its density is 0.89.
It is used as solvent to maintain the viscosity of the ink.
It is also used to clean the printed ink from poly in quality dept. to check the GSM of printed
poly.
It is used in reverse printing.
Toluene
density is about 0.87.
It is used to maintain viscosity.
It is used for surface printing.
Methyl Isobutyl Ketone (MIBK)
Physical Properties
Molecular weight 100.16
Boiling point 117.4°C
Vapor pressure 16 Torr at 20°C
Freezing point -84°C
Isopropyl Alcohol (IPA)
Molecular weight 60.09
Boiling point 82.26°C
Vapor pressure 32.4 Torr at 20°C