Slides on ink dampening solutions in bal 2
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The document discusses how test forms from Fogra and Heidelberg can help printing presses achieve perfect print results by highlighting typical problems and their causes. It describes how the test forms can be used to closely regulate ink and dampening solution balance. The test forms also reveal other issues in materials and needed maintenance. Common problems shown include dirt, improper roller alignment, and ghosting from dampening solution additives. The test forms provide a suitable aid for correctly setting the printing press and achieving a stable ink and dampening solution balance throughout production. Printing shops can obtain a test form through a service visit from a Fogra or Heidelberg representative.
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Regular maintenance
The importance of regular operator maintenance cannot be overstated. All Heidelberg presses come with comprehensive operator maintenance manuals, and late model presses have maintenance information, spare parts lists & schedules at the touch of a button in the CP2000 press centre.
Slides on ink dampening solutions in bal 2
The document discusses test forms from Fogra and Heidelberg that can help printing presses identify problems and ensure ink and dampening solutions are properly balanced. The test forms highlight common issues like dirt, excessive ink, roller alignment problems, and damaged dampening rollers. They also reveal ghosts from improper dampening solution settings. Using the test forms, representatives can verify dampening control and balance of ink and dampening solution throughout the printing process.
Slides on coating not cracking
Dispersion coatings require careful application to prevent cracking. Operators must monitor the coating's flow time using a viscometer and follow the manufacturer's guidelines for storage, use, and processing temperature. Applying too little coating at too high a speed or too much coating can result in defects like cracking, haloing, or paper distortion. Ensuring proper drying through optimized infrared radiation and hot air settings is also important to prevent sheets from sticking or the coating from cracking.
Ink and dampening solution in balance 1
The document discusses test forms from Fogra and Heidelberg that can help identify problems in print quality by highlighting issues and their causes. It describes how Fogra developed a dampening control test form that allows printers to check and correctly regulate dampening solution application in order to achieve stable printing conditions. The test procedure involves first setting solid colors using ink density, then reducing dampening to the point of smearing while maintaining full toning to find the ideal balance of ink and dampening solution.
Slides on environmentally friendly
Using cleaning agents sparingly and minimizing water consumption are the first steps towards environmentally friendly cleaning. Heidelberger Druckmaschinen AG helps ensure wash procedures are carried out in an environmentally friendly manner using automatic washup systems. Low-emission cleaning agents containing vegetable oil esters or hydrocarbon mixtures have been developed since 1990 to significantly reduce air pollutants, though some caused technical issues. As a result, printing press manufacturers worked with industry groups to develop standards for minimizing solvent emissions and protecting machines through technical testing of cleaning agents.
Problem Cases in the Pressroom
The document discusses various problem cases that can occur in a pressroom, including electrostatic charge on paper, crease formation, picking, emulsification, ghosting, mottling, horizontal stripes, darkening, and changes in tone value. It provides details on the causes and remedies for each issue. The key issues covered are electrostatic charge occurring when paper is too dry, crease formation from poorly fed paper or machine settings, and remedies like ensuring proper paper moisture and machine adjustments.
Avoid ghosting
Ghosting in sheetfed offset printing refers to darker glossy areas visible on the back of printed surfaces with high ink concentration. It occurs through contact between printed sheets in the pile due to different drying speeds of inks. To avoid ghosting, it is best to choose the right paper and ink combination through lab testing, as certain combinations encourage ghosting. The lab test involves printing test sheets and storing them like sandwiches to check for ghosting effects. Time intervals between printing, perfecting, and finishing also impact ghosting - shorter intervals reduce ghosting. A lab test can ensure the paper and ink combination will not cause ghosting during the printing process.
Slides on avoiding ghosting
Ghosting in sheetfed offset printing refers to darker glossy areas appearing on the back of printed surfaces with high ink concentration. Ghosting occurs due to contact between printed sheets in the pile, as inks dry at different rates on different areas. To avoid ghosting, it is best to choose paper and ink combinations that do not encourage it, as identified through lab testing procedures involving printing test sheets and evaluating their appearance when stacked. The timing between printing, perfecting, and finishing is also important to control ghosting, as chemical bonds in inks can transfer to adjacent sheets during drying if intervals are too short. While methods like airing the pile can help, lab testing of materials provides the most reliable way to prevent ghosting
Recommended
Regular maintenance
The importance of regular operator maintenance cannot be overstated. All Heidelberg presses come with comprehensive operator maintenance manuals, and late model presses have maintenance information, spare parts lists & schedules at the touch of a button in the CP2000 press centre.
Slides on ink dampening solutions in bal 2
The document discusses test forms from Fogra and Heidelberg that can help printing presses identify problems and ensure ink and dampening solutions are properly balanced. The test forms highlight common issues like dirt, excessive ink, roller alignment problems, and damaged dampening rollers. They also reveal ghosts from improper dampening solution settings. Using the test forms, representatives can verify dampening control and balance of ink and dampening solution throughout the printing process.
Slides on coating not cracking
Dispersion coatings require careful application to prevent cracking. Operators must monitor the coating's flow time using a viscometer and follow the manufacturer's guidelines for storage, use, and processing temperature. Applying too little coating at too high a speed or too much coating can result in defects like cracking, haloing, or paper distortion. Ensuring proper drying through optimized infrared radiation and hot air settings is also important to prevent sheets from sticking or the coating from cracking.
Ink and dampening solution in balance 1
The document discusses test forms from Fogra and Heidelberg that can help identify problems in print quality by highlighting issues and their causes. It describes how Fogra developed a dampening control test form that allows printers to check and correctly regulate dampening solution application in order to achieve stable printing conditions. The test procedure involves first setting solid colors using ink density, then reducing dampening to the point of smearing while maintaining full toning to find the ideal balance of ink and dampening solution.
Slides on environmentally friendly
Using cleaning agents sparingly and minimizing water consumption are the first steps towards environmentally friendly cleaning. Heidelberger Druckmaschinen AG helps ensure wash procedures are carried out in an environmentally friendly manner using automatic washup systems. Low-emission cleaning agents containing vegetable oil esters or hydrocarbon mixtures have been developed since 1990 to significantly reduce air pollutants, though some caused technical issues. As a result, printing press manufacturers worked with industry groups to develop standards for minimizing solvent emissions and protecting machines through technical testing of cleaning agents.
Problem Cases in the Pressroom
The document discusses various problem cases that can occur in a pressroom, including electrostatic charge on paper, crease formation, picking, emulsification, ghosting, mottling, horizontal stripes, darkening, and changes in tone value. It provides details on the causes and remedies for each issue. The key issues covered are electrostatic charge occurring when paper is too dry, crease formation from poorly fed paper or machine settings, and remedies like ensuring proper paper moisture and machine adjustments.
Avoid ghosting
Ghosting in sheetfed offset printing refers to darker glossy areas visible on the back of printed surfaces with high ink concentration. It occurs through contact between printed sheets in the pile due to different drying speeds of inks. To avoid ghosting, it is best to choose the right paper and ink combination through lab testing, as certain combinations encourage ghosting. The lab test involves printing test sheets and storing them like sandwiches to check for ghosting effects. Time intervals between printing, perfecting, and finishing also impact ghosting - shorter intervals reduce ghosting. A lab test can ensure the paper and ink combination will not cause ghosting during the printing process.
Slides on avoiding ghosting
Ghosting in sheetfed offset printing refers to darker glossy areas appearing on the back of printed surfaces with high ink concentration. Ghosting occurs due to contact between printed sheets in the pile, as inks dry at different rates on different areas. To avoid ghosting, it is best to choose paper and ink combinations that do not encourage it, as identified through lab testing procedures involving printing test sheets and evaluating their appearance when stacked. The timing between printing, perfecting, and finishing is also important to control ghosting, as chemical bonds in inks can transfer to adjacent sheets during drying if intervals are too short. While methods like airing the pile can help, lab testing of materials provides the most reliable way to prevent ghosting
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Scratches and holograms never coming back because we remove them definitively.
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Slides on small grains that have a big effect
There are three main types of anti-setoff powders used in printing: calcium carbonate, sugar-based, and starch-based. Calcium carbonate is heavy and low-dust but needs to be surface treated to avoid abrasiveness. Sugar-based powder dissolves in dampening solution and is suitable for multiple passes but not dryers. Starch powder has spherical grains, flows well, and is gentle on machines. The key is matching the right powder type and grain size to the specific print job and using an efficient application system to minimize excess powder.
Slides on ink dampening solution in bal 2
The document discusses how test forms from Fogra and Heidelberg can help printing presses achieve perfect print results by highlighting typical problems and their causes. It describes how the test forms can be used to closely regulate ink and dampening solution balance. The test forms also reveal other issues in materials and needed maintenance. Common problems shown include dirt, improper roller alignment, and ghosting from dampening solution additives. The test forms provide a suitable aid for correctly setting the printing press and achieving a stable ink and dampening solution balance throughout production. Printing shops can obtain a test form through a service visit from a Fogra or Heidelberg representative.
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Using cleaning agents sparingly and minimizing water consumption are the first steps towards environmentally friendly cleaning. Heidelberger Druckmaschinen AG helps ensure wash procedures are carried out in an environmentally friendly manner using automatic washup systems. Low-emission cleaning agents containing vegetable oil esters or hydrocarbon mixtures have been developed since 1990 to significantly reduce air pollutants, though some caused technical issues. As a result, printing press manufacturers and industry groups established testing and certification procedures through Fogra to minimize solvent emissions and ensure agent compatibility.
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The document summarizes the recent activities and accomplishments of a Textile Engineer that have significantly increased profits for their employer. Key points include:
1. Reducing the stock levels of dyes, chemicals, and materials from 243 to 84 items, lowering monthly stock levels and costs by 900 million rupees through sourcing alternatives from China and India.
2. Increasing production capacity from 1.2 million meters to 3.5 million meters by adding new bleaching, dyeing, finishing, and mercerizing machines.
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487UHD EXTREME work like a coarse, medium, fine, ultra fine and hologram free compound only in one step.
Is very simple to remove P1500 in only one step using DA POLISHER or ROTARY POLISHER.
Scratches and holograms never coming back because we remove them definitively.
Extraordinary gloss on pure black. Mirror finish.
The best product to use before ceramic coating.
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FEC manufactures world class filter testing equipment that is ISO 9001 certified. They produce a dumbbell die and cutting press with a 1000 kg capacity that has an adjustable upper die and heavy base. The FEC cutting press uses a hydraulic system where the die is fixed above and the sample on a moving plate below is pressed upwards through the die with a hydraulic jack with a 2 ton capacity. The press has a rigid base plate finished in an autumn gray and blue paint for corrosion resistance and includes an instruction manual.
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The document discusses best practices for mixing solder paste after removing it from cold storage. Several experts provide responses:
- Centrifuge mixing for 15 minutes upon removing from refrigerator is recommended to properly mix paste.
- Waiting 4 hours before a 5-minute centrifuge mix may lower viscosity too much. 2 minutes is suggested.
- Hand mixing after 4 hours of warming is also proposed. Proper mixing is important to maintain uniform viscosity.
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There are 7 types of waste in manufacturing processes: waste of correction, over-production, motion, material movement, waiting, inventory, and processing. The document discusses identifying and reducing these wastes to lower process costs and increase customer satisfaction through lean manufacturing techniques. It encourages the reader that reducing waste is possible.
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This document provides information about a DIN abrasion tester from FEC World Class Testing Equipments. The tester is used to determine the abrasion resistance of materials like aggregates, crushed rock, rubbers, and other materials. It works by moving a test piece across an abrasive sheet mounted on a revolving drum, and measures volume loss or abrasion resistance index to indicate wear. The tester conforms to ASTM D5963 and ISO 4649 standards for simulating long-term wear through abrasion. FEC offers these testers for performing comparative tests to control material uniformity and understand parameters for practical wear resistance.
Testing/Manufacture/din abbrassion
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Slides on small grains that have a big effect
There are three main types of anti-setoff powders used in printing: calcium carbonate, sugar-based, and starch-based. Calcium carbonate is heavy and low-dust but needs to be surface treated to avoid abrasiveness. Sugar-based powder dissolves in dampening solution and is suitable for multiple passes but not dryers. Starch powder has spherical grains, flows well, and is gentle on machines. The key is matching the right powder type and grain size to the specific print job and using an efficient application system to minimize excess powder.
Slides on ink dampening solution in bal 2
The document discusses how test forms from Fogra and Heidelberg can help printing presses achieve perfect print results by highlighting typical problems and their causes. It describes how the test forms can be used to closely regulate ink and dampening solution balance. The test forms also reveal other issues in materials and needed maintenance. Common problems shown include dirt, improper roller alignment, and ghosting from dampening solution additives. The test forms provide a suitable aid for correctly setting the printing press and achieving a stable ink and dampening solution balance throughout production. Printing shops can obtain a test form through a service visit from a Fogra or Heidelberg representative.
Slides on environmentally friendly
Using cleaning agents sparingly and minimizing water consumption are the first steps towards environmentally friendly cleaning. Heidelberger Druckmaschinen AG helps ensure wash procedures are carried out in an environmentally friendly manner using automatic washup systems. Low-emission cleaning agents containing vegetable oil esters or hydrocarbon mixtures have been developed since 1990 to significantly reduce air pollutants, though some caused technical issues. As a result, printing press manufacturers and industry groups established testing and certification procedures through Fogra to minimize solvent emissions and ensure agent compatibility.
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Slides on ink dampening solutions in bal 2
The document discusses how test forms from Fogra and Heidelberg can help printing presses achieve perfect print results by highlighting typical problems and their causes. It describes how the test forms can be used to closely regulate ink and dampening solution balance. The test forms also reveal other issues in materials and needed maintenance. Common problems shown include dirt, improper roller alignment, and ghosting from dampening solution additives. The test forms provide a suitable aid for correctly setting the printing press and achieving a stable ink and dampening solution balance throughout production. Printing shops can obtain a test form through a service visit from a Fogra or Heidelberg representative.
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Slides Presentation on small grains that have a big effect
There are three main types of anti-setoff powders used in printing: calcium carbonate, sugar-based, and starch-based. Calcium carbonate is heavy and low-dust but needs to be surface treated to avoid abrasiveness. Sugar-based powder dissolves in dampening solution and is suitable for multiple passes but not dryers. Starch powder has spherical grains, flows well, and is gentle on machines. The key is matching the right powder type and grain size to the specific print job and using an efficient application system to minimize excess powder.
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This document discusses how to prevent cracking when applying dispersion coatings. It notes that cracking can occur if the temperature is too high or the coating speed or quantity is too low. It provides tips for operators to ensure a uniform coating, such as using a viscometer to check flow time, following manufacturer guidelines carefully, optimizing the gap between rollers, allowing proper drying time using the right infrared radiation and hot air combination, and checking the pile temperature difference between the feed and delivery. The document encourages contacting the provided representative or visiting the company website for more information.
Slides on small grains that have a big effect
There are three main types of anti-setoff powders used in printing: calcium carbonate, sugar-based, and starch-based. Calcium carbonate is heavy and low-dust but needs to be surface treated to avoid abrasion. Sugar-based powder dissolves easily but cannot be used with dryers. Starch powder has spherical grains, flows well, and is gentle on machines. The key is selecting the right powder for the job and application method to minimize powder usage.
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Delamination is a failure mode for composite materials where repeated stresses cause layers to separate, reducing mechanical strength. It also occurs in reinforced concrete when corrosion expands the metal reinforcements, creating stress cracks in the concrete. Delamination develops internally without surface signs, like metal fatigue, and can be detected by dull sounds when materials are dragged or tapped. It is a safety concern for composite aircraft construction and causes annual bridge deck inspections and repairs in cold climates.
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The document provides information about rollers used in inking and dampening systems for printing presses. It discusses roller manufacture, including how plasticizers and vulcanization agents determine hardness. It also covers proper roller storage, maintenance through cleaning, and potential issues like glazing. The document explains how to adjust the inking and dampening systems, including using press strips to set roller gaps and balance ink and water. It provides details on the Alcolor, Ecocolor, and other dampening systems and their adjustment.
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Fogra developed a dampening control test form to help printers balance ink and dampening solution across printing units for ideal print quality. The test form features visual control patches that show if dampening levels are nearing critical conditions. Using the standardized test procedure, printers can set ink density and then adjust dampening in steps to identify the ideal range. The test form works on most press and stock combinations and allows printers to quickly recognize and correct unfavorable settings between printing units.
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GENUINE SAMSUNG TONER
COSTS 30 PERCENT LESS THAN
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There are also hidden costs to consider when you compare non-genuine toners with genuine Samsung toner. For
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Intergrating New ProductsJune2003
This document discusses a company's strategic plan to enter the color laser printer cartridge remanufacturing market. It analyzes the color laser printer market and the HP 4500 product line. The company, Grand Manan Laser, currently remanufactures monochrome cartridges and wants to select its first color cartridge product. The document summarizes Grand Manan's finances, operations, and product mix. It evaluates factors that influenced the decision to select the HP 4500 color laser printer family as the company's initial color cartridge to remanufacture.
Grinder Brand Expertise that Keeps Your Operation Humming
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Zyvax is a company that started in 1960 and specializes in semi-permanent mold release products. Their products can be used with various resin and tool substrate combinations at temperatures up to 500°F. Their mold release system helps provide consistent molding results and reduces tool maintenance costs. Zyvax is committed to providing high quality products and services according to their quality management system.
Lobp cis fuels and lubricants conference 2013
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CIS Fuel and Lubes 2013 Speech see enclosed
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Slides on ink dampening solutions in bal 2
- 1. Ink and Dampening Solution in Balance 2
- 2. Perfect print Perfect print results require ideally set machines. The test forms from Fogra and Heidelberg offer effective support by highlighting typical problems and their causes in the print image.
- 3. Ink and Dampening Solution The first part of the article (see HN 265) showed that ink and dampening solution can be very closely regulated and balanced with a dampening control test form.
- 4. Continue… But the advantages of test forms as offered by Fogra and Heidelberg are nowhere near exhausted with this alone. Normally they reveal a range of other deficits in the materials and provide valuable references to needed maintenance work.
- 5. Recognizing and Solving Problems The test forms are particularly helpful when it comes to typical problem cases and their solutions.
- 6. This includes: • Dirt and chalky deposits in the inking unit • Excessive ink input in the dampening unit • Chrome and watering-pan rollers due to wrong alignment as well as unsuitable dampening rollers.
- 7. Continue… • Damaged and soaked dampening rollers (Ill. 1) • Impaired transfer of dampening solution due to dirt in the dampening unit (Ill. 2) • Strong ghosting from wrong dampening solution additives and settings (Ill. 3)
- 8. In a Nutshell: In a nutshell, it can be said that dampening control test forms are a verifiably suitable aid for correctly setting the printing press. In addition, a test form helps to achieve a stabile balance of ink and dampening solution throughout the entire production process.
- 9. Continue… In addition, a test form helps to achieve a stabile balance of ink and dampening solution throughout the entire production process.
- 10. How can print shops get the test form? The test form is part of a corresponding service carried out by a Fogra representative including checking the settings of a printing press on site.
- 11. Continue… The process is similar at Heidelberg. A service representative visits, brings the inking and dampening control test form from Heidelberg and uses it to perfectly set the machine.
- 12. Contact Us… Mr. Rajendra Prasad Rajendra.prasad@heidelberg.com www.heidelberg.com Copyright 2014 Heidelberg India, all Right Reserved. Heidelberg India keeps member Printing industry informed about its latest development and attractive offers.
- 13. Thank you