The document is an internship report summarizing a project done to reduce rejection rates in blood bag manufacturing at HLL Life Care Ltd's Akkulam factory in Trivandrum, India. The intern collected data on rejection causes and rates, analyzed sheet thickness variations and machine parameters, and identified root causes like thickness variations, dust, and misalignment. Implementing remedies like adjusting machine settings and improving sheet quality and cleaning reduced rejection rates from 4.5% to the target range of 1-2%, saving the company over Rs. 13 lakhs annually.
Vortex offers standard and customized ribbon blenders from 50L to 10,000L capacity for mixing dry and wet materials like powders, grains, pellets, flakes, slurries and pastes. The document describes a 1,000L stainless steel ribbon blender with safety features and variable frequency drive. Ribbon blenders use a horizontal agitator with helical ribbons to move materials in an axial and radial flow pattern, ensuring uniform blending in 5-6 minutes. Models up to 600L are made of polished stainless steel meeting sanitary standards for use in pharmaceutical and dairy industries.
Defects Analysis and Optimization of Process Parameters using Taguchi Doe Tec...IRJET Journal
This document describes an analysis of the cold shut defect in sand castings using Taguchi design of experiments techniques for parameter optimization. Data was collected from a foundry producing gray iron castings showing the splash delivery casing component had the highest rejection rate due to cold shut defects. Pareto analysis identified cold shut as the primary cause of rejection. Process parameters of pouring temperature, pouring time, and gating system were selected for optimization. Taguchi L4 orthogonal array experiments were conducted varying these parameters. Signal to noise ratio analysis identified the optimal parameter levels for minimizing cold shut defects. Implementing the optimized parameters reduced casting rejection rates.
Plate Cutting Error in Fabrication Shop & their Remedial Measure with Indust...AVINASH JURIANI
1. The document discusses various errors that can occur during plate cutting in fabrication shops, such as edge fusion, chain of molten beads, and overhanging edges.
2. It analyzes the causes of these errors using an Ishikawa diagram and provides remedies to common errors like torch feed speed being too low or high, clearance between the nozzle and plate being too small or large, and nozzle issues.
3. The authors conclude that understanding and addressing errors in plate cutting through proper techniques and parameters can increase productivity and profits for fabrication shops.
FIIs started investing in India in 1993 after the Indian stock market opened to foreign investors. FIIs must register with SEBI and comply with RBI regulations. They can include pension funds, mutual funds, insurance companies, banks, and more. FIIs bring foreign currency into India which increases rupee liquidity and lowers borrowing costs, fueling economic growth. However, they also introduce volatility in stock prices as they buy and sell large numbers of shares. Massive withdrawals of funds by FIIs have contributed to crashes of the Indian stock market.
Top 10 lean manufacturing engineer interview questions and answerstonychoper2506
The document provides information about interview materials for a lean manufacturing engineer position, including common interview questions, tips for answering questions, and additional resources. It lists 10 frequently asked interview questions for lean manufacturing engineers along with suggestions for good answers. These include questions about why the applicant wants the job, mistakes they have made, challenges they are seeking, and what they have learned about the company. The document also provides numerous additional links and resources for preparing for a lean manufacturing engineer interview.
Internship Report on ILM College SargodhaUsama Karim
Institute of Leadership & Management (ILM) has 25 Years of making excellent achievement in education; excellent from ILM to a degree awarding institute University of Management & Technology (UMT). It has produced more than twenty thousand students in different disciplines who are making their contribution in the national, multinational and international Organizations. ILM has now embarked upon a new journey by opening a chain of ILM Colleges throughout of country with an added vision of spreading knowledge with innovation. Thus ILM is providing academic ladder from “Intermediate to Ph.D.”
FIIs and DIIs have significantly impacted the Indian stock market. FIIs first began investing in India in 1992 and there are now over 1500 registered FIIs. FIIs bring foreign capital into India which increases stock prices and improves liquidity, but they also introduce more volatility as they frequently move large investments in and out of the country based on short-term prospects. Their outflows have been a major factor in several crashes of the Indian stock market.
This document provides information about a public administration course taught by Prof. Ginandjar Kartasasmita at the Graduate School of Asia and Pacific Studies at Waseda University in Tokyo, Japan. The course covers key concepts and intellectual frameworks in public administration, with a focus on the relationships between governance, administration, and development. It will include lectures, class discussions, assignments, and a final paper. The grade is based 30% on class participation, 30% on assignments, and 40% on the final paper. Required readings are listed and materials can be accessed on the professor's website.
Vortex offers standard and customized ribbon blenders from 50L to 10,000L capacity for mixing dry and wet materials like powders, grains, pellets, flakes, slurries and pastes. The document describes a 1,000L stainless steel ribbon blender with safety features and variable frequency drive. Ribbon blenders use a horizontal agitator with helical ribbons to move materials in an axial and radial flow pattern, ensuring uniform blending in 5-6 minutes. Models up to 600L are made of polished stainless steel meeting sanitary standards for use in pharmaceutical and dairy industries.
Defects Analysis and Optimization of Process Parameters using Taguchi Doe Tec...IRJET Journal
This document describes an analysis of the cold shut defect in sand castings using Taguchi design of experiments techniques for parameter optimization. Data was collected from a foundry producing gray iron castings showing the splash delivery casing component had the highest rejection rate due to cold shut defects. Pareto analysis identified cold shut as the primary cause of rejection. Process parameters of pouring temperature, pouring time, and gating system were selected for optimization. Taguchi L4 orthogonal array experiments were conducted varying these parameters. Signal to noise ratio analysis identified the optimal parameter levels for minimizing cold shut defects. Implementing the optimized parameters reduced casting rejection rates.
Plate Cutting Error in Fabrication Shop & their Remedial Measure with Indust...AVINASH JURIANI
1. The document discusses various errors that can occur during plate cutting in fabrication shops, such as edge fusion, chain of molten beads, and overhanging edges.
2. It analyzes the causes of these errors using an Ishikawa diagram and provides remedies to common errors like torch feed speed being too low or high, clearance between the nozzle and plate being too small or large, and nozzle issues.
3. The authors conclude that understanding and addressing errors in plate cutting through proper techniques and parameters can increase productivity and profits for fabrication shops.
FIIs started investing in India in 1993 after the Indian stock market opened to foreign investors. FIIs must register with SEBI and comply with RBI regulations. They can include pension funds, mutual funds, insurance companies, banks, and more. FIIs bring foreign currency into India which increases rupee liquidity and lowers borrowing costs, fueling economic growth. However, they also introduce volatility in stock prices as they buy and sell large numbers of shares. Massive withdrawals of funds by FIIs have contributed to crashes of the Indian stock market.
Top 10 lean manufacturing engineer interview questions and answerstonychoper2506
The document provides information about interview materials for a lean manufacturing engineer position, including common interview questions, tips for answering questions, and additional resources. It lists 10 frequently asked interview questions for lean manufacturing engineers along with suggestions for good answers. These include questions about why the applicant wants the job, mistakes they have made, challenges they are seeking, and what they have learned about the company. The document also provides numerous additional links and resources for preparing for a lean manufacturing engineer interview.
Internship Report on ILM College SargodhaUsama Karim
Institute of Leadership & Management (ILM) has 25 Years of making excellent achievement in education; excellent from ILM to a degree awarding institute University of Management & Technology (UMT). It has produced more than twenty thousand students in different disciplines who are making their contribution in the national, multinational and international Organizations. ILM has now embarked upon a new journey by opening a chain of ILM Colleges throughout of country with an added vision of spreading knowledge with innovation. Thus ILM is providing academic ladder from “Intermediate to Ph.D.”
FIIs and DIIs have significantly impacted the Indian stock market. FIIs first began investing in India in 1992 and there are now over 1500 registered FIIs. FIIs bring foreign capital into India which increases stock prices and improves liquidity, but they also introduce more volatility as they frequently move large investments in and out of the country based on short-term prospects. Their outflows have been a major factor in several crashes of the Indian stock market.
This document provides information about a public administration course taught by Prof. Ginandjar Kartasasmita at the Graduate School of Asia and Pacific Studies at Waseda University in Tokyo, Japan. The course covers key concepts and intellectual frameworks in public administration, with a focus on the relationships between governance, administration, and development. It will include lectures, class discussions, assignments, and a final paper. The grade is based 30% on class participation, 30% on assignments, and 40% on the final paper. Required readings are listed and materials can be accessed on the professor's website.
OPM500 EMC Additional Information
A. EMC—Background Information
B. Product Brochure
C. Plasti-Brack Information
D. Manufacturing Processes
E. Basic Financial Information about EMC
F. Financial Information
G. Organizational Chart
H. Plant Layout
A. Module 1 - EMC - Background Info
The Excellent Manufacturing Company
Corporate information:
· Established: February, 1995, Columbus, Ohio
· President/CEO: Jack Walker (original founder)
· Division of National Building Supply
· Subsidiary of RexMag - an international conglomerate of diversified products
Size and customer info:
· Gross Sales: Approximately $13,000,000
· Total Employees: Approx. 105
· Customers: National and regional home improvement centers and building supply outlets
Products: Construction and building items:
· FASTENERS
· screws, bolts, nails
· CONSTRUCTION
· Flanges
· Brackets – Plasti-Brack
· CABINET HARDWARE
· Hinges
· Knobs
· Pulls
· DECORATIVE HARDWARE
· Towel Bars
· Towel Rings
· Soap Dishes
· Switch Plates
· Outlet Plates
B. Module 1 - EMC - Product Brochure
Productivity & Process Improvement Products: Construction and building items:
· FASTENERS
· screws, bolts, nuts, nails
· CONSTRUCTION
· Flanges
· Brackets – Plasti-Brack
· CABINET HARDWARE
· Hinges
· Knobs
· Pulls
· DECORATIVE HARDWARE
· Towel Bars
· Towel Rings
· Robe Hooks
· Switch Plates
· Outlet Plates
C. Module 1 - EMC - Plasti-Brack Info
Productivity & Process Improvement The Plasti-Brack Product Line: combination metal / plastic supports
Description of the products:
· Six products, different angles. F90, F100, F120A, F120B, F130, F135
· Novel item patented by Excellent
· Unique design includes a simulated wood finish and color in the plastic insert
· Allows it to be used both for internal and external construction
· Very popular in deck, fence, and shed construction, as well as in home construction.
Part number system. Each part, component, or raw material is numbered for ID purposes. This system uses the format: XnnnA.
X is a prefix that denotes the type of part or material: R: Raw, S: steel, P: Plastic, F: Finished product, B-F: Bulk Packed Finishe product.
nnn is the body of the part number and can be three to five digits
A is the suffix which denotes different variations of the same or similar parts.
For example, F120A is a finished, assembled part, 120 is the number for this specific part, the 120 degree Plasti-brack, and A is the small version (B is the larger version).
SAMPLE DRAWING & SAMPLE PROCESS FLOW CHART
Figure 1 shows a sample drawing of the F90. The P90 is the plastic insert, the S90 is the steel bracket and the F90 is the assembly of the P90 and S90. Figure 2 shows the process flow chart for the B-F90, which is the bulk packed F90.
Plasti-Brack processes and descriptions
Machine group 153 Bracket presses.
· Two 400-ton presses
· machine speed is 40 strokes per minute, or 2400 pieces per hour
· Progressive die process, so that one bracket part is pr.
Plasticization rates can be greatly increased with the use of grooved feed extrusion. Grooved feed extruders can be used in a wide range of extrusion processes for higher output rates. This technology has doubled plasticization rates for some resins and processes as compared to smooth bore extruders.
This paper will compare the performance of three different screw geometries while processing fractional melt HDPE. One of the main methods of evaluation will be the comparison of internal pressure profiles over the entire length of the screw at eleven different locations down the length of the barrel at two L/D apart.
The document describes a report on ball mills submitted to professors at Cairo University. It discusses the basic principles of ball mills, their components, design equations, manufacturers, and cost estimates. Ball mills are widely used in grinding materials in industries like chemical and are available in both dry and wet types. They can be batch or continuous and are efficient tools for reducing materials to fine powder.
IRJET-Numerical Analysis of Extruder Screw & Controlling the Diameter of Plas...IRJET Journal
This document summarizes the numerical analysis and design of an extruder screw and machine for controlling the diameter of plastic wires. It describes the components of the extruder, including the screw, barrel, die, and temperature controller. The analysis examines the thermal behavior of the screw at different temperatures. Experiments were conducted extruding HDPE, LDPE, and PLA plastics. The results show that PLA produced the best quality wire suitable for 3D printing, while HDPE and LDPE wires could be used for other applications. The low-cost plastic filament extruder was successfully designed and manufactured to produce filament from various thermoplastics for 3D printing and rapid prototyping.
This document provides information about custom engineered strainers, including common factors to consider when selecting a strainer, such as the fluid properties, operating pressures and temperatures, strainer body material, strainer type, pipe size, nature and size of solids to be strained, and expected cleaning frequency. It also provides tables of standard screen mesh sizes and dimensional data for various strainer models.
At the technology round table strategic presentations on Commercial Refrigeration will be presented by leading industry representatives, followed by a panel discussion.
Harish Kumar Shahi completed a summer internship at Axalta Coating Systems where he worked on three projects: optimization of extruders, analysis of product wheel sequencing, and development of a planning software tool. He analyzed the constraints and throughput of eight extruders, identifying issues like cooling problems. This led to an average 10% increase in throughput. He also analyzed moving from bucket to product wheel sequencing, finding potential inventory and cost savings. Finally, he developed a software tool to optimize production planning and inventory levels.
Keywords: six sigma; foundry SMEs; small and medium-sized enterprises; design of experiments; DOE; measurement system analysis; MSA; failure mode and effects analysis; FMEA; non-conforming products; cost of poor quality; hypothesis testing; defects per million opportunities; DPMO; process capability; DMAICS; analysis of variance; ANOVA; India; make-to-order foundries; scrap reduction; productivity.
This document summarizes a student project to design and build a prototype screw press. It includes an analysis of existing screw press designs and calculations to determine the dimensions of the screw press components. The objectives are to continue optimizing screw press design and evaluate performance. The methodology involves studying existing presses, selecting one for improvement, designing modifications, fabricating the press, and testing it. Dimensions and drawings of the prototype's power screw, columns, and plates are provided. The prototype was successfully built to specifications using wood instead of metal to reduce costs. The project enhanced workshop and design skills.
IRJET- Injection Molding Methods Design, Optimization and Simulation of Plast...IRJET Journal
This document summarizes research on optimizing the design of a plastic cap part using mold flow analysis simulation. The researchers analyzed a plastic cap design, identified issues like shrinkage, weld lines, and air traps. They then optimized the design parameters in the Moldflow Adviser simulation software. This included adjusting the injection pressure, temperature, gate location and analyzing fill time, flow patterns, cooling, and risks of defects. After simulation, they conducted molding trials and found the optimized design had shorter fill time and cycle time, lower pressure needs, and reduced risks of defects compared to the original design.
The document summarizes a presentation on improving the dust collection system for a small woodworking shop in Surrey, BC. It identifies several problems with the existing system, including its proximity to exits and operators, lack of interlocking between dust collectors and machines, improper ducting layout, and non-compliance with NFPA and BC fire codes. It then provides recommendations to address these issues by relocating the dust collector, redesigning the ducting system based on calculated airflow needs, adding safety features like backdraft dampers and grounding, and ensuring maintenance and compliance with all applicable codes and regulations.
The document describes the development of a test rig for evaluating the performance of string wound filter cartridges using water as the medium. Key points:
1) The test rig was designed to follow the single pass test method with constant flow rate conditions to measure pressure characteristics over time.
2) Several design challenges were encountered with the initial setup, including leakage issues. The design was modified to use a ready-made housing and improve flow stability.
3) Testing of sample cartridges showed increasing inlet pressure over time to maintain constant flow, validating that the rig operates as intended.
4) Results were also comparable to cartridges produced on a commercial winder, demonstrating the rig can reliably test string wound cartridge
This document describes the design of an aluminum can recycling system. It includes the following key points:
1. The system aims to reduce the volume of aluminum cans using a can crusher machine to save storage space.
2. The design and fabrication of the crusher machine is discussed, including components like a pneumatic cylinder, solenoid valve, conveyor belt, and furnace.
3. Materials selected for parts include aluminum for the cylinder, mild steel for the frame, and stainless steel for the solenoid valve body.
4. Calculations are shown for sizing the pneumatic cylinder to generate sufficient force for crushing cans based on the material properties and dimensions.
The document contains technical drawings and part lists for assemblies of a CNC router. It includes 6 pages of drawings showing components like the base assembly, gantry assembly, and axis assemblies. The drawings include views, material specifications, and lists of parts with descriptions.
International Journal of Engineering Research and Development (IJERD)IJERD Editor
journal publishing, how to publish research paper, Call For research paper, international journal, publishing a paper, IJERD, journal of science and technology, how to get a research paper published, publishing a paper, publishing of journal, publishing of research paper, reserach and review articles, IJERD Journal, How to publish your research paper, publish research paper, open access engineering journal, Engineering journal, Mathemetics journal, Physics journal, Chemistry journal, Computer Engineering, Computer Science journal, how to submit your paper, peer reviw journal, indexed journal, reserach and review articles, engineering journal, www.ijerd.com, research journals,
yahoo journals, bing journals, International Journal of Engineering Research and Development, google journals, hard copy of journal,
Moyno l4 drive end operations and assemblyNelsonBort
This document provides operation, assembly, and parts information for Moyno brand progressing cavity pumps with frame sizes 1L4, 2L4, 3L4, 3M3, 6M3, 3P2, 6P2, and 9P2. It describes the pumping mechanism and identifies nameplate data, type designations based on materials of construction, and lists parts with corresponding part numbers. Disassembly and assembly instructions are also provided.
Study of Time Reduction in Manufacturing of Screws Used in Twin Screw PumpIJMERJOURNAL
ABSTRACT: This paper gives the characteristics of Time reduction in manufacturing of screws for Twin screw pumps. Screws are playing a vital role in the performance of pumps, because pumps give the fluids transfer rate with the help of screws. There is a gap in screws which shows its positiveness. This indicates that we are studying about positive displacements pumps. Positive displacements pumps having no point of contact between screws, because of that there will be no any friction formation. Automation is best for development of product to reduce time in manufacturing of any product. In this paper we also tried to explain this feature of Automation to help reduction of time to manufacture of product to increase productivity.
High performance foil rotor improves de ink pulp screenducnamtrinh
- A novel dual element foil (DEF) rotor was developed to improve stickies removal efficiency in paper recycling screening while using less power than conventional rotors.
- In a mill trial, the DEF rotor achieved 42% lower power consumption than the existing rotor at an optimized lower tip speed, while maintaining screen capacity and runnability. It also achieved higher stickies removal efficiency.
- The DEF rotor design optimizes the negative pressure pulse for cleaning while minimizing the positive pulse that could force stickies through slots. This allows for more efficient screening at lower tip speeds and power usage.
Fracture analysis and defect reduction in passenger car rim tharunkumar273
1. Wheels India Ltd is an auto component manufacturer that produces wheels and other parts. They were experiencing high scrap rates of around 10,000 PPM due to defects in butt welding of passenger car rims.
2. A study was conducted to analyze the defects, temperature behavior, material properties, quality verification process, and potential causes of welding failures like fusing. DOE tools like product/process search were used to validate causes.
3. It was found that variations in the initial bed gap/platen home position was a significant cause of failure, with a count of defects matching this cause being greater than the threshold of 6 out of 16 samples. Other factors like excess edge cutting were not found to be
OPM500 EMC Additional Information
A. EMC—Background Information
B. Product Brochure
C. Plasti-Brack Information
D. Manufacturing Processes
E. Basic Financial Information about EMC
F. Financial Information
G. Organizational Chart
H. Plant Layout
A. Module 1 - EMC - Background Info
The Excellent Manufacturing Company
Corporate information:
· Established: February, 1995, Columbus, Ohio
· President/CEO: Jack Walker (original founder)
· Division of National Building Supply
· Subsidiary of RexMag - an international conglomerate of diversified products
Size and customer info:
· Gross Sales: Approximately $13,000,000
· Total Employees: Approx. 105
· Customers: National and regional home improvement centers and building supply outlets
Products: Construction and building items:
· FASTENERS
· screws, bolts, nails
· CONSTRUCTION
· Flanges
· Brackets – Plasti-Brack
· CABINET HARDWARE
· Hinges
· Knobs
· Pulls
· DECORATIVE HARDWARE
· Towel Bars
· Towel Rings
· Soap Dishes
· Switch Plates
· Outlet Plates
B. Module 1 - EMC - Product Brochure
Productivity & Process Improvement Products: Construction and building items:
· FASTENERS
· screws, bolts, nuts, nails
· CONSTRUCTION
· Flanges
· Brackets – Plasti-Brack
· CABINET HARDWARE
· Hinges
· Knobs
· Pulls
· DECORATIVE HARDWARE
· Towel Bars
· Towel Rings
· Robe Hooks
· Switch Plates
· Outlet Plates
C. Module 1 - EMC - Plasti-Brack Info
Productivity & Process Improvement The Plasti-Brack Product Line: combination metal / plastic supports
Description of the products:
· Six products, different angles. F90, F100, F120A, F120B, F130, F135
· Novel item patented by Excellent
· Unique design includes a simulated wood finish and color in the plastic insert
· Allows it to be used both for internal and external construction
· Very popular in deck, fence, and shed construction, as well as in home construction.
Part number system. Each part, component, or raw material is numbered for ID purposes. This system uses the format: XnnnA.
X is a prefix that denotes the type of part or material: R: Raw, S: steel, P: Plastic, F: Finished product, B-F: Bulk Packed Finishe product.
nnn is the body of the part number and can be three to five digits
A is the suffix which denotes different variations of the same or similar parts.
For example, F120A is a finished, assembled part, 120 is the number for this specific part, the 120 degree Plasti-brack, and A is the small version (B is the larger version).
SAMPLE DRAWING & SAMPLE PROCESS FLOW CHART
Figure 1 shows a sample drawing of the F90. The P90 is the plastic insert, the S90 is the steel bracket and the F90 is the assembly of the P90 and S90. Figure 2 shows the process flow chart for the B-F90, which is the bulk packed F90.
Plasti-Brack processes and descriptions
Machine group 153 Bracket presses.
· Two 400-ton presses
· machine speed is 40 strokes per minute, or 2400 pieces per hour
· Progressive die process, so that one bracket part is pr.
Plasticization rates can be greatly increased with the use of grooved feed extrusion. Grooved feed extruders can be used in a wide range of extrusion processes for higher output rates. This technology has doubled plasticization rates for some resins and processes as compared to smooth bore extruders.
This paper will compare the performance of three different screw geometries while processing fractional melt HDPE. One of the main methods of evaluation will be the comparison of internal pressure profiles over the entire length of the screw at eleven different locations down the length of the barrel at two L/D apart.
The document describes a report on ball mills submitted to professors at Cairo University. It discusses the basic principles of ball mills, their components, design equations, manufacturers, and cost estimates. Ball mills are widely used in grinding materials in industries like chemical and are available in both dry and wet types. They can be batch or continuous and are efficient tools for reducing materials to fine powder.
IRJET-Numerical Analysis of Extruder Screw & Controlling the Diameter of Plas...IRJET Journal
This document summarizes the numerical analysis and design of an extruder screw and machine for controlling the diameter of plastic wires. It describes the components of the extruder, including the screw, barrel, die, and temperature controller. The analysis examines the thermal behavior of the screw at different temperatures. Experiments were conducted extruding HDPE, LDPE, and PLA plastics. The results show that PLA produced the best quality wire suitable for 3D printing, while HDPE and LDPE wires could be used for other applications. The low-cost plastic filament extruder was successfully designed and manufactured to produce filament from various thermoplastics for 3D printing and rapid prototyping.
This document provides information about custom engineered strainers, including common factors to consider when selecting a strainer, such as the fluid properties, operating pressures and temperatures, strainer body material, strainer type, pipe size, nature and size of solids to be strained, and expected cleaning frequency. It also provides tables of standard screen mesh sizes and dimensional data for various strainer models.
At the technology round table strategic presentations on Commercial Refrigeration will be presented by leading industry representatives, followed by a panel discussion.
Harish Kumar Shahi completed a summer internship at Axalta Coating Systems where he worked on three projects: optimization of extruders, analysis of product wheel sequencing, and development of a planning software tool. He analyzed the constraints and throughput of eight extruders, identifying issues like cooling problems. This led to an average 10% increase in throughput. He also analyzed moving from bucket to product wheel sequencing, finding potential inventory and cost savings. Finally, he developed a software tool to optimize production planning and inventory levels.
Keywords: six sigma; foundry SMEs; small and medium-sized enterprises; design of experiments; DOE; measurement system analysis; MSA; failure mode and effects analysis; FMEA; non-conforming products; cost of poor quality; hypothesis testing; defects per million opportunities; DPMO; process capability; DMAICS; analysis of variance; ANOVA; India; make-to-order foundries; scrap reduction; productivity.
This document summarizes a student project to design and build a prototype screw press. It includes an analysis of existing screw press designs and calculations to determine the dimensions of the screw press components. The objectives are to continue optimizing screw press design and evaluate performance. The methodology involves studying existing presses, selecting one for improvement, designing modifications, fabricating the press, and testing it. Dimensions and drawings of the prototype's power screw, columns, and plates are provided. The prototype was successfully built to specifications using wood instead of metal to reduce costs. The project enhanced workshop and design skills.
IRJET- Injection Molding Methods Design, Optimization and Simulation of Plast...IRJET Journal
This document summarizes research on optimizing the design of a plastic cap part using mold flow analysis simulation. The researchers analyzed a plastic cap design, identified issues like shrinkage, weld lines, and air traps. They then optimized the design parameters in the Moldflow Adviser simulation software. This included adjusting the injection pressure, temperature, gate location and analyzing fill time, flow patterns, cooling, and risks of defects. After simulation, they conducted molding trials and found the optimized design had shorter fill time and cycle time, lower pressure needs, and reduced risks of defects compared to the original design.
The document summarizes a presentation on improving the dust collection system for a small woodworking shop in Surrey, BC. It identifies several problems with the existing system, including its proximity to exits and operators, lack of interlocking between dust collectors and machines, improper ducting layout, and non-compliance with NFPA and BC fire codes. It then provides recommendations to address these issues by relocating the dust collector, redesigning the ducting system based on calculated airflow needs, adding safety features like backdraft dampers and grounding, and ensuring maintenance and compliance with all applicable codes and regulations.
The document describes the development of a test rig for evaluating the performance of string wound filter cartridges using water as the medium. Key points:
1) The test rig was designed to follow the single pass test method with constant flow rate conditions to measure pressure characteristics over time.
2) Several design challenges were encountered with the initial setup, including leakage issues. The design was modified to use a ready-made housing and improve flow stability.
3) Testing of sample cartridges showed increasing inlet pressure over time to maintain constant flow, validating that the rig operates as intended.
4) Results were also comparable to cartridges produced on a commercial winder, demonstrating the rig can reliably test string wound cartridge
This document describes the design of an aluminum can recycling system. It includes the following key points:
1. The system aims to reduce the volume of aluminum cans using a can crusher machine to save storage space.
2. The design and fabrication of the crusher machine is discussed, including components like a pneumatic cylinder, solenoid valve, conveyor belt, and furnace.
3. Materials selected for parts include aluminum for the cylinder, mild steel for the frame, and stainless steel for the solenoid valve body.
4. Calculations are shown for sizing the pneumatic cylinder to generate sufficient force for crushing cans based on the material properties and dimensions.
The document contains technical drawings and part lists for assemblies of a CNC router. It includes 6 pages of drawings showing components like the base assembly, gantry assembly, and axis assemblies. The drawings include views, material specifications, and lists of parts with descriptions.
International Journal of Engineering Research and Development (IJERD)IJERD Editor
journal publishing, how to publish research paper, Call For research paper, international journal, publishing a paper, IJERD, journal of science and technology, how to get a research paper published, publishing a paper, publishing of journal, publishing of research paper, reserach and review articles, IJERD Journal, How to publish your research paper, publish research paper, open access engineering journal, Engineering journal, Mathemetics journal, Physics journal, Chemistry journal, Computer Engineering, Computer Science journal, how to submit your paper, peer reviw journal, indexed journal, reserach and review articles, engineering journal, www.ijerd.com, research journals,
yahoo journals, bing journals, International Journal of Engineering Research and Development, google journals, hard copy of journal,
Moyno l4 drive end operations and assemblyNelsonBort
This document provides operation, assembly, and parts information for Moyno brand progressing cavity pumps with frame sizes 1L4, 2L4, 3L4, 3M3, 6M3, 3P2, 6P2, and 9P2. It describes the pumping mechanism and identifies nameplate data, type designations based on materials of construction, and lists parts with corresponding part numbers. Disassembly and assembly instructions are also provided.
Study of Time Reduction in Manufacturing of Screws Used in Twin Screw PumpIJMERJOURNAL
ABSTRACT: This paper gives the characteristics of Time reduction in manufacturing of screws for Twin screw pumps. Screws are playing a vital role in the performance of pumps, because pumps give the fluids transfer rate with the help of screws. There is a gap in screws which shows its positiveness. This indicates that we are studying about positive displacements pumps. Positive displacements pumps having no point of contact between screws, because of that there will be no any friction formation. Automation is best for development of product to reduce time in manufacturing of any product. In this paper we also tried to explain this feature of Automation to help reduction of time to manufacture of product to increase productivity.
High performance foil rotor improves de ink pulp screenducnamtrinh
- A novel dual element foil (DEF) rotor was developed to improve stickies removal efficiency in paper recycling screening while using less power than conventional rotors.
- In a mill trial, the DEF rotor achieved 42% lower power consumption than the existing rotor at an optimized lower tip speed, while maintaining screen capacity and runnability. It also achieved higher stickies removal efficiency.
- The DEF rotor design optimizes the negative pressure pulse for cleaning while minimizing the positive pulse that could force stickies through slots. This allows for more efficient screening at lower tip speeds and power usage.
Fracture analysis and defect reduction in passenger car rim tharunkumar273
1. Wheels India Ltd is an auto component manufacturer that produces wheels and other parts. They were experiencing high scrap rates of around 10,000 PPM due to defects in butt welding of passenger car rims.
2. A study was conducted to analyze the defects, temperature behavior, material properties, quality verification process, and potential causes of welding failures like fusing. DOE tools like product/process search were used to validate causes.
3. It was found that variations in the initial bed gap/platen home position was a significant cause of failure, with a count of defects matching this cause being greater than the threshold of 6 out of 16 samples. Other factors like excess edge cutting were not found to be
KuberTENes Birthday Bash Guadalajara - K8sGPT first impressionsVictor Morales
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Internship report
1. INTERNSHIP REPORT
DONE BY GUIDED BY
ANIL VISHNU B K N SREENIVASAN
NIT CALICUT MANAGER (BB),HLL AKKULAM
2. AFT TRIVANDRUM
Akkulam factory (AFT) is the 2 largest manufacturing plant of HLL in
Trivandrum district.
Which is set up in October 1992.
In which the main production in this unit are Blood bags, Needles,
Tubes, Suture implants, Copper T.
3. PROBLEM STATEMENT
Reduce the rejection in 4UP HF Welding by finding out the root causes of
the rejection in blood bag manufacturing unit of Akkulam factory of HLL
Life care Ltd
4. Importance of the project
Company now facing around 4.5% rejection per annum
Total loss 66 lakhs per annum
Reducing 1% will save around 13 lakhs per annum
5. OBJECTIVES
Find out the total rejection in 4UP HF welding
List out the various reason for the rejection
Find the root causes for the rejection
Implement the remedies to reduce the rejection
Reduce the rejection percentage within the range of 1-2%
6. RESEARCH APPROACH
Collection of Historical data on 4UP HF welding rejection.
Detailed study about working of the machine.
Comparison of historical data with online study on the machine.
Finding out the problems in working of the machine.
Searching for the root causes of the problem.
Listing out the root causes of the problem.
Taking Details about the input material for the machine.
Detailed study about the requirement of input sheet for the machine.
7. Take samples from Sheet extruding machine.
Take all readings as well as parameters of the sample sheet taken.
Run the sample sheets in 4UP HF welding machine.
Calculate the rejection percentage for the population from the sample.
Compare it with Historical data collected.
Implement the remedies for the reason for rejection
Compare the pre implementation and post implementation data.
8. DATA SOURCES
Primary:
Primary data were collected through direct observation by sampling method.
And also by discussion which have been held with various official employees
and workers of the company.
Secondary:
Secondary data were collected through the historical data saved in the sorting
register of the 4UP HF welding machine and also from various books,
websites, company database etc.
13. Hypothesis
Ho1 : Rejection occurs in the m/c are because of the design imperfections in 4UP HF Welding
Ha1 : Rejections occurs in the m/c are not because of the design imperfections in 4UP HF Welding
Ho4 : Excessive punching rejection in 4UP is due to thickness variation and there by bumps on input sheet
Ha4 : Excessive punching rejection in 4up is not due to thickness variation and there by bumps on input sheet
Ho5 : Rejection because of the feeding problem in the 4UP m/c
Ha5 : Rejection is not because of the feeding problem in the 4UP m/c
Ho6 : Rejection in sheet mainly because of the dust particle present in the bag
Ha6 : Rejection in sheet mainly not because of the dust particle present in the bag
Ho7 : Punching problem is because of the sticking of input sheet
Ha7 : Punching problem is not because of the sticking of input sheet
Ho8 : Punching rejection occurs mainly because of the mis-alignment of the m/c parts
Ha8 : Punching rejection occurs not because of the mis-alignment of the m/c parts
14. Ho9 : Punching rejection is mainly because of the bumps in the two ends of the sheet
Ha9 : Punching rejection is not because of the bumps in the two ends of the sheet
Ho10 : Punching rejection is due to variation of temperature using in the operation of sheet extrusion
Ha10 : Punching rejection is not because of the variation of temperature using in the operation of sheet extrusion
Ho13 : Sheet thickness variation is because of quality of pellet using.
Ha13 : Sheet thickness variation is not because of quality of pellet using.
16. Method of study
1
Collect the data from sorting department under various rejection
Classify the rejection under various category and find out which rejection
is excessive.
17. 2 (A)
Mark specific sheet from sheet extruder
Draw chart for movement of the input sheet to the 4UP m/c
Note down which roll is on the left & right side of the m/c roller
Mark the movement of sheet in the 4UP m/c centres
2 (B)
Observe the 2 pickup station process
Observe kind of sheet that both pick up station accept & Reject from the
samples
Note down the specific values of thickness
Point out the sheet which is with more acceptable specific values
18. 2 (C)
Find out the amount of rejection by both plates
Take sample from the both accepted & rejected sheet.
2 (D)
Collect 4 samples of imported sheet
Divide sheet with length of 0.5 cm
Find the thickness of each strip
Draw the graph for thickness with length on x axis and thickness on y axis
Collect the sealed sheet from the 4UP machine
Find the thickness variation of the sheet along the length by cutting into strip
of length 0.5cm and to plot it on the graph
From a sample of 100 find out the total number of rejection in 4UP machine
So as to find the total percentage of rejection
19. 3 (A)
Detailed study on how die is setting and the study on the parameters for
the perfect sheet
Study on how to adjust the lip screws.
3 (B).
Take a set of sheet rolls which is in the accepted groups
Take samples from the taken sheet rolls
Determine the thickness from each sample
Make a trial run on the 4UP machine check whether the accepted sheets
are running Properly on the machine
Note down the sheet details with minimum acceptance level.
20. 3 (C).
Take two sealed sheet samples from the 4UP machine which is not
properly placed and the other is properly placed
Compare the sheet parameters with the parameters of the imported sheet
and the Sheets that are successfully running on the 4UP machine
Formulate set of sheet parameters that are in region of acceptance for the
4UPmachine
21. Historical data collection
1. DATE- 12/5/2016
SHIFT TARGET ACTUAL REJECT DEVIATION
A 12,500 11,000 124 150
B 12,500 10,000 100 2500
C 12,500 11,000 180 1500
37,500 32,000 404 5500
0
10,000
20,000
TARGET ACTUAL REJECT DEVIATION
REJECTION REPORT- 12/5/2016
A B C
22. 1. DATE 17/5/2016
SHIFT TARGET ACTUAL REJECT DEVIATION
A 12,500 2200 60 10,300
B 12,500 8700 100 3800
C 12,500 8200 68 4300
37,500 19100 228 18400
0
20,000
TARGET ACTUAL REJECT DEVIATION
REJECTION REPORT-17/5/2016
A B C
23. 1. DATE 19/5/2016
SHIFT TARGET ACTUAL REJECT DEVIATION
A 12,500 6500 96 6000
B 12,500 3400 100 9100
C 12,500 5000 100 7500
37,500 14,900 296 22600
0
12,500
6500
96
6000
0
12,500
3400
100
9100
0
12,500
5000
100
7500
0
5000
10000
15000
SHIFT TARGET ACTUAL REJECT DEVIATION
REJECTION REPORT -19/5/2016
24. SORTING DATED FROM 13/05/2016 TO 20/05/2016
CARD
O/P
M/C
REJ/DUST
BAG WITHOUT
TP STOPPER CONNECTOR
143854 1478 304 3 153
WELDING COMPLAINT
2WELD PUNCHING OTHERS SORTEDTP STOPPER CONNECTOR % OF REJ
676 556 74 2706 501 141091 4.5
0
500
1000
1500
2000
2500
3000
M/C REJ/DUST BAG WITHOUT WELDING
COMPLAINT
2WELD PUNCHING OTHERS
Sorting
25. 61 13 12 6 5 2 1 100
61%
74%
86%
92%
97%
99% 100%
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0
20
40
60
80
100
120
Punching
problem
Connector comp
ins pro
TP comp
insertion pro
Others Bag w/out TP Bag w/out
connector
2nd weld
problem
Total N
Percentage
Number
Item
Defects in 4UP HF-350 ml transfer bag
Thisbarrepresentsthetotal(N)ofyourpareto.
Caption box.
Month of MAY 2016
26. 4 UP WELDING MONTH WISE
REJECTION REPORT
MONTH TARGET ACTUAL % M/C REJ % SORTING % TOTAL %
OCT 8,75,000 8,60,618 98.3 1.05 2.72 3.74
NOV 8,75,000 7,90,049 90.2 1.07 2.17 3.21
DEC 8,75,000 7,99,608 91.3 1.57 4.33 5.83
JAN 8,75,000 8,36,319 95.5 1.32 3.21 4.49
27. SORTING DETAILS KOREAN (1)
PRODUCTION DATE 26/06/2016
BAG TYPE 350 ml TRANSFER BAG KOR
MASTER BATCH NO A126066KOR
SHIFT A
CAR
D
O/P
M/C
REJ/DU
ST
BAG WITHOUT
TP STOPPER
CONNECT
OR
9976 10 2 3
WELDING COMPLAINT
2WELD
PUNCH
ING
OTHER
S
SORTE
D
T
P STOPPER CONNECTOR
% OF
REJ
1 6 5 3 9976 0.3
33. CAR
DO/P
M/C/
DUST
BAG WITHOUT
TP
STOPPE
R
CONNECTO
R
6108 116 0 0 0
WELD COMPLAINT
2
WELD
PUNCHIN
G
OTHER
S
T
P STOPPER CONNECTOR
0 0 129 8 560 0
14%
0% 0%
0%
0%
0%
16%
1%
69%
0%
CONCLUSION
M/C/DUST BAG WITHOUT TP BAG WITHOUT STOPPER
BAG WITHOUT CONNECTOR WELD COMPLAINT TP WELD COMPLAINT STOPPER
WELD COMPLAINT CONNECTOR 2 WELD PUNCHING
OTHERS
34. Sheet specification with more acceptable level
BATCH : W7623056C1-B
SHIFT : B
DATE : 23/05/2016
PELLET NO : 154730-K76
0.37
0.375
0.38
0.385
0.39
0.395
0.4
0.405
0.5 3.5 6.5 9.5 12.515.518.521.524.527.530.533.536.539.542.545.548.551.554.5
SHEET THICKNESS
PARAMETERS
TEMPERATURE - C1 C2 C3 H D1 D2 D3
IN OC 175 179 182 185 185 185 185
TAKE OFF UNIT NIP ROLL COOLING ROLL EMBOROLL
M/MIN 3.15 3.12 3.06
36. BATCH : W7624056A1-F
SHIFT : A
DATE : 24/05/16
PELLET NO : 154730
0.35
0.36
0.37
0.38
0.39
0.4
0.41
0.42
0.5 3.5 6.5 9.5 12.515.518.521.524.527.530.533.536.539.542.545.548.551.5
THICKNESSI
DISTANCE
SHEET THICKNESSRIGHT LEFT
PARAMETERS
TEMPERATURE - C1 C2 C3 H D1 D2 D3
IN OC 175 179 182 185 185 185 185
TAKE OFF UNIT NIP ROLL COOLING ROLL EMBOROLL
M/MIN 3.15 3.12 3.06
37. Sheets that need to be avoided
BATCH : W7625056A1-A
SHIFT : A
DATE : 25/05/16
PELLET NO : 154730K76
0.32
0.34
0.36
0.38
0.4
0.42
0.44
0.5 3 5.5 8 10.5 13 15.5 18 20.5 23 25.5 28 30.5 33 35.5 38 40.5 43 45.5 48 50.5 53 55.5
SHEET THICKNESS
PARAMETERS
TEMPERATURE - C1 C2 C3 H D1 D2 D3
IN OC 175 179 182 185 185 185 185
TAKE OFF UNIT NIP ROLL COOLING ROLL EMBOROLL
M/MIN 3.15 3.12 3.06
38. BATCH : W7628056A1-G
SHIFT : A
DATE : 28/05/2016
PELLET NO : 154976-K76
0.33
0.34
0.35
0.36
0.37
0.38
0.39
0.4
0.41
0.42
0.43
0.5 3.5 6.5 9.5 12.515.518.521.524.527.530.533.536.539.542.545.548.551.5
SHEET THICKNESS
PARAMETERS
TEMPERATURE - C1 C2 C3 H D1 D2 D3
IN OC 175 179 182 185 185 185 185
TAKE OFF UNIT NIP ROLL COOLING ROLL EMBOROLL
M/MIN 3.15 3.12 3.06
39. Conclusion
Lion share of the rejection is constituted by punching rejection which can be
reduced by maintaining the thickness of input sheet in between 0.38 to 0.42 mm
M/c or dust rejection can be reduced by reducing the rate of degradation in the
extrusion die and also by controlling the floor waste.
Proper maintenance in TP, CONNECTOR and BOV feeding section.
Resorting of the rejected bags.