Quiz 04 key aa
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Design for manufacturability (DFM) involves optimizing all manufacturing functions like fabrication, assembly, testing, and repair to ensure the lowest costs and highest quality, reliability, safety, and customer satisfaction while meeting regulations. It also aims to prevent design limitations from hindering new product introductions, deliveries, improvement programs, or strategic initiatives, and allows flexibility to respond to changes in demand. The document discusses three proposals to improve manufacturability: breaking a complex part into simpler components that are easier to produce; allowing for tool radii by not designing sharp, square inside corners; and building up a part from three pieces to facilitate milling pockets and keeping corners sharp using shorter end mills.
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Design responsibilities
(1) A new machine is conceived to fulfill a need, with its design involving arrangement of parts and components to best satisfy that need. (2) Mechanical engineering design utilizes mathematics, material sciences, and engineering mechanics to conceive, design, develop, and apply machines and mechanical systems. (3) The mechanical design process involves recognizing needs, defining problems, synthesizing solutions, analyzing and optimizing designs, evaluating designs, and presenting the optimal design.
Prelims project briefx
The document outlines the requirements for a prelims project to design a hydraulically actuated manipulator that can transfer a vertical cylinder from one location to another without human involvement. The manipulator must have a base no larger than 6 inches and use a plastic syringe and hose. It will be operated by a single person. Teams must submit a video presentation of the design process, paper design drawings and calculations, and demonstrate a working model. The project will be graded based on functionality, design documentation, and aesthetics/ergonomics.
Design stages and_prerequisites
The document outlines the stages of machine design including problem recognition and definition, synthesis and analysis, evaluation, and presentation. It discusses the building blocks of machines as mechanisms with moving parts and fixed structures. The document also describes the abilities needed for a good designer such as communication skills, understanding of sciences and processes, and the use of standards to enable interchangeability and replacements.
Technical Advancements if the field of Mechanical engineering
This document discusses technical advancements in manufacturing industries, including the evolution from traditional to concurrent engineering. It describes design for manufacturing, assembly, reliability, and other factors. The document also covers industrial automation, including computing, controllers, actuators, sensors and software. It defines production systems and outlines various types of automation from fixed to programmable to flexible, along with their characteristics. Finally, it briefly mentions the future of these areas.
DFM Design Principles
The document discusses key principles of design for manufacturing (DFM) including minimizing part count, using standard components and materials, designing for tolerances, collaborating with manufacturing, and understanding production processes and costs. It emphasizes reducing costs at each stage of production from components to assembly to overhead. Designs should be optimized through an iterative process of cost analysis and redesign while considering production volumes and other factors.
Unit 2 2 design consideration
This document defines machine design and its considerations. Machine design is using scientific principles and imagination to describe a machine to perform tasks efficiently. The design specifies materials, sizes, and arrangements of mechanical elements. The design aims to optimize parameters, reduce costs, prevent failures, and satisfy prescribed tasks. Computer systems assist in design creation, modification, analysis and optimization. Proper design improves user experience and reduces size/weight while meeting strength, deflection, probability of failure, safety, cost, and other standards.
Dfma ppt
The document discusses various design for manufacturing and assembly (DFMA) principles including: design for machining (standardization, material choice, part size/shape), design for economy (reducing lifecycle costs), design for clampability (ease of clamping parts), design for accessibility (ease of accessing parts), and design for assembly (minimizing parts, using self-locating/fastening features, modular design). It provides guidelines and examples for each principle to facilitate part and product design for efficient manufacturing and assembly.
Design for x : Design for Manufacturing,Design for Assembly
Concurrent engineering is a contemporary approach to DFSS. DFX techniques are part of detail design and are ideal approaches to improve life-cycle cost, quality, increased design flexibility, and increased efficiency and productivity using the concurrent design concepts (Maskell 1991). Benefits are usually pinned as competitiveness measures, improved decision-making, and enhanced operational efficiency. The letter “X” in DFX is made up of two parts: life-cycle processes x and performance measure
Recommended
Design responsibilities
(1) A new machine is conceived to fulfill a need, with its design involving arrangement of parts and components to best satisfy that need. (2) Mechanical engineering design utilizes mathematics, material sciences, and engineering mechanics to conceive, design, develop, and apply machines and mechanical systems. (3) The mechanical design process involves recognizing needs, defining problems, synthesizing solutions, analyzing and optimizing designs, evaluating designs, and presenting the optimal design.
Prelims project briefx
The document outlines the requirements for a prelims project to design a hydraulically actuated manipulator that can transfer a vertical cylinder from one location to another without human involvement. The manipulator must have a base no larger than 6 inches and use a plastic syringe and hose. It will be operated by a single person. Teams must submit a video presentation of the design process, paper design drawings and calculations, and demonstrate a working model. The project will be graded based on functionality, design documentation, and aesthetics/ergonomics.
Design stages and_prerequisites
The document outlines the stages of machine design including problem recognition and definition, synthesis and analysis, evaluation, and presentation. It discusses the building blocks of machines as mechanisms with moving parts and fixed structures. The document also describes the abilities needed for a good designer such as communication skills, understanding of sciences and processes, and the use of standards to enable interchangeability and replacements.
Technical Advancements if the field of Mechanical engineering
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DFM Design Principles
The document discusses key principles of design for manufacturing (DFM) including minimizing part count, using standard components and materials, designing for tolerances, collaborating with manufacturing, and understanding production processes and costs. It emphasizes reducing costs at each stage of production from components to assembly to overhead. Designs should be optimized through an iterative process of cost analysis and redesign while considering production volumes and other factors.
Unit 2 2 design consideration
This document defines machine design and its considerations. Machine design is using scientific principles and imagination to describe a machine to perform tasks efficiently. The design specifies materials, sizes, and arrangements of mechanical elements. The design aims to optimize parameters, reduce costs, prevent failures, and satisfy prescribed tasks. Computer systems assist in design creation, modification, analysis and optimization. Proper design improves user experience and reduces size/weight while meeting strength, deflection, probability of failure, safety, cost, and other standards.
Dfma ppt
The document discusses various design for manufacturing and assembly (DFMA) principles including: design for machining (standardization, material choice, part size/shape), design for economy (reducing lifecycle costs), design for clampability (ease of clamping parts), design for accessibility (ease of accessing parts), and design for assembly (minimizing parts, using self-locating/fastening features, modular design). It provides guidelines and examples for each principle to facilitate part and product design for efficient manufacturing and assembly.
Design for x : Design for Manufacturing,Design for Assembly
Concurrent engineering is a contemporary approach to DFSS. DFX techniques are part of detail design and are ideal approaches to improve life-cycle cost, quality, increased design flexibility, and increased efficiency and productivity using the concurrent design concepts (Maskell 1991). Benefits are usually pinned as competitiveness measures, improved decision-making, and enhanced operational efficiency. The letter “X” in DFX is made up of two parts: life-cycle processes x and performance measure
Unit I- general consideration
Design involves formulating a plan to satisfy a particular need and create something with physical reality. When designing a chair, factors like purpose, intended user (adult or child), material strength and cost, aesthetics, and ergonomics must be considered. Machine design uses technical information, scientific principles, and imagination to design machines to perform specific functions with maximum economy and efficiency. This document discusses various machine design considerations and principles like types of loads, material selection, and theories of failure.
Module 4: Design For X
This document discusses design for X (DFX), which refers to designing products to meet a wide range of criteria beyond just functionality and cost. It covers key aspects of DFX including design for manufacturability (DFM), design for assembly (DFA), and design for reliability. The document provides guidelines for DFM and DFA such as reducing part count, designing for modularity, using standard components, and designing for ease of handling and assembly. It also discusses error-proofing techniques like poka-yoke and snap-fit joints that can improve the manufacturing and assembly process. Overall, the document outlines how considering factors like quality, safety, manufacturing, and life cycle from the early design stages can help optimize a product
Engineering Design: Prototype to Product-Planning, Scheduling, Inventory Cost...
The document discusses prototyping, rapid prototyping, and testing and evaluation of designs. It states that prototyping involves building a first fully operational production of a design solution to test it under real conditions, while rapid prototyping uses 3D printing to quickly fabricate a scale model from 3D CAD data. Testing and evaluation allows customers to provide feedback, identify faults, and suggest improvements before finalizing production costs and design.
DME 1 module-1
This document outlines the syllabus for a course on Design of Machine Elements - I. It includes information on textbooks, reference books, modules, and topics to be covered. The course will cover the design process, analysis of forces on machine components, design for static strength, failure theories, stress concentration, and fundamentals of mechanical engineering design. It will consist of 3 hours of lectures and 2 hours of tutorials per week over 10 weeks. The first module will cover the introduction to design process, phases of design, engineering materials and properties, manufacturing processes, codes and standards, loading conditions, stresses, and design for static strength.
Chapter 6 basic design for assembly
The document discusses the principles of Design for Assembly (DFA). It outlines several generally accepted DFA guidelines: [1] minimize the number of parts to reduce assembly steps, [2] design for fewer assembly movements by orienting features in the same direction, [3] include self-aligning features to ease assembly, [4] eliminate visual obstructions of assembly features, [5] reduce the number of required tools, and [6] use symmetrical parts to simplify alignment during assembly. The overall goal of DFA is to design products that can be assembled efficiently.
Design and Engineering Module 3: Prototype to Product
As per KTU Syllabus Design and Engineering
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Planning; Scheduling; Supply chains; inventory; handling; manufacturing/construction operations; storage; packaging; shipping; marketing; feed-back on design.
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The document summarizes the design for manufacturing and assembly of a folding chair. It discusses the old design of the chair which had many parts and complex manufacturing processes. The new design concept aims to reduce the number of parts to just three frames and a seat, all made from the same ABS material, which can be easily snap-fitted together. This simplifies manufacturing and assembly while reducing costs. DFMA and DFA principles and software are used to analyze the old design and develop the new concept chair.
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The document discusses design for manufacturability guidelines for sheet metal parts. It outlines several key DFM parameters like minimum bend radius, hole placement, cutout distances, notches and reliefs. Ignoring these guidelines can cause issues like cracks, deformation and breakage. Traditional DFM methods are manual and problematic. Automating DFM checks in a software tool called DFMPro allows early validation of designs and avoidance of costly rework. A case study of a hi-tech manufacturer found annual part cost savings of over 2 million euros through use of DFMPro's automated DFM analysis and guidelines.
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The document discusses applications of design for manufacture and assembly (DFMA) principles. It provides examples of how DFMA has been applied to improve products designed for developing world contexts. One example is a redesigned pineapple juicer that had fewer parts, lower production costs, and was easier to manufacture due to applying modified DFMA principles. Another example discusses reducing the part count and assembly time of a stapler through DFMA analysis. The document also outlines DFMA methodologies and principles that were developed to help designers lower costs and improve producibility, such as reducing part count, standardizing materials, and designing for automated production when feasible.
Communicating Designs
Throughout the design process team members should communicate properly to avoid design entanglement and other issues
The proper communication between client, designer, marketing specialist, production engineer etc. will help to improve any designs.
Communication issues may leads to too many design failures and other post production problems
Lo # 1 manufacturing process selection design part 1
The document discusses key factors to consider for design for manufacturing and assembly (DFMA). It identifies 10 rules for reducing manufacturing costs and difficulty: 1) reduce the total number of parts, 2) develop a modular design, 3) use standard components, 4) design for multi-functionality, 5) design for multi-use, 6) design for ease of fabrication, 7) avoid separate fasteners, 8) minimize assembly directions, 9) maximize compliance during assembly, and 10) minimize part handling. The document emphasizes that 70% of manufacturing costs are determined during the design phase, so DFMA principles should be followed to optimize production efficiency and costs.
DFMA
This document discusses design for manufacturing and assembly (DFMA) principles. It defines DFMA as designing products to be easily and efficiently manufactured and assembled with minimal effort, time and cost. The document outlines general DFMA principles such as minimizing part count, using modular designs, making parts multifunctional, and using standard parts. It also lists advantages of applying DFMA such as reduced costs, higher quality, and increased reliability. DFMA software is mentioned as a tool to implement DFMA techniques and identify cost savings.
288_Muffler(1).pdf
1) The document describes a practical methodology for designing, developing, and validating mufflers using both computational and experimental methods. It involves benchmarking existing muffler designs, calculating target frequencies, determining muffler volume, conceptualizing internal configurations, conducting virtual simulations, manufacturing prototypes, and experimentally testing prototypes.
2) Key steps include calculating cylinder firing rates and engine firing frequencies to determine target attenuation frequencies, conceptualizing muffler internal configurations using perforated tubes and other elements, virtually simulating muffler transmission loss and back pressure, manufacturing low-cost prototypes, and experimentally testing prototypes using two-source transmission loss methods.
3) The goal is to shorten the product development cycle time by leveraging both computational acoustic tools and practical testing
Discus DFM
DISCUS DFM focuses on characteristic management at an earlier stage in the product lifecycle when a manufacturing engineer is analyzing the detailed design of the part. In fact, by helping to define the applicable specs and annotations to include on the design, DISCUS DFM can actually assist with the definition of the Technical Data Package (TDP).
DISCUS DFM picks up where today’s leading CAD tools leave off by empowering the product team to consider the key considerations for manufacturing the part. An overview of the flow:
You start DISCUS by opening the native 3D CAD model in the model/drawing panel.
DISCUS will automatically review the model and its associated PMI and add the balloons to the model and the rows in the Bill of Characteristics.
You select the appropriate part family and likely list of manufacturing processes to consider for fabricating the part.
At this point, DISCUS DFM enables you to evaluate the part DFM by applying rules associated with the part’s features and characteristics versus the likely manufacturing processes.
The evaluation of the part against the integrated manufacturing knowledgebase results in a list of pertinent DFM constraints, recommended annotations/PMI for the part, and more.
When you're completed the analysis of the model, you can export the DFM data for review with the DFM engineer or the entire Integrated Product Team.
With DISCUS DFM, you consistently and correctly add the vital details to the design, giving you the ability to manufacture the new part right the first time. DISCUS DFM is the tool to improve the quality and productivity of your engineers.
Design for 'X' and be prepared for anything
1) Design for X (DFX) principles aim to reduce errors and improve quality and cost efficiency of medical products by considering factors like manufacturing, assembly, maintenance, and end-of-life processing from the early design stages.
2) Applying DFX techniques like design for manufacturing and assembly (DFMA) and design for production can significantly reduce costs by catching issues early rather than requiring expensive redesigns later.
3) Other DFX aspects to consider include design for use and ergonomics to ensure safe and intuitive use, as well as design for end-of-life processing to allow for proper disposal or recycling of medical devices.
Product design and manufacture lecture 1
This document summarizes the key steps in the product design process, which generally consists of six iterative steps: recognition of need, definition of problem, synthesis, analysis and optimization, evaluation, and presentation. It also outlines the main tasks in computer-aided design (CAD), which include geometric modeling, engineering analysis, design review and evaluation, and automated drafting to aid the design process.
Resurrect Manufacturing 2009 DFMA Forum
- Systematic DFMA (Design for Manufacturing and Assembly) deployment is proposed as a back-to-basics approach to reduce costs and increase profits in manufacturing through design changes.
- Key aspects of a systematic DFMA deployment include establishing organizational support and accountability, selecting high-impact projects, allocating resources, executing projects through 5 milestones, and tracking savings.
- When done systematically and considering organizational factors, DFMA can yield part count reductions of 20-50%, labor time reductions of 20-60%, and cost savings of 20-50% across industries.
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To provide an overview of Design for Manufacturing and Assembly (DFMA) techniques, which are used to minimize product cost through design and process improvements.
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Unit I- general consideration
Design involves formulating a plan to satisfy a particular need and create something with physical reality. When designing a chair, factors like purpose, intended user (adult or child), material strength and cost, aesthetics, and ergonomics must be considered. Machine design uses technical information, scientific principles, and imagination to design machines to perform specific functions with maximum economy and efficiency. This document discusses various machine design considerations and principles like types of loads, material selection, and theories of failure.
Module 4: Design For X
This document discusses design for X (DFX), which refers to designing products to meet a wide range of criteria beyond just functionality and cost. It covers key aspects of DFX including design for manufacturability (DFM), design for assembly (DFA), and design for reliability. The document provides guidelines for DFM and DFA such as reducing part count, designing for modularity, using standard components, and designing for ease of handling and assembly. It also discusses error-proofing techniques like poka-yoke and snap-fit joints that can improve the manufacturing and assembly process. Overall, the document outlines how considering factors like quality, safety, manufacturing, and life cycle from the early design stages can help optimize a product
Engineering Design: Prototype to Product-Planning, Scheduling, Inventory Cost...
The document discusses prototyping, rapid prototyping, and testing and evaluation of designs. It states that prototyping involves building a first fully operational production of a design solution to test it under real conditions, while rapid prototyping uses 3D printing to quickly fabricate a scale model from 3D CAD data. Testing and evaluation allows customers to provide feedback, identify faults, and suggest improvements before finalizing production costs and design.
DME 1 module-1
This document outlines the syllabus for a course on Design of Machine Elements - I. It includes information on textbooks, reference books, modules, and topics to be covered. The course will cover the design process, analysis of forces on machine components, design for static strength, failure theories, stress concentration, and fundamentals of mechanical engineering design. It will consist of 3 hours of lectures and 2 hours of tutorials per week over 10 weeks. The first module will cover the introduction to design process, phases of design, engineering materials and properties, manufacturing processes, codes and standards, loading conditions, stresses, and design for static strength.
Chapter 6 basic design for assembly
The document discusses the principles of Design for Assembly (DFA). It outlines several generally accepted DFA guidelines: [1] minimize the number of parts to reduce assembly steps, [2] design for fewer assembly movements by orienting features in the same direction, [3] include self-aligning features to ease assembly, [4] eliminate visual obstructions of assembly features, [5] reduce the number of required tools, and [6] use symmetrical parts to simplify alignment during assembly. The overall goal of DFA is to design products that can be assembled efficiently.
Design and Engineering Module 3: Prototype to Product
As per KTU Syllabus Design and Engineering
Prototyping- rapid prototyping; testing and evaluation of design; Design modifications; Freezing the design; Cost analysis. Engineering the design – From prototype to product.
Planning; Scheduling; Supply chains; inventory; handling; manufacturing/construction operations; storage; packaging; shipping; marketing; feed-back on design.
DFMA of Folding Chair
The document summarizes the design for manufacturing and assembly of a folding chair. It discusses the old design of the chair which had many parts and complex manufacturing processes. The new design concept aims to reduce the number of parts to just three frames and a seat, all made from the same ABS material, which can be easily snap-fitted together. This simplifies manufacturing and assembly while reducing costs. DFMA and DFA principles and software are used to analyze the old design and develop the new concept chair.
Design for Manufacturability Guidelines Every Designer should Follow
The document discusses design for manufacturability guidelines for sheet metal parts. It outlines several key DFM parameters like minimum bend radius, hole placement, cutout distances, notches and reliefs. Ignoring these guidelines can cause issues like cracks, deformation and breakage. Traditional DFM methods are manual and problematic. Automating DFM checks in a software tool called DFMPro allows early validation of designs and avoidance of costly rework. A case study of a hi-tech manufacturer found annual part cost savings of over 2 million euros through use of DFMPro's automated DFM analysis and guidelines.
Aspects of Engineering Design:Objective, Constraints, Functions & Means
Design objectives
Design constrains
Design functions
Design Means
Design Form
Strength-based design and Function-based design
DFMA -Design For Manufacturing and Assembly
The document discusses applications of design for manufacture and assembly (DFMA) principles. It provides examples of how DFMA has been applied to improve products designed for developing world contexts. One example is a redesigned pineapple juicer that had fewer parts, lower production costs, and was easier to manufacture due to applying modified DFMA principles. Another example discusses reducing the part count and assembly time of a stapler through DFMA analysis. The document also outlines DFMA methodologies and principles that were developed to help designers lower costs and improve producibility, such as reducing part count, standardizing materials, and designing for automated production when feasible.
Communicating Designs
Throughout the design process team members should communicate properly to avoid design entanglement and other issues
The proper communication between client, designer, marketing specialist, production engineer etc. will help to improve any designs.
Communication issues may leads to too many design failures and other post production problems
Lo # 1 manufacturing process selection design part 1
The document discusses key factors to consider for design for manufacturing and assembly (DFMA). It identifies 10 rules for reducing manufacturing costs and difficulty: 1) reduce the total number of parts, 2) develop a modular design, 3) use standard components, 4) design for multi-functionality, 5) design for multi-use, 6) design for ease of fabrication, 7) avoid separate fasteners, 8) minimize assembly directions, 9) maximize compliance during assembly, and 10) minimize part handling. The document emphasizes that 70% of manufacturing costs are determined during the design phase, so DFMA principles should be followed to optimize production efficiency and costs.
DFMA
This document discusses design for manufacturing and assembly (DFMA) principles. It defines DFMA as designing products to be easily and efficiently manufactured and assembled with minimal effort, time and cost. The document outlines general DFMA principles such as minimizing part count, using modular designs, making parts multifunctional, and using standard parts. It also lists advantages of applying DFMA such as reduced costs, higher quality, and increased reliability. DFMA software is mentioned as a tool to implement DFMA techniques and identify cost savings.
288_Muffler(1).pdf
1) The document describes a practical methodology for designing, developing, and validating mufflers using both computational and experimental methods. It involves benchmarking existing muffler designs, calculating target frequencies, determining muffler volume, conceptualizing internal configurations, conducting virtual simulations, manufacturing prototypes, and experimentally testing prototypes.
2) Key steps include calculating cylinder firing rates and engine firing frequencies to determine target attenuation frequencies, conceptualizing muffler internal configurations using perforated tubes and other elements, virtually simulating muffler transmission loss and back pressure, manufacturing low-cost prototypes, and experimentally testing prototypes using two-source transmission loss methods.
3) The goal is to shorten the product development cycle time by leveraging both computational acoustic tools and practical testing
Discus DFM
DISCUS DFM focuses on characteristic management at an earlier stage in the product lifecycle when a manufacturing engineer is analyzing the detailed design of the part. In fact, by helping to define the applicable specs and annotations to include on the design, DISCUS DFM can actually assist with the definition of the Technical Data Package (TDP).
DISCUS DFM picks up where today’s leading CAD tools leave off by empowering the product team to consider the key considerations for manufacturing the part. An overview of the flow:
You start DISCUS by opening the native 3D CAD model in the model/drawing panel.
DISCUS will automatically review the model and its associated PMI and add the balloons to the model and the rows in the Bill of Characteristics.
You select the appropriate part family and likely list of manufacturing processes to consider for fabricating the part.
At this point, DISCUS DFM enables you to evaluate the part DFM by applying rules associated with the part’s features and characteristics versus the likely manufacturing processes.
The evaluation of the part against the integrated manufacturing knowledgebase results in a list of pertinent DFM constraints, recommended annotations/PMI for the part, and more.
When you're completed the analysis of the model, you can export the DFM data for review with the DFM engineer or the entire Integrated Product Team.
With DISCUS DFM, you consistently and correctly add the vital details to the design, giving you the ability to manufacture the new part right the first time. DISCUS DFM is the tool to improve the quality and productivity of your engineers.
Design for 'X' and be prepared for anything
1) Design for X (DFX) principles aim to reduce errors and improve quality and cost efficiency of medical products by considering factors like manufacturing, assembly, maintenance, and end-of-life processing from the early design stages.
2) Applying DFX techniques like design for manufacturing and assembly (DFMA) and design for production can significantly reduce costs by catching issues early rather than requiring expensive redesigns later.
3) Other DFX aspects to consider include design for use and ergonomics to ensure safe and intuitive use, as well as design for end-of-life processing to allow for proper disposal or recycling of medical devices.
Product design and manufacture lecture 1
This document summarizes the key steps in the product design process, which generally consists of six iterative steps: recognition of need, definition of problem, synthesis, analysis and optimization, evaluation, and presentation. It also outlines the main tasks in computer-aided design (CAD), which include geometric modeling, engineering analysis, design review and evaluation, and automated drafting to aid the design process.
Resurrect Manufacturing 2009 DFMA Forum
- Systematic DFMA (Design for Manufacturing and Assembly) deployment is proposed as a back-to-basics approach to reduce costs and increase profits in manufacturing through design changes.
- Key aspects of a systematic DFMA deployment include establishing organizational support and accountability, selecting high-impact projects, allocating resources, executing projects through 5 milestones, and tracking savings.
- When done systematically and considering organizational factors, DFMA can yield part count reductions of 20-50%, labor time reductions of 20-60%, and cost savings of 20-50% across industries.
DFMA design for manufacturing and assembly
Purpose Statement:
To provide an overview of Design for Manufacturing and Assembly (DFMA) techniques, which are used to minimize product cost through design and process improvements.
Design and Engineering-Module 6:Modular Design, Design Optimization, Internet...
Modular design; Design optimization; Intelligent and
autonomous products; User interfaces; communication
between products; autonomous products; internet of
things; human psychology and the advanced products.
Design as a marketing tool; Intellectual Property rights –
Trade secret; patent; copyright; trademarks; product
liability.
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This document provides information about product design, including ways that good product design can increase organizational efficiencies, the relationship between product design and customer service/internal efficiencies, reasons why Henry Ford's message about efficiencies may have been lost, merits and demerits of using plastic materials in products, how design for manufacturing (DFM) relates to value engineering (VE), and the importance of ease of disassembling in product design. It also includes sample questions about topics like concurrent engineering, design for reliability, life cycle costs, and incorporating customer requirements into design.
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DESIGN FOR MANUFACTURING AND ASSEMBLY.A really good insight of DFA and DFM. Also includes a very precise and appealing caste study on aimplemention of DFMA on a motor drive assembly.
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This document discusses design for manufacturing and assembly (DFMA) and its application to product design and cost reduction. It provides an example of applying DFMA principles to redesign a folding chair. The original chair design had 9 parts while the redesigned version reduced this to 3 parts, lowering assembly time and production costs. Specifically, the redesign removed redundant parts, simplified frames, and used spot welding. This reduced the cost per chair from Rs. 675 to Rs. 607 for a batch of 1,000 chairs. In conclusion, applying DFMA optimization principles can significantly improve productivity and lower manufacturing costs through part reduction, ease of assembly, material selection, and process choice.
Dealing with Component Shortages That Impact Battery Packs Design
As you know, component shortages are impacting product lead times around the world. Advanced smart battery packs and chargers are no exception. Over recent years, electronic circuit functionality has been consolidated into smaller ICs that can manage a lot of functionality into small, easy-to-use single ICs. Unfortunately, these ICs are single-sourced ICs with lead times stretching beyond 80 weeks. These extremely long lead times can kill projects and companies.
In this webinar, we reviewed methods that we use to minimize or eliminate these single-sourced components used in battery pack manufacturing. Along with ways to layout circuit boards to allow component flexibility preventing redesigns, and methods to use firmware to reduce dependencies on sole-sourced parts.
For more information on our custom battery pack solutions, visit https://www.epectec.com/batteries.
Difference between DFM, DFA, DFMA with good explanation
The document discusses design for manufacturing and assembly (DFMA). It describes how Boothroyd and Dewhurst pioneered work on DFMA in the 1970s by analyzing existing product designs and developing guidelines to improve designs based on manufacturing and assembly ease. Their methods evaluate assembly efficiency and identify opportunities to reduce part count, simplify assembly operations, and make designs more amenable to different assembly methods like manual, robotic, or high-speed automated assembly. The document provides examples of applying DFMA principles and guidelines to redesign products for improved assembly efficiency.
Demystifying Designing for ‘X’ by ProTek Medical
http://www.protek.ie/
Annette Carty-Mole B.Eng (Hons)
Design Engineer, ProTek Medical
When a company is given the task of designing a
new product or redesigning an existing product, it
is important to keep in mind the three main goals
of cost, quality and speed. These goals can be
further split into more quantitative criteria which
are relevant throughout the product’s life cycle.
Designing for manufacture and assembly are typical
examples of two criteria which will have a large
impact on the cost, quality and speed at which the
product is developed. The methodology of design
that meets an all-encompassing range of criteria is
known as designing for ‘X’.
Lo #1 design factors in manufacturing processes (sept 2015)
The document discusses design for manufacturing and assembly (DFMA). It provides 11 general principles for DFMA, including minimizing the number of components, using standard parts, designing for ease of manufacturing and assembly, establishing tolerances within production capabilities, using modular designs, and eliminating unnecessary adjustments. Following DFMA principles leads to benefits like shorter time to market, lower production costs, higher product quality, and greater customer satisfaction.
Etm551 lecture10
This document discusses design for manufacturing (DFM) principles and practices. It explains that DFM involves considering manufacturability throughout the product development process. Key aspects of DFM include estimating manufacturing costs, reducing costs of components and assembly, and ensuring design decisions minimize production costs while meeting quality standards. DFM is a cross-functional approach that requires inputs from various teams to optimize a design for manufacturing.
DFMA.ppt
DFM is the design of parts for ease of manufacturing to reduce costs, while DFA focuses on ease of assembly. Both aim to lower material, overhead, and labor expenses. DFM objectives include estimating manufacturing costs, reducing component and production support costs. DFA assists with minimum cost assembly by reducing parts and operations. Key differences are that DFA only considers assembly costs while DFM reduces overall production costs, and DFA favors complex individual parts while DFM prioritizes simple manufacturing.
Dfma
This document discusses concepts related to product design for manufacturing and assembly (DFMA). It defines DFMA as the combination of design for manufacturing (DFM) and design for assembly (DFA) to efficiently manufacture and easily assemble products with minimum cost. The document outlines several key principles of DFMA, including reducing the number of parts, designing for ease of fabrication and manufacturing, utilizing common parts and materials, and mistake-proofing designs. The overall goal of DFMA is to integrate product design with manufacturing processes to lower costs and shorten development time.
Designformodularity
Modular design aims to standardize parts and assemblies across product lines to reduce costs. The document discusses modular design approaches at different levels, from standardizing small parts ("bottom up" modularity) to defining interfaces between larger sub-assemblies ("top down" modularity). It also describes how one company implemented modular redesign of a load backrest assembly using DFMA software, reducing 12 variants down to 3 modular designs to streamline manufacturing. Proper interface specification and control are critical for modular design success.
Design for manufacture_and_assembly
The document discusses design for manufacture and assembly (DFMA) principles and guidelines. DFMA aims to design products so they can be easily and efficiently manufactured and assembled with minimal effort, time and cost. Key principles include minimizing part count, making parts multi-functional, using standard parts and hardware, designing for modular assembly and ease of handling, and considering manufacturability in tolerances. Following DFMA leads to lower assembly costs and time, increased reliability, and shorter time to market.
7-vcc-how-to-design-for-manufacture-and-assembly (1).pdf
1. The document provides guidance from Rolls-Royce on how to design products for manufacture and assembly (DFMA). It explains that DFMA aims to minimize product costs through the lifecycle by making products simpler to manufacture and assemble.
2. The document covers DFMA principles and reviews design for assembly and design for manufacturing guidelines. It provides examples of how to reduce part counts, simplify handling and insertion, and prevent assembly errors.
3. Design for manufacturing guidelines include selecting cost-effective materials and processes, and standardizing sizes to reduce costs. Applying DFMA is presented as an ongoing, cross-functional process starting early in design.
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Dealing with Component Shortages That Impact Battery Packs Design
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