Course Details
Subject {L-T-P / C} : ID6336 : Product Design for Manufactruing and Assembly { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. B.B.V.L. Deepak
Syllabus
Material and process selection – Introduction, Advantages of applying DFMA, General requirements of early materials and process selection, Selection of Manufacturing processes, Process capabilities, Selection of materials, Primary process/ materials selection, Systematic selection of processes and materials. Engineering Design features. – Dimensioning, Tolerances, General Tolerance, Geometric Tolerances, Assembly limits, achieving larger machining tolerances. Screw threads, Ground surfaces, holes.Examples. Datum features – Functional datum, Machining sequence, manufacturing datum, changing the datum. Examples. Component design – Machining Considerations – Drills, Milling cutters, Drilling, Keyways, Dowels, Screws, Reduction in marhining areas, Simplification by separation and amalgamation, work piece holding, surface grinding, Examples. Component design – Casting Considerations – Pattern, Mould, parting line, cast holes, machined holes, identifying parting line, special sand cores, designing to obviate sand cores. Examples. Design for Injection molding and Sheet metal working – Injection molding materials, Molding cycle, Systems, molds, machine size, cycle time, Cost estimation, Insert molding, Design guidelines, Introduction to sheet metalworking, Dedicated Dies and Press working, Press selections, Design Rules. Design for Die casting and Powder metal processing – Die casting alloys, cycle, machines, dies, finishing, Assembly techniques, Design principles, Powder metallurgy processing, stages, compaction characteristics, Tooling, Sintering, Design guidelines. Geometric Tolerance – Symbols, Three datum concept of dimensioning, Straightness, concentricity, Run-out, Location Tolerance, Assembly of parts having concentric cylinders, Control of feature location by true position, Body of revolution, Roundness, Profile dimensioning, Tapers, Shaft of two diameters. Examples.
Course Objectives
- • Awareness on tool design concepts for manufacturing processes.
Course Outcomes
The course is designed to help students to achieve the following outcomes <br />• Awareness on tool design concepts for manufacturing processes. <br />• Awareness on fabrication of different products.
Essential Reading
- • G. Boothroyd, P. Dewhurst and W. Knight, Product Design for Manufacture and Assembly, Marcel Dekker
- • H. Peck, Designing for Manufacturing, Pitman Publications
Supplementary Reading
- • M. F. Spotts, Dimensioning and Tolerancing for Quantity Production, Prentice Hall, Inc. Englewood Cliffs
- • H. Peck, Designing for Manufacturing, Pitman Publications
Journal and Conferences
- Ergonomics in Design, Applied Ergonomics
- International Conference on Research into Design