Subject Details
Dept     : MECH
Sem      : 6
Regul    : 2019
Faculty : Dr.V.Karthi
phone  : NIL
E-mail  : karthiv.v.mech@snsct.org
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Lecture Notes

UNIT 1:
Phases of design General requirements for material
Process selection Effect of material properties
Manufacturing process on design DFA Guidelines
Design for Additive Manufacturing Design for Environment Computer aided DFMA.
UNIT 2:
Introduction to GD&T Limits, fits & tolerances – geometric tolerances, feature tolerances, cost aspects
Introduction to GD&T Limits, fits & tolerances – geometric tolerances, feature tolerances, cost aspects
MMC & LMC Cumulative tolerance Interchangeability and selective assembly
Shims – run out and axial play Influence of Material, Manufacturing process on design
Possible solutions - Materials choice Welding and forging guidelines
UNIT 3:
Design guidelines for machining operations Turning - machining Drilling – grinding operations
Keyways - Doweling procedures Counter sunk screws
Design for machinability Design for economy
Design for clampability Design for accessibility
UNIT 4:
Minimizing core requirements Machined holes
Minimizing core requirements Machined holes
Redesign of cast members to obviate cores Identification of uneconomical design
Modifying the design Group technology
Computer Applications for DFMA
UNIT 5:
General design guidelines for manual General design guidelines for automated assembly,
Part handling issues Guidelines for fastening Effect of part symmetry on handling time
Effect of part thickness Size, weight on handling time
Part insertion considerations Case studies on DFMA
CBS – Display mode of the models
CBS – Display mode of the models