Phases of design – General requirements for material and process selection, effect of material properties and manufacturing process on design – DFA Guidelines – Design for Additive Manufacturing – Design for Environment - Computer aided DFMA

Introduction to GD&T – Limits, fits &tolerances – geometric tolerances, feature tolerances, cost aspects – MMC & LMC - cumulative tolerance – interchangeability and selective assembly – shims – runout and axial play. Influence of Material, Manufacturing process on design - Possible solutions - Materials choice – Welding and forging guidelines.

Design guidelines for machining operations – turning - machining - drilling – grinding operationskeyways - Doweling procedures, counter sunk screws - Design for machinability - Design for economy - Design for clampability – Design for accessibility

Design guidelines for sand casting and die casting - 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

General design guidelines for manual and 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