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SYLLABUS

UNIT-I

Introduction:Design philosophy-steps in design process-general design rules for manufacturabilityBasic principles of designing for economical production-Creativity in design. Design for the life cycle total product life of consumer goods-design considerations.

UNIT-II

Machining processes: Overview of various machining processes-General design rules for machiningdimensional tolerance and surface roughness-Design for machining - ease - Redesigning of components for machining ease with suitable examples. General design recommendations for machined parts.

UNIT-III

Metal Casting: Appraisal of various casting processes, selection of casting process-General design considerations for casting-Casting tolerance-Use of solidification, simulation in casting design-Product design rules for sand casting.

UNIT-IV

Metal Joining: Appraisal of various welding processes, factors in design of weldments - general design guidelines pre and post treatment of welds effects of thermal stresses in weld joints design of brazed joints. Forging: Design factors for forging - closed die forging design - parting lines of dies - drop forging die design–general design recommendations.

UNIT-V

extrusion & sheet metal work: Design guide lines extruded sections-design principles for punching, blanking, bending, deep drawing-Keeler goodman forging line diagram - component design for blanking. UNIT-VI Plastics: Visco elastic and creep behaviour in plastics-design guidelines for plastic component design considerations for injection moulding - Design guidelines for machining and joining of plastics.