DESIGN OF MACHINE ELEMENTS (MEE302) Proposed Syllabus MEE302 DESIGN OF MACHINE ELEMENTS 2 1 0 3 Version No. 1.02 Prerequisite: MEE214 Strength of Materials Objectives: 1. To understand the design methodology for machine elements. 2. To analyze the forces acting on a machine element and apply the suitable design methodology. 3. To understand the various standards and methods of standardization. 4. To apply the concept of parametric design and validation by strength analysis. Expected Outcome: Student will be able to 1. Analyze and select machine elements/components. 2. Know the applications of the various elements, materials used to make them, and methods used 3. Integrate various machine elements and components into the design of a machine or mechanical system through a design project. Unit I Introduction to Design Process Introduction to Design process – Factors – Materials selection, Direct, Bending and Torsional stress equation - Impact and Shock loading - Stress concentration factor - Size factor - Surface limits factor - Factor of safety - Design stress - Theories of failures – Problems. Unit II Fatigue strength and design of springs Variable and cyclic loads – Fatigue strength – S- N curve – Continued cyclic stress – Soderberg and Goodman equations. Design of Helical – Leaf - Disc springs under Constant and Varying loads. Unit III Design of Shafts and Joints Design of Shafts – Design of Riveted joints, Welded joints and Screwed fasteners, Computer aided design of machine elements. Unit IV Design of Couplings Design of couplings – Rigid and Flexible .Design of Cotter joints - Knuckle joints, Computer aided design of machine elements Unit V Design of Engine Components Design of Piston – Cylinder, Connecting rod – Crankshaft – Flywheel, Computer aided design of machine elements. Text Books 1. Joseph Edward Shigley and Charles, R. Mischke, (2000), Mechanical Engineering Design, McGraw –Hill International Editions. 2. Joseph Edward Shigley and Charles, R. Mischke, (2008) Mechanical Engineering 657 Proceedings of the 26th Academic Council held on 18.5.2012