10ME751 Mechanism Design syllabus for ME


Part A
Unit-1 Planar Mechanisms and Geometry of Motion 7 hours

Definitions and basic concepts, Classification of links, Classification of pairs, Mechanism and machine, Inversions, Grashoff’s law, Transmission of torque and force in mechanisms, Mobility, Degree of freedom permitted by joints other than turning and sliding, Equivalent mechanisms, Unique mechanisms.

Unit-2 Number Synthesis 6 hours

Effect of even or odd number of links on degree of freedom, Minimum number of binary links in a mechanism, Minimum possible number of turning pairs, Enumeration of kinematic chain, Degree of freedom of special mechanisms.

Unit-3 Synthesis of Linkages 7 hours

Type, Number and dimensional synthesis, Function generation, Path generation and body guidance, Precision positions,Structural error, Chebychev spacing, Two position synthesis of slider crank mechanisms, Crank-rocker mechanisms with optimum transmission angle.

Unit-4 Motion Generation 6 hours

Poles and relative poles, Relative poles of 4-bar mechanism, Relative poles of slider crank mechanism.

Part B
Unit-5 Graphical Methods of Dimensional Synthesis 6 hours

Two position synthesis of crank and rocker mechanisms, Three position synthesis, Four position synthesis (point position reduction), Overlay method.

Unit-6 Coupler Curves 7 hours

Equation of coupler curves, Synthesis for path generation, Graphical synthesis for path generation, Robert-Chebyshev theorem (cognate linkages), Coupler curves from 5-bar mechanisms, Examples.

Unit-7 Analytical Methods of Dimensional Synthesis 6 hours

Freudenstein’s equation for 4-bar mechanism and slider crank mechanism, Examples, Bloch’s method of synthesis.

Unit-8 Cams 7 hours

Introduction, Pressure angle, Parameters affecting pressure angle, Effect of offset follower motion, Radius of curvature and undercutting, Cams with specified contours.

Last Updated: Tuesday, January 24, 2023