KINEMATICS OF MACHINES

Here we are provided this recorded video course which is cover following topics suggested by university syllabus.

GUJARAT TECHNOLOGICAL UNIVERSITY

MECHANICAL ENGINEERING

B.E. 3RD Semester

Subject Code: 2131906

KINEMATICS OF MACHINES

1. Introduction of Mechanisms and Machines: – Concepts of Kinematics and Dynamics, Mechanisms and Machines, Planner and Spatial Mechanisms, Kinematics Pairs, Kinematic Chains, Kinematic Chains, Kinematic Diagrams, Kinematic Inversion. Four bar chain and Slider Crank Mechanisms and their inversion, Degree of freedom, Mobility and range of movement-Kutzbach and Grubler’s criterion, Number Synthesis, Grashof’s criterion.
2. Synthesis and Analysis of Mechanisms:                                                                                                                                        Position analysis (Analytical Technique): Loop closure (Vector Loop) representation of linkages, Position analysis of Four bar, slider crank and inverted slider crank mechanisms, Coupler curve, Toggle and Limit Position, Transmission angle, Mechanical Advantage.                                                                                                                                                                        Dimensional Synthesis: Definitions of Type, Number and Dimensional Synthesis, Definition of Motion, Path and Function generation, precision position. Chebychev spacing, structural error, Freudenstein’s equation, two or three position synthesis (function generation only) of four bar and slider crank mechanisms by graphical and analytical methods.    Velocity and Acceleration Analysis: Velocity and Acceleration Diagrams, Instantaneous Centre of Velocity, Rubbing Velocity, Velocity and Acceleration Images, Corioli’s component of acceleration.                                                                          Special Mechanisms: Straight line mechanisms, Indicator diagram, Hooke’s Joint, Steering Mechanisms.
3. Gear and Gear Trains:                                                                                                                                                                    Gears: Terminology, Law of Gearing, Characteristics of involute and cycloidal action, Interference and undercutting, Centre distance variation, minimum number of teeth, contact ratio, spur, helical, spiral, bevel and worm gear, problems. Gear Trains: Synthesis of Simple, compound & reverted gear trains, Analysis of epicyclic gear trains.
4. Cams and Followers:                                                                                                                                                                                Introduction:  Classification of cams and followers, nomenclature, displacement diagram of follower motion, kinematic coefficients of follower motion.                                                                                                                                                                        Synthesis and Analysis: Determine of basic dimensions and synthesis of cam profiles using graphical methods. Came with specified contours.