Short Course Description
Credit points: 3.5
0542-442001 semester: A (2017-18)
Course Title: Theory of Mechanisms and Machinery
Lecturer: Dr. Josef Grunfeld.
Course description:
Lecture and Exercises = 4 hours
1. Introduction, Definitions. Terminology and Assumptions
2. Structural Analysis
Degree of Freedom, Kinematic Chain ? Classification of Mechanisms, Dobrovolski Formula and Gr?bler Formula, Double Kinetic Pairs, Input Link, The Gr?bler-Harisberger Theorem, Kinematic Scheme, Structural Scheme, Assur Modular Groups, Graph of the Mechanisms, Critical Connections, Passive Connections.
3. Kinematic Analysis of the Mechanisms
Position, Displacement, Path of Points, Calculation of Velocities -Methods: Instant Centers of Rotation, Separation of Vectors, Velocity Polygons, Calculation of Acceleration, Acceleration Polygons, Analytical Methods -The Contour Method, Absolute Cartesian Coordinate Method, The Complex Number Method, The Spline Function Method.
4. Gears and Gears Trains
Gearing Theory, Fundamentals Low of Toothed Gearing, Involute, Geometric Calculations, Gear Trains. Classification. Simple Gear Trains, Complex Gear Trains, Planetary and Differentially Gear Trains. Calculation of Transmission Ratio
5. Kinetostatic Analysis of Mechanisms
Forces operating in the Field of Mechanisms: Inertia Forces, Reaction Forces, Friction Forces, Forces and Equivalent Masses.
Prerequisites: Differential and Integral Calculations, Static and Dynamic of Rigid Bodies
Grade is composed of: 15% home exercises, one assignment can be skipped.
Final exam 85%.
Bibliography
1. פסן,ד. שביט, א. תורת המכונות , הוצאה מיכלול בע"מ, 1991
2. Mabie. H., Ockvirk.F, Mechanisms and Dynamics of Machinery, John Wiley and Sons Inc, New York,
3. Martin.G.H , Kinematics and Dynamics of Machines, McGraw-Hill, London.
4. Erdman.A.G, Sandor.G.N, Mechanism Design, Analysis and Synthesis, Prentice Hall New Jersey.
5. Uicker Jr. , J., J. , Pennock , G. , R. , Shigley ,J. , I., Theory ofMachines and Mechanisms, Oxford University Press, New York, 2003.
Full syllabus will be available to registered students only
