Course Details

1. Design and calculate gears. Calculate forces on gears.
2. Design and calculate spur and helical gears.
3. Design and calculate bevel and worm gears.
4. Design and calculate mechanical springs (load, stresses, selection of material). Apply mechanical springs on machines and engineering mechanisms.
5. Calculate clutches and brakes.
6. Calculate and design power transition systems using belts.
7. Calculate roller chains, wire ropes, flexible shafts.

�         Various types of Gear: – General, Introduction to gears, Types of gears, Tooth system, Contact ratio, Force analysis, Applications of gear design and power transmission in mechanical drives.

�         Spur and Helical Gears: Calculations, Force analysis, stresses, strains, geometry, applications, drawings.

�         Bevel and Worm Gears: Calculations, Force analysis, stresses, geometry, applications.

�         Mechanical Spring: Various types and applications of springs, Stresses in helical springs, Deflection of helical springs, Extension and Compression springs, Springs material, Fatigue loading, Design of springs, Miscellaneous springs.

�         Clutches and Breaks Brake: Geometry and operations analysis, Band-type clutches and brakes, Energy consideration, Temperature rise, Friction materials.

�         Power transmission components: Competition of the design of a power transmission, Flat belts, Roller chain, Wire rope, Flexible shaft.

�         Laboratory work: Use of special software for calculating and drawing of various machine element (Autocad, 3D Drawings, Advanced assembly, SolidWorks, Simple Drawings and FEM Simulations, Software for machine elements calculations)

• Fundamentals of Machine Elements, B. J. Hamrock, B. Jacobson, S. R. Scmid, Mcgraw-Hill
• Mechanical Engineering Design, Ch. R. Mischke, J. Edward Shigley, McGraw-Hill

• Mechanical Design, An Integrated Approach, Ansel C. Ugural, Mcgraw Hill, 2004.
• Mechanisms and mechanical devices by Neil Clater, Nichocals P. Chironis, Third Edition 2001
• Fundamental of Machines Components Design, Robert C. Juvinall, Kurt M. Marshek, Third Edition, 2000
• Machine Design: An Integrated Approach by Robert L. Norton, Robert L Norton, Prentice Hall, 2nd edition, 2000
• Machine Elements in Mechanical Design by Robert L. Mott, Prentice Hall, 3rd edition, 1998

Lectures, laboratories and tutorials are used in this subject and assignments are performed to evaluate the students understanding of the subject matter.