EMD 223 Machine Component Design Dr. Feizal Yusof ME – USM Room 3.22 ext 6316
Presentation outline Introduction to Gear system – Spur gear – Helical gear – Bevel gear – Worm gear Gear Manufacturing Kinematics of Gear Gear selection Strength of gear teeth
Classification of gears
Spur gears
Helical gears
Herringbone gears
Internal gears
Rack and pinion
Straight bevel gear
Spiral bevel gears
Hypoid bevel gears
Worm gears
Spiral gears
Summary of gear types and eval.
Law of gearing
Kinematics of gear
Gear meshing
more Kinematics
More Kinematics
Test your understanding!
solutions
Thank You – 24/2
Reference Juvinall and Marshek “Fundamentals of machine component design” Wiley International, 4 th Edition Spotts, M. F., Shoup, T. E., (1998) “Design of machine elements” 7 th ed, Prentice Hall, NJ. Open University UK Podcasts (2010)- Design and designing course. Shigley, J.E. Mischke, C.R. and Budynas, R.G., (2003) “Mechanical Engineering Design”, eds., McGraw Hill. Collins, J.A., (2003) “Mechanical Design of machine elements and machines” Intl. eds, Wiley. Hamrock, B.J., Schmid, S.R., Jacobson, B., (2005) “Fundamentals of Machine Elements” 2 nd eds, McGraw-Hill. of-mobile-phone.aspx of-mobile-phone.aspx