'Angular velocity ratio' presentation slideshows

Mechanics of Machines Dr. Mohammad Kilani

Mechanics of Machines Dr. Mohammad Kilani. Class 7 GEARS. Introduction. The earliest known reference to gear trains is in a treatise by Hero of Alexandria (c. 100 B.C.). Gear trains are widely used in all kinds of mechanisms and machines, from can openers to aircraft carriers.

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Outline

Outline. Gear Theory Fundamental Law of Gearing Involute profile Nomenclature Gear Trains Loading Stresses. the angular velocity ratio of the gears of a gearset must remain constant throughout the mesh. gear. pinion. pitch circle, pitch diameter d, pitch point.

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Chapter Outline

733 views • 33 slides