GEAR Purpose of gears - Gears are used to transmit torque or motion from the driving shaft to the driven shaft 1) To change the direction of rotation. 2) To change the velocity ratio. 3) To get positive drive. Types of gear Gears are many types are below BEVEL GEAR - 1) The teeth are cut parallel to the axis of rotation. 2) Transmit power between two shaft. Uses - in Electric screwdriver, Clock, Washing machine, Motorcycle etc. ADVANTAGES- 1) simple in construction 2) Easy to manufacture DISADVANTAGE- 1) center distance is limited. 2) Noise at high speed. ...
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