Straight-toothed and have radial teeth used to transmit power and motion between parallel axes. Spur gears are widely used for speed increase or reduction, high torque, and resolution for positioning systems since the cost of tooling for spur gears ...
read moreThe meshing between a helical gear and a worm is smoother and quieter than spur gears since the teeth on helical gears are specially cut at an angle so when two teeth on the gear system engage, it starts a contact on one end of the tooth which ...
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High efficiency with irreversible motion and good for compact design. High load capacity and reduced vibration and noise.

The smallest gear in the gear train at the input and handles the least amount of torque. It is usually be mounted onto a shaft and transmit power indirectly to the output gear.

Used for space-saving and for high gear ratio.

Widely designed to transmit power and motion between intersecting axes, generally at right angles. Therefore bevel gears are suitable when the transmitting direction needs to be changed. The teeth on a bevel gear can be straight, spiral or hypoid.


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