4 How It's Made GEARS - Encywiki

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4 How It's Made GEARS

4 How It's Made GEARS


A gear or cogwheel is a rotating machine part having cut teeth, or in the case of a cogwheel, inserted teeth (called cogs), which mesh with another toothed part to transmit torque. Geared devices can change the speed, torque, and direction of a power source. Gears almost always produce a change in torque, creating a mechanical advantage, through their gear ratio, and thus may be considered a simple machine. The teeth on the two meshing gears all have the same shape. Two or more meshing gears, working in a sequence, are called a gear train or a transmission. A gear can mesh with a linear toothed part, called a rack, producing translation instead of rotation. The gears in a transmission are analogous to the wheels in a crossed, belt pulley system. An advantage of gears is that the teeth of a gear prevent slippage. When two gears mesh, if one gear is bigger than the other, a mechanical advantage is produced, with the rotational speeds, and the torques, of the two gears differing in proportion to their diameters.

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Encywiki 2019
4 How It's Made GEARS Reviewed by encywiki on February 09, 2019 Rating: 5 4 How It's Made GEARS A gear or cogwheel is a rotating machine part having cut teeth, or in the case of a cogwheel, inserted te...

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