Gears By: Carol Jean Benjamin. Spur gear  Definition: Spur gears, also known as straight-cut gears, are the most simple type of gear. The have a cylinder. - ppt download

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Last updated 13 abril 2025

Gears By: Carol Jean Benjamin. Spur gear  Definition: Spur gears, also known as straight-cut gears, are the most simple type of gear. The have a cylinder. - ppt download

Worm gear  A worm gear is usually with a spur gear or a helical gear, which is called the gear, wheel, or worm wheel. The worm and the gear sets are a way to achieve a high torque and low speed gear ratio. To find the distinction between a worm and a helical gear’ you must know whether it has at least one tooth for persisting for a full rotation around the helix. If this occurs, it is a worm; if not, it is a helical gear. A worm may have as few as one tooth. If that tooth persists for several turns around the helix, the worm will appear, superficially, to have more than one tooth, but what one in fact sees is the same tooth reappearing at intervals along the length of the worm  An example of it in use would be in automobiles.
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