A toothed belt; timing belt; cogged belt; cog belt; or synchronous belt is a versatile belt with teeth moulded onto its internal surface. It is designed to run over complementing toothed pulleys or sprockets . Toothed belts are used in a wide array of in mechanical products, where high-power transmission is desired.
Toothed belts are utilized widely in mechanical devices, which includes sewing machines ,photocopiers and many more. A major utilization of toothed belts is as the timing belt utilized to drive the camshafts within an car or motorcycle engine.
As toothed belts may deliver more power than a friction-travel belt, they are used for high-power transmissions. Included in these are the primary travel of some motorcycles , notably afterwards Harley-Davidsons ;and the supercharger used for dragsters .
Microlight aircraft driven by high-speed two-stroke engines such as the Rotax 532 use toothed belt reduction drives to allow the utilization of a quieter and more efficient slower-swiftness propeller. Some amateur-built airplanes run by automotive engines use cog belt reduction drive units.
A tooth pulley has some tooth whereas a set belt pulley does not have any teeth.
The tooth pulley can be used when accurate transmission of the torque is needed. Smooth belt pulleys or V-belt pulleys cannot deliver 100% accurate transmitting of the torque because there’s always some (hardly any – but still) slipping between your pulley and belt.
TOOTHED PULLEY / TIMING BELT
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