A good toothed belt; timing belt; cogged belt; cog belt; or synchronous belt is certainly a flexible belt with tooth moulded onto its internal surface. It is made to run over complementing toothed pulleys or sprockets . Toothed belts are used in a wide array of in mechanical gadgets, where high-power transmitting is desired.
Toothed belts are used widely in mechanical gadgets, which includes sewing machines ,photocopiers and many others. A major usage of toothed belts is as the timing belt utilized to operate a vehicle the camshafts in a vehicle or motorcycle engine.
As toothed belts can deliver more power than a friction-travel belt, they are utilized for high-power transmissions. These include the primary drive of some motorcycles , notably later on Harley-Davidsons ;and the supercharger used for dragsters .
Microlight aircraft driven by high-speed two-stroke engines like the Rotax 532 make use of toothed belt reduction drives to allow the use of a quieter and more efficient slower-velocity propeller. Some amateur-built airplanes driven by automotive engines use cog belt decrease drive units.
A good tooth pulley has some tooth whereas a set belt pulley does not have any teeth.

The tooth pulley is used when accurate transmission of the torque is necessary. Flat belt pulleys or V-belt pulleys cannot deliver 100% accurate tranny of the torque because there’s always some (very little – but nonetheless) slipping between the pulley and belt.

TOOTHED PULLEY / TIMING BELT

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