A good toothed belt; timing belt; cogged belt; cog belt; or synchronous belt is a versatile belt with teeth moulded onto its inner surface. It is designed to run over matching toothed pulleys or sprockets . Toothed belts are found in several in mechanical devices, where high-power transmission is desired.
Toothed belts are used widely in mechanical gadgets, which includes sewing machines ,photocopiers and many others. A major use of toothed belts is really as the timing belt utilized to drive the camshafts in a automobile or motorcycle engine.
As toothed belts may deliver more power when compared to a friction-get belt, they are utilized 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 like the Rotax 532 use toothed belt decrease drives to allow the use of a quieter and more efficient slower-velocity propeller. Some amateur-built airplanes driven by automotive engines make use of cog belt reduction drive units.
A good tooth pulley has some tooth whereas a flat belt pulley does not have any teeth.
The tooth pulley is utilized when accurate transmission of the torque is needed. Flat belt pulleys or V-belt pulleys cannot deliver 100% accurate tranny of the torque because almost always there is some (very little – but still) slipping between your pulley and belt.
TOOTHED PULLEY / TIMING BELT
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