A toothed belt; timing belt; cogged belt; cog belt; or synchronous belt is usually a flexible belt with the teeth moulded onto its inner surface. It is designed to run over matching toothed pulleys or sprockets . Toothed belts are used in several in mechanical gadgets, where high-power tranny is desired.
Toothed belts are used widely in mechanical devices, including sewing machines ,photocopiers and many more. A major usage of toothed belts is as the timing belt used to drive the camshafts within an vehicle or motorcycle engine.
As toothed belts can deliver more power when compared to a friction-get belt, they are used for high-power transmissions. These include the primary get 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 use of a quieter and more efficient slower-fee propeller. Some amateur-built airplanes run by automotive engines use cog belt reduction drive units.
A good tooth pulley has some teeth whereas a flat belt pulley does not have any teeth.
The tooth pulley is utilized when accurate transmission of the torque is necessary. Smooth belt pulleys or V-belt pulleys cannot deliver 100% accurate transmitting of the torque because there’s always some (very little – but nonetheless) slipping between the pulley and belt.
TOOTHED PULLEY / TIMING BELT
Ever-power pulleys that specialize in engagement transmission
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