A toothed belt; timing belt; cogged belt; cog belt; or synchronous belt is definitely a flexible belt with teeth moulded onto its internal surface. It is designed to run over coordinating toothed pulleys or sprockets . Toothed belts are used in several in mechanical gadgets, where high-power transmission is desired.
Toothed belts are utilized widely in mechanical devices, which includes sewing machines ,photocopiers and many more. A major use of toothed belts is as the timing belt utilized to drive the camshafts in a automobile or motorcycle engine.
As toothed belts can deliver more power than a friction-get belt, they are utilized for high-power transmissions. Included in these are the primary get of some motorcycles , notably later 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 decrease drives to allow the use of a quieter and better slower-amount propeller. Some amateur-built airplanes driven by automotive engines use cog belt reduction drive units.
A good tooth pulley has some teeth whereas a flat belt pulley doesn’t have any teeth.
The tooth pulley is utilized when accurate transmission of the torque is necessary. Flat belt pulleys or V-belt pulleys cannot deliver 100% accurate transmission of the torque because there’s always some (hardly any – but nonetheless) slipping between your pulley and belt.
TOOTHED PULLEY / TIMING BELT
Ever-power pulleys that focus on engagement transmission
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