Automatic Belt Tensioners

It is used in belt drive to tense the belt automatically, to prevent belt slip and make the engine work in good condition.

Function

During the start or drive of auto, or in the case of belt elongation due to weariness, it tenses the belt automatically to make the engine work in good condition.
It can reduce the vibration in the case of excessive vibration of engine.

Advantages

Thanks to the use of spiral spring or torsion spring, it can tense the belt automatically during the start or drive of car, or in the case of belt elongation due to weariness.
It can reduce the vibration in the case of excessive vibration of engine so as to prevent the weariness of main shaft of engine or related shafts, to reduce vibration and noise, and to prolong the engine service life.