Regarding the selection of the number of teeth of the timing pulley, why does the timing pulley have a minimum number of teeth requirement?
During operation the timing belt rotates around the timing pulley. The interaction between the timing belt and the timing pulley,The timing belt will be subjected to repeated bending forces. The fewer the number of teeth of the timing pulley, the smaller the diameter. Limited by the bending radius of each timing belt, when the timing belt enters the synchronous pulley, the smaller the pulley, the more severe the bending of the synchronous belt. At the same time, the timing belt is subjected to more bending per unit time, which increases the risk of fatigue damage. Therefore, there will be certain restrictions on the number of teeth of the timing pulley.
According to the material, tooth type, tooth pitch, thickness and other parameters of the selected timing belt, the following is the minimum number of teeth of the polyurethane timing belt corresponding to the timing pulley for reference:
At the same time, it is necessary to make a comprehensive consideration of various factors such as the actual situation to ensure the stable and efficient operation of the transmission system while increasing the service life of the synchronous belt and synchronous pulley.
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