How is the Angle of the groove of the pulley groove accurate
It depends on the type of the belt. I've met 34, 36, 38, 40.I hope my answer will help you.
Depending on the load and speed of the belt type, the load from O, A, B, and C is small to large. The belt groove Angle of 34 ° respectively, 36 °, 38 °
According to belt design, the Angle is generally 36 or 38 this is person experience only for reference!
