What is the connection between the thickness of the conveyor belt and the size of the drum diameter?

You are familiar with conveyor belt, and know many factors affect it. Then do you know the connection between the thickness of the conveyor belt and the size of the drum diameter.

In general, the greater the thickness of the conveyor belt, the greater conveyor driving drum diameter should be. Relatively large rollers are of great value for the protection and durability of conveyor belts. Then is there a standard the thickness of the conveyor belt and the size of the drum diameter to follow it? How much the minimum diameter of the drum that corresponding to the thickness of the conveyor belt size?

General design of such rubber conveyor belt manufacturers need to provide a data, this design is the belt bending radius is the number for the conveyor belt does not affect their normal life.