Generally, the thicker the conveyor belt, the larger the diameter of the roller.
The choice of roller diameter is generally considered in the following factors:
1. The thickness of the conveyor belt and the bending stress generated when winding the roller in relation to the thickness.
2. The total stress of the conveyor belt including tensile and bending stresses.
3. The maximum or average unit pressure between the conveyor belt and the roller and the corresponding unit traction.
4. The number of cycles in which the conveyor belt is subjected to bending loads and the manner in which the conveyor belt is guided and the number of rollers bypassed.
5. Type of conveyor belt and installation location