Si = The price of components in the group of belt support and components
di = The number of components used for the whole lifetime in the group of driver set
Di = The price of components in the group of driver set.
F = The price of conveyor frame
b = The number of belts used for the whole life expectancy
B = The cost of belt
E = The cost of energy to run the conveyor
I = The installation cost
This research studied the belt that had the length of 10-100 m, the width of 400-1500 mm and the inclination angle of 0-30°. The convey capacity was 50-500 ton h−1, which was found in small conveyor.