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Calculation of traction force of electric roller

 

F: Traction force of electric roller (N), F=F0+F1+F2+F3
L: Horizontal projection of center distance between driving drum and reversing drum (m)
H: Conveying height (m)
Gm1: The weight of the load on the belt conveyor per meter, representing the coming journey (kg/m)
Gm2: weight of the load on the belt conveyor per meter, indicating the return journey (kg/m)
Gn: Belt weight per meter (kg/m)
Gr: Total weight of rotating parts per meter of belt conveyor, including the back and forth part (kg/m)
f1: Friction coefficient between conveying goods and belt bearing surface (Table 2)
f2: Friction coefficient between conveyor bracket and belt bearing surface (Table 1)
f3: Friction coefficient between the conveying goods and the bearing surface of the return belt (Table 2)
f4: Friction coefficient between conveyor bracket and bearing surface of return belt (Table 1)