Belt conveyor motor selection calculations | conveyor design part 2

Conveyor motor selection calculations

In the last article: Conveyor belt width calculation formula | Conveyor Design Part 1 We understood the basic components and assumptions of conveyor design. In this article, we will learn how to do conveyor motor selection calculations. Basically, we are focusing on belt conveyor motor selection calculations.

Type of motors are used in conveyor systems?

There are various types of motors used in daily household and industrial applications. For the flat belt conveyor system that runs continuously in a single direction, the first choice is an AC induction motor.

Motor power calculations for the conveyor

To calculate the motor power required for the conveyor, Firstly, we need to calculate the net pull acting on the belt. We can calculate the net belt pull by calculating the resistance of the belt for the upper run (Wo) and the resistance of the belt for the lower run (Wu).

Resistance of the belt for the upper run

Wu=CfL[(Gg+Gb)cosδ+Go⌋±H(Gg+Gb)

………. (eq. 1)

Resistance of the belt for the lower run

Wl=CfL[Gbcosδ+Go⌋±HGb

………. (eq. 2)

Where,

C = adjustment factor for secondary resistance

f = friction factor between idler or skid plate and belt

Usually, the friction factor is 0.005 to 0.5.

For standard conveyors, — 0.02

For non-portables with good idlers, -0.016 to 0.018 (PSG design data 9.17)

And 0.023 to 0.027 for idlers in a dusty environment (PSG design data 9.17).

L = material conveying distance

Gg = weight of the material conveying per metre of length (kg/metre)

Gb = weight of the belt per metre of length (kg/metre)

Go = weight of troughing idlers on the top run/metre length

δ = angle of inclination of the conveyor

H is the height through which material is conveyed.

For more detail: https://skyhighelearn.com/belt-conveyor-motor-selection-calculations-conveyor-design-part-2/