Question

Week 13a Chain selection for central conveyor

The centre of the harvester has a conveyor driven by a 1.5 kW 1400 rpm electric motor fitted with a

20:1 gear box.

13a.1 What is the maximum torque from the gearbox when the motor is running at 1400 rpm?

13a.2 Based on the selected conveyor chain being RF2060 and the sprockets having 11 teeth, what is

the maximum pull on each chain.

13a.3 What is the design factor of the chain against breaking in tension?

13a.4 What is the maximum speed of the chain in m/s?

13a.5 For the driving shaft made of mild steel with Sy = 250 MPa, what is an appropriate diameter for

the shaft based on the transmitted torque.

Question image 1