Week 10b - Shaker shaft

Assuming a

distance of 100 mm from pulley to the top bearing

2150 mm between the bearings.

a crank speed of 600 rpm and power of 7.5 kW

10b.1 What are the reaction forces at the bearings?

10b.2 What is the maximum bending moment and torque on the stub axle that the driven pulley is

mounted to?

10b.3 Based on the stub axle being made from 1045 steel with Sy = 400 MPa and Sut = 650 MPa,

what is a suitable diameter for the stub axle.

Week 10c-Shaker keyways

10c.1 Determine the size and minimum length of the keyways for the motor

10c.2 Determine the size and minimum length of the keyways for each pulley.

(5 MARKS)

(5 MARKS)

Week 10d - Shaker shaft support bearings

10d.1 Using the bearing life equation, select a suitable self aligning sealed bearing which has a 4 bolt

mount and a taper lock to shaft.

For example :-

units/productid-UKF%20209%20K%2FH

https://www.skf.com/uk/products/mounted-bearings/ball-bearing-units/flanged-ball-bearing-