Answer to Question #329044 in Mechanical Engineering for MR T

Question

An open flat belt is to transmit 8 kW. The small pulley has a diameter of 175 mm and rotates at

810 r/min, whilst the large pulley runs at approximately 250 r/min. Both pulleys have a width

of 110 mm. The centre distance between the pulleys is 800 mm. Assume a factor of safety of

eight (8) and an ultimate tensile stress for the flat belt material of 20 MPa. Assume µ = 0.35.

2.1 Specify a belt; i.e. the width, thickness, length and grade

2.2 Calculate a suitable initial tension.

Answer 1

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