An electric motor running at 970rpm is used to drive a rock crushing machine with a design power of 32 kW. A 33oz ducking weight flat belt drive is proposed with a tension ratio of R = 4 and belt width b = 120 mm. The pitch diameter of the driving pulley (on the motor-end) is 320mm. a) What is the mass per mm width per m length per ply in kg/mm/m/ply? Number (exact value) b) What is the maximum working tension per mm width per ply in N/mm/ply? Number (exact value) c) Calculate the belt velocity in m/s Number (+/-1%)

An electric motor running at 970rpm is used to drive a rock crushing machine with a design power of 32 kW. A 33oz ducking weight flat belt drive is proposed with a tension ratio of R = 4 and belt width b = 120 mm. The pitch diameter of the driving pulley (on the motor-end) is 320mm. a) What is the mass per mm width per m length per ply in kg/mm/m/ply? Number (exact value) b) What is the maximum working tension per mm width per ply in N/mm/ply? Number (exact value) c) Calculate the belt velocity in m/s Number (+/-1%)

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.2.12P: A small lab scale has a rigid L-shaped frame ABC consisting of a horizontal aim AB (length b = 30...

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