An electric motor running at 600 rpm is used to drive a rock crushing machine with a design power of 28 kW. A 32 oz ducking weight flat belt drive is proposed with a tension ratio of R = 3 and belt width b = 125 mm. The pitch diameter of the driving pulley (on the motor-end) is 300 mm. 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%, d) Determine the number of belt plies required. Your answer should be an integer number (no decimals). Number (exact value)

An electric motor running at 600 rpm is used to drive a rock crushing machine with a design power of 28 kW. A 32 oz ducking weight flat belt drive is proposed with a tension ratio of R = 3 and belt width b = 125 mm. The pitch diameter of the driving pulley (on the motor-end) is 300 mm. 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%, d) Determine the number of belt plies required. Your answer should be an integer number (no decimals). Number (exact value)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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