Calculate the torque developed by a motor whose spindle is rotating at 4000 rpm and developing a power of 5.5 kW. In a turning-tool test, the tangential cutting force is 170 N. If the mean diameter of the workpiece is 160 mm. Calculate the following:i) Torqueii) Work done per revolution (1 revolution) of the spindleiii) Power required when the spindle speed is 300 rpm

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Calculate the torque developed by a motor whose spindle is rotating at 4000 rpm and developing a power of 5.5 kW.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter10: Work, Energy And Machines

Section10.2: Machines

Problem 28PP

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Question

Calculate the torque developed by a motor whose spindle is rotating at 4000 rpm and developing a power of 5.5 kW.

In a turning-tool test, the tangential cutting force is 170 N. If the mean diameter of the workpiece is 160 mm. Calculate the following:
i) Torque
ii) Work done per revolution (1 revolution) of the spindle

iii) Power required when the spindle speed is 300 rpm

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