Find the length of a flat spiral spring 25 mm wide by 0.5 mm thick to store 8 N.m of energy for a limiting stress of 800 MPa. Find also the torque required, and the number of turns of the winding spindle to wind up the spindle. E = 210 GPa.

Find the length of a flat spiral spring 25 mm wide by 0.5 mm thick to store 8 N.m of energy for a limiting stress of 800 MPa. Find also the torque required, and the number of turns of the winding spindle to wind up the spindle. E = 210 GPa.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter3: Torsion

Section: Chapter Questions

Problem 3.7.3P: A motor driving a solid circular steel shaft with diameter d = 1.5 in, transmits 50 hp to a gear at...

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Question

Find the length of a flat spiral spring 25 mm wide
by 0.5 mm thick to store 8 N.m of energy for a limiting stress of 800 MPa.
Find also the torque required, and the number of turns of the winding
spindle to wind up the spindle. E = 210 GPa.

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