d) A leather round belt transmit power from small pulley rotates 1200 rpm. The diameter of small pulley is one third of the diameter big pulley. The center distance between the pulleys is twice the diameter of big pulley. The stresses in the belt should not exceed 2 MPa and belt density is 950 kg/m'. Due to the friction of rotation, the ratio tension on the tight side to the slack side is 2:1 and coefficient of friction is 0.35. For design requirement, the ratio of diameter leather round belt to diameter of small pulley is 1:18. Determine, i) Contact angle. ii) Diameter belt. iii) Belt tension. iv) Torque.

d) A leather round belt transmit power from small pulley rotates 1200 rpm. The diameter of small pulley is one third of the diameter big pulley. The center distance between the pulleys is twice the diameter of big pulley. The stresses in the belt should not exceed 2 MPa and belt density is 950 kg/m'. Due to the friction of rotation, the ratio tension on the tight side to the slack side is 2:1 and coefficient of friction is 0.35. For design requirement, the ratio of diameter leather round belt to diameter of small pulley is 1:18. Determine, i) Contact angle. ii) Diameter belt. iii) Belt tension. iv) Torque.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter8: Applications Of Plane Stress (pressure Vessels, Beams, And Combined Loadings)

Section: Chapter Questions

Problem 8.5.11P: The hollow drill pipe for an oil well (sec figure) is 6,2 in. in outer diameter and 0.75 in. in...

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