Design the elliptical cross-section of a belt pulley arm near the hub for the following specifications: The mean pulley diameter is 300 mm and the number of pulley arms are 4. The elliptical section has major axis twice the minor axis length. The tight and slack sides tension in the belt are 600 N and 200 N respectively. Assume half number of arms transmit torque at any time and the load factor of 1.75 to account for dynamic effects on the pulley while transmitting torque. The permissible tensile stress for cast iron pulley material is 15 MPa. The pulley hub diameter is 60 mm.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Design the elliptical cross-section of a belt pulley arm near the hub for the following
specifications: The mean pulley diameter is 300 mm and the number of pulley arms are 4. The
elliptical section has major axis twice the minor axis length. The tight and slack sides tension
in the belt are 600 N and 200 N respectively. Assume half number of arms transmit torque at
any time and the load factor of 1.75 to account for dynamic effects on the pulley while
transmitting torque. The permissible tensile stress for cast iron pulley material is 15 MPa. The
pulley hub diameter is 60 mm.
Transcribed Image Text:Design the elliptical cross-section of a belt pulley arm near the hub for the following specifications: The mean pulley diameter is 300 mm and the number of pulley arms are 4. The elliptical section has major axis twice the minor axis length. The tight and slack sides tension in the belt are 600 N and 200 N respectively. Assume half number of arms transmit torque at any time and the load factor of 1.75 to account for dynamic effects on the pulley while transmitting torque. The permissible tensile stress for cast iron pulley material is 15 MPa. The pulley hub diameter is 60 mm.
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