bearings and pivots ....

Apr 13th, 2015
Anonymous
Category:
Engineering
Price: $10 USD

Question description

A conical pivot supports a load of 20 kN, the cone angle is 120º and the

intensity of normal pressure is not to exceed 0.3 N/mm2. The external diameter is twice the internal

diameter. Find the outer and inner radii of the bearing surface. If the shaft rotates at 200 r.p.m. and

the coefficient of friction is 0.1, find the power absorbed in friction. Assume uniform pressure.


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