# For the shaft application defined in Prob. 379, p. 139, the input shaft EG is driven at

## Question:

For the shaft application defined in Prob. 3€“79, p. 139, the input shaft EG is driven at a constant speed of 280 rev/min. Obtain a Basic Load Rating for a cylindrical roller bearing at A for a life of 14 kh with a 98 percent reliability.
Prob. 3€“79, Repeat Prob. 3€“77 with T = 900 lbf · in, a = 6 in, b = 5 in, c = 10 in, d = 1.375 in, e = 4 in, f = 10 in, and g = 6 in.
Repeat Prob. 3€“77, A torque T = 100 N · m is applied to the shaft EFG, which is running at constant speed and contains gear F. Gear F transmits torque to shaft ABCD through gear C, which drives the chain sprocket at B, transmitting a force P as shown. Sprocket B, gear C, and gear F have pitch diameters of a = 150, b = 250, and c = 125 mm, respectively. The contact force between the gears is transmitted through the pressure angle Ï† = 20°. Assuming no frictional losses and considering the bearings at A, D, E, and G to be simple supports, locate the point on shaft ABCD that contains the maximum tensile bending and maximum torsional shear stresses.

Combine these stresses and determine the maximum principal normal and shear stresses in theshaft.

Fantastic news! We've Found the answer you've been seeking!

## Step by Step Answer:

Related Book For

## Shigleys Mechanical Engineering Design

ISBN: 978-1121345317

9th edition

Authors: Richard G. Budynas, J. Keith Nisbett

Question Posted: