Shigley's Mechanical Engineering Design (McGraw-Hill Series in Mechanical Engineering)
10th Edition
ISBN: 9780073398204
Author: Richard G Budynas, Keith J Nisbett
Publisher: McGraw-Hill Education
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Chapter 17, Problem 34P
For Prob. 17-29 estimate the elongation of the rope if a 7000-lbf loaded mine cart is placed on the cage which weighs 1000 lbf. The results of Prob. 4-7 may be useful.
17-29 A mine hoist uses a 2-in 6 × 19 monitor-steel wire rope. The rope is used to haul loads of 4 tons from the shaft 480 ft deep. The drum has a diameter of 6 ft. the sheaves are of good-quality cast steel, and the smallest is 3 ft in diameter.
- (a) Using a maximum hoisting speed of 1200 ft/min and a maximum acceleration of 2 ft/s2 estimate the stresses in the rope.
- (b) Estimate the various factors of safety.
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Chapter 17 Solutions
Shigley's Mechanical Engineering Design (McGraw-Hill Series in Mechanical Engineering)
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