Solution Found!
Answer: The square-threaded screw has a mean diameter of
Chapter 8, Problem 8-77(choose chapter or problem)
The square-threaded screw has a mean diameter of 20 mm and a lead of 4 mm. If the weight of the plate A is 5 lb, determine the smallest coefficient of static friction between the screw and the plate so that the plate does not travel down the screw when the plate is suspended as shown
Questions & Answers
QUESTION:
The square-threaded screw has a mean diameter of 20 mm and a lead of 4 mm. If the weight of the plate A is 5 lb, determine the smallest coefficient of static friction between the screw and the plate so that the plate does not travel down the screw when the plate is suspended as shown
ANSWER:
Step 1 of 3
As we have shown in problem 8-73, the following relation must be correct in order for the screw to be self-locking: