Rolling thread VS car thread---fastener expertise (easy to ask questions 9)

2023-07-28 03:08:39

Easy to tighten   Fastener Expertise Q & A      No. 9

Ninth phase: Rolling thread is more than the thread of the car ______.

A. High strength and low productivity B. Low strength and high productivity

C. High strength and high productivity D. Low strength and low productivity

 

Last review: Easy to ask questions 8

In order to improve the fatigue strength of the bolt connection due to axial variable load, it should be ______.

A. Increase bolt stiffness B. Reduce bolt stiffness

C. Reduce the rigidity of the connected parts D. Increase the size of the connected parts

Answer analysis:

Reduce the stress amplitude that affects the fatigue strength of the bolt

Measures to reduce bolt stiffness

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