Locking Nuts, Nylock and Torflex
#16
10-17-2014, 04:24 PM
It's an interesting video, obviously they have a dog in the fight so to speak. But notice the bolt/stud is coarse thread; you wouldn't spec a coarse thread anywhere vibration was a concern. If you look inside about any engine, where there is vibration or cyclic loads you'll find fine threads, usually without any locking means at all.
From fatigue point of view a course thread has larger profile radius hence a lower stress concentration hence a longer fatigue life. If the washers can guarantee the locking as the lower pitch of the fine thread does but in a different way..... Why not?
#17
10-17-2014, 09:19 PM
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