How does it work Disc-Lock Washer?

How does it work Disc-Lock Washer?
      The working principle behind the Disc-Lock Washer is simple. It consists of two washer-shaped pieces which are preassembled (glued pairs) which have inclined cams on one side and a series of ridges on the other.
     On installation the two cam sides are mated together and placed between the nut and the joint material.
     Under vibration the nut will attempt to rotate loose but, as the angle of the cams is greater than the pitch angle of the thread on the bolt, the interlocking cams and the non-slip ridges of the Disc-LockWasher work together to create a jamming effect. This effect prevents loosening and further locks the assembly, thereby maintaining joint integrity. The result is a fastening system that is vibration proof according to Military Standards. (United States Military MIL-STD-1312,
     Vibration Test 7. Test Results data available upon written request.)
The Disc-Lock Washer is not only a vibration-proof locking device but also a heavy duty structural locking device recommended for the most stressful applications.
     Once applied and installed correctly the Disc-Lock Washer will ensure that the fastener remains secure and that nuts and bolts do not require retightening.

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