Saturday, August 15, 2020

Self locking nuts

  • lf-locking nuts provide tight connections that will not loosen under vibrations. 
  • They meet critical specifications as to strength, corrosion resistance, and heat-resistant temperatures. 
  • New selflocking nuts must be used each time components are installed. There are two general types of self-locking nuts. 
  • They are the all metal nuts and the metal nuts with a nonmetallic insert to provide the locking action.
  •  The elastic stop and the nonmetallic insert lock nut are examples of the nonmetallic insert type. 
  • All metal self-locking nuts are constructed either of two ways. The threads in the load-carrying portion of the nut that is out of phase with the threads in the locking portion is one way. 
  • The second way is with a saw-cut top portion with a pinched-in thread. The locking action of these types depends upon the resiliency of the metal.

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