In our lives, we often see or hear about various accidents. Among the many accident cases, there is often a seemingly inconspicuous cause, that is, loose screws. A small blind rivet nut can cause great harm.
In long-term work practice and life, it is found that small locknuts often cause huge troubles due to automatic loosening. Due to mechanical vibration and other reasons, the originally tightened screws will gradually become loose, so they must be reinforced frequently to prevent loosening of the threads. The difference with self-locking thread will waste a lot of human resources in the reinforcement process. At present, preventing the screw from loosening has become a worldwide problem.
Normal nuts will loosen due to vibration and other reasons during use, such as vibration. To prevent this phenomenon, self-tightening nuts were invented. The main function of the self-tightening nut is anti-loose and anti-vibration. For special occasions. Its working principle is generally self-tightening by friction. The types of self-tightening nuts classified according to their functions are those with embedded nylon rings, those with neck closures, and those with metal anti-loosening devices. They are all effective torque-type locknuts.
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