The most basic method of fixing nuts at work
1. Add flat washer
The washer refers to the part that is cushioned between the connected piece and the nut. Generally, a flat metal ring is used to protect the surface of the connected part from being scratched by the nut and disperse the pressure of the nut on the connected part.
2. Add flat washers and spring washers
Spring washers are widely used in load-bearing and non-load-bearing structures of general mechanical products. They are characterized by low cost, convenient installation, and suitable for parts with frequent assembly and disassembly. But the anti-loosening ability of spring washers is very low!
3. Self-locking nut
Normal nuts will loosen due to vibration and other reasons during use, such as vibration. To prevent this phenomenon, self-locking nuts were invented. The main function of the self-locking nut is to prevent loosening and vibration. For special occasions. Its working principle is generally self-locking by friction. The types of self-locking nuts classified according to their functions include nylon-embedded, neck-closed, and metal anti-loosening devices. They are all effective torque type locknuts. Due to its nature, self-locking nuts are difficult to screw.
4. Nut anti-loosening fluid
Apply the nut anti-loosening fluid to the tightening part of the bolt, and then screw on the nut to achieve the anti-loosening effect.
5. Double nuts (left and right rotation) to prevent loosening
It is also a good method to tighten and prevent loosening by matching a left-hand nut and a right-hand nut.
6. Screws and nuts are drilled and pinned to fix
In machinery, pins are mainly used for assembly positioning, and can also be used as overload shear connections in connection and relaxation-level safety devices. The types of pins are: cylindrical pin, tapered pin, pin with hole, split pin and safety pin.
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