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Nuts are always loose? Master these 6 tips and solve them easily

One of the problems often encountered in mechanical design is how to tighten a small nut. Like Japan's eccentric nut, Down's nut and China's self-tightening nut, these are relatively well known. But today we don't talk about the stars in these fasteners. Let's talk about the most basic way to fix the nut at work.

 

Flat washer

The washer refers to the part between the connected piece and the nut. Generally, it is a flat metal ring for protecting the surface of the connected member from the nut and the pressure of the dispersing nut against the connected member.

 

Flat washer and spring washer

Spring washers are widely used in the bearing and non-bearing structures of general mechanical products. They are characterized by low cost and easy installation, and are suitable for parts with frequent assembly and disassembly. However, the spring washer has a low anti-loose ability!

 

Self-locking nuts

In general, the nut is loosened during use due to vibration or other reasons, such as vibration. In order to prevent this phenomenon, a self-locking nut is invented. Self-locking nut Its function is mainly anti-loose and anti-vibration. For special occasions. Its working principle is generally self-locking by friction. Self-locking nuts are classified according to their functions. They are fitted with a nylon ring, a neck with a neck, and a metal anti-loose device. They are all effective torque type locknuts.

Self-locking nuts are difficult to screw due to their nature.

 

Nut anti-loose solution

Apply the nut anti-loose solution to the bolt tightening and screw on the nut to achieve the anti-loose effect.

 

Double nut (left and right rotation)

t is also a good way to tighten and lock against a left-handed nut and a right-handed nut.

 

Screw nut drilling and fixing

In machinery, the pin is primarily used for assembly positioning and can also be used as an overload shear connection in a connection and relaxation level safety device. The types of pins are: cylindrical pins, tapered pins, perforated pins, split pins and safety pins.

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