Anaerobic adhesiveThe company interprets three methods to prevent stainless steel lock nuts!
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Anaerobic rubber company Fengshen Rubber industry shares 3 kinds of locking methods of stainless steel locking nuts:

There are three commonly used anti-loosening methods: friction anti-loosening, mechanical anti-loosening and anti-loosening.

Mechanical and friction lockouts are called removable lockouts, while lockouts are called non-removable lockouts.

Commonly used anti-loosening are: spot welding, riveting, bonding and so on. This method mostly destroys threaded fasteners during disassembly and cannot be reused.

Common friction locking are: the use of gaskets, self-locking nuts and double nuts.

Common mechanical anti-loosening methods: the use of cotter pin, stop gasket and string wire rope.

The method of mechanical locking is more reliable, and the method of mechanical locking should be used for important connections.

The following is described below.

(1) friction anti-loosening

① Spring gasket anti-loose

Spring washer material is spring steel, after assembly, the washer is flattened, and its rebound force can keep the compression force and friction between the threads, so as to achieve anti-loosening

② Lock the top nut

Additional tension and additional friction are exerted on the bolt type by the action of the nut on the top. Because of the use of one more nut, and the work is not very reliable, it has been used less.

③ Self-locking nut anti-loose

One end of the nut is made of non-circular closing or radial closing after opening. When the nut is tightened, the closing mouth is expanded, and the elastic force of the closing mouth is used to tighten the screw threads. This kind of anti-loosening structure is simple and reliable, and can be disassembled many times without reducing the anti-loosening performance.

④ The elastic ring nut is not loose

Insert fiber or nylon into the thread to increase friction. The elastic ring also plays a role in preventing liquid leakage.

2) Mechanical anti-loosening

① slotted nuts and cotter pins are anti-loose

After the grooved nut is tightened, insert the cotter pin through the hole at the end of the bolt and the groove of the nut. You can also use the ordinary nut to tighten the hole.

② Round nuts and stop gaskets

Insert the inner tongue of the washer into the slot of the bolt (shaft), and insert one of the outer tongue of the washer into a slot of the nut after tightening the nut.

③ Stop gasket

After the nut is tightened, bend the single-ear or double-ear stop washer to the side of the nut and the connected part respectively and tighten it tightly to prevent loosening. If the two bolts need to be double-interlocked, double stop gaskets can be used.

④ Series steel wire anti-loose

The low carbon steel wire is inserted into the hole of the head of each screw, and the screws are connected in series to make them brake each other. This structure requires attention to the direction of the wire penetration,

3) Keep loose

① The edge of the law to prevent loose

After the nut is tightened, the thread is broken at the impact point at the end of the thread

② Adhesive anti-loose

Usually, an anaerobic adhesive is applied to the surface of the threaded joint. After tightening the nut, the adhesive can cure itself and the anti-loosening effect is good.
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