Production-oriented enterprises specializing in R&D, manufacturing and sales of high-strength rivets and drilling screws
The manufacturer of forged bolts will show you how to prevent the nut from slipping
Release time：
2023-03-06 08:20
A locknut is a nut, which is a part screwed together with bolts or screws to fix it. This is the original part that all production machinery must use. The locknut is a component closely connected to the mechanical equipment. Through internal thread, lock nuts and screws of the same specification can be connected together. The following forged bolt manufacturers will show you some methods to prevent the nut from slipping. The manufacturer of forged bolts tells you that the mechanical anti-loosening is to directly limit the relative rotation of the lock nut pair through the lock nut limiter.
For example, open gear pins, steel wires connected in series and limit washers are used. Since the locknut stop has no preload, the anti-loose plug can only work when the locknut is released to the stop position. Therefore, the lock nut cannot actually prevent loosening, but can avoid falling. After tightening, the riveting anti-loosening method adopts drilling, welding, bonding and other methods, so the lock nut pair loses the characteristics of the moving pair, and the connection becomes a non-removable connection. The forge bolt manufacturer told you that the disadvantage of this method is that the bolt can only be used once, and it is very difficult to disassemble, and the bolt pair must be destroyed before disassembly. The manufacturer of forged bolts tells you that friction anti-loosening is a widely used anti-loosening method. This method generates a positive pressure between the lock nut pairs that does not change with the external force, thus generating a friction force that can prevent the lock nut from rotating relative to each other. This positive pressure can be achieved by compressing the lock nut pair axially or simultaneously in both directions. If elastic washers, double nuts, self-locking nuts and plug-in lock nuts are used.
The forged bolt manufacturer tells you three advantages of locknut:
1. Excellent shockproof performance: when tightening the thread, the top thread of the bolt tightly enters the 30 ° wedge slope of the nut to be clamped, and the normal force applied on the wedge slope is consistent with the angle of the bolt. The angle of the axis is 60 ° instead of 30 °. Therefore, the normal force generated when tightening the locknut is much larger than the ordinary standard nut, which has good anti-loosening and anti-vibration properties.
2. Strong wear resistance and shear resistance: the 30 ° inclined surface at the bottom of the nut thread can make the nut locking force evenly distributed on all threads of each tooth. Because the pressure on the surface of each tooth thread is evenly distributed, the nut can better solve the problem of thread wear and shear deformation.
3. Good reusability: a large number of applications show that after repeatedly tightening and disassembling the locknut, its locking force remains unchanged and the original locking effect can be maintained. The above are some ways to prevent the nut from slipping that the manufacturer of forged bolts can help you.
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