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Posted: 2018-12-27Posted by:admin
he anti-loose effect of the locknut is obvious to all, and it has many uses. Moreover, since the lock nut is complicated to install, the installation method of the lock nut of different structures is not the same. Therefore, the contents of the lock nut are very Focus on. However, there are still some people who are not very clear about the installation process of the locknut. Therefore, the next step of Fuxin Net will introduce the installation points of the locknut.
Lock nut installation
The lock nut structure and the installation method thereof comprise a flat nut and a tilt nut. One end surface of the oblique nut is a sloped surface, and the inclined surface forms an angle with a vertical line of the screw hole axis of the oblique nut, and the flat nut and the oblique nut are successively installed. On the bolt, the mating contact surface of the two nuts includes the inclined surface and is sequentially tightened.
There are two installation methods for the locknut: 1. After the oblique nut and the bolt are fastened, the flat nut is installed. After the flat nut is pre-tightened, the structure acts as a loosening effect; 2. After the flat nut is fastened to the bolt, The inclined nut is installed again, and the structure is loosened after the oblique nut is pre-tightened. During the installation, the inclined nut inclined surface is located at the contact mating surface between the two nuts. Since the inclined surface is not perpendicular to the bolt axis, the upper portion generates a certain bending moment to the bolt, and the bending moment enhances the anti-loose effect. The anti-loose nut structure has a simple overall structure, is safe and reliable to use, is convenient to install and disassemble, is simple and quick to operate, and has low cost, and is convenient for large-scale popularization and use in production practice.
The locknut is directional and is a one-way threaded nut. The anti-loose effect is only achieved by screwing in the correct direction. The flange nut and flange nut are screwed in the same direction as the standard standard flange nut. Friction and anti-loose is the most widely used anti-loose method, which produces a positive pressure between the lock nut pairs that does not change with external force to create a frictional force that can prevent the relative rotation of the lock nut pair. This positive pressure can be accomplished by axially or simultaneously pressing the lock nut pair in both directions. Such as elastic washers, double nuts, self-locking nuts and insert lock nuts.
The above is the knowledge content that Xiaobian brings to you about the installation points of the locknut. I hope everyone can read these knowledge points well, understand how the locknut is installed and what the installation process needs to pay attention to. In addition, the installation quality Although it is important, the correct operation method also has a great influence on the use of the locknut. Everyone needs to pay more attention to this problem during the use.
After the sixth annual meeting of the National Fastener Standardization Technical Committee held in Haiyan, Zhejiang on November 19-20, 2018, a total of six national standards were revised and improved after reviewing the resolution.
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he anti-loose effect of the locknut is obvious to all, and it has many uses. Moreover, since the lock nut is complicated to install, the installation method of the lock nut of different structures is not the same. Therefore, the contents of