Do you understand the types of flat washers, spring washers, and anti-loosening washers?

1. What is a washer: washers are used in bolts, screws or nuts, etc.; the support surface and is connected between the fasteners can play a role in protecting the surface of the connecting parts to prevent the fasteners from loosening the role of other particular purposes. According to its specific role points, it can be divided into flat washers, spring washers, lock washers, and specific purpose washers such as sealing washers. Washers are what we often call ordinary washers, the most commonly used, most of the bolts or screws connected to the primary use of flat washers. Flat washers can improve the force condition of the connected parts to protect the surface state of the related parts, that is, to increase the contact area, and reduce friction and pressure, to protect the screws and nuts. Flat washers are primarily round; there are other shapes, such as square washers, according to the assembly needs. Specific flat washers - C level, large washers - A and C level, oversized washers - C level, small washers - A level, flat washers - A level, flat washers - chamfered type - A level, square washers, and so on.

2. Spring washers: Spring washers in the connection, after tightening, will rely on their reaction force to increase the connection between the axial tension and the vice to increase friction to play the role of anti-loosening. Spring washers are in mechanical bearing and non-bearing structures in the application of more. Because of the low cost, they are easy to install and more suitable for frequent dismantling of the working conditions. More common spring washers are standard spring washers, light spring washers, heavy spring washers, wave spring washers, conical elastic washers, and saddle spring washers.

3. Anti-loosening washers: Anti-loosening washers connect the vice and can play a locking effect on the washers; the Anti-loosening washers we have previously introduced, such as through the mechanical fixation of the way to anti-loosening of the stop washer, rely on the friction to achieve the lock function of the locking washer, and so on. The spring washers mentioned above can also be said to be a kind of anti-loosening washers. 4.

4. Stop washer: single ear stop washer, double ear stop washer, internal tongue stop washer, external tongue stop washer, etc., its role is to prevent the relative movement between the threads and the connected parts, threaded joints to prevent the threaded connection from loosening.

5. Lock washers: SK teeth self-locking washers, double-sided lock washers, internal tooth lock washers, internal serrated lock washers, external tooth lock washers, external serrated lock washers, etc., mainly through the increase in friction to achieve the purpose of locking. Internal/external tooth lock washers rely on the tip of the teeth, and the plane of the connecting part is the phasing force and a small elasticity to prevent the threaded connection from loosening.

6. Special-purpose washers: Special-purpose is to have another role of the washer, such as sealing washers, spherical washers, and square and oblique washers.

7. Sealing washers can prevent leakage. They are mainly used in fluid conditions, such as between the pipeline, mechanical equipment, and mechanical parts of the sealing connection between the parts. Previously mentioned non-metallic gaskets include many sealing washers, as well as aluminum and copper sealing washers.

8. Spherical washers: They can automatically adjust the position to make the force uniform and increase the friction to play a specific role in anti-loosening. Spherical washers are usually used in conjunction.

9. square oblique washers: can make the support surface of the nut perpendicular to the screw to avoid screwing the nut when the screw is subjected to bending stress, commonly used in the channel steel or I-beam on the diagonal.

Everyone in the choice of washers takes into account the material (metal or non-metallic, stainless steel or carbon steel) and specifications but also combines the actual working conditions and use to careful consideration. 

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