Do you Understand Washers?

As a Rail Bolt Manufacturer, share with you. The washer refers to the part between the connected piece and the nut. A generally flat metal ring is used to protect the surface of the connected piece from being scratched by the nut and distribute the pressure of the nut on the connected piece.

Rail Washers are divided into: flat washer-C, large washer-A and C, extra large washer-C, small washer-A, flat washer-A, flat washer-chamfer-A, steel structure High-strength washer, spherical washer, conical washer, square oblique washer for I-beam, square oblique washer for channel steel, standard spring washer, light spring washer, heavy-duty spring washer, internal tooth lock washer, internal serrated lock washer , External tooth lock washer, external serrated lock washer, single ear stop washer, double ear stop washer, external tongue stop washer, stop washer for round nut.

Rail Washers

Flat washers are generally used in connectors. One is soft and the other is hard and brittle. Its main function is to increase the contact area, distribute pressure, and prevent the soft texture from being crushed. The basic function of the spring of the spring washer is to give the nut a force after the nut is tightened, increasing the friction between the nut and the bolt! The material is 65Mn (spring steel), the heat treatment hardness is HRC44-51HRC, and the surface is oxidized.

Spring washer, circlip is an elastic pad or card.

A lock washer that prevents bolts from loosening. The working principle of the lock washer is very simple. It consists of two pieces of washers. The outside is a surface with radial relief, while the inside is a helical tooth surface. When assembling, the inner helical tooth surfaces are opposed to each other, and the outer radial convex surface is in a state of engagement with the contact surfaces at both ends. Staggered, raising tension is generated, so as to achieve 100% locking.

Spring washers are widely used in load-bearing and non-load-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. The automatic selection of washers is included, but the anti-loosening ability of spring washers is very low! Especially in the European and American countries that require high reliability, the adoption rate is extremely low, especially the important load-bearing structure connection parts have long been abandoned. Our country has some applications in military industry, but it has been improved to stainless steel. Steel spring washers have long been banned in CASC! It is also said that it is very unsafe, because there are two 1s that are "ring-up" and 2 that is hydrogen embrittlement.

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