When to match the gasket (flat pad, spring pad)
Padwith The part between the connector and the nut. Generally, it is a flat metal ring, which is used to protect the surface of the connected part from the nut, and the pressure of the dispersing nut on the connected part. Spite washer spring washer (generally the manufacturer will call the washing machine called "Hua Si") flat washer flat Washer flat washers are generally used in the joints. One is soft and the other is hard and brittle. Its main function is to increase the contact area, disperse the pressure and prevent the handle. The soft ground is soft and the spring washer's basic function is to give the nut a force after tightening the nut and increase the friction between the nut and the bolt! The material is 65Mn steel (spring steel), the heat treatment hardness is HRC44~51HRC, and it is surface oxidized. Huasi, washers, mesons are the same stuff, and the name is different. The circlip is a resilient cushion or a card lock washer
Lock washer A washer that prevents loose bolts. That is, the elastic washer, the working principle of the lock washer is very simple. It consists of two washers. The outer side has a radial ridge surface and the inner side is a slanted tooth surface. When assembled, the inner oblique tooth faces are opposite each other, and the outer radial ridge surface is in a meshing state with the contact faces at both ends. When the connecting member is subjected to vibration and the bolt is loosened, only the inner side of the two washers is allowed to be opposed to each other. Displacement, resulting in lifting tension, thus achieving 100% locking.