Chinese
english
A part between the connecting piece and the nut. A generally flat metal ring, which is used to protect the surface from the nut, and the pressure of the connecting piece. Spring washers in the screw industry, often called for the spring pad. Its material is made of stainless steel and carbon steel, and carbon steel.
Commonly used spring washers specifications are M3, M4, M5, M6, M8, M10.M12, M14, M16. these specifications are commonly used. Spring washer national standard 94.1-87 GB/T, Standard Specification for 2-48mm standard spring washers. Reference standard GB94.4-85 "technical conditions of the elastic washer spring washer spring washer" in the general mechanical products bearing and non bearing structure is widely used, which is characterized by low cost, easy installation, suitable for frequent disassembly parts. But the spring washer is very low! Especially in Europe and the United States in the demand for high reliability products in a very low rate, especially the important part of the structure of the connection has been abandoned for many years. Our country has some applications in the military, but has been improved for stainless steel. It is said that the steel spring washers in the early CASC is prohibited from using the! Also said that it is not safe for two reasons, 1 is "2 ring" is hydrogen embrittlement.
