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The use and specifications of domestic spring washers

by:Tronshal     2022-03-18
In the slewing bearing of domestic engineering cranes, spring washers or double nuts and flat washers are used to prevent the connection bolts from loosening, and there are shortcomings in practical applications. However, in the cranes produced, the connecting bolts of the slewing bearing are all made of conical spring washers, which are reliable in preventing loosening and have good effects. This new type of washer was introduced to the domestic crane, and analyzed and discussed from the aspects of mechanism, calculation, manufacturing process, test and so on. Spring washers are widely used in the load-bearing and non-load-bearing structures of general mechanical products. They are characterized by low cost and convenient installation, and are suitable for parts with frequent assembly and disassembly. Spring washers are often called spring washers in the screw industry. Its materials are stainless steel and carbon steel, and carbon steel is also iron. The commonly used spring washers are M3, M4, M5, M6, M8, M10, M12, M14, M16. These specifications are more commonly used. The national standard for spring washers is GB/T 94.1-87, which specifies standard spring washers with a size of 2-48mm. Combination sealing washer is used for threaded pipe joints and screw plug sealing. It is generally used with ferrule type pipe joints to block oil ports. It is mainly used for end face static sealing of threaded joints of hydraulic valve pipe joints. It is suitable for British and American standards. Inch thread and end face static seal at French and German standard metric thread connections, etc. The combined sealing gasket can be divided into A type and B type according to the structure; it can be divided into full package and half package according to the difference of rubber.
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