Knowledge

Spring washers are widely used in the bearing and non-bearing structures of general mechanical products. They are characterized by low cost and easy installation, and are suitable for parts with frequ

It is integrally vulcanized by a rubber ring and a metal ring. It is a sealing ring for sealing threads and flanges. The ring consists of a metal ring and a rubber gasket. The metal ring is rust-proof

Washers are divided into: flat washers - class C, large washers - A and C grades, extra large washers - C grade, small washers - grade A, flat washers - grade A, flat washers - chamfered type - A grad

Refers to the part between the connected piece and the nut. Generally, it is a flat metal ring for protecting the surface of the connected member from the nut and the pressure of the dispersing nut ag

The production of stud bolts requires fixed assembly and machine tool processing. Of course, the machining procedure is relatively simple. There are mainly the following processes: First, the material

Studs generally need to be surface treated. There are many types of bolt surface treatments. Electroplating, blackening, oxidation, phosphating, and non-electrolytic zinc coating treatments are common

1. Used in the main body for large equipment, you need to install accessories, such as sight glass, mechanical seal seat, reduction frame and so on. At this time, the stud bolt is used, one end is scr

Studs, also called double-headed screws or studs. Used to connect the mechanical fixed link function, the stud bolts are threaded at both ends, and the middle screw is thick and thin. Generally used i