Bolts made of high-strength steel or requiring large preloading force can be called high-strength bolts. High-strength bolts are mostly used to connect bridges, rails, high-pressure and ultra-high-pre ...

During the long-term operation of water pumps, wear of bearing chamber, bearing position, crack rupture of pump body, cavitation and erosion of water pumps often occur. After the above problems occur, ...

Hardware package adhesive has the distinction between true package and false package. True encapsulation is to use the compatibility of soft glue and hard glue in softening and melting to form a layer ...

There are so many kinds of hardware fittings for doors and windows. How many do you know? There are many kinds and specifications of hardware products for door and window fittings, but hardware p ...

What are the types of cylinders? The following is a short edition of Yushi to share with you: (1) Actions can be divided into single-action and double-action. As shown in the structure diagra ...

Many users will not operate the machine after purchasing the ultrasonic vibrating screen, the use instructions are easy to lose, resulting in the situation that the equipment can not be used. The f ...

Metal materials are used more and more in all kinds of existing products, because metal materials can better reflect product quality and highlight brand value. Among many metal materials, aluminium ...

Surface treatment is a process of artificially forming a layer on the surface of matrix material with different mechanical, physical and chemical properties. The purpose of surface treatment is to mee ...

Distinguish by material It can be divided into four categories. A. Metal well covers: cast iron, ductile iron, bronze well covers, etc. B. High-strength steel fiber cement concrete well ...

1. Hook There are many kinds of hooks, there are very standard plastic hooks, there are some strange shapes. Generally speaking, no matter what kind of accessories, the stranger the shape, the le ...