Application of hot-dip galvanized expansion bolt
Release Time:
2022-10-21
In the application of hot-dip galvanized expansion bolts, there are many names for bolts, and everyone may call them differently. Some people call them screws, some call them bolts, and some call them fasteners. Although there are so many names, they all have the same meaning, they are all bolts. Bolts are a common term for fasteners. Bolts are tools that use the physical and mathematical principles of the circular rotation and friction of the bevel of an object to gradually tighten utensils and parts.
In the application of hot-dip galvanized expansion bolts, there are many names for bolts, and everyone may call them differently. Some people call them screws, some call them bolts, and some call them fasteners. Although there are so many names, they all have the same meaning, they are all bolts. Bolts are a common term for fasteners. Bolts are tools that use the physical and mathematical principles of the circular rotation and friction of the bevel of an object to gradually tighten utensils and parts.
Bolts are indispensable in daily life and industrial production. Bolts are also called industrial rice. It can be seen that the bolt is widely used. The scope of application of bolts is: electronic products, mechanical products, digital products, power equipment, electromechanical products. Bolts are also useful in ships, vehicles, hydraulic engineering, and even chemical experiments. Anyway, bolts are used in many places. Such as the precision bolts used on digital products. DVD, miniature bolts for cameras, glasses, clocks, electronics, etc .; general bolts for televisions, electrical products, musical instruments, furniture, etc .; as for engineering, construction, bridges, large bolts and nuts; transportation equipment, aircraft, trams, automobiles Use the same size bolts. Bolts have important tasks in industry. As long as there is industry on the earth, the function of bolts is always important.
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What are the classification and use of high-strength bolts?
High-strength bolts are special bolts made of high-quality carbon steel or low-alloy steel. They are called high-strength bolts because of their high strength. High-strength bolt connections have the advantages of simple and fast installation, good mechanical performance, assembly and disassembly, high pressure bearing, safety and reliability, etc. High-strength bolts are a new type of steel structure connection method developed after riveting connection, and have now developed into one of the main means of steel structure connection today. 1. Classification of high-strength bolts High-strength bolts can be divided into two types: large hexagonal head type and torsion shear type in appearance; if they are divided into 8.8, 10.9, 12.9, etc., according to the performance grade, the large hexagonal head high-strength bolts currently used in our country have 8.8 and 10.9 grades, while the torsion shear type high-strength bolt strength bolt is only 10.9 grades. The large hexagonal head high-strength bolt connection pair consists of a bolt, a nut and two washers (the screw head and the nut each have a washer): the torsion shear type high-strength bolt connection pair consists of bolts, nuts and washers. When bolts, nuts and washers form a connection pair, their performance levels must match. 2. According to the connection method, high-strength bolts can be divided into three types: friction connection, tensile connection and pressure connection. Friction connection and pressure-bearing connection are both shear connection. Bolt friction connection trans
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