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Cold heading steel wire rod is the raw material used for manufacturing fasteners such as bolts and rivets. The cold heading process involves one or multiple impact loadings, which enhance the tensile strength of the workpiece through cold w....
It is often said that a thousand-mile dike can collapse due to an ant hole. Although screws may seem) small (relative to the equipment they are part of), their impact can be significant when things go wrong. At best, they can cause unexpect....
Bolt assembly is divided into two levels: the torque method and the angle method. The first is the **torque method**, which has the advantage of requiring relatively simple equipment. A standard electric tool or a torque-controlled pneumati....
Currently, there are two economical assembly methods: 1. Reducing the number of components and simplifying assembly through design. 2. Selecting the most suitable connection process for the material and the best geometric connection form. T....
The core of thermal fusion fastening technology lies in its unique process. When a screw rotates at high speed and comes into contact with a metal sheet, the heat generated by friction causes localized softening of the metal, forming a plas....
As mentioned earlier, galvanized bolts are not entirely rust-proof; they only delay the onset of rust. So, why do galvanized bolts rust, and how can we prevent it? Lets delve deeper into this issue. **I. The Galvanized Layer is Not an Impen....
**Thread Rolling and Its Characteristics: Practical! No Need to Search for Information Every Time** Bolts and screws are the most widely used and mass-produced external threaded fasteners. The most common processing methods for these fasten....
In recent years, high-strength bolts have been increasingly used to enhance the strength of bolted joints. High-strength bolt connections are also widely used in subway vehicle system)s, especially the bolted joints between braking units an....
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