Category: Welding

1. Method and Technique of Spot Welding. 1.1 Spot Welding Method. Spot welding is generally divided into two categories: double-sided spot welding and single-sided spot welding. In double-sided spot welding,…

Welding gas mainly refers to the protective gas used in gas shielded welding (carbon dioxide gas shielded welding, inert gas shielded welding), as well as the gas used in gas…

Introduction Definition of spot welding Spot welding refers to a welding method that uses a cylindrical electrode to form a welding point between the contact surfaces of two overlapping workpieces…

Welding technology is a prevalent technique in the field of mechanical manufacturing and has been extensively applied in various stages of industrial production. It plays a pivotal role in promoting…

As high-strength welding structural steel, the carbon content of this type of steel is limited to a low level. Generally, the mass fraction of carbon is less than 0.18%, and…

Principle and development Variable polarity plasma arc welding (VPPAW), namely asymmetric square wave AC plasma arc welding, is a new efficient welding process developed for aluminum and its alloys. This…

In industrial production, equipment that runs continuously may experience leaks for various reasons, such as leaks in pipes, valves, containers, etc. These leaks can negatively impact production stability, reduce product…

Cemented carbide is a general name of alloy prepared by powder metallurgy from 9 kinds of metal carbides of IVa, Va and VIa groups in the periodic table of elements…

Is electric soldering iron welding with tin toxic? Some netizens complained that they worked in a PCB factory and used an electric soldering iron to weld tin for a whole…

The overlay welding process has high efficiency and low equipment cost , and is widely used in the manufacturing and repair of parts, the modification of material surfaces, and the…

I. Concept of Welding Process Evaluation Welding process evaluation is a preliminary preparation for the entire welding operation. It is a process of testing and evaluating the accuracy of the…

Causes of fatigue failure of welded structures The causes of fatigue failure of welded structures mainly include the following aspects: ① Objectively, the static load-bearing capacity of welded joints is…