Online Consultation An electric welding machine is a device used to connect metal materials together. It uses the heat generated by the current passing through a welding rod or wire to melt the metal, thereby achieving the purpose of welding.
Main types
AC welding machine: It has the advantages of simple structure, low cost, and easy maintenance. It outputs alternating current, and the magnitude and direction of the current will periodically change. Suitable for general welding applications, such as welding low carbon steel, low alloy steel, etc.
DC welding machine: It outputs DC electricity and has the advantages of stable arc, small spatter, and high welding quality. It is divided into rotary DC welding machine and rectifier DC welding machine. The rotary DC welding machine consists of an electric motor and a generator, which are bulky and inefficient, and have gradually been phased out; The rectifier type DC welding machine converts AC power into DC power through a rectifier, which has the advantages of small size, light weight, and high efficiency, and is widely used in various welding fields.
Inverter welding machine: It is a new type of welding machine that uses inverter technology to convert power frequency AC power into high-frequency AC power, and then converts it into the required welding current through rectification, inverter and other circuits. Inverter welding machines have the advantages of small size, light weight, high efficiency and energy saving, and good welding performance. They are suitable for welding various metal materials, especially performing well in thin plate welding and stainless steel welding.
