What is Welding Gun?

A welding gun is a handheld tool used in welding processes to deliver the necessary heat and filler material for joining metals. It is an essential component of various welding methods, including MIG (Metal Inert Gas) welding and Flux-Cored Arc Welding (FCAW). The welding gun plays a crucial role in controlling the welding process and ensuring the quality of the welds.

Components of a Welding Gun

A typical welding gun consists of the following components:

Function and Operation

The welding gun performs several crucial functions during the welding process:

Types of Welding Guns

There are different types of welding guns available, designed for specific welding processes and applications. Some common types include:


The welding gun is a fundamental tool in welding processes, allowing welders to create strong and reliable joints between metal components. It provides the necessary heat, electrical current, filler material, and shielding gas to ensure successful welds. Understanding the components and operation of a welding gun is crucial for welders to achieve accurate control, efficiency, and high-quality welds in their projects.