Metrology Glossary: Welder

What Is A Welder?

A welder or welding machine is a tool that employs heat to fuse two or more pieces of metal together, typically through the utilization of an electric arc, a gas flame, or a laser. Multiple types of welding machines exist, yet they all operate on a common fundamental principle. They work by providing an electric current to the welding electrode, creating an electric arc between the electrode and the metal being joined. The heat generated by the arc causes the metal to melt, and the liquefied metal is added to the joint. The choice of welder and welding method depends on factors such as the metal type, thickness, and the desired weld strength.

What Are Welders Used For?

Welders play a crucial role across diverse applications. In construction, they unite metal components for buildings, bridges, and ships. Welders also contribute to manufacturing by fabricating products like automobiles and machinery. They’re indispensable for repair and maintenance in industries such as automotive and aerospace. Additionally, welders are vital in joining pipes for plumbing and heating systems. Their versatility and proficiency make welders integral to numerous sectors, contributing to structural integrity and product fabrication in a variety of applications.