This process is the workhorse of high-volume manufacturing, such as automotive assembly lines, due to its speed, ease of automation, and ability to weld thin materials effectively. The energy source is the defining characteristic of each welding category, ranging from an electric arc between a consumable electrode and the workpiece to a focused beam of light or a stream of inert gas protecting the molten pool.
Selecting the Right Welding Process Types for Your Project
Excellent for welding in difficult positions, including vertically overhead and in confined spaces. Gas Metal Arc Welding (GMAW/MIG) Gas Metal Arc Welding (GMAW), commonly called MIG (Metal Inert Gas) welding, is a semi-automatic or fully automatic welding process types that uses a continuously fed wire electrode and a shielding gas to protect the weld pool.
The wire feed and arc voltage are typically set by the machine, allowing the operator to focus on guiding the gun along the joint. Effective on a wide range of metals, including structural steel, stainless steel, and cast iron.
Choosing the Right Welding Process Types for Your Project
Core Principles and Heat Sources All welding process types rely on a common principle: applying sufficient energy to melt the edges of the materials being joined, allowing them to fuse as they cool. Welding is the high‑temperature process of joining metals by melting the base material and, often, a filler metal to create a permanent bond.
More About Welding process types
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