A column and boom is a machine that is made up of a "column" of metal going vertically and a "boom", which is a piece of metal that runs along the column horizontality. The boom can move up and down the column, and has a form of welding equipment at one end and a counter weight at the other.
Column and Boom welders allow for easy access to different parts of the metal work piece. For large work, a column and boom allows for the welder to reach the top and move across the metal without hassle.
Why do we need column and boom welders?
Normally, reaching the top of large work pieces can be difficult and hazardous work. If that work piece is a large pipe, the welding work is made harder because of the curvature of the pipe.
A column and boom welder removes that difficulty. Able to move vertically and horizontality across the metal, the column and boom welder enables much more to be carried out in high demand processes.
Column and booms when used with pipe rotators/turning rolls for a continuous weld in production of steel tubular, such as tanks and vessels, using the circumferential saw (submerged arc)method, used in pipeline processing plants etc.
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