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Pipe Bending
By admin | July 4, 2008
There are many ways to perform pipe bending, here are two of the methods that are used:
·Mandrel
·Table Forming
Mandrel pipe bending uses a metal shaft, or mandrel, fitted inside the steel pipe. As the mandrel moves, it bends the metal around the appropriate sized die to form the radius. Mandrel works best when the steel pipe has a heavy wall and/or requires a tight radius because it prevents the material from rippling. Mandrel can only bend steel pipe up to 180 degrees, but it produces a bend that is uniform all the way up and down the pipe.
Using the Table Forming method, the steel pipe is laid out straight and the ends are pulled around the appropriate sized die to form the radius. Table forming is used to bend smaller, heavier steel pipes that require a tight radius.
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