However, square and rectangular tubes and pipes may also be bent to meet job specifications. Other factors involved in the bending process are the wall thickness, tooling and lubricants needed by the pipe and tube bender to best shape the material, and the different ways the tube may be used (tube, pipe wires). The first all-electric tube bending machine was invented in 1995 by UK company Unison Ltd.īased in Scarborough, North Yorkshire, Unison developed bending machines with 20mm, 40mm and 65mm tube capacity. The very first machine went into service in 1996 and is still in production.Ī tube can be bent in multiple directions and angles.
Common simple bends consist of forming elbows, which are bends, and U-bends, which are 180° bends.
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