![]() The standard equipment without mandrel is the simplest one, but it implies the risk of the tube deformation and wrinkles that appear internally to the tube. Bending with mandrel tube bending machine.So-called “Canadian Bending” equipment, always performed with tube bending machine without mandrel.Standard tool with tube bending machine without mandrel.There are 3 different types of equipment with which we can bend these tubes: How can we bend square and rectangular tubes? Concavity is less problematic on thicker-walled materials. When a rectangular tube is bent, the material often has less deformation if it is bent in the hardway direction. Hardway bending requires more effort to the pipe bending machine, but with the same thickness, the deformation of the bent pipe will be less than easyway bending. In easyway bending, the greater the difference between the sides of the tube (for example, a 2-inch x 3/4-inch section has a greater difference than a 1-1/4-inch x 3/4-inch section), the greater the deformation or concavity on the inside and outside of the bending.
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