![]() ![]() Using the correct mandrel we can achieve bend radii as tight as the tube diameter with close to zero deformations depending on wall thickness, material specification and tooling availability. Those bends below two times the diameter of the tube usually require mandrel bending. In the more demanding applications a flexible mandrel is used which can flex in all planes reducing wrinkling, stress and breaking during the bending process and allow for bends of multiple different directions and angles. Normally the mandrel is a straight rod with a hemispherical end. ![]() With our extensive range and access to mandrel bending tooling we are able to handle any such bending task. The mandrel’s objective is keeping the tube from collapsing. ![]() Bending a small radius, thin tubes or harder materials can result in an unsatisfactory outcome. Using our draw bending process it is possible to support the tube at the point where the bending is taking place by inserting a mandrel down the centre of the tube. In bending steel and aluminium tubes, a mandrel is necessary for more difficult jobs. We provide mandrel bending to overcome material wrinkling or collapse during forming which can occur with some tubing of thin wall relative to its diameter or based on material specification. ![]()
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