What is Flowforming?

The flow-forming is a method of cold forming without chip removal, components used to manufacture tubes of high dimensional accuracy without a welded cord.
Flowforming is a technique used in the manufacture of tubes usually with thin walls. Obtaining the final shape is achieved by applying pressure with rollers on one or several runs against the mandrel, being able to obtain a thickness reduction which can reach 90%, hence, the materials used in this process tend to be soft and ductile.

To simplify and facilitate the process can be from a preform whose volume corresponds to the end piece, which can be manufactured by forging. The use of this technique results in a fiber routing and a cold-hardening the metal.
This reduction can vary from one area to another part of getting heterogeneous properties according to the desired requirements.

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