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Refeed System
・The refeeding system consists of cutting -> preforming -> piercing. The slugs are formed, and by annealing, the hardness is removed. In order to ensure that the thickness is consistent, a phosphate coating is applied after the hole is chamfered. The slugs are again supplied to the former and formed.
・It is possible to use slugs from thick material (not coiled) and pipe material, allowing for a wider range of applications such as net shaping.
There are several types of refeed methods, but the supply method will depend on the slug shape and material.
Fig.1 The cutter knife is exchanged for the slug chucker, and the slug is supplied by the cutter section.
Fig.2.This is the supply system that is set up outside of the machine.