3. Forming processes and technology
3.1 Stamping
3.1.1 Stamping with blank holder
Blank-holder stamping is mainly used to manufacture dished ends. It is cold-formed for thicknesses up to 10 mm, and hot-formed for thicknesses over 10 mm.
Deep-drawing large-diameter dished ends differs significantly from deep-drawing cylindrical parts. When deep-drawing dished ends, there is a risk of wrinkles or dents appearing in the annular zone that is not in contact with the tooling. In this zone, the metal is subjected to tangential compressive...
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Forming processes and technology
Forming machines
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