Invention Application
US20020148272A1 Method and apparatus for forming deep-drawn articles 有权
用于形成深冲制品的方法和装置

Method and apparatus for forming deep-drawn articles
Abstract:
The invention is directed to apparatus and a method of using the apparatus to draw a blank into a product. The apparatus includes a die having a cavity to receive the blank being drawn into the product, a clamp adapted to apply an adjustable force against the blank during the drawing operation, and a mandrel comprising a plurality of nested tool segments, the tool segments independently extendable to engage and draw different portions of the blank into the desired product within the cavity.
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