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Understanding More About Deep Drawing Process

Deep drawing is a sheet metal shaping method that uses the mechanical action of a punch. Under consistent hydrostatic pressure, a flexible rubber diaphragm forms a flat sheet metal blank over a rigid, single, shape-defining tool. 

This process produces smooth, un-scratched parts regardless of the thickness of the sheet or the difficulty in the tools, such as cutting undercuts. High pressure for forming guarantees precision parts straight from the press, with minimal or no handwork needed. 

The process is deemed to be deep when the thickness of the part drawn is greater than its diameter. This is accomplished by drawing the piece using a series of dies. You can know more about deep draw presses online.

6 Benefits of the Deep Drawing Forming Process - Wiley Metal

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The area of the flange, which is the sheet metal within the shoulder area of the die, has radial draw stress and tangential compression stress because of the material's retention property.

These compressive stresses, known as hoop stress, can cause wrinkles on the flange. The wrinkles can be averted by the use of a blank holder, its purpose is to help control material flow within the die radius.

Deep drawing is classified into two categories: conventional and unorthodox deep drawing. The principal goal of any unorthodox deep drawing procedure is to increase the capabilities of the method.