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| Deep Drawn Enclosures |
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Typically the deep drawing press pushes material from a reel, or single blanks through multiple positions. At each position the shape is changed by pressing or “drawing” the material further down into a progressively changing set of geometries until the final shape is acquired. Other times single blanks are held in place and pressed down into the cavity of the shape to produce the item. Whether the process requires multiple steps, or a single step to create the desired result depends largely on the metal being used and the requirements of the finished product. Deep drawing is different from stamping. Stamping often requires that the material being used be carried along on a strip until the last operation is performed on the piece. It does not leave the machine until the end of the process is complete. Utilizing single piece blanks, as is common in the deep drawing process, enables the drawing process to create parts with deeper shapes. There are many metals suitable for deep drawing including stainless steel, brass, and cold rolled steel. The only real requirement is that the metals should be malleable, allowing the part to be forced into a shape without suffering from stress or tension damage during the deep drawing process. |

The deep drawing process combines many of the qualities of metal spinning and stamping as well as several other advantages. Spinning and drawing result in the production of seamless parts. Depending on quantities, either process can be cost effective.