Deep Drawing is a specialized sheet metal forming process where a flat sheet metal blank (called a "blank") is radially drawn into a forming die by the mechanical action of a punch. The goal is to create hollow, seamless parts that are significantly deeper than their diameter (or width). The blank is clamped tightly around its edges by a "blank holder" or "draw ring" onto the die. The punch then forces the metal into the die cavity. The metal flows plastically from the flange area (the clamped edges) into the die, forming the walls of the part. Multiple draws ("redrawing") are often required to achieve very deep shapes without tearing the metal. Deep Drawing can be used to manufacture a vast array of everyday items and industrial components: kitchen sinks ,bucket, automotive parts (fuel tanks, oil pans, fenders, structural components), cookware (pots, pans) and beverage cans (though often a combination of drawing and ironing),cylinders, housings, enclosures, medical device components,etc. Commonly used metals include cold-rolled steel, pre-galvanized steel, aluminum, stainless steel, copper, brass.
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