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Deep Draw Stamping
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Deep Draw Stamping
Bandy's deep draw stamping process combines the advantages of metal spinning and stamping by allowing for a seamless part that is still cost effective for large quantity runs. During the deep draw process, a part is transferred to consecutively deeper molds until it reaches a designated shape and depth. The deep draw process can produce almost any shape part from a circular part to a rectangular part.
The deep draw process is commonly used in the automotive and heavy truck markets to produce structural components like fuel brackets and crossmembers. The appliance market also uses the deep draw process to form one piece consoles for ranges, washers, and dryers.
Deep Drawn tooling is used for components that are typically elongated and round in shape. Working much like a progressive die, deep drawn tooling will commonly start by forming a large version of the finished product that is repeatedly drawn smaller and longer through a series of tooling to achieve the appropriate size and shape at which point it can be cut off and ejected from the tool.
Producing deep drawn metal stampings is a complex process in which flat, sheet steel is formed into simple or more complex components. From a coil of flat strip metal, the material to be drawn is placed over a shaped die and pressed, in stages, with a punch. A circle or disc of sheet metal is first blanked from the coiled stock as the first station in the die. Then the flat blank is cupped around the nose of a punch and pressed into a die to form a cup. During the drawing process, the metal is formed under the pressure of the stamping action of the press. Forces of tension (in the steel wall) and compression (in the shell flange) are induced as the steel is stretched by the “nose” of the punch into the die. These forces within the deep drawn metal stampings tend to thin the shell wall and thicken the shell flange. Depending on the length to diameter ratio, several draws may be required to create the basic shape of deep drawn metal stampings. In the drawing process several stepped diameters may also be created in the part. A wide variety of in die stations can be developed to provide additional features. These additional features may include: coining, bottom piercing, multiple side piercing, extruding, embossing, marking, burnishing, ironing, chamfering, flange forming, shaped flange trimming, beading, reverse drawing, and rib forming.
We are OEM manufacturers. Please contact us for your specific Deep Draw Stamping requirements.
Bandy Incorporated | 201 S. International Rd., Garland, TX 75042 | Ph: 972.272.5455 | Fx: 972.272.5613 | www.bandyco.com |
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