To develop the flat blank contour of a drawn corner for rectangular drawn shell is not an easy task and there isn’t any formula that will produce a flat blank corner contour exactly conform to the print. Extra material will always produce at the edge near the center-line of the drawn radius; this is...
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Many tool designers always ask the same question, “How to compute the flat blank dimension of a deep drawn product?” Seem like developing the flat blank profile is one of the tougher task when comes to designing a deep draw tool Recently we have a request from one of our customers to build a...
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In any press tool design, the first thing to consider is how to determine the flat blank length of the folded component. I won’t go into the boring theory of how the material behaves during bending and how the individual material property affects the length and spring back. To be frank, I hate all these theories! During the bending...
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