The quality of the stamped component depend very much on the cutting clearance applied between the punch and die and it alignment. The cutting condition of any component can be seen easily from the appearance of the slug. If we take a closer look at the cut edge, we can easily see a rollover at the bottom...
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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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A friend from Australia wrote to me asking for assistance on one of his project. He had a tool, which used a pressure pad to flatten a Ø1″ tube followed by punching a ¼” square hole on it. The tool used the punched slug from the top thickness as the punch for the bottom...
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