When blanking and cutting in the middle of components, there will be the problem of bonding and tightening between tools and components.<br>Solution:<br>(1) Leave a certain slope<br>(2) Cut surface connectivity<br>When lapping in a process and forming 90 ° bending edge by punching method, the material selection shall pay attention to that the material shall not be too hard. Otherwise, it is easy to break at the right angle bend. Process cuts shall be designed at the bending position to prevent cracking at the corner.
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