本文通过对钣金件翻边孔冲压加工的工艺研究,改善冲压模具结构以解决翻边孔带废料问题。%Through the research on turned-out holes’ punch process, it improves the structure of punching tooling mold and eliminate the waste during punching turned-out holes. Practical practice showed that it reliable and effective, and it can be popularized and applied.
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