It summarized the significance, structure characteristics and application scope of fast exchanging punch (matrix) and introduced the size standard of several kinds of fast exchanging punch (matrix).
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释义
概述了快换凸模的意义、结构特点和适用范围,介绍了几种常用快换凸模(凹模)的尺寸规格等,以便于设计应用。
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