在研究冲压工艺加工需求和加工工序的基础上，应用多色集合理论建立了冲压工艺规划的数学模型。
Based on study of punching process requirements and processing sequence, the polychromatic sets theory was applied to construct the mathematical model of punching process planning.
对弹性阀座的机械加工工艺和冲压加工工艺进行了对比，并分析了冲压加工所产生的误差，介绍了冲压加工的特点及级进模的结构。
Contrasting machining technology with punch technology of elastic seat ring, analyzing the error created by punching, introducing the characteristic of punching and the structure of cut and carry die.
设计制作了专用的微小型腔冲压实验装置，从机构设计上保证加工工艺对微小型腔冲压深度的精确控制。
A micro cavity stamping equipment is developed and its mechanism is especially designed to ensure the stamping depth accuracy.
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