For calculating the cost of the cavity/core, the dissertation brought forward the concept of volume rate for roughing, and the concept of surface rate for finishing, which embodied the real manufacturing of the mold.
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美
- 在型芯/型腔加工成本的估算上也提出了體積加工率和面積加工率的概念,體積加工率計算粗加工工時(shí),面積加工率確定精加工工時(shí),體現了型芯/型腔的加工過(guò)程,計算結果具有較強的可信度。
