Here concave type of geometry is the one in which the local center of curvature of workpiece and tool center lie on the same side.

这里凹面型的几何一个在当地的中心曲率的工件和刀具中心所在站在同一边。

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We could quickly change punch and round concave at anytime production required, the quick location of turntable like nc revolving tower type press machine, it could produce many kinds of productions.

根据具体情况随时可以快速调换相应的凸模和圆凹模，及转盘的快速定位，类似于数控转塔冲床，来达到加工产品多品种的要求。

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The present study numerically investigated a conceptual type of internal steam cooling vane with the impingement cooling technology on the basis of plane model and concave model.

在对射流冷却平板模型和射流冷却凹板模型数值模拟的基础上，设计了射流冲击冷却式蒸汽冷却叶片，并对其进行了热耦合数值模拟。

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