基于滑移线场的简化流动模型，运用数学方法求解出了一种锥形模正挤压变形力的最佳上限解，并将该上限解用通用解析式表达出来。
The deforming force of cone-die direct extrusion is solved by a mathematic method based on the simplified flow model of slip line field.
并导出了平底及锥形凹模内正挤空心件时单位挤压力的计算公式。
The formulas of extrusion for hollow parts in the square dies and the conical dies has been derived.
并导出了平底及锥形凹模内正挤空心件时单位挤压力的计算公式。
The formulas of extrusion for hollow parts in the square dies and the conical dies has been derived.
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