The kneading block geometry is calculated comprehensively according to kinematics principle and modification of geometry is made to satisfy the practical running condition.
根据相对运动学原理建立了捏合块几何形状数学模型，并根据实际运转条件，对捏合块的几何形状作了修正。
The springback is extracted to be a basis of modification of die geometry. An iteration algorithm is given to obtain the optimum geometry of die.
把回弹量作为修改模具几何的基础，本文给出了一个获得优化模具几何的迭代算法。
Then expatiate the geometry structure parameter and the ponderance of modification wrap.
阐述了双头涡旋型线几何结构参数及其修正的必要性。
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