根据工艺尺寸式原理，建立所有以设计尺寸及余量为封闭段的尺寸式，并生成方程矩阵。
Based on the principle of working dimension formula, the confining dimension formulae for each working dimension and margin are established, and formed into matrix equations.
闭塞式精密塑性成形工艺适合于成形一些形状复杂、尺寸要求、表面质量和使用要求较高的零件。
Fully closed precise plastic forming processes are suitable to the forging which have complex shape, high dimension accuracy, good surface quality and using properties.
而且，对于闭式模锻工艺而言，坯料尺寸直接影响模锻工艺的顺利进行。
And as for the closed die forging, billet size will affect the process directly.
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