Thrust cone has deep cavity and thin wall. Wall margin is hard to control during the forging process.
推力锥产品存在深腔、薄壁结构，锻造工艺过程中壁厚差难以控制。
Introduced in detail calculation method of drawing process of a thin-wall and deep-cone part, provided certain reference to the similar parts pressing process.
对薄壁深锥零件的拉伸工艺计算进行了详细的介绍，对同类零件的冲压工艺编制提供了参考。
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