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为了提高圆锥滚子冷镦凹模的使用寿命,应用强度理论设计了一种予应力组合凹模(如图),其主要结构尺寸及过盈量如下:
In order to improve the service life of cold heading die of tapered roller, a prestressing composite die (see picture) is designed according to the strength theory. The main structural dimensions and interference are as follows: