... shaft bearing replacer ==> 轴承拆卸器 shaft blank ==> 轴坯 shaft bossing ==> 轴包套 ...
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丝杠冷打是在工具和丝杠高速相对运动中，以高速断续的方式击打丝杠轴坯，使丝杆轴坯局部塑性变形形成丝杠螺纹的一种无屑塑性成形技术。
Cold beating lead screw plays the role of high-speed relative motion in the way of high-speed blowing shaft blanks, so that local plastic deformation forms a non-chip metal forming technique.
料坯，其生产方法，和从该料坯制造的双轴拉伸容器。
Preform, its manufacturing method, and container produced by biaxially stretching the preform.
解决这一问题的关键是扩大铸坯等轴晶区比例，细化晶粒。
The key to solve these problems is enlarging equiaxed grain zone and fining grain size.
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