... shim n. 肩，台肩，凸出部，挂耳，胎缘， vt. 肩，挑起，负担 shoulder n. 台阶孔 shouldered hole n. 碳化硅，金刚砂 v. 下沉，降，减少，挖，掘，雕，刻，打进，埋入 n. 穴，沉，沟，变换〔互换，换能，改变〕器，散热器 ...
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使用时只需将浇口杯底部的内台阶孔插在消失模的直浇道上即可。
When the runner cup is used, the inner stepped hole arranged at the bottom of the runner cup is inserted into the downsprue of the lost foam.
分析了压边力的作用及其大小对这种复合台阶孔成形性能和成形质量的影响。
The function of the blank holder force (BHF) as well as its influence on the forming performance and forming accuracy of combined stepped-hole were analyzed.
为了解决这个问题 ，作者分析了车削 （镗削 ）加工台阶孔时 ，误差产生的原因 ； 并设计了车削该台阶孔的专用机床 ：工件的旋转作为主运动 ，两把车刀从两端进给运动 ，分别车削两段台阶孔。
To solve this problem, The author analyzes the reasons why the errors are generated in turning (boring) and designs the special machine, in which the rotation of part is main moveme.
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