在这种情况下，切削刀具即钻头快速转动，但工件却根本不动。
In this case, the cutting tool, thAT is, the drill, turns fast, but the workpiece doesn't move AT all.
利用所研制的快速伺服刀架、计算机控制系统，在超精密车床上进行了切削试验。
The cutting experiment is proceeded with a self-made fast servo tool and a computer control system on ultra-precision lathe.
通过使用该数据库系统，可快速获取金属切削所需的各项优化参数，并能选出合适的刀具。
Optimal cutting data can be quickly obtained and suitable tools can be chosen by using this metal cutting database.
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