文章分析了在切削力、重力和顶尖顶紧力的作用下，超细长轴车削加工中常见的工件缺陷的产生原因。

Have analysed in the role that cuts force, gravity and center very tight force take off, exceed the common workpiece defect in slender axle turning processing produce reason.

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进行碳纤维复合材料切削加工时，易产生各种加工缺陷，刀具磨损快，尺寸控制困难。

It is easy to produce a lot of machining defects for carbon fibre composite material in cutting processing. Tools wear quickly and it is hard to control size.

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分析了陶瓷材料在切削加工中产生缺陷的机理，并提出了解决方法。

The cause of bug about ceramal in the process of cutting are analysed in this paper , and the methods of solutions are brought forth.

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