采用组合铣刀切断灰口铸铁材质的汽车发动机主轴承盖时，出现工件掉渣、刀具崩刃、噪声大等问题。
Problems of falling chip, tool tipping and big noise are happened during cutting off main bearing caps made of gray casting by using combination milling cutters.
在此工艺中，金属去除是通过铣刀的旋转运动和工件的直线运动的组合实现的。
In this process, metal removal is achieved through combining the rotary motion of the milling cutter and linear motions of the workpiece simultaneously.
开发设计了组合式、整体式两类高速可转位面铣刀产品。
Two types of indexing milling cutter has been designed by the author.
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