... 隙消除装置且要求长的刀具寿命与良好的工件表面光度和低功率消 耗，故极适用顺铣，其典型之利用是铝材之精切削(finishing cuts)。
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高精密度切削工具 high precision cutting tool
超精密切削 ultra-precision machining ; ultra-precision cutting
精密完工切削 fine finishing cut
精密切削 precision cutting
超精密切削刀具 Ultra Precision Cutting Tool
精密磨削、切块、切片 precision grinding, dicing, and slicing
齿轮切削及精加工机床 Gearcuttingandfinishingmachines
机械工厂的切削加工有两种，分别称为“粗切削”和“精切削”。
There are two kinds of cuts in machine- shop work called, respectively, the "roughing cut" and the "finishing cut".
有些加工，如精度要求不高或需要切除的金属量较小，也可能只需一次精切削。
Also, in some jobs, fot example, when great accuracy is not needed, or when a comparatively small amount of metal must be removed, a finishing cut may be all that is required.
一般地说，钢质棒料、锻件、铸件等只经一次粗切削和一次精切削即可达到所要求的形状和尺寸。
Generally speaking, bars of steel, forging, castings, etc. are machined to the required shape and size with only one roughing and one finishing cut.
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