Oxidation wear appeared at the wear edge of rake face and flank face of cutting tool.

硬质合金刀具的氧化磨损主要发生在刀具前刀具和后刀面的磨损边缘区。

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The top view micrographs show the cutting edge and the rake face of the tools.

俯视显微照片显示了刀具的切削刃和前刀面。

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A new profiling method (shaper cutter with complicated curved rake face) of carbide shaper cutter is presented. Based on it, the mathematical model of cutting edge is established.

在提出一种硬质合金插齿刀的新构形方法(异形凸曲前刀面插齿刀)的基础上，建立了切削刃的数学模型。

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In addition, Mr. Branson and his team also face challenges in predictably producing the cutting-edge spacecraft and operating a spaceport in New Mexico.

WSJ: Virgin Galactic Spacecraft Tests Its Rockets in Flight