The geometric Angle of the blades of cutting tools is one of the difficult (complex) concepts in teaching the theory of metal cutting and cutting tools.

刀具几何角度是金属切削原理及刀具课教学中的一大难点。

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Finally, design principles and methods of designing metal cutting machine tools, clamps of machine tools and tools are discussed comprehensively and systematically.

最后较为全面、系统地讲述金属切削机床、机床夹具和刀具设计原理和方法。

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In 2007, the combined amount of CNC metal-cutting and forming tools produced in China was 126, 268, more than double the amount produced in 2005.

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Sweden's Sandvik (6.6, SDVKY) fell 70% in the bear market as the recession whacked sales of its metal-cutting, mining and construction tools as well as specialty alloys based on titanium and zirconium, used in thousands of applications like boiler tubes and flanges.

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