弧齿锥齿轮刮削刀盘采用了斜角切削，在刮削过程中工作角度发生了变化。

The scraping cutter is used with an oblique Angle to cut a gear, and the working Angle is changed during scraping.

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主要阐述了采用自制新型水介质等离子弧设备对氮化硅陶瓷材料进行加热辅助切削的试验条件及过程。

This paper introduces the experiment condition and process to carry out hot cutting on silicon nitride ceramics materials with new self-made water-plasma arc equipment.

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试验模拟了切削面积、接触弧长、切削面形状、切削齿后倾角和岩石性能对PDC切削齿破岩受力的影响。

The effects of cutting area, contact arc length, the geometry of cutting face, back dip angle of PDC cutter and rock performance on force of PDC cutter breaking rock were simulated experimentally.

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