切刀旋转法 Flow spinning
旋转切断刀 rotary cut-off knife
螺旋形切刀 [机] spiralled knife
左螺旋槽右旋切削铰刀 hand cut reamer
旋刀切药机 rotary knife cutter
电脑控制螺旋刀横切机 Computer-controlled helix knife crosscut machine
螺旋型滚刀式切丝机 spiral rotary type cutter
试验结果表明，节能旋耕刀的切土功耗显著低于现有旋耕刀，二者耕作质量相同。
The test results show that the tilling energy consumption of the blade is significantly less than that of the conventional blade, and that both the tilling qualities are same.
设计出六种具有相同侧切刃的等耕深、等安装角圆弧母线正切面旋耕刀，并对正切刃、正切面诸参数进行了优化和选择。
Six kinds of rotary blades with same tillage depth and same mounting Angle are designed which have the circular element scoop surfaces. The parameters of the scoop surface are discussed and optimized.
所设计的正切刃口曲线将作为曲导线用于构造下切式节能旋耕刀正切刃面。
The designed widthwise edge curve will be used as a directix curve to form scoop surface of the energy-saving down-cut rotary blade by scanning method.
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