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介绍了不同定义下的螺旋角对应的带角圆柱状铣刀的刃口曲线、NC加工进给速度的设计及实得沟槽方面的相异模型，并用计算机实施了模拟，给出了相应补偿处理方法，指出了与经线成定角定义下的这种铣刀设计与NC加工更易于实现的优势．
The cutting edge curve, the design of NC machining feed speed and the difference model of real groove are introduced with the different definition of helical angle. The simulation is carried out by computer and the corresponding compensation Processing methods, pointed out that the definition of this warp into the definition of this milling cutter design and NC machining easier to achieve advantages.