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.
方法采用电动取皮机切取刃厚皮片的方法切除巨痣表层皮肤，残留部分采用皮肤磨削法去除。
Methods the surface layer of the giant naevi, mainly razor graft, was excised tangentially using electrical dermatome. Then the left naevi was removed by dermabrasion.
经过研究，运用不同的思维方法精确建立了辊切刀的曲线刃数学模型，为刃型加工提供了理论依据。
In this paper, different methods of thoughts were in application to establish the precision curve blade's mathematics model of roll cutting tool, and provided the theories for the blade to process.
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