以nsr - 40型罗茨鼓风机的三叶扭叶叶轮为例，详细阐述了这种叶轮型面在车削加工中心的加工方法、工艺和数控编程。
Taking NSR_40 Roots blower as an example, the processing ways, technics and NC program of this twist tri_lobe profile on the lathe machining center is set forth in detail.
叙述了罗茨鼓风机三叶叶轮加工中用定位方法来实现三叶叶轮准确分度的工艺方式。
The work process accurate dividing of three blade impeller realized by the use of positioning in the processing of three blade impeller for Roots blower are described.
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