1) 3-D impeller with ruled surface
直纹面三元叶轮
2) ruled surface impeller
直纹面叶轮
1.
A new method of calculating cutter-location in numerical control flank milling of twisted ruled surface impeller is presented.
提出了一种计算数控侧铣任意扭曲直纹面叶轮刀位数据的新方法:沿直纹面母线两端点的法矢量偏置一定距离得到2个点,以这2个偏置点所在的直线作为刀轴方向,并使母线两端点到刀轴的距离为刀具半径,推导出了在利用圆柱铣刀侧铣直纹面时刀具与曲面切触线的方程以及加工误差的计算方法,并以计算实例验证了该算法的正确性。
3) 3-D impeller
三元叶轮
1.
The paper mainly discusses the application and practice of 3-D impeller design and manufacturing technique of "all controlled vortex" on gas blowers, and points out the feasibility of energy-saving and upgrade reconstruction in blower units under the present technique condition.
主要论述了"全可控涡"三元叶轮设计与制造技术在煤气鼓风机中应用与实践,提出了在目前技术条件下鼓风机组节能降耗与升级改造的可行性。
2.
This paper has introduced the phenomenon of mutual interference occurred in cutting tool, tool shank, workpieces and so on when milling the 3-D impeller.
简要介绍了铣制三元叶轮时,出现刀具、刀柄、工件等相互干涉的现象,并对其产生的原因进行了详细分析,探讨了避免此种现象的有效方法。
3.
In this paper, set one testing fan impeller as a model, the methods of how to design impeller and how to improve impeller through adjusting their geometrical parameters are introduced using CFX software to design 3-D impeller.
以某试验压缩机叶轮为模型,采用CFX软件设计三元叶轮,介绍了如何设计叶轮以及怎样通过调节叶轮的几何参数值改进叶轮,进而获得数值模拟中的高效率叶轮。
4) Ruled surfaceblades
直纹面叶片
5) narrow 3-D impeller
窄三元叶轮
1.
In this paper, the introduced mapping technology for narrow 3-D impeller of centrifugal compressors has been in further researched and some key points have been discussed.
对引进的离心压缩机窄三元叶轮的测绘技术进行了研究;对技术关键点作了探讨,重点介绍了石膏、石蜡灌模及其处理工艺措施。
6) three-dimensional flow impeller
三元流叶轮
1.
The research and application of energy saving technology of three-dimensional flow impeller for water pump were set forth.
闸述了水泵三元流叶轮节能技术的研究与应用情况。
补充资料：直纹面
| 直纹面 ruled surface 由直线运动所产生的曲面。动直线称为直母线（简称母线）。柱面和锥面都是直纹面。二次曲面中的单叶双曲面和双曲抛物面（马鞍面）也是直纹面。过柱面和锥面上每一点有一条直直纹面模型直母线，而过单叶双曲面和双曲抛物面上每一点有两条直母线。这就是说，柱面和锥面各由一族直母线组成，而单叶双曲面和双曲抛物面各由两族直母线分别组成。此外，由一条空间曲线的全体切线组成的切线曲面也是直纹面。
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参考词条