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1)  toroidal involute (TI)
渐开面包络环面(TI)
2)  involute enveloping toroidal worm
渐开面包络环面蜗杆
3)  involute helicoid enveloping
渐开面包络
1.
We build the model for the enveloping worm helix parametric equation and then analyze its relations with the enveloping worm helix tooth surface equation,thus establishing the characteristic model of the involute helicoid enveloping worm′s generative gears.
渐开面环面蜗杆的三维构建属复杂曲面造型,文章在环面蜗杆螺旋线参数方程建模的基础上,分析讨论了其与渐开面环面蜗杆螺旋齿面方程的对应关系,建立了渐开面包络环面蜗杆产型齿的特征模型。
4)  Toroid enveloping worm pair hich involute holicoid generatrix
渐开线包络环面蜗杆副
5)  involute helicoids double-enveloping
渐开面二次包络
1.
Based on the modeling of enveloping worm helix analytical equation and constructing of TI-worm,the article analyzes geometry characteristics of the involute helicoids double-enveloping worm wheel,demonstrates the whole process by means of finite time Boolean calculation approach method with characteristic model of TI-worm,and establishes the involute helicoids double-enveloping worm gear pairs.
在环面涡杆螺旋线解析方程建模和渐开面包络环面涡杆三维实体构建的基础上,分析讨论了渐开面二次包络环面涡轮的几何特征。
6)  ring-involute tooth surface
环形渐开面
补充资料:环烯烃开环聚合
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性质:环烯烃(如环戊烯)在钨(或钼)氯化物与烷基铝组成的催化剂存在下开环聚合,生成主链中含双键的链状聚合物的过程。其反应历程是环烯烃先与钨(或钼)配位活化,然后双键打开并易位使环不断扩大,最后通过自断裂或调节剂获得线型长链分子。所用单体是环烯烃或取代的单环、双环单烯烃,其中钨系催化剂催化环戊烯聚合制得的反式聚戊烯弹性体,其性质优于顺丁橡胶。

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