查询词典 involute

Caculation of principle error of involute profile processed by Archimedean hobbing cutter ;2. The equation of single hobbing cutter 's locomotion locus and the mathematical model of its instantaneous cutting area are established.

建立了单把滚刀旋切运动的轨迹方程和瞬时切削面积的数学模型，在此基础上对旋切面积的数学模型进行分析及简化，为旋切技术的实际应用提供了有力的依据。

Two calculating methods of straight line and Archimedes spiral approximating involute are introduced.

介绍了用直线及阿基米德螺旋线逼近渐开线的两种方法。

The method is adapt to the manufacture of involute and revacycle straight bevel gear.

作者所提出的方法适于渐开线和圆拉直齿圆锥齿轮的加工。

Individual plant can be amounted to high 35, 40cm, the bine is brawny, the flesh is qualitative, palm is Brown, old bine Chang Mu is changed character, there are the stipule of puce and cicatricle on the section; Xie Lu is lubricious, intimate circle, diameter 5, 8cm, the flesh is qualitative, luster, young leaf is a bit involute, gradually open and flat; Petiole shows aegis shape to wear be born at upside slanting in the center of blade, if form is raising small looking glass of one side face, on concentrated unripe bine, petiolar accident is differ, to all around extend, plump circle makes outward appearance of entire individual plant.

株高可达35—40cm，茎粗壮，肉质，棕褐色，老茎常木质化，节上有深褐色的托叶和叶痕；叶绿色，近圆形，直径5—8cm，肉质，有光泽，幼叶稍内卷，渐平展；叶柄呈盾状着生于叶片中心偏上部，形若举着一面面小镜，密集着生茎上，叶柄长短不一，向四面伸展，全株外观丰满圆整。

If a length of string that is wrapped around the periphery of a circular disk is then gradually unwrapped, a point at the end of that string will follow a curved path that is known as an involute of the circle that is represented by the disk.

如果字符串长度是围绕周边的圆盘，然后逐步展开，这一点在年底该字符串将采取曲线路径，被称为渐开线的循环，所代表的磁盘。

In addition, depending on the method of numerical simulation and theoretical analyses, some kinematic and geometric features of 0° involute—enveloping worm gear drive, such as meshing surface, first—type limit, second —type limit, worm surface, the numerical representation of contact line and bearing contact, are systematically studied. These relevant conclusions provide an important basis for the design and manufacture of new type worm gear set. As we predict, the method of numerical simulation has special effect in solving the question of complex conjugate surface.

综合利用仿真方法与解析手段，对0°渐开线包络蜗杆传动的啮合面、一类界限、蜗杆齿面构成、仿真接触线及仿真接触域等运动几何学特性进行了系统研究，有关结论为此种新型蜗杆副的设计与加工提供了重要基础，并且显示出数字仿真方法在研究复杂共轭曲面问题时所具有的特殊功效。

Owing to the key conclusion, this paper lays emphasis on the possible ways of realizing the singular conjugation by single—enveloping method. It is proved that the hyperbolic normal arc surface and the involute helicoid both may conjugate in singular points on the condition of single—envelope.

在奇点共轭理论的工程实现方面，文中明确指出二次包络是获得奇点共轭的有效手段，但并非唯一手段，在满足特定的运动几何条件下，一次包络即可获得奇点共轭。

The involute tooth shape is one that results in a constant velocity ratio, and is the most commonly used of such shapes today.

渐开线状的齿就可以提供恒定的速度比，它也是目前最常用的齿轮形状之一。

Helical rotor is the most important part of rotor flow meter, and its section shape is normally formed by involute and cycloid.

中文摘要：螺旋转子是转子流量仪表中的心脏零部件，其截面形状一般由渐开线和摆线组合而成。

The current involute spline broach is analyzed,the grinding technology of involute spline broach with side clearance is described,the profile is designed,and profile error is analyzed.

分析了现有渐开线花键拉刀的缺陷，提出带侧刃后角的渐开线花键拉刀的磨削工艺，并进行了齿形设计及齿形误差分析。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。