Some cars have variable-ratio steering, which uses a rack-and-pinion gear set that has a different tooth pitch (number of teeth per inch) in the center than it has on the outside.
有些车的转向系角传动比是可变的，这种转向器采用齿轮齿条式，它在中间而不是外部，有不同的齿密度（每寸齿数）。
The conjugate principle of the variable ratio gear with constant center distance and constant contact Angle has been analysed.
研究了定中心距、定啮合角变速比齿轮的啮合原理。
An example of designing and calculating variable ratio gear sector profile by the method is given.
给出了应用该方法完成变速比齿扇齿廓设计计算的实例。
The gear sector of variable transmission ratio in automobile steering mechanism is a variable module non-circular gear.
变传动比汽车转向器齿扇是变模数的非圆齿轮。
Based on the principle of gear machining generating method, a modeling method - variable center distance gear modeling method for variable ratio gear sector profile is put forward.
基于齿轮的范成加工原理，提出了一种变速比齿扇齿廓的定中心距齿轮建模法。
In this paper, the meshing theory of rack and pinion steering gear with variable ratio is studied systematically.
对汽车变速比齿轮齿条式转向器的啮合原理进行了系统研究。
With a given rack parameter and required variable ratio transmission, variable ratio gear sector 3d model could be quickly obtained.
该方法不使用啮合方程，只需要确定齿条的参数及变速比运动规律，就可快速地得到变速比齿扇的三维数模。
With a given rack parameter and required variable ratio transmission, variable ratio gear sector 3d model could be quickly obtained.
该方法不使用啮合方程，只需要确定齿条的参数及变速比运动规律，就可快速地得到变速比齿扇的三维数模。
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