我们常用的圆柱齿轮传动比小，体积大、结构笨重。
We have used the CYLINDRICAL gear transmission ratio of small, large, heavy structure.
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）。
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.
例如，两个齿轮的传动机构中，如果一齿轮的尺寸是另一齿轮的两倍，那么传动比就是2：1。
For instance, in a device with two gears, if one gear is twice the size of the other, the ratio would be 2:1.
此外，在改变变速器齿轮的传送比时(换档时)，离合器也被用于切断传动系与发动机之间的连接。
The clutch is also used to disengage the engine from the drive train whenever the gears in the transmission are being shifted from gear ratio to another.
叙述了180涡轮钻具用减速器的传动比，齿轮传动，端面机械密封和偏心短圆柱轴承的设计计算过程和有关处理办法。
The design calculation process and related process methods for transmission ratio, gear transmission, end mechanic sealing and eccentric short roller bearing used for 180 turbine drill are described.
它具有功率范围大，传动效率高，传动比正确，使用寿命长等特点，但从零件失效的情况来看，齿轮也是最容易出故障的零件之一。
It has big power range, high transmission efficiency and transmission ratio correctly, long using life, etc, but from the failure parts, gear is the most vulnerable parts of the fault.
在一个手动变速器里，当你操纵换挡杆从一个档位到另一个档位时，齿轮沿轴向滑动，使大小不同的齿轮进行啮合从而满足不同的传动比的需要。
In a manual transmission, gears slide along shafts as you move the shift lever from one position to another, engaging various sized gears as required in order to provide the correct gear ratio,.
目前，卫星齿轮传动的功率流分析、传动比和啮合效率计算，既难又繁。
At present, the analysis of power-flow of satellite gear drive and calculations on its transmission ratio and meshing efficiency are both difficult and complicated.
本文分析计算了传动比和变位系数对齿轮副接触斑点的影响；
The affection of the driving ratio and position-changing coefficient on the side contact macula of the gears was analysed and calculated.
齿轮传动是机械传动中应用最广泛的一种传动，具有承载能力大，效率高，传动比准确，结构紧凑，工作可靠，使用寿命长等优点。
The gear transmission is most widely used in mechanical transmission with large carrying capacity, high efficiency, precise gear ratio, compact structure, reliable operation and long life.
采用非圆齿轮，瞬时传动比可按所需变化规律设计。
Non-circular gear, the instantaneous transmission ratio variation according to the required design.
然后，针对能够整周转动的齿轮—五杆机构，研究了其上的一点在齿轮机构的传动比、初始相位角、杆长以及两杆之间的夹角变化时的轨迹曲线以及速度和加速度曲线的情况。
Then the locus curves of one point in the geared five-bar were studied with the change of the gear ratio, the phase Angle, the bar length and the Angle between two bars.
上面提到的所有的优点，证明由传输系统中的化合物的齿轮传动比的优化。
All the merits mentioned above are demonstrated by the compound gear transmission ratio optimization in transmission systems.
并根据传动比的变化，分析了其对啮合性能及谐波齿轮设计方面的影响。
In reference of the change of ratios, the influence on the meshing performance and the design of harmonic driver is analyzed.
在这些各自的齿轮和步骤的大小的区别是什么造成在2速度传动比的不同。
The differences in the sizes of these respective gears and steps is what generates the different gear ratios in the 2 speeds.
由于取消了齿轮传动，因此其传动比可以随意变化，变速更加平顺，没有换挡的突跳感。
Because has cancelled the gear drive, therefore its velocity ratio may change at will, the speed change is smoother, has not shifted gears kicks the feeling.
对于相啮齿轮端面齿廓相互关系的分析表明，目前使用的几种基准齿形，当螺旋角传动比都比较大时，存在齿形干涉的危险。
Then, it is indicated that the gearing used presently, while its helix Angle and ratio are both big enough, is in danger of interference.
根据封闭行星齿轮传动原理，求出新结构高轮齿接触率RV传动装置的传动比；
The RV drive with new structure is proposed, and the speed ratio is calculated according to design principle of the closed planetary gear.
变传动比汽车转向器齿扇是变模数的非圆齿轮。
The gear sector of variable transmission ratio in automobile steering mechanism is a variable module non-circular gear.
齿轮瞬时传动比和齿轮综合传动误差。
齿轮传动的优点瞬时传动比恒定，工作平稳性较高。
The advantages of gear Instantaneous transmission ratio constant, steady work is high.
5小齿轮的设计与控制盘开口尺寸、蜗轮蜗杆的传动比和制动衬片的实际磨损量有关，文中给出了它们的计算公式。
5 design for small gear relates to hatch size of control - pan -, worm - wheel ratio and fact abrasion quantum of brake block. this article gives their compute formula.
用微型计算机和光栅传感器组成的仪器可在现场测量并分析各种传动比齿轮传动链的传动误差。
An instrument based on microcomputer and grating tensor can be used to test and analyse the gear-driven error of various ratio gear trains on the spot.
文章分析了伺服系统中精密齿轮传动装置总传动比、传动误差、传动回差对整个系统的精度影响，提出传动装置各级精度分配时应注意的问题。
In this paper, the accuracy influences of general gear ratio, transmission error and driving backlash on servo system were analyzed, and some measures of gear ratio distribution were presented.
首次提出了一种活齿端面谐波齿轮传动装置 ，介绍了这种新型谐波齿轮传动装置的传动原理和传动比的计算方法。
The end face harmonious gear drive of oscillating teeth is an invention that contains the advantages of the common harmonic gear drive and the oscillating tooth.
现在的主减速器普遍使用准双曲面圆锥齿轮，这主要是因为 主动锥齿轮的偏移允许轿车上传动轴布置得比从动锥齿轮低 一些，而商用车上又允许布置得比从动锥齿轮高一些。
The hypoid gear is in common use today due mainly to the fact that the offset pinion allows the propeller shaft to be set below, (for cars) or above, (for commercial vehicles) the crown wheel center.
首次提出了一种活齿端面谐波齿轮传动装置 ，介绍了这种新型谐波齿轮传动装置的传动原理和传动比的计算方法。
The end face harmonious gear drive of oscillating teeth is a new type of driving device, which combines the advantages of the common harmonic gear drive and the oscillating tooth drive.
为了能够改变变速器的传动比，大多数自动变速器使用了行星齿轮机构。
To change the gear ratio, most automatic transmissions use planetary gear set.
为了能够改变变速器的传动比，大多数自动变速器使用了行星齿轮机构。
To change the gear ratio, most automatic transmissions use planetary gear set.
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