查询词典 gears

The aim of the subject is to design and check the strength of the gears of crown gear coupling from the Beijing subway and to analyse the teeth by means of 3D FE elastic contact method. The result can numerically and theoretical support the design and manufacture of crown gear coupling.

本课题研究的目的是通过对北京地铁联轴器齿轮副进行强度设计和校核，并且对其进行三维弹性接触有限元分析，得出鼓形齿联轴器齿轮副的弹性接触状况，为鼓形齿联轴器的设计及制造提供数据和理论支持。

The absolut measure metheod was used as the basic principle of device building and software design of the ultraprecision gears total cumulative pitch error measurement system.

同时，遵循测量原理并采用高精度的元器件搭建了绝对测量法检测超精密齿轮齿距偏差的测量平台。

Cyclodrive ; envelopment ; gears ; engage ; development ; cycloidal curve ; equidistant curves ; conjugate curves ; pitch point ; short arm coefficient ; planetary gear mechanism

摆线针齿传动；包络；齿轮；啮合；研制；摆线；等距曲线；共轭曲线；节点；短幅系数；行星机构

Moreover, they are not suitable for gears manufactured by different cutting tools. Based on gear generation principle, a new method to establish accurate 3D solid model of cylindrical gear by mechanism function of Pro/E is proposed. Taking the manufacture of spur-gear with pre-grinding hob as an example, this method is introduced in details and the accurate 3D solid model is set up.

以范成法加工齿轮的原理为理论基础，介绍在Pro/E平台下利用其机构模块的"轨迹曲线"功能精确构建各种刀具加工出来的渐开线圆柱齿轮齿廓曲线的方法，并以磨前滚刀加工直齿圆柱齿轮为例，详细介绍该方法的使用步骤，构建其精确的三维实体模型。

To study the taxiing-induced dynamic response of the aircraft with multiple wheels and multiple landing gears due to runway unevenness, base on several reasonable and necessary assumptions, the mathematical model of aircraft in taxiing is established using the d'alembert's principle. It can simulate taxiing inpact properties accurately, it considers in detail the vertical and horizontal motion and pitching about its center of gravity and the significant symmetric elastic modes.

在一些必要合理的假设下，利用达朗贝尔原理，建立了多轮多支柱式及小车式起落架飞机地面滑跑动态响应分析的全机模型，考虑全机沉浮、机体弹性和定常气动力的影响，起落架支柱的弹性变形，小车式起落架的车架的俯仰运动以及弹性变形，对等速滑跑飞机建立了全机运动的微分方程，并以旧金山28-R跑道为地面输入，利用时域积分的方法得到飞机滑跑的各种响应。

The gears are assumed rigid, but at the contact gear teeth, a spring and viscose dashpot are used to simulate the effect due to the deformation of the teeth resulting from large contact forces.

有关齿轮的部分，除将其视为刚性圆盘外，於两齿轮相接触处的变形以及摩擦，则以弹簧与阻尼器模拟。

The trip also confirmed that a modern touring bike, such as a Galaxy Dawes with 36 gears, can get you up some seemingly impossible hills just as long as you keep pedalling.

短途出行也使我确信，一辆现代的公路自行车，像36速的" Galaxy Dawes "，只要你不断踏，它会把你送到看起来高不可攀的山上。

A pair of gears with different number of teeth will increase or decrease the speed of rotation.

一对有不同数目的齿的齿轮会增加或减少旋转的速度。

Universal gearbox allows inch, metric, diametral,and module pitch threads without changing gears.

通用变速箱允许英寸，公制，直径，螺距螺纹和模块不改变齿轮。

If you design spur gears using English units, the generator selects the Diametral Pitch option.

如果您使用英制单位设计正齿轮，产生器将选取「径节」选项。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。