传动比

Machine tool spindle of the drive gear box were characterized by hardening tooth grinding processing, transmission ratio stability, low noise operation.

机床主轴箱内的传动齿轮均经淬硬磨齿处理，传动比稳定，运转噪音低。

The crank and connecting rod mechanism, the cam mechanism and the eccentric wheel mechanism are used to transform the continuous movements into the reciprocal movements, yet these mechanisms have no constant transmission ratio and there exist rather large impact force while operating at high speed.

曲柄连杆机构、凸轮机构和偏心轮机构常用来将连续运动转化为往复运动，但这些机构没有恒定的传动比，高速运转时存在较大的冲击力。

Cone bit ; transmission ratio ; penetration rate ; simulation test

牙轮钻头；传动比；机械钻速；模拟试验

Winch the type of construction, structure, design, calculation and application we need to fully understand that the overall design of the building winch, from various parts described the choice of the main electrical power, the transmission ratio calculation and validation; reducer design; rope's choose including the selection of a rope, use and reel in the fixed reel; reel involved in the calculations, the design and structure commonly used materials, rope reel capacity size parameters; is the last of the clutch and brake design, the main cone used friction with brake and clutch.

建筑卷扬机的种类、结构、设计、计算及应用需要我们充分的了解，在对建筑卷扬机的总体设计中，从各个部件出发，主要叙述了电动机功率选择、总传动比计算与校验；减速器的设计；钢丝绳的选择包括了钢丝绳的选取、使用及在卷筒上的固定；卷筒的设计计算涉及卷筒结构和常用材料、卷筒容绳尺寸参数；最后是有关离合器与制动器的设计，主要采用了圆锥摩擦离合器和带式制动器。

Precision dividing and spiral word with greater precision and efficiency than ever The dividing head can be tiled from a horiaontal position of 90down to -10 from vertacil,and inclinations can be read off a scale graduated in degrees.

通过蜗轮分度装置（传动比为1：4），适用于高标准的检测及测试，可以与铣床、磨床、钻床以及其他机床配套使用，完成各种角度工件的分度加工。

The method of kinematics analysis for four bar mechanism is used to the kinematics analysis of the roller chain drive,and the simulation of the driving process of the chain drive is carried out by an Windows program Curve of the instantaneous ratio is performed The computer simulation of the kinetic property of the roller chain drive is implemente

铰四杆机构的运动分析方法可用于链传动运动特性的精确分析，采用WINDOWS编程对链传动的运动过程进行了模拟，并对链传动瞬时传动比作出了曲线，实现了链传动运动特性的计算机模拟分析。

Product Series: Company main products has EWR series Helical gear reducer, EWS series helical gear - worm gear reducer, EWK series bevel gear reducer, such as eleven major series, a total of more than 10,000 transmission ratio, specifications as much as the domestic industry leading position.

公司主要产品有EWR系列斜齿轮减速机、EWS系列斜齿轮—蜗轮蜗杆减速机、EWK系列锥齿轮减速机等十一大系列，共计10000多个传动比，规格之多居国内同行业领先地位。

The product line of the Company is comprised of 11 series including EWR ser-ies skew gear reducer, EWF series skew gear reducer, EWK series bevel gear reducer, EWS series screw gearworm and gear reducer, etc.

公司主要产品有EWR系列斜齿轮减速机、EWS系列斜齿轮—蜗轮蜗杆减速机、EWK系列锥齿轮减速机等十一大系列，共计10000多个传动比，规格之多居国内同行业领先地位。

The primary purpose of developing the four-tooth difference harmonic drive is to decrease the stress in flexspline under the condition of smaller transmission ratio. In this paper, we focused our study on its accuracy characteristics.

采用四齿差双波谐波齿轮传动的主要目的是为了在小传动比情况下不致影响柔轮的强度，本文主要研究其精度特征。

A.the gear ratio from rear roller to servomotor:It is a important parameter to ensure the basic yarn length and space and it must count exactly.

a。电机到后罗拉的齿数传动比：是纺纱中基纱纱支节长、节距准确性的一个重要参数，必须注意，准确计算。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。