传动齿轮

As a numeric analysis method, the finite element method has been becoming a more and more important action in analysis of gear transmission system.

有限元方法作为一个强有力的数值分析工具，在齿轮传动系统的分析中起到了越来越大的作用。

If the load is dynamic, the variation principles of gear transmission error are analyzed.

对动载荷条件下齿轮传动误差的变化情况进行了分析。

This new method can shorten the period of development, and save much manpower, material resources, which is becoming more and more important in the development of the analysis of gear transmission system now.

这种方法可以缩短开发周期，节省了大量的人力、财力、物力，在齿轮传动的分析设计中起到了越来越大的作用。

Mode of operation are: manual, gear transmission, electric, pneumatic, and so on.

操作方式有：手动、齿轮传动、电动、气动等。

These provide reference value for design of gear transmission.

实例优化结果表明，在各种转速下优化目标函数值均比常规设计要小得多，从而为齿轮传动的设计提供了一定的参考价值。

The transfer case is also a gear drive system.

分动器也是一个齿轮传动系统。

The type-spectrum-chart of tow-row planetary gear train is plotted. Discussing the two examples in the type-spectrum-chart, two schemes of the five-shift transmission are obtained.

用约束矩阵形成挡位矩阵，分别针对型谱中一元联结和二元联结2种方式的结构型式实例进行传动分析，得到2种五挡双排行星齿轮变速机构的结构方案。

In respect of the main power loss of the exposed gears,a designing theoryand method was offered to design stub tooth gear s accoding to their contact intensity.

针对开式齿轮传动的主要失效形式，提出以短齿制、按接触强度进行设计的理论和方法。

Realizes the robot rotary motion using Step Motor machine actuation and the overtone gear drive, uses another tablecloth Step Motor actuation ball bearing guide screw to revolve, thus causes with the ball bearing guide screw nut vice- solid company at the together arm realization the vertical motion, his/her the arm expansion and contraction movement actuates by the hydraulic cylinder, the entire manipulator through two straight lines directions and a hand of rotation, the realization work piece transporting work, this article has carried on the detailed design to manipulator's mechanism.

利用步进电机驱动和谐波齿轮传动来实现机器人的旋转运动，利用另一台步进电机驱动滚珠丝杠旋转，从而使与滚珠丝杠螺母副固连在一起的手臂实现上下运动，其手臂的伸缩运动由液压缸驱动，整个机械手通过两个直线方向和一个旋转方向，实现工件的搬运工作，本文对机械手的机械结构进行了详细的设计。

Realizesthe robot rotary motion using Step Motor machine actuation and theovertone gear drive, uses another tablecloth Step Motor actuationball bearing guide screw to revolve, thus causes with the ballbearing guide screw nut vice- solid company at the together armrealization the vertical motion, his/her the arm expansion andcontraction movement actuates by the hydraulic cylinder, the entiremanipulator through two straight lines directions and a hand ofrotation, the realization work piece transporting work, thisarticle has carried on the detailed design to manipulator'smechanism.

利用步进电机驱动和谐波齿轮传动来实现机器人的旋转运动，利用另一台步进电机驱动滚珠丝杠旋转，从而使与滚珠丝杠螺母副固连在一起的手臂实现上下运动，其手臂的伸缩运动由液压缸驱动，整个机械手通过两个直线方向和一个旋转方向，实现工件的搬运工作，本文对机械手的机械结构进行了详细的设计。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。