传动齿轮

The node issues occurred in the design is that air valve and the transmission of gear.

设计中碰到的难点问题在于气阀设计，齿轮传动设计。

Wherefore writer carries out another iterative computation. In the computation, considering the influence of all of joggle parameter, adopting compound - aitch optimization and intellective distinguish can prevail more reasonable joggle parameter. And using example writer discusses the contract of the methods.

在计算中考虑全部啮合参数对齿轮传动的影响，采用复合形优化方法和智能判别系统可得到更加合理的啮合参数，并用实例论述了这种重复优化的与传统设计和单目标优化的效果对比。

This paper analyses the frequency characteristics of the gear meshing and the signals due to amplitude and frequency modulation.

本文分析了齿轮传动的频率特性和它所产生的频率和幅值调制信号。

Multi-axle box design includes: mapping the original basis for the design of multi-axle box diagram, the spindle diameter and gear modulus determination and power calculation, multi-drive axle box design, drawing more than Axlebox an important component of general layout, as well as the intensity of checking.

多轴箱设计包括：绘制多轴箱设计原始依据图、主轴直径和齿轮模数的确定及动力计算、多轴箱传动设计、绘制多轴箱总图以及重要部件的强度校核。

Spiral bevel gear and other gear compared with the smooth work, noise and vibration on the merits, and its transmission efficiency can be as high as 99%.

弧齿锥齿轮与其他的齿轮相比，具有工作平稳，噪音和振动小的优点，并且它的传动效率可高达99%。

And the magnetic field with the magnetic gear was calculated using the software based on the boundary point method, which is developed by author.

在此基础上，开发了基于边界点方法的计算软件，并通过具有解析解的算例对其有效性和可靠性进行了考核，计算了稀土永磁齿轮传动实例。

The calculation formulas of the boundary point method were deduced, based on the magnetic field.

从描述电磁场的偏微分方程出发，推导出相应的边界积分方程；通过对边界积分方程的离散，建立特解矩阵，进而推导出稀土永磁齿轮传动磁场的边界点方法计算公式。

Through the moderation of transmission chain of the gear wheel to control the tiny turn of the reflector .

在微调机构的设计中，利用齿轮传动链的减速作用来实现对平面反射镜的微转动，从而改善测量精度。

At present, we have six series of products, including all kinds of auto powder metallurgy parts, gas engine, engineering machine, transmission, drive, home-use electric, etc. We also specialize in all kinds of chalybeate powder metallurgic gear and abnormal machine parts, have more than 560 kinds of products.

目前已具备了各种粉末冶金配件的生产能力，形成了包括汽车摩托车、内燃机、工程机械、传动、动力和家用电器等六大产品配套系列，专业生产各种铁基粉末冶金齿轮及异形机械零件560余种。

It deals with the invention and development of time-keeping apparatus in our country during a historical period of some three thousand years, tracing this development from remote antiquity with its sundial and clepsydra making use of the shadow of the sun down to the Dynasties of Han, Sui, Tang and Sung with their water-powered astronomical clockworks insta...

内容论述我国古代三千年左右有关计时器的发明和发展，自远古利用日影的圭表和日晷起，中间经汉、隋、唐、宋等朝代，附装在水力天文仪器上的水力天文钟，都采用了齿轮和凸轮的传动，即已都属于机械性。

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％。