齿轮

The theoretical analysis results indicate that micro-gear based on new profile is better than involutes'gear in mechanical characteristics.

理论分析结果表明新齿廓的微型齿轮比渐开线齿轮有更好的力学性能。

Firstly, according to the analysis of the forming principle of the involutes profile and the tooth thickness of formula, a mathematical model of involutes profile was established.

首先，根据对渐开线齿廓形成原理和渐开线齿轮任意圆上的齿厚公式的分析，建立了插齿刀的渐开线圆柱齿轮齿廓的数学模型。

For involutes gear,it can be modeled perfectly so as to simulate the movement,then provided precise model for finite analysis.

以渐开线齿轮为例绘制出其精确的渐开线齿廓，实现三维造型，从而可以进行运动仿真，为齿轮有限元动力学分析提供精确的模型，减少设计开发的成本，使其具有快速响应市场的能力。

Following the rules of machining and outspread principle of involutes,the mathematical model of spur gear teeth profile is built.

根据齿轮加工原理及渐开线展开原理，建立了直齿轮齿廓的数学模型。

The 3D precise geometrical model of a straight bevel gear was established by using UG with the sphere involutes.

在UG中以球面渐开线方法建立了精确的直齿圆锥齿轮三维几何模型，采用圆弧曲线对直齿圆锥齿轮齿廓进行修形，给出了最大修形量、修形圆弧中心和半径的确定方法。

There are at least three sets of gears in most passenger cars, even more in jeeps and trucks.

在轿车中至少有三套齿轮，吉普车和货车的齿轮就更多了。

Aside from the predictable top-gear kickdowns, the six-speed generally seemed to be in the right gear at the right time.

除了可预见的顶级齿轮kickdowns ，六速一般似乎是正确的齿轮在合适的时间。

If the bevel gear used in the processing module mid-point of the standard spur gear tooth milling cutter with big-deep into the alveolar knife milling, then the big-toothed on the "fat", little-endian tooth on the "thin."

如果在加工时采用伞齿轮中点模数的标准正齿轮铣刀以大端齿深将齿槽一刀铣成，那么大端齿形就&肥&，小端齿形就&瘦&。

Carriage parts is one important part of lather, maintaining the driven spindle, and assembling together with the spindle, wheel gear with stalk set and such parts, making them keeping normal of mutually position relation, so as to guarantee the wheel gear to match normally.

床头箱箱体是车床的重要0件，由它支承传动轴，将轴、齿轮和轴套等0件组装在1起，使它们保持正确的相互位置关系，从而保证齿轮的正常啮合。

Carriage parts is one important part of lather, maintaining the driven spindle, and assembling together with the spindle, wheel gear with stalk set and such parts, making them keeping normal of mutually position relation, so as to guarantee the wheel gear to match normally.

床头箱箱体是车床的重要零件，由它支承传动轴，将轴、齿轮和轴套等零件组装在一起，使它们保持正确的相互位置关系，从而保证齿轮的正常啮合。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。