渐开线

The method of 3-D modeling and parametric design of cylindrical spur gear in Pro/E software is discussed.

建立了渐开线直齿圆柱齿轮参数化设计模型。

In the process of the developing of NC machine tool which machines the sleeve of synchromesh of automobile ,efficient methods making use of hypocicloide are introduced.

介绍了用摆线轨迹形成原理加工滑块槽及倒锥的工作原理；结合汽车同步器齿套数控加工机床的研发，提出了利用摆线逼近圆弧和渐开线的高效加工方法；并通过建立摆线的参数方程，分析了其各个参数对摆线形状的影响，进而证明了利用这种方法加工同步器齿套的可行性。

It is rapid and accurate in design and drawing the finger milling-cutter templet with CAD.

本文着重阐述了渐开线齿轮齿根过渡曲线的确定以及使用微机设计齿轮指形铣刀样板的方法。

It is compared with involute gear most prominent advantage is that the process of meshing gear tooth profile surface there is no relative sliding, so no tooth wear, smooth operation, without the phenomenon of trapped liquid, low noise, long life and high efficiency.

它与渐开线齿轮相比最突出的优点是齿轮啮合过程中齿廓面没有相对滑动，所以齿面无磨损，运转平稳，无困液现象，噪音低、寿命长、效率高。

The results show the speed reducer of trochoidal gears is much superior to that of involute gears of the same parameter in contact strength and bearing capacity as well as in wearing capacity and noise decrement.

证明了变长线齿轮减速器比同参数的渐开线齿轮减速器在接触强度、承载能力、噪音和耐磨性等方面具有较大的优越性。

Autoslip program is more abstruse to understand,but input orders as told after given the concrete program and detailed operation procedures.

在各种机器中，齿轮机构是应用最广泛的一种传动机构，而齿轮的齿廓形状又以渐开线齿廓应用最普遍。

A method of measuring contrate involute errors of double gears, gear shapers and gear shavers on the CZ450 gear integrated error tester using the polar coordinate method is introduced.

介绍了在CZ45 0齿轮整体误差测量仪上利用极坐标法测量双联齿轮、插齿刀和剃齿刀的端面渐开线齿形的方法，从而扩展了CZ45 0的测量功能。

On the test machine of glue,using three groups of 45 steel-40Cr disc test examples with clifferent hardness, the gear abrasion simulant experiment has been done about addendum, dedendum dividing point of single and double engagemenf area.

用三组不同硬度的45钢-40Cr的圆盘试件，在圆盘滚子实验机上，对渐开线齿轮的齿顶、齿根、单双齿啮合分界点四点进行齿轮磨损的模拟实验。分析了材料副的硬度和配对试件的绝对滑差速度对磨损的影响。

Based on the tooth profile plane model's boundary scope and the geometry dimension of the transmission gear, the paper calculates every point's Cartesian coordinate in all parts of tooth profile, such as addendum arc, involute, dedendum easement curve, axle hole arc and other boundary line section.

最后根据齿廓的几何尺寸和五类齿廓平面模型的边界范围，计算齿廓各部分，即齿顶圆圆弧段、渐开线段、齿根过渡曲线段、轴孔圆圆弧段和齿廓平面模型上其他边界线段上点的坐标，并连接这些点生成各部分线段，从而生成齿廓平面模型。

Firstly, this paper introduced the involute few teeth difference planetary transmission organization and its structural design., analyzed determined parameter, meshed transmission limiting condition and the dislodgement coefficient choice of the few teeth difference planetary transmission organization.

首先，本文介绍了渐开线少齿差行星传动机构及其结构设计，分析少齿差行星传动机构的参数确定、内啮合传动的限制条件和变位系数的选择，为后续的优化设计、CAD/CAE分析奠定理论基础。

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。