渐开线

In this paper,the formula of calculation of the axial profile of an involute helical gearis inferred.

本文推导出了渐开线斜齿圆柱齿轮轴向齿廓的计算公式，并在此基础上提出了用车削阿基米德蜗杆的方法车削渐开线蜗杆的新方法。

Using the three ways of Excel,Autoslip program, block ,this article aims at inquiring into precise drawing of parametric curves and exploring operation procedures of simpler and easier learning.

AutoCAD有很强的二维绘图功能，但无法直接画出精确的渐开线，运用Excel、Autolisp程序、图块三种途径，旨在探讨渐开线的精确绘制，并寻求更为简便易学的操作步骤。

The results indicate that the first ten step natural frequency range from 233.2Hz to 526.8Hz, the natural frequency is higher than the value specified by the standard.6. The profile equations of shaping gear ring are deduced out by profile normal line method. The involute and transition curves are automatically generated through the macro function in Solidworks. And the three-dimension model is built. Based on the three-dimension model, the deformation and dedendum stress is studied.

6应用齿廓法线法推导出了插齿加工的渐开线直齿内齿圈的精确齿廓曲线方程，并通过Solidworks中的宏功能采用Visual Basic语言编程实现了内齿圈齿廓渐开线以及齿根过渡曲线的自动生成，建立了内齿圈的精确三维实体模型，研究了内齿圈的轮齿变形及齿根应力。

Involute curve and spiral curve are driven by filar involute function equation and spiral curve equation respectively and main dimensions of the model are controlled by the relation.

利用渐开线方程和螺旋线方程驱动生成渐开线和螺旋线，同时又对模型主要尺寸通过关系式进行控制。

The influencing tendency,principle of action and the extent of influence of eight factors effecting on the undercutting of external toothing involute columnar gear are discussed.

讨论了外啮合渐开线圆柱齿轮根切的全部共8个影响因素的影响倾向、作用原理和影响程度，给出了一个新参数——根切系数，用以衡量根切倾向的大小，使对渐开线齿轮根切的产生条件的认识更为全面。

On the base of simply introducing running transmission mechanism of shearer,according to the theory of rack and pinion engagement,mainly analyses impact cause resulted from toothing between shearer involute sprocket and conveyor pin-rail ,using the specific parameters.

简单介绍了目前大功率采煤机的行走传动装置，并结合某采煤机渐开线行走轮和输送机销排销齿的具体参数，按照齿轮齿条啮合理论，分析了此渐开线行走轮和销齿啮合产生冲击的原因之一。

Cycloid cluster is a new concept presented in this paper, which is a set ofcycloids. To process the back-angle accurately and efficiently, the parameters ofcycloid are adjusted to make the envelope curve of cycloid approximate involute .

使用摆线簇包络线逼近渐开线是本文提出的一种新方法，摆线簇就是一组摆线，通过调整摆线簇中每条摆线的参数，可以使摆线簇中摆线包络线高精度的逼近渐开线，进而实现倒锥的加工。

Involute gears ; gear pairs ; gear transmission ; gear tolerances backlashes/backlashes of an involute gear pairs

渐开线齿轮；齿轮剂；齿轮传动；齿轮公差；侧隙/渐开线齿轮副侧隙

A new method is proposed,in which a cylindrical worm is ground by a dressing gear under the condition of two degrees of freedom movement.

提出一种用修磨轮双自由度精化圆柱蜗杆的新方法，运用空间啮合原理对该方法进行了理论分析，推导出若干啮合分析方程式，从理论上验证并得出了用渐开线齿轮形修磨轮可精化出渐开线圆柱蜗杆的结论。

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。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。