在不增加啮合齿向误差的前提下，合理给定支承平行度要求。
Under the precondition of an absence of increase in gear mesh error a rational support parallelism can be set.
影响负荷分布性的加工误差主要因素是齿向误差和接触线误差。
The machining error affecting the load distribution are errors of the tooth flank direction and the contact line.
理论分析和测试结果表明：啮合法可利用齿形误差展成系统测量齿向误差。
The theoretical analysis and experimental results show that the lead error measurement may share same generation system with involute profile measurement by this meshing method.
此技术具有跟踪精度高，跟踪性能好等特点，满足了高精度测量齿向误差的要求。
There are some characteristics about it, for example, highly tracking accuracy and tracking function etc. These characteristics need the require which can accurately measure tooth trace error.
此方法不需要测头沿齿轮轴线方向的运动系统，利用齿形测量系统即可测量齿向误差。
The new method without movement paralleled with the axis of the gear makes the lead error measurement can share same generating system with profile measurement.
该文基于空间啮合理论，利用微分几何方法首次对该种齿轮的齿形误差与齿向误差进行计算，并给出计算实例。
Based on the space gear engagement theory, a new way to calculate the profile errors and axial errors is developed for the first time and a numerical example is presented.
在应用无差动法滚切斜齿圆柱齿轮的基础上，通过理论推导和实验验证，得出进一步减少斜齿轮齿向误差的可行的挂轮选配新方法。
Through theoretical derivation and experimental verification, a new method is obtained for further reducing tooth curve error of oblique gear and for choosing feed gear wheel.
本文主要介绍了采用齿轮卡尺测量双线梯形螺纹中径法向齿厚的方法，同时也测量出螺距产生的误差。
This article mainly introduces the method that adopts gear caliper to measure the median diameter normal tooth thickness of double-line trapezoidal thread.
本文主要介绍了采用齿轮卡尺测量双线梯形螺纹中径法向齿厚的方法，同时也测量出螺距产生的误差。
This article mainly introduces the method that adopts gear caliper to measure the median diameter normal tooth thickness of double-line trapezoidal thread.
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