Reduction of cumulative pitch deviation for gears in grinding machines

SONG Hong-xia; ZHAO Su-su; LOU Zhi-feng; WANG Li-ding

doi:10.3788/OPE.20122008.1796

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Reduction of cumulative pitch deviation for gears in grinding machines

更新时间：2020-08-12

- Reduction of cumulative pitch deviation for gears in grinding machines
- Optics and Precision Engineering Vol. 20, Issue 8, Pages: 1796-1801(2012)
- 作者机构：
  
  1. 大连理工大学微纳米技术及系统辽宁省重点实验室,辽宁大连 116023
  2. 大连理工大学精密与特种加工教育部重点实验室,辽宁大连 116023
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20122008.1796
  CLC： TG61;TG580.6
- Received：12 April 2012，
  
  Revised：30 May 2012，
  
  Published：10 August 2012
- 稿件说明：
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宋洪侠, 赵苏苏, 娄志峰, 王立鼎. 降低齿轮齿距累积偏差的方法[J]. 光学精密工程, 2012,(8): 1796-1801

SONG Hong-xia, ZHAO Su-su, LOU Zhi-feng, WANG Li-ding. Reduction of cumulative pitch deviation for gears in grinding machines[J]. Editorial Office of Optics and Precision Engineering, 2012,(8): 1796-1801
宋洪侠, 赵苏苏, 娄志峰, 王立鼎. 降低齿轮齿距累积偏差的方法[J]. 光学精密工程, 2012,(8): 1796-1801 DOI： 10.3788/OPE.20122008.1796.

SONG Hong-xia, ZHAO Su-su, LOU Zhi-feng, WANG Li-ding. Reduction of cumulative pitch deviation for gears in grinding machines[J]. Editorial Office of Optics and Precision Engineering, 2012,(8): 1796-1801 DOI： 10.3788/OPE.20122008.1796.

摘要

为了减小齿轮磨削加工中的磨床系统分度误差

提高齿轮加工精度

分析了齿轮磨床分度误差、齿轮安装偏心和齿轮齿距偏差之间的关系

获得了分度误差的计算方法

并计算出了齿轮磨床的分度误差。依据计算得到的分度误差值调整磨床

降低磨床分度误差

减小齿轮齿距累积偏差

提高了齿轮加工精度。以Y7125大平面砂轮磨齿机床为例验证了提出方法的可行性。建立了齿轮安装偏心和齿廓偏差的数学模型

求出了齿轮安装偏心的幅值和相位角

然后由齿轮安装偏心、磨床分度误差和齿轮齿距偏差的关系得到磨床的分度误差值。根据计算得到的分度误差值调整磨床分度盘

使磨床的分度误差从17.7 μm减少为3.3 μm

被加工齿轮的齿距累积总偏差由46.9 μm降低到11.5 μm

齿距精度达到三级。验证结果表明

按照这种方法调整磨床可以快速有效地降低磨床的系统分度误差

从而降低齿轮的齿距累积偏差。

Abstract

To reduce the system dividing error of a grinding machine in gear grinding and to improve the machining accuracy of gears

the relationship among the dividing error of grinding machine

gear eccentricity installation

and the pitch deviation was analyzed

and the calculation method for dividing errors of the gear was obtained. By adjusting the grinding machine according to the calculated dividing error

the dividing error of grinding machine and the cumulative pitch deviation of the gear were decreased and the manufacturing accuracy was enhanced. The method was verified by taking the flat-faced wheel grinding machine Y7125 as an example. Firstly

a mathematic model on gear eccentricity installation and profile deviation was established to figured out the amplitude and phase angles of gear eccentricity installation. Then

based on the relationship among gear eccentricity installation

the dividing error of grinding machine and the pitch error

the value of dividing error was obtained. Finally

the indexing plate of grinding machine was adjusted and calibrated according to the computed dividing error. The experiment demonstrates that the dividing error has been reduced from 17.7 μm to 3.3 μm

and the cumulative pitch deviation of the machined gear is lowered from 46.9 μm to 11.5 μm. Furthermore

the accuracy of pitch is up to grade three. The results prove that this method can be used to reduce the dividing error of grinding machine effectively

so as to reduce the cumulative pitch deviation.

关键词

Keywords

references

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