Study on Grinding Process of Bearing Raceway Based on Full Factorial Test

CHANG Zhou; CHEN Yaolong

doi:10.16080/j.issn1671-833x.2018.09.052

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Study on Grinding Process of Bearing Raceway Based on Full Factorial Test

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- Study on Grinding Process of Bearing Raceway Based on Full Factorial Test
- Aeronautical Manufacturing Technology Vol. 61, Issue 9, Pages: 52-58(2018)
- 作者机构：
  
  西安交通大学机械制造系统工程国家重点实验室,西安,710054
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2018.09.052
  CLC：
- Published：2018
- 稿件说明：
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常舟，陈耀龙. 基于全因子试验的轴承沟道磨削工艺研究[J]. 航空制造技术, 2018, 61(9): 52-58.

CHANG Zhou, CHEN Yaolong. Study on Grinding Process of Bearing Raceway Based on Full Factorial Test[J]. Aeronautical Manufacturing Technology, 2018, 61(9): 52-58.
常舟，陈耀龙. 基于全因子试验的轴承沟道磨削工艺研究[J]. 航空制造技术, 2018, 61(9): 52-58. DOI： 10.16080/j.issn1671-833x.2018.09.052.

CHANG Zhou, CHEN Yaolong. Study on Grinding Process of Bearing Raceway Based on Full Factorial Test[J]. Aeronautical Manufacturing Technology, 2018, 61(9): 52-58. DOI： 10.16080/j.issn1671-833x.2018.09.052.

摘要

通过全因子试验研究了不同磨削工艺对轴承沟道磨削变质层的影响。选取磨削参数时考虑残余应力、硬度、残余奥氏体和磨削变质层等目标。同时也考虑不同磨削参数对磨削效率和磨削精度的影响。试验表明，砂轮转速对残余应力和磨削变质层的影响较大，对硬度和残余奥氏体的影响较小。采用9000r/min 的砂轮转速磨削将产生较高的残余拉应力。最终选取了所有磨削工艺中最为合适的磨削参数为：7000r/min砂轮转速、200r/min工件转速、15μm磨削深度，具有重要的工程指导意义。研究结果可以很好地指导轴承企业生产。

Abstract

The effect of grinding process on grinding affected layer is studied by using full factorial test. Considering residual stress

hardness

retained austenite

white layer and dark layer as research target

and selected grinding parameter. Meanwhile the effect of grinding parameter on grinding efficiency and grinding accuracy is considered. Experiments showed that the effect of wheel speed on residual stress

white layer and dark layer is very great. The effect of wheel speed on hardness and retained austenite is little. 9000r/min wheel speed leads to white layer and higher tensile residual stress. Best grinding parameter of grinding process is selected at last. This paper is of great significance for engineering guidance.

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