外圆无心磨削工艺对轴承套圈成型质量的影响
作者:
作者单位:

1.宁波大学机械工程与力学学院,宁波 315211;2.宁波大学浙江省零件轧制成形技术重点实验室,宁波 315211

中图分类号:

TH162

基金项目:

国家自然科学基金(No. 52075272);浙江省自然科学基金(No.LY18E050006);宁波市自然科学基金(No.2017A610088);宁波市科技计划(No.2018B10004,No.2019B10100)


Effect of Cylindrical Centerless Grinding Process on Forming Quality of Bearing Ring
Author:
Affiliation:

1.Faculty of Mechanical Engineering and Mechanics,Ningbo University,Ningbo 315211;2.Zhejiang Provincial Key Laboratory of Part rolling Technology,Ningbo University,Ningbo 315211

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    摘要:

    为了得到取消外圆修磨的外圆无心磨削工艺对轴承套圈外圈的影响规律,本文以6202深沟球轴承套圈外圈为研究对象,通过外圆无心磨削试验,分析了取消外圆修磨后新无心外圆磨削工艺对套圈圆度、直径的影响,并利用谐波控制原理分析磨削加工中谐波对轴承套圈外圈圆度的控制。研究结果表明:新工艺可以满足6062轴承套圈的尺寸精度要求,外圆无心磨削时采用加工余量先大后小的方法,有助于改善轴承套圈的外圆圆度,缩短工艺流程,减少生产时间,提高生产效率;无心磨削可以降低轴承套圈表面低次谐波的幅值,外圆超精加工可以有效降低套圈表面高次谐波,从而达到控制圆度的目的。取消外圆修磨的新磨削工艺不但能提高产品质量,还能提升生产效率。

    Abstract:

    In order to study the effect of the cylindrical centerless grinding without dressing and grinding on the outer ring of bearing ring,the outer ring of 6202 deep groove ball bearing ring was used as the research object. Cylindrical centerless grinding tests were conducted to analyze the effect of the new cylindrical centerless grinding process without dressing on the roundness and diameter of the bearing ring. The harmonic control principle was utilized to investigate the control of harmonic on the roundness during grinding. The results show that the new process achieves the dimensional accuracy requirements of 6062 bearing ring. The method of increasing the machining allowance first and then decreasing it during cylindrical centerless grinding is helpful to improve the roundness of bearing ring, shorten the process flow, reduce the production time and improve the production efficiency. Centerless grinding effectively reduces low-order harmonics, while cylindrical superfinishing efficiently reduces high-order harmonics on the ring surface to control roundness. In conclusion, the novel cylindrical grinding process without dressing can improve product quality and production efficiency..

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邵熠羽,彭文飞,陈少强.外圆无心磨削工艺对轴承套圈成型质量的影响[J].宇航材料工艺,2023,53(5):78-83.

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  • 收稿日期:2021-11-29
  • 最后修改日期:2023-08-19
  • 录用日期:2022-01-24
  • 在线发布日期: 2023-10-24
  • 出版日期: 2023-10-30
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