Profile Evolution and Cross-Process Collaboration Strategy of Bearing Raceway by Centerless Grinding and Electrochemical Mechanical Machining.
Profile Evolution and Cross-Process Collaboration Strategy of Bearing Raceway by Centerless Grinding and Electrochemical Mechanical Machining.
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DOI：
10.3390/mi14010063
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发表时间：
2022-12-26
期刊：
影响因子：
3.4
通讯作者：
Pang, Guibing
中科院分区：
文献类型：
--
作者：
Yan, Zhaobin;Fan, Shuangjiao;Xu, Wenpeng;Zhang, Zhixin;Pang, Guibing
关键词：
圆度是旋转零件最重要的评价指标之一。零件加工中圆度的形成和变化本质上是轮廓的形成和发生过程。无心定位加工是旋转零件表面加工的主要方法之一。无心定位加工的成圆机理决定了其独特的圆度轮廓形状和遗传特性。如何消除无心定位加工的圆度误差已成为高精度回转零件加工研究的重要问题之一。从无心磨削和电化学机械加工的轮廓演变角度，探讨了工艺参数对轴承滚道圆度误差的影响，旨在为提高轴承滚道精度提供一种跨工艺协同策略。通过无心磨削实验，探讨了工艺参数对齿形的影响规律和机理。在此基础上，设计了电化学机械加工实验，探索不同轮廓形状在加工过程中的变化规律和机理。研究了跨工序协同策略，确定了无心磨削与电化学机械加工的合理参数。结果表明：在无心磨削阶段，在较大的工艺参数范围内，增大支承板角度可形成高频多叶轮廓；电化学机械加工可以有效地光滑高频轮廓，适当扩大阴极覆盖范围可以在一定程度上改善多瓣轮廓工件的圆度误差，降低工件的初始精度要求。因此，“无心磨削+电化学机械加工”的组合加工技术为实现轴承滚道等回转零件的精密加工提供了一种有效的技术手段。
Roundness is one of the most important evaluation indexes of rotary parts. The formation and change of roundness in the machining of parts is essentially the formation and genetic process of profile. Centerless positioning machining is one of the main surface finishing methods of rotary parts. The rounding mechanism of centerless positioning machining determines its unique roundness profile formation and genetic characteristics. How to eliminate the roundness error of centerless positioning machining has become one of the important issues in the research of high-precision rotary part machining. This paper explores the influence of process parameters on the roundness error from the perspective of profile evolution during centerless grinding and electrochemical mechanical machining, with the aim of providing a cross-process collaboration strategy for improving bearing raceway accuracy. Through an experiment of centerless grinding, the influence law and mechanism of process parameters on the profile are discussed. On this basis, electrochemical mechanical machining experiments are designed to explore the variation rules and mechanisms of different profile shapes in the machining process. The cross-process collaboration strategy is studied, and reasonable parameters of centerless grinding and electrochemical mechanical machining are determined. The results show that in the centerless grinding stage, increasing the support plate angle can form a multiple-lobe profile with high frequency within a wide range of process parameters. Electrochemical mechanical machining can effectively smooth the high-frequency profile and appropriately expanding the cathode coverage can improve the roundness error and reduce the requirement of initial accuracy of a multiple-lobe profile workpiece to a certain extent. Therefore, the combined machining technology of “centerless grinding + electrochemical mechanical machining” provides an efficient technical means to realize the precision machining of rotary parts such as bearing raceways.
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影响因子：
3.4
作者：
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通讯作者：
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DOI：
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发表时间：
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影响因子：
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DOI：
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发表时间：
2022-07-17
期刊：
Materials (Basel, Switzerland)
影响因子：
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作者：
通讯作者：
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DOI：
10.5545/sv-jme.2012.649
发表时间：
2012-12-01
影响因子：
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作者：
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通讯作者：
Herrera-Ruiz, Gilberto