基于响应曲面法的轴承钢GCr15高速外圆磨削参数优化

中国机械工程

基于响应曲面法的轴承钢GCr15高速外圆磨削参数优化

刘伟1,2;商圆圆1,2;邓朝晖1,2;刘仁通1,2;肖周强2

1.湖南科技大学难加工材料高效精密加工湖南省重点实验室，湘潭，411201
2.湖南科技大学机电工程学院，湘潭，411201

出版日期:2019-12-10 发布日期:2019-12-10
基金资助:
国家自然科学基金资助项目(51505144)；
湖南省自然科学基金资助项目(2017JJ4007)；
湘潭市科技计划资助项目(ZCB20164021)

Parameter Optimization of High Speed Cylindrical Grinding for Bearing Steel GCr15 Based on Response Surface Method

LIU Wei1,2;SHANG Yuanyuan1,2;DENG Zhaohui1,2;LIU Rentong1,2;XIAO Zhouqiang2

1.Hunan Provincial Key Laboratory of High Efficiency and Precision Machining of Difficult-to-cut Material,Hunan University of Science and Technology,Xiangtan,Hunan,411201
2.School of Mechanical Engineering,Hunan University of Science and Technology, Xiangtan,Hunan,411201

Online:2019-12-10 Published:2019-12-10

摘要/Abstract

摘要： 为充分发挥轴承钢GCr15优越的材料性能，保证GCr15轴承等产品的加工质量和加工效率，开展了高速外圆磨削参数优化研究。选用立方氮化硼（CBN）砂轮进行GCr15的高速外圆磨削响应曲面试验，根据试验结果建立磨削力、磨削温度、变质层深度等磨削结果的回归模型。结合回归模型与磨粒的最大未变形切屑厚度模型，综合分析砂轮线速度、工件速度、磨削深度等磨削参数对磨削结果的影响规律。以磨削结果综合最小为目标，进行磨削参数的多目标优化，通过试验验证优化模型和优化结果的正确性。

关键词: GCr15, 高速外圆磨削, 参数优化, 响应曲面法

Abstract: The optimization of HSCG parameters was studied for the full using of the superior material performance of bearing steel GCr15, as well as the processing quality and efficiency of bearing products. The response surface experiments of HSCG were carried out on GCr15 with a cubic boron nitride(CBN) grinding wheel. According to the experimental results, the regression models about the grinding results were established for grinding force, grinding temperature and deteriorative layer depth. Combined with the regression models and the maximum undeformed chip thickness model of grains, the influences of grinding parameters, such as grinding wheel speed, workpiece speed and grinding depth, on the grinding results were comprehensively analyzed. For the integrated minimum of grinding results, the multi-objective optimization were carried out on the grinding parameters. The correctness of the optimization models and results were verified by experiments.

Key words: GCr15, high speed cylindrical grinding(HSCG), parameter optimization, response surface method

中图分类号:

TG580

刘伟1,2;商圆圆1,2;邓朝晖1,2;刘仁通1,2;肖周强2. 基于响应曲面法的轴承钢GCr15高速外圆磨削参数优化[J]. 中国机械工程.

LIU Wei1,2;SHANG Yuanyuan1,2;DENG Zhaohui1,2;LIU Rentong1,2;XIAO Zhouqiang2. Parameter Optimization of High Speed Cylindrical Grinding for Bearing Steel GCr15 Based on Response Surface Method[J]. China Mechanical Engineering.

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