The Machining Parameters Online Monitoring Method for Stability Prediction

被引:0
|
作者
Jiang Yongxiang [1 ,2 ]
Deng Sanpeng [1 ]
Qi Yuming [1 ]
Du Bing [3 ]
机构
[1] Tianjin Univ Technol & Educ, Tianjin 300222, Peoples R China
[2] Tianjin Key Lab High Speed Cutting & Precis Machi, Tianjin 300222, Peoples R China
[3] Tianjin Univ, Sch Mech Engn, Tianjin 300072, Peoples R China
关键词
Online detecting; Regenerative chatter; Stability; GRINDING PROCESSES;
D O I
10.4028/www.scientific.net/AMM.141.559
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Unstable grinding due to the regenerative chatter is one of the most critical errors and a serious limitation to achieve good surface quality. The machining accuracy of CNC is greatly depending on online detecting, prediction and control ability of abnormal phenomena in machining such as chatter. Based on the mechanism of regenerative chatter, the dynamic models of cylindrical plunging are established by considering both the rotate speed of workpiece and grinding wheel. The traverse grinding can be assumed as the sum of several stepwise plunging grinding with respect to the grinding contact area. The stability caused by online detecting indexes of grinding parameters was analyzed. Grinding experiments of online chatter detecting were carried out and agreed well with the theoretical results that show good application future for online chatter detecting.
引用
收藏
页码:559 / +
页数:2
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