The relationship between acoustic emission signals and cutting phenomena in turning process

被引:62
作者
Hase, Alan [1 ]
Wada, Masaki [2 ]
Koga, Toshihiko [2 ]
Mishina, Hiroshi [3 ]
机构
[1] Saitama Inst Technol, Dept Mech Engn, Fac Engn, Fukaya, Saitama 3690293, Japan
[2] Polytech Univ, Dept Mech Syst Engn, Kodaira, Tokyo 1870035, Japan
[3] Chiba Univ, Grad Sch Engn, Dept Artificial Syst Sci, Inage Ku, Chiba 2638522, Japan
关键词
Acoustic emission; Cutting; Machining; Monitoring; Chip; Surface roughness; Tool wear; TOOL WEAR;
D O I
10.1007/s00170-013-5335-9
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The development of intelligent manufacturing by using machine tools is advancing in leaps and bounds. To maintain accuracy in machining and in the interests of fail-safe operation, monitoring of the cutting state or the final machining is very important. Acoustic emissions (AE) comprise elastic stress waves produced as a result of the deformation and fracture of materials. By measuring the AE generated during a turning process, it is possible to estimate the state of the machining operation. The correlation between cutting phenomena and AE in a turning process was examined experimentally by using a steel workpiece and a cermet tool in a numerically controlled turning process. The process of formation of chips, the types of chip, and the shear angle all markedly affected the AE signals. There was a strong negative correlation between the shear angle and the AE signal level. Similar results were obtained for various feed rates and for workpieces of various degrees of hardness. Correlations related to surface roughness and to tool wear are also described that permit the evaluation of the state of the turning process.
引用
收藏
页码:947 / 955
页数:9
相关论文
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