Novel real-time monitoring method of depths of cut and runout for milling process utilizing FFT analysis of cutting torque

被引:7
作者
Lee, Kyungki [1 ]
Hayasaka, Takehiro [1 ]
Shamoto, Eiji [1 ]
机构
[1] Nagoya Univ, Grad Sch Engn, Furo Cho,Chikusa Ku, Nagoya, Aichi 4648603, Japan
来源
PRECISION ENGINEERING-JOURNAL OF THE INTERNATIONAL SOCIETIES FOR PRECISION ENGINEERING AND NANOTECHNOLOGY | 2023年 / 81卷
关键词
Monitoring; Axial depth of cut; Radial depth of cut; Runout; Cutting torque; Real-time; FORCE COEFFICIENTS; IDENTIFICATION; PREDICTION; CHATTER;
D O I
10.1016/j.precisioneng.2023.01.010
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
For smart manufacturing systems, it is required to monitor the cutting process in real-time to recognize the present state of the process. In this study, a novel method to monitor important parameters (i.e., axial/radial depths of cut and end mill runout) in the square end milling process by analyzing frequency components of the cutting torque is proposed. The proposed method assumes easily achievable information about the cutting conditions (i.e., spindle speed and feed rate) and tool parameters (i.e., helix angle, nominal radius, and number of flutes) as the given inputs. The presented method only utilizes measured torque data and the given inputs; therefore, it does not require any previously tuned information (e.g., specific cutting forces). From the perspective of the cutting torque model, analytical relationships between the process parameters to monitor and the frequency components of the cutting torque are clarified. On the basis of the mathematical expressions derived from the model, the proposed method offers a monitoring scheme of axial/radial depths of cut and runout. In addition, an index is suggested to offer information on reliability of the monitored outputs to the user. As results of experimental tests, the proposed method successfully monitored axial/radial depths of cut and runout and evaluated the reliability of the outputs.
引用
收藏
页码:36 / 49
页数:14
相关论文
共 27 条
[1]   Cutting torque and tangential cutting force coefficient identification from spindle motor current [J].
Aggarwal, Saurabh ;
Nesic, Nenad ;
Xirouchakis, Paul .
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, 2013, 65 (1-4) :81-95
[2]  
Altinta Y., 1995, ANN CIRP, V44, P357, DOI [10.1016/S0007-8506(07)62342-7, 10.1016/s0007-8506(07)62342-7, DOI 10.1016/S0007-8506(07)62342-7]
[3]   THE IDENTIFICATION OF RADIAL WIDTH AND AXIAL DEPTH OF CUT IN PERIPHERAL MILLING [J].
ALTINTAS, Y ;
YELLOWLEY, I .
INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE, 1987, 27 (03) :367-381
[4]  
Armarego EJA., 1991, CIRP ANN-MANUF TECHN, V40, P25, DOI [10.1016/S0007-8506(07)61926-X, DOI 10.1016/S0007-8506(07)61926-X]
[5]   Analytical prediction of chatter stability in milling - Part II: Application of the general formulation to common milling systems [J].
Budak, E ;
Altintas, Y .
JOURNAL OF DYNAMIC SYSTEMS MEASUREMENT AND CONTROL-TRANSACTIONS OF THE ASME, 1998, 120 (01) :31-36
[6]   Prediction of milling force coefficients from orthogonal cutting data [J].
Budak, E ;
Altintas, Y ;
Armarego, EJA .
JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME, 1996, 118 (02) :216-224
[7]   In-process prediction of cutting depths in end milling [J].
Choi, JG ;
Yang, MY .
INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE, 1999, 39 (05) :705-721
[8]   Automatic detection of depth of cut during end milling operation using acoustic emission sensor [J].
Gaja, Haythem ;
Liou, Frank .
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, 2016, 86 (9-12) :2913-2925
[9]   Mechanistic identification of specific force coefficients for a general end mill [J].
Gradisek, J ;
Kalveram, M ;
Weinert, K .
INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE, 2004, 44 (04) :401-414
[10]   Regenerative chatter by teeth allocated in the cutting direction with position-dependent modal displacement ratios [J].
Hayasaka, Takehiro ;
Xu, Yang ;
Jung, Hongjin ;
Shamoto, Eiji ;
Xu, Liangji .
CIRP ANNALS-MANUFACTURING TECHNOLOGY, 2019, 68 (01) :409-412