주축 모터를 이용한 포터블 자동 면취기의 가공 안정성 진단
Diagnosis of Cutting Stability of Portable Automatic Beveling Machine Using Spindle Motor Current
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초록
This study describes a system that monitors the tool and cutting state of automatic beveling operation in real time. As a signal for cutting state monitoring, a motor current detected from the spindle drive system of the automatic beveling machine is used to monitor abnormal state. Because automatic beveling is processed using a face milling cutter, the cutting force mechanism is the same as the milling process. The predicted cutting torque is obtained using a cutting force model based on specific cutting resistance. Then, the predicted cutting torque is converted into the spindle motor current value, and cutting state stability is diagnosed by comparing it with the motor current value detected during beveling operation. The experimental results show that the spindle motor current can detect abnormal cutting state such as overload and tool wear during beveling operation, and can diagnose the cutting stability using the proposed equipcurrent line diagram.
Abstract
This study describes a system that monitors the tool and cutting state of automatic beveling operation in real time. As a signal for cutting state monitoring, a motor current detected from the spindle drive system of the automatic beveling machine is used to monitor abnormal state. Because automatic beveling is processed using a face milling cutter, the cutting force mechanism is the same as the milling process. The predicted cutting torque is obtained using a cutting force model based on specific cutting resistance. Then, the predicted cutting torque is converted into the spindle motor current value, and cutting state stability is diagnosed by comparing it with the motor current value detected during beveling operation. The experimental results show that the spindle motor current can detect abnormal cutting state such as overload and tool wear during beveling operation, and can diagnose the cutting stability using the proposed equipcurrent line diagram.
참고문헌 (15)
- M. J. Maeng, "A Study on the Cutting Resistance and Acoustic Emission Signal due to Increasing Tool Wear in Turning", J. Korean Soc. Mach. Tool Eng, 4(2), pp.18~24 (1995)
- 전재현, "절삭력 진동 측정에 의한 가공공정 모니터링", 한국소음진동공학회논문집, 22(11), pp.1106~1112 (2012), 한국소음진동공학회[DOI]
- G. D. Kim, "Prediction of the Amount of Tool Fracture in Face Milling Using Cutting Force Signal", Trans. Korean Soc. Mech. Eng. A, 25(6), pp.972~979 (2001)
- G. D. Kim, "Indirect Cutting Force Measurement and Cutting Force Regulation Using Spindle Motor Current", J. Korean Soc. Precis. Eng, 14(10), pp.15~27 (1997)
- J. L. Stein, "Analysis of Power Monitoring on AC induction Drive Systems", ASME J. Dyn. Syst., Meas. Control, 112(2), pp.239~248 (1990)
- T. W. Kim, "Indirect Cutting Force Measurement by Using Servodrive Current Sensing and it’s Application to Monitoring and Control of Machining Process", J. Korean Soc. Precis. Eng, 13(2), pp.133~145 (1996)
- S. C. Kim, "Cutting Force Estimation Using Feed drive and Spindle Motor Currents in Milling Processes", Trans. Korean Soc. Mech. Eng. A, 22(11), pp.2029~2038 (1998)
- P. L. B. Oxley, "Mechanics of Machining an Analytical Approach to Assessing Machinability", pp.242~ (1989), Ellis Horwood
- H. -T. Young, "Predicting Cutting Forces in Face Milling", Int. J. Mach. Tools Manufact, 34(6), pp.771~783 (1994)
- X. P. Li, "Theoretical modeling and simulation of milling forces", J. Mater. Process. Technol, 89-90, pp.266~272 (1999)
- 김국원, "Predicting cutting forces in face milling with the orthogonal machining theory", International Journal of Precision Engineering and Manufacturing, 6(3), pp.13~18 (2005), 한국정밀공학회
- S. C. Jung, "Prediction of Cutting Force in High Speed End Milling", J. Korean Soc. Manuf. Process Eng, 4(4), pp.21~27 (2005)
- 김국원, "정면밀링 절삭력 예측을 위한 이론적 모델링", 한국기계가공학회지, 7(3), pp.100~106 (2008), 한국기계가공학회
- 김국원, "정면 밀링 가공에서의 비절삭 저항 모델링 및 절삭력 예측", 한국생산제조학회지, 17(5), pp.116~122 (2008), 한국생산제조학회
- M. A. Rubeo, "Milling Force Modeling : A Comparison of Two Approaches", Proc. N. Am. Manuf. Res. Inst. SME, 5, pp.90~105 (2016)