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광 파이버 변위 센서를 이용한 주축 모니터링 시 나타나는 런아웃 특성에 대한 실험적 고찰
신우철,박찬규,정택구,홍준희,이동주 한국공작기계학회 2003 한국공작기계학회 춘계학술대회논문집 Vol.2003 No.-
Spindle state monitoring is getting more and more important according to the technology trend of spindle that is accurate and automated. Spindle state monitoring is to measure the state of rotation vibrations. The spindle rotation error motion detected by sensing device includes rotation object's unbalance, external forced vibrations, shape error of spindle, as well as measuring error of monitoring device. In this paper, we have inspected the runout characteristics that are connected to mechanical runout of spindle shape and electrical runout of sensing system's characteristics. Also, we introduce the way to exclude the runout elements that appear while you monitor a spindle state.
주축 상태 모니터링 용 광파이버 변위센서 제작 및 성능평가
신우철(Woo-cheol Shin),홍준희(Jun-hee Hong),박찬규(Chan-gyu Park) 한국생산제조학회 2005 한국생산제조학회지 Vol.14 No.6
This paper presents fabrication techniques of the optical fiber position sensor for spindle state monitoring. These include selection of components such as optical fibers, a laser-diode, a photo-diode, and op-amp IC of the signal process circuit. We also describe electric runout problem. The fabricated sensor has a linearity of 1.7% FSO in the air gap range 0.1 ~ 0.6㎜, a resolution of 0.37 μm and a bandwidth of 6.3㎑. Finally, we have successfully operated a magnetic bearing spindle system using the sensors.
고속 주축 상태 모니터링용 광파이버 변위 센서 설계 제작 및 성능평가
홍준희,박찬규,신우철,이동주 한국공작기계학회 2004 한국공작기계학회 추계학술대회논문집 Vol.2004 No.-
This paper is focused on practical applicability of the optical fiber sensor considering the machine center which is going to use them. Optical fibers may be fluctuated because the machine center operates as column moving type. This causes distortion of the sensor output signal. To reduce this problem, we have improved the sensor structure and its bracket. And we evaluated performances of the sensor.
고속 주축 상태 모니터링용 광파이버 변위 센서 설계 제작 및 성능평가
홍준희(Jun-hee Hong),박찬규(Chan-gyu Pare),신우철(Woo-cheol Shin),이동주(Dong-ju Lee) 한국생산제조학회 2004 한국생산제조시스템학회 학술발표대회 논문집 Vol.2004 No.10
This paper is focused on practical applicability of the optical fiber sensor considering the machine center which is going to use them. Optical fibers may be fluctuated because the machine center operates as column moving type. This causes distortion of the sensor output signal. To reduce this problem, we have improved the sensor structure and its bracket. And we evaluated performances of the sensor.