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정황영(Hwang-Young Jeong),홍준희(June-Hee Hong),강대화(Dae-Hwa Kang),송두상(Doo-Sang Song),곽양양(Yang-Yang Guo),이재설(Jae-seol Lee) 한국생산제조학회 2010 한국생산제조시스템학회 학술발표대회 논문집 Vol.2010 No.10
The purpose of this paper lies in verification the possibility in counterfeit discrimination with excellent confidence as well as easy way of using for the general, as a consequence of a design or manufacture appropriate optical fiber sensor for counterfeit discrimination using wave length of a visible ray zone. The light was altered by lightening optical fiber sensor to particular part of banknotes in order to displacement response of optical fiber sensor. The experiment was processed with data of 100 banknotes on manufacture optical fiber, probe, jig. As a result, It was verified that discriminate counterfeit when the experiment was processing with hologram or CSI on the banknotes with three kinds of color printer.
자동 측정이 가능한 전용 캠 프로파일 측정 시스템 개발
정황영(Hwang-Young Jeong),이현석(Hyun-Seok Lee),홍준희(Jun-Hee Hong),박태민(Tae-Min Park),신우철(Woo-Cheol Shin),고준빈(Jun-Bin Koh) 한국생산제조학회 2007 한국공작기계학회 춘계학술대회논문집 Vol.2007 No.-
In this paper, It does the profile measurement of the cam of diesel engine SOHC of the actual object. It uses the measurement of run-out method. This method is that the surface of the object is measured by the sensor when the object rotate, and calculated and displayed by the computer the signal which acquired by sensor. When we acquire the signals, we have two error because of motion and contacting between cam and probe. In this paper, we compensate the motion error while simply liner equation. And we have a solution that we change the figure of probe when we have a contacting error. We compared the data measuring on developed automatic cam profile measuring system with the data measured on CMM.
정황영(Hwang-Young Jeong),송두상(Doo-Sang Song),홍준희(Jun-Hee Hong) 한국생산제조학회 2016 한국생산제조학회지 Vol.25 No.2
The purpose of this study is to develop special tools used to extend the tool life for the boom of heavy equipment. The boom of heavy equipment is manufactured by cutting the inner and outer surface with respect to the assembly site essential. In particular, when cutting the inner surface, entry of the tool is difficult owing to the limited size of the inner diameter and non circular cutting. In addition, the productivity is poor because the use of the cutting tool made of the SKH material. Therefore, it is necessary to develop a special tool for machining heavy equipment boom to extend tool life and to improve productivity. The special tool developed this study has the form of a holder and tip. The tip was created by applying a commercially available tungsten carbide insert.
자동 측정이 가능한 전용 캠 프로파일 측정 시스템 개발
정황영(Hwang-Young Jeong),이현석(Hyun-Seok Lee),홍준희(Jun-Hee Hong),박태민(Tae-Min Park),신우철(Woo-Cheol Shin),고준빈(Jun-Bin Koh) 한국생산제조학회 2008 한국생산제조학회지 Vol.17 No.1
In this paper, It does the profile measurement of the cam of diesel engine SOHC of the actual object. It uses the measurement of run-out method. This method is that the surface of the object is measured by the sensor when the object rotate, and calculated and displayed by the computer the signal which acquired by sensor. When we acquire the signals, we have two error because of motion and contacting between cam and probe. In this paper, we compensate the motion error while simply liner equation. And we have a solution that we change the figure of probe when we have a contacting error. We compared the data measuring on developed automatic cam profile measuring system with the data measured on CMM.
정황영(Hwang-Young Jeong),홍준희(June-Hee Hong),강대화(Dae-Hwa Kang),송두상(Doo-Sang Song),곽양양(Yang-Yang Guo),이재설(Jae-seol Lee) 한국생산제조학회 2010 한국공작기계학회 추계학술대회논문집 Vol.2010 No.-
The purpose of this paper lies in verification the possibility in counterfeit discrimination with excellent confidence as well as easy way of using for the general, as a consequence of a design or manufacture appropriate optical fiber sensor for counterfeit discrimination using wave length of a visible ray zone. The light was altered by lightening optical fiber sensor to particular part of banknotes in order to displacement response of optical fiber sensor. The experiment was processed with data of 100 banknotes on manufacture optical fiber, probe, jig. As a result, It was verified that discriminate counterfeit when the experiment was processing with hologram or CSI on the banknotes with three kinds of color printer.
자동 측정이 가능한 전용 캠 프로파일 측정 시스템 개발
정황영(Hwang-Young Jeong),이현석(Hyun-Seok Lee),홍준희(Jun-Hee Hong),박태민(Tae-Min Park),신우철(Woo-Cheol Shin),고준빈(Jun-Bin Koh) 한국생산제조학회 2007 한국생산제조시스템학회 학술발표대회 논문집 Vol.2007 No.5
In this paper, It does the profile measurement of the cam of diesel engine SOHC of the actual object. It uses the measurement of run-out method. This method is that the surface of the object is measured by the sensor when the object rotate, and calculated and displayed by the computer the signal which acquired by sensor. When we acquire the signals, we have two error because of motion and contacting between cam and probe. In this paper, we compensate the motion error while simply liner equation. And we have a solution that we change the figure of probe when we have a contacting error. We compared the data measuring on developed automatic cam profile measuring system with the data measured on CMM.