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수동 변속기 차량의 클러치 특성시험을 위한 휴대용 측정 시스템 개발
신오철(O-Chol Shin),정수용(Soo-Ryong Jung),정원지(Won-Ji Chung),김재민(Jae-Min Kim),박수성(Su-Seong Park) 한국기계가공학회 2009 한국기계가공학회 춘추계학술대회 논문집 Vol.2009 No.6월
The clutch delivers engine power at the transmission. So clutch is an very important part in a car. In case of Manual clutch, the driver is a direct manipulation. For this reason, clutch is improving through continuous research and development for flexibility of pedal manipulation and Accuracy of power deliver. But now localization of characteristics measure system of clutch is meager. especially characteristics measure system of clutch equipped to car is depend heavily on other countries for technologies. Therefor in this research, developing portable test device and Algorithm. It's easy to sensor installation and measurement program operation than existing test System as a result of apply to domestic car makers, and clutch manufacturer. specially portability is excellent due to miniaturization.
연마필름을 이용한 센터리스 수퍼피니싱의 연마조건에 관한 기초연구
신오철(O-Chol Shin),정수용(Soo-Ryong Jung),신형재(Hyung-Jae Shin),정윤교(Yoon-Gyo Jung) 한국생산제조학회 2006 한국공작기계학회 춘계학술대회논문집 Vol.2006 No.-
Recently, a demand of accuracy surface roughness about narrow and long components applied to electronics, auto-mobile, machine tool, and aerospace is increased. As a result, compared to a existing grinding system, the development of centerless superfinishing system using abrasive film is expected a high efficiency for reducing time and equal surface roughness. In this study, centerless superfinishing system using abrasive film was developed, thus surface roughness of Ra 0.02㎛ become possible. Farther, standardization of grinding condition and selection of abrasive film to apply real file was investigated.
수동 변속기 차량의 클러치 특성시험을 위한 휴대용 측정 시스템 개발
신오철(O-Chol Shin),정수용(Soo-Ryong Jung),정원지(Won-Ji Chung),김재민(Jae-Min Kim),박수성(Su-Seong Park) 한국기계가공학회 2009 한국기계가공학회 춘추계학술대회 논문집 Vol.2009 No.6
The clutch delivers engine power at the transmission. So clutch is an very important part in a car. In case of Manual clutch, the driver is a direct manipulation. For this reason, clutch is improving through continuous research and development for flexibility of pedal manipulation and Accuracy of power deliver. But now localization of characteristics measure system of clutch is meager. especially characteristics measure system of clutch equipped to car is depend heavily on other countries for technologies. Therefor in this research, developing portable test device and Algorithm. It's easy to sensor installation and measurement program operation than existing test System as a result of apply to domestic car makers, and clutch manufacturer. specially portability is excellent due to miniaturization.
MLCC의 2차 소성을 위한 칩 정렬 자동화 시스템 제작 및 기초 성능평가
신오철(O-Chol Shin),정수용(Soo-ryong Jung),정원지(Won-ji Chung),정순현(Sun-hyeon Jung),김재민(Jae-min Kim) 한국생산제조학회 2009 한국공작기계학회 추계학술대회논문집 Vol.2009 No.-
MLCC production process is after the first plasticity and 2nd cutting plasticity for mix to plastic chips and powder. And should be constant alignment in the plaid. However, the existing manual tasks in the most efficient product defects were falling. However, this research project was developed through an automated system for sorting on a single system model, one or more of the model can be applied to multi structure and alignment of one plate divided into one or more advantages can be sorted by and compared to existing manual or system-chip alignment and density of 95% or more chips stacked vertically placed, and the symptoms can be reduced, and sorting operations that occur on scattering of chips, broken plates the benefits do not occur.
적층 세라믹 캐피시터의 2차 소성을 위한 칩 정렬 자동화 시스템 개발
신오철(O-Chol Shin),정수룡(Soo-Ryong Jung),김성일(Seong-Il Kim),정원지(Won-Ji Chung),정순현(Sun-Hyeon Jung),김재민(Jae-Min Kim) 한국기계가공학회 2009 한국기계가공학회 춘추계학술대회 논문집 Vol.2009 No.6
Production processes of MLCC is required for array mixed cut chip and powder on the plate to second firing after first firing and cutting. An existing production processes is a hand array. therefore an existing production processes had lower production efficiency and higher faulty product. but developed array Automation system could have apply one or more model and one or more part of cut chip array on the plate as a result of this research. Also density of cut chip is higher than 95% as compared with an existing production processes. as well as reduction of working hours by with out vertical arrangement and lamination. While array prepossessing, scattering of chip and breakage of plate could not occur.
적층 세라믹 캐피시터의 2차 소성을 위한 칩 정렬 자동화 시스템 개발
신오철(O-Chol Shin),정수룡(Soo-Ryong Jung),김성일(Seong-Il Kim),정원지(Won-Ji Chung),정순현(Sun-Hyeon Jung),김재민(Jae-Min Kim) 한국기계가공학회 2009 한국기계가공학회 춘추계학술대회 논문집 Vol.2009 No.6월
Production processes of MLCC is required for array mixed cut chip and powder on the plate to second firing after first firing and cutting. An existing production processes is a hand array. therefore an existing production processes had lower production efficiency and higher faulty product. but developed array Automation system could have apply one or more model and one or more part of cut chip array on the plate as a result of this research. Also density of cut chip is higher than 95% as compared with an existing production processes. as well as reduction of working hours by with out vertical arrangement and lamination. While array prepossessing, scattering of chip and breakage of plate could not occur.
소형부품 및 시험용 시편 절단을 위한 소형 컷팅기 개발
신오철(O-Chol Shin),정원지(Won-ji Chung),박수성,김재민(Jae-min Kim),Su-min Kim 한국생산제조학회 2009 한국공작기계학회 추계학술대회논문집 Vol.2009 No.-
A small part and metal parts, test piece used for industries are cutted by lathe and a large cutting machine, a hand grinder. Cutting-off cause noise and need a secondary processing because broken a section, especially in case of a large cutting machine and a hand-grinder often used as cutting a small part. So this study had developed a small cutting machine(4' cutting wheel). It apply large cutting machine(10'~12' cutting wheel) and hand-grinder (4' cutting wheel). An efficiency test using a small cutting machine find out attrition rate of cutting wheel higher than hand-grinder. but a section's pattern of workpiece that caused by cutting wheel is uniform. Also burr from the boundary is lower than hand-grinder. Accordingly developed a small cutting machine is expected to help cutting a small part and a test pieces.
박수성(Su-Seong Park),정원지(Won-Ji Chung),신오철(O-Chol Shin),김재민(Jae-Mim Kim) 한국자동차공학회 2009 한국자동차공학회 학술대회 및 전시회 Vol.2009 No.11
The clutch transmit engine power to the transmission. Accordingly clutch is a necessary part in a car. In case of Manual clutch, the driver handle clutch directly. This is why we are getting into research for clutch characteristic measurement system. But nowadays clutch characteristics measurement system is something yet to development in Korea. Therefor in this research, developing portable test device and Algorithm. It's easy to sensor installation and measurement program operation than existing test system. This paper is composed of two parts: (1)developing clutch characteristic measurement system; (2) Testing performance verification of clutch characteristic measurement system.
내면 폴리싱을 위한 연마필름 이송가이드의 설계 및 특성해석에 관한 기초 연구
김재민(Jae min Kim),정수용(Suo ryong Jung),신오철(O chol SHin),박환웅(Hwan ung Park),정원지(won ji Chung) 한국생산제조학회 2007 한국공작기계학회 춘계학술대회논문집 Vol.2007 No.-
The request of very detailed parts by progress of industry is increasing recently. Therefore, super minuteness processing and development of the precision machinery industry are consisting actively. Grinding work that use grinding film of them is less noise and fraction. Introduced to industry from late 1980s in our country. Lately, is trend that the demand increases. According as demand of industry spot increases since 2002 years. Roller type and Centerless SuperFinishing system, Internal Superfinishing system's domestic products development succeeded to individual technical development in private enterprise system dimension. However, research is lacking real condition in reply. Therefore, treatise that see enforced basis research through static analysis and dynamics analysis about transfer guide in inside Polishing work that use grinding film.