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이춘곤(Chun-Kon Lee),이창헌(Chang-Heon Lee),변재혁(Jae-Hyuk Byun),이재열(Jae-Yul Lee),노승훈(Seung-Hoon Ro),이종형(Jong-Hyung Lee) 한국산업융합학회 2008 한국산업융합학회 논문집 Vol.11 No.4
The demand for the lighter parts compels new composite materials composed of nylon66 and glass fiber to be used for the clutch control hydraulic system to achieve the low cost, light weight and the simple production process. In this paper the feasibility of using those composite materials for the clutch system has been investigated. And the efforts have been concentrated to enhance the durability and the credibility of the system. The procedure has been developed to design the clutch system to satisfy the categories mentioned above and to analyze the durability of the system and to setup a simulation program for the realistic driving situations.
이종형(Jong-Hyung Lee),이창헌(Chang-Heon Lee),권영신(Yung-Shin Kwon),이춘곤(Chun-Kon Lee),소윤섭(Yoon-Sub So) 한국산업융합학회 2008 한국산업응용학회 학술대회 논문집 Vol.- No.-
The demand for the lighter parts compels new composite materials composed of nylon66 and glass fiber to be used for the clutch control hydraulic system to achieve the low cost, light weight and the simple production process. In this paper the feasibility of using those composite materials for the clutch system has been investigated. And the efforts have been concentrated to enhance the durability and the credibility of the system. The procedure has been developed to design the clutch system to satisfy the categories mentioned above and to analyze the durability of the system and to setup a simulation program for the realistic driving situations.
클러치 마스터 실린더의 소재 및 내부응력 변화에 관한 연구
이종형(Jong-Hyung Lee),이상철(Sang-Cheol Lee),이춘곤(Chun-Kon Lee),권영신(Yung-Shin Kwon),황용기(Yong-Ki Hwang),이창헌(Chang-Heon Yi),소윤섭(Yoon-Sub So) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.6
Special quality of automobile CMC(clutch master cylinder) and analyzed aluminum, plastic material comparison. Efficiency of plastic master cylinder can modularize higher, light weight anger of parts, several piece parts by single parts, prove NVH(Noise, Vibration, Harshness) than aluminum master cylinder as analysis result. Also, structure is easy simplicity, exchange, maintenance costs can be reduced and decrease environmental pollution because recycling is superior. According as content of glass fiber increases, mechanical properties of matter of material increase equally and glass fiber changed variously by condition on manufacturing process. Through comparison analysis with Plastic Body development connection site, did verification.
자동차용 클러치 시스템 플라스틱 튜브 모듈화에 관한 연구
이종형(Jong-Hyung Lee),이창헌(Chang-Heon Lee),권영신(Yung-Shin Kwon),이춘곤(Chun-Kon Lee),소윤섭(Yoon-Sub So) 한국산업융합학회 2008 한국산업응용학회 학술대회 논문집 Vol.- No.-
The modern automobile industry is putting enormous work on developing eco-friendly parts. It is generally accepted that the global environment is as critical a factor as the high technology in modern automobile industry. Also the demand for the lighter parts requires new composite materials to be used for the clutch system to achieve the low cost, light weight and the simple production process. This paper has investigated the feasibility of modulating a plastic clutch system using glass fiber composites with the focus on the analysis of the structure and the forming processes of the parts such as plastic damper, the plastic tube and the concentric slave cylinder. The tool has been studied to develop the above mentioned parts to replace the metal parts, and to simulate the functions of the system in order to achieve the low cost, light weight and the eco-friendly system.
Multi-Nozzle Injection Molding Automatic Machine 개발에 관한 연구
이종형 ( Jong-hyung Lee ),김정환 ( Jung-hwan Kim ),이창헌 ( Chang-heon Yi ),김윤곤 ( Yun-gon Kim ),임춘규 ( Chun-kyoo Lim ),이춘곤 ( Chun-kon Lee ),권영신 ( Yung-shin Kwon ) 한국산업융합학회 2007 한국산업융합학회 논문집 Vol.10 No.2
The demand for the precision rubber products has been rapidly increasing with the recent growth of industries. And the requirement for the productivity and the quality calls out for the injection molding machines with the precision machining ability as well as the high productivity. Especially modern automobile industry is in urgent need of developing injection molding machines for the high quality rubber products with high productivity. And the inability of the domestic companies to meet the standards causes importing foreign machines and as a result spending good amount of dollars. It is extremely important to develop competitive machines and strengthen the infrastructure of the related industries. In this paper the functions and the structure of a automatic multi-nozzle injection molding machine has been studied to set up a proper test system for the precision rate and the reliability of the machines, which can help build the machines to meet the request of the industry.
이종형 ( Jong-hyung Lee ),이상영 ( Sang-young Lee ),이창헌 ( Chang-heon Yi ),김윤곤 ( Yun-gon Kim ),임춘규 ( Chun-kyoo Lim ),이춘곤 ( Chun-kon Lee ),권영신 ( Yung-shin Kwon ) 한국산업융합학회 2007 한국산업융합학회 논문집 Vol.10 No.3
Prediction of fatigue duration is attainable from the analysis of the growth rate of the fatigue crack, and the property of the fatigue crack growth is determined by the calculation of the stress intensity factor. And the evaluation of the stress intensity factor, K comes from the stress analysis of the vicinity of crack tip of the continuum. This study describes a simple method to decide the stress intensity factor for the small crack at the sharp edge notches. The proposed method is based on the similarities between elastic stress fields of the notch tip described by two parameters, the stress concentration factor K, the radius of arc of the notch . And it is applicable to the analysis of the semi-elliptical penetration cracks and the edge notches.
클러치 마스터 실린더의 소재변화에 따른 내부응력에 관한 연구
이종형(Jong-Hyung Lee),이상철(Sang-Cheol Lee),이춘곤(Chun-Kon Lee),권영신(Yung-Shin Kwon),이창헌(Chang-Heon Yi),황용기(Yong-Ki Hwang),소윤섭(Yoo-Sub So) 한국산업융합학회 2006 한국산업응용학회 학술대회 논문집 Vol.- No.-
Special quality of automobile CMC(clutch master cylinder) and analyzed aluminum, plastic material comparison. Efficiency of plastic master cylinder can modularize higher, light weight anger of parts, several piece parts by single parts, prove NVH(Noise, Vibration, Harshness) than aluminum master cylinder as analysis result. Also, structure is easy simplicity, exchange, maintenance costs can be reduced and decrease environmental pollution because recycling is superior. According as content of glass fiber increases, mechanical properties of matter of material increase equally and glass fiber changed variously by condition on manufacturing process. Through comparison analysis with Plastic Body development connection site, did verification.
이종형(Jong-Hyung Lee),이춘곤(Chun-Kon Lee),권영신(Yung-Shin Kwon),민병길(Byung-Gil Min),최병기(Byung-Ki Choi),류재원(Jae-Won Ryu),소윤섭(Yoo-Sub So) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.3
Special quality of automobile CMC(clutch master cylinder) and analyzed aluminum, plastic material comparison. Efficiency of plastic master cylinder can modularize higher, light weight anger of parts, several piece parts by single parts, prove NVH(Noise, Vibration, Harshness) than aluminum master cylinder as analysis result. Also, structure is easy simplicity, exchange, maintenance costs can be reduced and decrease environmental pollution because recycling is superior.
이종형(Jong-Hyung Lee),이상영(Sang-Young Lee),이창헌(Chang-Heon Yi),김윤곤(Yun-Gon Kim),임춘규(Chun-Kyoo Lim),이춘곤(Chun-Kon Lee),권영신(Yung-Shin Kwon) 한국산업융합학회 2007 한국산업융합학회 논문집 Vol.10 No.4
Most of the fatigue fractures of various machine structures start at discontinuities or small defects. In this study property of crack growth of titanium alloy was also analyzed to investigate the difference compared with the carbon steel. Titanium alloy has very high specific strength, and the material is widely utilized in advanced engineering fields such as aerospace, atomic energy and ocean development because of its excellence in corrosion and heat resistance. Generally the machine structures experience irregular loadings rather than periodic forces. The prediction of the fatigue life therefore has been analyzed to provide fundamentals of the design and estimation of the machine structures under irregular loading conditions.
자동차용 플라스틱 클러치 마스터 실린더의 개발동향과 특성에 관한연구
이종형(Jong-Hyung Lee),이춘곤(Chun-Kon Lee),권영신(Yung-Shin Kwon),소윤섭(Yoon-Sub So) 한국산업융합학회 2007 한국산업융합학회 논문집 Vol.10 No.4
Special quality of automobile CMC(clutch master cylinder) and analyzed aluminum, plastic material comparison. Efficiency of plastic master cylinder can modularize higher, light weight anger of parts, several piece parts by single parts, prove NVH(Noise, Vibration, Harshness) than aluminum master cylinder as analysis result. Also, structure is easy simplicity, exchange, maintenance costs can be reduced and decrease environmental pollution because recycling is superior.