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전병철(B. C. Jeon),김지훈(J. H. Kim) 한국소성가공학회 2012 한국소성가공학회 학술대회 논문집 Vol.2012 No.5
According to the development of modern computers to store large amounts of data, development of the hard disk also tend to be parallel, as are prominent. However, these developments over the speed on the hard disk into many parts, still rely on cutting most of the processing is haneungeot. In order to solve these problems on your hard disk that connects the motor and the disk plate without cutting important components: the hub using cold forging process for manufacturing it was necessary to develop the material and cut wires to the supply of material on your hard disk by a cold forging process design and process simulation for the process was carried out.
연속적 강소성 가공을 위한 스프링 가압형 ECAP 설계
진영관(Y. G. Jin),전병철(B. C. Jeon),임용택(Y. T. Im) 한국소성가공학회 2010 한국소성가공학회 학술대회 논문집 Vol.2010 No.10
Severe plastic deformation processing by equal channel angular pressing (ECAP) has attracted noticeable attention because it is an effective technique to produce the ultrafine-grained materials with enhanced mechanical properties. In the present study, split dies combined with the principle of spring-loaded preform process were newly proposed to provide a solution for the inefficiency of ECAP process. The designed and constructed spring-loaded ECAP set-up was used to make the continuous process feasible. Experiments for a single pass of ECAP were carried out to process aluminum alloy AA6061 by using the multi-stage former at room temperature. Vickers microhardness test was applied to investigate strength increase in the specimen deformed by ECAP. The spring-loaded ECAP proposed might be beneficial in commercializing a continuous application of ECAP to produce a high strength part in industry.
최진화(J-H Choi),전병철(B-C Jeon),조명우(M-W Cho) 한국생산제조학회 2005 한국공작기계학회 추계학술대회논문집 Vol.2005 No.-
A feature-based inspection planning system for On-Machine Measurement (OMM) is proposed to inspect the complicated mechanical parts efficiently during machining or after machining. The inspection planning consists of Global Inspection Planning (GIP) and Local Inspection Planning (LIP). In the GIP stage of the proposed strategy, the system creates an optimum inspection sequence of the features in a part. In the LIP stage, the system generates inspection parameters such as the suitable number of measuring points, their locations, and the optimum probing paths for each feature. The results are simulated and analyzed to verify the effectiveness of the proposed methods.
G-code control 을 이용한 웹 기반 금형 가공 공정 모니터링 & 컨트롤 시스템 개발
김건희(G. H. Kim),최진화(J. H. Choi),전병철(B. C. Jeon),조명우(M. W. Cho) 한국정밀공학회 2004 한국정밀공학회 학술발표대회 논문집 Vol.2004 No.10월
The target of this paper is the development of Web-based monitoring & control system which is for effective and economic management of mold manufacturing process. This system has three module; G-code Control, Monitoring Module and Result analysis module. Also, as the environment of development is based on internet, this system which is possible to the remote site management of manufacturing process works on Web. To be possible to control the manufacturing monitoring by client, each module is made ActiveX control and is based on socket communication. This system makes the foundation which is possible to manage the mold manufacturing process efficiently from remote site by matching real-time monitoring with manufacturing process in factory using G-code control and displaying the result of manufacturing using Ch-CGI.
비전정보와 캐드 DB 의 매칭을 통한 웹기반 금형판별 시스템 개발
김세원(S. W. Kim),김동우(D. W. Kim),전병철(B. C. Jeon),조명우(M. W. Cho) 한국정밀공학회 2004 한국정밀공학회 학술발표대회 논문집 Vol.2004 No.10월
In recent die industry, web-based production control system is applied widely because of the improvement of IT technology. In result, many researches are published about remote monitoring at a long distance. The target of this study is to develop Die Discrimination System using web-based vision, and CAD API when client discriminates die in process at a long distance. Special feature of this system is to use 2D vision image and to match with DB. We can get discrimination result enough to want with short time and a little low precision in web-monitoring by development of this system.