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황선문 전주대학교 공학기술종합연구소 2002 전주대학교 공학기술종합연구소 학술논문집 Vol.8 No.1
This paper dealt with developing the quality inspection system which concerned about managing, reserving the inspected quality data aid control the quality activity via statistical analysis tools. The Quality inspection system is necessary for taking company's competitive advantages The system compromises inspection activities related to unstructured current -system and inspection control module. The software was implemented using Delphi 5.0 and Paradox Database engine under Windows 98 operating system The developing system could guarantee production quality and productivity through inspection control and procedure.
황선문 전주대학교 공학기술종합연구소 1998 전주대학교 공학기술종합연구소 학술논문집 Vol.4 No.2
This study has been devoted to improve productivity through using multi-functional workers. In order to prove the power of using the multi-functional workers, two companies, were chosen for the research. Within these companies, Group Working(GW) cell was made on the shop floor and the multi-functional workers were trained from the single functional workers by on the job training method. Then, the production results from GW cells were recorded and analysed to find out the effectiveness of the cell. The productivity from the cells were much higher than the one using single functional workers. Through this research, on the job training was the appropriate training method to convert a single-function worker to the multi-functional worker. Furthermore, on the job training can be well matched within GW method. For the research, Action Research was used as the appropriate research methodology.
황선문 전주대학교 공학기술종합연구소 2003 전주대학교 공학기술종합연구소 학술논문집 Vol.9 No.1
The purpose of this paper is to increase productivity for Plants Within Plants (PWP) worked for the outsourcing work from a big company. The big company supplies to PWP through informing production planning, rending a particular production line, suppling raw materials and helping variety of technical supports. PWP has to complete the process and returned the finished goods to the company, Thus, the production manager in PWP h limited options for increasing productivity, but organizing workers in a better way on the shop floor. The PWP m e was chosen for this research which is for the final process of making a body wash. Three alternatives were made as: firstly, reducing work stations and reducing balance delay; secondly, using group working method on the line; thirdly, an allowance time was added on the second alternative for compensating workers movements. A computer simulation method has been used for comparing and evaluating the current assembly line and three alternative plans. Simulation results have shown that the second one is superior to the other three lines in terms of low Work-In-Process(WIP) level and high production output. If the characteristics of Group working is considered by adding allowance rates, the third one is more realistic on the shop floor, and it shows also higher production output and low WIP level. In conclusion, applying Group Working within PWP production environment could be the solution for increasing productivity.
황선문 전주대학교 공학연구소 1997 전주대학교 공학기술종합연구소 학술논문집 Vol.3 No.1
This study explores the effects of implementing Group Working Methods (GW) within a cellular layout. This research was experimented in a medium sized electronics company. Group Working was applied to a cellular layout and its production results were compared to a conventional product layout. During the production, the cell using GW manufactured higher quality products in fewer labour hours compared to the conventional layout. Furthermore, the operators preferred working in the cell, but the supervisors resisted the adoption of the cell in the company wide. For this research, Action Research was adopted as an appropriate research methodology.
Applying SSM for TPM Application
황선문,강병석 전주대학교 공학연구소 1996 전주대학교 공학기술종합연구소 학술논문집 Vol.2 No.2
This paper explores the effects of using Soft System Methodology(SSM) for the applications of Total Productive Maintenence(TPM). SSM is analytical tool for the changes, and TPM is the method of improving the effectiveness of machinery maintenance. These two different management tools are harmonized for improving machinery utilization in the confectionery industry in Korea Since, the confectionery industry depends their production efficiency on highly automated machines, improving utilization rates of these machines are the very important issue for the industry. Thus, TPM has been implemented to analyze the advantages and disadvantages from the machinery maintenance. In the project, SSM was also used to the effective application of TPM in order to approach the real world problems. For the application aspects of TPM, Action Research was choosen to find the implemention aspects of TPM. According to the results of this study, breakdown rates of the machines were reduced and the machinery maintenance became easier than before. Furthermore, the plant operators have participated their work more positively.
황선문 전주대학교 공학기술종합연구소 2002 전주대학교 공학기술종합연구소 학술논문집 Vol.8 No.1
This study has been devoted to understand the effects of implementing Temporal Flow fine(TFL) within a lop shop environment. In a job shop environment, number of products am be processed while lead time has to be long and Work. In Progress(WIP) is usually high In order to avoid these disadvantages, TFL was created using Group Technology(GT) and Cyclic Planning(CP) concept. This research was experimented at a test area in a multinational electronics company. TFL was applied to a jop shop and its production results; output, lead time, yield and WIP were recorded During the production, TFL succeeded in reducing both lead times and WIP inventory levels in this area, while maintaining a high level of output and yield. However, the operators and the supervisors resisted the adoption 4 the TFL in the company Wide.