사출공정 품질 개선을 위한 6시그마 프로젝트 사례A Case Study of a Six Sigma Project for Improving Injection Process Quality
- Other Titles
- A Case Study of a Six Sigma Project for Improving Injection Process Quality
- Authors
- 박해종; 이지수
- Issue Date
- 2012
- Publisher
- 한국경영공학회
- Keywords
- Six Sigma Project; DMAIC; Injection Process
- Citation
- 한국경영공학회지, v.17, no.3, pp.149 - 160
- Journal Title
- 한국경영공학회지
- Volume
- 17
- Number
- 3
- Start Page
- 149
- End Page
- 160
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/2655
- ISSN
- 2005-7776
- Abstract
- This paper considers a six sigma project for improving injection molding process quality in a medium-sized mobile phone part company. The project follows the generic steps of a disciplined DMAIC process : define, measure, analyze, improve, and control. Two CTQ(critical to quality)'s are selected by analyzing process map and current status of several productivity measures. Analyzing fourteen key process input variables which are selected using C&E diagram and function deployment matrix, eleven vital few input variables are finally selected. Improvements of the vital few input variables are carried out utilizing brainstorming. As a result of the project, defective proportion and time needed to die change are decreased dramatically.
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