지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 정원지
- 발행연도
- 2022
- 저작권
- 창원대학교 논문은 저작권에 의해 보호받습니다.
이용수11
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초록· 키워드
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While the need for recycling, and reuse is being emphasized due to the depletion of resources and waste disposal problems caused by the continuous development of the industry, the importance of re-manufacturing has recently increased. Re-manufacturing is a series of processes in which failure disposal or aging goods are recovered to a state close to a new product, and machine tools, which are large structures, can greatly achieve the effect of re-manufacturing. Among the various elements constituting the machine tool, the main spindle portion that affects processing precision is very important. Therefore, this study aims to derive an improvement plan for the main spindle portion of the aging planner miller through a paradoxometer, one of the core processes of re-manufacturing.
First, the resonance risk through vibration analysis was analyzed to check the state of the existing aged spindle, and the reaction force applied to the spindle during processing of the workpiece was obtained through dynamic analysis. Next, the key factors of the spindle that affect displacement and stress when reaction force is applied to the spindle were derived using the experimental experiment.
In addition, an optimization value that minimizes trends, displacements, and stress between key factors was derived using the central composite design and the response optimization tool. After that, reliability was verified through comparison between the derived value and the actual analysis value. Finally, the displacement and stress reduction effects were confirmed by comparing the existing aged spindle portion and the improved spindle portion through the reverse engineering.
First, the resonance risk through vibration analysis was analyzed to check the state of the existing aged spindle, and the reaction force applied to the spindle during processing of the workpiece was obtained through dynamic analysis. Next, the key factors of the spindle that affect displacement and stress when reaction force is applied to the spindle were derived using the experimental experiment.
In addition, an optimization value that minimizes trends, displacements, and stress between key factors was derived using the central composite design and the response optimization tool. After that, reliability was verified through comparison between the derived value and the actual analysis value. Finally, the displacement and stress reduction effects were confirmed by comparing the existing aged spindle portion and the improved spindle portion through the reverse engineering.
목차
목 차 iLIST OF FIGURES ⅲLIST OF TABLES ⅴI. 서 론 11. 연구 배경 12. 연구 동향 23. 연구 목적 및 내용 5II. 노후 플래너밀러 주축 스핀들 형상 분석 71. 주축 스핀들 유한요소모델 구축 72. 주축 스핀들 공진위험성 93. 주축 스핀들 작용 반력 12III. 실험계획법 151. 실험계획법 목적 152. 실험설계 이론 163. 실험설계 18IV. 주축 스핀들 최적 역설계 271. 면 중심합성법 272. 주축 스핀들 역설계 및 검증 35Ⅴ. 결론 및 향후 연구 계획 381. 결론 382. 향후 연구 계획 39참고문헌 40ABSTRACT 44
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