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서지반출
국내 라셀기의 성능향상을 위한 니들과 가이드 구동장치 가상 시제품 개발
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  • 국내 라셀기의 성능향상을 위한 니들과 가이드 구동장치 가상 시제품 개발
  • Development of Virtual Prototype of High Performance Needle and Guide Driving Unit for Domestic Raschel Machines
저자명
송석,김영규,Song. Suk,Kim. Young Gyu
간행물명
韓國纖維工學會誌
권/호정보
2005년|42권 2호|pp.65-70 (6 pages)
발행정보
한국섬유공학회
파일정보
정기간행물|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

We have designed a new driving mechanism of the raschel machine for industrial fabrics using the eccentric earn. Domestic raschel machines for industrial fabrics have low productivity and high level of noise and vibration because it uses the pot earn in the main driving mechanism. The goal of this research is to reduce the noise and vibration, and to enhance the productivity of the domestic raschel machine. Three dimensional modeling of the parts was carried out by using MDT (mechanical desktop), and kinematic analysis has been implemented to design the new needle driving and the guide driving mechanisms using the Visual Nastran program. To estimate the safety of the principal parts of the mechanisms, finite element analysis (FEA) has been conducted by using Visual Nastran program. As the result of FEA, the newly designed needle driving and guide driving units is estimated safe under actual driving. Consequently, we have developed a virtual prototype of the needle driving and guide driving units of the raschel machine for industrial fabrics which increase the productivity remarkably and reduce the noise and vibration. Moreover, the results show that the needle dwells for $190^{circ}$ at the uppermost position, and the guide performs shogging operation for $160^{circ}$. This motion has the effect of enhancing the stability of loop formation during knitting operation by speeding up the shogging motion of the guide bar of the domestic raschel machine for industrial fabrics.