대한기계학회논문집A (Transactions of the Korean Society of Mechanical Engineers A)

  • 제26권9호
  • /
  • Pages.1764-1771
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  • 2002
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  • 1226-4873(pISSN)
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  • 2288-5226(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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편직바늘.캠 시스템의 동역학해석

Dynamic Analysis of the Latch Needle Cam System

  • 발행 : 2002.09.01
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초록

The latch needle cam system of circular knitting machines is analysed using multibody dynamics. A formulation is made to obtain the vertical stiffness between the needle and the cam. By implementing this formulation into the data of the multibody dynamics program, the motion of the needle is described and the forces and impulses between the needle and the cam are obtained.

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참고문헌

  1. Spencer, D. J., 1983, Knitting Technology, Pergamon Press
  2. Knapton, J. J. F., 1966, 'The Dynamics of Weft-Kitting: a Mathematical Analysis,' Textile Research journal, Vol. 36, pp. 706-714 https://doi.org/10.1177/004051756603600804
  3. Oldham, K., Burns, N. D. and Simms, G. J., 1985, 'Non-linear Cams for Weft-knitting Machines,' J Textile Institute., Vol. 76, No. 1, pp. 30-37 https://doi.org/10.1080/00405008508631776
  4. Wray, G. R. and Burns, N. D., 1976, 'Dynamic Forces in Weft-knitting: Part 1, 2 and 3,' J. Textile Institute, Vol. 67, No.5, pp, 149-165 https://doi.org/10.1080/00405007608630558
  5. Wray, G. R. and Burns, N. D., 1978, 'Cam-to-needle Impact Forces in Weft-knitting part XI: the Measurement of Impact-induced Strains in Latch Needles,' J. Textile Institute, Vol. 69, No. 10, pp. 315-320 https://doi.org/10.1080/00405007808658784
  6. MacCarthy, B. L., Sharp, J. M. and Burns, N. D., 1992, 'An Analysis of the Mechanical Forces in Latch Needle Cam Systems,' Journal of Mechanical Engineering Science: Part C, Vol. 206, pp. 129-137 https://doi.org/10.1243/PIME_PROC_1992_206_106_02
  7. Park, J. H., Yoo, H. H., Hwang, Y. and Yang, H. I., 2000, 'Dynamic Analysis of Constrained Multibody Systems undergoing Collision,' Transactions of the KSME, A, Vol. 24, No.2, pp. 535-542
  8. Pereira, M. S. and Nikravesh, P., 1996, 'Impact Dynamics of Multibody Systems with Frictional Contact Using Joint Coordinates and Canonical Equations of Motion,' Nonlinear Dynamics, Vol. 9, pp. 53-71 https://doi.org/10.1007/BF01833293
  9. Wasfy, T. M. and Noor, A. K., 1997, 'Computational Procedure for Simulating the Contact/Impact Response in Flexible Multibody Systems,' Computer Methods in Appl. Mech. Eng., Vol. 147, pp. 153-166 https://doi.org/10.1016/S0045-7825(97)00005-4
  10. Lee, K, 1998, 'A Numerical Method for Dynamic Analysis of Cam-Follower Mechanism Including Impact, Separation and Elastic Deformation,' Transactions of the KSME, A, Vol. 22, No.3, pp. 519-528
  11. Shin, J. H., Kim, J. S. and Ha, K. H., 1997, 'A Study on the Kinetodynamic Analysis for General Disk Cam Driving Slider Mechanisms,' Transactions of the KSME, A, Vol. 21, No. 6, pp. 871-883