Transactions of the Korean Society of Machine Tool Engineers (한국공작기계학회논문집)

The Korean Society of Manufacturing Technology Engineers (한국생산제조학회)
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Development of Back Panel Dies for the Large Size PDP TV

대형 PDP TV후방 판넬 금형 개발

  • 안동규 (조선대학교 기계공학과) ;
  • 김진석 (조선대 일반대학원 기계공학과) ;
  • 한길영 (조선대 기계공학과)
  • Published : 2006.12.15
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Abstract

The objective of this research works is to develop back panel dies of PDP TV with a large size. In order to design the geometry of the dies and an initial size of blank optimally, the finite element analysis has been carried out using AUTOFORM V4.2. The conner radius of the upper trimming area and the distance from the outer line of the blank holder to the outer line of the blank have been selected as design parameters to remove the wrinkling of the trimming area. The results of the analyses have been shown that a feasible product without wrinkles and skid lines can be obtained when the conner radius ranges from 6mm to 8mm and the distance lines in the range of 40-60mm. From the proposed design of the dies and an initial blank size, the final die set of the back panel has been successfully manufactured.

Keywords

References

  1. Ahn, D. G., Jung, D. W., Yang, D. Y. and Lee, J. H, 1995, 'Sectional Forming Analysis of Automobile Sheet Metal Parts by Using Rigid-Plastic Explicit Finite Element Method,' Journal of Korean Society of Automotive Engineers, Vol. 3, No. 3, pp. 19-28
  2. Jung, H. S. and Lee, S. S., 2002, 'Automatic Design Supporting System for Automobile Stamping Tool,' Journal of the Korean Society of Precision Engineering, Vol. 19, No. 8, pp. 194-202
  3. Yang, D. Y., Kim, T. J. and Yoon, S. J., 2003, 'Resent Trend in numerical simulation of 3-D Sheet Forming Process,' Journal of Engineering Manufacture, Vol. 217, pp. 1553-1570 https://doi.org/10.1243/095440503771909935
  4. Suh, E. K., Park, J. H. and Shim, H. B., 1998, 'Contact treatment algorithm of z-map model with vertical walls and its application to the deep drawing of a clover shaped cup,' Journal of the Korean Society of Machine Tool Engineer, Vol. 7, No. 5, pp. 38-45
  5. Hirasawa, K., Dohda, K., Wang, Z. and Yokoyama, N., 2002, 'Optimum Die Profile for Deep Drawing of Thick Plate,' Advanced Technology of Plasticity, Vol. 2, pp. 1099-1104
  6. Ahn, D. G., Lee, S. H., Kim, M. S., Han, G. Y., Kim, J. S., Moon, H. S. and Yoon, Y. S., 2005, 'Investigation into the Development of Deep Drawing Tools with Small Size for Electronic Parts Utilizing the CAE and RP/RT Technology,' Proceedings of 2005 Autumn Annual Meeting for the Korean Society of Precision Engineering, pp. 334-337
  7. Kim, J. B. and Yang, D. Y., 2003, 'Prediction of Wrinkling Initiation in Sheet Metal Forming Process,' Engineering Computations, Vol. 20, No. 1, pp. 6-39 https://doi.org/10.1108/02644400310458810
  8. Ko, H. H., Jung, D. W., Ahn, H. G., Lee, C. H., Ahn, B. I. and Moon, W. S., 2006, 'A Study on Tool Planning for Forming Analysis in REF SILL OTR-R/L Auto Body Panel Stamping Process,' Journal of the Korean Society of Precision Engineering, Vol. 23, No. 3, pp. 118-124
  9. Kim, J. Y. Kim, N. S. and Huh, M. S., 2000, 'Optimum Blank Design of an Automobile Subframe,' Journal of Materials Processing Technology, Vol. 101, pp. 31-43 https://doi.org/10.1016/S0924-0136(99)00436-7
  10. Huang, Y. M. and Chen, T. C., 2005, 'Influence of Blank Profile on the V-die Bending Camber Process of Sheet Metal,' International Journal of Advanced Manufacturing Technology, Vol. 25, pp. 668-677 https://doi.org/10.1007/s00170-003-1888-3
  11. Jung, D. G. and Hwang, J. S., 2005, 'A Study on Developing Stamping Die by Using One-Step Form Method in Auto-Body Panel Stamping Process,' Transaction of the Korean Society of Mechanical Engineers, Vol. 29, No. 2, pp. 350-359 https://doi.org/10.3795/KSME-A.2005.29.2.350
  12. Jung, D. G., Koo, H. H., Lee, C. H. and Yoo, H. Y., 2006, 'Finite Element Analysis of Sheet Metal Forming Process Using Shell Element,' Journal of the Korean Society of Precision Engineering, Vol. 23, No. 1, pp. 152-158