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Calculation and verification of rotation angle of a four-axis hotwire cutter for transfer-type variable lamination manufacturing using expandable polystyrene foam

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Abstract

Most rapid prototy** (RP) processes adopt a solid CAD model sliced into thin layers of constant thickness in the building direction. Each cross-sectional layer is successively deposited and, simultaneously, bonded onto the previous layer; eventually the stacked layers form a physical part of the model. A new RP process called the Transfer-type Variable Lamination Manufacturing process using expandable polystyrene foam sheet (VLM-st) has been developed to reduce building time and to improve the surface finish of parts with thick layers and slo** surfaces. The objective of this study is to develop a method for calculating the rotation angles (θ x, θ y ) of a linear hotwire cutter in the three-dimensional space for the VLM-st process using inverse kinematics. The method for calculating the rotation angles (θ x , θ y ) of the four-axis hotwire cutter to VLM-st was applied and verified for a variety of free surface bodies.

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Acknowledgement

The authors would like to acknowledge the financial assistance of the Ministry of Science and Technology.

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Author notes

  1. D. G. Ahn

    Present address: Department of Mechanical Engineering, College of Engineering, Chosun University, 375 Seosuk-dong, Dong-gu, 501-759, Gwang-ju, South Korea

Authors and Affiliations

  1. Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, 373-1, Science Town, 305-701, Daejeon, South Korea

    S. H. Lee, D. G. Ahn & D. Y. Yang

Authors
  1. S. H. Lee
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  2. D. G. Ahn
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  3. D. Y. Yang
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Correspondence to D. Y. Yang.

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Lee, S.H., Ahn, D.G. & Yang, D.Y. Calculation and verification of rotation angle of a four-axis hotwire cutter for transfer-type variable lamination manufacturing using expandable polystyrene foam. Int J Adv Manuf Technol 22, 175–183 (2003). https://doi.org/10.1007/s00170-002-1456-2

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  • DOI: https://doi.org/10.1007/s00170-002-1456-2

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