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멀티 루멘 카테터 압출에서 다양한 공정 변수의 영향에 관한 연구

Numerical Study on the Effects of the Manufacturing Parameters for Multi-Lumen Catheter Extrusion

Journal of the Korean Society for Precision Engineering 2020;37(1):17-24.
Published online: January 1, 2020

1 금오공과대학교 기계시스템공학과

2 한국생산기술연구원 메카트로닉스융합기술그룹

1 Department of Mechanical System Engineering, Kumoh National Institute of Technology

2 Mechatronics Technology Convergence R&D Group, Korea Institute of Industrial Technology

#E-mail: euntaek@kumoh.ac.kr, TEL: +82-54-478-7328
• Received: September 30, 2019   • Revised: October 14, 2019   • Accepted: October 22, 2019

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Citations

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  • Study on Improvement of Catheter Tip Forming Process according to Plating Characteristics in Mold
    Han Chang Lee, Jinhyuk Jung, Gyu Ik Lee, Woojin Kim, Gyu Man Kim, Bong Gu Lee
    Journal of the Korean Society for Precision Engineering.2022; 39(9): 711.     CrossRef
  • Development of a Subpath Extrusion Tip and Die for Peripheral Inserted Central Catheter Shaft with Multi Lumen
    Han Chang Lee, Jinhyuk Jeong, Seunggi Jo, Dong Yun Choi, Gyu Man Kim, Woojin Kim
    Polymers.2021; 13(8): 1308.     CrossRef
  • A Study on Die Design Optimization for Microcatheter Extrusion Processes
    Seunggi Jo, Euntaek Lee
    Journal of the Korean Society of Manufacturing Process Engineers.2021; 20(1): 34.     CrossRef

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Numerical Study on the Effects of the Manufacturing Parameters for Multi-Lumen Catheter Extrusion
J. Korean Soc. Precis. Eng.. 2020;37(1):17-24.   Published online January 1, 2020
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Numerical Study on the Effects of the Manufacturing Parameters for Multi-Lumen Catheter Extrusion
J. Korean Soc. Precis. Eng.. 2020;37(1):17-24.   Published online January 1, 2020
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Numerical Study on the Effects of the Manufacturing Parameters for Multi-Lumen Catheter Extrusion
Image Image Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 Schematic diagram of catheter extrusion process
Fig. 2 Cross sectional profile of the target extrudate and optimized die
Fig. 3 Viscosity of PEBAX 4033 as a function of shear rate at temperature 190°C
Fig. 4 Mesh and boundary condition for numerical simulation
Fig. 5 Velocity contour (a) At the end of the die land and (b) Inside the die land, lumens and extrudate
Fig. 6 Extrudate profile and velocity contour for different puller speed (a) 0.05, (b) 0.1, (c) 0.15, and (d) 0.2 m/s
Fig. 7 Circularity of catheter and lumens and major diameter of catheter for different puller speeds
Fig. 8 Extrudate profile for different pressure in lumen 1 (Pink region) (a) 0, (b) 1244, (c) 1866, (d) 2488, and (e) 3110 Pa
Fig. 9 Circularity of catheter and lumens and major diameter of catheter for different pressure in lumen 1
Fig. 10 Extrudate profile for different pressure in lumen 2 (Pink region) (a) 0, (b) 1244, (c) 1866, (d) 2488, and (e) 3110 Pa
Fig. 11 Circularity of catheter and lumens and major diameter of catheter for different pressure in lumen 2
Fig. 12 Extrudate profile for different pressure in lumen 3 (Pink region) (a) 0, (b) 1244, (c) 1866, (d) 2488, and (e) 3110 Pa
Fig. 13 Circularity of catheter and lumens and major diameter of catheter for different pressure in lumen 3
Fig. 14 Comparison of profiles between target (Blue line) and predicted (Black line) extrudate
Numerical Study on the Effects of the Manufacturing Parameters for Multi-Lumen Catheter Extrusion

Parameters of PEBAX 4033 for Bird Carreau model

η (Pa∙s) η0 (Pa∙s) λ (sec) n (-)
8.09 × 10-6 960.84 0.00578 0.296
Table 1 Parameters of PEBAX 4033 for Bird Carreau model