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Evaluation of a hybrid cryogenic deburring method to remove uncut fibers on carbon fiber-reinforced plastic composites

  • Ki Moon Park
  • Rendi Kurniawan
  • Zhen Yu
  • Tae Jo KoEmail author
ORIGINAL ARTICLE
  • 33 Downloads

Abstract

This paper presents an evaluation of hybrid cryogenic processes used to eliminate burrs on the exit side of drilled holes in carbon fiber-reinforced plastic composites. These hybrid cryogenic processing methods do not produce environmental hazards and they involve adding a longitudinal ultrasonic motion to the drill cutter and water into a cryogenic environment during the deburring process. There are four methods used for this hybrid cryogenic deburring process: the first method involves ultrasonic vibrations and a cryogenic environment; the second method involves water and a cryogenic environment; the third method involves water, ultrasonic vibrations and a cryogenic environment; and the fourth method involves water, ultrasonic vibrations, a cryogenic environment, and a backup ice layer. The methods were compared in terms of the percentage of removed burrs; the microscopy images of removed burrs are presented in this paper. According to experimental investigations, the fourth method exhibits up to 100% efficiency in removing burrs, followed by the third, the second, and the first method.

Keywords

CFRP (carbon fiber-reinforced plastics) Drilling Uncut Fiber Cryogenic deburring Hybrid method 

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Notes

Funding information

This work was supported by the Technology Innovation Program (10053248, Development of Manufacturing System for CFRP (Carbon Fiber Reinforced Plastics) Machining) funded by the Ministry of Trade, Industry & Energy (MOTIE, Korea).

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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2018

Authors and Affiliations

  • Ki Moon Park
    • 1
  • Rendi Kurniawan
    • 1
  • Zhen Yu
    • 1
  • Tae Jo Ko
    • 1
    Email author
  1. 1.School of Mechanical EngineeringYeungnam UniversityGyeongsan-siSouth Korea

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