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논문 기본 정보

자료유형
학술저널
저자정보
정도관 (동양미래대학교) 박진성 (동양미래대학교) 김기훈 (동양미래대학교)
저널정보
Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Vol.36 No.9
발행연도
2019.9
수록면
783 - 791 (9page)
DOI
10.7736/KSPE.2019.36.9.783

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초록· 키워드

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CFRP (Carbon fiber reinforced plastic) has been widely used in different industries such as aerospace, automobile, sports and medical. Laser processing of CFRP has a great potential for industrial applications. In this paper researched the micro cutting and drilling of CFRP with 0.5 mm thickness using 1064 nm ytterbium nanosecond pulsed fiber laser. It also investigated machining characteristics of micro cutting and drilling according to laser power, frequency, scan speed and number of scan (or irradiation). Complete cutting and through-hole drilling were achieved with low frequency when the laser power was low and with low and middle frequency when the laser power increased. However, those were not achieved a frequency of 100 kHz. The cutting width increased when the power increased and decreased when the frequency and the scan speed increased. The hole size increased when the power and the number of irradiation increased and decreased when the frequency increased. In the case of micro hole array, the hole was blocked during the next hole machining when the hole spacing was narrow. The resin was melted by the heat thus blocking the pre-drilled hole. We devised the laser scan method, and the micro hole array with narrow hole spacing was fabricated successfully.

목차

1. 서론
2. 실험장치
3. 레이저 가공조건에 따른 미세 절단 가공
4. 레이저 가공조건에 따른 미세 구멍 가공
5. 미세 구멍열(Micro Hole Array) 가공
6. 결론
REFERENCES

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UCI(KEPA) : I410-ECN-0101-2019-555-000968217