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논문 기본 정보

자료유형
학술저널
저자정보
Axel Lefebure (Seoul National University of Science & Technology) Seeun Kim (Seoul National University of Science & Technology) Yunseo Kang (Seoul National University of Science & Technology) Hajin Park (Seoul National University of Science & Technology) Jumi Lee (Seoul National University of Science & Technology) Seohee Jang (Seoul National University of Science & Technology) Inho Lee (Seoul National University of Science & Technology) Juhye Shin (Hansung GT) Chang Soo Lee (Hansung GT) Deuk Kwi Lee (Hansung GT) Young Chang Park (Hansung GT) Jin Hur (Hansung GT) Hyung Jin Kwon (Hansung GT) Dongha Shim (Seoul National University of Science & Technology)
저널정보
한국생산제조학회 한국생산제조학회지 한국생산제조학회지 Vol.30 No.5
발행연도
2021.10
수록면
352 - 358 (7page)
DOI
10.7735/ksmte.2021.30.5.352

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초록· 키워드

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We present an ultrasonic MQL system for generating size-controlled droplets, engaging the requirement of variations in MQL droplet size depending on the used machining process and material. The proposed system architecture features four series chambers with a different vibrating mesh actuator; it demonstrates that a wide range of material- and machining process-specific lubrication requirements can be achieved by varying the mist atomization rate and droplet diameter. The vibrating-mesh outlet pore sizes were differentiated between 2 to 20 μm and driven by a 100 V peak-to-peak bipolar sinusoidal voltage. The oil with a kinematic viscosity of 8.9 cSt contacted the atomizing surface using an FLDC-configuration. Four-size mists were generated with mean volumetric droplet diameters of 19.1, 21.7, 39.0 and 48.3 μm; their atomization rates vary between 1.3 to 39.4 ml/h. The droplet size control must provide more flexibility for emerging ultrasonic MQL systems with improved lubrication and optimized machine-working performance.

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ABSTRACT
1. Introduction
2. Design and specification
3. Measurement procedures
4. Measurements results
5. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2021-003-002092054