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논문 기본 정보

자료유형
학술저널
저자정보
Fuxiang Hao (Xi’an University of Technology) Anle Mu (Xi’an University of Technology)
저널정보
한국자기학회 Journal of Magnetics Journal of Magnetics Vol.27 No.3
발행연도
2022.9
수록면
278 - 285 (8page)
DOI
10.4283/JMAG.2022.27.3.278

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초록· 키워드

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In order to solve the leakage problem of the engineering mechanical hydraulic cylinder, a magnetorheological fluid (MRF) seal structure with a multistage source is designed. The magnetic field in the gap of the sealing structure is analyzed by ANSYS finite element analysis method, the influence about the number of magnetic sources and the length of pole teeth on the pressure capability of the MRF seal is studied, and the results are analyzed. The results show that the suitable number of magnetic sources is 10; The length of the pole teeth with the best magnetic concentrating effect is 0.7 mm. Then, the influence of the MRF injection volume, reciprocating speed, reciprocating distance and holding pressure time of the hydraulic cylinder on the MRF sealing pressure capability is studied. The experimental results show that the maximum pressure capacity can be achieved when the MRF injection volume is 12 ml. With the increase of reciprocating speed, the pressure capability of the MRF seal decreases obviously. With the increase of reciprocating distance and holding time, the sealing pressure capability has no obvious change. Through the finite element analysis and experimental study of the MRF seal, it is of great significance to develop a device with high sealing performance suitable for the hydraulic cylinders.

목차

1. Introduction
2. Theoretical Research
3. Structure Design of MRF Reciprocating Seal with Muti-stage Magnetic Sources
4. Finite Element Analysis and Discussion of Results
5. Experimental Study on MRF Seal of Hydraulic Cylinder
6. Conclusion
References

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