Development of a novel MR clutch featuring tooth-shaped disc

Author affiliations

Authors

  • Quoc Hung Nguyen Faculty of Engineering, Vietnamese-German University, Binh Duong, Vietnam https://orcid.org/0000-0002-4922-4190
  • Bao Tri Diep Faculty of Mechanical Engineering, Industrial University of Ho Chi Minh City, Vietnam https://orcid.org/0000-0003-0395-1963
  • Duy Hung Nguyen Faculty of Engineering, Vietnamese-German University, Binh Duong, Vietnam
  • Van Bien Nguyen Faculty of Mechanical Engineering, Industrial University of Ho Chi Minh City, Vietnam https://orcid.org/0000-0001-8751-8758
  • Van Bo Vu Faculty of Mechanical Engineering, Industrial University of Ho Chi Minh City, Vietnam
  • Qui Duyen Do Faculty of Engineering, Vietnamese-German University, Binh Duong, Vietnam https://orcid.org/0000-0003-1302-8857

DOI:

https://doi.org/10.15625/0866-7136/15879

Keywords:

magnetorheological fluid (MRF), MR clutch, tooth-shaped rotor, optimal design

Abstract

In this research, we focus on development of a new configuration of magneto-rheological fluid (MRF) based clutch (MRC) featuring a tooth-shaped disc with multiple teeth acting as multiple magnetic poles of the clutch. The tooth-shaped disc is placed in a clutch housing composed of the left housing and the right housing. The inner face the housing also has tooth shaped features mating with the teeth of the disc through the working MRF. Excitation coils are placed directly on stationary winding cores placed on both side of the clutch housing. An air gap of 0.3 mm is left between the housing and the winding cores to ensure the housing can freely rotate against the winding cores. After the introductory part, configuration of the MRC is introduced and the transmitted torque of the MRC is derived. An optimization process to minimize the overall volume of the proposed clutch, which can generate a required maximum braking torque, is then conducted. The optimal results show that the overall volume of the proposed MRC is significantly reduced compared to a referenced conventional MRC (0.159 m3 vs. 0.295 m3). A prototype of the proposed MRC is fabricated for experimental works and good agreement between the experimental results and simulated ones is archived.

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References

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Published

30-09-2021

Issue

Vol. 43 No. 3 (2021)

Section

Research Article

License

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This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

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