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RESEARCH PAPERS

An Introduction of a Novel Friction Drive: Metal Belt Drive With Magnets

[+] Author and Article Information
Shanming Luo1

School of Mechanical Engineering, Hunan University of Science and Technology, Xiangtan, Hunan 411201, P R Chinas.luo@hotmail.com

Yue Wu

School of Engineering, Computer Science and Mathematics, University of Exeter, Exeter, Devon EX4 4QF, UK

Yidao Yu, Shimin Zhu

School of Mechanical Engineering, Hunan University of Science and Technology, Xiangtan, Hunan 411201, P R China

1

Corresponding author.

J. Mech. Des 129(1), 122-127 (Jul 14, 2006) (6 pages) doi:10.1115/1.2359479 History: Received April 06, 2006; Revised July 14, 2006

A novel friction drive—a metal belt drive with magnets (MBDM)—is proposed in this paper, and its structure and principle are introduced. Based on theories of friction drive and electromagnetism, a mechanical model of the MBDM is presented and a Euler formula of this drive is deduced. Finally, several performance parameters of the MBDM are experimentally measured and compared to conventional belt drives. The results show that the MBDM transmits motion and power by using the coupling action between the magnetic attraction and initial tension. The transmission efficiency of the MBDM can reach 9598%, while its elastic creep rate is <0.1% under normal running conditions.

FIGURES IN THIS ARTICLE
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Copyright © 2007 by American Society of Mechanical Engineers
Topics: Metals , Tension , Belts , Creep , Friction
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References

Figures

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Figure 1

Structure and principle of the MBDEM

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Figure 2

Structure and principle of the MBDPM

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Figure 3

Structure of the magnetic pulley

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Figure 4

Structure of the metal belt

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Figure 5

Mechanical model of the MBDM

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Figure 6

Attraction tension of the metal belt

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Figure 7

Simulation results of the linear velocity with respect to the magnetic flux density

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Figure 8

Simulation results of the elastic creep rate with respect to the magnetic flux density

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Figure 9

Diagram of the test method and devices

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Figure 10

Experimental results with B=0.46T, n1=750rpm, F0=3000N

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Figure 11

Experimental results with B=0.85T, n1=1000rpm, F0=2000N

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Figure 12

Experimental results with B=1.21T, n1=1200rpm, F0=1000N

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