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Research Papers: Applications

Image-Based Movement Analysis of Bearing Cages of Cylindrical Hybrid Roller Bearings

[+] Author and Article Information
Eberhard Abele

Professor
Institute of Production Management,
Technology and Machine Tools,
Technical University of Darmstadt,
Otto-Berndt Str. 2,
Darmstadt 64287, Germany
e-mail: info@ptw.tu-darmstadt.de

Lars Holland

Institute of Production Management,
Technology and Machine Tools,
Technical University of Darmstadt,
Otto-Berndt Str. 2,
Darmstadt 64287, Germany
e-mail: holland@ptw.tu-darmstadt.de

1Corresponding author.

Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received April 5, 2016; final manuscript received February 23, 2017; published online June 14, 2017. Assoc. Editor: Mihai Arghir.

J. Tribol 139(6), 061101 (Jun 14, 2017) (8 pages) Paper No: TRIB-16-1112; doi: 10.1115/1.4036320 History: Received April 05, 2016; Revised February 23, 2017

Movement analyses of bearings focusing on cage motion behavior are often conducted by simulations, typically by investigating the cage whirl. Some experimental studies exist in which a metal cage or a modified one is analyzed with sensors. This paper presents an image-based approach for investigating the cage motion of an injection molded, window-type cage under operation condition. Besides analyses at constant rotational speed, the cage center movement behavior for different accelerations is investigated.

Copyright © 2017 by ASME
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References

Figures

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Fig. 1

Methods of analyzing cage movements [6,8]

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Fig. 3

Possible recording modes

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Fig. 5

Details cage pocket and guide flange

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Fig. 6

Determination of cage edge: (a) original image and (b) detected edge in original image

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Fig. 7

Explanation of test run and triggering procedure

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Fig. 8

Cage whirl for one test run at 6000 rpm and different trigger points

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Fig. 9

Experimental procedure for different speed levels

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Fig. 10

Cage whirl for repeated test runs at 3000 rpm

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Fig. 11

Cage whirl for repeated test runs at 15,000 rpm: whirl orbit (left) and helix view (right)

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Fig. 12

Cage whirl for different rotational speeds

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Fig. 13

Test run profile parameters

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Fig. 14

Cage whirl orbit for shaft speed 6000 rpm: acceleration a1 (a) acceleration a2 (b)

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Fig. 15

Cage whirl for shaft speed 6000 rpm and acceleration a1

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Fig. 16

Cage whirl for shaft speed 6000 rpm and acceleration a2

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