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TECHNICAL PAPERS

Statistical Investigation on Resistance Spot Welding Quality Using a Two-State, Sliding-Level Experiment

[+] Author and Article Information
Wei Li

Department of Mechanical Engineering, University of Washington, Seattle, WA 98195-2600

Shaowei Cheng

Institute of Statistical Science, Academia Sinica, Taipei, Taiwan

S. Jack Hu, Justin Shriver

Department of Mechanical Engineering, The University of Michigan, Ann Arbor, MI 48109

J. Manuf. Sci. Eng 123(3), 513-520 (Dec 01, 2000) (8 pages) doi:10.1115/1.1382595 History: Received April 01, 2000; Revised December 01, 2000
Copyright © 2001 by ASME
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References

Figures

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Abnormal process conditions (Poor Cooling and Electrode Wear not shown) (a) Axial Misalignment (b) Angular Misalignment (c) Edge Weld (d) Poor Fitup
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Destructive testing of a spot-welded joint 10
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The significance of the abnormal process conditions
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Levels of welding current
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Linear and quadratic coding of electrode size
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Main effects on the center of the current range
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Main effects on the length of the current range
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Main effects on the button size
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Model selection for the button size
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Predictions under various process conditions
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Significance of the control factors
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Normalized error vs. button size

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