Individual Station Monitoring Using Press Tonnage Sensors for Multiple Operation Stamping Processes

[+] Author and Article Information
Jionghua Jin

Department of Systems and Industrial Engineering, The University of Arizona, Tucson, AZ 85721-0020e-mail: judy@sie.arizona.edu

J. Manuf. Sci. Eng 126(1), 83-90 (Mar 18, 2004) (8 pages) doi:10.1115/1.1643749 History: Received June 01, 2003; Online March 18, 2004
Copyright © 2004 by ASME
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Grahic Jump Location
The decomposed individual signals at each working station
Grahic Jump Location
Press tonnage signals at two different punch conditions
Grahic Jump Location
Phase I control limits to check the preliminary in-control data
Grahic Jump Location
Phase II control limits to detect the out-of control condition
Grahic Jump Location
The false alarm rate of the cutoff station
Grahic Jump Location
Analysis framework for multiple-operation stamping process monitoring
Grahic Jump Location
Segmentation of a whole cycle of signals
Grahic Jump Location
Multiple operations in the doorknob stamping process



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