Journal
INTERNATIONAL JOURNAL OF PRODUCTION RESEARCH
Volume 44, Issue 11, Pages 2221-2243Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00207540500446360
Keywords
process capability analysis; multi-process product; quality and time-cost analysis chart; control chart
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Product quality, manufacturing cost and manufacturing time are three of the major concerns in a manufacturing system. This study proposes a product capability index to evaluate the quality of a multi-process product and addresses the relationship between process yield and the product capability index. In addition, this paper develops a time - cost index to assess manufacturing cost and manufacturing time. The quality index and time - cost index are simultaneously used to monitor product quality and manufacturing time on a quality and time - cost analysis chart. The quality and time - cost analysis chart, providing accurate information on the quality status and time - cost status for each process, helps to initiate, effectively and efficiently, quality improvement plans to elevate product quality and manufacturing time and manufacturing cost control for a manufacturing system.
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