Identifying Useful Differences in a Multiple-Head Machine

Article

Ott, Ellis R.; Snee, Ronald D.   (1973, ASQC)   Rutgers University, New Brunswick, NJ; E. I. du Pont de Nemours & Co., Inc., Wilmington, DE

Journal of Quality Technology    Vol. 5    No. 2
QICID: 5135    April 1973    pp. 47-57
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Article Abstract

Many industrial processes include a circular multiple-head machine which runs continuously and which permits a variety of adjustments to the parts of the machine. This paper illustrates several methods for investigating various types of differences by examining filling weight data from a machine which has 24 heads. Differences in both the average and variation of filling weights are identified.

Keywords

Analysis Of Means (ANOM),Data analysis,X-bar and R control charts,Process control


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