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Journal of Quality Technology
A Quarterly Journal of Methods, Applications and Related Topics
Volume 18, 1986 - Issue 1
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Articles

Process Capability Indices

Victor E. KaneFord Motor Company, Transmission and Chassis Division, P.O. Box 2097 (7) Livonia, MI48150View further author information
Pages 41-52 | Published online: 21 Feb 2018
 
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Abstract

The capability indices Cp, CPU, CPL, k and Cpk are presented and related to process parameters. These indices are shown to form a complementary system of measures of process performance, and can be used with bilateral and unilateral tolerances, with or without target values. A number of Japanese industries currently use the five indices and the U.S. automotive industry has started using these measures in a number of areas. Various applications of the indices are discussed along with statistical sampling considerations.

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Notes on contributors

Victor E. Kane

Dr. Kane is Manager of the Applied Systems Analysis Department within the Transmission and Chassis Division of Ford Motor Company. He is a CQE and a Member of ASQC.

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