Fit capability indices and their applications

Fit capability indices and their applications

Current methods for assuring assembly accuracy are mainly based on process capabilities and specification limits of each mating part without considering the interrelationship between the distribution of fit size and those of mating sizes (typically, hole and shaft). If a high assembly accuracy is re...

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Veröffentlicht in:International journal of production research 1996-11, Vol.34 (11), p.3079-3094
Hauptverfasser: ZHANG, Z., FANG‡, X. D.
Format: Artikel
Sprache:eng
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Applied sciences
Exact sciences and technology
Operational research and scientific management
Operational research. Management science
Reliability theory. Replacement problems
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container_issue 11
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container_title International journal of production research
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creator ZHANG, Z.
FANG‡, X. D.
description Current methods for assuring assembly accuracy are mainly based on process capabilities and specification limits of each mating part without considering the interrelationship between the distribution of fit size and those of mating sizes (typically, hole and shaft). If a high assembly accuracy is required, the control of machining processes of mating parts will be very strict and the manufacturing cost will be greatly increased. Aiming at assuring precision assembly accuracy with an acceptable manufacturing cost, a new approach based on fit capability indices for process parameter design and quality improvement is described in this paper. Referring to process capability indices Cp and Cpk, fit capability indices FCp and FCpk are proposed to provide a new measure for estimating the fit property and assembly quality. Typical applications are introduced with detailed case studies.
doi_str_mv 10.1080/00207549608905078
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source EBSCOhost Business Source Complete; Taylor & Francis:Master (3349 titles)
subjects Applied sciences
Exact sciences and technology
Operational research and scientific management
Operational research. Management science
Reliability theory. Replacement problems
title Fit capability indices and their applications
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