About: Statistical Control of a Process Subject to Tool Wear

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Many production processes are subject to tool wear. In this case, the process mean changes systematically and an upward or a downward trend is observed in the control chart. Such processes must be regularly adjusted. When samples are taken from highly capable processes, the within-sample variability is considerably less than the allowable variability given by the specification limits. If the classical Shewhart control chart is used, some points may lie outside control limits giving a signal that an assignable cause exists. Elimination of this special cause is not feasible from an economic point of view and the cutting tool is not replaced as long as the output remains within the specifications. In this case modified control limits or acceptance control charts can be used. A further refinement is to model the trend and control for assignable causes that might change the trend. The approach is applied to the manufacturing process in the automotive sector, namely to machining stoppers used in automotive transmission systems. The modified and regression charts are designed based on the retrospective analysis and a change of the actual process setup allowing to prolong the tool's operational life is recommended. Many production processes are subject to tool wear. In this case, the process mean changes systematically and an upward or a downward trend is observed in the control chart. Such processes must be regularly adjusted. When samples are taken from highly capable processes, the within-sample variability is considerably less than the allowable variability given by the specification limits. If the classical Shewhart control chart is used, some points may lie outside control limits giving a signal that an assignable cause exists. Elimination of this special cause is not feasible from an economic point of view and the cutting tool is not replaced as long as the output remains within the specifications. In this case modified control limits or acceptance control charts can be used. A further refinement is to model the trend and control for assignable causes that might change the trend. The approach is applied to the manufacturing process in the automotive sector, namely to machining stoppers used in automotive transmission systems. The modified and regression charts are designed based on the retrospective analysis and a change of the actual process setup allowing to prolong the tool's operational life is recommended. (en)
Title	Statistical Control of a Process Subject to Tool Wear Statistical Control of a Process Subject to Tool Wear (en)
skos:prefLabel	Statistical Control of a Process Subject to Tool Wear Statistical Control of a Process Subject to Tool Wear (en)
skos:notation	RIV/29142890:_____/14:#0000141!RIV15-MSM-29142890
http://linked.open...avai/riv/aktivita	N
http://linked.open...avai/riv/aktivity	N
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Folta, Martin Jarošová, Eva
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	ŠKODA AUTO VYSOKÁ ŠKOLA o.p.s.
http://linked.open...dnocenehoVysledku	47329
http://linked.open...ai/riv/idVysledku	RIV/29142890:_____/14:#0000141
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	process capability; machining process; regression control chart; modified control chart (en)
http://linked.open.../riv/klicoveSlovo	machining process modified control chart regression control chart process capability
http://linked.open...ontrolniKodProRIV	[06016601A44A]
http://linked.open...v/mistoKonaniAkce	Brno, Czech Republic
http://linked.open...i/riv/mistoVydani	Ostrava, Czech republic
http://linked.open...i/riv/nazevZdroje	METAL 2014: 23rd International Conference on Metallurgy and Materials
http://linked.open...in/vavai/riv/obor	BB
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Jarošová, Eva Folta, Martin
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000350641700242
http://linked.open.../riv/zahajeniAkce	2014-01-01 (xsd:date)
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	TANGER Ltd.
https://schema.org/isbn	978-80-87294-54-3

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