Statistical Control of a Process Subject to Tool Wear

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Statistical Control of a Process Subject to Tool Wear

Popis výsledku v původním jazyce

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 controlcharts 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 use

Název v anglickém jazyce

Statistical Control of a Process Subject to Tool Wear

Popis výsledku anglicky

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 controlcharts 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 use

Druh

D - Stať ve sborníku

CEP obor

BB - Aplikovaná statistika, operační výzkum

OECD FORD obor

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Projekt

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Návaznosti

N - Vyzkumna aktivita podporovana z neverejnych zdroju

Rok uplatnění

2014

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

METAL 2014: 23rd International Conference on Metallurgy and Materials

ISBN

978-80-87294-54-3

ISSN

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e-ISSN

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Počet stran výsledku

8

Strana od-do

1464-1471

Název nakladatele

TANGER Ltd.

Místo vydání

Ostrava, Czech republic

Místo konání akce

Brno, Czech Republic

Datum konání akce

1. 1. 2014

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000350641700242