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BS ISO 7870-3:2020

BS ISO 7870-3:2020

$142.49

Control charts – Acceptance control charts

Published By Publication Date Number of Pages
BSI 2020 30
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This document gives guidance on the uses of acceptance control charts and establishes general procedures for determining sample sizes, action limits and decision criteria. An acceptance control chart should be used only when:

  1. the within subgroup variation is in-control and the variation is estimated efficiently;

  2. a high level of process capability has been achieved.

An acceptance control chart is typically used when the process variable under study is normally distributed; however, it can be applied to a non-normal distribution. The examples provided in this document illustrate a variety of circumstances in which this technique has advantages; these examples provide details of the determination of the sample size, the action limits and the decision criteria.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Symbols and abbreviated terms
4.1 Symbols
11 4.2 Abbreviated terms
5 Description of acceptance control chart practice
13 6 Acceptance control of a process
6.1 Plotting the chart
6.2 Interpreting the chart
7 Specifications
14 8 Calculation procedures
8.1 Selection of pairs of elements
8.1.1 Defining elements APL and RPL
17 8.1.2 Defining elements APL, α, β and n
8.2 Frequency of sampling
18 9 Examples
9.1 Example 1 (see also Figures A.3 and A.4)
20 9.2 Example 2 (see also Figure A.5)
21 10 Factors for acceptance control limits
22 11 Modified acceptance control charts
23 Annex A (normative) Nomographs for acceptance control chart design
29 Bibliography

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BS ISO 7870-3:2020
$142.49