ДСТУ ISO 7870-2:2016 Статистичний контроль. Карти контрольні. Частина 2. Карти Шухарта (ISO 7870-2:2013, IDT)

ПІДТВЕРДЖУВАЛЬНЕ ПОВІДОМЛЕННЯ

Державне підприємство «Український науково-дослідний і навчальний центр
проблем стандартизації, сертифікації та якості»
(   
(ДП «УкрНДНЦ»))

Наказ від 11.08.2016 № 236

ISO 7870-2:2013

Control charts — Part 2: Shewhart control charts

прийнято як національний стандарт
методом «підтвердження» за позначенням
 

ДСТУ ISO 7870-2:2016
(ISO 7870-2:2013, IDT)

Статистичний контроль. Карти контрольні. Частина 2. Карти Шухарта

З наданням чинності від 2016–09–01

Contents

Foreword

Introduction

1 Scope

2 Normative references

3 Terms, definitions and symbols

3.1 General

3.2 Symbols

4 Nature of Shewhart control charts

5 Types of control charts

5.1 Control charts where no pre-specified values are given

5.2 Control charts with respect to given pre-specified values

5.3 Types of variables and attributes control charts

6 Variables control charts

6.1 Mean ( X ) chart and range (R) chart or mean ( X ) chart and standard deviation (s) chart

6.2 Control chart for individuals (X) and control chart for moving ranges (Rm)

6.3 Control charts for medians (X)..

7 Control procedure and interpretation for variables control charts

7.1 Collect preliminary data

7.2 Examine the s (or R) chart

7.3 Remove assignable causes and revise the chart

7.4 Examine the X chart

7.5 Ongoing monitoring of process

8 Pattern tests for assignable causes of variation

9 Process control, process capability, and process improvement

10 Attributes control charts

11 Preliminary considerations before starting a control chart

11.1 Choice of critical to quality (CTQ) characteristics describing the process to control

11.2 Analysis of the process

11.3 Choice of rational subgroups

11.4 Frequency and size of subgroups

11.5 Preliminary data collection

11.6 Out of control action plan

12 Steps in the construction of control charts

12.1 Determine data collection strategy

12.2 Data collection and computation

12.3 Plotting X chart and R chart

13 Caution with Shewhart control charts

13.1 General caution

13.2 Correlated data

13.3 Use of alternative rule to the three-sigma rule

Annex A (informative) Illustrative examples

A.1 Variables control charts

A.2 Attributes control charts

A.3 Variables control charts

A.4 Attributes Control Charts

Annex B (informative)   Practical notices on the pattern tests for assignable causes of variation

Bibliography