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AS 2193-1978

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Methods for calibration and grading of force-measuring systems of testing machines
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

30-06-2017

Language(s)

English

Published date

01-01-1978

Preview

1 - AS 2193-1978 METHODS FOR THE CALIBRATION AND GRADING OF FORCE-MEASURING SYSTEMS OF TESTING MACHINES
4 - PREFACE
5 - CONTENTS
7 - FOREWORD
8 - SECTION 1. SCOPE, APPLICATION AND DEFINITIONS
8 - 1.1 SCOPE.
8 - 1.2 APPLICATION.
8 - 1.3 DEFINITIONS.
8 - 1.3.1 Terms Relating to Testing Machines.
10 - 1.3.2 Terms Relating to Calibrating Devices.
11 - 1.4 PRINCIPLE OF CALIBRATION OF THE FORCE-MEASURING SYSTEMS OF TESTING MACHINES.
12 - SECTION 2. REQUIREMENTS FOR THE GRADING OF TESTING MACHINES
12 - 2.1 SCOPE OF SECTION.
12 - 2.2 REQUIREMENTS FOR GRADING.
12 - 2.3 ASSESSMENT OF CALIBRATION.
12 - 2.4 ASSIGNMENT OF A GRADE.
14 - SECTION 3. CALIBRATION OF FORCE-MEASURING SYSTEMS OF TESTING MACHINES
14 - 3.1 SCOPE OF SECTION.
14 - 3.2 METHODS OF FORCE CALIBRATION.
14 - 3.2.1 General.
14 - 3.2.2 Calibration by Weights.
15 - 3.2.3 Calibration by Calibrating Levers.
15 - 3.2.4 Calibration by Elastic Calibrating Devices.
16 - 3.3 FORCE-CALIBRATION PROCEDURE.
16 - 3.3.1 General.
16 - 3. 3.2 Calibration Range.
16 - 3.3.3 Preliminary Inspection.
16 - 3.3.4 Setting Up.
17 - 3.3.5 Application of Forces.
18 - 3.3.6 Number of Readings.
19 - 3.4 ASSESSMENT OF RESULTS OF FORCE CALIBRATION.
19 - 3.4.1 Corrections to Readings.
19 - 3.4.2 Assessment of Readability of Indicated Force.
19 - 3.4.3 Assessment of Repeatability of Indicated Force.
19 - 3.4.4 Assessment of Accuracy of Indicated Force.
20 - 3.5 GRADING OF FORCE SCALE.
20 - 3.5.1 General.
20 - 3.5.2 Single Range Machines.
20 - 3.5.3 Multirange Machines.
20 - 3.5.4 Machines Which Indicate at Discrete Values of Force.
20 - 3.6 RECORD OF TEST RESULTS.
20 - 3.7 REPORT OF CALIBRATION.
21 - 3.8 TIME INTERVAL BETWEEN CALIBRATIONS.
22 - 3.9 CORRECTIONS FOR ELASTIC CALIBRATING DEVICES.
22 - 3.9.1 Correction for Variation of No-load Reading.
22 - 3.9.2 Correction for Temperature.
24 - SECTION 4. CALIBRATING DEVICES
24 - 4.1 SCOPE OF SECTION.
24 - 4.2 WEIGHTS.
24 - 4.2.1 General Requirements for Weights.
24 - 4.2.2 Requirements for Grading of Weights.
24 - 4. 2.3 Calibration of Weights.
24 - 4.2.4 Assignment of Grade.
25 - 4.3 CALIBRATING LEVERS.
25 - 4.3.1 General.
25 - 4.3.2 General Requirements for Calibrating Levers.
25 - 4.3.3 Requirements for Grading of Calibrating Levers.
25 - 4.3.4 Calibration of Calibrating Levers.
26 - 4.3.5 Assessment of Results.
26 - 4.3.6 Assignment of Grades.
26 - 4.4 ELASTIC CALIBRATING DEVICES.
26 - 4.4.1 General.
26 - 4.4.2 General Requirements for Elastic Calibrating Devices.
26 - 4.4.3 Requirements for Grading of Elastic Calibrating Devices.
28 - 4.4.4 Calibration of Elastic Calibrating Device.
29 - 4.4.5 Assessment of Results of Calibration for Increasing Forces.
30 - 4.4.6 Assessment of Results of Calibration for Decreasing Forces.
30 - 4.4.7 Assignment of Grades.
31 - 4.5 RECORD OF TEST RESULTS.
31 - 4.6 REPORT OF CALIBRATION.
32 - 4.7 TIME INTERVAL BETWEEN CALIBRATIONS.
33 - APPENDIX A - INFORMATION TO BE SUPPLIED WITH THE ENQUIRY OR ORDER
34 - APPENDIX B - EXPLANATORY NOTES FOR THE CALIBRATION OF MULTIRANGE TESTING MACHINES
36 - APPENDIX C - NOTES ON THE RESPONSE OF THE FORCE-MEASURING SYSTEM OF TESTING MACHINES
37 - APPENDIX D - VALUES OF ACCELERATION DUE TO GRAVITY AT SELECTED LOCALITIES IN AUSTRALIA

Covers static calibration of force-measuring systems. It includes grading requirements and procedures for calibration of machines using calibrating devices. Methods of force calibration using weights, calibrating levers and elastic proving devices are described. Details are specified for the assessment of readability, repeatability, and accuracy of indicated force, the assignment of a grade or grades, and the issue of a report. Notes on the calibration of multirange machines and on the response of the force-measuring system of testing machines, and values of acceleration due to gravity at selected localities in Australia are given in appendices.

This standard specifies requirements for the static calibration of the force-measuring systems of testing machines used for measuring the strength and other properties of materials, components, products and assemblies.The standard deals with the following:Terms, definitions and principle of calibration (Section 1). Grading requirements (Section 2).Procedures for the calibration of force-measuring systems (Section 3). Calibrating devices (Section 4).NOTES:1. Extensometers used in conjunction with tension and compression testing machines are dealt with in AS 1545, Methods for the Calibration and Grading of Extensometers.2. Supplementary information necessary for the calibration is given in Appendix A.

Committee
MT-006
DocumentType
Standard
ISBN
0 7262 1519 8
Pages
30
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

Under Revision see DR 02015

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