Standard
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AS 4812:2023
[Current]Non-destructive examination and discard criteria for wire ropes in mine winding systems
AS 4812:2023 specifies the requirements for non-destructive examination and discard of wire ropes of mine winding systems, including drum winding, friction hoisting, balance, rubbing and guide ropes.
Published: 10/03/2023
Pages: 19
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
2 Non-destructive examination
2.1 Examination
2.1.1 Functions to be addressed
2.1.2 Competency assessments
2.2 Non-destructive testing instruments
2.2.1 Type
2.2.2 Loss of metallic area
2.2.3 Specification
2.2.4 Limitations
2.3 Calibration
2.4 Rope examinations
2.4.1 General
2.4.2 Reference values of new rope
2.4.3 Frequency
2.4.4 Preparation for an examination
2.4.5 Procedure for non-destructive testing
2.4.6 Procedure for visual inspection
2.4.7 Results of examination
2.4.7.1 General
2.4.7.2 Test report
3 Rope discard criteria
3.1 General
3.2 Winding, balance and guide ropes
3.3 Guide ropes and rubbing ropes — additional requirements and recommendations
Appendix A
Appendix B
Appendix C
C.1 Corrosion
C.2 Wear
Cited references in this standard
[Superseded]
Underground mining - Shaft equipment, Part 6: Fixed guides, rope guides and rubbing ropes for conveyances
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