AS/NZS 4968.3:2011
Heavy road vehicles - Mechanical coupling between articulated vehicle combinations - Part 3: Kingpins and associated equipment
Specifies requirements for 50 mm, 75mm and 90 mm kingpins for semi-trailers used in articulated vehicles, B-doubles and road trains, in normal use on both sealed and unsealed roads.
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AS/NZS 4968.3:2011 HEAVY ROAD VEHICLES-MECHANICAL COUPLING BETWEEN ARTICULATED VEHICLE COMBINATIONS - KINGPINS AND...
PREFACE
CONTENTS
1 SCOPE
2 REFERENCED DOCUMENTS
3 DEFINITIONS
3.1 Boundary conditions
3.2 Design case
3.3 Endurance limit (also known as ‚fatigue limit™)
3.4 Finite element analysis (FEA)
3.5 Kingpin
3.6 Load case
3.7 Material test
3.8 Node
3.9 Kingpin retention plate
3.10 Shall
3.11 Should
3.12 Skid plate
3.13 Skid plate locking key
3.14 Ultimate tensile strength (UTS)
3.15 von Mises stress
4 SKID PLATE
4.1 Design
4.2 Material
4.3 Installation
4.4 Flatness
4.5 Attachment
4.6 Attachment of skid plate locking key
5 KINGPIN ATTACHMENT
5.1 Strength of attachment
5.2 Kingpin protrusion
6 RATING
6.1 General
6.2 D-rated kingpins-Dynamic test
6.3 M-rated kingpins
6.3.1 Material strength
6.3.2 Hardness
7 SELECTION
8 MATERIALS
8.1 General
8.2 Calculation of carbon equivalent
9 RECOMMENDED WEAR LIMITS
10 DIMENSIONS
10.1 General
10.2 Bolt-in kingpins
10.3 Weld-in kingpins
APPENDIX A - DYNAMIC TEST METHOD FOR D-RATED KINGPINS
A1 INTRODUCTION
A2 PRINCIPLE
A3 APPARATUS
A4 PROCEDURE
A4.1 Inspection before testing
A4.2 Installation of kingpin
A4.3 Dynamic test load
A4.4 Inspection after testing
A5 REPORT
APPENDIX B - DETERMINATION OF THE DYNAMIC STRENGTH OF D-RATED KINGPINS USING FINITE ELEMENT ANALYSIS
B1 INTRODUCTION
B2 FEA MODEL REQUIREMENTS
B2.1 FEA model description
B2.2 Material
B2.3 Limits
B2.4 Codes
B3 VALIDATION
B4 STRESS ANALYSIS AND ENDURANCE LIMIT
B4.1 Stress analysis
B4.2 Steady state test endurance limit
B5 REPORT
APPENDIX C - GUIDELINES FOR THE ATTACHMENT OF KINGPIN TO SKID PLATE
C1 SCOPE
C2 STRENGTH OF ATTACHMENT
C3 METHODS OF ATTACHMENT
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AS/NZS 4968.3:2011 HEAVY ROAD VEHICLES-MECHANICAL COUPLING BETWEEN ARTICULATED VEHICLE COMBINATIONS - KINGPINS AND...
PREFACE
CONTENTS
1 SCOPE
2 REFERENCED DOCUMENTS
3 DEFINITIONS
3.1 Boundary conditions
3.2 Design case
3.3 Endurance limit (also known as ‚fatigue limit™)
3.4 Finite element analysis (FEA)
3.5 Kingpin
3.6 Load case
3.7 Material test
3.8 Node
3.9 Kingpin retention plate
3.10 Shall
3.11 Should
3.12 Skid plate
3.13 Skid plate locking key
3.14 Ultimate tensile strength (UTS)
3.15 von Mises stress
4 SKID PLATE
4.1 Design
4.2 Material
4.3 Installation
4.4 Flatness
4.5 Attachment
4.6 Attachment of skid plate locking key
5 KINGPIN ATTACHMENT
5.1 Strength of attachment
5.2 Kingpin protrusion
6 RATING
6.1 General
6.2 D-rated kingpins-Dynamic test
6.3 M-rated kingpins
6.3.1 Material strength
6.3.2 Hardness
7 SELECTION
8 MATERIALS
8.1 General
8.2 Calculation of carbon equivalent
9 RECOMMENDED WEAR LIMITS
10 DIMENSIONS
10.1 General
10.2 Bolt-in kingpins
10.3 Weld-in kingpins
APPENDIX A - DYNAMIC TEST METHOD FOR D-RATED KINGPINS
A1 INTRODUCTION
A2 PRINCIPLE
A3 APPARATUS
A4 PROCEDURE
A4.1 Inspection before testing
A4.2 Installation of kingpin
A4.3 Dynamic test load
A4.4 Inspection after testing
A5 REPORT
APPENDIX B - DETERMINATION OF THE DYNAMIC STRENGTH OF D-RATED KINGPINS USING FINITE ELEMENT ANALYSIS
B1 INTRODUCTION
B2 FEA MODEL REQUIREMENTS
B2.1 FEA model description
B2.2 Material
B2.3 Limits
B2.4 Codes
B3 VALIDATION
B4 STRESS ANALYSIS AND ENDURANCE LIMIT
B4.1 Stress analysis
B4.2 Steady state test endurance limit
B5 REPORT
APPENDIX C - GUIDELINES FOR THE ATTACHMENT OF KINGPIN TO SKID PLATE
C1 SCOPE
C2 STRENGTH OF ATTACHMENT
C3 METHODS OF ATTACHMENT
Previous versions
AS/NZS 4968.3:2011
Online Library subscription pricing
The cost of your subscription will depend on which standards you want to access, and how many people in your organisation need to be able to access the Online Library subscription at the same time (concurrent users). During your subscription period, we are also able to make any necessary changes and ensure you are aware of any pricing changes that result. For a quote, contact our Online Library team by emailing onlinelibrary@standards.govt.nz.