1 - AS 2089-2008 SHEAVE BLOCKS FOR LIFTING PURPOSES
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE
6 - 2 REFERENCED DOCUMENTS
7 - 3 DEFINITIONS
7 - 3.1 Competent person
7 - 3.2 Fall of rope
7 - 3.3 Part of rope (fall of rope)
7 - 3.4 Self-coloured
7 - 3.5 Shall
7 - 3.6 Should
7 - 3.7 Sheave block
8 - 3.8 Working load limit (WLL)
8 - 3.9 Nominal size of sheaves and sheave blocks
8 - 3.10 Operation of sheave blocks
8 - 3.10.1 Manual operation
8 - 3.10.2 Power operation
8 - 3.11 Types of sheave block (see Figure 4)
8 - 3.11.1 Lead block
8 - 3.11.2 Snatch block
8 - 3.12 Components of sheave blocks (see Figure 5)
8 - 3.12.1 Axle
8 - 3.12.2 Bearing
8 - 3.12.3 Becket
8 - 3.12.4 Block shell
8 - 3.12.5 Crosshead
8 - 3.12.6 Head fitting
9 - 3.12.7 Identification plate or marking
9 - 3.12.8 Partition plate
9 - 3.12.9 Side plate
9 - 3.12.10 Side strap
9 - 3.12.11 Sheave
12 - 4 MATERIALS
12 - 4.1 Steel sections, plates, forgings and cast steels
12 - 4.2 Castings
12 - 4.3 Other materials
14 - 4.4 Bearings
14 - 4.5 Bolts, nuts and accessories
16 - 5 DESIGN AND MANUFACTURE
16 - 5.1 Loadings
16 - 5.2 Permissible working stresses
16 - 5.2.1 Heat treatment
17 - 5.2.2 Bending stresses in axles
17 - 5.2.3 Shear stress in axles and through-bolts
17 - 5.2.4 Bearing pressure on axles
17 - 5.2.5 Static bearing pressure
17 - 5.2.6 Tensile stress in screwed shanks of head fittings
18 - 5.2.7 Stresses in straps
18 - 5.2.8 Shear stress in straps
18 - 5.3 Side and partition plates (rope retention)
19 - 5.4 Hinged side straps
19 - 5.5 Rotating side plates
19 - 5.6 Sheaves
19 - 5.6.1 Manufacture
19 - 5.6.2 Diameter
19 - 5.6.3 Rope groove
20 - 5.7 Head fittings
20 - 5.7.1 Forged head fittings
20 - 5.7.2 Crosshead, hanger straps, eyes, and similar head fittings
21 - 5.7.3 Swivel head fittings
21 - 5.8 Screw threads
21 - 5.9 Axle
21 - 5.10 Beckets
21 - 5.11 Nut locking
22 - 5.12 Finish
22 - 5.13 Surface finish
22 - 5.14 Lubrication
22 - 5.15 Other standards
22 - 6 MECHANICAL PROPERTIES
22 - 6.1 Strength
22 - 6.2 Rotation
22 - 7 MARKING
23 - 8 TESTING OF MECHANICAL PROPERTIES
24 - 9 PROOF TESTING
24 - 9.1 Proof loading
24 - 9.2 Requirements
24 - 9.3 Test certificate
25 - APPENDIX A - INFORMATION THAT SHOULD BE SUPPLIED WITH ENQUIRIES AND ORDERS
25 - A1 BASIC INFORMATION
25 - A2 ADDITIONAL INFORMATION
26 - APPENDIX B - STANDARDS FOR COMPONENTS USED IN LIFTING SYSTEMS
27 - APPENDIX C - CARE AND USE
27 - C1 STORAGE
27 - C2 USE
28 - APPENDIX D - NON-LIFTING APPLICATIONS USING STEEL WIRE ROPE
29 - APPENDIX E - DETERMINATION OF WORKING LOAD LIMIT
30 - APPENDIX F - DESIGN OF SHEAVES
33 - APPENDIX G - OTHER STANDARDS RELEVANT TO THE DESIGN AND MANUFACTURE OF SHEAVE BLOCKS
35 - APPENDIX H - CONDITIONS FOR APPLICATION OF TEST FORCES
36 - APPENDIX I - MEANS FOR DEMONSTRATING COMPLIANCE WITH THIS STANDARD
36 - I1 SCOPE
36 - I2 STATISTICAL SAMPLING
36 - I3 PRODUCT CERTIFICATION
37 - I4 SUPPLIERS QUALITY MANAGEMENT SYSTEM
37 - I5 OTHER MEANS OF ASSESSMENT