AS 2089-2008

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