{"id":443646,"date":"2024-10-20T08:33:58","date_gmt":"2024-10-20T08:33:58","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/asme-bth-1-2023\/"},"modified":"2024-10-26T16:00:22","modified_gmt":"2024-10-26T16:00:22","slug":"asme-bth-1-2023","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/asme\/asme-bth-1-2023\/","title":{"rendered":"ASME BTH 1 2023"},"content":{"rendered":"

This Standard sets forth design criteria for ASME B30.20, Below-the-Hook Lifting Devices. This Standard serves as a guide to designers, manufacturers, purchasers, and users of below-the-hook lifting devices.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
4<\/td>\nCONTENTS <\/td>\n<\/tr>\n
6<\/td>\nFOREWORD <\/td>\n<\/tr>\n
7<\/td>\nASME BTH STANDARDS COMMITTEE ROSTER <\/td>\n<\/tr>\n
8<\/td>\nCORRESPONDENCE WITH THE BTH COMMITTEE <\/td>\n<\/tr>\n
9<\/td>\nASME BTH-1\u20132023 SUMMARY OF CHANGES <\/td>\n<\/tr>\n
12<\/td>\nChapter 1 Scope, Definitions, and References
1-1 PURPOSE
1-2 SCOPE
1-3 NEW AND EXISTING LIFTING DEVICES
1-4 GENERAL REQUIREMENTS
1-4.1 Design Responsibility
1-4.2 Units of Measure
1-4.3 Design Criteria
1-4.4 Analysis Methods
1-4.5 Material <\/td>\n<\/tr>\n
13<\/td>\n1-4.6 Welding
1-4.7 Temperature
1-5 DEFINITIONS
1-5.1 Definitions \u2014 General <\/td>\n<\/tr>\n
14<\/td>\n1-5.2 Definitions for Chapter 3
1-5.3 Definitions for Chapter 4 <\/td>\n<\/tr>\n
15<\/td>\n1-5.4 Definitions for Chapter 5
1-5.5 Definitions for Chapter 6 <\/td>\n<\/tr>\n
16<\/td>\nFigures
Figure 1-5.5-1 Lifting Magnets <\/td>\n<\/tr>\n
17<\/td>\n1-6 SYMBOLS
1-6.1 Symbols for Chapter 3 <\/td>\n<\/tr>\n
19<\/td>\n1-6.2 Symbols for Chapter 4
1-6.3 Symbols for Chapter 6 <\/td>\n<\/tr>\n
20<\/td>\n1-7 REFERENCES <\/td>\n<\/tr>\n
21<\/td>\nChapter 2 Lifting Device Classifications
2-1 GENERAL
2-1.1 Selection
2-1.2 Responsibility
2-1.3 Identification
2-1.4 Environment
2-2 DESIGN CATEGORY
2-2.1 Design Category A
2-2.2 Design Category B
2-2.3 Design Category C
2-3 SERVICE CLASS
Tables
Table 2-3-1 Service Class <\/td>\n<\/tr>\n
22<\/td>\nChapter 3 Structural Design
3-1 GENERAL
3-1.1 Purpose
3-1.2 Loads
3-1.3 Static Design Basis
3-1.4 Fatigue Design Basis
3-1.5 Curved Members
3-1.6 Allowable Stresses
3-1.7 Member Properties <\/td>\n<\/tr>\n
23<\/td>\n3-2 MEMBER DESIGN
3-2.1 Tension Members
3-2.2 Compression Members
3-2.3 Flexural Members <\/td>\n<\/tr>\n
24<\/td>\nTable 3-2.2-1 Limiting Width-Thickness Ratios for Compression Elements <\/td>\n<\/tr>\n
27<\/td>\n3-2.4 Combined Axial and Bending Stresses
3-2.5 Combined Normal and Shear Stresses
3-2.6 Local Buckling
3-3 CONNECTION DESIGN
3-3.1 General <\/td>\n<\/tr>\n
28<\/td>\n3-3.2 Bolted Connections
3-3.3 Pinned Connections <\/td>\n<\/tr>\n
30<\/td>\n3-3.4 Welded Connections <\/td>\n<\/tr>\n
31<\/td>\n3-4 FATIGUE DESIGN
3-4.1 General
3-4.2 Lifting Device Classifications
Table 3-3.4.2-1 Minimum Effective Throat Thickness of Partial-Penetration Groove Welds
Table 3-3.4.3-1 Minimum Sizes of Fillet Welds <\/td>\n<\/tr>\n
32<\/td>\n3-4.3 Allowable Stress Ranges
3-4.4 Stress Categories
3-4.5 Tensile Fatigue in Threaded Fasteners
3-4.6 Cumulative Fatigue Analysis
Table 3-4.3-1 Allowable Stress Ranges, ksi (MPa) <\/td>\n<\/tr>\n
33<\/td>\n3-5 OTHER DESIGN CONSIDERATIONS
3-5.1 Impact Factors
3-5.2 Stress Concentrations
3-5.3 Deflection <\/td>\n<\/tr>\n
34<\/td>\nTable 3-4.4-1 Fatigue Design Parameters <\/td>\n<\/tr>\n
49<\/td>\nChapter 4 Mechanical Design
4-1 GENERAL
4-1.1 Purpose
4-1.2 Relation to Chapter 3
4-2 SHEAVES
4-2.1 Sheave Material
4-2.2 Running Sheaves
4-2.3 Equalizing Sheaves
4-2.4 Shaft Requirement
4-2.5 Lubrication
4-2.6 Sheave Design for Wire Rope
4-2.7 Sheave Design for Synthetic Rope
4-2.8 Sheave Guard
4-3 ROPE
4-3.1 Relation to Other Standards <\/td>\n<\/tr>\n
50<\/td>\n4-3.2 Rope Selection
4-3.3 Environment
4-3.4 Fleet Angle
4-3.5 Rope Ends
4-3.6 Rope Clips
4-4 DRIVE SYSTEMS
4-4.1 Drive Adjustment
4-4.2 Drive Design
4-4.3 Commercial Components
4-4.4 Lubrication
4-4.5 Operator Protection
4-5 GEARING
4-5.1 Gear Design
Figure 4-2.6-1 Sheave Dimensions
Figure 4-2.8-1 Sheave Gap <\/td>\n<\/tr>\n
51<\/td>\n4-5.2 Gear Material
4-5.3 Gear Loading
4-5.4 Relation to Other Standards
4-5.5 Bevel and Worm Gears
4-5.6 Split Gears
4-5.7 Lubrication
4-5.8 Operator Protection
4-5.9 Reducers
4-6 BEARINGS
4-6.1 Bearing Design
4-6.2 L10 Bearing Life
4-6.3 Bearing Loadings
Table 4-5.3-1 Strength Factors for Calculating Load Capacity (American Standard Tooth Forms) <\/td>\n<\/tr>\n
52<\/td>\n4-6.4 Sleeve and Journal Bearings
4-6.5 Lubrication
4-7 SHAFTING
4-7.1 Shaft Design
4-7.2 Shaft Alignment
4-7.3 Operator Protection
4-7.4 Shaft Details
4-7.5 Shaft Static Stress
Table 4-6.2-1 L10 Bearing Life <\/td>\n<\/tr>\n
53<\/td>\n4-7.6 Shaft Fatigue
Table 4-7.5-1 Key Size Versus Shaft Diameter (ASME B17.1)
Table 4-7.5-2 Key Size Versus Shaft Diameter (DIN 6885-1)
Table 4-7.6.1-1 Fatigue Stress Amplification Factors <\/td>\n<\/tr>\n
54<\/td>\n4-7.7 Shaft Displacement
4-8 FASTENERS
4-8.1 Fastener Markings
4-8.2 Fastener Selection
4-8.3 Fastener Stresses
4-8.4 Fastener Integrity
4-8.5 Fastener Installation
4-8.6 Noncritical Fasteners
4-9 GRIP SUPPORT FORCE
4-9.1 Purpose <\/td>\n<\/tr>\n
55<\/td>\n4-9.2 Pressure-Gripping and Indentation Lifting Device Support Force
4-10 VACUUM LIFTING DEVICE DESIGN
4-10.1 Vacuum Pad Capacity
4-10.2 Intended Use Type
Figure 4-9.2-1 Illustration of Holding and Support Forces <\/td>\n<\/tr>\n
56<\/td>\nTable 4-10.2-1 Intended Use Type Summary <\/td>\n<\/tr>\n
57<\/td>\n4-10.3 Vacuum Indicator
4-10.4 Unintended Operation
4-11 FLUID POWER SYSTEMS
4-11.1 Purpose
4-11.2 Fluid Power Components
4-11.3 Power Source\/Supply
4-11.4 Fluid Pressure Indication
4-11.5 Fluid Pressure Control
4-11.6 System Guarding <\/td>\n<\/tr>\n
58<\/td>\nChapter 5 Electrical Design
5-1 GENERAL
5-1.1 Purpose
5-1.2 Relation to Other Standards
5-1.3 Power Requirements
5-2 ELECTRIC MOTORS AND BRAKES
5-2.1 Motors
5-2.2 Motor Sizing
5-2.3 Temperature Rise
5-2.4 Insulation
5-2.5 Brakes
5-2.6 Voltage Rating
5-3 OPERATOR INTERFACE
5-3.1 Locating the Operator Interface
5-3.2 Unintended Operation <\/td>\n<\/tr>\n
59<\/td>\n5-3.3 Operating Levers
5-3.4 Control Circuits
5-3.5 Push Button Type
5-3.6 Push Button Markings
5-3.7 Sensor Protection
5-3.8 Indicators
5-4 CONTROLLERS AND AUXILIARY EQUIPMENT
5-4.1 Control Considerations
5-4.2 Control Location
5-4.3 Control Selection
5-4.4 Magnetic Control Contactors
5-4.5 Static and Inverter Controls
5-4.6 Lifting Magnet Controllers
5-4.7 Rectifiers <\/td>\n<\/tr>\n
60<\/td>\n5-4.8 Electrical Enclosures
5-4.9 Branch Circuit Overcurrent Protection
5-4.10 System Guarding
5-5 GROUNDING
5-5.1 General
5-5.2 Grounding Method
5-6 POWER DISCONNECTS
5-6.1 Disconnect for Powered Lifting Device
5-6.2 Disconnect for Vacuum Lifting Device
5-6.3 Disconnect for Lifting Magnet
5-7 BATTERIES
5-7.1 Battery Condition Indicator
5-7.2 Enclosures
5-7.3 Battery Alarm <\/td>\n<\/tr>\n
61<\/td>\nChapter 6 Lifting Magnet Design
6-1 PURPOSE
6-2 DESIGN REQUIREMENTS
6-2.1 General
6-2.2 Application and Environmental Profile
6-3 SELECTION AND DESIGN
6-3.1 Components
6-3.2 Magnetic Circuit
6-3.3 Effective Magnet Contact Area <\/td>\n<\/tr>\n
62<\/td>\n6-3.4 Flux Source <\/td>\n<\/tr>\n
63<\/td>\n6-3.5 Flux Path
6-3.6 Release Mechanism
6-3.7 Encapsulation Compound
6-3.8 Multiple Lifting Magnet Systems
6-3.9 Environmental Considerations <\/td>\n<\/tr>\n
65<\/td>\nNONMANDATORY APPENDICES
NONMANDATORY APPENDIX A COMMENTARY FOR CHAPTER 1: SCOPE, DEFINITIONS, AND REFERENCES
A-1 PURPOSE
A-2 SCOPE
A-3 NEW AND EXISTING LIFTING DEVICES
A-4 GENERAL REQUIREMENTS <\/td>\n<\/tr>\n
66<\/td>\nA-5 DEFINITIONS <\/td>\n<\/tr>\n
67<\/td>\nA-6 SYMBOLS
A-7 REFERENCES <\/td>\n<\/tr>\n
69<\/td>\nNONMANDATORY APPENDIX B COMMENTARY FOR CHAPTER 2: LIFTING DEVICE CLASSIFICATIONS
B-1 GENERAL
B-2 DESIGN CATEGORY <\/td>\n<\/tr>\n
70<\/td>\nTable B-3-1 Service Class Life
B-3 SERVICE CLASS <\/td>\n<\/tr>\n
71<\/td>\nNONMANDATORY APPENDIX C COMMENTARY FOR CHAPTER 3: STRUCTURAL DESIGN
C-1 GENERAL <\/td>\n<\/tr>\n
72<\/td>\nTable C-1.3-1 Design Category A Static Load Spectrum
Table C-1.3-2 Design Category A Dynamic Load Spectrum
Table C-1.3-3 Design Category B Static Load Spectrum <\/td>\n<\/tr>\n
73<\/td>\nTable C-1.3-4 Design Category B Dynamic Load Spectrum
C-2 MEMBER DESIGN <\/td>\n<\/tr>\n
75<\/td>\nFigure C-2.6-1 Selected Examples of Table 3-2.2-1 Requirements <\/td>\n<\/tr>\n
76<\/td>\nFigure C-3.2-1 Block Shear
C-3 CONNECTION DESIGN <\/td>\n<\/tr>\n
77<\/td>\nFigure C-3.3.1-1 Pin-Connected Plate Notation
Figure C-3.3.2-1 Stiffened Plate Lifting Beam <\/td>\n<\/tr>\n
78<\/td>\nC-4 FATIGUE DESIGN <\/td>\n<\/tr>\n
79<\/td>\nC-5 OTHER DESIGN CONSIDERATIONS <\/td>\n<\/tr>\n
80<\/td>\nNONMANDATORY APPENDIX D COMMENTARY FOR CHAPTER 4: MECHANICAL DESIGN
D-1 GENERAL
D-2 SHEAVES <\/td>\n<\/tr>\n
81<\/td>\nD-3 ROPE
D-4 DRIVE SYSTEMS
D-5 GEARING <\/td>\n<\/tr>\n
82<\/td>\nD-6 BEARINGS
D-7 SHAFTING
D-8 FASTENERS
D-9 GRIP SUPPORT FORCE
D-10 VACUUM LIFTING DEVICE DESIGN <\/td>\n<\/tr>\n
83<\/td>\nD-11 FLUID POWER SYSTEMS <\/td>\n<\/tr>\n
84<\/td>\nNONMANDATORY APPENDIX E COMMENTARY FOR CHAPTER 5: ELECTRICAL DESIGN
E-1 GENERAL
E-2 ELECTRIC MOTORS AND BRAKES
E-3 OPERATOR INTERFACE <\/td>\n<\/tr>\n
85<\/td>\nE-4 CONTROLLERS AND AUXILIARY EQUIPMENT
E-5 GROUNDING <\/td>\n<\/tr>\n
86<\/td>\nNONMANDATORY APPENDIX F COMMENTARY FOR CHAPTER 6: LIFTING MAGNET DESIGN
F-3 SELECTION AND DESIGN <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

ASME BTH-1-2023 Design of Below-the-Hook Lifting Devices<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
ASME<\/b><\/a><\/td>\n2023<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":443655,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2643],"product_tag":[],"class_list":{"0":"post-443646","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-asme","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/443646","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/443655"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=443646"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=443646"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=443646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}