1 Scope
This standard specifies the symbols, classification and designation, requirements, test methods, inspection rules, marking, packaging, transportation and storage of slewing bearing for crane of ship (hereinafter referred to as slewing bearing).
This standard is applicable to the design, manufacture and acceptance of slewing bearing for crane of ship and offshore crane at an ambient temperature not lower than -40°C.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 229 Metallic materials—Charpy pendulum impact test method
GB/T 231.1 Metallic materials—Brinell hardness test—Part 1: Test method
GB/T 308-2002 Rolling bearings—Steel balls
GB/T 1357 Cylindrical gears for general engineering and for heavy engineering—Modules
GB/T 1800.2 Geometrical product specifications (GPS)—Limits and fits—Part 2: Tables of standard tolerance grades and limit deviations for holes and shafts
GB/T 1801 Geometrical product specifications (GPS)—Limits and fits—Selection of tolerance zones and fits
GB/T 3098.1-2000 Mechanical properties of fasteners—Bolts, screws and studs
GB/T 3098.2 Mechanical properties of fasteners—Nuts—Coarse thread
GB/T 4661-2002 Rolling bearings—Cylindrical rollers
GB/T 5617 Determination of effective depth of hardening after induction or flame hardening of steel
GB/T 6402-2008 Steel forgings—Method for ultrasonic testing
GB/T 10095.1-2008 Cylindrical gears—System of accuracy—Part 1: Definitions and allowable values of deviations relevant to corresponding flanks of gear teeth
GB/T 10095.2-2008 Cylindrical gears—System of accuracy—Part 2: Definitions and allowable values of deviations relevant to radial composite deviations and runout information
GB/Z 18620.2 Cylindrical gears—Code of inspection practice—Part 2: Inspection related to radial composite deviations, runout, tooth thickness and backlash
CB/T 773-1998 Technical requirements for structure steel forging
JB/T 5947 Engineering machinery—General technical specifications for packaging
HG/T 2349-1992 Polyamide 1010 resin
HG/T 2811-1996 Rubber material of rotary shaft lip seal ring
3 Symbols
For the purposes of this standard, the symbols listed in Table 1 apply.
Foreword i
1 Scope
2 Normative references
3 Symbols
4 Classification and designation
5 Requirements
6 Test methods
7 Inspection rules
8 Marking, packaging, transportation and storage
Annex A (Informative) Calculation for model selection
Annex B (Informative) Load bearing curves
