JG/T 66-1999 Construction machinery single row ball slewing rings

JJ 36.1-1991作废

GB 4429 HG 2-869 HG 4-329 GB/T 308-2002 Rolling bearings—Steel balls GB/T 308.1-2013 Rolling bearings—Balls—Part 1:Steel balls GB/T 308.2-2010 Rolling bearings—Balls—Part 2:Ceramic balls GB/T 699-1999 Quality carbon structural steels GB/T 699-2015 Quality carbon structure steels GB/T 1299-2000 Alloy tool steels GB/T 1299-2014 Tool and mould steels GB/T 1356-2001 Cylindrical gears for general and heavy engineering—Standard basic rack tooth profile GB/T 3077-1999 Alloy structure steels GB/T 3077-2015 Alloy structure steels GB/T 3098.1-2000 Mechanical properties of fasteners—Bolts, screws and studs GB/T 3098.1-2010 Mechanical properties of fasteners—Bolts,screws and studs GB/T 3098.2-2000 Mechanical properties of fasteners—Nuts—Coarse thread GB/T 3098.2-2015 Mechanical properties of fasteners—Nuts GB/T 3480-1997 Calculation methods of load capacity for involute cylindrical gears GB/T 3480.1-2019 Calculation of load capacity of spur and helical gears—Part 1:Basic principles,introduction and general influence factors GB/T 3480.2-2021 Calculation of load capacity of spur and helical gears—Part 2:Calculation of surface durability(pitting) GB/T 3480.3-2021 Calculation of load capacity of spur and helical gears—Part 3:Calculation of tooth bending strength GB/Z 3480.4-2024 Calculation of load capacity of spur and helical gears—Part 4:Calculation of tooth flank fracture load capacity GB/T 3480.5-2008 Calculation of load capacity of spur and helical gears—Part 5:Strength and quality of materials GB/T 3480.5-2021 Calculation of load capacity of spur and helical gears—Part 5:Strength and quality of materials GB/T 3480.6-2018 Calculation of load capacity of spur and helical gears—Part 6:Calculation of service life under variable load GB/Z 3480.22-2024 Calculation of load capacity of spur and helical gears—Part 22:Calculation of micropitting load capacity GB/T 5782-2000 Hexagon head bolts GB/T 5782-2016 Hexagon head bolts GB/T 6170-2000 Hexagon nuts,style 1 GB/T 6170-2015 Hexagon nuts,style 1 GB/T 6172.1-2000 Hexagon thin nuts(chamfered) GB/T 6172.1-2016 Hexagon thin nuts(chamfered) GB/T 6172.2-2000 Prevailing torque type hexagon thin nuts(with non-metallic insert) GB/T 6172.2-2016 Prevailing torque type hexagon thin nuts(with non-metallic insert) GB/T 6175-2000 Hexagon nuts,style 2 GB/T 6175-2016 Hexagon nuts,style 2 GB/T 10095.1-2001 Cylindrical gears—system of accuracy—Part 1:Definitions and allowable values of deviations relevant to corresponding flanks of gear teeth 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 10095.1-2022 Cylindrical gears—ISO system of flank tolerance classification—Part 1:Definitions and allowable values of deviations relevant to flanks of gear teeth GB/T 10095.2-2001 Cylindrical gears-system of accuracy—Part 2:Definitions and allowable values of deviations relevant to radial composite deviations and runout information 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/T 10095.2-2023 Cylindrical gears—ISO system of flank tolerance classification—Part 2:Definitions and allowable values of double flank radial composite deviations GB/T 3098.2-2025 Mechanical properties of fasteners—Part 2:Nuts GB/T 1299-2025 Tool and mould steels GB/T 5782-2025 Fasteners—Hexagon head bolts GB/Z 3480.21-2025 Calculation of load capacity of spur and helical gears—Part 21:Calculation ofscuffing load capacity—Integral temperature method GB/Z 3480.20-2025 Calculation of load capacity of spur and helical gears—Part 20:Calculation of scuffing load capacity—Flash temperature method GB/Z 3480.31-2025 Calculation of load capacity of spur and helical gears—Part 31:Calculationexamples of micropitting load capacity