GB/Z 3480.31-2025 Active National standards

GB/Z 3480.31-2025 Calculation of load capacity of spur and helical gears—Part 31:Calculationexamples of micropitting load capacity

Publish Date: 2025-12-03 Implement Date: 1970-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/Z 3480.31-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Gears and gear transmissions

ICS Name: Gears and gear transmissions

Publish Date: 2025-12-03

Implement Date: 1970-01-01

Pages: 52 pages

Scope

The calculation examples given in this document are solely for the guidance of the application of ISO/TS 6336-22. Any results or data provided herein should not be regarded as permissible values for gear materials or lubricants, nor as recommendations for microgeometries in practical applications. For a given operating condition, it is advisable to determine the necessary parameters and permissible film thickness ratio (λGFP) according to the method described in ISO/TS 6336-22.

Development Information

Word Count: 83 Thousand words Pages: 52 pages

Same series standard

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 3480.21-2025 Calculation of load capacity of spur and helical gears—Part 21:Calculation ofscuffing load capacity—Integral temperature method

Referenced Standards

GB/Z 3480.22-2024 Calculation of load capacity of spur and helical gears—Part 22:Calculation of micropitting load capacity ISO 1122-1 ISO 6336-1 ISO 6336-2 ISO/TS 6336-22 ISO 21771

Adopt standards

ISO/TR 6336-31:2018

Related Standards

GB/T 4133-1984 Replaced

GB/T 4133-1984 The type and dimensions for positive drive of Morse tapers

Publish Date: 1984-01-18

GB/T 6404-1986 Replaced

GB/T 6404-1986 Determination of sound power level for noise emitted by gear units

Publish Date: 1986-05-19

GB 6413-1986 Abolished

GB 6413-1986 Calculation of scuffing load capacity for involute cylindrical gears

Publish Date: 1986-05-24

GB/T 6443-1986 Replaced

GB/T 6443-1986 Involute cylindrical gears-Information of the dimensional data to be given on the drawing

Publish Date: 1986-06-07

GB/T 1357-1987 Replaced

GB/T 1357-1987 Modules of involute cylindrical gears

Publish Date: 1987-06-11

GB/T 8543-1987 Replaced

GB/T 8543-1987 Determination of mechanical vibrations of gear units during acceptance testing

Publish Date: 1987-12-05