GB/T 34524-2025Wind energy generation systems - Main shaft of wind turbines (English PDF)

1 Scope

This document specifies the technical requirements, inspection requirements and test methods, acceptance procedures and certificates of conformity for forged and cast main shafts of wind turbine generator sets.

Books, logos, packaging, and storage.

This document applies to the design, manufacture, and inspection of forged and cast main shafts for horizontal axis wind turbine generator sets.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 223 (all parts) Chemical Analysis Methods for Iron and Steel and Alloys

GB/T 226 Steel - Low-magnification microstructure and defect testing method using acid etching

GB/T 228.1 Metallic materials - Tensile testing - Part 1.Test method at room temperature

GB/T 229 Metallic materials Charpy impact test method

GB/T 231.1 Metallic materials - Brinell hardness test - Part 1.Test method

GB/T 1348 Ductile Iron Castings

GB/T 1979 Low-magnification microstructure defect rating diagram for structural steel

GB/T 4161 Test method for plane strain fracture toughness of metallic materials (KIC)

GB/T 5210 Paints and varnishes - Pull-off adhesion test

GB/T 6060.1 Surface roughness comparison specimens - Part 1.Cast surfaces

GB/T 6394 Method for Determination of Average Grain Size of Metals

GB/T 6398 Fatigue testing of metallic materials - Fatigue crack propagation method

GB/T 6402 Ultrasonic Testing Methods for Steel Forgings

GB/T 6414-2017 Dimensional tolerances, geometric tolerances and machining allowances for castings

GB/T 8923.1-2011 Visual assessment of surface cleanliness of steel surfaces before coating - Part 1.Uncoated steel surfaces

Rust level and treatment level of steel surface and steel surface after complete removal of original coating.

GB/T 9286 Paints and varnishes - Cross-cut test

GB/T 9441-2021 Metallographic Examination of Ductile Iron

GB/T 9444 Magnetic particle testing of cast steel and cast iron parts

GB/T 9793 Thermal spraying of metals and other inorganic coatings, zinc, aluminum and their alloys

GB/T 10561-2023 Standard rating chart microscopic examination method for the determination of non-metallic inclusion content in steel

GB/T 11351-2017 Weight Tolerances for Castings

GB/T 11374 Non-destructive measurement method for the thickness of thermal spray coatings

GB/T 13288.2-2011 Surface roughness characteristics of steel after blast cleaning following surface treatment before coating - Part 2

Section. Comparison of methods for determining the surface roughness grade of steel after abrasive blasting (sample method)

GB/T 13452.2 Determination of film thickness of paints and varnishes

GB/T 25387.1 | GB/T 25388.1 | GB/T 25389.1 | GB/T 47555 | GB/T 34521 | […]