JB/T 14674-2024Wind turbines - Variable pitch gearboxes (English PDF)

JB/T 14674-2024 (Wind turbines - Variable pitch gearboxes) is available as an English-translated PDF.

JB/T 14674-2024 is the Chinese standard "Wind turbines - Variable pitch gearboxes".

This standard specifies the use conditions, basic structure, technical requirements and test rules of the variable pitch gearbox of the wind turbine, describes the corresponding test methods, and specifies the requirements for marking, packaging, transportation, storage and maintenance inspection.

This standard applies to the manufacture of three-stage planetary transmission mechanisms for adjusting the windward angle of the blades in wind turbines. It was issued by Ministry of Industry and Information Technology. Issued on 2024-10-24, in force from 2025-05-01.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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