GB/T 39430-2020

Active

Specifications for the blanks of high reliability gears

高可靠性齿轮毛坯技术要求

Standard Type
GBT
ICS
21.200
CCS
J17
Status
Active
Issue Date
2020-11-19
Implementation
2021-06-01
Centralized Committee
国家标准委
Issuing Authority
国家市场监督管理总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the technical requirements, inspection methods, and acceptance criteria for gear blanks intended for high-reliability applications. It is applied in the manufacturing of gears for critical mechanical systems such as aerospace, high-speed rail, and heavy machinery, where failure could lead to significant safety or operational risks. The standard ensures that raw materials and pre-machined blanks meet stringent quality levels for material composition, forging, heat treatment, and defect control.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.