Home / Standards / GB/Z 3480.4-2024 GB/Z 3480.4-2024 Active Calculation of load capacity of spur and helical gears—Part 4: Calculation of tooth flank fracture load capacity 直齿轮和斜齿轮承载能力计算 第4部分:齿面断裂承载能力计算 Standard Type GBZ ICS 21.200 CCS J17 Status 现行 Issue Date 2024-04-25 Implementation N/A Responsible Dept 国家标准委 Drafting Unit N/A