Home / Standards / GB/Z 115-2025 GB/Z 115-2025 Active Gears—Calculation of load capacity of worm gears 齿轮 蜗杆副承载能力计算 Standard Type GBZ ICS 21.200 CCS J17 Status 现行 Issue Date 2025-12-03 Implementation N/A Responsible Dept 国家标准委 Drafting Unit N/A