Home / Standards / GB/T 17421.2-2023 GB/T 17421.2-2023 Active Test code for machine tools—Part 2: Determination of accuracy and repeatability of positioning of numerically controlled axes 机床检验通则 第2部分:数控轴线的定位精度和重复定位精度的确定 Standard Type GBT ICS 25.040.20 CCS J50 Status 现行 Issue Date 2023-08-06 Implementation 2024-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A