GB/T 17421.2-2023 General Rules for Machine Tool Inspection Part 2: Determination of Positioning Accuracy and Repetitive Positioning Accuracy of CNC Axis (English Version)
2023GB/T 17421.2-2023 General Rules for Machine Tool Inspection Part 2: Determination of Positioning Accuracy and Repetitive Positioning Accuracy of CNC Axis
2016GB/T 17421.2-2016 Test code for machine tools.Part 2: Determination of accuracy and repeatability positioning numerically controlled axes
2000GB/T 17421.2-2000 Test code for machine tools-Part 2:Determination of accuracy and repeatability of positioning numerically controlled axes