GB/T 20957.4-2007
ActiveTest conditions for precision machining centres - Part 4：Accuracy and repeatability of positioning of linear and rotary axes
精密加工中心检验条件 第4部分：线性和回转轴线的定位精度和重复定位精度检验
Application Summary AI generated
This standard specifies the test procedures for evaluating the positioning accuracy and repeatability of linear and rotary axes on precision machining centres. It is applied in the manufacturing industry, specifically during the acceptance testing and periodic verification of CNC machine tools to ensure they meet specified performance tolerances for high-precision machining operations.
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