CNC high-efficiency discharge milling machine tools - Part 1: Accuracy testing - Scope 1: JB/T 11274- This part specifies the terminology and coordinate axis naming, geometric accuracy testing, CNC axis positioning accuracy and repeated positioning accuracy testing and machining inspection of CNC high-efficiency discharge milling machine tools for general purposes and conventional accuracy. This section also specifies the tolerance values corresponding to the above inspections. This section is applicable to CNC high-efficiency discharge milling machines (hereinafter referred to as "machine tools"). The following normative references are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB/T 17421.1-1998 General Rules for the Inspection of Machine Tools - Part 1: Geometric Accuracy of Machine Tools under No Load or Finishing Conditions - GB/T 17421.2-2000 General Rules for the Inspection of Machine Tools - Part 2: Determination of Positioning Accuracy and Repetitive Positioning Accuracy of CNC Axes
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