This part of JB/T 11999 specifies the geometric accuracy inspection, CNC axis positioning accuracy and repeated positioning accuracy inspection, and machining inspection of CNC reciprocating wire cutting electric discharge wire cutting machines (hereinafter referred to as machine tools) with multiple cutting functions. It also specifies the allowable deviation corresponding to the above inspection. This section also defines the terminology used for the main components of machine tools and names the coordinate axis according to the provisions of GB/T 19660-2005. This section is applicable to cross table single column and double column 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 1958-2004 Geometrical Product Specifications (GPS) - Tolerances and Inspection Regulations for Shape and Position (GB/T 17421.1-1998) - General Rules for the Inspection of Machine Tools - Part 1: Geometric Accuracy of Machine Tools under No Load or Fine Machining 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 Axles
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