Scope This document specifies the structural type, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of superhard material rod digging machines. Suitable for superhard material rod cutting machines with linear axis stroke up to 2000mm. 2 Normative reference documents 3 Terms and definitions 4 Structural type 5 General technical requirements 6 Test methods 7 Marking, random documents, packaging, storage, transportation Appendix A (normative) Geometric accuracy inspection Appendix B (normative) Position accuracy inspection Appendix C (Normative) work accuracy inspection