This part of the scope GB/T 25658 specifies the requirements and inspection methods for the geometric accuracy, positioning accuracy, and working accuracy of CNC profiling fixed beam gantry boring and milling machines and CNC fixed beam gantry milling machines. This section is applicable to CNC profiling fixed beam gantry boring and milling machines with a workbench width of 1000 mm to 5000 mm, as well as CNC fixed beam gantry boring and milling machines. The clauses in the following documents are referred to as clauses in this part of GB/T 25658 through normative references. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions do not apply to this section. However, parties to agreements based on this section are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this section. 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 (eqv ISO 230-1:1996) 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 (eqv ISO 230-2:1997) GB/T 19660-2005 Industrial automation systems and integration, numerical control of machine tools, coordinate systems and motion nomenclature (ISO 841:2001, IDT)
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China