
This standard specifies the detection principles, detection conditions, evaluation methods, and detection plans for shape and position errors (hereinafter referred to as shape and position errors). This standard is applicable to the detection of 14 form and position errors. 2 Normative References: The clauses in the following documents become clauses of this standard through reference in this standard. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this standard. GB/T 1182-1996 Tolerances for Shape and Position, General Principles, Definitions, Symbols, and Graphical Representation (eqv ISO/DIS 11011996) GB/T 18779.1 Geometrical Product Specifications (GPS) - Measurement and Inspection of Workpieces and Measuring Equipment - Part 1: Rules for Determining Conformity or Non conformity to Specifications (eqv ISO 14253-1:1998) GB/T 18779.2 Geometrical Product Specifications (GPS) - Measurement and Inspection of Workpieces and Measuring Equipment - Part 2: Guidelines for Evaluating Uncertainty in GPS Measurement in Calibration of Measuring Equipment and Product Inspection (ISO/TS 14253-2:1999, IDT) GB/T 18780.1-2002 Geometrical Product Specifications (GPS) - Geometric Elements, Part 1: Basic Terms and Definitions (idtISO 14660-1:1999)
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