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Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. JJG 571-2004: Verification Regulation of Reading Microscope and Measuring Microscope Status: Valid JJG 571: Historical versions
Basic dataStandard ID: JJG 571-2004 (JJG571-2004)Description (Translated English): Verification Regulation of Reading Microscope and Measuring Microscope Sector / Industry: Metrology & Measurement Industry Standard Classification of Chinese Standard: A52 Classification of International Standard: 17.040 Word Count Estimation: 20,233 Date of Issue: 2004-09-21 Date of Implementation: 2005-03-21 Older Standard (superseded by this standard): JJG 571-1988% JJG 904-1996 Quoted Standard: JJF 1001; JJF 1059; JJF 1094; JB/T 2369; JB/T 9339 Regulation (derived from): 2004 technical regulations issued by national metrology (industrial measurement 2005 Volume 15, Issue 1) Issuing agency(ies): State Administration of Quality Supervision, Inspection and Quarantine Summary: This standard applies to indexing is not greater than 0. 01mm, 8mm measuring range upper limit to the reading microscope, and dividing the value is not greater than 0. 01mm, measuring range: Portrait of (0 ~ 50) mm, transverse (0 ~ 13) mm The initial verification of measuring microscope, follow-up testing and use test. JJG 571-2004: Verification Regulation of Reading Microscope and Measuring Microscope---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.Verification Regulation of Reading Microscope and Measuring Microscope National Metrology Verification Regulations of the People's Republic Reading, measuring microscope Released on.2004-09-21 2005-03-21 implementation The General Administration of Quality Supervision, Inspection and Quarantine issued Replace JJG 904-1996 Replace JJG 571-1988 This regulation was approved by the General Administration of Quality Supervision, Inspection and Quarantine on September 21,.2004, and It will take effect on March 21,.2005. Focal Point. National Geometric Quantity Engineering Measurement Technology Committee Main drafting unit. China Institute of Metrology Henan Institute of Metrology and Testing Participated in the drafting unit. The 704 Institute of China Aviation Industry First Group Corporation This regulation entrusts the National Geometric Quantity Engineering Parametric Measurement Technical Committee to explain The main drafters of this procedure. Zhu Xiaoping (China Institute of Metrology) Zhang Weidong (Henan Province Metrology and Testing Institute) Zhang Heng (China Institute of Metrology) Participate in the drafters. Zhao Xinli (The 704 Institute of China Aviation Industry First Group Corporation) Wang Weichen (China Institute of Metrology) table of Contents1 Scope (1) 2 Citations (1) 3 Overview (1) 4 Metrological performance requirements (2) 4.1 Displacement caused by the radial force of the circular table (2) 4.2 Parallelism of the movement direction of the glass table and the longitudinal and lateral slides (2) 4.3 Straightness of vertical and horizontal slide movement (2) 4.4 Mutual verticality of vertical and horizontal slide movement (2) 4.5 The verticality of the microscope lifting direction to the glass table (2) 4.6 Indication error of round table (2) 4.7 Magnification error of the microscope (2) 4.8 Return error (2) 5 General technical requirements (3) 5.1 Appearance (3) 5.2 Interaction of various parts (3) 5.3 Relative position between the lines of the microscope (3) 5.4 Prism seat rotation causes image displacement (4) 5.5 Coincidence between the center of the spiral reticle and the center of rotation (4) 6 measuring instrument control (4) 6.1 Verification conditions (4) 6.2 Verification project (4) 6.3 Verification method (4) 6.4 Processing of verification results (9) 6.5 verification period (9) Appendix A Analysis of the Uncertainty of the Results of the Errors in the Reading Microscope (10) Appendix B Uncertainty Analysis of Measurement Results of Measurement Microscope Errors (12) Appendix C Verification device for verifying the coincidence of the spiral dividing center with its center of rotation (14) Appendix D Verification certificate and verification result notice page format (15) Reading and measuring microscope verification procedures1 ScopeThis procedure is applicable to reading microscopes with a division value not greater than 0.01 mm and an upper measurement range up to 8 mm, and The division value is not more than 0.01mm, and the measurement range is. measurement in the longitudinal direction (0~50) mm and the lateral direction (0~13) mm. The first verification, subsequent verification and in-use inspection of the microscope.2 CitationsThis procedure refers to the following documents. JJF1001-1998 General measurement terms and definitions JJF1059-1999 Measurement Uncertainty Evaluation and Representation JJF1094-2002 Measuring instrument characteristic evaluation JB/T 2369-1993 reading microscope JB/T 9339-1999 Measuring microscope When using this procedure, care should be taken to use the current valid version of the above cited documents.3 OverviewReading microscopes and measuring microscopes (hereinafter referred to as microscopes) are optical mechanical length measuring instruments, readings The microscope is mainly used as the aiming and positioning reading device in the length measuring instrument, and can also be used for the scribe line width, spacing, etc. Measurement of the length; the main purpose of the measuring microscope is to measure the part by the image method in Cartesian or polar coordinates. Shape size. The shape of the reading microscope is shown in Figure 1, Figure 2, Figure 3. The shape of the measuring microscope is shown in Figure 4. Shown. Figure 1 One of the outlines of the reading microscope 1-objective lens; 2-measuring differential scrimmage box; 3-eyepiece; 4-micrometer knob; 5-light Figure 2 Figure 2 of the reading microscope 1-objective lens; 2-micrometer knob; 3-eyepiece; 4-measuring differential scrimmage box; 5-zero adjustment knob; 6-light ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of JJG 571-2004_English be delivered?Answer: Upon your order, we will start to translate JJG 571-2004_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of JJG 571-2004_English with my colleagues?Answer: Yes. 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Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJG 571-2004 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
