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JJG 146-2011 English PDF

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JJG 146-2011: Verification Regulation of Gauge Blocks
Status: Valid

JJG 146: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJG 146-2011English879 Add to Cart 6 days [Need to translate] Verification Regulation of Gauge Blocks Valid JJG 146-2011
JJG 146-2003EnglishRFQ ASK 9 days [Need to translate] Verification Regulation of Gauge Blocks Obsolete JJG 146-2003
JJG 146-1994EnglishRFQ ASK 9 days [Need to translate] Verification Regulation of Gauge Block Obsolete JJG 146-1994

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Basic data

Standard ID JJG 146-2011 (JJG146-2011)
Description (Translated English) Verification Regulation of Gauge Blocks
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A52
Classification of International Standard 17.040
Word Count Estimation 38,338
Date of Issue 2011-11-14
Date of Implementation 2012-05-14
Older Standard (superseded by this standard) JJG 146-2003
Quoted Standard JJF 1001-1998; JJF 1059-1999; GB/T 6093-2001
Regulation (derived from) AQSIQ Announcement No. 165 of 2011
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to nominal lengths from 0. 5mm to 1000mm, 1 until 5, etc., K-and 0-3 gauge block initial verification and follow-up testing and the use of checks.

JJG 146-2011: Verification Regulation of Gauge Blocks

---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 Gauge Blocks State verification procedures People's Republic of China Block GaugeBlocks Issued on. 2011-11-14 2012-05-14 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Block test procedures Gaug eBlocks Replacing JJG 146-2003 The regulations by the State Administration of Quality Supervision, Inspection and Quarantine on November 14, 2011 for approval and self From May 14, 2012 into effect. Focal point. the National Technical Committee of length measuring geometry Drafting units. China Institute of Metrology This procedure length measuring geometry commissioned the National Technical Committee is responsible for interpretation The drafters of the regulations. Wuyue Yan (China Institute of Metrology) Liuxiang Bin (China Institute of Metrology) Zhang Xudong (China Institute of Metrology)

table of Contents

1 Scope (1) 2. Referenced Documents (1) 3 Terms (1) 4 Overview (2) 5 metering performance requirements (3) 5.1 sectional size and connection holes (3) 5.2 flatness side, side to side between the measuring surface and the vertical, parallel and chamfer (3) Surface roughness 5.3 (5) 5.4 measuring surface flatness (5) 5.5 measuring surface lapping of (5) 5.6 Measuring surface hardness (5) 5.7 gauge block length and the amount of variation length (5) 5.8 length stability (7) Linear expansion coefficient of 5.9 (7) Modulus of elasticity and density 5.10 (8) 6 General Requirements (8) 7 control of measuring instruments (8) 7.1 Verification condition (8) 7.2 Verification Project (9) 7.3 test methods (9) 7.4 test results processing (17) 7.5 test cycle (18) A formula of several key parameters of the appendix (19) When the amount of B block length measuring Appendix measured block temperature 20 ℃ the allowable deviation value (20) Appendix C calibration certificate and test results page format and content of the notice (22) Appendix D Several recommendations on Measurement Uncertainty (23) Appendix E Measurement Uncertainty Example (24) Block test procedures

1 Scope

The order applies to the nominal length from 0.5mm to 1000mm, 1 until 5, etc., K 0 and level 3 to level the amount of Block initial verification and subsequent verification and the use of checks.

2 Citations

This procedure references the following documents. JJF1001-1998 common measurement terms and definitions JJF1059-1999 Evaluation and Expression of Uncertainty in Measurement GB/T 6093-2001 Geometrical product specifications (GPS) standard gauge block length When using this procedure, it should pay attention to the current valid version above referenced files.

3 Terms

3.1 Block gaugeblock Wear-resistant materials, a rectangular cross section and having a pair of mutually parallel measuring surface of the material measure. Gauge block Measuring surface and can measure surface lapping block and the other amount used in combination, and can also have a similar surface quality of auxiliary Surface lapping surface and is used to measure the amount of the block length. 3.2 Block length l lengthofagaugeblockl Block an arbitrary point surface measurements to measure its opposite vertical auxiliary body surface lapping surface between Straight away. Material and surface quality of auxiliary bodies should be the same as the amount of the block shown in Figure 1. Note. 1 Block from the measure does not include any point to point 0.8mm surface edge region. 2 Block length including single-sided lapping of. 3 Block length l is the length and value of the physical configuration of the unit. 3.3 Block central length lc centrallengthofagaugeblocklc Amount corresponding block is not the center of the measuring surface lapping amount of block length (Figure 1). 3.4 Block nominal length ln nominallengthofagaugeblockln Marked on the Block, to indicate its magnitude relationship between the main unit (m) and is also known as the amount of block length Indication. 3.5 Block length deviation e deviationofthelengthatanypointfromnominallengthe Algebraic difference between the amount of block length and nominal length at any point, that e = l-ln. Limit deviation represented by te. 3.6 Block length fluctuation amount v variationinlengthofagaugeblockv Gauge block measuring surface at any point in the difference between the maximum and minimum length lmin length lmax of Figure 2. Length change most Permissible values expressed tv. Flatness fd deviationfromflatnessinanymeasuringfaceofagauge 3.7 gauge block measuring surface

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