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JJG 117-2013 English PDF

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JJG 117-2013: Verification Regulation of Surface Plates
Status: Valid

JJG 117: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJG 117-2013English759 Add to Cart 6 days [Need to translate] Verification Regulation of Surface Plates Valid JJG 117-2013
JJG 117-2005EnglishRFQ ASK 6 days [Need to translate] Tablet VRof Obsolete JJG 117-2005
JJG 117-1994EnglishRFQ ASK 3 days [Need to translate] Verification Regulation of Plates Obsolete JJG 117-1994
JJG 117-1991English639 Add to Cart 5 days [Need to translate] Verification Regulation of Flat Plate Obsolete JJG 117-1991
JJG 117-1978EnglishRFQ ASK 3 days [Need to translate] (Chinese Industry Standard) Obsolete JJG 117-1978

PDF similar to JJG 117-2013


Standard similar to JJG 117-2013

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Basic data

Standard ID JJG 117-2013 (JJG117-2013)
Description (Translated English) Verification Regulation of Surface Plates
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A52
Classification of International Standard 17.040
Word Count Estimation 37,397
Older Standard (superseded by this standard) JJG 117-2005
Quoted Standard GB/T 20428-2006; GB/T 22095-2008
Regulation (derived from) AQSIQ Announcement No. 122 2013
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to: cast iron plate and Flat Rock (hereinafter referred to as flat) initial verification, testing and use of the follow-up examination.

JJG 117-2013: Verification Regulation of Surface Plates

---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 Surface Plates State verification procedures People's Republic of China flat SurfacePlates Issued on. 2013-09-02 2014-03-02 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Tablet test procedures SurfacePlates Replacing JJG 117-2005 NFP. National Engineering Geometrical Parameters Measurement Technology Committee Main drafting unit. Beijing Institute of Metrology detection China Institute of Metrology Shandong Province Institute of Metrology Participated in the drafting. Hexagon Measurement Technology (Qingdao) Co., Ltd. Precision Instrument Co., Ltd. Qingdao outpost This procedure works commissioned by the National geometric parameter measurement technology committee responsible for the interpretation The main drafters of this procedure. Wu Xun (Beijing Institute of Metrology detection) Liu Xingrong (Beijing Institute of Metrology detection) Zhao Jun (China Institute of Metrology) Sunkuai Qing (Shandong Province Institute of Metrology) Drafters participate. Wang Jin (Hexagon Measurement Technology (Qingdao) Co., Ltd.) Zhang Wuting (Qingdao outpost Precision Instrument Co., Ltd.) Zhang Bo (Beijing Institute of Metrology detection)

table of Contents

Introduction (Ⅱ) 1 Scope (1) 2. References (1) 3 Overview (1) 4 metering performance requirements (1) 4.1 Face Flatness (1) 4.2 Local Face Flatness (1) Repeated measures the amount of variation 4.3 (4) Surface roughness 4.4 (4) 4.5 side angle (4) 5 General Requirements (5) 5.1 Appearance (5) 5.2 Surface quality (5) 6 Control of measuring instruments (5) 6.1 Verification condition (5) 6.2 Verification Project (6) 6.3 Verification Methods (6) 6.4 Verification Results Processing (9) 6.5 test cycle (10) Appendix A flat working surface flatness allows the calculation of the limit (11) Appendix B Face flatness data processing (12) Appendix C flat working surface flatness measurement example of data processing (16) Appendix D plane fluctuation amount gage (22) Appendix E flat working surface flatness measurements Uncertainty Evaluation (23) Appendix F test certificates/test results in the notice page and format (28)

Introduction

JJG 117 "flat", JJG 1001-2011 "common measurement terms and definitions", JJF1002-2010 "Country Verification procedures write rules ", JJF1130-2005" geometric measurement equipment calibration Uncertainty Evaluation means South "and GB/T 24634-2009" Geometrical product specifications (GPS) GPS measuring device universal concepts and to Seek ", GB/T 17164-1997" dimensional measuring instruments - Product terms "constitute support JJG 117- 2005 "flat" the revision of the basic series of technical documents. JJG 117 "flat" is identical with the International Organization for Standardization (ISO ) standard ISO 8512-1 Series Tablet Cast iron plate (Surfaceplates-Part 1. Castiron) of GB/T 22095-2008 "iron plate" and repair Change the use of ISO 8512-2 Flat Rock (Surfaceplates-Part 2. Granite) of GB/T 20428-2006 "Flat Rock" as the basis for revising JJG 117-2005 version. Compared with JJG 117-2005, in addition to knitting Series modifications, mainly technical changes are as follows. --- Specification definition flat; --- To allow limited term instead of flatness flatness maximum allowable error term original statutes; --- Cancel the original procedures flat 5 accuracy levels of 00, consistent with national and international standards will be flat Board is divided into 0, Level 1, Level 2 and Level 3 four levels of accuracy; --- According to national standards, regulations and the flat working surface of the plate corresponding to the level of accuracy allowed limit; --- Expanding the number of contact points, the difference between any two positions of the contact points and support Face area ratio of the scope of application Wai, which was expanded from local Faces applied scraping iron plate to plate the whole Face, and restrictions in the new Cast iron plate made or repaired; --- Narrowed the definition of partial working face, and clearly gives the arbitrary locally flat working surface flatness allowed limit; --- Cancel the performance measurement requirements for the measurement uncertainty requirements; --- Revised to flat working surface and side surface roughness measurement method; --- Revised for flatness measurement method described in the flatness evaluation method and sample data, etc. into the appendix; --- Added Appendix A "flat working surface flatness allows the calculation of limit," so any specification plate By calculating the appropriate uniform can get flat working surface flatness allowed limit; --- Added Appendix B "Face flatness of data processing", help beginners understand the flat working surface level Measuring principle and measuring method of the surface; --- Revised the "flat working surface flatness measurement example of data processing," the original procedure in the appendix (see Appendix C), And procedures to make changes accordingly; --- Amendments to the original regulations appendix "flat working surface flatness measurements Uncertainty Evaluation" (see Appendix E), to make it more reasonable; --- Amendments to the original regulations appendix "verification certificate and test results in the notice page format" (see Appendix F), Meet the relevant provisions of the national technical norms. JJG 117-2005 of previously issued as follows. --- JJG 117-1991 --- JJG 117-1978 Tablet test procedures

1 Scope

The order applies to cast iron plate and Flat Rock (hereinafter referred to as the tablet) of the initial verification, use and subsequent verification Check. 2. References This procedure references the following documents. GB/T 20428-2006 Flat Rock GB/T 22095-2008 cast iron plate For dated references, only the dated edition applies to this procedure; undated reference documents Member, the latest edition (including any amendments) applies to this procedure.

3 Overview

Flat planar reference instrument for workpiece inspection or crossed. Tablet press accuracy level is divided into 0, Level 1, Level 2 and Level 3. Usually 0, Class 1 and Class 2 flat as Inspection plate use, level 3 is used as a flat dash plate. Press material is divided into flat iron plate and Flat Rock; by structure type flat iron bars into plate, box-type, Figure 1 (a), (b); and a flange into the rock plate without flange, shown in Figure 1 (c), (d).

4 metering performance requirements

4.1 Face flatness 4.1.1 flat working surface flatness allowed limits specified in Table 1. Face plate in the edge region defined (see Table 1) at any point within the region if it is not higher than the outside Face Point, the flatness of the edge region may not be requested. 4.1.2 fresh or repair after scraping iron plate work surface contact between any two points and the position of the contact points The difference shall be in accordance with Table 2. Measurement of the contact points in case of dispute, the area ratio should be measured and support Face Any difference between the two units supporting the area ratio of the area, and as a final measurement result, shall be in accordance with Table 2 Provisions. Face plate at any point in the edge region of a predetermined, if it does not face up points outside the region, this Support points or support area ratio of the edge region may not be requested. 4.2 Local Face flatness 4.2.1 Face flat diagonal length ≥566mm, should be measured at any of the local workers 250mm × 250mm For surface flatness.

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