JJG 33-2002 English PDF

US$439.00 · In stock
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JJG 33-2002: Verification Regulation of Universal Bevel Protractor
Status: Obsolete

JJG 33: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJG 33-2002	439	Add to Cart	3 days	Verification Regulation of Universal Bevel Protractor	Obsolete
JJG 33-1979	319	Add to Cart	3 days	Verification Regulation of Bevel Protracter	Obsolete
JJG 33-1958	RFQ	ASK	3 days	(Chinese Industry Standard)	Obsolete

Similar standards

JJG 517   JJG 0061   JJG 5   JJG 34   JJG 28   JJF 033   

Basic data

Standard ID: JJG 33-2002 (JJG33-2002)
Description (Translated English): Verification Regulation of Universal Bevel Protractor
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A52
Word Count Estimation: 10,162
Date of Issue: 2002-04-15
Date of Implementation: 2002-07-01
Older Standard (superseded by this standard): JJG 33-1979
Quoted Standard: JJF 1001-1998; JJF 1059-1999; GB/T 6315-1996
Issuing agency(ies): State Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard applies to indexing is 2 "and 5", with a measurement range of the cursor and table universal angle 0 �� ~ 320 �� and 0 �� ~ 360 �� ruler of initial verification, testing and use of the follow-up inspection.

JJG 33-2002: Verification Regulation of Universal Bevel Protractor

---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 Universal Bevel Protractor National Metrology Verification Regulations of the People's Republic Universal angle ruler Released on.2002-04-15 2002-07-01 implementation The General Administration of Quality Supervision, Inspection and Quarantine issued Replace JJG 33-1979 This regulation was approved by the General Administration of Quality Supervision, Inspection and Quarantine on April 15,.2002, and Implemented on July 1,.2002. Focal Point. National Geometric Angle Measurement Technical Committee Drafting unit. China Aerospace Science and Technology Corporation ○ Six Seven Base Measurement and Testing Institute Shaanxi Institute of Metrology and Testing This regulation entrusts the National Geometrical Angle Measurement Technical Committee to explain The main drafters of this procedure. Li Xiang (China Aerospace Science and Technology Corporation ○ 67 Base Measurement and Testing Institute) Liu Ying (Shaanxi Institute of Metrology and Testing) Participate in the drafters. Sun Minghao (China Aerospace Science and Technology Corporation ○ 67 Base Measurement and Testing Institute) Yue Chengxing (China Aerospace Science and Technology Corporation ○ 67 Base Measurement and Testing Institute)

table of Contents

1 Scope (1) 2 Citations (1) 3 Overview (1) 4 Metrology performance requirements (1) 4.1 scribe line width and width difference (1) 4.2 Distance of the scale surface (1) 4.3 Measuring plane flatness (2) 4.4 Parallelism of the ruler and base gauge measuring surface (2) 4.5 Verticality of the right angle of the square (3) 4.6 Zero correctness (3) 4.7 indication error (3) 5 General technical requirements (3) 5.1 Appearance (3) 5.2 Interaction of various parts (3) 6 measuring instrument control (3) 6.1 Verification conditions (4) 6.2 Verification project (4) 6.3 Verification method (4) 6.4 Processing of verification results (5) 6.5 verification period (5) Universal angle rule verification procedure

1 Scope

This procedure applies to cursors and gauges with scale values of 2' and 5', measuring ranges from 0° to 320° and 0° to 360°. The first test of the angle ruler, the subsequent test and the test in use.

2 Citations

This procedure refers to the following documents. JJF1001-1998 general measurement terms and definitions JJF1059-1999 Measurement Uncertainty Evaluation and Representation GB/T 6315-1996 cursor universal angle ruler Use of this procedure should take care to use the current valid version of the above cited documents.

3 Overview

The universal angle ruler is a universal angle measuring instrument that reads the angle separated by the relative movement of the two measuring faces. The main structural types are 1 type (Fig. 1) and 2 type (Fig. 2). The vernier universal angle ruler and the table universal angle The ruler (Figure 3). The basic parameters and dimensions of the universal angle rule are listed in Table 1. Table 1 mm Measuring range Measuring surface length nominal value Right angle measuring surface length Other measuring surface length 0°~320° ≥150 0°~360°.200 or 300 ≥150

4 Metrological performance requirements

4.1 scribe line width and width difference The line width, the line width difference and the adjacent line width difference shall not exceed the requirements of Table 2 at the reading position. Table 2 mm Grading value scribe line width scribe line width difference adjacent scribe line width difference 2' 5' 0.08~0.15 0.02 0.01 0.03 0.02 4.2 Distance of the scale surface The distance from the edge of the scale surface to the scale surface of the main ruler is not more than 0.25 mm. Distance between the pointer and the scale surface of the table ......

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