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JB/T 8290-2011

Chinese Standard: 'JB/T 8290-2011'
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Detail Information of JB/T 8290-2011; JB/T8290-2011
Description (Translated English): Non-destructive testing instruments - Magnetic particle flaw detectors
Sector / Industry: Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard: N78
Classification of International Standard: 19.100
Word Count Estimation: 12,132
Date of Issue: 2011-12-20
Date of Implementation: 2012-04-01
Older Standard (superseded by this standard): JB/T 8290-1998
Quoted Standard: GB/T 2611-2007; GB/T 5097-2005; GB/T 19001; GB/T 12604.5-2008; JB/T 6147-2007; JB/T 7406.2-1994
Drafting Organization: Mechanical Engineering Research Institute Co., Ltd., Changchun
Administrative Organization: National Technical Committee of Standardization Testing Machine
Regulation (derived from): Ministry of Industry and Information Technology Bulletin 2011 No. 43; industry standard filing Notice 2012 No. 2 (No. 146 overall)
Summary: This standard specifies the technical requirements for magnetic particle testing machine, testing methods, inspection rules and signs and packaging. This standard applies to AC, DC, half-wave rectifier and full-wave rectification of the testing machine, does not apply to the yoke -type magnetic detectors.

JB/T 8290-2011
JB
MECHANICAL INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 19.100
N 78
Record No.. 34825-2012
Replacing JB/T 8290-1998
Non-destructive Testing Instruments –
Magnetic Particle Flaw Detectors
无损检测仪器 磁粉探伤机
ISSUED ON. DECEMBER 20, 2011
IMPLEMENTED ON. APRIL 1, 2012
Issued by. Ministry of Industry and Information Technology of the
People's Republic of China
Table of Contents
Foreword ... 4 
1 Scope ... 6 
2 Normative References ... 6 
3 Terms and Definitions ... 7 
4 Technical Requirements ... 7 
4.1 Environmental and Operating Conditions ... 7 
4.2 Type and Specification ... 7 
4.3 Magnetizing System ... 7 
4.4 Holding Device ... 8 
4.5 Magnetic Ink Transfer System ... 9 
4.6 Lighting Device ... 9 
4.7 Demagnetizing Device ... 9 
4.8 Safety Requirements ... 9 
4.9 Transportation Bump Resistance Performance ... 11 
4.10 Other Requirements ... 11 
5 Quality Assurance ... 11 
6 Inspection Methods ... 12 
6.1 Inspection Conditions ... 12 
6.2 Appliances Used for Inspection ... 12 
6.3 Inspection on Rated Circumferential Magnetizing Current and Rated
Longitudinal Magnetizing Ampere Turns ... 12 
6.4 Inspection on Relative Errors of Indicated Values of Rated Circumferential
Magnetizing Current and Rated Longitudinal Magnetizing Ampere Turns ... 13 
6.5 Inspection on Bypass Current ... 14 
6.6 Inspection on Tangential Magnetic Field Strength ... 14 
6.7 Inspection on Safety Voltage of Circular Magnetizing Device and Longitudinal
Magnetizing Device ... 14 
6.8 Inspection on Remanence Induction Strength ... 14 
6.9 Inspection on Illumination ... 14 
6.10 Inspection on Temperature ... 14 
6.11 Inspection on Continuity of Protective Grounding Circuit ... 15 
6.12 Inspection on Insulation Resistance ... 15 
6.13 Inspection on Dielectric Strength ... 15 
6.14 Inspection on Transportation Bump Resistance Performance ... 15 
6.15 Visual Inspection ... 16 
7 Inspection Rules ... 16 
7.1 Exit-factory Inspection ... 16 
7.2 Type Inspection ... 16 
7.3 Judgment Rules ... 16 
8 Marking and packaging ... 17 
8.1 Marking ... 17 
8.2 Packaging ... 17 
Table 1 Basic Types and Specifications of Magnetic Particle Flaw Detectors ... 8 
Table 2 Permissible Temperature of the Basic Parts of Magnetic Particle Flaw
Detectors ... 10 
Table 3 Specified Continuity Value of Protective Grounding Circuit ... 10 
Table 4 Specified Value of Voltage for Dielectric Strength Test ... 11 
Foreword
This Standard replaces JB/T 8290-1998 "Magnetic Particle Flaw Detectors".
Compared with JB/T 8290-1998, The main changes of this Standard are as follows.
- The technical requirements and inspection methods for tangential magnetic field
strength of magnetic particle flaw detectors were added (4.3.3 and 6.6 of this
edition);
- The technical requirements and inspection methods for visible light illumination
of magnetic particle flaw detectors were added (4.6 and 6.9.2 of this edition);
- The technical requirements and inspection methods for bypass current of
magnetic particle flaw detectors were added (4.3.4 and 6.5 of this edition);
- The technical requirements and inspection methods for safety voltage of
magnetic particle flaw detectors were added (4.8.2.4 and 6.7 of this edition);
- The technical requirements and inspection methods for continuity of protective
grounding circuit of magnetic particle flaw detectors were added (4.8.2.1 and
6.11 of this edition);
- Quality assurance of magnetic particle flaw detectors was added (Chapter 5 of
this edition);
- Chapters 3 and 4 of 1998-edition were deleted.
The national standards of technical requirements and inspection methods that are
relevant to this Standard are as follows.
GB 5226.1-2008 Electrical Safety of Machinery - Electrical Equipment of
Machines - Part 1. General Requirements;
GB/T 15822.3-2005 /
ISO 9934-3.2002
Non-destructive Testing - Magnetic Particle Testing - Part
3. Equipment.
This Standard was proposed by China Machinery Industry Federation.
This Standard shall be under the jurisdiction of the National Technical Committee on
Testing Machines of Standardization Administration of China (SAC/TC122).
Chief drafting organization of this Standard. Changchun Research Institute for
Mechanical Science Co., Ltd.
Participating drafting organizations of this Standard. Nanjing Dongdian Testing
Equipment Co., Ltd., Jiangsu Sheyang Shengjieda Flaw Detection Equipment
Non-destructive Testing Instruments -
Magnetic Particle Flaw Detectors
1 Scope
This Standard specifies the technical requirements, inspection methods, inspection
rules, marking and packaging of magnetic particle flaw detectors (hereinafter referred
to as "flaw detectors").
This Standard is applicable to alternating current, direct current, half-wave rectified and
full-wave rectified flaw detectors; it is not applicable to the yoke type magnetic particle
flaw detectors.
2 Normative References
The following standards contain provisions which, through reference in this text,
constitute the provisions of this Standard. For dated references, the subsequent
amendments (excluding corrections) or revisions of these publications do not apply.
However, the parties who enter into agreement based on this Standard are encouraged
to investigate the possibility of applying the most recent editions of the standards
indicated below. For undated references, the latest edition of the normative document
referred to applies.
GB/T 2611-2007 General Requirements for Testing Machines
GB/T 5097-2005 Non-destructive Testing - Penetrant Testing and
Magnetic Particle Testing - Viewing Condition......
Related standard:   JB/T 6221-2012  JB/T 5453-2011
   
 
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