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TB/T 2983-2000 English PDF (TBT2983-2000)

TB/T 2983-2000 English PDF (TBT2983-2000)

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TB/T 2983-2000: Magnetic particle inspection of railroad wheels

This Standard specifies a method for detection by means of magnetic particle acceptance testing of new railway roiling stock wheel.
TB/T 2983-2000
TB
RAILWAY INDUSTRY STANDARD OF
THE PEOPLE REPUBLIC OF CHINA
Eqv ISO 6933.1986
Railway Rolling Stock Wheel ?€?
Magnetic Particle acceptance Testing
ISSUED ON. MARCH 29, 2000
IMPLEMENTED ON. NOVEMBER 1, 2000
Issued by. Ministry of Railways of the People's Republic of China
Table of Contents
Foreword ... 3
ISO Foreword ... 4
1 Scope ... 5
2 Normative Reference ... 5
3 Personnel Requirement ... 5
4 Device and Material ... 6
5 Magnetization Method ... 6
6 Sensitivity ... 8
7 Inspection ... 9
8 Demagnetization ... 10
9 Acceptance ... 10
10 Inspection ... 10
Foreword
The method of testing for wheel surface defect specified in this Standard is equivalent to that specified in ISO 6933. 1986 "Railway Rolling Stock Material - Magnetic Particle Acceptance Testing".
The formulation of TB/T 2817-1997 "Technical Specifications for Integral Steel Wheel of Railway Rolling Stock" is equivalent to UIC 812-3 "Technical Specifications of Delivery of Integral Unalloyed Steel Wheels for Railway Rolling Stock"; it only specifies magnetic particle test on wheel web. In recent year, wheel cracks occur more frequently, especially on wheel rim, while the high speed heavy-load trains develop. Therefore, this Standard specifies the defect testing positions on wheel rim and web. Magnetic particle test for wheels shall comply with the relevant requirements of this Standard. This Standard was proposed by Qishuyan Railway Rolling Stock Process Institute. This Standard is under the jurisdiction of Qishuyan Railway Rolling Stock Process Institute.
Chief drafting organizations of this Standard. Qishuyan Railway Rolling Stock Process Institute AND Metals and Chemistry Research Institute of the Ministry of Railways Academy of Science.
Participating organizations of this Standard. Qishuyan Railway Rolling Stock Process Institute, Puzhen Railway Rolling Stock Co., Ltd. AND Qiqihar Railway Rolling Stock Co., Ltd.
Chief drafting staffs of this Standard. Huang Yongwei, Li Lianxiu, Gao Jinsheng, Xie Ning and Peng Shanbai.
This Standard is issued for the first time.
Railway Rolling Stock Wheel ?€?
Magnetic Particle acceptance Testing
1 Scope
This Standard specifies a method for detection by means of magnetic particle acceptance testing of new railway roiling stock wheel.
This Standard is applicable to magnetic powder test for surface defects on new railway rolling stock wheel rim and web.
2 Normative Reference
The provisions of the following standards, through reference by this Standard, constitute the provisions of this Standard. When this Standard is published, the editions indicated are valid. All standards are subject to revision. The parties concerned are encouraged to study the possibility of applying the latest editions of the following standards.
TB/T 2047-1996 Technical Specifications for Non-fluorescent Magnetic
Particles of Magnetic Particle Test for Railway Rolling Stock
TB/T 2600-1996 Technical Specifications for Fluorescent Magnetic Particles of Magnetic Particle Test for Railway Rolling Stock
JB/T 8290-1998 Magnetic Particle Detector
JJG (railway)
155-1995
Magnetic Particle Detector
3 Personnel Requirement
3.1 The personnel undertaking magnetic powder test for wheel must master sufficient congruent knowledge and understand the requirements of this Standard.
3.2 The inspection personnel must obtain technical qualifications of magnetic particles level-II or above issued by the Committee of Qualification and Certification of NDT Personnel in Railway Industry.
7.2.2 Indications believed to be spurious should be re-tested after cleaning the surface.
7.2.3 If it cannot be judged after retests, these indications may be further examined by other method to reveal their nature.
8 Demagnetization
The remanence shall not be greater than 7??10-4T.
9 Acceptance
The surface to be inspected shall not have crack; non-crack defect shall not exceed 6mm.
10 Inspection
The inspection report shall include the following information.
a) The date of inspection;
b) The place of inspection;
c) Symbols for product and material, e.g. name, number, drawing number, heat number and quantity of product and material;
d) Inspection conditions.
1) Inspection device (name, model, manufacturer);
2) Magnetization method;
3) Characteristics of magnetic particles (manufacturer, quantity);
4) Carrier liquid;
5) Method of magnetic particles application;
6) Method of sensitivity setting (test piece name or other method).
e) The inspection conclusion.

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