1 Scope
This standard specifies the magnetic particle inspection method of rolling bearings for locomotive and rolling stock wheel sets.
This standard is applicable to inspect the newly-made and repaired locomotive and rolling stock wheel sets and rolling bearings by using the continuous magnetic particle inspection method.
2 Normative References
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated references, subsequent amendments to (excluding corrections to), or revisions of, any of these publications do not apply. However, all parties to coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents applies. For undated references, the latest edition applies to this standard.
GB 253 Kerosine
GB 2536 Transformer Oils
TB/T 2047-2002 Non-fluorescent Magnetic Particle for Magnetic Particle Inspection of Railway
TB/T 2600-1996 Technical Specifications of Fluorescent Magnetic Particle for Magnetic Particle Inspection of Railway
JB/T 8290- 998 Magnetic Particle Flaw Detectors
3 Personnel Requirements
The inspection personnel shall get Level II or above technical qualification certificate of magnetic particle inspection which issued by the identification and assessment committee of technical qualification for non-destructive inspection personnel by railway department.
4 Instruments and Equipment and Magnetic Ink
4.1 Instruments and equipment
Foreword II
1 Scope
2 Normative References
3 Personnel Requirements
4 Instrument and Equipment and Magnetic Ink
5 Requirements for the Inspected Parts
6 Magnetization Methods
7 Magnetic Particle Inspection Procedures
8 Magnetization Specifications
9 System Sensitivity
10 Demagnetization
11 Finished Product and Detection Record
Appendix A (Normative) The Magnetization Curve of Bearing Steel
Appendix B (Normative) The Sensitivity Block of Magnetic Particle Inspection for Bearings
