Technical requirements of railway wagon wheel and axle inspection

Technical requirements of railway wagon wheel and axle inspection - 2019 06 - 11 a, should be used in detection device requirements 1, which has the function of complex machine magnetization magnetic particle inspection equipment, magnetic particle inspection machine main technical performance should meet the requirements of the JB/T8290 and verification on a regular basis. 2, using the fluorescent magnetic particle detection, artifacts have been area of not less than 500 lx white light illumination. 3, using fluorescent magnetic particle detection, detecting surface uv irradiance shall be not less than 800 & mu; W/cm2, ultraviolet wavelength range of 320 nm to 400 nm, the center wavelength of 365 nm. 4, portable communication yoke flaw detector, when polar distance is 100 mm, at least 34. 3 n magnetic lift ( Can file 3. 5 kg of cylinder block) 。 Two magnetic powder flaw detection, inspection method 1, truck parts adopt continuous wet method and dry method. 2, when the test can be used portable communication yoke flaw detector local dry or wet testing. 3, sensitivity detection system. Bring the surface magnetic field intensity in inspection area for at least 2000 a/m. Bring about comprehensive sensitivity of detection system should be able to make to the workpiece surface 15/50 type a1 standard specimens showed clearly. Third, detection requirements 1, inspection of spare parts for mechanical or manual derusting, subject to prior surface cleanliness requirement to GB8923 Sa2 level, local level not under Sa1. 2, inspection area after grinding repair, weld repairs or mechanical processing must be test. 3, testing parts by repair shall be test. （ Railway vehicle resource platform)