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How can the strict profiled magnets quality improve efficiency to reduce costs at the same time?

by:Newland     2020-04-18
How can the strict profiled magnets quality improve efficiency to reduce costs at the same time? How can in strictly the quality abnormity magnet at the same time, improve efficiency, reduce cost? To achieve & other; Three full beauty & throughout; ? Nondestructive testing technology in common use such as magnetic particle testing, penetrant, eddy current can only solve the problem of the surface or near surface defects. Ultrasound, industrial computed tomography (CT), although radiography technology can detect internal defects, but the method is of high cost, and about the detection of complex shape parts appear & other; Puff & throughout; 。 Domestic audio detection technology at present stage is basic in colleges and universities and the institute of laboratory, requires a relatively quiet and confined Spaces, online testing is not suitable for factory workshop. After more than a year of painstaking research and practice, finally developed & other; Audio magnetic workpiece internal crack detector & throughout; 。 Ferrite is a ferromagnetic metal oxide. In terms of electrical characteristics, the resistivity of ferrite magnetic material is much bigger than metals and alloys, but also high dielectric properties. Ferrite magnetic can also performance in high frequency with high magnetic permeability. Therefore, ferrite has become a high-frequency weak current widely used in the field of magnetic material, not of metal. Due to the special magnet magnetic energy stored in the unit volume is low, and a low saturated magnetization intensity ( Usually only pure iron 1/3 ~ 1/5) , thus limits its higher requirements in the low-frequency magnetic energy density in the field of high voltage and high power applications. Now, the device has already in guangdong province's largest nd-fe-b magnet manufacturer & ndash; — Permanent magnets to try and get good grades. On the premise of no damage to the circular, it can carry on the on-line detection in noisy industrial field, and the detection error rate is less than 0. About 3% 5%, broke through the artificial detection error detection rate, greatly improve the accuracy of the detection. “ This year, we successfully developed the second generation of detector & ndash; — CH002 has been able to realize online full inspection, its detection speed is 6 times of artificial detection speed, an hour to detect 7500 magnetic ring. In combination with the magnet factory workers' wages and market prices of the equipment, factory in 7 months can recover the cost of the instrument. ” New audio testing instrument development steps did not stop. According to introducing, audio magnetic workpiece internal crack detector in the CW model has been developed, mainly is for magnetic tile, such as irregular shaped magnetic artifacts. With the continuous improvement of audio detection technology, they were prepared to apply special magnet to electronic ceramics, bearings, bearing bushing, etc on the internal crack detection of other artifacts. 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