MAGNETIZATION DEVICE FOR MAGNETIC FLAW DETECTION Russian patent published in 1997 - IPC

FIELD: non-destructive flaw detection. SUBSTANCE: magnetization device is designed as electromagnet with U-shaped magnetic circuit which winding is located at bar and at least two pairs of ferromagnetic rings which are mounted for rotation and spaced from both sides of magnetic circuit. Ferromagnetic rings are mounted on ferromagnetic axles. Side poles of magnet are mounted two half-poles which are located on both sides of ribbon and are asymmetric with respect to longitudinal axis of device. Rings are mounted on one side of each half-pole and provide possibility to change half-pole side. EFFECT: increased functional capabilities. 3 dwg