Gould-Bass Multi-Mag® Systems
The Gould-Bass Multi-Mag® systems provide outstanding defect detection and provide major time and cost savings over conventional magnetic testing methods. By providing for magnetization of the part in multiple directions in one firing sequence, virtually all defects can be revealed without having to process the part with a separate head shot and coil shot which is the case with conventional magnetization techniques.
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In the multidirectional (Multi-Mag®) mode, each power pack delivers current to the test part, with switching occurring at 0.003-second intervals. During a 0.5-second shot, some 90 directional switches will be made, that is, thirty in each direction occurring over the full 0.5-second. Thus the system appears to provide simultaneous magnetization while separating the application of field in al three directions. Current flows for a duration of 0.000 to 0.009 second based on the current control setting, and will repeat itself every 0.009 second for the full duration of the magnetizing shot. This switching sequence occurs in all three of the power packs on an individual basis. The multidirectional magnetization mode can be carried out with the choice of alternating current (AC), half-wave direct current (HWDC), or full-wave direct current (FWDC).
Features and Benefits