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Rotating electromagnetic field defect detection system for tubular goods
Rotating electromagnetic field defect detection system for tubular goods
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机译:管状物品的旋转电磁场缺陷检测系统
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摘要
The defect detection system of the present invention includes an encircling coil for providing a saturating DC magnetic fields to tubular goods. Also included is an encircling drive coil for applying a low level AC field using three-phase AC. Encircling pick up coils within the AC drive coils detect uniform, time varying magnetic fields to reveal defects within the tubular goods passing through the system.
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