① It is nondestructive examination exclusive establishment that detects defects of the product by applying magnetic particle after authorizing electric magnetic to the product during metal product manufacturing process. (Operation procedure) Conveyor In → spread of magnetic particle → magnetization → inspection → demagnetizing → Conveyor Out
② There are type that flows electric current directly to the object to magnetizing and type that magnetizing object without touching it.
③ It is structured with power panel, control and operation board, magnetic particle spraying device, magnetization device, matter conveying device, inspection device and demagnetizing device.
④ Select specification by concerning of material matters, shape, size and treating time period etc. of object.
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At least 10~1000 characters.