HOT EDDY CURRENT FLAW DETECTION DEFECTIVE MATERIAL CLASSIFYING METHOD

PURPOSE:To easily classify defective materials without any large-scale facilities by detecting a defective material at a position in a conveyance line after the flaw detecting defective material is cooled sufficiently, and tracking and ejecting the defective material after the detection from the con...

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Bibliographische Detailangaben
Hauptverfasser:	KOMIYA YOSHIOKI, SHIBUTA TSUTOMU, SATO SHOZABURO
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Beschreibung
Zusammenfassung:	PURPOSE:To easily classify defective materials without any large-scale facilities by detecting a defective material at a position in a conveyance line after the flaw detecting defective material is cooled sufficiently, and tracking and ejecting the defective material after the detection from the conveyance line. CONSTITUTION:The defective part of the flaw detection defective material is marked by a hot marking device 4, the hot marked defective material is cooled at cooling tables 6 and 7 for air cooling and water cooling, and then the mark is detected by a mark detecting device 8. The flaw detection defective material tracking position (not shown in figure) is tracked according to the detection signal and when the defective material reaches a defective cradle 11 after passing through a correcting machine 9 and a cold eddy current flaw detecting machine 10, the cradle 11 is put in operation to eject the defective material from the line. At this time, normal materials which are not tracked flow to a nondefective article cradle 12.