BOND MAGNET AND METHOD OF MANUFACTURING THE SAME

PROBLEM TO BE SOLVED: To provide a high-density bond magnet by obtaining a sound green compact less susceptible to cracks even when base powder whose resin amount is reduced to 0.5-1.0 mass% is formed under high pressure.SOLUTION: The bond magnet obtained by binding magnet powder with resin has a cy...

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Hauptverfasser:	ISHIHARA CHIO, TAKAYAMA KAZUHIRO, MITSUGI TOSHIO, ITO TERUO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CASTING ELECTRICITY INDUCTANCES MAGNETS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER PERFORMING OPERATIONS POWDER METALLURGY SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS TRANSPORTING WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a high-density bond magnet by obtaining a sound green compact less susceptible to cracks even when base powder whose resin amount is reduced to 0.5-1.0 mass% is formed under high pressure.SOLUTION: The bond magnet obtained by binding magnet powder with resin has a cylindrical shape including a hollow part, in which a first layer P11 whose resin amount is 1.5-2.0 mass% is disposed at both end parts or one end part in an axial direction of the hollow part, and a second layer P12 whose resin amount is 0.5-1.0 mass% is disposed in the remaining part at a density of 6.4 Mg/mor more.