METHOD OF MANUFACTURING A BEARING RING

The present invention resides in a method of manufacturing a bearing ring (101) for a rolling element bearing, wherein the bearing ring comprises a bearing race (102) made of a bearing grade steel and an overmoulded part (106) that is preferably made of a lightweight metal such as aluminium or a the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VISSERS, CORNELIUS, PETRUS, ANTONIUS, ZWARTS, JACOBUS, KAPAAN, HENDRIKUS, JAN, VAN DE SANDEN, JOHANNES, FRANCISCUS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BEARINGS BLASTING CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS POWDER METALLURGY ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The present invention resides in a method of manufacturing a bearing ring (101) for a rolling element bearing, wherein the bearing ring comprises a bearing race (102) made of a bearing grade steel and an overmoulded part (106) that is preferably made of a lightweight metal such as aluminium or a thermoplastic material such as polyamide. According to the invention, the method comprises a step of hardening at least a raceway surface (103) of the bearing race prior to a step of joining the overmoulded part (106) to the bearing race (102) in a moulding process. In a further development, the method comprises a step of temperature control, to ensure that the temperature of the raceway surface (103) is kept below a predetermined value during the moulding process. La présente invention porte sur un procédé de fabrication d'une bague de roulement (101) pour un palier à roulement, dans lequel procédé la bague de roulement comprend un chemin de roulement (102) réalisé en un acier pour roulement et une partie surmoulée (106) qui est, de préférence, réalisée en un métal léger tel que l'aluminium ou en un matériau thermoplastique tel que le polyamide. Selon l'invention, le procédé comprend une étape de durcissement d'au moins une surface de chemin de roulement (103) du chemin de roulement avant une étape de réunion de la partie surmoulée (106) au chemin de roulement (102) dans un procédé de moulage. Dans un autre développement, le procédé comprend une étape de régulation de température, afin d'assurer que la température de la surface du chemin de roulement (103) est maintenue en dessous d'une valeur prédéterminée durant le procédé de moulage.