Method for manufacturing a magnet armature

A method for manufacturing magnet armatures which are used mainly in brake-pressure modulators of electronically controlled brake systems and which are provided on their entire surface with a plastic coating, for reasons of dimensional stability and sliding properties. Magnet armatures of this type...

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Bibliographische Detailangaben
Hauptverfasser:	FRANK DIETER, HOFLER SIEGFRIED, SIEKER ARMIN
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL BASIC ELECTRIC ELEMENTS BLASTING BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL COCKS DEVICES FOR VENTING OR AERATING ELECTRICITY ENGINEERING ELEMENTS AND UNITS 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 INDUCTANCES LIGHTING MAGNETS MECHANICAL ENGINEERING PERFORMING OPERATIONS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TAPS 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 TRANSFORMERS TRANSPORTING VALVES VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A method for manufacturing magnet armatures which are used mainly in brake-pressure modulators of electronically controlled brake systems and which are provided on their entire surface with a plastic coating, for reasons of dimensional stability and sliding properties. Magnet armatures of this type are constructed as cylindrical members and are usually provided in the region of one of the two end faces with an elastomeric sealing element, which according to the prior art is bonded to the magnet armature by vulcanization, an adhesive elastomer-to-metal bond being formed between the magnet armature and the elastomeric sealing element during vulcanization. Since bonds of this type are not possible for a completely coated magnet armature, the elastomer for the elastomeric sealing element is, according to the invention, vulcanized onto the armature without using an adhesion promoter. The resulting absence of nonpositive bonding between the elastomeric sealing element and the magnet armature is replaced by the structural feature of an interlocking relationship between the magnet armature and the elastomer. The interlocking relationship is achieved by an undercut in the magnet armature.