Side frame center core construction and method

A side frame may include a bolster opening configured to receive an outbound portion of a bolster. A center core may be used during the manufacture of the side frame to form the bolster opening. The center core may include first and second side walls configured to form the first and second side fram...

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Bibliographische Detailangaben
Hauptverfasser:	Gotlund, Erik L, Manibharathi, Roshan N
Format:	Patent
Sprache:	eng
Schlagworte:	CASTING FOUNDRY MOULDING PERFORMING OPERATIONS POWDER METALLURGY PREVENTING DERAILING OF RAIL VEHICLES RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES ORARRANGEMENTS OF WHEEL AXLES RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH RAILWAYS TRANSPORTING WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAILVEHICLES
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Beschreibung
Zusammenfassung:	A side frame may include a bolster opening configured to receive an outbound portion of a bolster. A center core may be used during the manufacture of the side frame to form the bolster opening. The center core may include first and second side walls configured to form the first and second side frame columns of the bolster opening. Additionally, each of the first side wall and second side wall may include one or more pin core holes each of which is configured to receive a pin core used in forming the fastening holes of the first and second side frame columns.