TRUCK FRAME FOR RAILROAD VEHICLE AND ITS MANUFACTURING METHOD

PROBLEM TO BE SOLVED: To provide a truck frame for a railroad vehicle and its manufacturing method in which the small-lot production thereof is possible without increasing the cost. SOLUTION: In the truck frame 1 for the railroad vehicle, a pair of right and left side beams 2 are connected to a tran...

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Bibliographische Detailangaben
Hauptverfasser:	TSUBOI JUNJI, NIIMURA HIROSHI, TSUGE MIKIO
Format:	Patent
Sprache:	eng
Schlagworte:	BODY DETAILS OR KINDS OF RAILWAY VEHICLES MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PREVENTING DERAILING OF RAIL VEHICLES PUNCHING METAL 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 WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a truck frame for a railroad vehicle and its manufacturing method in which the small-lot production thereof is possible without increasing the cost. SOLUTION: In the truck frame 1 for the railroad vehicle, a pair of right and left side beams 2 are connected to a transverse beam 3, and the side beams 2 are formed by locally heating one steel tube W by a heating means using such as the induction heating or the burner-heating, and allowing a heated portion to be subjected to the sectional deformation or the bending deformation and to be formed in a specified shape. COPYRIGHT: (C)2008,JPO&INPIT