Manufacturing method of the coupler yoke for railway wagon

The present invention is process of making coupler yoke for goods train, belongs to the field of rolling and forging technology of coupler yoke for goods train, and aims at providing coupler yoke superior to available cast one and die forged one. The coupler yoke making process includes the followin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WANG ZHENGRONG, WANG YANLI, XIE JIAZHOU, DENG ZHENGYOU, CHEN CHANGYIN, ZHANG JINGANG, CHEN WEIDONG, WANG YINHONG, ZHU GUOJUN, ZHOU FAMING, JIANG LINTAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	COMBINED OPERATIONS FORGE FURNACES FORGING HAMMERING MACHINE TOOLS MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS PRESSING METAL PUNCHING METAL RIVETING ROLLING OF METAL TRANSPORTING UNIVERSAL MACHINE TOOLS
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Beschreibung
Zusammenfassung:	The present invention is process of making coupler yoke for goods train, belongs to the field of rolling and forging technology of coupler yoke for goods train, and aims at providing coupler yoke superior to available cast one and die forged one. The coupler yoke making process includes the following steps: 1. roller forging round steel section into initial coupler yoke blank; 2. die forging to make straight pre-forged blank; 3. die forging to make straight finish forged blank; and 4. edge cutting, bending and 3D comprehensive hot correcting to obtain forged coupler yoke product. The present invention has the dominances of both roller forging and die forging utilized in making coupler yoke for goods train.