Wedge cross-rolling two cycle roll-forming method for train shaft blank

A technology for forming the axle bank of train by using wedge dies to roll it by two-turns includes such steps as heating a circular blank to 1000-1200 deg.C, feeding it between two die sets with at least one pair of internal wedges and one pair of external wedges, rotating the die sets by one turn...

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Bibliographic Details
Main Author BAOYU,HU WANG
Format Patent
LanguageEnglish
Published 18.04.2007
Subjects
MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS,WHEELS, RINGS, BARRELS, BALLS
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
ROLLING OF METAL
TRANSPORTING
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Summary:A technology for forming the axle bank of train by using wedge dies to roll it by two-turns includes such steps as heating a circular blank to 1000-1200 deg.C, feeding it between two die sets with at least one pair of internal wedges and one pair of external wedges, rotating the die sets by one turn while rolling it by internal wedges, and rotating the die sets by another turn while rolling it by external wedges.
Bibliography:Application Number: CN20061144115