METHOD FOR ROLLING SEAMLESS STEEL PIPE

PURPOSE:To prevent the seizure of rolls or tripping of driving and to prevent the generation of a defect in thickness and diameter by actually measuring the shell speed just before a shell is bitten in a sizer and controlling the roll speed of the sizer in accordance with this actually measured shel...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SAKURA HIROMOCHI, OKAMOTO YOSHIHIDE
Format:	Patent
Sprache:	eng
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL ROLLING OF METAL TRANSPORTING
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