Pilger rolling mill for tubes

Tubes are rolled on a Pilger rolling mill by effecting, during the reverse pass of the blank and mandrel opposite to the direction of the rolls, forced displacement of the blank and mandrel combined with rotation around the centre line and feeding of a portion of the blank in the rolls. During the f...

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Bibliographische Detailangaben
Hauptverfasser:	SHEIKH-ALI ALEXEI DANIALOVICH, PEDAS VASILY PROKOPIOVICH, POLUKHIN PETR IVANOVICH, POTAPOV IVAN NIKOLAEVICH, GREMYAKOV IVAN PETROVICH, KOLESOV VLADIMIR MIKHAILOVICH, SARKISIAN JURY LEVONOVICH, UKHOV ALEXANDR VASILIEVICH, DZHAVAKHIAN RAZMIK PATVAKANOVICH, TIKHONOV LEV SERGEEVICH, RAUSHENBAKH IGOR MIKHAILOVICH, STYRKIN GERMAN DMITRIEVICH, BITNY MIKHAIL ANTONOVICH, IVANOV EVGENY VIKTOROVICH
Format:	Patent
Sprache:	eng ; ita
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL ROLLING OF METAL TRANSPORTING
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Beschreibung
Zusammenfassung:	Tubes are rolled on a Pilger rolling mill by effecting, during the reverse pass of the blank and mandrel opposite to the direction of the rolls, forced displacement of the blank and mandrel combined with rotation around the centre line and feeding of a portion of the blank in the rolls. During the forward pass a forced displacement of blank with mandrel in the direction of the rolls is effected. The speed of this displacement is matched to that of the rolls, and a blank section is pressed on the mandrel. The forced forward and return motions proceed in a harmonic law and the forced displacement of the blank in the forward and return passes is effected in the same time intervals.