Production of double walled pipes made of steel comprise winding a metal strip by adjusting to the rolling axis axially and/or rotational symmetrically using side and/or height adjustment of a calibrated mill stand

Production of double walled pipes made of steel comprise winding a metal strip using a pre-calibrated mill stand and a calibrated mill stand (4) with a float (5) axially moving on the rolling axis. The metal strip winding is adjusted to the rolling axis axially and/or rotational symmetrically using...

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Bibliographische Detailangaben
1. Verfasser:	HENTZSCHEL, ERHARD
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PIPES PUNCHING METAL SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	Production of double walled pipes made of steel comprise winding a metal strip using a pre-calibrated mill stand and a calibrated mill stand (4) with a float (5) axially moving on the rolling axis. The metal strip winding is adjusted to the rolling axis axially and/or rotational symmetrically using side and/or height adjustment of the calibrated mill stand. An Independent claim is also included for a device for the production of double walled pipes. Preferred Features: The metal strip winding is adjusted horizontally, vertically and/or across the rolling axis. Only the upper roller of the calibrated mill stand is adjusted. Ein Verfahren zum Herstellen von nach dem sog. Bundy-Verfahren eingeformten und gelöteten Doppelwandrohren (22) kann mit höheren Fertigungsgeschwindigkeiten ausgeübt werden, indem der Metallband-Rohrwickel (21) durch Seiten- und/oder Höhenverschieben des Fertigkalibrier-Walzgerüstes (4) zur Walzachse (1a) axial und/oder rotationssymmetrisch vor dem Löten ausgerichtet wird.