Presse à cintrer les tubes à bâti fermé

A pipe-bending press with a large bending length in a closed frame construction, has a frame with side columns and upper and lower cross-pieces. The table supporting the lower bending tools is supported at the lower cross-piece and the upper bending tool which is guided vertically at the side column...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KOLBE MANFRED, HERMES ROLF
Format:	Patent
Sprache:	fre
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PRESSES PRESSES IN GENERAL PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	A pipe-bending press with a large bending length in a closed frame construction, has a frame with side columns and upper and lower cross-pieces. The table supporting the lower bending tools is supported at the lower cross-piece and the upper bending tool which is guided vertically at the side columns in a parallel manner is supported via a plurality of identical piston/cylinder units arranged side by side so that the upper bending tool can be raised and lowered relative to the upper cross-piece. The cylinder spaces of the piston/cylinder units are connected to a common pressure medium unit via a common control line, and the lower piston/cylinder units are arranged between the table supporting the lower bending tools and the lower cross-piece.