B - Operations – Transporting – 21 – B
Patent
B - Operations, Transporting
21
B
B21B 27/05 (2006.01)
Patent
CA 2338495
The invention relates to a supporting or intermediate roll in rolling mills for rolling fiat rolling stock, in particular strip material, comprising a cylindrical roll core and a tubular sleeve which is connected in a rotationally fixed manner to said roll core, engages coaxially around the same and between which and the roll core there are arranged hydraulically axially displaceable supporting bodies which support the roll sleeve against the roll core. In this case, the supporting bodies are formed with at least two annular pistons (s), which are arranged symmetrically in relation to the roll center and are sealed in relation to the roll core (2) and the inside of the roll sleeve (5), and comprise a plurality of annular supporting bearings (A to K), which are arranged on the outer circumference of said pistons, are spaced apart from one another in the longitudinal direction of the roll (1) and against which the inner surface of the roll sleeve (5) can be positioned.
L'invention concerne un cylindre d'appui ou intermédiaire monté dans des laminoirs pour le laminage d'un produit plat, en particulier un feuillard, constitué d'un noyau cylindrique de cylindre et d'une enveloppe tubulaire solidaire en rotation dudit noyau et entourant celui-ci coaxialement. Entre cette enveloppe et le noyau de cylindre sont placés des corps d'appui pouvant être déplacés axialement par un système hydraulique, qui appuient l'enveloppe de cylindre contre le noyau de cylindre. Ces corps d'appui sont formés par au moins deux pistons annulaires (2) disposés symétriquement par rapport au centre du cylindre et rendus étanches vis-à-vis du noyau de cylindre (2) et de la face intérieure de l'enveloppe de cylindre (5). Ces pistons annulaires (9) comprennent plusieurs paliers d'appui (A à K) annulaires, disposés sur leur périphérie extérieure, contre lesquels la surface intérieure de l'enveloppe de cylindre (5) peut être appuyée.
Figge Dieter
Quitmann Uwe
Schwerdt Wilhelm
Fetherstonhaugh & Co.
Sms Demag Ag
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