Controlling a strip tension during the flexible rolling of metal strip

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United States of America Patent

PATENT NO 11666957
SERIAL NO

17265831

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An apparatus for controlling a strip tension during flexible rolling of metal strip comprises a roll arrangement with at least one dancer roll, the position of said dancer roll being adjustable for controlling the strip tension of the metal strip,

    at least one hydraulic drive coupled to the dancer roll for adjusting the dancer roll, a hydraulic tank for hydraulic fluid, which is fluidly connected to the hydraulic drive via a hydraulic supply line, a controllable valve arrangement between the hydraulic tank and the hydraulic drive for controlling the hydraulic drive, a hydraulic pump with which the hydraulic drive is supplied with hydraulic fluid from the hydraulic tank, and at least one hydraulic pressure accumulator for temporarily storing hydraulic fluid previously delivered by the hydraulic pump, the hydraulic pressure accumulator being arranged between the hydraulic pump and the valve arrangement,wherein a pressure sensor is arranged in the hydraulic drive for determining the hydraulic pressure.

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Patent Owner(s)

  • MUHR UND BENDER KG

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Böhmer, Martin Finnentrop, DE 1 0
Eichner, Harald Hennef, DE 12 29
Eick, Alexander Plettenberg, DE 5 0
Feldmann, Andre Olpe, DE 11 40
Sondermann, Andre Finnentrop, DE 2 16

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