PNEUMATIC ZONE-CONTROLLED DEFLECTION COMPENSATION FOR ROLL

PNEUMATIC ZONE-CONTROLLED DEFLECTION COMPENSATION FOR ROLL

A deflection compensated roll, comprising a shaft, a shell configured to rotate around the shaft, one or more loading units between the shaft and the shell configured to adjust a nip load profile. The loading unit comprising a pressure chamber, a seal configured to seal the pressure chamber with pre...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Kuosmanen, Petri, Miettinen, Mikael, Viitala, Raine
Format: Patent
Sprache:eng
Schlagworte:
ACCESSORIES FOR PAPER-MAKING MACHINES
CALENDERS
PAPER-MAKING
PRODUCTION OF CELLULOSE
TEXTILES
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Beschreibung
Zusammenfassung:A deflection compensated roll, comprising a shaft, a shell configured to rotate around the shaft, one or more loading units between the shaft and the shell configured to adjust a nip load profile. The loading unit comprising a pressure chamber, a seal configured to seal the pressure chamber with pressurized gas, and a flexible mounting configured to mount the seal 4 flexibly on the shaft. Also, a method for controlling a nip load with a deflection compensated roll is disclosed.