Pneumatic zone-controlled deflection compensation for roll
AssigneeAalto University Foundation sr
InventorsMikael Miettinen, Raine Viitala, Petri Kuosmanen
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Abstract
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.
Claims15
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, wherein 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 flexibly on the shaft.
A method for controlling a nip load with a deflection compensated roll, wherein the 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, wherein the loading unit comprising a pressure chamber, a seal, and a flexible mounting, wherein the method comprising:
- adjusting a nip load profile by the one or more loading units by
- sealing the pressure chamber with pressurized gas by the seal;
- and
- mounting the seal flexibly on the shaft.
Dependencies are inferred from the claim text.