D - Textiles – Paper – 21 – G
Patent
D - Textiles, Paper
21
G
92/6
D21G 1/00 (2006.01)
Patent
CA 1245899
ABSTRACT Regulating means in a roller press comprising a number of rolls for the adjustment of a press load and a deflection in deflection compensated rolls, especially in a calander stack provided for the glazing of a continuous thin running web like a paper web. The outer-most rolls in said roller press comprise means for the deflection compensation and one or several different press rolls, which are located between these outer-most rolls. Said roller press is provided with a feed-back connection arranged between a control circuit of the press load and a deflection compensation circuit of the deflection compensated rolls, which feed-back maintains a ratio between the press load and the hydraulic pressure in a roll of said compensable rolls. Said feed-back is further arranged in accordance to an alteration of a set point of the press load to control said press load, whereby said feed-back slows down a change speed in the press load so, that said change is carried out in suitable relation to the control speed of the deflection compensated rolls.
462788
Kirby Eades Gale Baker
Oy Wartsila Ab
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