DEFLECTION ADJUSTABLE ROLL AND SYSTEM

摘要

The invention is relating to a deflection adjustable roll of a fiber web machine comprising a stationary shaft (2), a shell (1) arranged rotatably around the shaft (2), and loading elements (6) supported in the shaft (2) for loading the shell from inside through a hydraulic pressure medium, and the roll comprises separate loading pressure supply (Ps) and lubrication supply (Qs) for the loading elements (6), and a group of digital hydraulic first loading valves (P1...PN) is arranged inside the roll each of them being arranged loading element specific in a flow connection with a loading cylinder (20) comprised by the loading element (6). The invention is relating also to a system for loading a deflection adjustable roll.