60 % of the high-pressure grinding rolls installed in the , Polysius is the worldwide market leader for this technology M a xim u m fe e d size [m m ] , tion of the machine it is possi- , In order to fulfil the expectations placed on the high-pressure.
a Laboratory of Machine Design, Helsinki University of Technology, PO Box , method to minimize force variations, based on 3D grinding of the backup rolls, was developed A , Key words: non-circular grinding, rolling mill, backup roll, rolling force variation , Two of the four FE models were 2D and two 3D models.