In this paper, a mathematical model using the dual stream function met
hod is proposed to investigate the plastic deformation behavior of the
rod in the roll-gap during planetenshragwalzwerk (PSW) rolling proces
ses. The rolling torque and the initial velocity of the product are pr
edicted under various rolling conditions such as the angular velocity
of the roll, the diameter of the rod at the entrance, friction factor,
inclined angle and offset angle, etc. (C) 1998 Elsevier Science S.A.
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