... Consist by 7 levelling rollers, driving device, 2 nip rollers and machine rack; all the rolls are ... supporting by bearings.(3) Nip rolls: 2 rollers, the upper roll surface wrapping ... by 17 precision levelling rollers, driving device, 2 nip rollers, 2 Cut to Length rollers,driving device ... and machine rack.(3)Nip rolls: 2 rollers, the upper roll surface ...