according to the invention, the motor (13) of the rotating grinding belt (11) is to include the role of the grinding wheel, the grinding device is on. grinding belt (11) to be in the control (t), (t ') of the press. in order to control the grinding band grinding is grinding device (10) has a grinding belt (11) with a guide pulley (12a 12a 1, 2) and the guide pulley to rotate is installed in contact with the solution (15). the contact pulley (15) of a grinding belt (11) to be compressed in the rotation, and the contact pulley (15) of the other device (16) of the ideal has a motor (16) of the roll control on the can, t "to be tried.
展开▼
