Disc chipper

The disc chipper has a cutting disc with a drive and feed rollers with a drive mounted on the frame， the speeds of the two drives are coordinated with each other. The cutting disc drive (2) and each of the feed rollers drive (6) are direct current (DC) motors (4， 7) with control units (10， 11) and powered by a electrochemical cells battery (8) ， which also has a control unit (12). The power supply of the cutting disc (2) motor (4) goes through the power control circuit of the control unit (10) of the DC motor (4) of the cutting disc (2) and the power supply of the motors (7) of the feed rollers (6) is conducted via a common control unit (10) id DC motors (7) of feed rollers (6). These control units (10， 11， 12) are data-connected in both directions to the central control unit (13) powered by the battery (8) via the switch box (14).