| 摘要 |
The invention relates to a drive unit (3) for a chip-removing machine tool, especially a sawing, cutting-off or grinding machine for machining concrete, stone, wood or metal. The drive unit (3) can be connected to a tool (2) and comprises a movement unit (8) with an output side swivel arm (9) and a base unit (12). The tool drive (4), which is composed of an electric motor and a gear unit, is arranged in the housing (10) of the swivel arm (9) by means of an integrated bearing. At least one actuating drive (19, 20) which is used to rotate the swivel arm (9) and to move the base unit (12) in a travelling manner can be arranged in the base unit (12). An integrated liquid cooling device (32) can be provided for the drives (4, 19, 21). |
