Tool change apparatus

摘要

The tool changing device has a rotary tool carrier (6) supported by a hollow shaft (5) and driven by an electric ring motor (10,12) with its rotor directly fitted to the shaft, which contains a servo drive motor (13) and/or a supply line (27) for the operative tool (14). At least part of the mantle of the hollow shaft is provided by the rotor of the electric ring motor.