Product Description:

The ADF134D-B35TA0-BS06-A2N3 is a main spindle motor manufactured by Bosch Rexroth Indramat within the ADF Main Spindle Motors series. It is a liquid-cooled asynchronous drive intended to deliver continuous torque for production spindles in machining centers and other automated equipment. Stable speed control supports material removal and forming processes where consistent spindle performance is required.

The motor uses frame size 134, and length code D indicates a deeper active core that increases continuous power output. A combined flange and foot mounting arrangement lets the unit be secured on either a faceplate or a machine bed while maintaining shaft alignment. Heat is carried away through an internal channel that terminates in an axial connection with a 1/4-inch thread, which supports closed-loop coolant circuits. As a liquid-cooled asynchronous motor, it can support higher current density than comparable air-cooled designs. The plain shaft transmits torque without keys, and the lack of a shaft seal ring reduces friction where external enclosure protection is already provided. Standard bearings support the rotor, the BS winding code sets the electrical resistance and inductance profile, and power enters on side A with the plug housing on top of the stator to keep cable bends short inside a cabinet.

The rotor is trimmed to balance grade S1 DIN ISO 2373, which helps limit vibration that could affect machined surface finish. Motion is monitored through Digital servo feedback, allowing the drive controller to correct speed or phase deviations within each revolution. A single power connector plug interface provides the electrical connection at the motor. The unit is supplied without a holding brake, so positional locking must be handled by the machine spindle clamp or by drive torque. There is no second shaft end on side B, and the lack of a shaft seal is acceptable because coolant remains within the internal jacket.