Product Description:

The ADF104B-B05TA1-BS00-A2N1 main spindle motor is manufactured by Bosch Rexroth Indramat for the ADF Main Spindle Motors series. Classified as a liquid-cooled asynchronous drive, it supplies continuous torque to machine tools and automated production cells while dissipating heat through an internal coolant circuit. When paired with a compatible digital drive, the unit provides stable speed control for milling, turning, and grinding tasks that demand repeatable spindle performance.

Mechanical integration is simplified by the flange mounting interface, which centers the frame and accepts axial clamping forces. Rotor balance reaches class R DIN ISO 2373, reducing vibration levels transmitted to the spindle housing. As a member of the liquid-cooled asynchronous motors product group, it relies on a standard coolant inlet and outlet to keep winding temperatures within operating limits even at high duty cycles. The shaft exits the frame as a plain shaft, allowing the use of custom couplings or pulleys without keyway restrictions. Electrical power is delivered through a sealed connector plug, which keeps the enclosure free of loose leads. A standard rolling-element bearing set, motor length code B, and winding code BS establish the electromagnetic package and axial footprint.

All conductors are routed to side A, and the connection housing sits on the top of the stator so cable routing can remain clear of the coolant path. Position feedback is not integrated, and the motor comes without an encoder unit, so an external sensor is required if closed-loop control is needed. Stopping torque is external because the design is without a holding brake. The housing lacks a shaft seal ring, and there is no second shaft end, which reduces parts that could trap coolant or chips. Motor size 104 provides a large core diameter, while the standard coolant connection and balanced rotor support high surface speeds during continuous operation.