Product Description:

The ADF104C-B05TA1-BS06-B2N1 spindle unit is produced by Bosch Rexroth Indramat as part of the ADF Main Spindle Motors series. It is built for integration into automated machining centers, where it drives the primary spindle that cuts or drills workpieces under closed-loop CNC control. By combining liquid cooling with an asynchronous rotor, the motor can maintain continuous output in environments that demand high cycle rates and minimal thermal drift. This layout suits machine tools that must keep spindle performance stable through repeated production cycles.

The control loop relies on digital servo feedback, allowing the drive to track position and speed with very fast response. Rotor vibration is limited by the balancing grade R DIN ISO 2373, which helps reduce tool chatter at elevated speeds. Installation is simplified through flange mounting. The stator housing bolts directly to the machine frame, while the power leads exit on Side A through a top-facing connector, which eases cable routing inside the cabinet. This model is supplied without a holding brake, so the control system must apply dynamic braking when power is removed. Standard bearings, a BS winding code, and a coolant inlet with the standard thread complete the main electrical and mechanical interfaces.

As a liquid-cooled asynchronous motor, the frame dissipates losses directly to the coolant stream, supporting higher continuous torque than comparable air-cooled designs. The Motor Size 104 stator diameter pairs with the medium Motor Length C to balance power density and inertia. Output torque is transmitted through a shaft with a keyway, balanced with the entire key. The motor has no second shaft end on Side B and no shaft seal ring. That arrangement keeps the drive end dedicated to the spindle connection and leaves the opposite end mechanically closed.