Product Description:

The ADF134D-B05TA0-BS07-A2N1 is a liquid-cooled asynchronous main spindle motor manufactured by Bosch Rexroth Indramat for the ADF Main Spindle Motors series. Intended for CNC machining centers and automated production lines, the unit drives the machine spindle directly and maintains constant speed under varying load through encoder-based feedback, supporting precise metal cutting and drilling operations. With its internal cooling circuit, the motor removes rotor and stator heat efficiently, sustaining high duty cycles in continuous service.

The rotor is dynamically balanced to R DIN ISO 2373, reducing vibration that could degrade surface finish on workpieces. Position and velocity data are returned by a digital servo feedback system that includes an integrated encoder, enabling the drive controller to correct speed deviations in real time. Liquid enters the stator jacket through an axial 1/4" coolant port. This threaded connection allows quick attachment of standardized hoses. Mechanical integration is handled by flange mounting, while the stator windings follow length code D to match the thermal envelope of liquid cooling. Electrical power reaches the terminals through a top-entry power housing that faces Side A, and a sealed plug connector simplifies cable connection. The motor carries standard rolling-element bearings sized for the radial forces typical of high-speed spindles.

The motor uses a size 134 frame and winding code BS, which set the torque constant and permissible current. For applications using external braking or mechanical clamps, the motor is supplied without a holding brake, and there is no shaft seal ring to minimize friction at high rpm. The output journal is a plain shaft with no keyway, and the design omits a second shaft end so unused space can house the cooling channels.