Product Details

FANUC A06B-0032-B175#7008 is βi-B2/3000 AC servo motor with keyway shaft and built-in holding brake, belonging to FANUC economical Beta servo family, compatible with βi servo amplifiers and FANUC 0i-MF, 0i-TD CNC systems. Compared with the A06B-0032-B075#7008 straight shaft version we listed before, the main difference lies in the keyway shaft structure, which is designed for pulley, timing belt and gear coupling installation scenarios to transmit torque reliably without slipping. The #7008 suffix indicates integrated spring-type electromagnetic brake, which locks the shaft position once servo power cuts off, preventing vertical Z-axis drop on vertical machining equipment. It runs on 200V three-phase AC, rated power 0.5kW, rated speed 3000rpm, fitted with A32B absolute encoder that retains position data after power loss and eliminates repeated homing operation.

This servo motor assembles stator, rotor, high-resolution absolute encoder and power-off brake inside a compact aluminum housing. The A32B absolute encoder sends precise angle feedback to the servo drive, supporting closed-loop position, speed and torque control for CNC feed axes. The built-in brake is power-release type, only releasing when brake excitation power is supplied, which is designed for static holding instead of dynamic braking. The shaft with standard keyway provides greater torque transfer security for belt-driven and gear-driven structures. Two separate locking connectors are arranged at the rear of the motor, one for encoder signal cable and one for three-phase power cable, with fixed pin definition for easy on-site wiring.

The motor front flange and shaft sealing structure reaches IP65 protection grade, resisting coolant splashes, cutting oil mist and fine metal dust in metal cutting workshops. The internal bearing set adopts long-life grease lubrication to adapt to continuous cyclic operation. The housing is optimized for heat dissipation, keeping stable temperature under long running hours. Users can configure servo gain, soft stroke limit and brake delay parameters on CNC to match gravity balance of vertical axes and motion characteristics of belt drive axes. It is widely selected by machine builders for feed axes that adopt belt transmission and require anti-slip torque transmission.

It serves as a direct replacement spare part for original keyway shaft Beta servo motors suffering from bearing abnormal noise, encoder signal loss, brake failure, shaft wear and winding burnout on CNC lathes, tapping machines and small vertical machining centers. Every unit will pass winding insulation test, encoder position reading test, brake holding force test and servo amplifier matching test before shipment, verifying stable speed regulation and reliable static locking performance. Replacing this keyway shaft servo motor can quickly restore the feed axis motion function, avoid machine shutdown caused by positioning deviation or vertical axis sliding. It is widely used in mold milling, automatic tapping, small CNC turning and other general precision machining equipment.