FANUC AC Servo Motor A06B-0235 (AiS8/4000) General Description The A06B-0235 is a high‑performance AC servo motor from FANUC’s Alpha i series, designated AiS8/4000. It is designed for precise motion control in CNC machine tools, industrial robots, and automation equipment, offering compact size, high torque density, and reliable operation. Key Specifications Model Number: A06B-0235 (AiS8/4000) Rated Output: 2.5 kW Rated Torque: 8 Nm Rated Speed: 4000 rpm Input Voltage: 3‑phase 200–240 V AC, 50/60 Hz Rated Current: 7 A (typical) Encoder: A64iA incremental encoder (absolute encoder optional) Protection Class: IP65 (standard), IP67 (optional) Weight: Approx. 9.6–10.4 kg Shaft Type: Tapered shaft (standard), straight shaft (optional) Brake: 90 V DC electromagnetic brake (optional) Common Model Variants A06B-0235-B000: Tapered shaft, no brake A06B-0235-B605: Tapered shaft, 90 V DC brake A06B-0235-B705: Straight shaft, 90 V DC brake A06B-0235-B805: Special shaft, 90 V DC brake Features High torque at low speed for precise positioning Smooth rotation and low noise for high‑accuracy applications Rugged construction for industrial environments Easy integration with FANUC CNC systems (0i, 30i/31i/32i series) Optional brake for holding position when power is off Applications CNC machining centers, lathes, and grinding machines Industrial robot axes (e.g., external axes for M‑410iB series) High‑speed automation equipment and transfer lines Precision positioning systems in manufacturing Installation & Operation Notes Mount the motor on a rigid base to avoid vibration Ensure correct wiring of power, encoder, and brake connections Operate within the specified voltage and current ranges to prevent damage Perform regular inspection of bearings and encoder for long‑term reliability