Main Technical Specifications

• Series: α2 (Alpha 2/3000) compact AC servo motor

• Model: A06B-0373-B677#7008 (with brake, TPR shaft, #7008 encoder)

• Rated Continuous Output Power: 0.5 kW

• Rated Continuous Torque: 1.5 Nm; Maximum Torque: 4.5 Nm

• Rated Speed: 3000 rpm; Maximum Speed: 3000 rpm

• Rated Voltage: Three-phase 129 V AC (200 Hz)

• Rated Current: 2.6 A; Peak Current: 5.7 A

• Feedback Encoder: Built-in αi64 incremental encoder (2500 ppr), #7008 special spec (enhanced shielding for EMI resistance)

• Shaft: Tapered shaft (TPR) with keyway

• Brake: Integrated 24 V DC holding brake (static holding only)

• Cooling: Natural convection (self-cooled)

• Protection Class: IP67 (dust-tight, waterproof)

• Insulation Class: F (155 °C)

• Rotor Inertia: 0.00042 kg·m²

• Approximate Weight: 5.0 kg

Product Features

• Compact & Sturdy Build: 5.0 kg mass and rigid frame balance power with installation flexibility, suitable for medium-load compact layouts.

• High Torque Density: Delivers 1.5 Nm continuous torque at 3000 rpm, optimized for high-speed, medium-load tasks in CNC and automation.

• Tapered Shaft with Keyway: Ensures zero-backlash coupling and secure motion transmission, minimizing vibration during operation.

• 24 V DC Holding Brake: Maintains load position during power-off, preventing drift in vertical axes and enhancing system safety.

• #7008 Enhanced Encoder: 2500 ppr incremental encoder with improved shielding, ensuring stable position feedback in high EMI industrial environments.

• IP67 Protection: Sealed housing resists dust, coolant, and oil mist, ensuring reliability in harsh workshop conditions.

• Low Inertia Rotor: Enables fast acceleration/deceleration (0–3000 rpm in <12 ms) and smooth low-speed operation for precise motion control.

• Wide Compatibility: Matches FANUC αiSV series 129 V servo amplifiers and 0i‑C/D series CNC systems for plug-and-play integration.

Application Scope

• CNC Machine Tools: Medium CNC lathes, milling machines, and vertical machining centers for X/Y/Z feed axes.

• Industrial Robotics: Medium-duty robot arms, SCARA robots, and gantry robots requiring brake-equipped joints.

• Automation Equipment: Packaging machinery, material handling systems, and assembly lines needing precise positioning with load holding.

• Special Machinery: Laser cutters, precision positioning stages, and automated testing equipment in high EMI environments.

Installation Instructions

• Mount the motor on a rigid, flat base to avoid resonance and shaft misalignment.

• Keep the mounting flange clean, flat, and free of debris to ensure full contact.

• Align the tapered shaft with the load; use a dedicated tapered coupling to prevent slippage.

• Tighten flange bolts evenly to 3.5 Nm torque to avoid housing distortion.

• Reserve 50 mm clearance around the motor for ventilation, encoder/brake wiring, and maintenance.

• For brake models, verify the 24 V DC brake functionality before applying load.

Wiring Requirements

• Perform all wiring with power disconnected to avoid electric shock.

• Use FANUC-approved power, encoder, brake, and ground cables (AWG18–20).

• Connect three-phase power (U, V, W), protective earth (PE), and 24 V DC brake terminals securely.

• Route encoder cables separately from power/brake cables (≥10 cm) to minimize EMI.

• Follow FANUC’s official wiring diagram for correct encoder polarity and brake operation.

• Torque all terminal screws to 1.5 Nm to prevent loose connections.

Working Environment

• Operating Temperature: 0 °C to +40 °C

• Storage Temperature: −20 °C to +60 °C (non-condensing)

• Humidity: ≤80% RH (non-condensing)

• Altitude: ≤1000 m (derate output 1% per 100 m above 1000 m)

• Atmosphere: Free of corrosive gases, explosive dust, or excessive oil mist

Maintenance Instructions

• Every 3 Months: Disconnect power, clean dust/oil from housing and brake assembly with a dry cloth.

• Every 6 Months: Check mounting bolts, coupling tightness, encoder connectors, and brake wiring for security.

• Every 12 Months: Inspect bearings for abnormal noise/vibration; replace bearings if noise occurs.

• Monthly (Brake Models): Test brake holding torque and release function under no-load conditions.

• Quarterly: Use CNC diagnostic tools to verify encoder signal quality and position stability.

• No Unauthorized Disassembly: Do not disassemble the motor, encoder, or brake privately; unauthorized disassembly voids the warranty.

Safety Precautions

• Only qualified personnel may install, wire, or maintain the motor and brake system.

• Disconnect all power (main and brake) before maintenance; wait 5 minutes for capacitors to discharge.

• Never touch the rotating shaft, live electrical components, or brake parts during operation.

• Ensure reliable grounding (≤4 Ω) to prevent electric shock and reduce EMI.

• Do not modify the motor’s internal structure, encoder configuration, or brake wiring arbitrarily.

• The holding brake is for static holding only; do not use it for dynamic braking or emergency stops.