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ABB BSM63N-175SAX AC Servo Motor 

1. Key Parameters

• Product Model: BSM63N-175SAX (standard identifier for ABB BSM N-series AC servo motors)
• Product Series: BSM N-series (ABB’s compact, high-torque brushless AC servo motor lineup)
• Core Function: High-precision rotational motion output for automated systems; paired with servo drives for closed-loop speed/position/torque control
• Electrical Ratings:
  • Rated Power (Pₙ): 0.4kW (0.53hp)
  • Rated Voltage (Uₙ): 300V DC (via servo drive rectification; compatible with 1-phase/3-phase AC input drives)
  • Rated Current (Iₙ): 2.1A (continuous operation at rated load)
  • Peak Current (Iₚₑₐₖ): 6.3A (1-minute duty cycle, for dynamic load conditions)
• Torque & Speed Ratings:
  • Rated Continuous Torque (Tₙ): 1.27N·m
  • Peak Torque (Tₚₑₐₖ): 3.81N·m (3× rated torque, for acceleration/deceleration or short-term overloads)
  • Rated Speed (nₙ): 3000rpm
  • Maximum Speed (nₘₐₓ): 6000rpm (with servo drive limitation)
• Encoder (Built-in):
  • Type: Incremental encoder
  • Resolution: 2500 pulses per revolution (PPR); supports drive-based interpolation for higher precision
  • Signal Output: Differential RS422 (A, /A, B, /B, Z, /Z) + commutation signals (U, /U, V, /V, W, /W)
• Mechanical Specifications:
  • Frame Size: 63mm (flange diameter, compact design for space-constrained installations)
  • Shaft Diameter: 12mm (solid shaft, keyway design for torque transmission)
  • Shaft Extension Length: 25mm
  • Mounting Type: Flange mounting (IEC standard, 4-bolt pattern)
  • Protection Class: IP54 (dust-proof, splash-proof; suitable for harsh industrial environments)
• Environmental Ratings:
  • Operating Temperature Range: -10℃~+60℃ (5℉~140℉); derating required above 40℃ (10% torque reduction per 10℃)
  • Storage Temperature Range: -40℃~+85℃ (-40℉~185℉)
  • Vibration Resistance: 10~2000Hz, 10g acceleration (IEC 60068-2-6)
  • Shock Resistance: 50g acceleration (11ms duration, IEC 60068-2-27)
• Compliance Standards: IEC 60034-1 (rotating electrical machines), IEC 61800-3 (EMC for adjustable speed drives), UL 1004 (electrical safety)

2. Product Features

• High Torque Density: Delivers 1.27N·m rated torque in a compact 63mm frame—ideal for applications with limited installation space (e.g., small robotic arms, precision linear stages).
• Smooth Low-Speed Operation: Brushless design eliminates commutator wear and electromagnetic interference (EMI), ensuring stable operation at low speeds (≤50rpm) with minimal torque ripple (<5% at rated speed)—critical for precision tasks like laser cutting or micro-assembly.
• Built-In High-Precision Encoder: 2500 PPR incremental encoder with differential signals enables sub-millimeter positioning accuracy; integrated commutation signals simplify drive integration and reduce system complexity.
• Wide Speed Range: 3000rpm rated speed and 6000rpm maximum speed support both high-speed machining (e.g., small fans) and low-speed precision control (e.g., dispensing equipment).
• Robust IP54 Protection: Dust-proof and splash-proof construction withstands coolant splashes, dust, and oil mist in manufacturing environments (e.g., CNC workshops, packaging lines)—extending service life with minimal maintenance.
• Energy Efficiency: High copper fill factor in the stator and optimized magnetic circuit design reduce energy loss (efficiency class: IE3), lowering operational costs for long-term continuous operation.
• Seamless Drive Compatibility: Optimized for ABB ACS800 or ACSM1 servo drives—ensuring perfect electrical matching, fast commissioning, and full utilization of control features (e.g., torque limiting, position profiling).

3. Application Fields

• Industrial Robotics: Powers small robotic joints (e.g., pick-and-place robots, collaborative robots) in electronics assembly and automotive component manufacturing—enabling precise, repeatable movements.
• Precision Machinery: Drives CNC micro-mills, engraving machines, and 3D printers—supporting high-accuracy material processing with minimal vibration.
• Packaging Equipment: Controls servo axes in labeling machines, small filling systems, and blister packaging equipment—ensuring synchronization with conveyor speeds and reducing packaging errors.
• Medical Devices: Operates in diagnostic equipment (e.g., sample handlers, centrifuges) and surgical robots—meeting strict requirements for low noise, high precision, and reliability.
• Semiconductor Manufacturing: Drives wafer handling robots and inspection stages—providing ultra-smooth motion to avoid damage to delicate semiconductor wafers.
• Material Handling: Powers small linear actuators and AGV (Automated Guided Vehicle) drive systems in warehouses—enabling precise positioning for load transport.

4. Precautions

• Drive Compatibility: Use exclusively with ABB-approved servo drives (e.g., ACS800, ACSM1) – mismatched drives may cause overcurrent, overheating, or damage to the motor’s windings or encoder.
• Torque/Speed Limitations: Do not exceed the 3.81N·m peak torque (1-minute duty) or 6000rpm maximum speed—sustained overloads will degrade insulation and shorten motor life.
• Installation Safety: Ensure the motor is properly grounded (protective earth terminal) to prevent electric shock; use torque wrenches to tighten flange bolts (per ABB specifications: 8 N·m) to avoid misalignment and vibration.
• Wiring Best Practices: Use shielded cables for power (minimum 1.5mm² copper) and encoder signals (24 AWG twisted-pair); route encoder cables separately from power cables (≥30cm spacing) to minimize EMI.
• Environmental Protection: Avoid exposure to direct water jets (IP54 is splash-proof, not waterproof) or corrosive gases (e.g., sulfur, chlorine); install in a ventilated area to maintain operating temperature below 60℃.
• Maintenance & Inspection: Periodically check for abnormal noise/vibration (indicative of bearing wear) and clean the motor surface to remove dust; replace the motor if winding resistance deviates by >10% from the factory value (measured via multimeter)

The structure and details of the product：

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