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Rexroth MHD041B-144-PG1-UN Synchronous Servo Motor Product Introduction (Order Code: R911274054)
1. Overview
The Rexroth MHD041B-144-PG1-UN is a high-performance synchronous servo motor designed for precision motion control applications in industrial automation. Engineered for dynamic response, energy efficiency, and robustness, this motor integrates advanced magnetic design and thermal management to deliver exceptional torque density and reliability. It is ideal for use in machine tools, packaging systems, robotics, and material handling equipment where high accuracy and low maintenance are critical.
2. Technical Specifications
Parameter
Value
Model
MHD041B-144-PG1-UN
Order Code
R911274054
Moment of Inertia (JM)
1.7 × 10⁻⁴ kg·m²
Theoretical Max Torque (Mmax)
11.3 Nm
Mass
4.5 kg
Ambient Temperature Range
0–40°C (operating), -20–80°C (storage)
Protection Class
IP65
Rated Voltage (UN)
163–165 V
Rated Frequency (fN)
200 Hz
Peak Current (Imax)
36.3 A
Torque Constant (Km)
0.37 Nm/A (crest), 0.74 Nm/A (RMS)
Winding Resistance (R12)
1.8 Ω (at 20°C)
Number of Pole Pairs
3
3. Key Features
High Torque Density: Delivers 11.3 Nm peak torque in a compact 4.5 kg frame, enabling space-saving integration.
Thermal Efficiency: Natural cooling design with IP65 protection ensures reliable operation in harsh environments.
Precision Feedback: Compatible with digital servo encoders (e.g., Hiperface DSL) for sub-micron positioning accuracy.
Dynamic Response: 6000 rpm characteristic speed and low rotor inertia support rapid acceleration/deceleration.
Environmental Robustness: Operates at altitudes up to 1000 m and withstands vibration per DIN EN 60034-7.
4. Electrical & Mechanical Design
Winding Configuration: Optimized for low inductance (4.9 mH) and high overload capacity (36.3 A peak current).
Shaft Design: Plain shaft with shaft sealing ring for compatibility with gearboxes or direct-drive systems.
Connector System:
Power: INS0481 connector for secure high-current transmission.
Encoder: Angular or straight cables (e.g., IKS4042/002.5) for flexible feedback integration.
Mounting: Flange-mounted per DIN 42948, with M6 screws tightened to 10 Nm torque.
5. Installation & Commissioning
Step 1: Mounting
Align the motor flange with the drive system using a 4-point M6 screw pattern.
Tighten screws to 10 Nm ±10% using a torque wrench.
Step 2: Electrical Connections
Connect the power cable (e.g., IKG4055/005.0) to the INS0481 terminal.
Attach the encoder cable to the Hiperface DSL port, ensuring IP65 sealing.
Step 3: Parameterization
Configure the drive controller (e.g., HDS02) with motor-specific parameters:
Rated voltage: 163 V
Pole pairs: 3
Torque constant: 0.74 Nm/A (RMS)
6. Maintenance & Service
Cooling System: Clean cooling ribs monthly with compressed air to prevent thermal derating.
Bearing Service: Replace bearings every 30,000 hours (L10h) or if abnormal noise occurs.
Connection Audit: Inspect cables biannually for wear, particularly in high-flex applications.
Brake Testing: Verify holding brake functionality quarterly using the controller’s diagnostic interface.
7. Environmental & Safety Compliance
Certifications: CE marked, cUR listed (UL 508C).
Safety: Integrated undervoltage detection for brake control; complies with EN ISO 13849-1.
EMC: Meets EN 61800-3 for electromagnetic compatibility.
8. Applications
CNC Machining: Spindle drives for high-speed milling.
Packaging Lines: Precision labeling and filling systems.
Robotics: Joint actuators in 6-axis industrial robots.
Printing Presses: Tension control for web handling.
9. Ordering Information
Standard Configuration: MHD041B-144-PG1-UN with Hiperface encoder.
Accessories:
Power cable set (IKG4055/005.0)
Angular encoder cable (IKS4042/002.5)
Mounting flange kit (DIN 42948)
Conclusion The Rexroth MHD041B-144-PG1-UN servo motor combines cutting-edge design with rugged durability, making it a versatile choice for demanding automation tasks. Its IP65 rating, high torque density, and compatibility with Bosch Rexroth’s drive systems ensure seamless integration and long-term reliability.
What Makes DF automation a Global Supplier of Automation Parts?
Are you looking for a supplier of automation parts that stocks and sources parts from 100+ listed manufacturers? If so, then df automation is the supplier for you! We specialize in supplying parts for industrial automatio...
What Makes DF automation a Global Supplier of Automation Parts?
Are you looking for a supplier of automation parts that stocks and sources parts from 100+ listed manufacturers? If so, then df automation is the supplier for you! We specialize in supplying parts for industrial automatio...
