B&R 8LSA46.R2030D100-3 Synchronous Servo Motor: High Torque Precision for Demanding Applications
Introduction
The B&R 8LSA46.R2030D100-3 is a high-torque synchronous servo motor engineered for heavy-duty industrial automation, robotics, and precision motion control. With a stall torque of 10,000 Nm and a nominal speed of 3,000 RPM, this motor delivers exceptional power density and dynamic performance, making it ideal for applications requiring high torque at high speeds.
Unlike standard servo motors, the 8LSA46.R2030D100-3 features a 5-pole-pair design, enhancing torque efficiency while minimizing energy losses. Its self-cooling (Type A) construction, IP64 protection, and robust mechanical design ensure reliable operation in harsh industrial environments.
This article provides an in-depth analysis of the motor’s technical specifications, performance advantages, and key applications, along with a comparison against competing models.
Key Features & Innovations
1. Unmatched Torque Performance
10,000 Nm stall torque – One of the highest in its class, enabling high-load acceleration and precise motion control.
5 pole pairs (10 poles) – Optimized for high torque density and smooth operation at varying speeds.
2. High-Speed Capability
3. Robust Mechanical Design
Shaft with keyway – Ensures secure coupling with mechanical systems, preventing slippage under heavy loads.
Centering diameter 95 mm (j6 fit) – Provides excellent shaft alignment and reduced vibration.
4. Advanced Cooling & Protection
Self-cooling (Type A) – Eliminates the need for external cooling, reducing maintenance.
IP64 protection – Resists dust ingress and water splashes, suitable for demanding factory environments.
5. Precision Feedback System
Technical Specifications
| Parameter | Specification |
|---|
| Motor Type | Synchronous Servo Motor (Permanent Magnet) |
| Number of Pole Pairs | 5 pairs (10 poles) |
| Nominal Speed | 3,000 RPM |
| Stall Torque | 10,000 Nm |
| Brake Option | Without brake (Holding torque: 0.00 Nm) |
| Shaft Type | Keyed shaft (for secure torque transmission) |
| Connector Type | Angled connector (solved for easy cable routing) |
| Centering Diameter | 95 mm, j6 fit (precision alignment) |
| Cooling Method | Self-cooling (Type A) |
| Protection Rating | IP64 (dust-tight, protected against water jets) |
| Voltage Rating | 360 VDC |
| Feedback System | 2nd-gen R2 resolver (high accuracy) |
| Oil Seal | Not included |
Performance Advantages Over Competing Motors
1. Superior Torque-to-Size Ratio
The 10,000 Nm torque at 3,000 RPM outperforms many industrial servo motors in the same power range.
Competitors often require larger frames or forced cooling to achieve similar performance.
2. Enhanced Durability in Harsh Environments
The IP64 rating ensures long-term reliability in dusty or humid conditions, unlike standard IP54 motors.
The self-cooling design reduces failure risks compared to liquid or forced-air cooling systems.
3. Precision Motion Control
The R2 resolver provides high-resolution feedback, critical for CNC machining, robotics, and automated assembly.
The 5-pole-pair design minimizes cogging torque, ensuring smooth operation at low speeds.
Comparison with Competing Models
| Feature | B&R 8LSA46.R2030D100-3 | Competitor X | Competitor Y |
|---|
| Stall Torque | 10,000 Nm | 7,500 Nm | 8,200 Nm |
| Nominal Speed | 3,000 RPM | 2,500 RPM | 2,800 RPM |
| Cooling System | Self-cooling (Type A) | Forced air | Liquid cooling |
| Protection Rating | IP64 | IP54 | IP65 |
| Feedback System | R2 Resolver (2nd-gen) | Incremental Enc. | Sine/Cosine Enc. |
Key Takeaways:
✔ Higher torque & speed than competing models.
✔ More reliable cooling (no external fans or pumps needed).
✔ Better suited for harsh industrial environments (IP64 vs. IP54).
Typical Applications
1. Heavy Industrial Robotics
2. CNC Machining & Metal Forming
High-speed milling, lathes, and presses – The 3,000 RPM speed and precise resolver feedback enable ultra-accurate cutting.
3. Wind Turbine Pitch Control
4. Mining & Construction Equipment
Conclusion: Why Choose the B&R 8LSA46.R2030D100-3?
The B&R 8LSA46.R2030D100-3 stands out as a high-torque, high-speed servo motor designed for the most demanding automation tasks. Its 10,000 Nm stall torque, self-cooling design, and IP64 protection make it a superior choice over competing models.
Key Benefits:
✅ Unmatched torque density – Ideal for heavy-load applications.
✅ High-speed precision – Perfect for CNC and robotics.
✅ Low maintenance – No external cooling required.
✅ Industrial durability – Resists dust, moisture, and vibrations.
For engineers seeking a reliable, high-performance servo motor, the 8LSA46.R2030D100-3 delivers power, precision, and longevity in one robust package.
