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

• 3,000 RPM nominal speed – Balances high-speed operation with torque stability, ideal for CNC machines and heavy robotics.

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

• 2nd-gen R2 resolver – Delivers high-resolution position feedback for closed-loop control accuracy.

Technical Specifications

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

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

• Automated welding arms, heavy payload handling – The 10,000 Nm torque ensures stable movement under extreme loads.

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

• Adjusting blade angles under high wind loads – The high torque and rugged design make it ideal for renewable energy systems.

4. Mining & Construction Equipment

• Excavators, conveyor systems – The IP64 protection ensures durability in dusty, wet conditions.

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.