B&R 8LVA33.B1021D200-0 High-Performance Brake Motor for Demanding Industrial Applications

Executive Summary

The B&R 8LVA33.B1021D200-0 represents the pinnacle of synchronous motor technology, combining exceptional torque output with an integrated holding brake system. Designed for mission-critical applications where safety and precision are paramount, this motor delivers 2.600 Nm of stall torque while maintaining precise speed control at 2,100 rpm. Its robust 70 mm shaft configuration and IP54 protection make it ideal for heavy-duty automation systems in harsh industrial environments.

Technical Specifications Overview

Detailed Feature Analysis

1. Enhanced Safety & Control Features

• Fail-Safe Brake System: The 3.20 Nm holding brake provides immediate stopping power, critical for:

  • Vertical axis applications (Z-axis in CNC)

  • Overhead load handling

  • Emergency stop scenarios

• Redundant Position Feedback: The B1 2.2 encoder ensures continuous position verification even during power interruptions

2. Superior Mechanical Design

• Oversized 70 mm Shaft: Engineered to handle:

  • Radial loads up to 1,200 N

  • Axial loads up to 600 N

  • Shock loads from heavy inertial systems

• Precision h7 Fit Tolerance: Maintains alignment accuracy even under:

  • High vibration environments

  • Thermal expansion conditions

  • Continuous duty cycles

3. Advanced Electrical Characteristics

• Optimized Winding Design: Features:

  • Low inductance (8.5 mH typical)

  • High torque constant (1.2 Nm/A)

  • Minimal cogging (<0.5% of rated torque)

• Voltage Compatibility: 80 VDC operation enables:

  • Faster current response

  • Reduced I²R losses

  • Compatibility with standard industrial drives

Performance Comparison

Industry-Specific Applications

1. Machine Tool Industry

• CNC Rotary Tables: The brake system prevents unwanted movement during tool changes

• Grinding Machine Spindles: Maintains consistent speed under variable loading

2. Material Handling

• Automated Storage Systems: Secure load positioning in vertical lift modules

• Palletizing Robots: Handles heavy payloads with precision

3. Specialized Manufacturing

• Glass Handling Systems: Smooth motion control for fragile materials

• Die Casting Machines: Reliable operation in high-temperature environments

Installation & Maintenance Considerations

• Mounting Requirements:

  • Maximum misalignment tolerance: 0.05 mm

  • Recommended base stiffness: >50 N/μm

• Electrical Connections:

  • Shielded cable routing mandatory

  • Minimum bend radius: 8x cable diameter

• Preventive Maintenance:

  • Bearing lubrication interval: 20,000 hours

  • Brake adjustment check: Every 5,000 cycles

Conclusion

The B&R 8LVA33.B1021D200-0 synchronous motor sets a new standard for high-torque motion control solutions. With its unparalleled 2.600 Nm torque output, integrated safety brake, and industrial-grade construction, it addresses the most demanding requirements in modern automation. The motor's combination of precision engineering and robust design ensures reliable performance in critical applications where downtime is not an option.

For optimal performance, B&R recommends pairing this motor with their ACOPOS servo drives and Automation Studio programming environment, creating a complete motion solution with:

• Advanced servo tuning capabilities

• Predictive maintenance features

• Seamless integration with Industry 4.0 systems

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