Bosch Rexroth MHD112B-024-NP1-BN Servo Motor Product Introduction

Overview

The Bosch Rexroth MHD112B-024-NP1-BN (Order Code: R911284632) is a high-precision synchronous servo motor designed for demanding industrial automation applications. Part of the MHD series, this motor combines robust construction with advanced thermal management to deliver reliable performance in environments requiring precise motion control. Its natural cooling design and IP65 protection make it suitable for diverse industries, from packaging to food processing.

Technical Specifications

Key Features

1. Natural Cooling Efficiency:
   • Eliminates external cooling systems, reducing energy consumption and maintenance complexity.
   • Suitable for compact installations where space is limited.
2. High Dynamic Response:
   • Rated torque of 10.1 Nm and peak current of 59.0 A enable rapid acceleration/deceleration.
   • Ideal for applications requiring frequent starts/stops, such as pick-and-place systems.
3. Integrated Safety:
   • 22.0 Nm holding brake ensures secure load retention during power-off conditions.
   • IP65-rated housing protects against dust and liquid ingress.
4. Precision Control:
   • Digital Servo Feedback (HSF) encoder provides sub-micron positioning accuracy.
   • Relative position detection supports synchronization in multi-axis systems.
5. Low Maintenance Design:
   • Brushless construction minimizes wear.
   • Lifetime lubricated bearings reduce service intervals.

Applications

The MHD112B-024-NP1-BN excels in:

• Packaging Machinery:
  • Drives conveyor belts and labeling systems with millimeter accuracy.
  • Enables high-speed packaging of fragile items in food and pharmaceutical industries.
• Printing Systems:
  • Controls print head movement in digital presses, ensuring sharp text/image alignment.
  • Withstands vibrations in offset printing equipment.
• Food Processing:
  • Powers mixer blades and cutter modules in washdown environments.
  • Resists corrosion from cleaning agents in meat processing plants.
• Textile Machinery:
  • Regulates tension in yarn winding systems.
  • Operates reliably in humid textile mill atmospheres.
• Material Handling:
  • Drives robotic arms in automated warehouses.
  • Provides precise positioning for palletizing robots.

Design Advantages

• Compact Form Factor:
  • Frame size 112 and length B allow integration into tight spaces.
  • Flange-mounted design simplifies alignment with gearboxes.
• Energy Efficiency:
  • Natural cooling reduces power waste compared to forced-air systems.
  • High torque-to-current ratio (1.28 Nm/A) minimizes energy use.
• Compatibility:
  • Works seamlessly with Bosch Rexroth’s IndraDrive controllers.
  • Supports digital communication protocols (e.g., SERCOS, EtherCAT).
• Thermal Stability:
  • Operating temperature range: 0°C to 40°C.
  • Maintains performance under 1000m altitude conditions.

Comparison with Previous Models

Unlike earlier MHD series motors (e.g., MHD112B-024-NP1-AN), the MHD112B-024-NP1-BN features:

• Natural Cooling: Eliminates liquid cooling lines, simplifying installation.
• Reduced Peak Current: 59.0 A vs. 98.0 A in comparable models, enhancing energy efficiency.
• Enhanced Encoder Resolution: Improved HSF system for sub-arc-second positioning.

Maintenance and Service

• Long Service Life:
  • Sealed construction and corrosion-resistant materials extend operational lifespan.
  • Natural cooling prevents thermal degradation of windings.
• Ease of Service:
  • Modular design allows quick replacement of connectors or brakes.
  • Diagnostic-friendly encoder feedback simplifies troubleshooting.

Conclusion

The Bosch Rexroth MHD112B-024-NP1-BN servo motor is a versatile solution for industrial automation, offering a balance of power, precision, and durability. Its natural cooling design and IP65 rating make it suitable for harsh environments, while the integrated holding brake and digital feedback ensure safety and accuracy. With proven performance in sectors like packaging, printing, and food processing, this motor exemplifies Rexroth’s commitment to innovation in motion control.