MKD071B-061-KG1-KN

Description

1. Product Description

2. Product Parameters

Parameter	Value
Rated Power	4.3 kW
Rated Voltage	3-phase, 400 V (±10%)
Rated Current	13.2 A
Speed Range	0–6,000 rpm
Peak Torque	32 N·m
Continuous Torque	8 N·m
Encoder Type	Resolver (analog feedback)
Protection Class	IP65 (dust-tight and water-resistant)
Cooling Method	Natural convection
Weight	18 kg
Compatibility	Rexroth IndraDrive, ctrlX Drive, and third-party controllers via Profinet, EtherCAT, Modbus RTU
Operating Temperature	-20°C to +40°C (non-condensing)
Winding Resistance	1.45 Ω (at 20°C)
Winding Inductance	8.6 mH (rated current)

MKD071B-061-KG1-KN

3. Advantages and Features

• High Reliability: Built with rugged materials and tested for over 40,000 hours of continuous operation under extreme conditions, the MKD071B-061-KG1-KN offers minimal downtime, making it suitable for 24/7 industrial workflows.
• Precision Motion Control: The resolver feedback system provides stable and accurate position tracking, with a resolution that ensures positioning accuracy within ±0.1°, critical for applications requiring sub-millimeter precision.
• Energy Efficiency: With an efficiency rating of 94%, the motor exceeds IE4 standards, reducing energy consumption by up to 20% compared to older models and lowering long-term operational costs.
• Flexible Installation: Rotatable electrical connectors (240° adjustment) allow easy setup in confined spaces, while a modular design supports optional accessories like holding brakes, fans, or corrosion-resistant coatings for specialized environments.
• Robust Environmental Resistance: The IP65 protection rating shields the motor from dust ingress and water jets, making it suitable for harsh industrial settings where other motors might fail due to contamination or moisture.

4. Application Areas and Case Studies

Industry Applications

• Manufacturing: Used in CNC machines, robotic arms, and assembly lines for precise material handling, welding, and component placement.
• Packaging: Ideal for high-speed labeling, sorting, and filling machines, ensuring consistent throughput and accuracy in packaging processes.
• Material Handling: Supports conveyor systems, automated storage and retrieval systems (AS/RS), and logistics equipment, enabling smooth and reliable load transportation.
• Robotics: Powers collaborative robots (cobots) and industrial robots in automotive and electronics industries, delivering smooth motion and high repeatability.

Case Study

5. Competitor Comparison

• Superior Torque Density: Delivers 20% more peak torque than comparable models in its power class, enabling it to handle heavier loads and faster acceleration without compromising precision.
• Enhanced Protection: The IP65 rating offers better dust and water resistance than the typical IP54 found in many competing products, making it a more reliable choice for harsh environments.
• Stable Feedback System: The resolver encoder provides analog feedback that is less susceptible to electromagnetic interference (EMI) compared to digital encoders used in some alternatives, ensuring consistent performance in noisy industrial settings.
• Cost-Effective Operation: While featuring a competitive initial cost, the motor’s energy efficiency and long service life result in a lower total cost of ownership compared to models with higher maintenance or energy consumption requirements.
  

  MKD071B-061-KG1-KN

6. Selection Recommendations

• Load Requirements: Ensure the motor’s continuous torque (8 N·m) and peak torque (32 N·m) match your application’s mechanical demands, especially for tasks involving sudden load changes or high-inertia loads.
• Environmental Conditions: If operating in extreme temperatures, dusty environments, or areas with frequent water exposure, utilize optional coatings or cooling solutions to maintain performance and extend service life.
• Control System Compatibility: Verify that your drive system supports resolver feedback and compatible communication protocols (e.g., Profinet, EtherCAT) to ensure seamless integration without additional hardware or software adjustments.
• Budget and Lifespan: Balance the motor’s initial investment with its long-term benefits, such as energy savings and reduced maintenance. Its robust design justifies higher upfront costs in applications where reliability and precision are critical.

7. Precautions

• Installation: Follow Rexroth’s guidelines for proper mounting to ensure mechanical alignment and secure fastening, reducing the risk of vibration or misalignment that could damage the motor or connected components.
• Electrical Safety: Always disconnect power before installing or servicing the motor. Use shielded cables for encoder and power connections to minimize EMI and ensure signal integrity.
• Maintenance: Regularly inspect the motor for signs of wear, such as unusual noise, overheating, or bearing play. Clean external surfaces to prevent dust accumulation that may affect thermal performance, and lubricate moving parts according to the manufacturer’s schedule.
• Environmental Compliance: Ensure the motor meets local safety standards (e.g., CE, UL) and avoid exposing it to flammable gases, corrosive substances, or excessive vibrations that could compromise its protection rating or mechanical integrity.