Danfoss 51 Series Variable Displacement Motorsare high-performance axial-piston variable hydraulic motors developed by Danfoss to meet the demands for efficient and reliable power transmission in industrial and mobile equipment applications. Below is a detailed introduction to this series:
I. Core Features
1. Variable Displacement Design
• Enables dynamic adjustment of displacement for precise control of speed and torque to accommodate varying load requirements.
• Supports reversible rotation and adaptive power output, enhancing application flexibility.
2. High Efficiency & Reliability
• Advanced hydraulic design minimizes internal leakage and friction losses, optimizing energy conversion efficiency.
• Robust construction ensures long-term stable operation under extreme temperatures, vibrations, and contaminants.
3. Compact & Lightweight
• Space-saving design facilitates easy integration into various equipment.
• Lightweight construction improves mobility and energy efficiency for mobile applications.
4. Flexible Control Options
• Compatible with mechanical, hydraulic, or electro-hydraulic proportional control (e.g., Danfoss Plus+1® system).
• Supports pressure-compensated priority control for load-independent stable performance.
II. Technical Specifications
1. Displacement Range
• Available in multiple models with displacements ranging from60 ccm to 250 ccm, meeting diverse power requirements.
• Minimum displacement as low as12 ccmand maximum up to168 ccm, adaptable to various operating conditions.
2. Control Methods
• Supports hydraulic two-position variable control, pilot-controlled oil supply, pressure-compensated priority control, and other modes.
• Control methods can be selected via codes (e.g., N2, E1, E2, F1) to match specific needs.
3. Mounting & Ports
• Offers SAE standard, DIN standard, and cartridge-style mounting flanges for compatibility with diverse installation requirements.
• Ports comply with ISO 11926/1 standards, equipped with O-ring seals and imperial threads for reliable sealing.
III. Application Areas
1. Construction Machinery
• Primary drive systems for excavators, loaders, and concrete pumps, delivering high-efficiency power output.
2. Material Handling
• Core power components for forklifts, cranes, and conveyor systems, enabling precise control.
3. Agricultural Machinery
• Hydraulic transmission systems for tractors, harvesters, and sprayers, enhancing operational efficiency.
4. Industrial Automation
• Power sources for machine tools, presses, and robotic systems, supporting high-speed, high-precision motion control.
5. Marine & Offshore Engineering
• Key components for winches, deck machinery, and propulsion systems, adaptable to harsh marine environments.
IV. Advantages Summary
1. Superior Dynamic Performance
• Variable displacement adjustment ensures optimal efficiency under fluctuating loads.
2. Exceptional Durability
• Shock-resistant and vibration-resistant design extends service life and reduces maintenance costs.
3. Seamless Integration Flexibility
• Fully compatible with Danfoss hydraulic systems, supporting customized solutions.
This series exemplifies Danfoss's commitment to innovation and reliability, delivering cutting-edge hydraulic solutions tailored to the evolving needs of modern machinery.