Danfoss H1B Series Variable Displacement Motors
TheDanfoss H1B Seriesrepresents a line of high-performance bent-axis variable displacement piston motors manufactured by Danfoss. Below is a detailed introduction to this series of motors:
I. Product Features
1. Bent-Axis Integrated Spherical Piston Design:
• The H1B series motors employ a bent-axis integrated spherical piston design, ensuring enhanced reliability and durability.
2. Multiple Control Modes:
• Support various control methods, including electro-proportional control, electro-two-position control, hydraulic-proportional control, and hydraulic-two-position control, catering to diverse application requirements.
• Optional configurations with pressure compensation override (PCOR) and brake pressure disable (BPD) enhance system flexibility and safety.
3. High Displacement Ratio and High-Speed Output Capability:
• The H1 series motors feature a high maximum/minimum displacement ratio (e.g., 5:1) and superior high-speed output capabilities, suitable for applications requiring a wide speed range and high rotational speeds.
4. Extended Functionality and High Performance:
• Integrated high-pressure relief valves reduce peak pressure, protecting the system from excessive pressure.
• External oil supply ports prevent cavitation, enhancing system stability and reliability.
• A maximum angle of 32° facilitates improved machine performance, such as anti-skid control for auxiliary drives in vehicles with high inertia.
5. Modular Design and Easy Installation:
• The component system design allows for single-piece installation, simplifying the installation process and improving efficiency.
• Multiple flange and port configuration options, such as SAE and DIN flanges, facilitate easy integration with various systems.
II. Technical Specifications
1. Displacement Range:
• The H1B series motors offer a variety of displacement options, including 60 cm³/rev, 80 cm³/rev, 110 cm³/rev, 160 cm³/rev, 210 cm³/rev, and 250 cm³/rev, meeting diverse application needs.
2. Operating Pressure:
• System pressure: Typically up to 350 bar (5076 psi).
• Maximum operating pressure: Some models can reach up to 420 bar (6092 psi).
3. Flow Rate and Rotational Speed:
• Nominal flow rate: Some models can achieve up to 400 l/min (106 US gal/min).
• Rotational speed range: Varies depending on the model and application scenario, but generally covers a wide range from low to high speeds.
4. Weight and Dimensions:
• Weight varies by model and configuration, e.g., the H1B 210cc model weighs approximately 81 kg + 15 kg (with a balancing valve).
• Dimensions also vary by model and flange configuration, with detailed dimension drawings and technical specifications available for user reference.
III. Application Areas
1. Construction Machinery:
• Suitable for drive systems in excavators, loaders, rollers, and other construction machinery.
• Utilizes the high-speed output capability and wide speed range of H1B motors to achieve efficient operation and precise control.
2. Agricultural Machinery:
• Applicable to drive systems in combine harvesters, pesticide sprayers, and other agricultural machinery.
• Enhances operational efficiency and stability through anti-skid control and optimized multi-motor parallel drive systems.
3. Industrial Vehicles:
• Suitable for drive systems in forklifts, stackers, and other industrial vehicles.
• Simplifies the integration and maintenance of vehicle drive systems by leveraging the modular design and easy installation features of H1B motors.
4. Other Fields:
• Also applicable in marine propulsion, mining machinery, oil and gas, and other sectors, meeting the demand for high-performance hydraulic motors across various industries.