Energy-Saving Hydraulic Power Unit
2 month ago
Product details
Hydraulic Station with 1 to 5 Output Circuits
Features & Applications:
1. Horizontalum Installation: Reduces the overall height of the pump station for easier customer installation.
2. 1 to 5 Output Circuits: Uniform mounting dimensions to accommodate a wider range of machine models.
3. 25-Liter Oil Tank Capacity.
4. Drives: Hydraulic chuck, turret, tailstock, steady rest, and spindle locking.
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Dual-Pressure Pneumatic/Hydraulic Station Function Overview
【表格】
High-Pressure Applications (10 MPa) Low-Pressure Applications (4 MPa)
Tailstock Locking Hydraulic Chuck
Spindle Locking Hydraulic Steady Rest
Turret (Tailstock Integration)
Energy-Saving Hydraulic Power Unit (HPU): Core Principles, Technical Features, Applications, and Advantages
AnEnergy-Saving Hydraulic Power Unit (HPU)is a hydraulic system designed to reduce energy consumption and enhance efficiency through optimized design and technological innovation. Below is a detailed breakdown of its core principles, technical features, applications, and advantages.
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I. Core Energy-Saving Principles
1. Variable Displacement Pumps & Load-Sensing Control
• Variable displacement pumps (e.g., axial piston pumps) replace traditional fixed-displacement pumps, adjusting flow rates based on actual system demand to eliminate high-pressure overflow losses.
• Load-sensing (LS) systems use pressure compensation valves to dynamically match load requirements, further minimizing energy waste.
• Effect: Energy savings of30%–50%compared to fixed-displacement pump systems.
2. Variable Frequency Drive (VFD) Technology
• VFDs regulate motor speed to align pump output with system demand, preventing "over-driving" during light-load or low-speed operations.
• Effect: Reduces motor power consumption by20%–40%in partial-load conditions.
3. Energy Recovery & Reuse
• During braking or descending operations, hydraulic energy is recovered via accumulators or regenerative braking systems and reused for other functions.
• Typical Applications: Injection molding machine clamping, press slide descent, etc., achieving15%–25%energy savings.
4. System Optimization
• Shortened pipeline lengths and minimized bends reduce frictional pressure losses.
• Low-friction seals and high-efficiency filters minimize internal leakage and energy loss.
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II. Key Technical Features
1. High-Efficiency Motors & Drives
• IE3/IE4 premium-efficiency induction motors or permanent magnet synchronous motors (PMSM) offer5%–10%higher efficiency than conventional motors.
• Integrated drives (e.g., servo drives) enable precise control with faster response times.
2. Intelligent Control Strategies
• PLC or industrial PC-based closed-loop control adjusts pressure/flow dynamically based on process requirements.
• Supports multi-mode operation (e.g., standby, economy, high-performance) for diverse working conditions.
3. Modular & Integrated Design
• Combines pumps, motors, valve blocks, and coolers into compact units, reducing footprint and installation costs.
• Facilitates quick replacement and scalability for maintenance and upgrades.
4. Low Noise & Long Lifespan
• Optimized pump and motor structures reduce operational noise (typically ≤70 dB).
• Wear-resistant materials and long-life bearings ensure a design lifespan of20,000+ hours.
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III. Typical Applications
1. Industrial Manufacturing Equipment
• Injection Molding Machines: Servo-pump control for clamping and injection reduces idle energy consumption.
• Die-Casting Machines: Rapid pressure response shortens cycle times and lowers energy per part.
• CNC Machines: Provides precise hydraulic power for clamping and spindle cooling, improving machining efficiency.
2. Metal Forming & Processing
• Bending/Shearing Machines: Load-sensing control matches pressure and speed to demand, minimizing waste.
• Hydraulic Presses: Reduces pump speed during holding phases to cut无效功耗 (inactive power consumption).
3. Logistics & Warehousing Equipment
• Lifting Platforms/Stackers: VFDs enable smooth start-stop operations, reducing shock and energy use.
• Automated Conveyors: Powers hydraulic-driven rollers or chains with high efficiency.
4. New Energy & Environmental Sectors
• Wind Turbines: Provides energy-efficient hydraulic power for pitch control systems in remote, low-power environments.
• Wastewater Treatment: Drives hydraulic gates or mixers with reduced long-term operational costs.
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IV. Energy-Saving Benefits & Advantages
1. Significant Cost Reduction
• 30%–60%total energy savings, drastically cutting electricity expenses.
• Lower hydraulic oil replacement frequency (due to reduced heat generation), reducing maintenance costs.
2. Environmental Compliance
• Meets EU ERP directives, China Energy Efficiency Labels, and other green standards.
• Reduces carbon emissions, aligning with "dual carbon" goals.
3. Enhanced Competitiveness
• Extends equipment lifespan, lowering total cost of ownership (TCO).
• Improves product quality through precise control, reducing defect rates.
4. Strong Adaptability
• Customizable power ranges (e.g., 1.5 kW–300 kW) for light-duty to heavy-duty applications.
• Supports multiple hydraulic media (e.g., mineral oil, water-based fluids) for specialized environments.
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