Project Background
A construction machinery manufacturer needs a hydraulic system for its new 50-ton excavator, requiring high reliability, efficiency, and precise control.
Technical Requirements
1. Main pump flow rate: 2×300L/min
2. System Pressure: 35MPa
3. Coordinated Control of Multi-Actuator Composite Actions
4. Significant energy savings and reduced fuel consumption
5. Designed to withstand extreme temperatures and high-dust environments.
Solution
Chuangyuecheng provides complete hydraulic system integration solutions:
1. Main Pump Selection: Variable displacement pump with load-sensing control for on-demand flow output
2. Valve Group Design: Integrated multi-way valve design reduces piping connections and minimizes leak risks.
3. Control System: Electro-hydraulic proportional control for precise operation and coordinated compound movements
4. Filter SystemMulti-stage filtration design ensures fluid cleanliness and extends component lifespan.
5. Cooling System: Combined air and liquid cooling to meet diverse thermal management requirements
Energy-efficient design
1. Load-sensing system to reduce overflow losses
2. Regenerative braking system, saves 15% energy
3. Idle Speed Reduction: Saves Fuel
Project Achievements
1. Hydraulic system efficiency reaches 85%, exceeding the industry average.
2. Fuel consumption reduced by 12%, significantly lowering customer operating costs.
3. High system reliability: zero major failures in the first 100 units over 2 years.
4. Excellent handling with positive operator feedback