Construction Machinery Variable Axial Piston Pump Low Noise Design

High-Performance Construction Machinery Piston Pump ISO Flange Low Noise Design

Features:

1. Variable axial piston pump with swashplate design for hydrostatic drives in open circuits.
2. Infinitely variable flow via swashplate angle adjustment.
3. Excellent suction performance under low inlet pressure.
4. Long service life with reduced maintenance intervals.
5. Versatile control modes (constant pressure, flow, power, etc.).
6. Through-drive structure for multi-pump combination systems.
7. High volumetric efficiency (>95%) minimizing energy loss.
8. Drive shaft withstands combined axial and radial loads.
9. Integrated auxiliary pump for replenishment and control.
10. Optimized suction line design to reduce cavitation risk.

Technical data:

Specifications:

Applications:

1. For vulcanizing presses, piston pumps regulate platen pressure via 8-point thermal feedback, maintaining ±1.5℃ uniformity. Viscosity-temperature adaption ensures >97% flow stability at 70-110℃ - hydraulic pump precision enabling consistent rubber curing quality in tire manufacturing with 500-ton mold clamping forces.

2. The axial piston pump dynamically adjusts 35-45MPa impact pressure in rock drill systems through load-sensing control. Tandem drive configuration integrates cooling hydraulic pumps to maintain oil temperature at 50±3℃, while hardened piston assemblies extend maintenance intervals to 12,000 hours in 15g/m³ dust environments.

3. This hydraulic pump enables 0-30r/min stepless speed regulation for drill rotation mechanisms with <5% torque fluctuation. Dual case drain ports maintain case pressure below 0.3bar even at 45° tilt angles, making the piston pump ideal for confined mining tunnel installations.

4. The axial piston pump achieves ±0.5°/s slewing accuracy in crane steering systems via pressure-compensated flow distribution. Built-in suction filters maintain 0.25bar resistance with 46cSt oil viscosity, preventing cavitation in marine environments through optimized hydraulic pump design.

Competitive Advantage:

1. Multi-layer reinforced cylinders enable 63MPa continuous pressure with ≥95% efficiency at 35MPa ΔP. This piston pump delivers precision pressure control for aerospace hydraulic test benches.

2. Lifecycle carbon tracking shows 18% emission reduction versus peers. This hydraulic pump generates 2.3t annual carbon credits per unit, supporting carbon neutrality goals with ISO 14064 certification.

3. Magnetic fluid seals achieve zero leakage at 10⁻⁶Pa·m³/s standards for 12,000h. This axial piston pump meets ultra-clean requirements in vacuum coating machine hydraulic systems.

4. Phase-compensated displacement mechanism reduces flow ripple to ±1.2%. This piston pump enables 0.1μm motion smoothness in optical manufacturing, improving surface finish by 40%.

The Analysis For Rexroth A10V(S)O Axial Piston Pump Common Breakdown:

1. Charge pressure drop (>0.35bar vacuum) indicates <85% boost pump efficiency. Post-repair testing verifies charge characteristics across 0-35MPa for piston pump reliability.

2. Swashplate oscillation from control voltage issues requires checking 20% amplifier gain deviation. Digital oscilloscope tuning achieves ±5% step response overshoot in hydraulic pump controls.

3. Bushing wear (<0.5mm babbitt) causes variable mechanism sticking. Centrifugal casting restores to 1.0mm with 0.02-0.03mm clearance for axial piston pump smooth operation.

4. Rapid oil temp rise (>15℃/h) indicates <92% volumetric efficiency. Increase 20% cooling area or install temperature feedback for piston pump thermal management.