A11O40 D-Series LeftRight Rotation Directional Hydraulic Pump
2 month ago
Product details
A11O40 D-Series Hydraulic Pump: Detailed Overview
I. Product Positioning & Model Explanation
• Product Type: The A11O40 D-Series hydraulic pump is anaxial piston variable displacement pump, widely used in hydraulic systems for construction machinery, marine equipment, and industrial applications.
• Model Breakdown:
• A11O: Likely represents a product series or design code (refer to manufacturer documentation for specifics).
• 40: Indicates nominal displacement (unit: mL/r), referring to the oil volume discharged per revolution.
• D-Series: Denotes the product line, potentially featuring unique design characteristics or application scopes.
II. Technical Features & Performance Parameters
• Variable Control Methods:
• May includeconstant pressure control,load-sensing control,electro-hydraulic proportional control, etc., to meet diverse operational demands.
• Pressure & Speed Ranges:
• Rated Pressure: Typically high, suitable for high-pressure hydraulic systems.
• Maximum Operating Pressure: May reach or exceed35 MPa(refer to product specifications).
• Speed Range: Covers maximum and minimum rotational speeds to adapt to varying flow requirements.
• Efficiency & Reliability:
• Highvolumetric efficiencyandmechanical efficiency, minimizing energy loss and heat generation.
• Long service life due to premium materials and manufacturing processes.
III. Structural Characteristics & Components
• Rotating Assembly:
• Includes key components such as pistons, cylinder blocks, and port plates for oil suction and discharge.
• Variable Displacement Mechanism:
• Adjusts pump displacement to match flow demands under different operating conditions.
• Swashplate & Bearings:
• The swashplate angle is adjustable to modify piston stroke; front/rear bearings support the rotating assembly, reducing friction and wear.
• Control Valves:
• LS Valve (Load-Sensing Valve): Regulates pump output based on load demand.
• DR Valve (Pressure Cut-Off Valve): Provides pressure protection to prevent system overloads.
IV. Application Scenarios & Selection Guidelines
• Application Fields:
• Construction Machinery: Excavators, loaders, cranes (driving travel, rotation, and digging functions).
• Marine Equipment: Deck machinery, propulsion systems (providing hydraulic power).
• Industrial Machinery: Machine tools, injection molding machines, die-casting machines (enabling automation).
• Selection Recommendations:
• System Requirements: Choose appropriate displacement, pressure rating, and control method.
• Compatibility: Ensure alignment with existing hydraulic system interfaces and fluid types.
• Manufacturer Guidance: Follow technical documentation and selection guides provided by the manufacturer.
V. Installation, Operation & Maintenance Guidelines
• Pre-Installation Checks:
• Verify cleanliness of tanks, hoses, and fittings to prevent contaminant ingress.
• Dust Prevention During Assembly:
• Avoid secondary contamination; conduct grinding/painting operations away from the assembly area.
• Oil Filling & Filtration:
• Use filtration systems for oil filling; recommend5–10-micron filters.
• Pre-Startup Inspections:
• Check for loose fasteners, damaged pipes, or deformations.
• Commissioning & Monitoring:
• Monitor oil level and air bubbles during startup; track pressure, flow, and temperature during operation.
• Maintenance Practices:
• Regularly replace oil and filters.
• Clean and inspect control valves.
• Adjust pump parameters based on usage conditions.
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