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A10VSO28DFR1 Rexroth Piston Pump Cast Iron for Construction Machinery Systems

Categories Rexroth Piston Pump
Brand Name: SY Hydraulic
Model Number: SY-A10V(S)O
Certification: China Classification Society Certification
Place of Origin: China
MOQ: 1pc
Price: USD 1000-3000 / pc
Payment Terms: T/T
Supply Ability: 1000 pcs per month
Delivery Time: 15-30 days
Packaging Details: Standard Export Wooden Case
Radial Plunger Pump Type: Axial Flow
Material: Cast Iron
Pressure: High Pressure
Application: Construction Machinery
HS Code: 8413503190
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A10VSO28DFR1 Rexroth Piston Pump Cast Iron for Construction Machinery Systems

A10VSO28DFR1 Rexroth Piston Pump Cast Iron for Construction Machinery Systems


Features:


1. Variable axial piston pump with swashplate design for hydrostatic drives in open circuits.
2. Flow proportional to drive speed and displacement.
3. Infinitely variable flow via swashplate angle adjustment.
4. Dual drain ports for enhanced heat dissipation and leakage control.
5. Excellent suction performance under low inlet pressure.
6. Low noise level for improved operational environment.
7. Long service life with reduced maintenance intervals.
8. High power-to-weight ratio for energy efficiency and portability.
9. Versatile control modes (constant pressure, flow, power, etc.).
10. Short control response time (millisecond-level).


Technical data:

SizeNG28457188100140
Displacement, geometric, per revolutionVg maxcm328457188100140
Rotational speed
maximum
at Vg maxnnomrpm300026002200210020001800
at Vg <Vg maxnmax permrpm360031002600250024002100
Flow
at Δp = 280 bar
at nnom and Vg maxqv maxl/min84117156185200252

at nE= 1500 rpm

and Vg max

qvE maxl/min4268107132150210
Powerat nnom, Vg maxPmaxkW3955738693118

at nE= 1500 rpm

and Vg max

PE maxkW203250627098
Torque
at Vg max and
Δp = 280 barTmaxNm125200316392445623
Δp = 100 barTNm4572113140159223
Rotary stiffness
of drive shaft
ScNm/rad22317375007188471884121142169437
RcNm/rad26360410257654576545
UcNm/rad1669530077527795277991093
WcNm/rad19898344635746057460101847165594
Moment of inertia for rotary groupJTWkgm20.00170.00330.00830.00830.01670.0242
Maximum angular accelerationαrad/s²550040002900260024002000
Case volumeVl0.711.61.62.23
Weight without through drive (approx.)mkg1823.535.235.249.565.4
Weight with through drive (approx.)mkg19.325.1383855.474.4

Specifications:


Warranty12 months
Transport PackageStandard Export Wooden Case
CertificationISO9001: 2000
TypeConstruction machinery piston pump
Production Capacity1000-3000 pcs/month
HS Code8413503190
ApplicationAerial work platform, road roller,Dump Mining Truck
Maximum speed3600 r/min
Delivery Time15-30 Days after Payment
DisplacementA10V(S)O 28/45/71/88/100/140

Applications:


1. The axial piston pump adapts flow rates from 15-45L/min via load-sensing control in rock drillers, stabilizing percussion frequency during sudden hardness changes. With hardened cylinder blocks resistant to abrasive contaminants, this hydraulic pump extends MTBF to 4,000 hours in dusty mining operations, reducing maintenance costs in hard-rock excavation.
2. In hydraulic jumbos, the piston pump's dual-flow design delivers 120kN thrust force with 0.05mm positioning accuracy via electronic flow control. Integrated pressure cutoff instantly switches to 28MPa safety pressure during rod jamming, preventing impact damage to drill bit threads in complex geological conditions.
3. For two-platen clamping systems, this hydraulic pump maintains ±0.8% mold force accuracy with closed-loop pressure control, achieving 0.1s response time. Its energy-saving unloading circuit reduces 60% power consumption during dwell phase, ideal for precision thin-wall PC molding requiring axial piston pump reliability.
4. In multi-cavity micro-molding, the piston pump coordinates via CAN bus to control 8 injection points independently (0.5-25MPa). With low-inertia swashplate enabling 25 pressure transitions in 0.3s, this axial piston pump achieves flash-free molding for medical connectors with micron-level tolerances.

Competitive Advantage:


1.The axial piston pump achieves ±0.8% flow accuracy with closed-loop electro-hydraulic control, delivering 0.1s dynamic response for metallurgical vibration systems. With 30% increased swashplate bearing capacity and nitrided piston assemblies, this hydraulic pump extends service life to 12,000 hours under 280bar continuous operation.


2. Featuring bimetallic cylinder blocks with 1.2×10⁻⁶/K thermal deformation coefficient, this piston pump maintains >94% volumetric efficiency from -20℃ to 90℃, ideal for polar exploration equipment requiring stable performance in 70℃ temperature differentials.


3. Intelligent power limitation adjusts swashplate angle via real-time torque monitoring, preventing 35% energy waste in mining overload conditions. This hydraulic pump boosts system efficiency to 91%, saving approximately ¥180,000 annually in electricity costs (24/6 operation basis).


4. Integrated noise-reduction valves limit pressure ripple to ±2bar with 8dB(A) noise reduction, meeting ISO 4412-1 standards. This axial piston pump enables 65dB silent operation for medical equipment while maintaining 0.02mm motion accuracy.


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


1. Swashplate bearing wear causes ±15% flow fluctuation, often due to >70% blocked lubrication grooves. Regular 2,000-hour cleaning of axial piston pump's forced lubrication system with ISO 18/16/13 oil cleanliness monitoring can restore 85% bearing lifespan.


2. Sudden housing temperature spike above 95℃ indicates cooler flow below 60% rating. Verify tandem pump shaft seals and auxiliary gear pump pressure ≥4.5bar, ensure heatsink airflow >2.5m/s for hydraulic pump thermal stability.


3. 0.8s electro-proportional valve lag correlates with 0.3mm LVDT EMI deviation. Install RC filters (100Ω+0.1μF) on coils and maintain >300mm separation between signal/power cables in piston pump control systems.


4. 12% volumetric efficiency loss indicates piston-cylinder wear from water contamination >800ppm. Install NAS Class 7 suction filters and vacuum dehydrators to maintain <200ppm moisture for hydraulic pump restoration.


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