1. Electro-hydraulic control options (e.g., ED models).
2. Compact design for space-saving installation.
3. Surface hardening treatment for wear resistance.
4. Compatible with mineral or synthetic hydraulic oils.
5. Wide temperature range (-25°C to 80°C).
6. High dynamic response for rapid operational changes.
7. Built-in replenishing valve for system stability.
8. Compliance with DIN/ISO safety standards.
9. Multiple displacement options (10-140 cc/rev).
10. Modular design for easy maintenance and upgrades.

Technical data:

Size		NG		28	45	71	88	100	140
Displacement, geometric, per revolution		V_{g max}	cm³	28	45	71	88	100	140
Rotational speed maximum	at V_{g max}	n_nom	rpm	3000	2600	2200	2100	2000	1800
Rotational speed maximum	at V_g<V_{g max}	n_{max perm}	rpm	3600	3100	2600	2500	2400	2100
Flow at Δp = 280 bar	at n_nom and V_{g max}	q_{v max}	l/min	84	117	156	185	200	252
Flow at Δp = 280 bar	at n_E= 1500 rpm and V_{g max}	q_{vE max}	l/min	42	68	107	132	150	210
Power	at n_nom, V_{g max}	P_max	kW	39	55	73	86	93	118
Power	at n_E= 1500 rpm and V_{g max}	P_{E max}	kW	20	32	50	62	70	98
Torque at Vg max and	Δp = 280 bar	T_max	Nm	125	200	316	392	445	623
Torque at Vg max and	Δp = 100 bar	T	Nm	45	72	113	140	159	223
Rotary stiffness of drive shaft	S	c	Nm/rad	22317	37500	71884	71884	121142	169437
	R	c	Nm/rad	26360	41025	76545	76545
	U	c	Nm/rad	16695	30077	52779	52779	91093
	W	c	Nm/rad	19898	34463	57460	57460	101847	165594
Moment of inertia for rotary group		J_TW	kgm²	0.0017	0.0033	0.0083	0.0083	0.0167	0.0242
Maximum angular acceleration		α	rad/s²	5500	4000	2900	2600	2400	2000
Case volume		V	l	0.7	1	1.6	1.6	2.2	3
Weight without through drive (approx.)		m	kg	18	23.5	35.2	35.2	49.5	65.4
Weight with through drive (approx.)		m	kg	19.3	25.1	38	38	55.4	74.4

Specifications:

Warranty	12 months
Transport Package	Standard Export Wooden Case
Certification	ISO9001: 2000
Type	Construction machinery piston pump
Production Capacity	1000-3000 pcs/month
HS Code	8413503190
Application	Aerial work platform, road roller,Dump Mining Truck
Maximum speed	3600 r/min
Delivery Time	15-30 Days after Payment
Displacement	A10V(S)O 28/45/71/88/100/140

Applications:

1. For gantry milling feeds, dual piston pumps deliver 30m/min rapid traverse with 0.005mm positioning accuracy. Temperature-viscosity compensation maintains >98% flow stability during 40±15℃ oil fluctuations from coolant splash, achieving Ra0.8 surface finish on aerospace aluminum parts using precision hydraulic pump technology.

2. In rotary table clamping, the hydraulic pump's PID control limits force variation to ±15N. Copper-alloy bearing support reduces noise below 68dB at 2000rpm, meeting acoustic standards for precision mold workshops where axial piston pump quiet operation is critical for CNC machining accuracy.

3. For rolling mill AGC systems, servo piston pumps achieve ±1μm roll gap accuracy with 0.1ms response. Laser-clad WC coating on plungers limits wear to <0.5μm/1000h in high-pressure emulsion, maintaining IT7 thickness tolerance for cold-rolled strips through hydraulic pump precision engineering.

4. In roll bending control, redundant axial piston pump design reduces downtime 85% via FMEA optimization. With accumulator backup sustaining 20s pressure during power dips, this hydraulic pump prevents strip scratching defects in continuous rolling processes requiring failsafe operation.

High Pressure Rexroth Axial Piston Hydraulic Pump 280bar Modular Design

Competitive Advantage:

1. Dual case drain ports enable 360° installation with <0.3bar case pressure at 45° tilt. This hydraulic pump improves 55% space utilization in underground mining equipment through flexible configuration.

2. Diamond-coated piston/cylinder pairs reduce friction to 0.03 with <0.75% efficiency loss after 100,000 cycles. This axial piston pump extends maintenance intervals for aerospace hydraulic test rigs.

3. Integrated FFT spectrum analysis monitors 0.5-200Hz vibrations, reducing pressure fluctuation to ±1.5bar. This hydraulic pump achieves ±0.8% injection pressure control in molding machines, cutting defect rates by 37% through optimized piston pump performance.

4. Multi-mode control dynamically matches pressure/flow/power parameters. The axial piston pump delivers 0.05s response in wind turbine pitch systems, achieving ±0.3° blade angle accuracy for 12% increased power generation efficiency.

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

1. >50mm foam layer reveals insufficient defoamer (<250ppm) and shallow return line immersion (<100mm). Modify tank for 200mm submerged returns and replenish silicone additives to stabilize piston pump suction.

2. 5m/s² housing vibration at 28Hz requires bolt tightening to 450Nm and coupling alignment within 0.05mm. Install dampening mounts (natural frequency <15Hz) for hydraulic pump vibration control.

3. Piston neck fractures often result from 0.02mm clearance deviation between slipper and piston head. Using laser interferometry to maintain ≤3μm sphericity tolerance and 0.015±0.002mm clearance is critical for axial piston pump reliability under 200 cycles/min impacts.

4. Swashplate bearing noise exceeding 2000Hz indicates raceway spalling. Replacement threshold is 0.05mm radial clearance with 1800±50N preload using ISO VG46 oil for hydraulic pump longevity.

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