Construction Machinery Variable Axial Piston Pump Low Noise Design

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Shaoyang Victor Hydraulic Co., Ltd.

City: shaoyang

Province/State:hunan

Country/Region:china

Tel:86-739-5131124

Contact Person:
Mr.Wyman View Contact Details

Construction Machinery Variable Axial Piston Pump Low Noise Design

Brand Name	SY Hydraulic
Model Number	SY-A10V(S)O
Certification	China Classification Society Certification
Place of Origin	China
Minimum Order Quantity	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
Transport Package	Standard Export Wooden Case
Specification	A10VSO 28/45/71/100/140
Trademark	Neutral
HS Code	8413503190
Production Capacity	10000 pieces/Year

Detailed Product Description

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:

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	1 Year
Specification	SY-A10V(S)O
Place of Origin	China
Type	Rexroth axial piston pump
Color	Available any color
HS Code	8413503190
Application	excavator, loader, construction machinery
Constant pressure	280 bar
Maximum torque	623 Nm
Displacement	28-140cc

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.

Product Tags: Variable Axial Piston Pump Low Noise Construction Machinery Axial Piston Pump

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