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A10VSOPS

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Model:
A10VSOPS

product description

product description

HL-A10VSO variable pump

Features:

Axial plunger variable pump with swash plate structure for hydraulic open circuit
The flow rate is proportional to the driving speed and displacement, and can be infinitely variable by adjusting the inclination angle of the swash plate
ISO/SAE standard mounting flange
Flange connection conforms to SAE metric or UNC fixed thread
There are two case drain holes
Excellent suction performance
Allow continuous operating pressure up to 28Mpa
Low noise
long life
The drive shaft can withstand axial and radial loads
High power/weight ratio
Wide variety of control modes
Short control response time
Adopt through shaft structure, shell is used for multi-circuit system

1. Model description

Working fluid/model						18…100		140
Mineral oil and HFD (no code)						●		●
HFA, HFB and HFC fluids (except skydrol hydraulic oil)						●		●	E
High-speed type						—		●	H
Axial plunger element
Variable pump, swash plate structure, industrial drive The rated pressure is 28Mpa and the peak pressure is 35Mpa									A10VS

Application mode
Pump, open circuit									O
specification
Displacement Vg max(cm³)			18	28	45	71	100	140
Control mechanism
			18	28	45	71	100	140
Pressure control	DR		★	★	★	★	★	★	DR
Pressure control	DR	G(remote control)	★	★	★	★	★	★	DRG
Pressure/flow control	DFR		★	★	★	★	★	★	DFR
Pressure/flow control	DFR	1(No pinholes in X oil circuit)	★	★	★	★	★	★	DFR1
Pressure/flow/power control			—	★	★	★	★	☆	DFLR
series
									31
Direction of rotation
Seen from the shaft end						Clockwise			R
Seen from the shaft end						Counterclockwise			L
seal
NBR (nitrile rubber, in accordance with DIN ISO 1629) with FKM shaft seal									P
FKM (Fluorine rubber, in line with DIN ISO 1629)									V
Shaft end			18	28	45	71	100	140
Straight shaft with key DIN 6885			★	★	★	★	★	★	P
Straight shaft SAE with key			★	★	★	★	★	★	K
Spline shaft SAE			3/4\"	7/8\"	1\"	11/4\"	11/2\"	13/4\"	S
Spline shaft SAE (higher through shaft drive torque)			—	7/8\"	1\"	11/4\"	—	—	R
Spline shaft SAE (not suitable for through shaft movement)			5/8\"	—	7/8\"	—	11/4\"		U

Mounting flange			18	28	45	71	100	140
ISO 2 holes			★	★	★	★	★	—	A
ISO 4 holes			—	—	—	—	—	★	B
SAE 2 hole			★	★	★	★	★	—	C
SAE 4 holes			—	—	—	—	—	★	D

			18	28	45	71	100	140
Pressure port B and suction port S are in the axial direction, SAE port flange, metric fixed thread			☆	☆	☆	★	☆	☆	11
Pressure port B and suction port S are on the side, SAE port flange, metric fixed thread			★	★	★	★	★	★	12
Pressure port B and suction port S are in the lateral direction, SAE port flange, UNC fixed thread			☆	☆	☆	★	☆	☆	61
Pressure port B and suction port S are in the axial direction, SAE port flange, UNC fixed thread			★	★	★	★	★	★	62
Through shaft			18	28	45	71	100	140
No thru drive			★	★	★	★	★	★	N00
With through shaft drive, it can be equipped with axial pump, gear pump or radial piston pump
Mounting flange	Shaft/sleeve	Acceptable
ISO 80, 2 holes	Spline 3/4\"19-4(ASAE A-B)	HL-A10VSO 18 (axis S or R)	—	★	★	★	☆	☆	KB2
ISO 80, 2 holes	Shaft with key	HL-A10VSO 18 (Axis P)	—	★	★	★	★	★	K51*
ISO 100, 2 holes	Spline 7/8\"22-4(SAE B)	HL-A10VSO 28 (axis S or R)	—	★	★	★	★	★	KB3
ISO 100, 2 holes	Shaft with key	HL-A10VSO 28 (Axis P)	—	★	★	★	★	★	K25*
ISO 100, 2 holes	Spline 1\"25-4(SAE B-B)	HL-A10VSO 45 (axis S or R)	—	—	★	★	★	★	KB4
ISO 100, 2 holes	Shaft with key	HL-A10VSO 45 (Axis P)	—	—	★	★	★	★	K26*
ISO 125, 2 holes	Spline 3/4\"19-4(SAE A-B)	HL-A10VSO 71 (axis S or R)	—	—	—	★	★	★	KB5
ISO 125, 2 holes	Shaft with key	HL-A10VSO 71 (Axis P)	—	—	—	★	★	★	K27*
ISO 125, 2 holes	Spline 1 1/2\"38-4(SAE C-C)	HL-A10VSO 100 (axis S or R)	—	—	—	—	★	★	KB6
ISO 125, 2 holes	Shaft with key	HL-A10VSO 100 (Axis P)	—	—	—	—	☆	☆	K37*
ISO 180, 4 holes	Spline 1 3/4\"44-4(SAE B)	HL-A10VSO 140 (axis S or R)	—	—	—	—	—	★	KB7
ISO 180, 4 holes	Shaft with key	HL-A10VSO 140 (Axis P)	—	—	—	—	—	☆	K59*
82-2 (SAE A, 2 holes)	Spline 5/8\"16-4(SAE A)		★	★	★	★	★	★	K01
82-2 (SAE A, 2 holes)	Spline 3/4\"19-4(SAE A-B)	HL-A10VSO 18 (Axis S)	★	★	★	★	★	★	K52
82-2 (SAE A, 2 holes)	Keyed shaft 19-1 (SAE A-B)	HL-A10VSO 18 (Axis K)	—	☆	☆	☆	☆	☆	K40*
101-2 (SAE B, 2 holes)	Spline 7/8\"22-4(SAE B)	HL-A10VSO 18 (Axis S)	—	★	★	★	★	★	K68
101-2 (SAE B, 2 holes)	Keyed shaft 22-1 (SAE B)	HL-A10VSO 18 (Axis K)	—	☆	☆	☆	☆	☆	K03*
101-2 (SAE B, 2 holes)	Spline 1\"25-4(SAE B-B)	HL-A10VSO 18 (Axis S)	—	★	★	★	★	★	K04
101-2 (SAE B, 2 holes)	Keyed shaft 25-1 (SAE B-B)	HL-A10VSO 18 (Axis K)	—	—	☆	☆	☆	☆	K05*
127-2 (SAE C, 2 holes)	Spline 1 1/4\"25-4(SAE C)	HL-A10VSO 18 (Axis S)	—	—	—	★	★	☆	K07
127-2 (SAE C, 2 holes)	32-1 with key shaft (SAE C)	HL-A10VSO 18 (Axis K)	—	—	—	☆	☆	☆	K08*
127-2 (SAE C, 2 holes)	Spline 1 1/2\"38-4(SAE C-C)	HL-A10VSO 18 (Axis S)	—	—	—	—	★	★	K24
127-2 (SAE C, 2 holes)	Keyed shaft 38-1 (SAE C-C)	HL-A10VSO 18 (Axis K)	—	—	—	—	☆	☆	K38*
152-4 (SAE D, 4 holes)	Spline 1 3/4\"44-4(SAE B)	HL-A10VSO 18 (Axis S)	—	—	—	—	—	★	K17
152-4 (SAE D, 4 holes)	Keyed shaft 44-1 (SAE D)	HL-A10VSO 18 (Axis K)	—	—	—	—	—	☆	K21*
*Cannot be used for new devices, only for smaller thru-shaft drive torque

2. Technical data

Pressure oil

mineral oil

Working viscosity range

In order to get the best efficiency and longevity, we recommend choosing the working viscosity (at working temperature) of the oil in the following range:

Vopt = best working viscosity 16...36mm ²/s

Related to tank temperature (open circuit).

Limitation of viscosity range

The limit of viscosity is:

Vmin =10 mm ²/s,

For a short time, under the maximum allowable oil leakage temperature of 90℃

Vmax = 1000 mm ²/s short time, cold start

temperature range(See selection diagram)

t _min= -25℃

t _max= 90°C

Table 1.jpg

Matters needing attention when choosing working fluid

Matters needing attention when choosing working fluid

In order to select the correct hydraulic oil, it is necessary to know the relationship between the working temperature of the oil in the oil tank (open circuit) and the temperature of the environment.

The hydraulic fluid must be selected to ensure that the working viscosity of the fluid is in the best range (Vopt) within the working temperature range (see the shaded part of the selection diagram). It is recommended to choose the highest possible viscosity grade for each occasion.

Example: At an ambient temperature of X°C, the working fluid temperature is 60°C.

VG46 or VG68 corresponds to the optimum working viscosity range (Vopt; shaded part). Should choose VG68.

Note: The temperature of the leakage oil (case drain oil) is affected by the pressure and speed of the pump and is always higher than the oil temperature. However, the maximum temperature anywhere in the system must not exceed 90°C.

Oil filtration

The finer the oil filter, the better the cleanliness of the working fluid, and the longer the life of the axial piston pump.

In order to ensure the normal function of the axial piston element, the cleanliness of the oil needs to be at least

NAS1638, level 9

18/15 of ISO/DIS 4406

Mechanical displacement limiter

The mechanical displacement limiter only uses the 12/62NOO series plunger pump without shaft, and the maximum displacement can be adjusted arbitrarily from 50%←→100%

Working pressure range-inlet side
Absolute pressure of S port (inlet)
P_{abs min} 0.08Mpa
P_{abs min} 3Mpa
Working pressure range-outlet side
Pressure at port B
Rated pressure P_N 28Mpa
Peak pressure P_max 35Mpa
Intermittent work when the load time is 10%, the pressure can reach 31.5Mpa

Case drain pressure
The maximum allowable pressure of leaking oil (L, L1 port): the highest can be higher than the inlet pressure of S port by 0.05Mpa, but not higher than 0.2Mpa absolute pressure.
Flow direction: S to B
Numerical table (without considering the mechanical efficiency η_mhAnd volumetric efficiency η_vTheoretical value: data is rounded to integer)

specification				18	28	45	71	100	140
Displacement		V_{g max}	cm³	18	28	45	71	100	140
Maximum speed¹）		n_{o max}	rpm	3300	3000	2600	2200	2000	1800
When the inlet pressure Pabs increases and V_g﹤V_{g max}Maximum speed (speed limit)		n_{o max}	rpm	3900	3600	3100	2600	2400	2100
Maximum flow	At n_{o max}时	q_{vo max}	L/min	59.4	84	117	156	200	252
Maximum flow	At n_E=1500min		L/min	27	42	68	107	150	210
Maximum power	At n_{o max}时	P_{o max}	KW	27.7	39	55	73	93	118
Maximum power	At n_E=1500min		KW	12.6	20	32	50	70	98
In V_{g max}Maximum torque at the time (△P=28Mpa)		T_max	Nm	80.1	125	200	316	445	623
In V_{g max}Torque at time (△P=10Mpa)		T	Nm	28.6	54	72	113	159	223
Moment of inertia on the drive shaft		J	kgm²	0.00093	0.0017	0.0033	0.0083	0.0167	0.0242
Shell volume		L	L	0.4	0.7	1	1.6	2.2	3.0
Weight (without oil)		M	kg	12	15	21	33	45	60

1) The above data is valid when the inlet pressure of S port is 0.1Mpa absolute pressure. If the displacement decreases or the inlet pressure increases, the speed can be increased.

Specification calculation

flow qv=

V _g.n.η _v

1000

[L/min]

V_g= Geometric displacement per revolution [cm³]

△P=Differential pressure [Mpa]

Drive torque T=

1,59.V _g.△P

100. η _mh

=

V _g. △P

20.∏. η

[Nm]

n=speed [rmp]

ηv = volumetric efficiency

Drive torque T=

T.n

9549

=

q _v. △P

600.∏. η_t

[KW]

η_mh=Mechanical-hydraulic efficiency

η_t= Total efficiency (η_t=η_v×η_mh）

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