Bosch Rexroth A6VM series 71 Manual page 18

Axial piston variable motor
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18
A6VM series 71 | Axial piston variable motor
HA – Automatic high-pressure related control
HA1 with minimum pressure increase, positive control
An operating pressure increase of Δp ≤ approx. 145 psi
(10 bar) results in an increase in displacement from V
towards V
.
g max
Beginning of control, setting range 1150 to 5100 psi (80 to
350 bar)
Please state the desired beginning of control in plain text
when ordering, e. g.: beginning of control at 4350 psi
(300 bar).
▼ Characteristic curve HA1
5800 (400)
5100 (350)
4350 (300)
3600 (250)
2900 (200)
2200 (150)
1450 (100)
1150 (80)
725 (50)
0
0
0.2
V
g min
▼ Circuit diagram HA1
M
1
U
T
1
T
2
G
Bosch Rexroth Corp., RE-A 91610/12.2015
0.4
0.6
0.8
1.0
V
/ V
V
g
g max
g max
Displacement
B
V
g min
V
g max
A
X
HA2 with pressure increase, positive control
An operating pressure increase of Δp ≤ approx. 1450 psi
(100 bar) results in an increase in displacement from V
g min
to V
.
g max
Beginning of control, setting range 1150 to 5100 psi (80 to
350 bar)
Please state the desired beginning of control in plain text
when ordering, e. g.: beginning of control at 2900 psi
(200 bar)
▼ Characteristic curve HA2
6500 (450)
5800 (400)
5100 (350)
4350 (300)
3600 (250)
2900 (200)
2200 (150)
1450 (100)
1150 (80)
725 (50)
0
▼ Circuit diagram HA2
U
T
1
T
2
0
0.2
0.4
0.6
0.8
V
V
/ V
g min
g
g max
Displacement
M
1
V
g min
V
g max
G
g min
1.0
V
g max
B
A
X

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