HCD 3-W

model
HCD
Control unit
Double acting
Switching valve
Air bleeding valve
Non-leak valve
B
A
PA
Air
Double acting clamp
Pascal pump
Line ﬁlter
Double acting
2
Control unit model HCD 3 -W
This is a hydraulic control unit that is air driven and manually operated,
combining non-leak valve with non-leak feature (zero oil leaks), which
Model
HCD2-W
HCD3-W
Pascal pump models
X6308P-D
X6310P-D
is essential for hydraulic clamps, and Pascal pump. Since two hydraulic
Discharge oil
pressure  1
(MPa)
circuits can be operated and controlled alternatingly, it is best suited
Set air pressure
(MPa)
hydraulic pressure source for double acting clamps.
Refer to page 123 for
Unloaded oil dis(L/min)
charge amount
pump performance diagram.
Tank capacity  2
(L)
H.L. 2.4 L.L. 1.6
Pascal pump stops pumping once circuit pressure has been attained
and retains the pressure. Furthermore, since there is hardly any temperature fluctuation of working fluid, there is no need for any auxiliary
Operating temperature
Fluid used
pressure equipment.
Mass
8.7 ∼ 26.1 5.55 ∼ 16.65
0.2 ∼ 0.5
5 ∼ 60
General mineral based hydraulic
oil (ISO-VG32 equivalent)
(kg)
24
(°
C)
1 : Ask for consultation on specifications that exceed
discharge oil pressure range.
2 : Oil level in the tank should be always between H.L.
and L.L. of the gauge.
HCD 23 -W
Double acting circuit control unit
92.5
Control system
Dimensions
A
B
Switching valve
135
180
118
86.5
49.5
22
330
ø 36
40
Air pressure gauge
B hydraulic
connection
port Rc1/4
PA air connection
port Rc1/4
Air regulator
Hydraulic pressure gauge
A hydraulic
connection
port Rc1/4
60
B PORT
302
Air bleeding valve
28
60
H.L. 2.4L
L.L. 1.6L
20
100
237
Oil tap
(Oil level gauge)
145
A PORT
49
370
390
Mounting hole 4-ø9 (M8 screws included)
120
Drain port Rc1/4
50
model
HCD
Control unit
Single acting
Switching valve
Air bleeding valve
Non-leak valve
A
PA
Air
Single acting clamp
Pascal pump
Line ﬁlter
Single acting
2
Control unit model HCD 3 -S
This is a hydraulic control unit that is air driven and manually operated, combining non-leak valve with non-leak feature (zero oil leaks),
Model
HCD2-S
HCD3-S
Pascal pump models
X6308P-D
X6310P-D
which is essential for hydraulic clamps, and Pascal pump.
Discharge oil
pressure  1
(MPa)
Pascal pump stops pumping once circuit pressure has been attained
Set air pressure
(MPa)
and retains the pressure. Furthermore, since there is hardly any tem-
Refer to page 123 for
Unloaded oil dis(L/min)
charge amount
pump performance diagram.
Tank capacity  2
(L)
H.L. 2.4 L.L. 1.6
perature fluctuation of working fluid, there is no need for any auxiliary
pressure equipment.
Operating temperature
Fluid used
Mass
8.7 ∼ 26.1 5.55 ∼ 16.65
0.2 ∼ 0.5
5 ∼ 60
General mineral based hydraulic
oil (ISO-VG32 equivalent)
(kg)
22
(°
C)
1 : Ask for consultation on specifications that exceed
discharge oil pressure range.
2 : Oil level in the tank should be always between H.L.
and L.L. of the gauge.
Single acting circuit control unit
92.5
HCD 23 -S
Control system
Dimensions
UNCLAMP
CLAMP
Switching valve
135
180
118
86.5
49.5
22
330
ø 36
40
Air pressure gauge
PA air connection
port Rc1/4
Air regulator
A hydraulic
connection
port Rc1/4
Hydraulic pressure gauge
302
Air bleeding valve
237
28
60
H.L. 2.4L
L.L. 1.6L
20
100
145
Oil tap
(Oil level gauge)
49
370
Drain port Rc1/4
50
390
Mounting hole 4-ø9 (M8 screws included)
To download CAD data / To get updated information, visit www.pascaleng.co.jp
121
model
X63
Pascal pump
Air-driven, compact, high performance hydraulic pump.
P ascal pump is a compact but reliable hydraulic pump, which converts
a compressed air force into high-pressure hydraulic power.
S ecure and high speed reciprocation of air and hydraulic piston generates a repetitive suction and discharge of air and oil. As the hydraulic
pressure becomes close to the designated level, the reciprocation
becomes slower. At the designated hydraulic pressure, the driving air
force and hydraulic force become balanced to maintain the pressure.
A t the balanced condition, there is no air consumption so that there
is no power loss or temperature rise compared to an electric pump. In
the event of an air supply failure, the hydraulic pressure can be kept
by the built-in check valve on the discharge side.
Pascal pump model
Model
Control unit models
Boosting ratio
I f there is a decrease in the downstream holding pressure, the pump
immediately reacts to start reciprocating to recover the pressure loss.
X63
X6308
X6310
HCD2-W
HCD2-S
HCT-2
HCD3-W
HCD3-S
HCT-3
58
37
Mass
Air pressure range
0.2∼0.7 MPa
Air consumption
0.4 Nm 3/min
Operating noise
78±1 db (A)
Operating temperature
0∼70 ℃（No frozen）
2.6 kg
Performance diagram [Measured with operating oil ISO VG32 at 20℃ ]
X6310
PH = 58 (PA-0.05)
PH = 37 (PA-0.05)
Air pressure PA [MPa]
40
0.1
0
0.2
0.3
0.4
0.5
0.6
Air pressure PA [MPa]
0.7
0.8
0.9
25
PA
0.4
Discharge pressure PH [MPa]
Discharge
pressure
Pa
Discharge pressure PH [MPa]
Pa
15
①
M
0.5
20
Pa
25
6M
0.
.7M
30
M
Pa
0.3
MP
a
Discharge rate
10 0.2M
Pa
5
0
0.2
PA
0.4
0.6
0.8
1.0
:0
.7M
:0
35
0
Control system
X6308
20
Pa
0.6
MP
a
0.5
MP
a
15
0.4
Discharge
pressure
MP
a
10 0.3
M
Pa
5
Discharge rate
0.2M
Pa
②
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Discharge volume [L/min]
0
0.5
1.0
1.5
2.0
2.5
Discharge volume [L/min]
1. How to read the discharge pressure (PH)  [ex：X6308]
 ：PH is the pump discharge pressure when cylinders are clamped and the circuit pressure is built up.
When 20 MPa is required for PH, the desired air pressure (PA) should be 0.4 MPa by following the chain line ①.
2. How to read the discharge volume [ex：X6308]
When 0.4 MPa air pressure (PA) is supplied, with discharge pressure at 5 MPa, the discharge volume should
be 0.75 L/min by following the chain line ②.（Pump discharge pressure while cylinders are in action may vary
according to the circuit structure.）
To download CAD data / To get updated information, visit www.pascaleng.co.jp
123

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