Series
B1.921
Work supports
Contact by spring force or air pressure
single acting with / without spring return
max. operating pressure 500 bar
single acting with / without spring return
max. operating pressure 500 bar
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Information Series
Description
B1.921 Work supports
Hydraulic work supports are used to provide a self-adjusting rest for the workpiece during the machining operations. They compensate the workpiece surface irregularities, also deflection and vibration under machining loads.
Hydraulic locking is made together with hydraulic clamping of the workpiece, or independently. The support plunger is provided with female thread to enable the use of threaded pieces for height adjustment.
There are three variations of plunger actuation:
- Spring advanced; plunger extended in off-position
- Air pressure advanced; without spring return
- Air pressure advanced; with spring return
The pneumatically-actuated plunger allows precise setting of the plunger contact force by means of a pressure reducing valve. If a danger exists of sucking fluids through the pneumatic port, on the spring-advanced unit, a vent hose should be connected.
Products (9)
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| Item no. | CAD data | functioning | max. operating pressure [bar] | seals | hydraulic ports | |
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Item no.
functioning
single acting
max. operating pressure [bar]
500
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
body design
block-type
position monitoring
without
pressure range
high pressure
wiper
FKM
venting of the spring area
without
self-locking
without
bolt type
with internal thread
min. operating pressure [bar]
100
max. operating temperature [°C]
100
off-position
extended
extending
-
return
with spring force
contact
with spring force
plunger Ø [mm]
16
max. load force [kN]
7
plunger stroke [mm]
6
max. flow rate [cm3/s]
-
spring contact force [N]
8-10
pneumatic contact force [N/bar]
-
elastic deformation [µm/kN]
3.6
Item no.
functioning
single acting
max. operating pressure [bar]
500
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
body design
block-type
position monitoring
without
pressure range
high pressure
wiper
FKM
venting of the spring area
without
self-locking
without
bolt type
with internal thread
min. operating pressure [bar]
100
max. operating temperature [°C]
100
off-position
retracted
extending
with air pressure
return
without
contact
with air pressure
plunger Ø [mm]
16
max. load force [kN]
7
plunger stroke [mm]
6
max. flow rate [cm3/s]
-
spring contact force [N]
-
pneumatic contact force [N/bar]
20.1
elastic deformation [µm/kN]
3.6
Item no.
functioning
single acting
max. operating pressure [bar]
500
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
body design
block-type
position monitoring
without
pressure range
high pressure
wiper
FKM
venting of the spring area
without
self-locking
without
bolt type
with internal thread
min. operating pressure [bar]
100
max. operating temperature [°C]
100
off-position
retracted
extending
with air pressure
return
with spring force
contact
with air pressure
plunger Ø [mm]
16
max. load force [kN]
7
plunger stroke [mm]
6
max. flow rate [cm3/s]
-
spring contact force [N]
8-10
pneumatic contact force [N/bar]
20.1
elastic deformation [µm/kN]
3.6
Item no.
functioning
single acting
max. operating pressure [bar]
500
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
body design
block-type
position monitoring
without
pressure range
high pressure
wiper
FKM
venting of the spring area
without
self-locking
without
bolt type
with internal thread
min. operating pressure [bar]
100
max. operating temperature [°C]
100
off-position
extended
extending
-
return
with spring force
contact
with spring force
plunger Ø [mm]
20
max. load force [kN]
12.5
plunger stroke [mm]
8
max. flow rate [cm3/s]
-
spring contact force [N]
13,5-17
pneumatic contact force [N/bar]
-
elastic deformation [µm/kN]
1.7
Item no.
functioning
single acting
max. operating pressure [bar]
500
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
body design
block-type
position monitoring
without
pressure range
high pressure
wiper
FKM
venting of the spring area
without
self-locking
without
bolt type
with internal thread
min. operating pressure [bar]
100
max. operating temperature [°C]
100
off-position
retracted
extending
with air pressure
return
without
contact
with air pressure
plunger Ø [mm]
20
max. load force [kN]
12.5
plunger stroke [mm]
8
max. flow rate [cm3/s]
-
spring contact force [N]
-
pneumatic contact force [N/bar]
31.4
elastic deformation [µm/kN]
1.7
Item no.
functioning
single acting
max. operating pressure [bar]
500
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
body design
block-type
position monitoring
without
pressure range
high pressure
wiper
FKM
venting of the spring area
without
self-locking
without
bolt type
with internal thread
min. operating pressure [bar]
100
max. operating temperature [°C]
100
off-position
retracted
extending
with air pressure
return
with spring force
contact
with air pressure
plunger Ø [mm]
20
max. load force [kN]
12.5
plunger stroke [mm]
8
max. flow rate [cm3/s]
-
spring contact force [N]
13,5-17
pneumatic contact force [N/bar]
31.4
elastic deformation [µm/kN]
1.7
Item no.
functioning
single acting
max. operating pressure [bar]
500
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
body design
block-type
position monitoring
without
pressure range
high pressure
wiper
FKM
venting of the spring area
without
self-locking
without
bolt type
with internal thread
min. operating pressure [bar]
100
max. operating temperature [°C]
100
off-position
extended
extending
-
return
with spring force
contact
with spring force
plunger Ø [mm]
35
max. load force [kN]
28
plunger stroke [mm]
10
max. flow rate [cm3/s]
-
spring contact force [N]
19,2-24
pneumatic contact force [N/bar]
-
elastic deformation [µm/kN]
1.3
Item no.
functioning
single acting
max. operating pressure [bar]
500
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
body design
block-type
position monitoring
without
pressure range
high pressure
wiper
FKM
venting of the spring area
without
self-locking
without
bolt type
with internal thread
min. operating pressure [bar]
100
max. operating temperature [°C]
100
off-position
retracted
extending
with air pressure
return
without
contact
with air pressure
plunger Ø [mm]
35
max. load force [kN]
28
plunger stroke [mm]
10
max. flow rate [cm3/s]
-
spring contact force [N]
-
pneumatic contact force [N/bar]
96.2
elastic deformation [µm/kN]
1.3
Item no.
functioning
single acting
max. operating pressure [bar]
500
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
body design
block-type
position monitoring
without
pressure range
high pressure
wiper
FKM
venting of the spring area
without
self-locking
without
bolt type
with internal thread
min. operating pressure [bar]
100
max. operating temperature [°C]
100
off-position
retracted
extending
with air pressure
return
with spring force
contact
with air pressure
plunger Ø [mm]
35
max. load force [kN]
28
plunger stroke [mm]
10
max. flow rate [cm3/s]
-
spring contact force [N]
19,2-24
pneumatic contact force [N/bar]
96.2
elastic deformation [µm/kN]
1.3
Accessories (7)
| Item no. | CAD data | Description |
|---|---|---|
|
Item no.
|
CAD data
|
Description
O-ring 10 x 2 mm, NBR
as per data sheet B1.5091
|
|
Item no.
|
Description
Seal ring 4,5 x 7 x 1 mm
as per data sheet B1.921
|
|
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Item no.
|
CAD data
|
Description
Hose fitting G1/8
with sealing
as per data sheet B1.900
|
|
Item no.
|
CAD data
|
Description
Screw plug G1/4
SW 19 x 8 mm high
max. 500 bar, as per data sheet F9.300
|
|
Item no.
|
CAD data
|
Description
Contact bolt M10 x 12 mm
dome head
as per data sheet G3.800
|
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Item no.
|
CAD data
|
Description
Contact bolt M16 x 20 mm
dome head
as per data sheet G3.800
|
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Item no.
|
CAD data
|
Description
Contact bolt M12 x 12 mm
dome head
as per data sheet G3.800
|
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Please note: Our CAD data are generally simplified data and primarily reflect the outer contour and connections of the product (see also Terms of use). Please always refer to the relevant catalogue sheet for the exact dimensions with tolerances, in particular the information on mounting holes or attachments such as special clamps.
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