Contact
Series
B1.921

Work supports

Contact by spring force or air pressure
single acting with / without spring return
max. operating pressure 500 bar
Work supports
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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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body design
block-type (9)
functioning
single acting (9)
max. operating pressure [bar]
500 (9)
seals
NBR (9)
hydraulic ports
pipe thread and manifold connection with O-ring (9)
position monitoring
without (9)
pressure range
high pressure (9)
wiper
FKM (9)
venting of the spring area
without (9)
self-locking
without (9)
bolt type
with internal thread (9)
min. operating pressure [bar]
100 (9)
max. operating temperature [°C]
100 (9)
off-position
extending
return
contact
plunger Ø [mm]
max. load force [kN]
plunger stroke [mm]
max. flow rate [cm3/s]
- (9)
spring contact force [N]
pneumatic contact force [N/bar]
elastic deformation [µm/kN]
Item no. CAD datafunctioningmax. operating pressure [bar]sealshydraulic ports
Item no.
CAD data
functioning
single acting
max. operating pressure [bar]
500
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
Item no.
CAD data
functioning
single acting
max. operating pressure [bar]
500
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
Item no.
CAD data
functioning
single acting
max. operating pressure [bar]
500
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
Item no.
CAD data
functioning
single acting
max. operating pressure [bar]
500
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
Item no.
CAD data
functioning
single acting
max. operating pressure [bar]
500
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
Item no.
CAD data
functioning
single acting
max. operating pressure [bar]
500
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
Item no.
CAD data
functioning
single acting
max. operating pressure [bar]
500
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
Item no.
CAD data
functioning
single acting
max. operating pressure [bar]
500
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
Item no.
CAD data
functioning
single acting
max. operating pressure [bar]
500
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
Loading…
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.
CAD data
/
Description
Seal ring 4,7 x 9,3 mm see page B1.372
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
Item no.
CAD data
Description
Contact bolt M16 x 20 mm dome head as per data sheet G3.800
Item no.
CAD data
Description
Contact bolt M12 x 12 mm dome head as per data sheet G3.800
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