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Series
I4.120

Fixture clamp, concentric clamping

max. clamping force 6.5 and 9 kN
jaw width 40 and 65 mm
double acting
max. operating pressure 250 bar
Fixture clamp, concentric clamping
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Information Series
Description
I 4.120 Fixture Clamp, concentric clamping

Application
The fixture clamps are used for machining of dimensionally stable workpieces in single or multiple clamping fixtures.
Due to their compact design they can be arranged in a very limited space. Fixture clamps are especially suitable for series manufacturing 
in automated mode.
The double-acting cylinder function combined with central lubrication and good swarf protection guarantees a high process safety.

Description
The fixture clamp with concentric clamping function consists of a very slim basic body with 2 integrated hydraulic cylinders.
The piston forces are transfered via a guided connecting link to the two clamping slides so that a centric synchronism is obtained. All threads and ports are at the bottom to allow a space-saving arrangement of several clamping points in a very limited space. If fixing from below is not possible an adaptor plate for manifold mounting or tube connection is available.
As accessory also blanks of clamping  jaws are available for adaptation to the workpiece contour. 

Important notes
The fixture clamp is only suitable for exterior clamping. 
Lubricate at the latest after 500 clamping cycles the clamping slide via the central lubrication. Never use the complete clamping stroke to guarantee safe clamping of the workpiece.

Max. operating temperature 80 °C
Operating conditions and other data see data sheet A 0.100

 

Products (2)
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clamping stroke [mm]
functioning
double acting (2)
max. operating pressure [bar]
250 (2)
seals
NBR (2)
hydraulic ports
pipe thread and manifold connection with O-ring (2)
seat check
without (2)
max. clamping force [kN]
jaw width [mm]
central lubrication
with (2)
Item no. CAD datafunctioningmax. operating pressure [bar]sealshydraulic ports
Item no.
CAD data
functioning
double acting
max. operating pressure [bar]
250
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
Item no.
CAD data
functioning
double acting
max. operating pressure [bar]
250
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
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Item no.
functioning
double acting
max. operating pressure [bar]
250
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
seat check
without
clamping stroke [mm]
2 x 5
max. clamping force [kN]
2 x 6,5
jaw width [mm]
40
central lubrication
with
Item no.
functioning
double acting
max. operating pressure [bar]
250
seals
NBR
hydraulic ports
pipe thread and manifold connection with O-ring
seat check
without
clamping stroke [mm]
2 x 8
max. clamping force [kN]
2 x 9,0
jaw width [mm]
65
central lubrication
with
Accessories (10)
Item no. CAD data Description
Item no.
CAD data
Description
Adaptor plate for fixture clamp 4413-051/-080 max. 250 bar, as per data sheet I4.120
Item no.
CAD data
Description
Adaptor plate for fixture clamp 4413-151 max. 250 bar, as per data sheet I4.120
Item no.
CAD data
/
Description
O-ring 5 x 1 mm - NBR as per data sheet I4.120
Item no.
CAD data
/
Description
Socket head cap screw M6 x 20 mm - 8.8 as per data sheet I4.120
Item no.
CAD data
/
Description
Socket head cap screw M8 x 25 - 12.9 as per data sheet I4.111
Item no.
CAD data
Description
Socket head cap screw M6 x 16 - 12.9 as per data sheet I4.120
Item no.
CAD data
Description
Socket head cap screw M8 x 20 mm, 8.8, galvanized as per data sheet B1.7441
Item no.
CAD data
Description
Clamping jaw 40 mm version: Clamping jaw (blank) material: 16 MnCr5 soft as per data sheet I4.120
Item no.
CAD data
Description
Clamping jaw 65 mm version: Clamping jaw (blank) material: 16 MnCr5 soft as per data sheet I4.120
Item no.
CAD data
Description
Plug-type connector ND5 - Ø10 x 14 mm short version, with FKM seals max. 500 bar, as per data sheet F9.300
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Application examples
Fixture clamp, concentric clamping

Concentric clamping of 8 flanges on a rotary indexing fixture.