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Series
B1.481

Bore Clamp

double-acting, pull-type
with and without centring function
clamping for bore diameter 16 to 46 mm
max. operating pressure from 50 up to 350 bar
Bore Clamp
Downloads
Catalogue sheet
ENDEESFRIT
Operating instructions
Information Series
Description
B 1.481 Bore clamp 

The bore clamp is particularly suitable for centring and clamping of workpieces with smoothly machined bores with diameters from 16 to 46 mm and a support surface square to the hole axis.

The bore clamp is a combination of a double-acting pull-type cylinder equipped with a segment clamping bushing, which is pulled by a tie rod over a fixed cone. Thereby the segment clamping bushing expands radially to the bore diameter of the workpiece to be clamped. By the simultaneous axial movement the workpiece is clamped onto the hardened support at the housing. The obtainable low-clamping force depends on the factor of friction within the bore and the operating pressure.

Products (15)
body design
round design (15)
type
bore clamp (15)
functioning
double acting (15)
max. operating pressure [bar]
hydraulic ports
pipe thread and manifold connection with O-ring (15)
centring function
min. clamping diameter [mm]
max. clamping diameter [mm]
max. low-clamping force [kN]
seal
FKM (15)
seat check
pneumatic (15)
connection for positive air pressure protection
without (15)
Item no. CAD datatypefunctioningmax. operating pressure [bar]hydraulic ports
Item no.
4317100
CAD data
type
bore clamp
functioning
double acting
max. operating pressure [bar]
50
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
Item no.
4317110
CAD data
type
bore clamp
functioning
double acting
max. operating pressure [bar]
50
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
Item no.
4317120
CAD data
type
bore clamp
functioning
double acting
max. operating pressure [bar]
50
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
Item no.
4317200
CAD data
type
bore clamp
functioning
double acting
max. operating pressure [bar]
75
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
Item no.
4317210
CAD data
type
bore clamp
functioning
double acting
max. operating pressure [bar]
75
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
Item no.
4317220
CAD data
type
bore clamp
functioning
double acting
max. operating pressure [bar]
75
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
Item no.
4317300
CAD data
type
bore clamp
functioning
double acting
max. operating pressure [bar]
150
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
Item no.
4317310
CAD data
type
bore clamp
functioning
double acting
max. operating pressure [bar]
150
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
Item no.
4317320
CAD data
type
bore clamp
functioning
double acting
max. operating pressure [bar]
150
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
Item no.
4317400
CAD data
type
bore clamp
functioning
double acting
max. operating pressure [bar]
250
hydraulic ports
pipe thread and manifold connection with O-ring
Properties
Item no.
4317100
type
bore clamp
functioning
double acting
max. operating pressure [bar]
50
hydraulic ports
pipe thread and manifold connection with O-ring
centring function
with centring
body design
round design
min. clamping diameter [mm]
16
max. clamping diameter [mm]
21.9
max. low-clamping force [kN]
0.6
seal
FKM
seat check
pneumatic
connection for positive air pressure protection
without
Item no.
4317110
type
bore clamp
functioning
double acting
max. operating pressure [bar]
50
hydraulic ports
pipe thread and manifold connection with O-ring
centring function
with compensation
body design
round design
min. clamping diameter [mm]
16
max. clamping diameter [mm]
21.9
max. low-clamping force [kN]
0.6
seal
FKM
seat check
pneumatic
connection for positive air pressure protection
without
Item no.
4317120
type
bore clamp
functioning
double acting
max. operating pressure [bar]
50
hydraulic ports
pipe thread and manifold connection with O-ring
centring function
without centring
body design
round design
min. clamping diameter [mm]
16
max. clamping diameter [mm]
21.9
max. low-clamping force [kN]
0.6
seal
FKM
seat check
pneumatic
connection for positive air pressure protection
without
Item no.
4317200
type
bore clamp
functioning
double acting
max. operating pressure [bar]
75
hydraulic ports
pipe thread and manifold connection with O-ring
centring function
with centring
body design
round design
min. clamping diameter [mm]
22
max. clamping diameter [mm]
27.9
max. low-clamping force [kN]
1.3
seal
FKM
seat check
pneumatic
connection for positive air pressure protection
without
Item no.
4317210
type
bore clamp
functioning
double acting
max. operating pressure [bar]
75
hydraulic ports
pipe thread and manifold connection with O-ring
centring function
with compensation
body design
round design
min. clamping diameter [mm]
22
max. clamping diameter [mm]
27.9
max. low-clamping force [kN]
1.3
seal
FKM
seat check
pneumatic
connection for positive air pressure protection
without
Item no.
4317220
type
bore clamp
functioning
double acting
max. operating pressure [bar]
75
hydraulic ports
pipe thread and manifold connection with O-ring
centring function
without centring
body design
round design
min. clamping diameter [mm]
22
max. clamping diameter [mm]
27.9
max. low-clamping force [kN]
1.3
seal
FKM
seat check
pneumatic
connection for positive air pressure protection
without
Item no.
4317300
type
bore clamp
functioning
double acting
max. operating pressure [bar]
150
hydraulic ports
pipe thread and manifold connection with O-ring
centring function
with centring
body design
round design
min. clamping diameter [mm]
28
max. clamping diameter [mm]
33.9
max. low-clamping force [kN]
3.1
seal
FKM
seat check
pneumatic
connection for positive air pressure protection
without
Item no.
4317310
type
bore clamp
functioning
double acting
max. operating pressure [bar]
150
hydraulic ports
pipe thread and manifold connection with O-ring
centring function
with compensation
body design
round design
min. clamping diameter [mm]
28
max. clamping diameter [mm]
33.9
max. low-clamping force [kN]
3.1
seal
FKM
seat check
pneumatic
connection for positive air pressure protection
without
Item no.
4317320
type
bore clamp
functioning
double acting
max. operating pressure [bar]
150
hydraulic ports
pipe thread and manifold connection with O-ring
centring function
without centring
body design
round design
min. clamping diameter [mm]
28
max. clamping diameter [mm]
33.9
max. low-clamping force [kN]
3.1
seal
FKM
seat check
pneumatic
connection for positive air pressure protection
without
Item no.
4317400
type
bore clamp
functioning
double acting
max. operating pressure [bar]
250
hydraulic ports
pipe thread and manifold connection with O-ring
centring function
with centring
body design
round design
min. clamping diameter [mm]
34
max. clamping diameter [mm]
39.9
max. low-clamping force [kN]
5.5
seal
FKM
seat check
pneumatic
connection for positive air pressure protection
without
Accessories (306)
Item no. CAD data Description
Item no.
3338407
CAD data
Description
Segment clamping bushing Ø40.7 mm as per data sheet B1.481
Item no.
3338408
CAD data
Description
Segment clamping bushing Ø40.8 mm as per data sheet B1.481
Item no.
3338409
CAD data
Description
Segment clamping bushing Ø40.9 mm as per data sheet B1.481
Item no.
3338410
CAD data
Description
Segment clamping bushing Ø41.0 mm as per data sheet B1.481
Item no.
3338411
CAD data
Description
Segment clamping bushing Ø41.1 mm as per data sheet B1.481
Item no.
3338412
CAD data
Description
Segment clamping bushing Ø41.2 mm as per data sheet B1.481
Item no.
3338413
CAD data
Description
Segment clamping bushing Ø41.3 mm as per data sheet B1.481
Item no.
3338414
CAD data
Description
Segment clamping bushing Ø41.4 mm as per data sheet B1.481
Item no.
3338415
CAD data
Description
Segment clamping bushing Ø41.5 mm as per data sheet B1.481
Item no.
3338416
CAD data
Description
Segment clamping bushing Ø41.6 mm as per data sheet B1.481
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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.