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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
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    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.