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    Series
    B1.4842

    Bore clamp

    Articles and prices on request
    Flange-type version, without centring function
    double acting, for bore hole diameter 7.8 - 17.7 mm
    max. operating pressure 250 bar
    Bore clamp
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    Catalogue sheet
    No catalog sheets available.
    Operating instructions
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    Information Series
    Description
    B 1.4842 Bore clamp

    The bore clamps are particularly suited for clamping of workpieces with smooth bore holes from diameter 7.8 to 17.7 mm in the support surface.

    The bore clamp is a double-acting pull-type cylinder. An exchangeable clamping bushing is fixed to the piston. The four segments of the clamping bushing are radially expanded with spring force by a pyramid-shaped clamping bolt. Thus the expansion force is always the same and independent of the hydraulic clamping pressure. The workpiece is also held without hydraulics by means of the expanded clamping bushing. Both pull-down of the workpiece and unclamping of the clamping bushing are hydraulically controlled. Connecting the positive air pressure protection, the clamping bushing is protected against swarf and coolants. In the hardened support surface for the workpiece there is a bore hole for the pneumatic seat check.

    Video
    Products (12)
    Article available on request
    On request, we will check whether the article is still available
    body design
    manifold-mounting type (12)
    type
    bore clamp (12)
    functioning
    double acting (12)
    max. operating pressure [bar]
    250 (12)
    hydraulic ports
    O-ring manifold-mounting connection (12)
    centring function
    without centring (12)
    min. clamping diameter [mm]
    max. clamping diameter [mm]
    max. low-clamping force [kN]
    seal
    FKM (12)
    seat check
    pneumatic (12)
    connection for positive air pressure protection
    with (12)
    Item no. CAD datatypefunctioningmax. operating pressure [bar]hydraulic ports
    Item no.
    4318121A
    CAD data
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    O-ring manifold-mounting connection
    Properties
    Item no.
    4318121B
    CAD data
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    O-ring manifold-mounting connection
    Properties
    Item no.
    4318121C
    CAD data
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    O-ring manifold-mounting connection
    Properties
    Item no.
    4318121D
    CAD data
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    O-ring manifold-mounting connection
    Properties
    Item no.
    4318121E
    CAD data
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    O-ring manifold-mounting connection
    Properties
    Item no.
    4318221F
    CAD data
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    O-ring manifold-mounting connection
    Properties
    Item no.
    4318221G
    CAD data
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    O-ring manifold-mounting connection
    Properties
    Item no.
    4318221H
    CAD data
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    O-ring manifold-mounting connection
    Properties
    Item no.
    4318221K
    CAD data
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    O-ring manifold-mounting connection
    Properties
    Item no.
    4318221L
    CAD data
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    O-ring manifold-mounting connection
    Properties
    Item no.
    4318121A
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    O-ring manifold-mounting connection
    centring function
    without centring
    body design
    manifold-mounting type
    min. clamping diameter [mm]
    7.8
    max. clamping diameter [mm]
    8.2
    max. low-clamping force [kN]
    5.1
    seal
    FKM
    seat check
    pneumatic
    connection for positive air pressure protection
    with
    Item no.
    4318121B
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    O-ring manifold-mounting connection
    centring function
    without centring
    body design
    manifold-mounting type
    min. clamping diameter [mm]
    8.3
    max. clamping diameter [mm]
    9.2
    max. low-clamping force [kN]
    5.1
    seal
    FKM
    seat check
    pneumatic
    connection for positive air pressure protection
    with
    Item no.
    4318121C
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    O-ring manifold-mounting connection
    centring function
    without centring
    body design
    manifold-mounting type
    min. clamping diameter [mm]
    9.3
    max. clamping diameter [mm]
    9.7
    max. low-clamping force [kN]
    5.1
    seal
    FKM
    seat check
    pneumatic
    connection for positive air pressure protection
    with
    Item no.
    4318121D
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    O-ring manifold-mounting connection
    centring function
    without centring
    body design
    manifold-mounting type
    min. clamping diameter [mm]
    9.8
    max. clamping diameter [mm]
    10.2
    max. low-clamping force [kN]
    5.1
    seal
    FKM
    seat check
    pneumatic
    connection for positive air pressure protection
    with
    Item no.
    4318121E
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    O-ring manifold-mounting connection
    centring function
    without centring
    body design
    manifold-mounting type
    min. clamping diameter [mm]
    10.3
    max. clamping diameter [mm]
    11.2
    max. low-clamping force [kN]
    5.1
    seal
    FKM
    seat check
    pneumatic
    connection for positive air pressure protection
    with
    Item no.
    4318221F
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    O-ring manifold-mounting connection
    centring function
    without centring
    body design
    manifold-mounting type
    min. clamping diameter [mm]
    11.3
    max. clamping diameter [mm]
    11.7
    max. low-clamping force [kN]
    9.8
    seal
    FKM
    seat check
    pneumatic
    connection for positive air pressure protection
    with
    Item no.
    4318221G
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    O-ring manifold-mounting connection
    centring function
    without centring
    body design
    manifold-mounting type
    min. clamping diameter [mm]
    11.8
    max. clamping diameter [mm]
    12.7
    max. low-clamping force [kN]
    9.8
    seal
    FKM
    seat check
    pneumatic
    connection for positive air pressure protection
    with
    Item no.
    4318221H
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    O-ring manifold-mounting connection
    centring function
    without centring
    body design
    manifold-mounting type
    min. clamping diameter [mm]
    12.8
    max. clamping diameter [mm]
    13.7
    max. low-clamping force [kN]
    9.8
    seal
    FKM
    seat check
    pneumatic
    connection for positive air pressure protection
    with
    Item no.
    4318221K
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    O-ring manifold-mounting connection
    centring function
    without centring
    body design
    manifold-mounting type
    min. clamping diameter [mm]
    13.8
    max. clamping diameter [mm]
    14.7
    max. low-clamping force [kN]
    9.8
    seal
    FKM
    seat check
    pneumatic
    connection for positive air pressure protection
    with
    Item no.
    4318221L
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    O-ring manifold-mounting connection
    centring function
    without centring
    body design
    manifold-mounting type
    min. clamping diameter [mm]
    14.8
    max. clamping diameter [mm]
    15.7
    max. low-clamping force [kN]
    9.8
    seal
    FKM
    seat check
    pneumatic
    connection for positive air pressure protection
    with
    Accessories (18)
    Article available on request
    On request, we will check whether the article is still available
    Item no. CAD data Description
    Item no.
    0431704D
    CAD data
    /
    Description
    Clamping set for bore clamps size 1, Ø 9.8 - 10.2 mm for bore clamp 4318-1X0D as per data sheet B1.4841
    Item no.
    0431704E
    CAD data
    /
    Description
    Clamping set for bore clamps size 1, Ø 10.3 - 11.2 mm for bore clamp 4318-1X0E as per data sheet B1.4841
    Item no.
    2010911
    CAD data
    /
    Description
    Screw tools for threaded bushing for bore clamps size 1 as per data sheet B1.4841
    Item no.
    2010912
    CAD data
    /
    Description
    Screw tools for threaded bushing for bore clamps size 2 as per data sheet B1.4841
    Item no.
    3000274
    CAD data
    /
    Description
    O-ring 3.68 x 1.78 mm - FKM as per data sheet B1.4842
    Item no.
    3000342
    CAD data
    Description
    O-ring 7 x 1.5 mm, NBR as per data sheet B1.5091
    Item no.
    3000876
    CAD data
    /
    Description
    O-ring 3.68 x 1.78 mm - NBR as per data sheet B1.4842
    Item no.
    3001077
    CAD data
    Description
    O-ring 7 x 1.5 mm, FKM as per data sheet B1.5091
    Application examples
    Application example 1

    Machining of a plate from 5 sides on an indexing bridge

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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.