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    Series
    B1.4841

    Bore clamp

    Articles and prices on request
    Block-type, 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
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    Operating instructions
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    Information Series
    Description
    B 1.4841 Bore clamp 

    The bore clamp is 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 4 segments of the clamping bushing are radially expanded with spring force by a conic clamping bolt. Thus the expansion force is always the same and independent of the hydraulic clamping pressure. Both unclamping of the clamping bushing and pull-down clamping of the workpiece are controlled hydraulically.
    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 connection of a pneumatic seat check.

    Video
    Products (12)
    Article available on request
    On request, we will check whether the article is still available
    body design
    block-type (12)
    type
    bore clamp (12)
    functioning
    double acting (12)
    max. operating pressure [bar]
    250 (12)
    hydraulic ports
    pipe thread and manifold connection with O-ring (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.
    4318111A
    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.
    4318111B
    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.
    4318111C
    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.
    4318111D
    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.
    4318111E
    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.
    4318211F
    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.
    4318211G
    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.
    4318211H
    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.
    4318211K
    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.
    4318211L
    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.
    4318111A
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    pipe thread and manifold connection with O-ring
    centring function
    without centring
    body design
    block-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.
    4318111B
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    pipe thread and manifold connection with O-ring
    centring function
    without centring
    body design
    block-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.
    4318111C
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    pipe thread and manifold connection with O-ring
    centring function
    without centring
    body design
    block-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.
    4318111D
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    pipe thread and manifold connection with O-ring
    centring function
    without centring
    body design
    block-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.
    4318111E
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    pipe thread and manifold connection with O-ring
    centring function
    without centring
    body design
    block-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.
    4318211F
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    pipe thread and manifold connection with O-ring
    centring function
    without centring
    body design
    block-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.
    4318211G
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    pipe thread and manifold connection with O-ring
    centring function
    without centring
    body design
    block-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.
    4318211H
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    pipe thread and manifold connection with O-ring
    centring function
    without centring
    body design
    block-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.
    4318211K
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    pipe thread and manifold connection with O-ring
    centring function
    without centring
    body design
    block-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.
    4318211L
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    pipe thread and manifold connection with O-ring
    centring function
    without centring
    body design
    block-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 (22)
    Article available on request
    On request, we will check whether the article is still available
    Item no. CAD data Description
    Item no.
    0361986
    CAD data
    Description
    Sealing plug G1/8 with thread sealing ring with hexagon socket SW4 max. 500 bar, as per data sheet F9.300
    Item no.
    0361987
    CAD data
    Description
    Sealing plug G1/4 with thread sealing ring with hexagon socket SW6 max. 500 bar, as per data sheet F9.300
    Item no.
    0431703F
    CAD data
    /
    Description
    Clamping set for bore clamps size 2, Ø 11.3 - 11.7 mm for bore clamp 4318-2X0F as per data sheet B1.4841
    Item no.
    0431703G
    CAD data
    /
    Description
    Clamping set for bore clamps size 2, Ø 11.8 - 12.7 mm for bore clamp 4318-2X0G as per data sheet B1.4841
    Item no.
    0431703H
    CAD data
    /
    Description
    Clamping set for bore clamps size 2, Ø 12.8 - 13.7 mm for bore clamp 4318-2X0H as per data sheet B1.4841
    Item no.
    0431703K
    CAD data
    /
    Description
    Clamping set for bore clamps size 2, Ø 13.8 - 14.7 mm for bore clamp 4318-2X0K as per data sheet B1.4841
    Item no.
    0431703L
    CAD data
    /
    Description
    Clamping set for bore clamps size 2, Ø 14.8 - 15.7 mm for bore clamp 4318-2X0L as per data sheet B1.4841
    Item no.
    0431703M
    CAD data
    /
    Description
    Clamping set for bore clamps size 2, Ø 15.8 - 16.7 mm for bore clamp 4318-2X0M as per data sheet B1.4841
    Item no.
    0431703N
    CAD data
    /
    Description
    Clamping set for bore clamps size 2, Ø 16.8 - 17.7 mm for bore clamp 4318-2X0N as per data sheet B1.4841
    Item no.
    0431704A
    CAD data
    /
    Description
    Clamping set for bore clamps size 1, Ø 7.8 - 8.2 mm for bore clamp 4318-1X0A as per data sheet B1.4841
    Application examples
    Application example 1

    Machining of an oil sump from 5 sides

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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.