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    Series
    B1.485

    Bore Clamps

    block-type eccentric
    for bore hole diameter 6.6 to12.3 mm
    double acting, max. operating pressure 250 bar
    Bore Clamps
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    Information Series
    Description
    B 1.485 Bore clamp 

    The patented bore clamp is particularly suitable for positioning and clamping of workpieces with bore holes from diameter 6.6 to 13.8 mm in the support face.
    The workpiece is directly put onto the bore clamp, so that the remaining surfaces are free for machining on 5 sides. Due to its small and eccentric design the bore clamp can be placed very close to the workpiece contour.
    The variants with centring and compensation can compensate side loads. According to the load additional clamping forces can be necessary, since the axial clamping force is relatively small.

    In the body of the bore clamp a double-acting hydraulic cylinder is mounted. By screwing in the clamping screw the piston actuates via a dowel pin a drive pin that 
    is eccentrically arranged at the edge of the housing. The clamping ring is centred on a taper sleeve and hold by the head of the clamping screw. 
    The clamping screw is secured by means of a thread coating against loosening. Penetration of liquids and swarf is avoided by the connection of positive air pressure protection.

    bore clamp B1.485
    bore clamp B1.485
    Products (12)
    body design
    block-type eccentric (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
    min. clamping diameter [mm]
    max. clamping diameter [mm]
    max. low-clamping force [kN]
    seal
    NBR (12)
    seat check
    pneumatic (12)
    connection for positive air pressure protection
    with (12)
    Item no. CAD datatypefunctioningmax. operating pressure [bar]hydraulic ports
    Item no.
    431921A066
    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.
    431921A090
    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.
    431922A066
    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.
    431921A090
    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.
    431923A066
    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.
    431923A090
    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.
    431931A110
    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.
    431931A135
    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.
    431932A110
    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.
    431931A135
    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.
    431921A066
    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
    block-type eccentric
    min. clamping diameter [mm]
    6.6
    max. clamping diameter [mm]
    6.8
    max. low-clamping force [kN]
    3.8
    seal
    NBR
    seat check
    pneumatic
    connection for positive air pressure protection
    with
    Item no.
    431921A090
    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
    block-type eccentric
    min. clamping diameter [mm]
    9
    max. clamping diameter [mm]
    9.2
    max. low-clamping force [kN]
    3.8
    seal
    NBR
    seat check
    pneumatic
    connection for positive air pressure protection
    with
    Item no.
    431922A066
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    pipe thread and manifold connection with O-ring
    centring function
    with compensation
    body design
    block-type eccentric
    min. clamping diameter [mm]
    6.6
    max. clamping diameter [mm]
    6.8
    max. low-clamping force [kN]
    3.8
    seal
    NBR
    seat check
    pneumatic
    connection for positive air pressure protection
    with
    Item no.
    431921A090
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    pipe thread and manifold connection with O-ring
    centring function
    with compensation
    body design
    block-type eccentric
    min. clamping diameter [mm]
    9
    max. clamping diameter [mm]
    9.2
    max. low-clamping force [kN]
    3.8
    seal
    NBR
    seat check
    pneumatic
    connection for positive air pressure protection
    with
    Item no.
    431923A066
    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 eccentric
    min. clamping diameter [mm]
    6.6
    max. clamping diameter [mm]
    6.8
    max. low-clamping force [kN]
    3.8
    seal
    NBR
    seat check
    pneumatic
    connection for positive air pressure protection
    with
    Item no.
    431923A090
    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 eccentric
    min. clamping diameter [mm]
    9
    max. clamping diameter [mm]
    9.2
    max. low-clamping force [kN]
    3.8
    seal
    NBR
    seat check
    pneumatic
    connection for positive air pressure protection
    with
    Item no.
    431931A110
    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
    block-type eccentric
    min. clamping diameter [mm]
    11
    max. clamping diameter [mm]
    11.3
    max. low-clamping force [kN]
    6.3
    seal
    NBR
    seat check
    pneumatic
    connection for positive air pressure protection
    with
    Item no.
    431931A135
    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
    block-type eccentric
    min. clamping diameter [mm]
    13.5
    max. clamping diameter [mm]
    13.8
    max. low-clamping force [kN]
    6.3
    seal
    NBR
    seat check
    pneumatic
    connection for positive air pressure protection
    with
    Item no.
    431932A110
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    pipe thread and manifold connection with O-ring
    centring function
    with compensation
    body design
    block-type eccentric
    min. clamping diameter [mm]
    11
    max. clamping diameter [mm]
    11.3
    max. low-clamping force [kN]
    6.3
    seal
    NBR
    seat check
    pneumatic
    connection for positive air pressure protection
    with
    Item no.
    431931A135
    type
    bore clamp
    functioning
    double acting
    max. operating pressure [bar]
    250
    hydraulic ports
    pipe thread and manifold connection with O-ring
    centring function
    with compensation
    body design
    block-type eccentric
    min. clamping diameter [mm]
    13.5
    max. clamping diameter [mm]
    13.8
    max. low-clamping force [kN]
    6.3
    seal
    NBR
    seat check
    pneumatic
    connection for positive air pressure protection
    with
    Accessories (14)
    Item no. CAD data Description
    Item no.
    0354245
    CAD data
    /
    Description
    Clamping ring + clamping screw clamping range Ø 6.6 - 6.8 mm as per data sheet B1.485
    Item no.
    0354246
    CAD data
    /
    Description
    Clamping ring + clamping screw clamping range Ø 9.0 - 9.2 mm as per data sheet B1.485
    Item no.
    0354247
    CAD data
    /
    Description
    Clamping ring + clamping screw clamping range Ø 11.0 - 11.3 mm as per data sheet B1.485
    Item no.
    0354248
    CAD data
    /
    Description
    Clamping ring + clamping screw clamping range Ø 13.5 - 13.8 mm as per data sheet B1.485
    Item no.
    3000343
    CAD data
    Description
    O-ring 8 x 1.5 mm, NBR as per data sheet B1.5091
    Item no.
    34101193
    CAD data
    /
    Description
    Adjusting sleeve clamping range Ø 6.6 - 6.8 mm as per data sheet B1.485
    Item no.
    34101194
    CAD data
    /
    Description
    Adjusting sleeve clamping range Ø 9.0 - 9.2 mm as per data sheet B1.485
    Item no.
    34101195
    CAD data
    /
    Description
    Adjusting sleeve clamping range Ø 11.0 - 11.3 mm as per data sheet B1.485
    Item no.
    34101196
    CAD data
    /
    Description
    Adjusting sleeve clamping range Ø 13.5 - 13.8 mm as per data sheet B1.485
    Item no.
    3548633
    CAD data
    /
    Description
    Clamping ring clamping range Ø 9.0 - 9.2 mm as per data sheet B1.485
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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.