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    Series
    B1.940

    Threaded-body work supports

    single acting
    max. operating pressure 500 bar
    Threaded-body work supports
    Downloads
    Catalogue sheet
    USESFR
    Operating instructions
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    Information Series
    Description
    B 1.940 Threaded-Body Work Supports

    Hydraulic work supports are used to provide a self-adjusting rest for the workpiece during the machining operations. They compensate the workpiece surface irregularities, also deflection and vibration under machining loads. Two sizes are available. The threaded-body design of the elements allows direct installation in clamping fixtures, in horizontal or vertical mounting position, and thereby a space-saving arrangement. Hydraulic oil is fed through drilled channels in the fixture body. Hydraulic locking is made together with hydraulic clamping of the workpiece, or independently.

    Types of operation

    For the support plunger there are 3 types of operation:

    Off-position extended

    The support plunger is pushed in by the workpiece against the spring force.

    Off-position retracted

    The support plunger extends pneumatically and returns by spring force.

    Off-position retracted

    The support plunger extends hydraulically with spring force and returns by spring force or hydraulically.

    Products (8)
    body design
    threaded-body type M30 (8)
    functioning
    single acting (8)
    max. operating pressure [bar]
    500 (8)
    seals
    NBR (8)
    hydraulic ports
    for drilled channels (8)
    position monitoring
    without (8)
    pressure range
    high pressure (8)
    wiper
    FKM (8)
    venting of the spring area
    without (8)
    self-locking
    without (8)
    bolt type
    with contact bolt (8)
    min. operating pressure [bar]
    100 (8)
    max. operating temperature [°C]
    80 (8)
    off-position
    extending
    return
    with spring force (8)
    contact
    plunger Ø [mm]
    16 (8)
    max. load force [kN]
    plunger stroke [mm]
    max. flow rate [cm3/s]
    spring contact force [N]
    pneumatic contact force [N/bar]
    elastic deformation [µm/kN]
    Item no. CAD datafunctioningmax. operating pressure [bar]sealshydraulic ports
    Item no.
    1940000
    CAD data
    functioning
    single acting
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    Properties
    Item no.
    1940010
    CAD data
    functioning
    single acting
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    Properties
    Item no.
    1941000
    CAD data
    functioning
    single acting
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    Properties
    Item no.
    1941010
    CAD data
    functioning
    single acting
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    Properties
    Item no.
    1942000
    CAD data
    functioning
    single acting
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    Properties
    Item no.
    1942005
    CAD data
    functioning
    single acting
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    Properties
    Item no.
    1942010
    CAD data
    functioning
    single acting
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    Properties
    Item no.
    1942015
    CAD data
    functioning
    single acting
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    Properties
    Item no.
    1940000
    functioning
    single acting
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    body design
    threaded-body type M30
    position monitoring
    without
    pressure range
    high pressure
    wiper
    FKM
    venting of the spring area
    without
    self-locking
    without
    bolt type
    with contact bolt
    min. operating pressure [bar]
    100
    max. operating temperature [°C]
    80
    off-position
    extended
    extending
    -
    return
    with spring force
    contact
    with spring force
    plunger Ø [mm]
    16
    max. load force [kN]
    6.5
    plunger stroke [mm]
    8
    max. flow rate [cm3/s]
    -
    spring contact force [N]
    7-12
    pneumatic contact force [N/bar]
    -
    elastic deformation [µm/kN]
    3.5
    Item no.
    1940010
    functioning
    single acting
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    body design
    threaded-body type M30
    position monitoring
    without
    pressure range
    high pressure
    wiper
    FKM
    venting of the spring area
    without
    self-locking
    without
    bolt type
    with contact bolt
    min. operating pressure [bar]
    100
    max. operating temperature [°C]
    80
    off-position
    extended
    extending
    -
    return
    with spring force
    contact
    with spring force
    plunger Ø [mm]
    16
    max. load force [kN]
    9.5
    plunger stroke [mm]
    8
    max. flow rate [cm3/s]
    -
    spring contact force [N]
    7-12
    pneumatic contact force [N/bar]
    -
    elastic deformation [µm/kN]
    4
    Item no.
    1941000
    functioning
    single acting
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    body design
    threaded-body type M30
    position monitoring
    without
    pressure range
    high pressure
    wiper
    FKM
    venting of the spring area
    without
    self-locking
    without
    bolt type
    with contact bolt
    min. operating pressure [bar]
    100
    max. operating temperature [°C]
    80
    off-position
    retracted
    extending
    with air pressure
    return
    with spring force
    contact
    with air pressure
    plunger Ø [mm]
    16
    max. load force [kN]
    6.5
    plunger stroke [mm]
    8
    max. flow rate [cm3/s]
    -
    spring contact force [N]
    7-12
    pneumatic contact force [N/bar]
    20
    elastic deformation [µm/kN]
    3.5
    Item no.
    1941010
    functioning
    single acting
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    body design
    threaded-body type M30
    position monitoring
    without
    pressure range
    high pressure
    wiper
    FKM
    venting of the spring area
    without
    self-locking
    without
    bolt type
    with contact bolt
    min. operating pressure [bar]
    100
    max. operating temperature [°C]
    80
    off-position
    retracted
    extending
    with air pressure
    return
    with spring force
    contact
    with air pressure
    plunger Ø [mm]
    16
    max. load force [kN]
    9.5
    plunger stroke [mm]
    8
    max. flow rate [cm3/s]
    -
    spring contact force [N]
    7-12
    pneumatic contact force [N/bar]
    20
    elastic deformation [µm/kN]
    4
    Item no.
    1942000
    functioning
    single acting
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    body design
    threaded-body type M30
    position monitoring
    without
    pressure range
    high pressure
    wiper
    FKM
    venting of the spring area
    without
    self-locking
    without
    bolt type
    with contact bolt
    min. operating pressure [bar]
    100
    max. operating temperature [°C]
    80
    off-position
    retracted
    extending
    hydraulic
    return
    with spring force
    contact
    with spring force
    plunger Ø [mm]
    16
    max. load force [kN]
    6.5
    plunger stroke [mm]
    8
    max. flow rate [cm3/s]
    25
    spring contact force [N]
    16-33
    pneumatic contact force [N/bar]
    -
    elastic deformation [µm/kN]
    3.5
    Item no.
    1942005
    functioning
    single acting
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    body design
    threaded-body type M30
    position monitoring
    without
    pressure range
    high pressure
    wiper
    FKM
    venting of the spring area
    without
    self-locking
    without
    bolt type
    with contact bolt
    min. operating pressure [bar]
    100
    max. operating temperature [°C]
    80
    off-position
    retracted
    extending
    hydraulic
    return
    with spring force
    contact
    with spring force
    plunger Ø [mm]
    16
    max. load force [kN]
    6.5
    plunger stroke [mm]
    15
    max. flow rate [cm3/s]
    25
    spring contact force [N]
    10-22
    pneumatic contact force [N/bar]
    -
    elastic deformation [µm/kN]
    3.5
    Item no.
    1942010
    functioning
    single acting
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    body design
    threaded-body type M30
    position monitoring
    without
    pressure range
    high pressure
    wiper
    FKM
    venting of the spring area
    without
    self-locking
    without
    bolt type
    with contact bolt
    min. operating pressure [bar]
    100
    max. operating temperature [°C]
    80
    off-position
    retracted
    extending
    hydraulic
    return
    with spring force
    contact
    with spring force
    plunger Ø [mm]
    16
    max. load force [kN]
    9.5
    plunger stroke [mm]
    8
    max. flow rate [cm3/s]
    25
    spring contact force [N]
    16-33
    pneumatic contact force [N/bar]
    -
    elastic deformation [µm/kN]
    4
    Item no.
    1942015
    functioning
    single acting
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    body design
    threaded-body type M30
    position monitoring
    without
    pressure range
    high pressure
    wiper
    FKM
    venting of the spring area
    without
    self-locking
    without
    bolt type
    with contact bolt
    min. operating pressure [bar]
    100
    max. operating temperature [°C]
    80
    off-position
    retracted
    extending
    hydraulic
    return
    with spring force
    contact
    with spring force
    plunger Ø [mm]
    16
    max. load force [kN]
    9.5
    plunger stroke [mm]
    15
    max. flow rate [cm3/s]
    25
    spring contact force [N]
    10-22
    pneumatic contact force [N/bar]
    -
    elastic deformation [µm/kN]
    4
    Accessories (4)
    Item no. CAD data Description
    Item no.
    0131081
    CAD data
    /
    Description
    Seal kit, external seals for 1941-000/-010 and 1941-002/-012 as per data sheet S0.001
    Item no.
    3000842
    CAD data
    /
    Description
    Seal Delrin 28 x 22 x 1,5 mm see page B1.460
    Item no.
    3467086
    CAD data
    Description
    Connecting housing f. 1462-XXX M38 x 1,5 x 58 mm long 500 bar, see page B1.460
    Item no.
    3467112
    CAD data
    Description
    Mounting body flange for 1941-0XX with pneumatic port max. 500 bar, as per data sheet B1.940
    Error loading CAD data. Please check your internet connection and try again.
    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.