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    Series
    J7.201

    Pneumatic swing clamp

    for adjustable magnetic sensors
    double acting, max. operating pressure 7 bar
    Pneumatic swing clamp
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    Information Series
    Description
    Pneumatic swing clamps

    Application
    Pneumatic swing clamps are used for clamping of workpieces when it is essential to keep the clamping area free of straps and clamping components for unrestricted workpiece loading and unloading. Pneumatic swing clamps are used for applications which require only low clamping forces. The installed magnetic piston allows monitoring of clamping and unclamping position.

    Function
    A swing clamp is a pull-type cylinder where a part of the total stroke is used to swing the piston (swing stroke) and the screwed-on clamping arm.

    function
    function

    Description
    When pressurising the element, the clamping arm swings and lowers by 90° to the clamping position and then lowers to the clamping point. The position monitoring gives the required information regarding the position of the piston, but not regarding the position of the clamping arm. Monitoring is made by electronic sensors (see accessory) which detect the magnetic field of the magnetic piston. The switching points can be continuously adjusted by displacement of the magnetic sensors.


    Material
    The swing clamps are supplied in corrosion resistant quality. Guide bushing, housing, piston, and flange are made of anodized aluminium. The piston rod is made of stainless steel.

    Swing direction
    90° swing angle, alternatively available with clockwise or counterclockwise swing motion. "Swing direction cw" designates the clockwise rotation of the piston starting from the extended position (off-position). Accordingly, the "swing direction ccw" is a counterclockwise rotation.

    swing direction
    swing direction
    Threaded-body type J 7.201

    On fixtures flange-type swing clamps (flange is an accessory) or threaded-body types with corresponding collar nuts can be easily adjusted to different workpiece heights.

    Position monitoring with magnetic sensors

    A permanent magnet is fixed to the piston, and its magnetic field is detected by a magnetic electronic sensor.

    Compared with traditional reed switches the electronic magnetic sensors offer the following advantages:
    - indifference to shock and vibration
    - bounce-free output signal
    - only one switching point
    - wear resistant
    - protection against reverse battery
    - protected against short circuits

    Electrical connection is made as per traditional inductive proximity switches. Up to four magnetic sensors can be connected in series.
    Fixing of the magnetic sensors at the threaded-body type J7.201 is made by means of a hose clamp at the body of the swing clamp. At the block type J7.202 and at the top flange type J7.203 they are fixed in the slots of the body.

    Important notes

    Operating of these pneumatic elements has to be effected with an additional service unit in order to guarantee that the clamping elements are supplied with correctly prepared compressed air.
    In any case the swing motion must not be impeded.
    When using special clamping arms with other lengths, the corresponding operating pressures as shown in the clamping force diagram must not be exceeded.

    Products (10)
    body design
    with external thread (10)
    clamping arm seat
    cone 1:10 (10)
    clamping stroke [mm]
    swing stroke [mm]
    total stroke [mm]
    swing angle [°]
    90 (10)
    swing direction
    functioning
    double acting (10)
    piston diameter [mm]
    rod diameter [mm]
    max. operating pressure [bar]
    7 (10)
    position monitoring
    with accessory magnetic sensors (10)
    ports
    max. force to pull at 6 bar [N]
    Item no. CAD datafunctioningpiston diameter [mm]rod diameter [mm]max. operating pressure [bar]
    Item no.
    1873305
    CAD data
    functioning
    double acting
    piston diameter [mm]
    20
    rod diameter [mm]
    8
    max. operating pressure [bar]
    7
    Properties
    Item no.
    1873405
    CAD data
    functioning
    double acting
    piston diameter [mm]
    20
    rod diameter [mm]
    8
    max. operating pressure [bar]
    7
    Properties
    Item no.
    1874303
    CAD data
    functioning
    double acting
    piston diameter [mm]
    32
    rod diameter [mm]
    12
    max. operating pressure [bar]
    7
    Properties
    Item no.
    1874403
    CAD data
    functioning
    double acting
    piston diameter [mm]
    32
    rod diameter [mm]
    12
    max. operating pressure [bar]
    7
    Properties
    Item no.
    1875303
    CAD data
    functioning
    double acting
    piston diameter [mm]
    40
    rod diameter [mm]
    16
    max. operating pressure [bar]
    7
    Properties
    Item no.
    1875403
    CAD data
    functioning
    double acting
    piston diameter [mm]
    40
    rod diameter [mm]
    16
    max. operating pressure [bar]
    7
    Properties
    Item no.
    1876303
    CAD data
    functioning
    double acting
    piston diameter [mm]
    50
    rod diameter [mm]
    20
    max. operating pressure [bar]
    7
    Properties
    Item no.
    1876403
    CAD data
    functioning
    double acting
    piston diameter [mm]
    50
    rod diameter [mm]
    20
    max. operating pressure [bar]
    7
    Properties
    Item no.
    1877303
    CAD data
    functioning
    double acting
    piston diameter [mm]
    63
    rod diameter [mm]
    25
    max. operating pressure [bar]
    7
    Properties
    Item no.
    1877403
    CAD data
    functioning
    double acting
    piston diameter [mm]
    63
    rod diameter [mm]
    25
    max. operating pressure [bar]
    7
    Properties
    Item no.
    1873305
    functioning
    double acting
    piston diameter [mm]
    20
    rod diameter [mm]
    8
    max. operating pressure [bar]
    7
    body design
    with external thread
    position monitoring
    with accessory magnetic sensors
    clamping stroke [mm]
    7
    swing angle [°]
    90
    swing direction
    cw
    swing stroke [mm]
    7.5
    total stroke [mm]
    14.5
    clamping arm seat
    cone 1:10
    ports
    M5
    max. force to pull at 6 bar [N]
    158.3
    Item no.
    1873405
    functioning
    double acting
    piston diameter [mm]
    20
    rod diameter [mm]
    8
    max. operating pressure [bar]
    7
    body design
    with external thread
    position monitoring
    with accessory magnetic sensors
    clamping stroke [mm]
    7
    swing angle [°]
    90
    swing direction
    ccw
    swing stroke [mm]
    7.5
    total stroke [mm]
    14.5
    clamping arm seat
    cone 1:10
    ports
    M5
    max. force to pull at 6 bar [N]
    158.3
    Item no.
    1874303
    functioning
    double acting
    piston diameter [mm]
    32
    rod diameter [mm]
    12
    max. operating pressure [bar]
    7
    body design
    with external thread
    position monitoring
    with accessory magnetic sensors
    clamping stroke [mm]
    9
    swing angle [°]
    90
    swing direction
    cw
    swing stroke [mm]
    9.5
    total stroke [mm]
    18.5
    clamping arm seat
    cone 1:10
    ports
    M5
    max. force to pull at 6 bar [N]
    414.6
    Item no.
    1874403
    functioning
    double acting
    piston diameter [mm]
    32
    rod diameter [mm]
    12
    max. operating pressure [bar]
    7
    body design
    with external thread
    position monitoring
    with accessory magnetic sensors
    clamping stroke [mm]
    9
    swing angle [°]
    90
    swing direction
    ccw
    swing stroke [mm]
    9.5
    total stroke [mm]
    18.5
    clamping arm seat
    cone 1:10
    ports
    M5
    max. force to pull at 6 bar [N]
    414.6
    Item no.
    1875303
    functioning
    double acting
    piston diameter [mm]
    40
    rod diameter [mm]
    16
    max. operating pressure [bar]
    7
    body design
    with external thread
    position monitoring
    with accessory magnetic sensors
    clamping stroke [mm]
    15
    swing angle [°]
    90
    swing direction
    cw
    swing stroke [mm]
    17
    total stroke [mm]
    32
    clamping arm seat
    cone 1:10
    ports
    G 1/8
    max. force to pull at 6 bar [N]
    633.3
    Item no.
    1875403
    functioning
    double acting
    piston diameter [mm]
    40
    rod diameter [mm]
    16
    max. operating pressure [bar]
    7
    body design
    with external thread
    position monitoring
    with accessory magnetic sensors
    clamping stroke [mm]
    15
    swing angle [°]
    90
    swing direction
    ccw
    swing stroke [mm]
    17
    total stroke [mm]
    32
    clamping arm seat
    cone 1:10
    ports
    G 1/8
    max. force to pull at 6 bar [N]
    633.3
    Item no.
    1876303
    functioning
    double acting
    piston diameter [mm]
    50
    rod diameter [mm]
    20
    max. operating pressure [bar]
    7
    body design
    with external thread
    position monitoring
    with accessory magnetic sensors
    clamping stroke [mm]
    15
    swing angle [°]
    90
    swing direction
    cw
    swing stroke [mm]
    18
    total stroke [mm]
    33
    clamping arm seat
    cone 1:10
    ports
    G 1/8
    max. force to pull at 6 bar [N]
    989.6
    Item no.
    1876403
    functioning
    double acting
    piston diameter [mm]
    50
    rod diameter [mm]
    20
    max. operating pressure [bar]
    7
    body design
    with external thread
    position monitoring
    with accessory magnetic sensors
    clamping stroke [mm]
    15
    swing angle [°]
    90
    swing direction
    ccw
    swing stroke [mm]
    18
    total stroke [mm]
    33
    clamping arm seat
    cone 1:10
    ports
    G 1/8
    max. force to pull at 6 bar [N]
    989.6
    Item no.
    1877303
    functioning
    double acting
    piston diameter [mm]
    63
    rod diameter [mm]
    25
    max. operating pressure [bar]
    7
    body design
    with external thread
    position monitoring
    with accessory magnetic sensors
    clamping stroke [mm]
    18
    swing angle [°]
    90
    swing direction
    cw
    swing stroke [mm]
    23
    total stroke [mm]
    41
    clamping arm seat
    cone 1:10
    ports
    G 1/4
    max. force to pull at 6 bar [N]
    1575.8
    Item no.
    1877403
    functioning
    double acting
    piston diameter [mm]
    63
    rod diameter [mm]
    25
    max. operating pressure [bar]
    7
    body design
    with external thread
    position monitoring
    with accessory magnetic sensors
    clamping stroke [mm]
    18
    swing angle [°]
    90
    swing direction
    ccw
    swing stroke [mm]
    23
    total stroke [mm]
    41
    clamping arm seat
    cone 1:10
    ports
    G 1/4
    max. force to pull at 6 bar [N]
    1575.8
    Accessories (37)
    Item no. CAD data Description
    Item no.
    0187324
    CAD data
    Description
    Clamping arm 30 mm for 1873-X05 as per data sheet J7.201
    Item no.
    0187424
    CAD data
    Description
    Clamping arm 35 mm for 1874-X03 as per data sheet J7.201
    Item no.
    0187524
    CAD data
    Description
    Clamping arm 50 mm for 1875-X03 as per data sheet J7.201
    Item no.
    0187624
    CAD data
    Description
    Clamping arm 60 mm for 1876-X03 as per data sheet J7.201
    Item no.
    0187724
    CAD data
    Description
    Clamping arm 75 mm for 1877-X03 as per data sheet J7.201
    Item no.
    0345403
    CAD data
    Description
    Flange for 1X73-XXX as per data sheet J7.201
    Item no.
    0345404
    CAD data
    Description
    Flange for 1X74-XXX as per data sheet J7.201
    Item no.
    0345405
    CAD data
    Description
    Flange for 1X75-XXX as per data sheet J7.201
    Item no.
    0345406
    CAD data
    Description
    Flange for 1X76-XXX as per data sheet J7.201
    Item no.
    0345407
    CAD data
    Description
    Flange for 1X77-XXX as per data sheet J7.201
    Technology

    Clamping arm location
    To locate clamping arms or clamps, normally a cone seat at the piston of the swing clamp is used. The cone ratio is 1 to 10. This location is the same for all types of one size.


    Operating pressure
    The maximum admissible operating pressure is 7 bar. The minimum admissible operating pressure is 3 bar.


    Tolerance of the swing angle
    is ±2°.


    Dimension tolerances
    Dimensions without tolerance data correspond to the general tolerances in accordance with DIN ISO 2768 -mH.

    Swing clamps with magnetic sensors
    A permanent magnet is fixed to the piston, and its magnetic field is detected by a magnetic electronic sensor.


    - Influencing the magnetic field by adjacent, magnetisable components (e.g. steel parts):
    In order to guarantee perfect functioning, it is recommended to maintain a distance of at least 25 to 30 mm between magnetic sensor and magnetisable components. The function is indeed possible with a smaller distance but this depends highly on the individual circumstances for fitting. Thus ordinary steel bolts can also normally be used for fastening the cylinder. In borderline cases, screws of non-magnetisable steel (e.g. VA screws) can cause an improvement in the magnetic field.


    Influencing the magnetic field by adjacent magnetic sensors
    If several block cylinders with magnetic sensors are installed directly adjacent to one another, the magnetic sensors can have a reciprocal influence and malfunctions occur. A magnetisable steel sheet can help, placed between the block cylinders, i.e. magnetic sensors, as a shield.


    - Demands on voltage supply
    see data sheet G2.140


    - Path and switching hysteresis of approx. 3 mm
    This has to be considered already when adjusting the magnetic sensors. For static pistons, the magnetic sensor must always be pushed forward to the piston from the opposite direction.

    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.