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    Series
    7.1800

    Power Units in Modular Design

    Operating pressure 30 to 500 bar
    flow rate 0.9 to 12 l/min
    reservoir sizes 11 l, 27 l, 40 l, 63 l
    Power Units in Modular Design
    Downloads
    Catalogue sheet
    USESFR
    Operating instructions
    Information Series
    Description
    7.1800 Power Units in Modular Design

    Operating pressure 30 to 500 bar, flow rate 0.9 to 12 l/min
    reservoir sizes 11 l, 27 l, 40 l, 63 l

     

    Application

    For the operation of hydraulic clamping fixtures and other handling and clamping systems on machine tools.

     

    Description

    The power units of this series consist of individual modules that are selected depending on the application and are assembled on the basis of a type code to a power unit ready for use.

     

    Modules

    •  Power unit (reservoir, pump, motor)
    •  Connecting block basic functions
    •  Valve block with up to 4 control circuits
    •  Electronics

     

    Characteristics

    •  For single and double acting cylinders
    •  Continuously adjustable operating pressure
    •  Expandable to up to 8 pressure circuits
    •  Constant flow rate
    •  Wide range of valves
    •  Wide range of hydraulic functions
    •  Energy-saving mode S3 (intermittent mode) or S6 (unpressurised cycle)
    •  Supplied ready for Connection

     

    Equipment - Standard

    •  Connecting block with pressure relief valve
    •  Pressure filter 10 μm
    •  Oil level gauge
    •  Oil temperature gauge
    •  Design without piping

     

    Equipment - Options

    • Electronic system pressure Switch with simplified pressure adjustment by teach-in function
    •  Pressure switch for machine tool interlock mechanically or electronically
    •  Electrical oil level control
    •  Electrical temperature control
    •  Return filter
    •  Electrical filter control
    •  Electric control
    •  Terminal box
    •  Foot switch or manual switch
    •  Key-operated Switch
    Products (12)
    type
    modular power unit (12)
    max. operating pressure [bar]
    500 (12)
    clamping circuits
    max. 4 clamping circuits (12)
    pressure switch
    option (12)
    max. flow rate [l/min]
    5,2+0,7 (12)
    oil volume of the reservoir [l]
    usable oil volume [l]
    switch
    max. 4 switches (12)
    valves
    option (12)
    nominal current motor [kW]
    0.75 (12)
    supply voltage
    3 ~ 230/400 V Y 50 Hz (12)
    electrical equipment
    option (12)
    oil level and temperature control
    option (12)
    handle
    option (12)
    Item no. CAD datatypemax. operating pressure [bar]clamping circuitspressure switch
    Item no.
    8459002
    CAD data
    type
    modular power unit
    max. operating pressure [bar]
    500
    clamping circuits
    max. 4 clamping circuits
    pressure switch
    option
    Properties
    Item no.
    8459003
    CAD data
    type
    modular power unit
    max. operating pressure [bar]
    500
    clamping circuits
    max. 4 clamping circuits
    pressure switch
    option
    Properties
    Item no.
    8459002
    type
    modular power unit
    max. operating pressure [bar]
    500
    clamping circuits
    max. 4 clamping circuits
    pressure switch
    option
    max. flow rate [l/min]
    5,2+0,7
    oil volume of the reservoir [l]
    63
    usable oil volume [l]
    31.5
    switch
    max. 4 switches
    valves
    option
    nominal current motor [kW]
    0.75
    supply voltage
    3 ~ 230/400 V Y 50 Hz
    electrical equipment
    option
    oil level and temperature control
    option
    handle
    option
    Item no.
    8459003
    type
    modular power unit
    max. operating pressure [bar]
    500
    clamping circuits
    max. 4 clamping circuits
    pressure switch
    option
    max. flow rate [l/min]
    5,2+0,7
    oil volume of the reservoir [l]
    63
    usable oil volume [l]
    31.5
    switch
    max. 4 switches
    valves
    option
    nominal current motor [kW]
    0.75
    supply voltage
    3 ~ 230/400 V Y 50 Hz
    electrical equipment
    option
    oil level and temperature control
    option
    handle
    option
    Accessories (3)
    Item no. CAD data Description
    Item no.
    3887121
    CAD data
    /
    Description
    Return filter control operating pressure: 0-10 bar material: housing: polyamide connecting part: steel, galvanized membrane: NBR seal: copper code class: IP 67 switching voltage: max. 30 VDC as per data sheet D8.026
    Item no.
    8000430
    CAD data
    /
    Description
    Pressure filter control for plug-type connector with illuminated display with snap switching element min. switching voltage: 12 VDC min. switching current: 10 mA at 24 VDC connection: connector, M 12, 4-pin as per data sheet D8.026
    Item no.
    9740049A
    CAD data
    Description
    Electronic pressure switch with classic parameterisation Operating voltage: 12..32 VDC Pressure range: 5..600 bar Operating temperature - 20..+80 °C Protection class (EN 60529): IP65 Pressure connection: G1/4A, SW 19 Electrical connection: M12 plug, 4-pole as per data sheet F9.734
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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.