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friction clutches - Arten Freios e Embreagens Industriais

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Table of ContentsWeb ProductsLINEAR ACTUATORSAccurate, positioning of roll stands for web guiding applicationsWEB GUIDING CONTROLS ◗Linear Actuators SpecificationsSpeedEnviron-Per Sec. Thrust Stroke Power mentalProduct Inches lbs. inches volts ProtectionNumber [mm] [newtons] [mm] amps Rating912730 .35 600 4 24 VDC IP51*[8,89] [2669] [100] 4.5 max912731 .35 600 6 24 VDC IP51*[8,89] [2669] [150] 4.5 max912732 .35 600 12 24 VDC IP51*[8,89] [2669] [300] 4.5 max912733 .39 900 8 24 VDC IP51*9,91 4000 200 4.5 max912734 .39 900 12 24 VDC IP51*9,91 4000 300 4.5 max* Protected against the ingess of dust and dripping waterLinear ActuatorsNexen’s Linear Actuatorsprovide the thrust that isrequired to move an unwindstand, a wind up roll stand or toconvert an existing hydraulicallyactuated web guiding mechanismto electrical actuation.Nexen’s Linear Actuators areavailable in several models withdifferent strokes.To ensure optimum responseand accuracy, roll stands shouldbe mounted on linear ball bearings.Sliding ways and wheeltrack systems have highercoefficients of <strong>friction</strong> whichrequires greater break awaythrust. Greater break awaythrust prevents accurate,minute corrections.CAUTION–Do NOT use theLinear Actuator for Radial(side) loads. The LinearActuator is designed for axial(thrust) loads ONLY.MAINTENANCEApply a few drops of lightmachine oil to the actuatingrod. The frequency in which theLinear Actuator will requirelubrication depends upon theworking environment.Features:• 24 VDC permanent magnetmotor• Built-in, end limit switches• Strong plastic housingprotects motor and gear.• Scratch-and wear-resistantpowder painted outer tube• Elegant and compact designwith small overall dimensions• 2000 mm (78.74") straightcable with DIN plug• Protection class: IP51• Ambient temperature:+41°F [5.0°C] to+104°F [40.0°C]• Black in color• Steel piston rod eye• Zinc alloy back fixture• CE markedLimit Switch AdjustmentsLinear ActuatorProduct Numbers912730, 912731, 912732These actuators haveadjustable internal limitswitches If there is a physicalobstruction or stop, then theLimit Switches can and must beadjusted to interrupt the LinearActuator's movement beforecontact is made with thephysical obstruction or stop.If there is no physical obstructionto travel, then the Limit Switchesmay be left in their factory setdefault positions.Linear Actuator ProductNumbers 912733, 912734These actuators have nonadjustableinternal limit switchesthat are factory pre-set for themaximum stroke length. Forapplications that require lessthan the maximum stroke, anexternal limit switch connectedto the web guide controller,must be installed.If there is a physical obstructionor stop that prohibits the use ofthe maximum stroke length,then an external limit switchMUST be installed to interruptthe Linear Actuator's movementbefore contact is made with thephysical obstruction or stop.Failure to use an external limitswitch will damage both theLinear Actuator and the webguiding mechanism.If there is no physical obstructionto travel, then the nonadjustable,internal limit switches may beused in their default position formaximum stroke length.Failure to use and adjustInternal or External LimitSwitches properly, can damageboth the Linear Actuator andthe Web Guiding Mechanism.331

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