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    NMRV

    / NM

    RVpo

    wer

    NMRV / NMRVpowerWorm Gear Reducers and Gearmotors

    www.motovario-group.com

    Symbols.................................................................................................................................................................................................................................................................................. .Specification............................................................................................................................................................................................................................................................................Modularity................................................................................................................................................................................................................................................................................Service.factor..........................................................................................................................................................................................................................................................................Critical.applications.................................................................................................................................................................................................................................................................Installation...............................................................................................................................................................................................................................................................................Overhung.load.(OHL).............................................................................................................................................................................................................................................................Moments.of.inertia..................................................................................................................................................................................................................................................................Lubrication...............................................................................................................................................................................................................................................................................Design.features.......................................................................................................................................................................................................................................................................Nomenclature..........................................................................................................................................................................................................................................................................Versions..................................................................................................................................................................................................................................................................................Standard.input.flange..............................................................................................................................................................................................................................................................Efficiency.................................................................................................................................................................................................................................................................................Irreversibility............................................................................................................................................................................................................................................................................Gear.mesh.data......................................................................................................................................................................................................................................................................Angular.backlash....................................................................................................................................................................................................................................................................Design.features.PC/HW..........................................................................................................................................................................................................................................................Design.features.PC.................................................................................................................................................................................................................................................................Motor.mounting.with.input.flange.-.NMRV-P..........................................................................................................................................................................................................................Mounting.positions..................................................................................................................................................................................................................................................................Ratings.NMRV/NMRV-P.........................................................................................................................................................................................................................................................Ratings.NRV/NRV-P...............................................................................................................................................................................................................................................................Dimensions.............................................................................................................................................................................................................................................................................Electric.motors........................................................................................................................................................................................................................................................................Accessories.............................................................................................................................................................................................................................................................................

    Contents

    P. =. Power.(.HP.)M. =. Torque.(.in-lb.)n. =. Speed.(.RPM.)i. =. Reduction.ratioF. =. Load.(.lb.)m. =. Weight.(.lb.)s.f.. =. Service.factor1. =. Input.shaft2. =. Output.shaftr. =. Overhung.load.(OHL)a. =. Thrust.load.s. =. Staticd. =. Dynamicmax. =. Maximummin. =. Minimum

    Symbols

    On.request,.reducers.can.be.manufactured.in.compliance.with.the.directive:.ATEX.94/9/CE.categories:.2GD..T=135.C.(T4).. . . 3GD..T=135.C.(T4).with.n1.max.=.1750.rpm.

    Specification

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  • NMRV

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    NMRV / NMRVpowerWorm Gear Reducers and Gearmotors

    www.motovario-group.com

    -.Worm.gear.reducers.and.gearmotorsNMRV 025-150

    -.Worm.gear.reducer

    -.Pre-stage.reduction.unit

    -.Combined.worm.gear.reducers.and.gearmotors

    -.Combined.worm.gear.reducer

    PC

    NMRV 025-050NMRV130-150

    NMRV-NMRV...

    NRV-NMRV...

    NRV 030-150

    PC

    NMRV-NMRV...

    NRV-NMRV...

    NRV 030-050NRV 130-150

    Modularity

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    NMRV

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    NMRV / NMRVpowerWorm Gear Reducers and Gearmotors

    www.motovario-group.com

    NMRVpower063-075/HW30NMRVpower090-110/HW40

    NMRV-NMRVpower...NMRVpower-NMRV...

    NMRVpower-NMRVpower...

    NRVpower063-110

    NRV-NMRVpower...

    -.Worm.gear.reducers.and.gearmotors.NMRVpower 063-110

    -.Worm.gear.reducerNRVpower 063-110

    -.Worm.gear.reducers.and.gearmotors.with.pre-stageNMRVpower/HW

    -.Combined.worm.gear.reducers.and.gearmotorsNMRV-NMRVpower...

    -.Combined.worm.gear.reducerNRV-NMRVpower...

    NMRVpower063-110

    input kit

    HW kit

    NMRVpower063-110 base(distribution network)

    Modularity

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    NMRV / NMRVpowerWorm Gear Reducers and Gearmotors

    www.motovario-group.com

    The.service.factor.(s.f.).depends.on.the.operating.conditions.the.gear.reducer.is.subjected.to.The.parameters.that.need.to.be.taken.into.consideration.to.select.the.most.adequate.service.factor.correctly.comprise:-.Type.of.load.of.the.operated.machine.:.A.-.B.-.C-.Length.of.daily.operating.time:.hours/day.()-.Start-up.frequency:.starts/hour.(*)

    LOAD:. A.-.uniform. fa..0.3. . B.-.moderate.shocks. fa..3. . C.-.heavy.shocks. fa..10

    The.ratings.given.in.the.catalogue.correspond.to.mounting.position.B3.or.similar,.ie..when.the.first.stage.is.not.entirely.immersed.in.oil..For.other.mounting.positions.and/or.particular.input.speeds,.refer.to.the.tables.that.highli