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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
11244557891014162424262626262727347696105106
NMRV
/ NM
RVpo
wer
2
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
3
NMRV
/ NM
RVpo
wer
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
NMRV
/ NM
RVpo
wer
4
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