Falk Ultramite UW Right-Angle Helical Worm Gear Drives

96 Pages·2011·1.24 MB·English

Gear Catalog
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Falk Ultramite UW Right-Angle
Helical Worm Gear Drives
(Inch)
FALK ULTRAMITE
™ ®
Delivers Local Availability, NEMA/IEC Compatibility Plus Drop-in Replacement
It’s a winning combination. Start with a compact size that’s the Falk Ultramite UW
perfect fit for the .19KW/.25HP through 37KW/100HP power Right-Angle Helical Worm
range. You can choose a standard plug-in high-efficiency NEMA/IEC • 8 sizes
motor from stock for an easy bolt-up mounting to the gear drive.
• .19KW to 37KW (1/4 hp to 100
Add positive torque transfer without corrosion or fretting, energy hp) capacity
efficiency over worm gear drives and quick availability no matter • Ratios from 8:1 through
where you’re located – and you’ve got the Falk Ultramite, a genuine 60,000:1
contender in the fight for increased factory floor productivity. • C-face and solid inputs,
inch or metric
What’s more, the Ultramite is backed up by Rexnord, a global
• Base, shaft, or flange mounted
leader in the power transmission and conveying industry. It’s got
designs
the right size, the right statistics and the right name.
• Solid or hollow outputs with
The Ultramite – it delivers just the right punch. TA Taper® bushings (exclusive
lifetime removal guarantee)
• Horizontal or vertical mounting
Local Availability
While still offering superior
The Ultramite product line is
efficiency to traditional worm
assembled from a family of
gears, this design is the lowest-cost
convenient, cost-saving kitted sub-
right-angle solution in the
assemblies. The Ultramite
Ultramite family. Helical,
sub-assembly kits are stocked at
high-speed gearing and durable,
Rexnord facilities and distributors,
long-lasting performance make it
offering a wide range of sizes,
ideal wherever an affordable, low
ratios and types for assembly. This
horse-power right-angle drive is
totally modular approach to your
required.
complete gear drive and spare
parts requirements ensures
maximum local availability with Customer Preferred Motors
the quickest possible turnaround
The Ultramite accepts standard,
times. In fact, completed
off-the-shelf NEMA/IEC C-face and
assemblies can be available within
flange mounted motors, permitting
hours.
the use of customer-preferred
motor brands. The Ultramite
accommodates industry-standard
frame sizes and the choice of
motor manufacturer and
specifications is up to you, without
costly motor adapter systems and
special replacement motors – ideal
for use with variable speed motors
and drives.
2
Patented Bushing
An innovative motor bushing
eliminates fretting between motor
and gear drive and delivers
positive torque transfer. This
patented design offers easy
installation and allows quick,
trouble-free changeout even after
years of hard, continuous use.
Application Flexibility
The modular design of the entire
Ultramite product line allows
accessories to be quickly and
easily fitted to the drive,
delivering the versatility and
flexibility needed for maximum
application coverage. All four
designs accommodate single or
double solid output shafts.
Additional accessories combined
with other Rexnord products,
provide the ideal system match
for your specific application.
Cost Savings
Ultramite drives are more efficient than worm gearing. As a result, a
smaller motor may be used at times in comparable selections, providing
the customer both initial and long-term savings over worm gear drives.
Ultramite vs. Worm Gear Drives
High Operating Efficiency Means Savings
100
90 Savings
80 Savings
70
%60
Efficiency 5400
30
20
10
0
10 20 30 40 50 60 80 100 125 150 200 250
Ratios
Ultramite UC, UJ, Helical and UB Helical Bevel
Ultramite UW Helical Worm
Typical Worm Gear Drives
3
UUllttrraammiittee UUWW SSeelleeccttiioonn GGuuiiddee
4
Selection Guide 281-210, May 2007
Iftheprimarypurposeoftheapplicationismaterialconveyance
Table of Contents
andoccasionallypeoplearetransported,theRexnordwarranty
mayremainineffectprovidedthedesignloadconditionsarenot
UW – Right Angle Helical-Worm
exceededandcertificationtotheappropriatesafetycodesand
UW–BasicInformation&ConditionsAffectingSelection...............5&6
loadconditionshasbeenobtainedbythesystemdesignerorend
UW–HowtoSelect&Order...................................7&8
userfromtheappropriateenforcementauthorities.
UW–GearDrives&Accessories....................................9
GearDriveRatings—Allgeardriveratingsinthisbulletinallow
ServiceFactors............................................10&11
100%overloadforstartingloadsandmomentaryoverloadsfor
UW–DriveNomenclature .......................................12
electricmotordrivenapplicationsoperating10hoursperday
UW–ThermalRatings&ThermalApplicationCorrectionFactors...........13
underuniformconditions.Forotherconditions,computean
UW–ExactRatios.........................................14&15
equivalenthorsepowerbymultiplyingtheactualhorsepower
UW–Drive&MotorMountingPositions.............................16
requiredfortheapplicationbytheappropriateServiceFactor.
UW–MotorAdapterSymbols.................................17&18
UW–MotorDetail(NEMAC-Face).................................19 GearDriveIdentification—Tablesinthisselectionguide
UW–GearmotorSelectionTables, identifygeardrivesbasedonthedrivenomenclature.
LSSOHL&PartNumbers................................20-42
Horsepower&Torque/GearmotorDrives—GearmotorDrive
UW–GearDriveOverhungLoads.............................55&56
mechanicalhorsepoweranddeliveredtorqueratingsaretabulated
UW–ThrustLoads.............................................57
onlyat1750rpm.Horsepower,outputtorque,andLSSOHLratings
UW–MomentsofInertia(WR2) ...............................58&59 forGearmotorDrivesdonotalwayscorrespondtothoseofthe
UW–GearDriveHorsepower&TorqueTables....................60-75 comparableInlineGearDriveofthesamesize,reduction,andratio.
UW–GearDrivePartNumbers................................76-79 InselectedcasestheGearmotorDrivewillhavemoreratingthanthe
UW–ComponentPartNumbers...............................90-92 correspondingInlineGearDrive.Whenadditionalratingfor
UW–DriveHoldDownBolts .....................................91 GearmotorDrivesat1750rpminputisavailable,itwillbeasstated
UW–ApproximateShippingWeights ...............................94 intheGearmotorDriveSelectionTables.ForGearmotorDriveratings
UW – Dimensions atinputspeedsotherthan1750rpm,consultFactory.
UW–HollowOutputShaft(Dimensions).............................93 Horsepower&Torque/GearDrives—GearDrivemechanical
UW–BasicGearmotorDrive&FlangeMounted horsepowerandoutputtorqueratingsaretabulatedinthe
w/Drywell...........................................43-54 SelectionGuidetopermitselectionsforspecificapplication
UW–BasicGearmotorDrivewithTATaperBushing....................51 requirements.Whentherequiredinputspeedfallsbetweentwo
UW–BasicGearDrive&FlangeMountedw/Drywell................80-89 tabulatedinputspeedsofaspecificdrivedesignation(size,
UW–Components&Accessories ..............................90-92 reductionandratio),interpolatetodeterminedriverating.
Lubricants—DriveSizes03,04,05&06UWwillbesupplied
Basic Information
filledwithaquantityofGlygoyleHESyntheticlubricantsuitablefor
thedrivemountingpositionspecifiedatthetimeoftheorder.
Safety Notes DriveSizes07,08,09&10UWaresuppliedwithoutlubricant.
Theappropriatefillquantitiesandlubricantrecommendationsare
FalkGearDrives—TheFalkandRexnordnameonthegear
statedinManual288-200forUWdrives.
driveisthepurchaser’sassurancethatthedrivewasengineered,
ratedandmanufacturedtosounddesignpractices. Stored&InactiveGearDrives—Eachgeardriveisprotected
withrustpreventivethatwillprotectpartsagainstrustforaperiod
Thepowersuppliedtothegeareddrivemustbeequaltoorless
of6monthsinanindoordryshelter.
thanthepowerforwhichthedrivewasselectedusingthe
appropriateservicefactorfortheapplication.Thecustomermust Sizes07thru10UW—Ifageardriveistobestored,oris
alsoassumetheresponsibilityofisolatingthegeardrivefromany inactiveafterinstallationbeyondtheaboveperiods,drainoilfrom
vibratoryortransientloadinducedbythedrivenequipment. housingandsprayallinternalpartswitharustpreventiveoilthatis
solubleinlubricatingoiloradd“Motorstor”(cid:2)vaporphaserust
InstallandoperateRexnordproductsinconformancewith
inhibitorattherateofoneouncepercubicfootofinternaldrive
applicablelocalandnationalsafetycodesandperRexnord
space(or5%ofsumpcapacity)androtatetheshaftsseveraltimes
installationmanualswhichareshippedwithgeardrivesandare
byhand.Beforeoperating,driveswhichhavebeenstoredor
alsoavailableuponrequest.Suitableguardsforrotatingmembers
inactivemustbefilledtotheproperlevelwithoilmeetingthe
maybepurchasedfromRexnordasoptionalaccessories.Consult
specificationsgiveninManual 288-200forUWdrives.Referto
yourlocalRexnordRepresentativeforcompletedetails.
Manual128-014for“Start-upafterStorage”instructions.
PeopleConveyingEquipment—SelectionofRexnordgear
Periodicallyinspectstoredorinactivegeardrivesandsprayoradd
drivesforapplicationswhoseprimarypurposeisthetransportation
rustinhibitoreverysixmonths,ormoreoftenifnecessary.Indoor
ofpeopleisnotapproved.Thisincludessuchapplicationsas
drystorageisrecommended.
freightorpassengerelevators,escalators,manlifts,worklift
platformsandskitowsandskilifts. Geardrivesorderedforextendedstoragecanbetreatedatthe
Factorywithaspecialpreservativeandsealedtorust-proofparts
forperiodslongerthanthosecitedpreviously.
FactoryWarranty—Falkproductsgenerallycarryalimited,
one-yearwarrantyagainstdefectsinmaterialsorworkmanship;
butforanactualstatementoftheFactoryWarranty,askyourlocal
RexnordRepresentativeorFalk/RexnordDistributorforour
StandardConditionsofSale.
Copyright1998,2007.RexnordIndustries,LLC.
AllRightsReserved.LithoinUSA.RENEW,REXNORDandULTRAMITEareregistered
trademarks.FalkisatrademarkofRexnord.
Thecontentsofthisbulletinaresubjecttochangewithoutnoticeorobligation.
Informationcontainedhereinshouldbeconfirmedbeforeplacingorders.
©RexnordIndustries,LLC,1998,2007. (281-210)5
Conditions Affecting Selections
Non–Standard Application Procedures OtherLubricantsforUWDrives—Theuseofotherlubricants
willcauseamechanicalandthermalderatingofthedrive.Useof
Thefollowingconditionsmayaffectthegeardriveselection
astraightminerallubricantwillderatethedriveby15%.
procedure,drivesizeandauxiliaryequipmentbeingfurnished.
VariableorMulti–SpeedApplications–AllTypes
ExcessiveOverloads—Themaximummomentaryorstarting
loadmustnotexceed200%ofratedload(100%overload).Rated Whenselectinggeardrivesformulti-speedorvariablespeed
loadisdefinedasgeardriveratingwithaServiceFactorof1.0.If application,determinethespeedwhichdevelopsthegreatest
themaximumstartingormomentaryloadexceedstheabove torqueandselectthedriveonthisbasis.Ifthespeedisnotlistedin
conditions,computeasecondequivalenthorsepowerbydividing theselectiontable,usethenextlowerspeed.
thepeakloadbytwo.Thegeardriveselectedmusthavecapacity EffectsofSolarEnergy—Ifadriveoperatesinthesunat
equalto,orinexcessof,thelargerequivalenthorsepower. ambienttemperaturesover100°F,thenspecialmeasuresmustbe
ReversingService—Applicationsinvolvingeithermorethan20 takentoprotectthedrivefromsolarenergy.Thisprotectioncan
reversalsper10hourperiod,orlessthan20reversalsper10 consistofacanopyoverthedriveorreflectivepaintonthedrive.If
hourperiodwithpeaktorquesgreaterthan200%ofnormalload neitherispossible,aheatexchangerorothercoolingdevicemay
mustbereferredtoFactory. berequired.
StopandStartService—Applicationsinvolvingfrequent OverhungLoadsandThrustLoads—Theoverhungloadand
stopandstartoverloadsinaccessof10timesperdaymustbe thrustloadratingspublishedinthisbulletinarebasedona
referredtoFactory. combinationofthemostunfavorableconditionsofrotation,
speed,directionofappliedloadanddriveloading.Ifthe
BrakeEquippedApplications—Whenageardriveisequipped
calculatedloadexceedsthepublishedvalue,orifanoverhung
witha“working”brakethatisusedtodeceleratethemotionofthe
loadandthrustloadareappliedsimultaneouslytoashaft,refer
systemandthebrakeislocatedbetweentheprimemoverandthe
completeapplicationinformationtoFactory.
geardriveorontherearofthemotor,selectthedrivebasedon
thebrakeratingorthehighestequivalenthorsepower,whicheveris Non-StandardMountingPositions—Fornon-standard
greater.Ifthebrakeisusedforholdingonlyandisappliedafter mountingpositions(otherthanthoseshowninthisSelection
themotionofthesystemhascometorest,thebrakeratingmust Guide)refertoFactoryforlubricantlevelandquantity.
belessthan200%ofthecatalograting,refertheapplicationto DoubleSealOption—Certainapplicationsmaydictatetheuse
Factory.AlsorefertoFactoryallapplicationsinwhichthebrakeis ofdoubleseals.Thisoption,providedatanadditionalcharge,is
locatedontheoutputshaftofthegeardrive. furnishedasfollows:
OversizePrimeMover—PublishedServiceFactorsdonotcover Gearmotors—Adoublesealisavailableonlyatthelow
applicationsthatrequireoversizeprimemoversforhighenergyorpeak speedshaft.
loads.RefersuchapplicationstoFactoryforselectionofsuitabledrives.
InlineDrives—Adoublesealisfurnishedatboththehighspeed
SpeedVariation—GeardrivesofferedinthisSelectionGuide andlowspeedshafts.
aredesignedtooperatewithsplashlubricationatallspeedsfor
OperatingTemperatureforUWDrives—Thermalratings
whichtheyarecatalogued,providedtheappropriateamountof
publishedareforhelical-wormgearmotorsandarebasedupon
lubricantispresentbasedonthedrivemountingposition(Referto
thedrivebeingmountedinposition#1,ambienttemperature
Manual288-200foroilquantityassociatedwitheachgeardrive
equalto68°F(20°C)andthedrivetobemountedwithaTEFC
mountingposition).Variationofspeedbetweencatalogedspeeds,
motoronly.TheUWhelical-wormdrivesarethermallylimitedin
oratspeedsfallingbetweencataloguedspeeds,ispermissible.
manycases.Helical-wormgearmotorselectionsshouldbe
LubricationofSizes03,04,05&06UW—Thesefoursizes checkedbyusingtheThermalRatingAdjustmentTableonPage
arefurnishedfilledwithaquantityofoil.Quantityofoilfurnished 13.ConsultFactorywhennotusingaTEFCmotororifthe
isbasedonthecustomeridentifieddrivemountingpositionstated helical-wormgeardriveselectionexceeds80%ofthepublished
atthetimeoforder.Standarddrivemountingpositions(positions1 thermalratingofthecomparablemotorizeddriveafterapplying
thru6)areshownonPage16ofthisSelectionGuide.Thesefour theThermalApplicationCorrectionFactorFormulaonPage13.
sizeshaveoneoildrainplug.Standardoilfurnishedwiththegear
driveisapolyalphaolefin(PAO)basedsyntheticlubricant
conformingtoAGMAViscosityGrade7S,ISOViscosityGrade
460,andnofurtherlubricationofthegeardriveisrequired.
LubricationofSizes07,08,09&10UW—Thesesizesare
furnishedwithoutoil.Customeroilfillisrequired.Theyare
furnishedwithoilfillplug,oildrainplug,andventplug.Lubricant
quantitylubricantspecifications,locationofplugs,and
recommendedoilchangefrequencyarestatedintheInstallation&
MaintenanceGuide288-200forUWdrives.
Reference Notes
(cid:2)Dimensionsareforreferenceonlyandwillvarywithmotor
General Information manufacturer.
†Forhigherratioselections,consultFactory.
– Rexnordstandardsapplyunlessotherwisespecified.
Checkthermalinputhpratings.Selectiontablesarebasedon
– Alldimensionsareforreferenceonlyandaresubjectto mechanicalinputhpratingsonly.
changewithoutnoticeunlesscertified. ‡ThermalratingsarebaseduponthefittingofTEFCmotoron
gearmotors.ForgeardrivesconsultFactory.
– H.S.ShaftorHSS=HighSpeedShaft.
– L.S.ShaftorLSS=LowSpeedShaft.
6(281-210) ©RexnordIndustries,LLC,1998,2007.
UW – How to Select & Order Gearmotors
Before making any selections, refer to the Basic Information and Conditions Affecting
Selections on Pages 5 and 6.
Selection of Helical-Worm Gearmotors Example
1. DetermineServiceFactor—SeePages10&11. Application:Beltconveyor,heavyduty,headshaftspeedis125
2. DetermineMotorHorsepower. rpm,basicdriveconfigurationwithBanjoTorqueArmisspecified.
3. DetermineGearmotorOutputSpeedandRatio. DutyCycle:16hoursperday.
4. GearmotorSelectiontablesareincludedonPages20through
Driver:2hpelectricmotor,1750rpm,143TCframe.
42.Thesetablesassumeamotorbasespeedof1750rpm.
Forratingsatothermotorbasespeeds,consultyour Ambienttemperature:80°F(27°C).
authorizedRexnordSalesRepresentative. 1. ServiceFactorfromPage11is1.50.
Gotothepagethatcontainsselectionsbasedonthespecific 2. MotorHorsepoweris2.00hp.
C–Facemotoryouwillbeusing.Forexample,selectionsfor 3. Headshaftspeed125rpm(ratiois1750/125=14:1)
.50hp,1750rpm,56CframemotorsaretabulatedonPages 4. Fromthehelical-wormgearmotorselectionguideonPage32,
24&25. theappropriatehelical-wormgearmotoristheSize
04UWAQ2A14.A_B,partnumber4760387(shaftmounted),
Startingatthetopofthefirstselectionpagepertinenttoyour
exactratio14.95:1,1.50servicefactor,overhungloadof
motorrequirement,movedowntheselectionsuntila
1771(notrequiredforthisexample).
gearmotormeetingyouroutputspeed,ratio,reduction,and
5. Specifymountingpositionandmotormountingposition(if
servicefactorrequirementsislocated.
mountingmotorisrequested)fromPage16forourexample,
Forexampleconsideranapplicationwitha.50hp,1750 thedrivemountingpositionismountedinPosition#1.
rpm/56Cframemotor,outputspeedof45rpm,nominalratio 6. CheckThermalRating—FromratingtablesonPages64&
of40:1,andarequiredservicefactorof1.75. 65,findthethermalhpcapacityforthedrive.Thethermalhp
Pages24&25containsselectionsfora.50hp,1750 capacityforthedriveis4.02hp.Calculatethethermalrating
rpm/56Cframemotor. fromthethermalformulasandtablesfoundonPage13.
Calculationforourexample:
TheGearmotor03UWAQ2A40.A_A(basicdrive)hasan
outputspeedof45rpm,exactratioof39.26:1,double PTA=(B1).89x(B2)1.00x(B3)1.00x(PT)4.02=3.58
whichislessthancatalograting,thereforeacceptable.
reduction,andaservicefactorof1.88whichmeets
7. CheckOverhungLoadCapacity—Forthisexamplethereis
ourrequirements.
nooverhungload.
Choose required drive, either a standard Hollow L.S. Shaft
8. CheckExternalThrustLoadCapacity—Forthisexamplethere
Basic Drive or a Hollow L.S. Shaft with Drywell Flange
isnoexternalthrust.
Mounted Drive. Record the full nomenclature and part
ORDER:
number.
1–04UWAQ2A14.ABB,PN4760387Position#1
5. Components/Accessories—Selection,dimensionsandpart
numbersforcomponentstomeetyourconfiguration 1–04BanjoTorqueArm,PN1940571(shippedloose)
requirements,arefoundonPages20through54.Indicateif
componentsaretoshippedlooseormountedforan
additionalcharge.
6. Checkthermalratings.
7. CheckOverhungLoad—Thehelical-wormgearmotor
selectiontablesprovidethelowspeedshaftoverhungcapacity
ofthegearmotorselected.Ifoverhungloadispresent,
calculatethevalueoftheoverhungloadperinstructionson
Page55.Sprocketsorotherdevicesmountedontheoutput
shaftofthegearmotorshouldbesizedandpositionedsothe
gearmotorloadcapacitiesarenotexceeded.Ifapplied
overhungloadsexceedthecapacityoftheinitialgearmotor
selected,alargergearmotorwithadequatecapacitymustbe
selected.
8. CheckExternalThrustLoad—Permissiblethrustloadsare
providedonPage57.Ifthrustandoverhungloadsare
appliedsimultaneously,orifloadsexceedstatedthrust
capacities,consultyourauthorizedRexnordSales
Representative.
9. CheckHelical-wormGearmotorDimensions—Pages43
through54.
10.Whenordering,providethegeardrivemountingpositionfrom
Page16.Ifamountedmotorisorder,specifymotormounting
position,alsofromPage16.
©RexnordIndustries,LLC,1998,2007. (281-210)7
UW – How to Select & Order Gear Drives
Before making any selections, refer to the Basic Information and Conditions Affecting
Selections on Pages 5 and 6.
Selection of Helical-Worm Gear Drives Example
1. DetermineServiceFactor—SeePages10&11. Application:Beltconveyor,heavyduty,headshaftspeedis70
2. DetermineEquivalentHorsepower—Calculatetheequivalenthp rpm,basemounteddrivew/singleendedL.S.shaftprotrudingleft
bymultiplyingthemotorhpbytheservicefactor. whenviewingfromL.S.endofdriveisspecified.
3. Determinedriveoutputspeedandratio. DutyCycle:16hoursperday.
4. Helical-WormGearDriveSelectiontablesareincludedon
Driver:1hpelectricmotor,TEFC,1750rpm.
Pages60through75.
Locatethetablecontainingyourrequiredratio,reductionand Output:3"pitchdiametersprocketwitha2:1chaindrive.
lowspeedshaftrpm&selectthedrivesizewithamechanical Sprocketismountedondriveoutputshaftsuchthatthecenterline
ratingequaltoorexceedingyourequivalent oftheoverhungloadisatthemidpointoftheoutput
horsepowerrequirement. shaftextension.
1. ServiceFactorfromPage11is1.50.
HavingselectedaHelical-WormGearDrivesizemeetingyour
2. EquivalentHorsepoweris1.0x1.5=1.5hp.
ratio,reduction,andequivalenthprequirements,obtain
3. Theheadshaftspeedmustbemultipliedbythechaindrive
nomenclature,exactratioandFalkpartnumberfromPages
ratiotoobtainthedriveoutputrpm(70x2=140rpm)and
76through79.PartnumbersareforstandardHollowL.S.
ratio(1750(cid:3)140=12.5:1).
ShaftGearDrivesandHollowL.S.ShaftwithDrywell
4. FromselectionguideonPage64,theappropriate
FlangeMounted.
helical-wormgeardriveexceedingyourrequiredequivalent
5. ComponentsandAccessories—Selection,dimensionsand
hpof1.5istheSize03withaservicefactorof2.00(1.95hp
partnumbersforcomponentstomeetyourconfigurations
(cid:3)1.0hp=1.95).
requirements,arefoundonPages60through94.Indicateif
CompletedesignationoftheHelical-WormGearDriveis
componentsaretobeshippedlooseormountedforan
obtainedfromPage76(03UWAQ2A12.N_,exactratio
additionalcharge.
13.20:1,andpartnumber4760293).
6. Checkthermalratings.
5. ComponentsandaccessoriesselectfromPages90through
7. CheckOverhungLoad—TablesonPage56providethe
92.1–03BaseMountedFootKit(shippedloose)-Part
overhungloadcapacityoftheHelical-WormGearDrive
#1940556fromPage91.
selected.Ifoverhungloadispresent,calculatethevalueof
1–03SingleEndedOutputShaft(shippedloose)-Part
theoverhungloadperinstructionsonPage55.Sprocketsor
#1940531fromPage92.(Donothavetodesignateleftor
otherdevicesmountedontheoutputshaftofthegeardrive
righthandwhenshaftisshippedloose.)
shouldbesizedandpositionedsothegeardriveload
6. Checkthermalratingofdriveforambientcondition.From
capacitiesarenotexceeded.Ifappliedoverhungloadsexceed
ratingtablesonPages64&65,findthethermalhpcapacity
thecapacityoftheinitialgeardriveselected,alargergear
forthedrive.Thethermalinputhpcapacityforthedriveis
driveofadequatecapacitymustbeselected.
2.67hp.Calculatethethermalratingfromthethermal
8. CheckExternalThrustLoad—Permissiblethrustloadsare
formulasandtablesfoundonPage13.
providedonPage57.Ifthrustandoverhungloadsareapplied
Calculationforourexample:
simultaneously,orifloadsexceedstatedthrustcapacities,
consultyourauthorizedRexnordSalesRepresentative. PTA=(B1).89x(B2)1.00x(B3)1.00x(PT)2.67=2.38is
lessthancatalogratingandisgreaterthan2.14(80%x2.67
9. CheckHelical-WormGearDriveDimensions—Pages80
InputThermalCatalogRatingcapacity)andusingaTEFC
through89.
motor.Thereforeselectionthermallyisacceptable.
10.Whenordering,providethedrivemountingpositionfromPage
7. CheckOverhungLoadCapacity—Allowableoverhungload
16.Ifamotorisorder,specifymotormountingposition,alsofrom
fromPage56is440lb.
Page16.
CalculateoverhungloadperinstructionsonPage55.
126,000x1x1.00x1.00
OHL = = 300lb
3x140
Theoverhungloadcapacityofthehelical-worminlinedrive
exceedsourcalculatedrequirements.
8. CheckExternalThrustLoadCapacity—Forthisexamplethere
isnoexternalthrust.
ORDER:
1–03UWAQ2A12.N_,PN4760293Position#1
1–03BaseMountedFootKit-PN1940556(shippedloose)
1–03SingleEndedOutputShaftPN1940531(shippedloose)
8(281-210) ©RexnordIndustries,LLC,1998,2007.
UW – Gear Drives & Accessories
Off The Shelf Standard Right Angle Gearmotors + Modular Kits = Availability
+SingleEndedPlugInL.S.Shaft SIZES03-10 Dim.&PartNo.
UW_BorC
Page92
+DoubleEndedPlugInL.S.Shaft SIZES03-10 Dim.&PartNo.
UW_D Page92
Dim.&PartNo.
+Base/EndMountedFootKit SIZES03-06
UWHelical-WormGearmotorDrive UWA/UWD Page91
BasicDrivewithHollowL.S.Shaft
StandardNEMAC-Face +TopMountedFootKit SIZES07-10 Dim.&PartNo.
UWAQ___A UWE Page91
Dim.&PartNo.
+EndMountedFootKit SIZES07-10
UWD Page91
Dim.&PartNo.
SIZES07-10
Page90
UWF
+OutputFlangeKit
UWHelical-WormGearDrive SIZES03-06
BasicDrivewithHollowL.S.Shaft UWF
SIZES07-10
UWK
Dim.&PartNo.
UWAQ___N +BanjoTorqueArmKit Page90
SIZES03-06
UWK
+TATaperBushing SIZES05-10 Dim.&PartNo.
UW_N Page52
©RexnordIndustries,LLC,1998,2007. (281-210)9
Type UW Service Factors TABLE 1 —Service factor conversions
Ageardriveisratedtoaspecifiedapplicationbytheuseof
ServiceFactors.Eachapplicationhasitsownconditionsand 3Tatbol1e02Hooru3r 3tope1r0DHaoyurs Over10HoursperDay I3ntHeromuritstepnetr–DUapyt†o
operatingrequirements.Thesehavebeenanalyzedand Service Multi-Cyl. Multi-Cyl. Multi-Cyl.
catalogued.Numericalvalues,basedonfieldexperience,have Factor Engine‡ Motor Engine‡ Motor Engine‡
beenassignedtotheseclassificationsforintermittentserviceof3
to10hoursperdayandforserviceover10hoursperdayand 1.00 1.25 1.25 1.50 1.00 1.00
1.25 1.50 1.50 1.75 1.00 1.25
alsoforthetypeofprimemover...electricmotororengine.
1.50 1.75 1.75 2.00 1.25 1.50
ValuesformostapplicationsarelistedbyApplicationonPage11,
1.75 2.00 2.00 2.25 1.50 1.75
Table3andbyIndustryatright,Table2. 2.00 2.25 2.25 2.50 1.75 2.00
Examples—Acomparisonof Service † Forapplicationsoperatingonehalfhourorlessperdayandapplicationsdrivenby
threedifferentapplications, singlecylinderengines,refertoFactory.
3to Over
eachoperating16hoursper APPLICATION 10 10 ‡ Tsehreioseussecrrvitiiccealfaacntdortsoarsrieonbaalsevidbroantiothnesaasnsdumthpattiomnatxhimatutmhemsyosmteemntiasrfyreoerfsrtoamrting
day,willillustratethefunction Hour Hour loadsdonotexceed200%ofthenormalload.
ofServiceFactors:anAssembly
ASSEMBLYCONVEYORS
Conveyor,uniformlyloaded(SF UniformlyLoadedorFed... 1.25 1.25 TABLE 2 —Type UW service factors
=1.25),aBeltConveyor,
BELTCONVEYORS listed by industry
heavyduty(SF=1.50)anda HeavyDuty............. 1.25 1.50
LaundryWasher(SF=2.00).If LAUNDRYWASHER....... 1.50 2.00 forelectricmotor,steamturbineorhydraulicmotordrives...
eachoftheseapplications
recommendationsareMINIMUMandnormalconditions
requires10hp,eachdriveisselectedforaratingof10hptimes
areassumed
theServiceFactor—thatis,for12.5,15and20hprespectively.
Thus,theServiceFactortakesintoconsiderationthevarying
Service Service
conditionsofoperation:LaundryWasherserviceisrelativelymore
Industry 3to Over Industry 3to Over
severethanthatofauniformlyloadedAssemblyConveyor,etc.
10 10 10 10
Sincemostindustrialapplicationsareelectricmotordriven,Service Hour Hour Hour Hour
Factorsarebasedontheuseofelectricmotors.Thesefactorscan BOTTLINGANDBREWING Jordan.................. ... 1.50
KilnDrive................ ... 1.50
beeasilyconvertedtoengine-drivefactorsasoutlinedinTable1. BottlingMachinery.......... 1.25 1.25 Mt.Hope&PaperRolls...... ... 1.50
BrewKettles,ContinuousDuty . 1.25 1.25 Platter................... ... 1.50
ServiceFactorsarebasedontheassumptionthatthesystemisfree CanFillingmachines........ 1.25 1.25 Presses(Felt&Suction)....... ... 1.50
ofdynamicvibrations,asexplainedinthewarrantysection,and CMoaoshkeTrus—bsC—oCnotinnutinouuosuDsuDtyut.y.... 11..2255 11..2255 Reel(SurfaceType) ......... ... 1.50
thatmaximummomentaryorstartingloadsdonotexceed200% ScaleHoppers—FrequentStarts 1.25 1.50 ScrCeheinps&Rotary ........... ... 1.50
CLAYWORKINGINDUSTRY
oftheratedload. SizePress................ 1.50
ClayWorkingMachinery..... 1.25 1.50
PugMills................. 1.25 1.50 Thickener&Washer
ServiceFactorslistedarerecommendedasminimumforgeneral ACMotor.............. ... 1.50
DISTILLING............. SeeBrewing DCMotor.............. ... 1.50
purposeuse.Applicationoftheseservicefactorswillresultin FOODINDUSTRY VacuumPumps............ ... 1.50
normaldrivereliabilityandlifeundertypicaloperationconditions. BeetSlicers............... 1.25 1.50 WWiinndde&rsU(SnuwrifnadceSTtaynpde).............. ...... 11..2255
RefertoFactoryanyapplicationnotlistedin Bottling,CanFillingMachine.. 1.25 1.25
CerealCookers............ 1.00 1.25 PLASTICINDUSTRY
Tables2or3. DoughMixers,MeatGrinders.. 1.25 1.50 BatchDropMill,2smoothrolls. 1.25 1.25
LUMBERINDUSTRY Calenders................ 1.50 1.50
Applicationsinvolvingunusualoperatingconditionsor Conveyors CCoomntipnouuonudsinFgeeMd,illHsolding& 1.25 1.25
requirementssuchas,butnotlimitedto,thefollowingshouldalso Burner................. 1.25 1.50 BlendMill.............. 1.25 1.25
MainorHeavyDuty....... 1.50 1.50
bereferredtoFactory: Re-SawMerry-Go-Round... 1.25 1.50 IntensiveInternalMixers
–Applicationsrequiringextendedlife/Highreliability STrlaabnsf.e.r................................ 11..2755 12..5000 BCaotncthinMuoixuesrsM.ix.e.rs................. 11..7550 11..7550
exceedingnormal Chains—Floor............. 1.50 1.50 RUBBERINDUSTRY
–Highfrequencystarting Chains—Green............ 1.50 1.75 BatchDropMill,2smoothrolls. 1.50 1.50
–Stallingorotherhighenergyloadabsorption CFeuet-dOs—ffESdagwesr—.C.h.a.i.n.&..D.ra.g..... 11..5205 11..7550 CCaralecnkedrerWs.a.rm.e.r.—..2.r.o.ll,...... 1.50 1.50
–Torsionalvibrations Feeds—Gang............. 1.75 1.75 1corrugatedroll........... 1.75 1.75
–Frequentspeedvariations FLoegedTsu—rnTinrigmDmeevric.e.s.................. 11..2755 11..5705 H2oRldoilnl.g.,.Fe.e.d..&.B.l.en.d..M.i.ll—.... 1.25 1.25
–Reversingloads PPllaanneerrFTielteindg..H.o.is.ts................... 11..2550 11..5500 IntensiveInternalMixers
–Extremesinambienttemperature Rolls—Live—OffBearing— BatchMixers............ 2.00 2.00
RollCases.............. 1.75 1.75 ContinuousMixers........ 1.50 1.50
Occasional & Intermittent SortingTable,TippleHoist.... 1.25 1.50 MixingMill—2smoothrolls
Transfers—Chain&Craneway. 1.75 2.00 (ifcorrugatedrollsareused,
Service or Engine Driven Applications TrayDrives............... 1.25 1.50 useCrackerWarmer
servicefactors)........... 1.50 1.50
Formulti-cylinderenginedrivenapplicationsandallapplications OChILillIeNrsD.U..S.T.R.Y............ 1.25 1.50 Refiner—2roll............. 1.50 1.50
operatingintermittentlyupto3hoursperday,refertoTable2or3 ParaffinFilterPress.......... 1.25 1.50 SEWAGEDISPOSAL
RotaryKilns............... 1.25 1.50 BarScreens............... 1.25 1.25
fortheServiceFactorofthesameapplicationoperating3to10 PAPERMILLS(cid:2) CChoellmecitcoarlsF.e.e.d.e.rs..................... 11..2255 11..2255
hoursperday.Next,inthefirstcolumnofTable1,findthissame Agitator(Mixer)............ ... 1.50 DewateringScreens......... 1.50 1.50
ServiceFactorinboldfacetype.Then,totheright,underthe AgitatorforPureLiquids...... ... 1.50 ScumBreakers............. 1.50 1.50
Beater................... ... 1.50 SloworRapidMixers........ 1.50 1.50
desiredhoursserviceandprimemover,locatetheconverted BreakerStack............. ... 1.50 Thickeners................ 1.50 1.50
(cid:3)Calender . . . . . . . . . . ... 1.50 VacuumFilters............. 1.50 1.50
ServiceFactor. Chipper................. ... 2.00 TEXTILEINDUSTRY
ChipFeeder.............. ... 1.50
Forexample,fromTable3,theServiceFactoris1.25fora CoatingRolls.............. ... 1.50 Batchers,Calenders......... 1.25 1.50
CardMachines............ 1.25 1.50
uniformlyloadedbeltconveyor.FromTable1,forthesame Conveyors— DryCans,Dryers........... 1.25 1.50
Chip,Bark,Chemical...... ... 1.50 DyeingMachinery.......... 1.25 1.50
applicationthefollowingaretheServiceFactorsforvarious CouchRolls............... ... 1.50 Looms,Mangles,
conditions. (cid:3)CDylriynedresr—molds............ ... 1.50 SlaNshaeprpse,rSso,aPpaedrss,.S.p.i.n.ne.r.s,.... 1.25 1.50
1. Enginedriven3to10hoursperday;use1.50ServiceFactor. PaperMach.&Conveyor TenterFrames,Washers,
Type.................. ... 1.50 Winders................ 1.25 1.50
2. Enginedrivenupto3hoursintermittently;use1.25Service Embosser................ ... 1.50
Factor. Extruder ................. ... 1.50
FourdrinierRolls—
3. Motordrivenupto3hoursintermittently;use1.00Service Lumpbreaker,WireTurning
Dandy&ReturnRolls...... ... 1.50
Factor.
(cid:2)ServiceFactorsforpapermillapplicationsareappliedtothenameplateratingof
theelectricdrivemotoratthemotorratedbasespeedandareconsistentwiththose
showninTAPPIstandards.
Anti-frictionbearingsonly.
10(281-210) ©RexnordIndustries,LLC,1998,2007.