PD012025 denso fan motor and cooling fan motorProduct DescriptionCompany InformationFAQ1.WhatisaDCAxialFan?AnDCfanisusuallypoweredby3v,5v,12v,24v,36vand48v.Itblowsairalongtheaxisofthefan,orparalleltothetrackofthebladeaxis.StandardDCAxialfansizesinclude20mm,30mm,40mm,50mm,60mm,70mm,80mm,92mm,120mm,150mm,and200mm.2.HowtochooseaDCfan?TochooseaDCfan,youshouldconsiderthepointsbelow
a.fanvoltage
b.fancurrent
c.fanspeed
d.fanairflow
e.fannoise
f.fanlifespan3.Whatisabearing?FanbearingincludesSleeveBearingandBallBearing,lifeexpectancyofsleevebearingfanis30000hours,whileballbearingis 60000hoursormore.4.Howdowecarryoutqualitycontrol?Usually,therearetwowaystomonitorreliabilityduringthemanufacturingprocess.
a.EarlyLifeTest
Thisisusedasameanofprocesscontrolaimedatidentifyinganylatentmanufacturingproblemsanddeterminingtheeffectivenessofburn-in.Everyday,5sampleswillbepickeduprandomlyfromoneoftheproductionlinesforburninat50°C+/-5°Cfor24hours.
b.On-goingReliabilityDemonstration
Thisisalonger-termprogramaimedatprovidingdataoncontinuousbasistodemonstratethereliabilityofproduct.10unitspermontharerandomlycollectedfromoneoftheproductionlinesforburn-infor168hoursat50°C+/-5°C.Unitsaremonitoredandtestedondailybasis.Failedunitswillbeanalyzedandcorrectiveactionstakenwherenecessary.5.WhatcanIdoifwecannotfindthesuitablefanmodelinthefanlist?
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