Q.Whatarethecriteriaforselectionofenddriven,beltdriven,self
ขับเคลื่อน verticalbalancingmachines
A.Inadynamicbalancingrequirement,theaccuracyofthe
componentandtheeaseofbalancingdecidethemosttechno
economicalsolutioninselectingthebalancingmachineanddrives
Massproducedcomponentswhicharediskinshape, andsmallin
sizeareinvariablybalancedonaverticalmachinewithbuiltin
correctionequipments Highprecisionjobsrequiringfinelevelsof
balanceliketurbines เทอร์โบชาร์จเจอร์ arebalancedonbeltdriven
machine.Componentslikefansandheavyrotorswhichneed
considerablepowerforaccelerationanddecelerationaredriven
throughuniversalshaftsonabalancingmachine Veryhighspeed
componentslikeautomobileturbochargerswhereintheerror
inducedbydriveelementsarenotacceptablearebalancedby
usingtheirownreallifesimulatedpowersourceslikecompressed
อากาศ Theadvantageofthebeltdrivearrangementoveruniversal
shaftdrivenmachineisthetimetofixtheadoptersonthe
componentissavedanderrorsduetoadoptersontheresidual
unbalanceareavoided
Q.Whataretheunitsofunbalance
A.Theunitsofunbalancearetheproduct (การคูณ) ของ
permittedunbalanceweightattheradiusofcorrection
โดย
XgramofunbalanceatYmillimeterradiusisdefinedasXYmmgof
ไม่สมดุลกัน Basedonthepracticetheunitscanbein
Metergram
Ounceinches
Graminches
Millimetergram
Millimetermilligram
Ortheproductofalineardistanceunitandaweightunit.the
relationshipbetweenalltheunitsisstraightforwardandcanbe
transferredforoperationalconvenience
Q.Whatarethecriteriaforselectionofenddriven,beltdriven,self
ขับเคลื่อน verticalbalancingmachines
A.Inadynamicbalancingrequirement,theaccuracyofthe
componentandtheeaseofbalancingdecidethemosttechno
economicalsolutioninselectingthebalancingmachineanddrives
Massproducedcomponentswhicharediskinshape, andsmallin
sizeareinvariablybalancedonaverticalmachinewithbuiltin
correctionequipments Highprecisionjobsrequiringfinelevelsof
balanceliketurbines เทอร์โบชาร์จเจอร์ arebalancedonbeltdriven
machine.Componentslikefansandheavyrotorswhichneed
considerablepowerforaccelerationanddecelerationaredriven
throughuniversalshaftsonabalancingmachine Veryhighspeed
componentslikeautomobileturbochargerswhereintheerror
inducedbydriveelementsarenotacceptablearebalancedby
usingtheirownreallifesimulatedpowersourceslikecompressed
อากาศ Theadvantageofthebeltdrivearrangementoveruniversal
shaftdrivenmachineisthetimetofixtheadoptersonthe
componentissavedanderrorsduetoadoptersontheresidual
unbalanceareavoided
Q.Wehavebalancedafanonthebalancingmachineandwhenwe
testonastaticbalancingstandweseeheavyspotinthefan
A.Inthepictureaboveadynamicbalancingmachinemeasuresthe
resultantofthethreeresultantunbalanceforcesnamelythestatic
คอมโพเนนต์“S“, andthecouplecomponent“+ Cand C”การ
valuescanberecordedbyusingtheprogramtwoplanemeasuring
andstatic/couplemeasuringsections
WhenusingamachineyoucompensateallunbalancesieS + C, -c
Butwhencheckonastaticbalancingstandthecoupleportionun
balancedonotgetcompensated,andonlySiscompensated.So
youhavethehighspotsettlingatthebottomonastaticbalancing
standforcomponentsbalancedonamachine Inactualservice
conditionswhenthedynamiceffectofallthreeforcesareactingthe
fansbalancedonamachineforbothStaticandCouplewillbe
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