Q.Whatarethecriteriaforselectionofenddriven,beltdriven,self
駆動、verticalbalancingmachines?
A.Inadynamicbalancingrequirement,theaccuracyofthe
componentandtheeaseofbalancingdecidethemosttechno
economicalsolutioninselectingthebalancingmachineanddrives。
Massproducedcomponentswhicharediskinshape、andsmallin
sizeareinvariablybalancedonaverticalmachinewithbuiltin
correctionequipments。Highprecisionjobsrequiringfinelevelsof
balanceliketurbines、ターボチャー ジャー、arebalancedonbeltdriven
machine.Componentslikefansandheavyrotorswhichneed
considerablepowerforaccelerationanddecelerationaredriven
throughuniversalshaftsonabalancingmachine。Veryhighspeed
componentslikeautomobileturbochargerswhereintheerror
inducedbydriveelementsarenotacceptablearebalancedby
usingtheirownreallifesimulatedpowersourceslikecompressed
空気。Theadvantageofthebeltdrivearrangementoveruniversal
shaftdrivenmachineisthetimetofixtheadoptersonthe
componentissavedanderrorsduetoadoptersontheresidual
unbalanceareavoided。
Q.Whataretheunitsofunbalance?
A.Theunitsofunbalancearetheproduct (乗算)
permittedunbalanceweightattheradiusofcorrection。
例えば
XgramofunbalanceatYmillimeterradiusisdefinedasXYmmgof
アンバランス。Basedonthepracticetheunitscanbein
Metergram
Ounceinches
Graminches
Millimetergram
Millimetermilligram
Ortheproductofalineardistanceunitandaweightunit.the
relationshipbetweenalltheunitsisstraightforwardandcanbe
transferredforoperationalconvenience
Q.Whatarethecriteriaforselectionofenddriven,beltdriven,self
駆動、verticalbalancingmachines?
A.Inadynamicbalancingrequirement,theaccuracyofthe
componentandtheeaseofbalancingdecidethemosttechno
economicalsolutioninselectingthebalancingmachineanddrives。
Massproducedcomponentswhicharediskinshape、andsmallin
sizeareinvariablybalancedonaverticalmachinewithbuiltin
correctionequipments。Highprecisionjobsrequiringfinelevelsof
balanceliketurbines、ターボチャー ジャー、arebalancedonbeltdriven
machine.Componentslikefansandheavyrotorswhichneed
considerablepowerforaccelerationanddecelerationaredriven
throughuniversalshaftsonabalancingmachine。Veryhighspeed
componentslikeautomobileturbochargerswhereintheerror
inducedbydriveelementsarenotacceptablearebalancedby
usingtheirownreallifesimulatedpowersourceslikecompressed
空気。Theadvantageofthebeltdrivearrangementoveruniversal
shaftdrivenmachineisthetimetofixtheadoptersonthe
componentissavedanderrorsduetoadoptersontheresidual
unbalanceareavoided。
Q.Wehavebalancedafanonthebalancingmachineandwhenwe
testonastaticbalancingstandweseeheavyspotinthefan?
A.Inthepictureaboveadynamicbalancingmachinemeasuresthe
resultantofthethreeresultantunbalanceforcesnamelythestatic
コンポーネント“S“、andthecouplecomponent“+ Cand-C”、
valuescanberecordedbyusingtheprogramtwoplanemeasuring
静止/couplemeasuringsections。
WhenusingamachineyoucompensateallunbalancesieS、+ C、-c.
Butwhencheckonastaticbalancingstandthecoupleportionun
balancedonotgetcompensated,andonlySiscompensated.So
youhavethehighspotsettlingatthebottomonastaticbalancing
standforcomponentsbalancedonamachine。Inactualservice
conditionswhenthedynamiceffectofallthreeforcesareactingthe
fansbalancedonamachineforbothStaticandCouplewillbe
スムーズ。
