Q.Whatarethecriteriaforselectionofenddriven,beltdriven,self
ведомый, verticalbalancingmachines?
A.Inadynamicbalancingrequirement,theaccuracyofthe
componentandtheeaseofbalancingdecidethemosttechno
economicalsolutioninselectingthebalancingmachineanddrives.
Massproducedcomponentswhicharediskinshape, andsmallin
sizeareinvariablybalancedonaverticalmachinewithbuiltin
correctionequipments. Highprecisionjobsrequiringfinelevelsof
balanceliketurbines, турбонагнетателями, arebalancedonbeltdriven
machine.Componentslikefansandheavyrotorswhichneed
considerablepowerforaccelerationanddecelerationaredriven
throughuniversalshaftsonabalancingmachine. Veryhighspeed
componentslikeautomobileturbochargerswhereintheerror
inducedbydriveelementsarenotacceptablearebalancedby
usingtheirownreallifesimulatedpowersourceslikecompressed
воздух. Theadvantageofthebeltdrivearrangementoveruniversal
shaftdrivenmachineisthetimetofixtheadoptersonthe
componentissavedanderrorsduetoadoptersontheresidual
unbalanceareavoided.
Q.Whataretheunitsofunbalance?
A.Theunitsofunbalancearetheproduct (умножение) из
permittedunbalanceweightattheradiusofcorrection.
Например
XgramofunbalanceatYmillimeterradiusisdefinedasXYmmgof
неуравновешенность. Basedonthepracticetheunitscanbein
Metergram
Ounceinches
Graminches
Millimetergram
Millimetermilligram
Ortheproductofalineardistanceunitandaweightunit.The
relationshipbetweenalltheunitsisstraightforwardandcanbe
transferredforoperationalconvenience
Q.Whatarethecriteriaforselectionofenddriven,beltdriven,self
ведомый, verticalbalancingmachines?
A.Inadynamicbalancingrequirement,theaccuracyofthe
componentandtheeaseofbalancingdecidethemosttechno
economicalsolutioninselectingthebalancingmachineanddrives.
Massproducedcomponentswhicharediskinshape, andsmallin
sizeareinvariablybalancedonaverticalmachinewithbuiltin
correctionequipments. Highprecisionjobsrequiringfinelevelsof
balanceliketurbines, турбонагнетателями, arebalancedonbeltdriven
machine.Componentslikefansandheavyrotorswhichneed
considerablepowerforaccelerationanddecelerationaredriven
throughuniversalshaftsonabalancingmachine. Veryhighspeed
componentslikeautomobileturbochargerswhereintheerror
inducedbydriveelementsarenotacceptablearebalancedby
usingtheirownreallifesimulatedpowersourceslikecompressed
воздух. Theadvantageofthebeltdrivearrangementoveruniversal
shaftdrivenmachineisthetimetofixtheadoptersonthe
componentissavedanderrorsduetoadoptersontheresidual
unbalanceareavoided.
Q.Wehavebalancedafanonthebalancingmachineandwhenwe
testonastaticbalancingstandweseeheavyspotinthefan?
A.Inthepictureaboveadynamicbalancingmachinemeasuresthe
resultantofthethreeresultantunbalanceforcesnamelythestatic
компонент“S“, andthecouplecomponent“+ Канд C”В
valuescanberecordedbyusingtheprogramtwoplanemeasuring
andstatic/couplemeasuringsections.
WhenusingamachineyoucompensateallunbalancesieS + C-C.
Butwhencheckonastaticbalancingstandthecoupleportionun
balancedonotgetcompensated,andonlySiscompensated.so
youhavethehighspotsettlingatthebottomonastaticbalancing
standforcomponentsbalancedonamachine. Inactualservice
conditionswhenthedynamiceffectofallthreeforcesareactingthe
fansbalancedonamachineforbothStaticandCouplewillbe
более гладкой.
