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1 2 (ShaftAlignment)1. (ShaftAlignmentBasics) (TheImportanceofShaftAlignment) (Alignment) .Alignment , , , , . Alignment Alignment . Misalignment .Misalignment . 40 Misalignment , . , , , . Misalignment 16 . 80 .. , . , , .. ? , , , .. , , , , , , , .. 2 1247 .. , . Misalignment.

2 , , . 6 60 6 6 16 . 30 , , . , .. FFT ,SpikeEnergy .. Misalignment 1248 3 .Misalignment 1,2 . Misalignment . 99% Misalignment .. Misalignment . UniversalJoint Misalignment .. , , , , .. ( Misalignment ).. , . 20%.

3 (TheObjectiveofShaftAlignment) 1 2 , . 2 1249 ( ), , . , . , .. ThermalGrowth Misalignment . ,Rim(Offset) Face(Angle) .. , , , . , .. (2 17% ). , , . , (RotorDynamics,CausesandSymptomsofMisali gnment) 2-1 Misalignment . Misalignment .1250 3 (FlexibleCoupling) Misalignment.

4 Misalignment .. 2-1 Misalignment 2-1 . ForceVector ForceVector .Misalign . HeavySpot' . Misalignment . 2-2 . , , , . Misalignment . 2 1251 2-2 Misalignment WeightUnbalance . Misalignment . Level Level OilWhip . Rubbing . Level Babbitt .. BearingMetal Pedestal OilWhip Angular(Face)Misalignment Misalignment.

5 Misalignment BentShaft . Misalignment ,ShaftCrack Fatigue , . Misalignment . 1252 3 ( ) . , , . 2 Misalignment . , , , .. Runout .. (TypesandGuideofShaftAlignment) FaceandRim ReverseIndicator .FaceandRim Face( ,Angular) ( 2-3) Rim( ,Parallel,Offset) ( 2-4) (Angle) (Offset) .ReverseIndicator Indicator 1 , 2 Rim .Face Rim Rim DialIndicator Face DialIndicator ( )Block FeelerGauge . 2-3 , , Face (Angle) . 2 1253 2-3 FaceAlignment 2-4 RimAlignment Rim 2-4 , (TotalIndicatorReadings) 1/2.

6 Face , , Rim Face , , . Rim Face . ,Rim , . Alignment . ReverseDialIndicator Alignment , .1980 , .. 2-5 .1254 3 (Colinear) . , . , , Runout . 2-5 . Runout ( ) . Runout . 2-5 2-6 . ? , Alignment.

7 , . (CatenaryCurve) .. Catenoid . 2 1255 2-6 , , , . ( ) , . , ( MGSet) .. (DatumofShaftAlignment) SmoothAlignment(Face Rim 0 ) ..(1)Alignment Alignment .1256 3 2-7 Alignment (2)Alignment Alignment , 2-8 . 2-8 Alignment 2 1257(3)Alignment Alignment 2-9 . 2-9 Alignment .. , 1258 3 Alignment.

8 Alignment Alignment . Alignment .. (ChecksPriortoAlignment) , . , Alignment Alignment ..Alignment ,Alignment , .. Misalignment .. ( ) Offset . ,SpringHinge Support,PipeStop ExpansionLoop NozzleStress . Shim .Shim . Shim 2 1259in(3 ) .5 Alignment Shim . Shim ,Shim Alignment . ( ) Shim 10%.

9 ShimPack 3 Shim . Shim Spring , ,SoftFoot( ) . ShimArea , , Honing . ShimPack , , ,Alignment . ,MountingBolt . MountingBolt BoltHole . MountingFoot JackingBolt ( 2-10).JackingBolt Shim . Alignment , SpoolPiece . Flexible ThermalGrowth (Offset) FlexibleDiaphragm . (TheImportanceofCorrectingSoftFoot)SoftF oot .SoftFoot . SoftFoot FootBolt Frame .1260 3 2-10 MountingFootJackingBolt 2-11 Misalignment 2-11 FootBolt 16mils( ) . Frame . 2 1261.

10 (InternalMisalignment) 2-11 , Alignment Alignment . Misalignment . SoftFoot .Misalignment SoftFoot Misalignment . Frame SoftFoot ( 2-12), . ( ) . Preload . Preload , . 2-12 Misalignment 180 Bending . Bending , ( 2-13).1,800rpm , 30 . 24 2,592,000 ..1262 3 2-13 Misalignment (DistortedBearings) 2-14 SoftFoot BaseBolt . EndHousing . 2-15 . StressLine ,SoftFoot Frame . ( 2-15). , 180 . Preloading.