12. 진동의 평가 기준 - incosys.co.kr

1 12 (EvaluationCriteriaofVibration) . , . , - .. , .. , . , , . (API), (AGMA), (NEMA) . , (ANSI) (ISO) .. - . - . , . , . , . , , 600 1.

2 - , , .. , .1. (TrendMonitoring) ? ? ? , . , . , . , . ? . , .. , ( ) . , . , . , . , , .. 12 601 Severity.

3 , . , . , .. , . , , , ..2. (StatisticalLimits) . , , , .. ( ) .. ( , ) .. , ..602 1 1 , 2 , 3 .. ( , 42 1 ) , (1/90 1/330).

4 , . 1 . 2 1 10 20% . 2 3 , 1 ? 1 . / .. , .3. (EstablishingSpecificCriteria) . , . , . 12 603 .. Severity .. , .. SpectrumEnvelope . , . (LimitedBandorSegmentedMonitoring).

5 10 12 . , .. 12-1 .. 20% 120% .. 2 .604 1 5 . 5,6 , 10 . , ..2 ,Rotor-BarPassingFrequency . 12-1 ( ) . , 60 3,585rpm 1,600 Line . 12-2 . , . 15 20 . ( 12-3 ).. 4 5 . GearMesh 12 605.

6 , GearMesh ,6 . 12-2 12-3 SeverityChart . ( /secrms) , (9 /secrms) .2 30% .VanePassing GearMesh 20% . , 5 .VanePassing GearMesh 606 1 . , ( /secrms) 130% . , ( . ) . , . , . , . ( ) , 80%.

7 , . Envelope (Narrow-BandSpectrumEnvelopeMonitoring) Envelope Envelope ( 12-4). 12-4 Envelope Envelope (Offset) Line( ) Envelope . Envelope . 12-4 Envelope 12 607 Envelope 12-5 . Envelope Envelope (Offset) . ( 12-5). 2 . ( 12-5) . 12-5 Envelope Envelope . ( ).

8 VanePassing GearMesh . (Offset) VanePassing GearMesh . (EstablishingaSpectrumReference) 3 . , . , , .608 1 , , .. , . ( 12-6) . 11 . Fan Fan . - .. Fan .Fan , . 12-6 . 5.

9 , . , , , , . 12-7 2 . 11 . , , . , , . , . 12-7 , 2 12 609 . , 1 Envelope . 12-6 610 1 12-7 , . , . 12 611.

10 , .. , , , ( ) .4. , (MinimumThresholdValuesforTrends,Broadan dNarrowBandComparisons) .. , .. , ( ) . , , . , . , .. , . , .. , 612 1 . , ImpellerVanePassing GearMeshFrequency .. 12-8 12-9 . 12-8 12-9 Envelope 12 6135.