Tilstandsbaseret vedligehold - BERGtechnic
Tilstandsbaseret vedligehold - BERGtechnic
Tilstandsbaseret vedligehold - BERGtechnic
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Indholdsfortegnelse<br />
Indholdsfortegnelse<br />
<strong>Tilstandsbaseret</strong> <strong>vedligehold</strong>[1].doc<br />
4<br />
FORORD .............................................................................................................................2<br />
VEDLIGEHOLDSFORMER .................................................................................................6<br />
RCM.....................................................................................................................................8<br />
RCM.....................................................................................................................................8<br />
TERMOGRAFI...................................................................................................................10<br />
Hvilke fejl findes ved termografering.......................................................................................................................... 10<br />
VIBRATIONSMÅLING.......................................................................................................11<br />
Hvad er vibrationer?...................................................................................................................................................... 11<br />
Hvorfor vibrations måling? ........................................................................................................................................... 12<br />
Hvordan foretages vibrationsmålinger?....................................................................................................................... 13<br />
ISO Standard 2372....................................................................................................................................................... 13<br />
Vibrationsegenskaber for trefasede asynkron kortslutningsmotorer........................................................................ 14<br />
Forberedende arbejde................................................................................................................................................... 15<br />
Passende transducer målesteder................................................................................................................................... 15<br />
Vibrationsmåling og måleudstyr................................................................................................................................... 16<br />
Elektronisk stetoskop ..................................................................................................................................................... 16<br />
Hvordan fungerer det? ................................................................................................................................................. 16<br />
Hvordan betjenes det?.................................................................................................................................................. 16<br />
Lokalisering af støjkilden ............................................................................................................................................ 17<br />
Vibrationspen 1............................................................................................................................................................... 17<br />
Funktionsbeskrivelse ................................................................................................................................................... 17<br />
Måling af generelle vibrationer fra 10 Hz - 1kHz........................................................................................................ 18<br />
Måling via enveloping i området fra 10-30 kHz.......................................................................................................... 18<br />
Vibrationsmålepen 2....................................................................................................................................................... 19<br />
Generelle retningslinier for SEE Pen målinger............................................................................................................ 20<br />
Vurder og analyser målingen:...................................................................................................................................... 20<br />
Vibrations kombinationsinstrument............................................................................................................................. 21<br />
Vibrationsmåling ......................................................................................................................................................... 21<br />
Måling af lejetilstand ................................................................................................................................................... 21<br />
Chok pulser.................................................................................................................................................................. 22<br />
Tæppe-værdien (dBc) .................................................................................................................................................. 22<br />
Lejediagnose, maximum værdi.................................................................................................................................... 23<br />
Normaliserede stødpuls målinger ................................................................................................................................23<br />
Kavitationsmåling........................................................................................................................................................ 24<br />
Hvad er kavitation........................................................................................................................................................ 24<br />
Omdrejningstal måling................................................................................................................................................. 25<br />
Temperaturmåling........................................................................................................................................................ 25
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