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Transcript of Copyright Eaton Hydraulics 2000 Steve Skinner, Eaton Hydraulics, Havant, UK MAINTENANCE PREVENTIVE.
![Page 1: Copyright Eaton Hydraulics 2000 Steve Skinner, Eaton Hydraulics, Havant, UK MAINTENANCE PREVENTIVE.](https://reader033.fdocuments.net/reader033/viewer/2022061406/551d9d8c497959293b8c17f5/html5/thumbnails/1.jpg)
Copyright Eaton Hydraulics 2000Copyright Eaton Hydraulics 2000
Steve Skinner, Eaton Hydraulics, Havant, UKSteve Skinner, Eaton Hydraulics, Havant, UK
MAINTENANCE PREVENTIVE MAINTENANCE PREVENTIVE
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CIRCUIT HYDRAULIQUECIRCUIT HYDRAULIQUE
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TIROIR d’un DISTRIBUTEURTIROIR d’un DISTRIBUTEUR
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5µm
JEU FONCTIONNEL DU TIROIRJEU FONCTIONNEL DU TIROIR
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5µm
JEU FONCTIONNEL DU TIROIRJEU FONCTIONNEL DU TIROIR
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EROSION EROSION
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EROSION EROSION
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POMPE A PISTONS AXIAUX POMPE A PISTONS AXIAUX
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PISTON et CYLINDREPISTON et CYLINDRE
Haute pression
Basse pression
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PISTON et CYLINDREPISTON et CYLINDRE
USURES
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PISTON et CYLINDREPISTON et CYLINDRE
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PISTON et CYLINDREPISTON et CYLINDRE
Communication entre la haute et la basse pression : fuites internes
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DEFAILLANCES DES SYSTEMES HYDRAULIQUES
Les mauvaises conditions de filtration
sont à l’origine d’environ 70 à 90% des
défaillances hydrauliques
Les mauvaises conditions de filtration
sont à l’origine d’environ 70 à 90% des
défaillances hydrauliques
DEFAILLANCES HYDRAULIQUE DEFAILLANCES HYDRAULIQUE
Problème de filtration Autres problèmes
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DEGRADATIONS SUR LE ROTOR D’UNE POMPE A PALETTESDEGRADATIONS SUR LE ROTOR D’UNE POMPE A PALETTES
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CIRCUIT HYDRAULIQUECIRCUIT HYDRAULIQUE
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IMPURTEES CONTENUES DANS LE RESERVOIRIMPURTEES CONTENUES DANS LE RESERVOIR
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IMPURETES EN PROVENANCE D’UN FUT D’HUILEIMPURETES EN PROVENANCE D’UN FUT D’HUILE
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CONTAMINATION LORS D’UN CHANGEMENT DE COMPOSANT CONTAMINATION LORS D’UN CHANGEMENT DE COMPOSANT
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CONTAMINATION LORS D’UNE INSPECTION DU RESERVOIRCONTAMINATION LORS D’UNE INSPECTION DU RESERVOIR
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CONTAMINATION RELATIVE A LA DEGRADATION DU VERINCONTAMINATION RELATIVE A LA DEGRADATION DU VERIN
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DEGRADATION DE LA POMPE SUITE A UNE POLLUTION TROP IMPORTANTEDEGRADATION DE LA POMPE SUITE A UNE POLLUTION TROP IMPORTANTE
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FORTE POLLUTION
FORTE POLLUTION
NIVEAU REQUISNIVEAU REQUIS
NIVEAU ACTUELNIVEAU ACTUEL
NIVEAU DE FILTRATIONNIVEAU DE FILTRATION
FAIBLEPOLLUTION
FAIBLEPOLLUTION
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PRELEVEMENT D’UN ECHANTILLON D’HUILEPRELEVEMENT D’UN ECHANTILLON D’HUILE
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1 micron (m) =1 micron (m) =
0.000001 mètre = 0.000001 mètre =
0.001 millimètre0.001 millimètre
MESURE DE LA CONTAMINATION MESURE DE LA CONTAMINATION
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10 20 30 40 50 60 70 80 90 1000
POLLENPOLLENGRAINGRAIN
DE SELDE SEL
microns
.
NIVEAU DE CONTAMINATIONNIVEAU DE CONTAMINATION
CHEVEUCHEVEU
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ANALYSES DES PARTICULESANALYSES DES PARTICULES
100 ml
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> 2 m> 2 m > 5 m> 5 m > 15 m> 15 m
CLASSIFICATIONCLASSIFICATION
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Target ProThe sample cylindercontains some fluid.Press FLUSH to drain
CO2CO2
COMPTEUR DE PARTICULESCOMPTEUR DE PARTICULES
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Target ProThe sample cylindercontains some fluid.Press FLUSH to drain
CO2CO2
sfjdslj ;djg djg
0ad[g [jg i]0dig
]0d9ig 0d0g
00dg 099d =09
]09 0ae9 00gi0
]0d9]09 ]ierwEPO
]D0009 099
EUGE0 0E9JKO
00 909iiidsjr
COMPTEUR DE PARTICULESCOMPTEUR DE PARTICULES
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> 2 m > 5 m > 15 m
Exemple:Exemple: 3250 3250 860 860 122 122 par ml par ml VICKERS TARGET-PRO
Sample: MACHINE 1Date: 8.1.99Sample Vol: 30mlFlow rate: 50 - 25 ml/minReported values: COUNTS / mlISO: 22/17/13NAS: 8
MIN MAX AVG2m 3214 3285 32505 m 832 887 86015 m 119 124 12225 m 7 12 950 m 0 1 0100 m 0 0 0
VICKERS TARGET-PRO
Sample: MACHINE 1Date: 8.1.99Sample Vol: 30mlFlow rate: 50 - 25 ml/minReported values: COUNTS / mlISO: 22/17/13NAS: 8
MIN MAX AVG2m 3214 3285 32505 m 832 887 86015 m 119 124 12225 m 7 12 950 m 0 1 0100 m 0 0 0
RAPPORT RAPPORT
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Particules / 1 mlParticules / 1 ml
0.020.040.080.160.320.641.32.55
10204080160320640
130025005000
10000
123456789
1011121314151617181920
0.01
3250
122
860
ISO 4406Code
19 / 17 / 14
ISO 4406Code
19 / 17 / 14
CLASSE ISO CLASSE ISO
Code ISO Code ISO
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RECOMMENDED ISO CLEANLINESS CODERECOMMENDED ISO CLEANLINESS CODE
P < 140 bar P < 210bar P > 210 bar
20/18/15
20/18/15
18/16/14
20/18/15
19/17/15
19/17/14
17/15/13
20/18/15
18/16/13
20/18/15
18/16/13
20/18/15
18/16/13
16/14/12
19/17/14
17/15/12
19/17/14
17/15/12
20/18/15
18/16/13
COMPOSANTS et CLASSE de POLLUTIONCOMPOSANTS et CLASSE de POLLUTION
CLASSE ISO de FILTRATION RECOMMANDE
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FILTRE HYDRAULIQUEFILTRE HYDRAULIQUE
Elément filtrant
Particules
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FILTRE HYDRAULIQUEFILTRE HYDRAULIQUE
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FILTRE HYDRAULIQUEFILTRE HYDRAULIQUE
Saturation des capacités du filtre
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OUVERTURE DU CLAPET BY-PASS : PLUS DE FILTRATIONOUVERTURE DU CLAPET BY-PASS : PLUS DE FILTRATION
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INDICATEUR DE COMMATAGEINDICATEUR DE COMMATAGE
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3 bars3 bars
INDICATEUR DE COMMATAGE VISUELINDICATEUR DE COMMATAGE VISUEL
Détection du colmatage si la pression est > à 3 bars
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INDICATEUR DE COMMATAGE ELECTRIQUE
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INDICATEUR DE COMMATAGE ELECTRIQUE ET VISUEL
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BOUCHON DE REMPLISSAGE FILTREBOUCHON DE REMPLISSAGE FILTRE
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BOUCHON DE REMPLISSAGE FILTREBOUCHON DE REMPLISSAGE FILTRE
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BOUCHON DE REMPLISSAGE FILTREBOUCHON DE REMPLISSAGE FILTRE
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BOUCHON DE REMPLISSAGE FILTREBOUCHON DE REMPLISSAGE FILTRE
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CIRCULATION de l’air ambiant vers le reservoirCIRCULATION de l’air ambiant vers le reservoir
Elément filtrant
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CIRCULATION de l’air contenu dans le reservoir vers l’exterieurCIRCULATION de l’air contenu dans le reservoir vers l’exterieur
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Elément filtrant colmatéElément filtrant colmaté
Indicateur de colmatage
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FILTRATION sur la CONDUITE D’ASPIRATION FILTRATION sur la CONDUITE D’ASPIRATION
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FILTRATION sur la CONDUITE D’ASPIRATION FILTRATION sur la CONDUITE D’ASPIRATION
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FILTRATION sur la CONDUITE DE REFOULEMENT FILTRATION sur la CONDUITE DE REFOULEMENT
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FILTRATION sur la CONDUITE DE RETOUR FILTRATION sur la CONDUITE DE RETOUR
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FILTRATION EXTERNE FILTRATION EXTERNE