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    CURSO SOBRE MANUTENO PREVENTIVA EPREDITIVA EM EQUIPAMENTOS HIDRULICOS

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    ECONOMIA GLOBALIZADA

    PADRES DE EXCELNCIA E QUALIDADE DE PRODUTOS

    E SERVIOS

    MAIOR FLEXIBILIDADE OPERACIONAL DAS INSTALAES

    MENORES CUSTOS DE PRODUO

    ATIVIDADE INDUSTRIAL

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    ECONOMIA GLOBALIZADA

    EQUIPAMENTOS COM MAIOR FLEXIBILIDADE OPERACIONAL

    SISTEMAS/COMPONENTES QUE ASSEGUREM:

    - MAIORES TEMPOS ENTRE FALHAS ( MTBF )

    - MENORES TEMPOS PARA REPAROS ( MTTR )

    UTILIZAO DE TCNICAS DE MANUTENO COM MELHOR

    RELAO CUSTO BENEFCIO

    ATIVIDADE MANUTENO

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    OBSOLESCNCIA

    15%

    CORROSO

    20%

    ADESO

    15%

    FADIGA

    20%

    ABRASO

    15%

    DESGASTEMECNICO

    50%

    DEGRADAO DE

    SUPERFICIE70%

    ACIDENTES

    15%

    PERDA DA UTILIDADE DE EQUIPAMENTOS

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    PROCURANDO O DEFEITO

    (80%)

    ELIMINANDO O DEFEITO(20%)

    DISTRIBUIO MDIA DO TEMPO GASTO

    MANUTENO DE EQUIPAMENTOS HIDRULICOS

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    Bombas(35%)

    Atuadores(15%)

    Controladorasde Vazo (10%)

    Controladorasde Presso(15%)Vlvulas Direcionais

    (10%)

    Tubulaes(10%)

    Outros

    Componentes (5%)

    Manuteno

    EQUIPAMENTOS HIDRULICOS

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    Fluido Hidrulico(80%)

    FatoresMecnicos(10%)

    Outros (5%)

    Desconhecidas(5%)

    Causas de Falhas

    EQUIPAMENTOS HIDRULICOS

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    UM CONJUNTO DE ATIVIDADES TCNICAS E

    ADMINISTRATIVAS CUJA FINALIDADE CONSERVAR

    OU RESTITUIR A UM TEM AS CONDIES QUE LHE

    PERMITAM REALIZAR SUA FUNO.

    ABRAMAN/ 1996

    COMBINAO DE TODAS AES TCNICAS E

    ADMINISTRATIVAS, INCLUINDO AS DE SUPERVISO,

    DESTINADAS A MANTER OU RECOLOCAR UM TEM EM UM

    ESTADO NO QUAL POSSA DESEMPENHAR UMA FUNO

    REQUERIDA. A MANUTENO PODE INCLUIR UMA

    MODIFICAO DE UM TEM.

    ABNT - NBR - 5462/1994

    MANUTENO

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    A Evoluo da Manuteno nos Pases

    Industrializados Introduziu Novos

    Conceitos Sobre

    MANUTENO DE EQUIPAMENTOS

    HISTRICO

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    CORRETIVA

    PREVENTIVA

    PREDITIVA

    PROATIVA

    INTERVENO APS A FALHA

    COM BASE NO ESTADO

    PERIDICA OU SISTEMTICA

    DIAGNSTICO COM PREDIO DANATUREZA E MOMENTO DA FALHA

    MONITORA AS ORIGENS DAS CAUSASDAS FALHAS

    SISTEMAS DE MANUTENSISTEMAS DE MANUTENOO

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    ATRAVS DE INSPEES PERIDICAS,

    POSSVEIS FALHAS SO DETECTADAS

    E PREVIAMENTE PROGRAMADOS

    OS REPAROS NECESSRIOS.

    MANUTENO PREVENTIVA SOB CONDIO

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    SUBORDINADA A UM TIPO DE ACONTECIMENTO

    PREDETERMINADO.

    INSPEO

    DIAGNSTICO

    MEDIDA

    MANUTENO PREVENTIVA SOB CONDIO

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    Efetuada Segundo um Esquema de Cobranas

    Intervalo de Tempo

    Volume de Produo

    Estabelecido, Tendo Como Base o Tempo ou o

    Nmero de Unidades de Uso.

    Distncia Percorrida

    Nmero de Operaes

    Horas de Operao

    SISTEMTICA MANUTENO PREVENTIVA

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    MANUTENO QUE PERMITE GARANTIR UMA QUALIDADE DE

    SERVIO DESEJADA, COM BASE NA APLICAO SISTEMTICA DE

    TCNICAS DE ANLISE; UTILIZANDO-SE MEIOS DE SUPERVISO

    CENTRALIZADOS OU DE AMOSTRAGEM, PARA REDUZIR AO

    MNIMO A MANUTENO PREVENTIVA E DIMINUIR A

    MANUTENO CORRETIVA.

    ABNT - NBR - 5462/1994

    SO TAREFAS DE MANUTENO PREVENTIVA QUE VISAM

    ACOMPANHAR A MQUINA OU AS PEAS, POR

    MONITORAMENTO, POR MEDIES OU POR CONTROLE

    ESTATSTICO PARA TENTAR PREVER OU PREDIZER A

    PROXIMIDADE DA OCORRNCIA DE UMA FALHA.

    ABRAMAN/ 1996

    MANUTENO PREDITIVA

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    PERMITE QUE FALHAS SEJAM PREVISTAS

    E TRATADAS ANTES DA QUEBRA.

    MANUTENO PREDITIVA

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    MANUTENO PROATIVA

    CONSISTE EM MONITORAR E MANTER,

    DENTRO DOS LIMITES ACEITVEIS, OS

    PARMETROS CRTICOS DAS

    "ORIGENS DAS CAUSAS" DAS FALHAS.

    MANUTENO PROATIVA

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    CORRETIVA

    PREVENTIVA

    PREDITIVA

    PROATIVA

    INSPEO POR AUTPSIA

    MONITORAO DAS CONDIES DAS

    ORIGENS DAS CAUSAS DE FALHAS

    INSPEO MULTISENSORIAL E

    PROCURA DE DEFEITOS

    MONITORAO DAS CONDIES

    DE DEGRADAO DE MATERIAIS

    MANUTENMANUTENO COM TECNOLOGIAO COM TECNOLOGIA

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    D: ppt/sistema/preventiva/022

    INSPEO CONDICIONAL ANLISE DA FALHA

    MANUTENO PREVENTIVA EM EQUIPAMENTOSHIDRULICOS

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    INSTRUMENTAL

    MULTI-SENSORIAL

    Visual

    Auditiva

    Ttil Olfativa

    INSPEO

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    PREVENTIVA SOB CONDIO:

    - INSPEO MULTISENSORIAL

    - INSPEO INSTRUMENTAL

    MANUTENO PREVENTIVA DE EQUIPAMENTOSHIDRULICOS

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    Vazamento Externos

    Nvel do Fluido

    Condies dos Instrumentos

    Condies dos Condutores

    Condies da Pintura Interna do Reservatrio

    Corroso dos Componentes

    Oxidao dos Componentes

    Aparncia do Fluido Movimento dos Atuadores

    Indicadores de Sujidade dos Filtros Limpeza dos Componentes e Instalao

    Sinalizadores Visuais

    INSPEO VISUAL

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    Cavitao

    Aerao

    Barulhos Provenientes de Atrito ou ChoqueEntre Peas Metlicas

    Vazamento Interno

    Rudos em Solenides

    Golpe de Arete

    Rotativos Rudos em Rolamentos ou Componentes

    Sinalizadores Sonoros

    INSPEO AUDITIVA

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    Aquecimento

    Vibrao

    Vazamento Interno

    Defeito em Solenides

    INSPEO TTIL

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    Queima de Solenides

    Oxidao, Combusto e Decomposiodo Fluido Hidrulico

    INSPEO OLFATIVA

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    O QUE INSPECIONAR:

    - RESERVATRIO HIDRULICO

    - FLUIDO HIDRULICO

    - UNIDADE DE POTNCIA- BANCO DE VLVULA

    - ACUMULADOR HIDRULICO

    - TROCADOR DE CALOR

    - CILINDRO HIDRULICO- TUBULAO- SALA HIDRULICA

    MANUTENO PREVENTIVA DE EQUIPAMENTOSHIDRULICOS

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    NVEL DO FLUIDO HIDRULICO

    TEMPERATURA DO FLUIDO HIDRULICO TAMPAS DE INSPEO

    PAREDES INTERNAS

    PAREDES EXTERNAS

    VAZAMENTOS EXTERNOS

    RESPIRO DE AR

    FILTRO DO RESPIRO DE AR

    BOCAL DE ENCHIMENTO FILTRO DO BOCAL DE ENCHIMENTO

    INDICADOR DE NVEL

    RESERVATRIO HIDRULICO

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    MEDIDOR DE NVEL

    VLVULA DE DRENO

    BUJES OU PLACAS MAGNTICAS

    TERMMETRO

    TERMOSTATO

    IDENTIFICAO

    TUBULAES DE DRENO, RETORNO E SUCO

    RESERVATRIO HIDRULICO

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    D:ppt/sistema/preventiva01/004

    ANLISE DAS PROPRIEDADES FSICO/QUMICA

    ANLISE DA CONTAMINAO DOS SLIDOS

    PRESENA DE ESPUMA

    CONTAMINAO POR GUA

    FLUIDO HIDRULICO

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    Vlvulas da Linha de Suco

    Chave Fim do Curso de Vlvulas de Suco

    Aerao

    Cavitao

    Manmetro

    Vacumetro

    Vlvula Isoladora do Manmetro Vlvula Isoladora do Vacumetro

    Filtro de Suco

    Filtro de Retorno

    Nvel de Rudo da Bomba

    Alinhamento e Nivelamento do Conjunto

    Motor/Bomba

    UNIDADE DE POTNCIA

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    Presso Mxima

    Presso Mnima Temperatura da Bomba

    Pressostato

    Temperatura da Tubulao de Suco

    Temperatura da Tubulao de Descarga

    Temperatura de Tubulao de Dreno

    Vazamentos Externos

    Temperatura da Vlvula Controladora de Presso

    Vazamento Interno na Vlvula Controladora de Presso

    UNIDADE DE POTNCIA

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    VAZAMENTO

    TEMPERATURA DOS COMPONENTES

    CONEXES ELTRICAS FIXAO DE VLVULAS

    IDENTIFICAO

    DIAGRAMA VLVULAS DE BLOQUEIO

    FIXAO DE SOLENIDES

    LMPADAS SINALIZADORAS

    FUNCIONAMENTO DOS SOLENIDES

    TEMPERATURA DOS SOLENIDES

    FILTROS

    BANCO DE VLVULAS

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    Funcionamento das Vlvulas Direcionais

    Temperatura das Vlvulas Redutoras de Presso

    Vedaes Internas das Vlvulas

    Condies das Molas das Vlvulas

    Parte Interna do Corpo das Vlvulas

    Componentes Internos das Vlvulas

    Funcionamento das Vlvulas Controladoras de Presso

    Vazamento Interno nas Vlvulas Controladoras de Presso

    BANCO DE VLVULAS

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    Fixao

    Vazamento

    Alinhamento

    Proteo da Haste

    Sangria de ar

    Estado da Haste Vazamento Interno

    Lubrificao dos Munhes

    Ajuste da Velocidade

    Regulagem de Amortecimento

    Regulagem do Curso de Trabalho

    CILINDROS HIDRULICOS

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    APERTO DA SOBREPOSTA

    VEDAES

    FIXAO DO MBOLO COM A HASTE

    CONDIES DA ROSCA DA HASTE E OLHAL

    SUPERFCIE INTERNA DA CAMISA

    DESGASTE NO OLHAL, PINO E SUPORTE DO PINO

    CILINDROS HIDRULICOS

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    Presso de Pr-Carga

    Vazamento Externo

    Vlvula de Bloqueio do Fluido Hidrulico Vlvula de Dreno do Fluido Hidrulico

    Vlvula de Segurana do Fluido Hidrulico

    Superfcie Externa da Carcaa

    Temperatura da Carcaa

    Condies da Bexiga

    Mola da Vlvula Anti-Extruso

    Obturador da Vlvula Anti-Extruso Porca de Fixao do Obturador

    Movimento do Obturador

    ACUMULADOR HIDROPNEUMTICO

    O O O

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    TAMPA DE PROTEO DA VLVULA DE PR-CARGA

    VAZAMENTO DO GS DE PR-CARGA

    IDENTIFICAO

    LIMPEZA

    VLVULA DE SEGURANA DO GS DE PR-CARGA

    SINALIZAO DE NVEL

    SUPORTES DE FIXAO

    TUBULAES E CONEXES

    CONTROLE DE NVEL

    VLVULA DE NVEL MNIMO

    ACUMULADOR HIDROPNEUMTICO

    TROCADOR DE CALOR (COOLER)

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    Temperatura da gua na Sada

    Vazamento Interno

    Vazamento

    Temperatura de Entrada do Fluido Hidrulico

    Temperatura de Sada do Fluido Hidrulico Temperatura da gua na Entrada

    Termmetros

    Vlvula Termosttica

    Vlvulas de Bloqueio

    Filtro de gua

    TROCADOR DE CALOR (COOLER)

    TROCADOR DE CALOR (COOLER)

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    CONDIES DOS BUJES SACRIFCIO

    PROPRIEDADES FSICAS E QUMICAS DA GUA

    CONDIES DA PARTE INTERNA DA CARCAA E TAMPAS

    CONDIES DAS VEDAES

    CONDIES DO FEIXE TUBULAR

    TROCADOR DE CALOR (COOLER)

    TUBULAES

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    TEMPERATURA

    CONDIES DOS TUBOS

    ENCAMINHAMENTO

    PONTOS DE SANGRIA

    VAZAMENTO

    APERTO DOS PARAFUSOS DOS FLANGES

    VIBRAES

    IDENTIFICAO

    PINTURA FIXAO DOS SUPORTES

    POSIO E DISTNCIA DOS SUPORTES

    TUBULAES

    INSPEO INSTRUMENTAL

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    Atravs da Utilizao de Instrumentos os SeguintesParmetros Podero ser Avaliados:

    Temperatura

    Presso

    Vazo

    Vibrao

    Picos de Presso Sequncia Operacional

    Tenso

    Corrente

    Isolante Eltrico

    Espessura da Pintura Interna do Reservatrio

    Nvel de Contaminao do Fluido

    Propriedades Fsico/Qumica do Fluido

    INSPEO INSTRUMENTAL

    MANUTENO DE EQUIPAMENTOS HIDRULICOS

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    1 - CONHEA O PRINCPIO DO SISTEMA NO QUAL

    VOC FAZ MANUTENO;

    2 - ESTUDE ATENTAMENTE OS DIAGRAMAS E LEIA ASINSTRUES DO FABRICANTE;

    3 - USE AS FERRAMENTAS CORRETAS EUSE-AS CORRETAMENTE;

    4 - ALGUNS COMPONENTES SO DELICADOS E REQUEREM

    JEITO ESPECIAL PARA FAZ-LOS FUNCIONAR;

    MANUTENO DE EQUIPAMENTOS HIDRULICOS

    MANUTENO DE EQUIPAMENTOS HIDRULICOS

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    5 - NO EXPERIMENTE A NO SER QUE ESTA SEJA A

    SUA LTIMA ALTERNATIVA;

    6 - NO "QUEBRE-GALHOS", GASTE O TEMPONECESSRIO PARA FAZER O TRABALHO CERTO;

    7 - PENSE EM SEGURANA: A MANEIRA MAIS

    SEGURA DE TRABALHAR EM QUALQUERMQUINA DESLIG-LA ANTES;

    8 - NUNCA TRABALHE NUM SISTEMA HIDRULICO SOBPRESSO.

    MANUTENO DE EQUIPAMENTOS HIDRULICOS