{"id":4564,"date":"2019-05-06T13:52:12","date_gmt":"2019-05-06T05:52:12","guid":{"rendered":"http:\/\/www.jxscmachine.com\/?post_type=new&p=4564"},"modified":"2019-09-24T15:16:13","modified_gmt":"2019-09-24T07:16:13","slug":"diagnostico-de-avarias-no-crivo-vibratorio","status":"publish","type":"new","link":"https:\/\/www.jxscmachine.com\/pt\/new\/vibrating-screen-fault-diagnose\/","title":{"rendered":"Diagn\u00f3stico de avarias do crivo vibrat\u00f3rio"},"content":{"rendered":"

O que deve saber antes da fratura da travessa da peneira vibrat\u00f3ria?<\/strong><\/span><\/p>\n

O ecr\u00e3 vibrat\u00f3rio<\/strong> \u00e9 o tipo de crivo de material mais utilizado na aplica\u00e7\u00e3o de processamento de agregados, processamento de carv\u00e3o, instala\u00e7\u00f5es de processamento de minerais, gest\u00e3o de rejeitos, lavagem e tarefa de dimensionamento. O crivo vibrat\u00f3rio inclinado est\u00e1 normalmente equipado com duas, tr\u00eas ou mais camadas de plataformas. O que \u00e9 que cada operador de m\u00e1quina deve saber antes de ocorrer uma avaria? Comecemos pela barra transversal. venda de peneira vibrat\u00f3ria<\/span><\/a><\/p>\n

1 Estrutura e princ\u00edpio de funcionamento<\/h2>\n

As partes principais s\u00e3o o acionamento, o ecr\u00e3, o excitador de vibra\u00e7\u00f5es, o para-choques, a transmiss\u00e3o, a mola e o painel lateral.
\nA travessa \u00e9 o principal componente do corpo do crivo e \u00e9 feita de um tubo de a\u00e7o retangular oco. A camada de borracha da superf\u00edcie exterior da viga pode evitar a sua eros\u00e3o e reduzir eficazmente o ru\u00eddo. A fissura da viga transversal do crivo vibrat\u00f3rio que acaba de ser colocado em produ\u00e7\u00e3o mostra que o problema existe no corpo do crivo.
\n\"estrutura<\/p>\n

2 Diagn\u00f3stico de avarias<\/h2>\n

2.1 Deforma\u00e7\u00e3o do veio de liga\u00e7\u00e3o entre os dois excitadores<\/h3>\n

\u00c9 necess\u00e1rio o movimento de sincroniza\u00e7\u00e3o de dois excitadores, se o eixo que liga os dois excitadores correr mal, um dos excitadores est\u00e1 a trabalhar com avan\u00e7o ou atraso, causar\u00e1 vibra\u00e7\u00e3o assincronizada, assim, a for\u00e7a n\u00e3o uniforme nos lados esquerdo e direito prejudica a viga transversal.
\nAbordagens de corre\u00e7\u00e3o: verificar se h\u00e1 desvios em ambas as extremidades do veio de liga\u00e7\u00e3o, ajustar ou substituir o veio.<\/p>\n

2.2 O problema do excitador pr\u00f3prio<\/h3>\n

\u00c9 prefer\u00edvel n\u00e3o utilizar dois excitadores de dois fornecedores diferentes, para evitar os problemas de desvio dos excitadores pr\u00f3prios.<\/p>\n

2.3 Alimenta\u00e7\u00e3o n\u00e3o uniforme, carga desequilibrada<\/h3>\n

A carga desequilibrada faz com que a diferen\u00e7a de \u00e2ngulo dos dois lados seja sobredimensionada, pelo que a viga transversal se desgasta e parte prematuramente.
\n\"aplica\u00e7\u00e3o<\/p>\n

2.4 Grande for\u00e7a de impacto da alimenta\u00e7\u00e3o<\/h3>\n

A elevada queda da ranhura de alimenta\u00e7\u00e3o provoca um forte impacto que danifica diretamente a viga transversal. Entretanto, a for\u00e7a de impacto excessiva tamb\u00e9m provoca vibra\u00e7\u00f5es que podem ter influ\u00eancia no desempenho.
\nAbordagens de corre\u00e7\u00e3o: adicionar uma placa de tra\u00e7o no meio da ranhura do material, sob a condi\u00e7\u00e3o de n\u00e3o bloqueio, minimizar a altura da queda juntamente com a for\u00e7a de impacto.<\/p>\n

2.5 Sobrecarga<\/h3>\n

Devido \u00e0 configura\u00e7\u00e3o inadequada do equipamento, algumas m\u00e1quinas de crivagem funcionam durante muito tempo em condi\u00e7\u00f5es de sobrecarga, os efeitos de crivagem e de dissocia\u00e7\u00e3o s\u00e3o prejudicados, al\u00e9m disso, as molas e a viga transversal partem-se facilmente.
\nAbordagens de cobertura: recomenda-se alargar o orif\u00edcio do crivo ou a junta do crivo. Para o crivo vibrat\u00f3rio horizontal, aumentar a altura da entrada de alimenta\u00e7\u00e3o, aumentar o volume do fluxo de material de modo a aumentar a capacidade de processamento.<\/p>\n

2.6 Desprendimento da placa do crivo<\/h3>\n

A placa de peneira\u00e7\u00e3o solta afecta diretamente a viga transversal e tamb\u00e9m altera a frequ\u00eancia da peneira\u00e7\u00e3o, o que pode fazer com que a velocidade de rota\u00e7\u00e3o se aproxime do ponto cr\u00edtico, causando graves danos \u00e0 m\u00e1quina.
\nAbordagens de cobertura: verificar regularmente a placa e a base do crivo, apertar os parafusos e substituir as pe\u00e7as desgastadas do crivo.
\n\"m\u00e1quina<\/p>\n

2.7 A qualidade da viga transversal<\/h3>\n

A qualidade da viga transversal est\u00e1 intimamente relacionada com o processo de soldadura e a t\u00eampera ap\u00f3s a soldadura. Se a tens\u00e3o de soldadura n\u00e3o for eliminada, ocorre facilmente uma fratura no local da soldadura.
\nA partir da an\u00e1lise das causas da fratura da viga transversal do crivo vibrat\u00f3rio acima referida, verifica-se que, com exce\u00e7\u00e3o de uma pequena parte devida \u00e0 qualidade intr\u00ednseca, a maior parte \u00e9 causada pela opera\u00e7\u00e3o e manuten\u00e7\u00e3o. Assim, no local de produ\u00e7\u00e3o, \u00e9 necess\u00e1rio conhecer bem a opera\u00e7\u00e3o e a manuten\u00e7\u00e3o correctas para garantir a seguran\u00e7a e a efici\u00eancia.<\/p>","protected":false},"excerpt":{"rendered":"

O que se deve saber antes da fratura da travessa do crivo vibrat\u00f3rio? O crivo vibrat\u00f3rio \u00e9 o tipo de crivo de material mais utilizado no aparelho de processamento de agregados, processamento de carv\u00e3o, f\u00e1brica de processamento de minerais, gest\u00e3o de rejeitos, lavagem e tarefa de dimensionamento. O crivo vibrat\u00f3rio inclinado est\u00e1 normalmente equipado com duas, tr\u00eas ou mais camadas de plataformas. O que deve ... Continuar a ler Diagn\u00f3stico de avarias do crivo vibrat\u00f3rio<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":4567,"parent":0,"menu_order":331,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[],"tags":[],"class_list":["post-4564","new","type-new","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nVibrating Screen Fault Diagnose - JXSC Machine<\/title>\n<meta name=\"description\" content=\"Vibrating Screen Fault Diagnose, what should every machine operator know before the fault will occur? 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