{"id":5846,"date":"2020-09-22T12:46:16","date_gmt":"2020-09-22T12:46:16","guid":{"rendered":"https:\/\/psi-polymersystems.com\/?page_id=5846"},"modified":"2022-08-02T14:13:32","modified_gmt":"2022-08-02T14:13:32","slug":"psi-polymer-systems-inc-to-introduce-new-products-for-pvc-applications-at-npe2018-conover-nc-may-7-2018","status":"publish","type":"page","link":"https:\/\/www.psi-polymersystems.com\/pt\/about-us\/press-releases\/psi-polymer-systems-inc-to-introduce-new-products-for-pvc-applications-at-npe2018-conover-nc-may-7-2018\/","title":{"rendered":"PSI-Polymer Systems, Inc. apresenta novos produtos para aplica\u00e7\u00f5es de PVC na NPE2018 Conover, NC (7 de maio de 2018)"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"5846\" class=\"elementor elementor-5846\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8200b87 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8200b87\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-34e17ab\" data-id=\"34e17ab\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-45303de elementor-widget elementor-widget-heading\" data-id=\"45303de\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">PSI-Polymer Systems, Inc. apresenta novos produtos para aplica\u00e7\u00f5es de PVC na NPE2018 Conover, NC (7 de maio de 2018)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7dd3b0a elementor-widget elementor-widget-text-editor\" data-id=\"7dd3b0a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A PSI-Polymer Systems Inc. (estande W5791) apresentar\u00e1 dois novos produtos projetados para aplica\u00e7\u00f5es de PVC na NPE2018. O novo trocador de tela e bomba de engrenagem s\u00e3o os primeiros produtos da PSI de seus respectivos tipos a serem desenvolvidos especificamente para vinil r\u00edgido. O PVC \u00e9 um material particularmente desafiador para trabalhar devido \u00e0 sua janela de processo estreita e \u00e0 necessidade de um fluxo constante e constante, o que impede que muitos processadores de RPVC usem trocadores de tela ou bombas de engrenagem. Os novos produtos da PSI eliminam as preocupa\u00e7\u00f5es usuais dos processadores sobre a inclus\u00e3o de trocadores de tela e bombas de engrenagem em seu processo.<\/p><p><u>Trocador de Tela da Placa de Expans\u00e3o (ESC)<\/u><\/p><p>Os trocadores de tela geralmente n\u00e3o s\u00e3o aplicados aos processos de RPVC, pois quando o material passa por transi\u00e7\u00f5es ou etapas, o calor de cisalhamento \u00e9 introduzido e geralmente desencadeia a queima localizada do material. A PSI, no entanto, foi capaz de desenvolver uma solu\u00e7\u00e3o alternativa que permite que seu trocador de tela de placa de expans\u00e3o (patente requerida) tolere oscila\u00e7\u00f5es de temperatura de at\u00e9 20-40 \u00b0 F.<\/p><p>\u201cCom nosso ESC, resolvemos os problemas qu\u00edmicos relativos ao calor, fluxo e condutividade t\u00e9rmica que tornam o uso de um trocador de tela com formula\u00e7\u00f5es de PVC t\u00e3o desafiador\u201d, diz Don Macnamara, gerente geral da PSI. \u201cA PSI vem resolvendo problemas de processamento desafiadores h\u00e1 quase 20 anos, mas estamos muito orgulhosos dessa solu\u00e7\u00e3o particularmente dif\u00edcil.\u201d<\/p><p>Geralmente utilizado em aplica\u00e7\u00f5es de chapas e perfis, o trocador de tela requer um desligamento moment\u00e2neo para uma troca de tela, o que elimina a necessidade de desmontagem da matriz e as altas taxas de refugo resultantes disso, especialmente em tiragens curtas. O pr\u00f3prio processo de troca de tela tamb\u00e9m \u00e9 habilmente projetado, com controle PLC de barras espa\u00e7adoras de expans\u00e3o que separam as metades do corpo da placa deslizante entre elas. Uma vez que a tela gasta foi substitu\u00edda, as barras espa\u00e7adoras se contraem, trazendo as metades do corpo de a\u00e7o de volta firmemente contra a placa deslizante, recriando uma veda\u00e7\u00e3o atrav\u00e9s do contato a\u00e7o com a\u00e7o. O ESC vem de f\u00e1brica com componentes de a\u00e7o inoxid\u00e1vel resistentes \u00e0 corros\u00e3o, furos de fluxo cromados diretos para reduzir o atrito da superf\u00edcie e eliminar \u00e1reas de travamento, corpos a montante e a jusante id\u00eanticos, intercambi\u00e1veis e repar\u00e1veis em campo para f\u00e1cil reparo ou substitui\u00e7\u00e3o e zero selos mec\u00e2nicos para criar menos oportunidades para que as coisas d\u00eaem errado. Esses atributos tornam este trocador de tela confi\u00e1vel, dur\u00e1vel e eficiente, al\u00e9m de sua capacidade j\u00e1 impressionante de prosperar em um processo extremamente desafiador.<\/p><p><u>Bomba de engrenagem clorada (CGP)<\/u><\/p><p>No entanto, n\u00e3o s\u00e3o apenas os trocadores de tela que tendem a ser evitados para aplicativos RPVC. As bombas de fus\u00e3o normalmente tamb\u00e9m n\u00e3o s\u00e3o usadas devido ao calor gerado nas folgas axiais das engrenagens e nas zonas de lubrifica\u00e7\u00e3o dos rolamentos. Muitas bombas de derretimento hoje s\u00e3o capazes de descarregar material usado para lubrifica\u00e7\u00e3o de engrenagens e rolamentos, mas, ao faz\u00ea-lo, geralmente aquecem a temperaturas inadequadas para materiais termossens\u00edveis como RPVC. A nova bomba de engrenagem clorada da PSI oferece a solu\u00e7\u00e3o.<\/p><p>\u201cNosso novo CGP \u00e9 altamente eficaz no gerenciamento do perfil de temperatura na bomba de fundi\u00e7\u00e3o, o que \u00e9 t\u00e3o cr\u00edtico para o PVC.\u201d diz Macnamara. \u201cFoi preciso muito trabalho e v\u00e1rias modifica\u00e7\u00f5es, mas nosso produto agora permitir\u00e1 que nossos clientes que executam um pol\u00edmero termicamente sens\u00edvel aproveitem a estabiliza\u00e7\u00e3o da press\u00e3o da matriz, o aumento da produ\u00e7\u00e3o e a redu\u00e7\u00e3o dos benef\u00edcios da press\u00e3o da extrusora de uma bomba de engrenagem sem se preocupar que seu pol\u00edmero vai carbonizar ou degradar por causa disso.\u201d<\/p><p>O novo design modificou v\u00e1rios componentes para melhorar a transfer\u00eancia de calor e controlar com mais precis\u00e3o as mudan\u00e7as de temperatura t\u00edpicas em uma bomba de engrenagem. O corpo e as placas laterais do CGP s\u00e3o revestidos para meios de transfer\u00eancia de calor a vapor ou \u00f3leo, que percorrem toda a bomba em uma \u00fanica passagem. Para ajudar a empurrar o calor para fora das \u00e1reas de alta carga das engrenagens, o CGP possui dois eixos de engrenagem estendidos que ajudam a transferir o calor para fora dos mancais dos mancais para os mancais de veda\u00e7\u00e3o mais frios e, em seguida, atrav\u00e9s das veda\u00e7\u00f5es para as placas laterais revestidas. Para uma condutividade ideal, todas as veda\u00e7\u00f5es est\u00e3o contidas e s\u00e3o integradas \u00e0s placas laterais. Para maior controle de calor, existem canais de resfriamento colocados no corpo para afastar o calor dos di\u00e2metros externos dos rolamentos e placas laterais grandes e encamisadas ajudam a fornecer transfer\u00eancia de calor adicional dos rolamentos. O material de sangria usado para lubrifica\u00e7\u00e3o dos rolamentos e engrenagens \u00e9 evacuado do fluxo do processo atrav\u00e9s de orif\u00edcios internos para o exterior da bomba em um sangramento constante (aproximadamente 0,01% de fluxo).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-7d0998d\" data-id=\"7d0998d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>PSI-Polymer Systems, Inc. Apresentar\u00e1 novos produtos para aplica\u00e7\u00f5es de PVC na NPE2018 Conover, NC (7 de maio de 2018) A PSI-Polymer Systems Inc. (estande W5791) apresentar\u00e1 dois novos produtos projetados para aplica\u00e7\u00f5es de PVC na NPE2018. O novo trocador de tela e bomba de engrenagem s\u00e3o os primeiros produtos da PSI de seus respectivos tipos a serem desenvolvidos especificamente para vinil r\u00edgido. [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"parent":5833,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-5846","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v25.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PSI-Polymer Systems, Inc. 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