{"id":84,"date":"2020-07-06T13:53:33","date_gmt":"2020-07-06T13:53:33","guid":{"rendered":"https:\/\/psi-polymersystems.com\/?page_id=84"},"modified":"2025-03-11T21:05:53","modified_gmt":"2025-03-11T21:05:53","slug":"how-a-psi-pump-works","status":"publish","type":"page","link":"https:\/\/www.psi-polymersystems.com\/pt\/products\/gear-pump-overview\/how-a-psi-pump-works\/","title":{"rendered":"O que uma bomba de engrenagem pode fazer"},"content":{"rendered":"
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O que uma bomba de engrenagem PSI pode fazer por voc\u00ea?<\/h2><\/div>\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\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Obtenha mais do seu processo<\/span><\/p>

Consulte Mais informa\u00e7\u00e3o\u2026<\/span><\/p>

\u00a0 \u00a0Benef\u00edcios para aplica\u00e7\u00f5es de extrus\u00e3o\/recipiente<\/span><\/a><\/span><\/p>

\u00a0 \u00a0Como funciona uma bomba de engrenagem<\/a><\/span><\/p>

\u00a0 \u00a0Redu\u00e7\u00e3o de oscila\u00e7\u00e3o de press\u00e3o (incl v\u00eddeo)<\/a><\/span><\/p>

\u00a0 \u00a0Esquema de controle t\u00edpico<\/a><\/span><\/p>

\u00a0 \u00a0Compara\u00e7\u00e3o com o Controle Gravim\u00e9trico de Extrus\u00e3o<\/a><\/span><\/p>

\u00a0 \u00a0Exemplos de retorno de bomba de engrenagem<\/a><\/span><\/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\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Bombas de engrenagem para aplica\u00e7\u00f5es de extrus\u00e3o de pol\u00edmeros:\u00a0<\/span><\/p>

  • Medidor de controle para menos de +\/-0.25% (t\u00edpico)!\u00a0\u00a0<\/span>As bombas de engrenagem compensam quase inteiramente os efeitos da varia\u00e7\u00e3o da press\u00e3o da cabe\u00e7a. A efici\u00eancia de bombeamento \u00e9 tipicamente 99.5% ou melhor.<\/li>
  • Redu\u00e7\u00e3o de at\u00e9 50:1 na entrada da matriz p<\/span>balan\u00e7os de seguran\u00e7a!\u00a0<\/span>Dimens\u00f5es precisas e repet\u00edveis em todo o seu perfil por meio de sa\u00edda volum\u00e9trica constante (cc\/rev). As oscila\u00e7\u00f5es de press\u00e3o da matriz s\u00e3o normalmente mantidas em 0,5 -1%. No entanto, sem uma bomba de engrenagem, a extrusora pode gerar oscila\u00e7\u00f5es de press\u00e3o da matriz de 10-15%.\u00a0 \u00a0\u00a0<\/li>
  • Use mais recupera\u00e7\u00e3o \u2013 muito mais.\u00a0<\/span>Bombas de engrenagem PSI flatline\u00a0<\/span>uma grande quantidade de impulso do barril da extrusora, uma vez que assumem a fun\u00e7\u00e3o de constru\u00e7\u00e3o de press\u00e3o para o molde.<\/span><\/li>
  • Aumente a produ\u00e7\u00e3o da sua extrusora \u2013 fornecemos ganhos superiores a 25%!\u00a0<\/span>diminuindo a contrapress\u00e3o da extrusora. Exemplo<\/em>:<\/li><\/ul>

    Se sua m\u00e9dia\u00a0taxa de linha \u00e9\u00a0<\/span>2.000 lbs.\/h., um aumento na produ\u00e7\u00e3o de 10% (nosso ganho m\u00ednimo t\u00edpico<\/em>) rende 200 libras\/h. de produ\u00e7\u00e3o agregada. Mais de 5.000 horas de produ\u00e7\u00e3o por ano, o aumento soma 1.000.000 libras. de produto adicional dispon\u00edvel para venda<\/strong>! Tente multiplicar isso pelo seu lucro por libra!\u00a0<\/span><\/p>

    • Coloca voc\u00ea em produ\u00e7\u00e3o mais r\u00e1pido<\/span>\u00a0(ou mais r\u00e1pido ainda<\/i>, com controle de transporte opcional) com partida automatizada por bot\u00e3o de toque \u2013 produz mais produto vend\u00e1vel e muito menos refugo!<\/span><\/li>
    • Menor custo do produto!<\/span>\u00a0Menos desperd\u00edcio de material devido \u00e0 extrus\u00e3o de toler\u00e2ncia mais apertada.<\/li>
    • Corte a sucata!\u00a0 <\/span>Produ\u00e7\u00e3o consistente e estabilidade dimensional significam produtos mais vend\u00e1veis para manter seus valiosos clientes satisfeitos, menos fora das especifica\u00e7\u00f5es e menos refugo.\u00a0\u00a0<\/li>
    • Aumenta a vida \u00fatil do seu <\/span>componentes da extrusora<\/strong> uma vez que a bomba retira a carga de press\u00e3o da extrusora. Tambores, parafusos, rolamentos, caixas de velocidades duram mais!<\/li>
    • Economiza energia!<\/span>\u00a0A adi\u00e7\u00e3o de uma bomba normalmente reduz toda a carga de amperagem de linha. Pequenas economias consistentes se somam a grandes economias ao longo do tempo.<\/li><\/ul>\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\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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      Bombas de engrenagem para aplica\u00e7\u00f5es em embarca\u00e7\u00f5es:\u00a0<\/span><\/p>

      • Grande orif\u00edcio de entrada para pr\u00e9-enchimento sob v\u00e1cuo<\/li>
      • Constru\u00e7\u00e3o de Press\u00e3o<\/li>
      • Transferir<\/li>
      • Revestido com flanges com classifica\u00e7\u00e3o ANSI para aquecimento de \u00f3leo quente<\/li>
      • Temperaturas de processamento mais baixas<\/li>
      • Menor consumo de energia<\/li>
      • Menor tens\u00e3o de cisalhamento<\/li><\/ul>\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\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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        Como funciona uma bomba de engrenagem:<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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        Uma bomba de engrenagem \u00e9 um dispositivo de deslocamento positivo que consiste em duas engrenagens contra-rotativas ajustadas dentro de rolamentos e um alojamento de toler\u00e2ncia estreita.<\/p>

        O pol\u00edmero fundido \u00e9 alimentado no lado de suc\u00e7\u00e3o (entrada) e medido com precis\u00e3o no lado de descarga.\u00a0<\/p>

        O volume de material entre cada dente da engrenagem \u00e9 precisamente o mesmo e cada revolu\u00e7\u00e3o completa fornecer\u00e1 um volume de sa\u00edda consistente e linear (medido em cc\/rev).\u00a0<\/p>

        Os dentes da engrenagem se encaixam, formando efetivamente uma veda\u00e7\u00e3o que permite que a press\u00e3o se acumule na matriz.<\/p>

        Os componentes da bomba de engrenagem s\u00e3o geralmente considerados eficientes 98-99+% para as aplica\u00e7\u00f5es de extrus\u00e3o mais comuns e processar\u00e3o uma ampla gama de viscosidades e densidades de fus\u00e3o.<\/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

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        Redu\u00e7\u00e3o de oscila\u00e7\u00e3o de press\u00e3o (incl. v\u00eddeo)<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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        Aplica\u00e7\u00e3o #1 \u2013 Tubo PEAD<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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          • Faixa de Sa\u00edda da Bomba: 0,17%<\/li>
          • Faixa de entrada da bomba: 5.28%<\/li><\/ul><\/li><\/ul>\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
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            Aplica\u00e7\u00e3o #2 \u2013 Recuperar\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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            Sa\u00edda da bomba<\/strong><\/span><\/p>

            Alta: 1.123 psi<\/p>

            Baixo: 1.118 psi<\/p>

            Mediana: 1.120,5 psi<\/p>

            Alcance: 5psi<\/p>

            Varia\u00e7\u00e3o:\u00a0 0.44%<\/span><\/p>

            Entrada da bomba<\/strong><\/span><\/p>

            Alta: 810 psi<\/p>

            Baixo: 553 psi<\/p>

            Mediana: 681 psi<\/p>

            Alcance: 257 psi<\/p>

            Varia\u00e7\u00e3o: 37,7%<\/p>

            51:1 Redu\u00e7\u00e3o de oscila\u00e7\u00e3o de press\u00e3o*<\/strong><\/p>

            \u00a0* varia de acordo com a aplica\u00e7\u00e3o \u2013 tipo 20:1 \u2013 50:1<\/em><\/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\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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            Esquema<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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            Loop de controle t\u00edpico para sa\u00edda de volume constante<\/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\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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            Compara\u00e7\u00e3o com o Controle Gravim\u00e9trico de Extrus\u00e3o\u00a0\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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            Produtor de tubula\u00e7\u00e3o de \u00e1gua Compara\u00e7\u00e3o com Controle de Extrus\u00e3o<\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            \u201cOperamos um sistema de controle de extrus\u00e3o e adicionamos uma bomba de fus\u00e3o<\/b>.\u00a0<\/p>

              1. Nossas matrizes e materiais criam altas contrapress\u00f5es. Criar essa press\u00e3o com uma bomba de derretimento reduz a carga e prolonga a vida \u00fatil dos rolamentos axiais, parafusos da extrusora e se\u00e7\u00f5es de alimenta\u00e7\u00e3o ranhuradas. Pelo menos dobra sua vida. Grandes economias<\/b>.<\/li>
              2. Economiza energia<\/b>. A redu\u00e7\u00e3o no requisito de HP para a alimenta\u00e7\u00e3o da extrusora excede a pot\u00eancia necess\u00e1ria para a bomba de fus\u00e3o. Pequenas economias, mas reais e consistentes.<\/li>
              3. Temperaturas de fus\u00e3o reduzidas<\/b>. Menos calor introduzido atrav\u00e9s da bomba de fus\u00e3o criando press\u00e3o vs. extrusora (PSI:\u00a0Regra geral: 6\u00b0-7\u00b0F por queda de 1.000 psi)<\/i><\/li>
              4. Mesmo com virgem h\u00e1 sempre alguma oscila\u00e7\u00e3o gerada pela rota\u00e7\u00e3o do parafuso. Comparado com a tremonha de pesagem gravim\u00e9trica, t<\/strong>ele bomba de engrenagem <\/b>fornece<\/b> m<\/b>min\u00e9rio <\/b>feed consistente<\/b>."\u201d<\/span><\/li><\/ol><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                Controle de Extrus\u00e3o<\/td>Bomba de engrenagem<\/td>\n<\/tr>\n
                Bom para controle de peso<\/td>Bom para controle de medidor\/parede<\/td>\n<\/tr>\n
                Sa\u00edda vinculada a mudan\u00e7as na densidade <\/td>Sa\u00edda vinculada ao deslocamento volum\u00e9trico preciso<\/td>\n<\/tr>\n
                Sem controle de surto de ciclo curto<\/td>20:1 - 50:1 controle de pico<\/td>\n<\/tr>\n
                Melhora o controle dimensional<\/td>Controle dimensional mais r\u00edgido<\/td>\n<\/tr>\n
                % de mo\u00eddo baixo a moderado<\/td>Remoagem de at\u00e9 100% (menor custo de material)<\/td>\n<\/tr>\n
                Persegue mudan\u00e7as na press\u00e3o da matriz<\/td>Controla a press\u00e3o da matriz<\/td>\n<\/tr>\n
                O fluxo de press\u00e3o afeta o medidor do produto <\/td>N\u00e3o \u00e9 um problema<\/td>\n<\/tr>\n
                Pode controlar a velocidade do extrator<\/td>Pode controlar a velocidade do extrator<\/td>\n<\/tr>\n
                Aumenta a press\u00e3o da cabe\u00e7a da extrusora<\/td>Reduz a press\u00e3o da cabe\u00e7a da extrusora (menos desgaste da extrusora)<\/td>\n<\/tr>\n
                Nenhum ganho efetivo na sa\u00edda<\/td>Tipo 10-15++ % ganho na sa\u00edda<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                Pense nisso \u2013 pequenas mudan\u00e7as na densidade de fus\u00e3o de dois fornecedores de materiais diferentes (ou mat\u00e9rias-primas de recupera\u00e7\u00e3o misturadas) com o mesmo \u00edndice de fus\u00e3o podem prejudicar o peso por comprimento em um sistema gravim\u00e9trico. Para que a gravimetria mantenha uma configura\u00e7\u00e3o de peso por comprimento, a mudan\u00e7a aparentemente insignificante na densidade de fus\u00e3o de um gaylord para o pr\u00f3ximo resulta no controle gravim\u00e9trico gerando uma mudan\u00e7a de perfil (parede mais grossa ou mais fina) para compensar. Ctendo mudan\u00e7as de medidor\/parede<\/span> <\/span>quando o peso \u00e9 inconsistente <\/span>pode ser extremamente frustrante. O <\/span>deslocamento volum\u00e9trico de <\/span>As bombas de engrenagem PSI resolvem isso. Mudan\u00e7as na densidade entre o fornecimento de alimenta\u00e7\u00e3o de material com o mesmo MI n\u00e3o t\u00eam impacto na estabilidade dimensional do perfil do produto! Se voc\u00ea quiser controlar o perfil, controle volumetricamente a alimenta\u00e7\u00e3o para a matriz.<\/span><\/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\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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                \n\t\t\t\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\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\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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                <\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                Retorno da bomba de engrenagem<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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                Produtor de tubos de condu\u00edte (1,5\u2033 SDR 13,5)<\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                151g 0,33289 libras. Peso m\u00e9dio por comprimento sem BOMBA<\/p>

                145g 0,31967lbs. Peso constante por comprimento COM BOMBA<\/span><\/p>

                \u00a0 \u00a0 \u00a06g 0,01323 libras. Economia de peso com bomba<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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                \u00a0 \u00a0 \u00a065 p\u00e9s\/min<\/p>

                \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a03900 p\u00e9s\/hora<\/p>

                \u00a0 \u00a0 \u00a0 \u00a020 horas\/dia<\/p>

                \u00a0 \u00a0 \u00a0 \u00a0 \u00a05 dias\/semana<\/p>

                \u00a0 \u00a0 \u00a0 \u00a050 semanas\/ano<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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                257.985 lbs\/ano ECONOMIZADOS!<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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                \n\t\t\t\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\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\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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                Produtor de tubos de drenagem<\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                \u201cGrandes oscila\u00e7\u00f5es de press\u00e3o significam que o tubo precisa ser 40 gramas mais pesado. Com uma bomba de engrenagem, podemos manter toler\u00e2ncias at\u00e9 15 gramas mais pesadas.\u201d tubo corrugado \u2013 floco de HDPE derretido fracionado<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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                \u00a0 \u00a0 40g 0,08818 libras. Sem bomba, execute toler\u00e2ncias \u201cX\u201d mais pesadas para acomodar a press\u00e3o +\/-<\/p>

                \u00a0 \u00a0 25g 0,05512 libras. Com a bomba, podemos manter as toler\u00e2ncias em 'x' mais pesadas<\/span><\/p>

                \u00a0 \u00a0 15g\u00a0 \u00a0<\/span>0.03307<\/span>\u00a0libras Redu\u00e7\u00e3o de peso com bomba<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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                \u00a0 \u00a0 \u00a0 \u00a012 p\u00e9s\/min<\/p>

                \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0720 p\u00e9s\/hora<\/p>

                \u00a0 \u00a0 \u00a0 \u00a024 horas\/dia<\/p>

                \u00a0 \u00a0 \u00a0 \u00a0 \u00a07 dias\/semana<\/p>

                \u00a0 \u00a0 \u00a0 \u00a050 semanas\/ano<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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                200.007 lbs\/ano ECONOMIZADOS!<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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                \u201cNo passado, ningu\u00e9m se importava com o peso, mas com os controles de efici\u00eancia que foram introduzidos, cada res\u00edduo \u00e9 contado.\u201d<\/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\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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                \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":"

                What a PSI Gear Pump can do for you? Get More from Your Process Read more… \u00a0 \u00a0Benefits for Extrusion\/Vessel applications \u00a0 \u00a0How a gear pump works \u00a0 \u00a0Pressure swing reduction (incl video) \u00a0 \u00a0Typical control schematic \u00a0 \u00a0Comparison with Gravimetric Extrusion Control \u00a0 \u00a0Gear Pump payback examples Gear Pumps For Polymer Extrusion Applications:\u00a0 Control […]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":353,"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-84","page","type-page","status-publish","hentry"],"yoast_head":"\nWhat a Gear Pump Can Do - PSI-Polymer Systems<\/title>\n<meta name=\"description\" content=\"What can an extrusion gear pump do your you? 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