{"id":2026,"date":"2024-12-13T15:46:17","date_gmt":"2024-12-13T07:46:17","guid":{"rendered":"http:\/\/www.waltec.com.cn\/?post_type=product&p=2026"},"modified":"2025-02-19T13:52:19","modified_gmt":"2025-02-19T05:52:19","slug":"df82-200-mfr-testing-machine","status":"publish","type":"product","link":"http:\/\/www.waltec.com.cn\/pt\/produto\/df82-200-mfr-testing-machine\/","title":{"rendered":"M\u00e1quina de ensaio MFR DF82.200"},"content":{"rendered":"

Vis\u00e3o geral<\/b><\/strong><\/h2>\n

M\u00e1quina de ensaio de \u00edndice de fluidez: um equipamento especializado para medir o \u00edndice de fluidez de termopl\u00e1sticos sob determinadas condi\u00e7\u00f5es, podendo determinar indiretamente o peso molecular de pol\u00edmeros de alto peso molecular. A taxa de fluxo de fus\u00e3o (\u00edndice de fus\u00e3o) de termopl\u00e1sticos refere-se \u00e0 massa ou ao volume de pl\u00e1stico fundido que passa por uma sa\u00edda padr\u00e3o da amostra a cada 10 minutos, a uma determinada temperatura e carga, expressa como valor MFR (MI) ou MVR, o que permite distinguir as caracter\u00edsticas de fluxo viscoso do termopl\u00e1stico no estado fundido. Adequado para testar pl\u00e1sticos de engenharia, como policarbonato, poliarilsulfona, fluoropl\u00e1sticos, n\u00e1ilon etc., com altas temperaturas de fus\u00e3o, bem como para testar pl\u00e1sticos como polietileno (PE), poliestireno (PS), polipropileno (PP), resina ABS, polioximetileno (POM), resina de policarbonato (PC), etc., com baixas temperaturas de fus\u00e3o. \u00c9 de grande import\u00e2ncia para garantir a qualidade das mat\u00e9rias-primas e dos produtos de pl\u00e1sticos termopl\u00e1sticos e fibras qu\u00edmicas.<\/p>\n

\u00c1rea de aplica\u00e7\u00e3o<\/b><\/strong><\/h2>\n

Amplamente utilizado em f\u00e1bricas, institutos de inspe\u00e7\u00e3o de qualidade de produtos, institui\u00e7\u00f5es de pesquisa e outras entidades nas \u00e1reas de produ\u00e7\u00e3o, inspe\u00e7\u00e3o, desenvolvimento, pesquisa e outros campos relacionados aos pl\u00e1sticos.<\/p>\n

Normas<\/b><\/strong><\/h2>\n
    \n
  • GB\/T3682-2018 \u201cDetermina\u00e7\u00e3o da taxa de fluxo de fus\u00e3o e da vaz\u00e3o volum\u00e9trica de fus\u00e3o de pl\u00e1sticos termopl\u00e1sticos\u201d<\/li>\n
  • ISO 1133:1997 \u201cDetermina\u00e7\u00e3o da vaz\u00e3o m\u00e1ssica (MFR) e da vaz\u00e3o volum\u00e9trica (MVR) de massas fundidas termopl\u00e1sticas\u201d<\/li>\n
  • ASTM D1238 \u201cM\u00e9todo de ensaio padr\u00e3o para determina\u00e7\u00e3o da taxa de fluxo de fus\u00e3o de materiais termopl\u00e1sticos por plast\u00edmetro de extrus\u00e3o\u201d<\/li>\n<\/ul>\n

    Introdu\u00e7\u00e3o ao m\u00e9todo de teste<\/b><\/strong><\/h2>\n

    M\u00e9todo de medi\u00e7\u00e3o em massa e m\u00e9todo de medi\u00e7\u00e3o por volume: uma m\u00e1quina para duas finalidades, com controle por meio de uma tela sens\u00edvel ao toque de 7 polegadas<\/p>\n

    Interface do m\u00e9todo de massa<\/p>\n

    Interface do m\u00e9todo de volume<\/p>\n

    Principais par\u00e2metros t\u00e9cnicos<\/b><\/strong><\/h2>\n

    Controle de temperatura<\/p>\n

    (1) Faixa: 100~450 \u2103<\/p>\n

    Os seguintes pontos de temperatura comumente utilizados foram definidos e calibrados de f\u00e1brica: 125, 150, 190, 200, 220, 230, 250, 265, 275, 280, 300 \u2103<\/p>\n

    (2) Flutua\u00e7\u00f5es: \u00b10,2<\/p>\n

    (3) Desvio em 4 horas: \u22640,5 \u2103<\/p>\n

    (4) Distribui\u00e7\u00e3o: \u22640,5 \u00b0C<\/p>\n

    (5) Resolu\u00e7\u00e3o: 0,1 \u2103<\/p>\n

    (6) Corre\u00e7\u00e3o de erros<\/p>\n

    Tempo de recupera\u00e7\u00e3o da temperatura do cilindro de amostras ap\u00f3s a alimenta\u00e7\u00e3o: \u22644 min<\/p>\n

    Rel\u00f3gio de ritmo<\/p>\n

    (1) Faixa: 0 a 6.000 s;<\/p>\n

    (2) Resolu\u00e7\u00e3o: 0,1 s<\/p>\n

    Unidade de corte<\/p>\n

    (1) Corte autom\u00e1tico programado<\/p>\n

    (2) Corte em zigue-zague<\/p>\n

    (3) Corte manual<\/p>\n

    Di\u00e2metro interno da sa\u00edda da amostra: \u03a62,095 \u00b1 0,005 mm;<\/p>\n

    Comprimento da sa\u00edda da amostra: 8.000 \u00b1 0,025 mm<\/p>\n

    Di\u00e2metro interno do cilindro da amostra: \u03a69,550 \u00b1 0,020 mm<\/p>\n

    Carga:<\/p>\n

    (1) Precis\u00e3o: \u2264\u00b10,51 TP3T<\/p>\n

    (2) Peso na configura\u00e7\u00e3o padr\u00e3o: 875 g\/960 g\/1.200 g\/1.640 g<\/p>\n

    (3) Precis\u00e3o de pesagem: \u00b10,51 TP3T<\/p>\n

    M\u00e9todo de sa\u00edda de dados: Impress\u00e3o por meio de uma microimpressora<\/p>\n

    Faixa de medi\u00e7\u00e3o: 50-3.000 cm\u00b3\/10 min<\/p>\n

    Fonte de alimenta\u00e7\u00e3o: CA 220 V \u00b1 10 %, 3 fases, 50 Hz<\/p>\n

    Dimens\u00f5es totais: C\u00d7L\u00d7A=550\u00d7430\u00d7700 mm3<\/sup><\/p>\n

    Peso total: cerca de 80 kg para a m\u00e1quina inteira<\/p>\n

    <\/b>Configura\u00e7\u00e3o<\/b><\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    N\u00e3o.<\/td>\nItem<\/td>\nQuantidade<\/td>\nUnidades<\/td>\nPontua\u00e7\u00e3o<\/td>\n<\/tr>\n
    1<\/td>\nHost da m\u00e1quina DF82.200<\/td>\n1<\/td>\npc<\/td>\nIncluindo microimpressora<\/td>\n<\/tr>\n
    2<\/td>\nComponente da haste de amostra<\/td>\n1<\/td>\nconjunto<\/td>\n<\/td>\n<\/tr>\n
    3<\/td>\nPeso<\/td>\n1<\/td>\nconjunto<\/td>\n5 kg, dentro do n\u00edvel de carga 1<\/td>\n<\/tr>\n
    4<\/td>\nAcess\u00f3rios<\/td>\n1<\/td>\nconjunto<\/td>\n<\/td>\n<\/tr>\n
    5<\/td>\nPlaca quadrada<\/td>\n1<\/td>\npc<\/td>\nA\u00e7o inoxid\u00e1vel<\/td>\n<\/tr>\n
    6<\/td>\nHaste do pist\u00e3o<\/td>\n1<\/td>\npc<\/td>\n<\/td>\n<\/tr>\n
    7<\/td>\nUnidade de sa\u00edda de amostras<\/td>\n1<\/td>\npc<\/td>\nA\u00e7o de tungst\u00eanio (\u03c6 2,095)<\/td>\n<\/tr>\n
    8<\/td>\nUnidade de alimenta\u00e7\u00e3o<\/td>\n1<\/td>\npc<\/td>\n<\/td>\n<\/tr>\n
    9<\/td>\nHaste de press\u00e3o<\/td>\n1<\/td>\npc<\/td>\n<\/td>\n<\/tr>\n
    10<\/td>\nAmostra de vareta de limpeza de cano<\/td>\n1<\/td>\npc<\/td>\n<\/td>\n<\/tr>\n
    11<\/td>\nHaste de limpeza da unidade de sa\u00edda de amostras<\/td>\n1<\/td>\npc<\/td>\n\u03a62<\/td>\n<\/tr>\n
    12<\/td>\nFunil para amostras<\/td>\n1<\/td>\npc<\/td>\n<\/td>\n<\/tr>\n
    13<\/td>\nL\u00e2mina de corte com cabo de madeira<\/td>\n1<\/td>\npc<\/td>\n<\/td>\n<\/tr>\n
    14<\/td>\nL\u00e2mina (pe\u00e7as de reposi\u00e7\u00e3o)<\/td>\n1<\/td>\npc<\/td>\n<\/td>\n<\/tr>\n
    15<\/td>\nGaze<\/td>\n2<\/td>\nrolar<\/td>\n<\/td>\n<\/tr>\n
    16<\/td>\nManga isolante e folha isolante<\/td>\n1 unidade<\/td>\npc<\/td>\n<\/td>\n<\/tr>\n
    17<\/td>\nCabo de alimenta\u00e7\u00e3o<\/td>\n1<\/td>\npc<\/td>\n<\/td>\n<\/tr>\n
    18<\/td>\nOutros<\/td>\n1 c\u00f3pia de cada um dos seguintes documentos: o documento, o certificado, o cart\u00e3o de garantia e a lista de embalagem<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    <\/h2>","protected":false},"excerpt":{"rendered":"

    Overview Melt flow rate testing machine: a specialized equipment for measuring the melt flow rate of thermoplastic under certain conditions, and can indirectly determine the molecular weight of high polymers. 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Melt flow rate testing machine: a specialized equipment for measuring the melt flow rate of thermoplastic under certain conditions, and can indirectly determine the molecular weight of high polymers. 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