{"id":4996,"date":"2025-01-11T08:55:20","date_gmt":"2025-01-11T08:55:20","guid":{"rendered":"https:\/\/yushineplastics.com\/?p=4996"},"modified":"2026-03-12T01:30:35","modified_gmt":"2026-03-12T01:30:35","slug":"moldes-de-plastico-formando","status":"publish","type":"post","link":"https:\/\/yushineplastics.com\/pt\/plastic-moulds-forming\/","title":{"rendered":"Tecnologia de moldes pl\u00e1sticos e conforma\u00e7\u00e3o de pl\u00e1sticos"},"content":{"rendered":"

(1)Defini\u00e7\u00e3o<\/h2>\n

O molde usado para fazer produtos pl\u00e1sticos \u00e9 chamado de molde pl\u00e1stico. Para produzir<\/span> produtos pl\u00e1sticos com tamanhos, formas e propriedades espec\u00edficas, pl\u00e1stico termoendurec\u00edvel ou termopl\u00e1stico \u00e9 aquecido a uma temperatura espec\u00edfica e colocado em uma cavidade moldada, que permanece sem ser removida ap\u00f3s esfriar. Esse processo \u00e9 chamado de tecnologia de conforma\u00e7\u00e3o de pl\u00e1stico.<\/span><\/p>\n

(2)Tipo de tecnologia de conforma\u00e7\u00e3o de pl\u00e1stico<\/h2>\n

A tecnologia de conforma\u00e7\u00e3o de pl\u00e1stico \u00e9 principalmente classificada em conforma\u00e7\u00e3o por compress\u00e3o, transforma\u00e7\u00e3o e conforma\u00e7\u00e3o por inje\u00e7\u00e3o de acordo com o m\u00e9todo de moldagem. Al\u00e9m disso, h\u00e1 moldagem por sopro oco, conforma\u00e7\u00e3o por espuma e conforma\u00e7\u00e3o por vazamento.<\/p>\n

(3)Molde pl\u00e1stico e sua estrutura b\u00e1sica<\/h2>\n

A tecnologia de conforma\u00e7\u00e3o de pl\u00e1stico classifica os moldes pl\u00e1sticos em moldes de compress\u00e3o, moldes de transfer\u00eancia, moldes de inje\u00e7\u00e3o, moldes de sopro ocos, moldes de espuma e moldes de vazamento.<\/p>\n

Existem muitos tipos de moldes pl\u00e1sticos, mas eles consistem apenas de dois tipos principais: partes de forma\u00e7\u00e3o e estrutura. Agora, ele explica a estrutura b\u00e1sica do molde pl\u00e1stico com dois exemplos de estruturas t\u00edpicas.<\/p>\n

\"Molde

1-Placa de fixa\u00e7\u00e3o da metade superior 2-Placa cr\u00edtica 3-Placa de reten\u00e7\u00e3o da cavidade 4-Poste guia 5-N\u00facleo da rosca 6-N\u00facleo 7-Cavidade da plataforma roscada 8-Suporte 9-Placa de fixa\u00e7\u00e3o da metade inferior 10-Haste manual 11-Tubo de transmiss\u00e3o 12-Pino 13-Parafuso<\/p>\n

\"Molde

(4)Escolha da linha de separa\u00e7\u00e3o de moldes pl\u00e1sticos<\/h2>\n

A linha de separa\u00e7\u00e3o escolhida deve ser correta para a estrutura do molde pl\u00e1stico.<\/p>\n

    \n
  1. \n

    A forma b\u00e1sica da linha de separa\u00e7\u00e3o<\/h4>\n<\/li>\n<\/ol>\n

    \"Forma

    M\u00e9todos expressivos de linha de separa\u00e7\u00e3o<\/p>\n

    \"V\u00e1rias

    V\u00e1rias formas de linha de separa\u00e7\u00e3o<\/p>\n

    2. Princ\u00edpio geral de escolha da linha de separa\u00e7\u00e3o<\/h4>\n

    a. A linha de separa\u00e7\u00e3o deve ser f\u00e1cil de desmoldar<\/p>\n

    b. A escolha da linha de separa\u00e7\u00e3o deve favorecer a separa\u00e7\u00e3o e a extra\u00e7\u00e3o do n\u00facleo<\/p>\n

    \"Influ\u00eancia

    c. A escolha de uma linha de separa\u00e7\u00e3o deve garantir a qualidade dos produtos pl\u00e1sticos.<\/p>\n

    \"Influ\u00eancia

    d. A escolha da linha de separa\u00e7\u00e3o deve favorecer a preven\u00e7\u00e3o de rebarbas<\/p>\n

    \"A

    e. A escolha da linha de separa\u00e7\u00e3o deve favorecer o escape<\/p>\n

    \"A

    f. A escolha da linha de separa\u00e7\u00e3o deve ser f\u00e1cil para o processo e a fabrica\u00e7\u00e3o do molde.<\/p>\n

     <\/p>\n

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

    (1)Definition The mould used to make plastic products is called a plastic mould. To produce plastic products with specific sizes, shapes, and properties, thermosetting plastic 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