{"id":546,"date":"2018-10-16T22:53:46","date_gmt":"2018-10-16T14:53:46","guid":{"rendered":"https:\/\/plasticmoldco.com\/?p=546"},"modified":"2018-10-20T01:48:51","modified_gmt":"2018-10-19T17:48:51","slug":"plastic-injection-molding-process","status":"publish","type":"post","link":"https:\/\/www.plasticmoldco.com\/fr\/2018\/10\/16\/processus-de-moulage-par-injection-de-plastique\/","title":{"rendered":"Processus de moulage par injection plastique"},"content":{"rendered":"

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Processus de moulage par injection plastique<\/h2>\n<\/div>\n<\/div>\n

nous sommes tr\u00e8s professionnels\u00a0entreprise de moulage par injection de plastique en chine<\/a>J'aimerais donc vous pr\u00e9senter le processus de moulage par injection de plastique.<\/p>\n

Tous ces mat\u00e9riaux r\u00e9sineux sont g\u00e9n\u00e9ralement utilis\u00e9s au d\u00e9part sous forme de granul\u00e9s de plastique. Les granul\u00e9s sont introduits dans l'une des \u00e9normes machines de moulage par injection, qui p\u00e8sent souvent pr\u00e8s de 25 tonnes. La machine chauffe le plastique jusqu'\u00e0 ce qu'il devienne liquide. Ce liquide est ensuite inject\u00e9 dans les moules d'injection par le biais d'injecteurs.<\/p>\n

Ces moules d'injection peuvent \u00eatre fabriqu\u00e9s dans presque toutes les formes et tailles. Pour simplifier, le moulage par injection consiste \u00e0 forcer du plastique fondu dans une cavit\u00e9 de moule. Une fois le plastique refroidi, la pi\u00e8ce peut \u00eatre \u00e9ject\u00e9e. Ce proc\u00e9d\u00e9 est utile lorsque les pi\u00e8ces sont trop complexes ou trop co\u00fbteuses \u00e0 usiner. Ce proc\u00e9d\u00e9 permet de fabriquer de nombreuses pi\u00e8ces en m\u00eame temps, \u00e0 partir du m\u00eame moule d'injection plastique.<\/p>\n

Le processus se d\u00e9roule normalement en six \u00e9tapes :<\/p>\n

1. Serrage : la machine d'injection se compose de trois parties. Le moule d'injection, la pince et l'unit\u00e9 d'injection. L'unit\u00e9 de fermeture maintient le moule \u00e0 une certaine pression, ce qui garantit l'uniformit\u00e9 des unit\u00e9s produites.<\/p>\n

Les moules sont normalement constitu\u00e9s de deux parties.<\/p>\n

2. Unit\u00e9 d'injection : les granul\u00e9s de plastique sont charg\u00e9s dans une tr\u00e9mie situ\u00e9e au sommet de l'unit\u00e9 d'injection. Les granul\u00e9s sont introduits dans le cylindre principal ; c'est l\u00e0 qu'ils sont chauff\u00e9s jusqu'\u00e0 ce qu'ils soient liqu\u00e9fi\u00e9s. \u00c0 l'int\u00e9rieur de l'unit\u00e9 d'injection, une vis tourne et m\u00e9lange le plastique. Une fois que le plastique liquide a atteint le niveau optimal pour ce produit, le processus d'injection commence. La pression et la vitesse sont contr\u00f4l\u00e9es par la vis ou parfois par un v\u00e9rin, selon le type de machine.<\/p>\n

3. Le remplissage : il s'agit d'une pause dans le processus pendant laquelle une certaine pression est appliqu\u00e9e pour s'assurer que toutes les cavit\u00e9s du moule ont \u00e9t\u00e9 compl\u00e8tement remplies. Cette \u00e9tape est tr\u00e8s importante dans le processus, car si le moule n'est pas correctement rempli, les unit\u00e9s seront mises au rebut.<\/p>\n

4. Refroidissement : cette partie du processus permet au moule de refroidir pendant la p\u00e9riode requise. S'il est effectu\u00e9 trop rapidement, les unit\u00e9s peuvent coller ou se d\u00e9former une fois sorties de la machine.<\/p>\n

5. Ouverture du moule : L'unit\u00e9 de fermeture est ouverte pour s\u00e9parer le moule. Les moules sont utilis\u00e9s \u00e0 maintes reprises ; ils constituent souvent la pi\u00e8ce la plus importante de l'ensemble du processus. L'outillage du moule peut \u00eatre tr\u00e8s co\u00fbteux.<\/p>\n

6. \u00c9jection : le produit fini est \u00e9ject\u00e9 de la machine \u00e0 injecter. Souvent, le produit fini continuera sur une ligne de production ou sera empil\u00e9 pour \u00eatre envoy\u00e9 sur une ligne de production en tant que pi\u00e8ces pour des produits plus importants, par exemple un volant de voiture.<\/p>\n

Les produits qui utilisent le moulage par injection sont utilis\u00e9s tous les jours par chacun d'entre nous. De nombreuses voitures ne seraient pas aussi abordables sans le moulage par injection, mais ce proc\u00e9d\u00e9 pr\u00e9sente certains inconv\u00e9nients. Les machines sont tr\u00e8s co\u00fbteuses et impliquent un investissement important, la conception des pi\u00e8ces doit tenir compte du processus de production et le processus n'est pas rentable pour les petites s\u00e9ries de produits.<\/p>\n

Toutefois, les inconv\u00e9nients sont compens\u00e9s par les avantages, \u00e0 savoir la vitesse \u00e0 laquelle les pi\u00e8ces peuvent \u00eatre fabriqu\u00e9es, les faibles co\u00fbts de main-d'\u0153uvre, le gaspillage minimal de mat\u00e9riaux et le fait que les pi\u00e8ces finies n'ont souvent plus besoin d'\u00eatre finies.<\/p>\n

Si vous \u00eates int\u00e9ress\u00e9 par nos services ou si vous avez besoin d'une assistance technique, n'h\u00e9sitez pas \u00e0 nous contacter. Nous pouvons \u00e9galement partager nos connaissances sur le moulage par injection de mati\u00e8res plastiques et vous proposer des solutions \u00e9conomiques.\u00a0moulage par injection de plastique\u00a0<\/a>solution.<\/p>\n

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\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div> Plastic injection molding process we are very professinoal\u00a0plastic injection molding company in china,So I would love to introduce you the process of plastic injection molding. All of this resin material started out generally as plastic pellets. The pellets are feed into one of the massive injection molding machines, these injection machines often weigh around […]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[11],"tags":[],"class_list":["post-546","post","type-post","status-publish","format-standard","hentry","category-china-mould"],"yoast_head":"\nPlastic injection molding process - Plastic Mold | China Mold Maker<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.plasticmoldco.com\/fr\/2018\/10\/16\/proceso-de-moldeo-por-inyeccion-de-plastico\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Plastic injection molding process - Plastic Mold | China Mold Maker\" \/>\n<meta property=\"og:description\" content=\"Plastic injection molding process we are very professinoal\u00a0plastic injection molding company in china,So I would love to introduce you the process of plastic injection molding. 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