{"id":1651,"date":"2022-04-13T13:35:40","date_gmt":"2022-04-13T05:35:40","guid":{"rendered":"https:\/\/www.symachining.com\/?p=1651"},"modified":"2022-04-13T13:35:40","modified_gmt":"2022-04-13T05:35:40","slug":"how-to-design-the-interference-fit-of-plastic-machining-part","status":"publish","type":"post","link":"https:\/\/www.symachining.com\/fr\/how-to-design-the-interference-fit-of-plastic-machining-part\/","title":{"rendered":"Comment concevoir l'ajustement serr\u00e9 d'une pi\u00e8ce d'usinage en plastique ?"},"content":{"rendered":"
\"plastic<\/a>\n
Pi\u00e8ce d'usinage en plastique<\/figcaption>\n<\/figure>\n\n\n\n

L'ajustement par interf\u00e9rence est une m\u00e9thode courante d'assemblage m\u00e9canique. La tol\u00e9rance de l'ajustement par interf\u00e9rence diff\u00e8re entre les pi\u00e8ces en plastique et les pi\u00e8ces en acier. Si l'ampleur de l'interf\u00e9rence est trop importante, les pi\u00e8ces en plastique se fissurent facilement sous l'effet de l'emmanchement.<\/p>\n\n\n\n

Expliquons quelques d\u00e9tails d'un cas r\u00e9el, qui s'est produit \u00e0 l'atelier d'usinage de pr\u00e9cision SYM.<\/p>\n\n\n\n

Nous r\u00e9alisons toujours les pi\u00e8ces usin\u00e9es selon le dessin du client.<\/p>\n\n\n\n

\"\"<\/a><\/figure>\n\n\n\n

Mat\u00e9riau : PVC
Il y a deux trous sur la surface lat\u00e9rale, pour le montage \u00e0 pression d'un goujon.
Taille du trou : 6,25 mm
Taille de la broche : 6,35 mm<\/p>\n\n\n\n

Il n'y a pas de tol\u00e9rance pr\u00e9cise pour ces deux trous. Nous respectons les tol\u00e9rances de +\/- 0,1 mm, et r\u00e9alisons le trou \u00e0 6,15-6,35 mm \u00e9galement, sauf indication contraire.<\/p>\n\n\n\n

La premi\u00e8re fois, nous avons perc\u00e9 des trous proches de la tol\u00e9rance inf\u00e9rieure, 6,15-6,25 mm. Le r\u00e9sultat du travail d'assemblage est que les pi\u00e8ces en plastique \u00e9taient fissur\u00e9es.<\/p>\n\n\n\n

\n
\"\"<\/a><\/figure>\n<\/div>\n\n\n\n

La deuxi\u00e8me fois, nous avons fait les trous pr\u00e8s de la distance de s\u00e9curit\u00e9 sup\u00e9rieure, de 6,3 \u00e0 6,35 mm. Le travail d'assemblage se d\u00e9roule sans probl\u00e8me.<\/p>\n\n\n\n

Par cons\u00e9quent, afin de r\u00e9duire les probl\u00e8mes d'usinage.<\/p>\n

Tout d'abord, lors de la conception des produits, nous devons marquer les dimensions avec une tol\u00e9rance serr\u00e9e pour les raccords \u00e0 la presse.<\/p>\n

D'autre part, le fabricant d'usinage doit \u00eatre tr\u00e8s professionnel.<\/p>\n

SYM Precision Machining, 23 ans d'exp\u00e9rience dans l'usinage de pr\u00e9cision. Nous pouvons toujours tirer des le\u00e7ons d'une vari\u00e9t\u00e9 de probl\u00e8mes diff\u00e9rents, de l'exp\u00e9rience acquise, de l'am\u00e9lioration continue, afin de fournir \u00e0 nos clients de meilleurs produits et services. solutions d'usinage de pr\u00e9cision<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

L'ajustement par interf\u00e9rence est une m\u00e9thode courante d'assemblage m\u00e9canique. La tol\u00e9rance de l'ajustement par interf\u00e9rence diff\u00e8re entre les pi\u00e8ces en plastique et les pi\u00e8ces en acier. Si l'ampleur de l'interf\u00e9rence est trop importante, les pi\u00e8ces en plastique risquent de se fissurer sous l'effet de l'emmanchement. Voici quelques d\u00e9tails d'un cas r\u00e9el qui s'est produit dans l'atelier d'usinage de pr\u00e9cision SYM. [...]<\/p>","protected":false},"author":2,"featured_media":1652,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[14],"tags":[],"class_list":["post-1651","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-machining-industry"],"acf":[],"yoast_head":"\nHow to design the interference fit of plastic machining part? - SYM Precision Machining Manufacturer China<\/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.symachining.com\/fr\/how-to-design-the-interference-fit-of-plastic-machining-part\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to design the interference fit of plastic machining part? - SYM Precision Machining Manufacturer China\" \/>\n<meta property=\"og:description\" content=\"Interference fit is a common way of mechanical connection, about the tolerance of interference fit, it is different from plastic machining part and steel parts. 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