{"id":20169,"date":"2024-05-24T17:26:10","date_gmt":"2024-05-24T09:26:10","guid":{"rendered":"https:\/\/firstmold.com\/?p=20169"},"modified":"2025-08-11T15:51:01","modified_gmt":"2025-08-11T07:51:01","slug":"parts-connection","status":"publish","type":"post","link":"https:\/\/firstmold.com\/fr\/tips\/parts-connection\/","title":{"rendered":"11 Types de pi\u00e8ces en plastique M\u00e9thodes d'assemblage"},"content":{"rendered":"<p>Dans notre article sur <a href=\"https:\/\/firstmold.com\/fr\/guides\/fasteners\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>fixations<\/strong><\/a>Dans le chapitre pr\u00e9c\u00e9dent, nous avons bri\u00e8vement mentionn\u00e9 plusieurs techniques d'assemblage par fixation. Pour des raisons techniques ou structurelles, de nombreux produits ou composants en plastique peuvent \u00eatre assembl\u00e9s \u00e0 partir de pi\u00e8ces compos\u00e9es de mat\u00e9riaux et de fonctions diff\u00e9rents. Pour assembler deux pi\u00e8ces, il faut concevoir une connexion entre elles. L'objectif de la conception d'un assemblage est de cr\u00e9er la m\u00e9thode d'assemblage la plus appropri\u00e9e en fonction de diff\u00e9rents facteurs pour assembler et s\u00e9curiser les pi\u00e8ces ensemble.<\/p>\n\n\n\n<p>Les m\u00e9thodes d'assemblage des mati\u00e8res plastiques \u00e9tant une le\u00e7on importante pour les concepteurs de produits, cet article continuera d'explorer les m\u00e9thodes d'assemblage entre les pi\u00e8ces en plastique.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Common-parts-connection-methods.webp\" alt=\"M\u00e9thodes de raccordement des pi\u00e8ces courantes\" class=\"wp-image-31968\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Common-parts-connection-methods.webp 1200w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Common-parts-connection-methods-300x169.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Common-parts-connection-methods-1024x576.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Common-parts-connection-methods-768x432.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Common-parts-connection-methods-18x10.webp 18w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Common-parts-connection-methods-600x338.webp 600w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-connection-methods-for-plastic-parts\">M\u00e9thodes d'assemblage des pi\u00e8ces en plastique<\/h2>\n\n\n\n<p>Il existe de nombreuses fa\u00e7ons d'assembler des pi\u00e8ces en plastique. Elles peuvent \u00eatre grossi\u00e8rement divis\u00e9es en connexions d\u00e9tachables, connexions semi-d\u00e9tachables et connexions non d\u00e9tachables. Cette classification n'est pas tr\u00e8s pr\u00e9cise. Certaines m\u00e9thodes d'assemblage peuvent passer d'un type \u00e0 l'autre en cas de modification des param\u00e8tres structurels. Par exemple, si l'engagement du fermoir est trop fort, il peut devenir difficile ou impossible \u00e0 d\u00e9tacher. Certains adh\u00e9sifs peuvent \u00eatre \u00e9limin\u00e9s par chauffage. Par cons\u00e9quent, la classification suivante n'est donn\u00e9e qu'\u00e0 titre indicatif et ne doit pas \u00eatre consid\u00e9r\u00e9e comme une norme.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"2000\" height=\"1600\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Connection-Methods-For-Plastic-Parts.webp\" alt=\"M\u00e9thodes d&#039;assemblage des pi\u00e8ces en plastique\" class=\"wp-image-20197\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Connection-Methods-For-Plastic-Parts.webp 2000w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Connection-Methods-For-Plastic-Parts-300x240.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Connection-Methods-For-Plastic-Parts-1024x819.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Connection-Methods-For-Plastic-Parts-768x614.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Connection-Methods-For-Plastic-Parts-1536x1229.webp 1536w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Connection-Methods-For-Plastic-Parts-15x12.webp 15w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/><\/figure>\n\n\n\n<p>L'assemblage et la fixation des pi\u00e8ces en plastique peuvent utiliser une seule m\u00e9thode ou une combinaison de deux m\u00e9thodes ou plus, comme la combinaison fermoir + vis. Cependant, quelle que soit la m\u00e9thode de connexion, les principaux facteurs suivants doivent \u00eatre pris en compte avant de choisir la m\u00e9thode de connexion :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong><em>Performance de d\u00e9montage :<\/em><\/strong> La n\u00e9cessit\u00e9 d'un d\u00e9montage, la fr\u00e9quence du d\u00e9montage, la r\u00e9versibilit\u00e9 du d\u00e9montage et la commodit\u00e9 du d\u00e9montage.<\/li>\n\n\n\n<li><strong><em>Propri\u00e9t\u00e9s des pi\u00e8ces de connexion :<\/em><\/strong> Si la forme g\u00e9om\u00e9trique est acceptable, s'il y a suffisamment d'espace et si les propri\u00e9t\u00e9s du mat\u00e9riau r\u00e9pondent aux exigences.<\/li>\n\n\n\n<li><strong><em>Environnement d'exploitation :<\/em><\/strong> Charge (exigences en mati\u00e8re de r\u00e9sistance), temp\u00e9rature (exigences en mati\u00e8re de r\u00e9sistance \u00e0 la temp\u00e9rature) et milieu (exigences en mati\u00e8re d'\u00e9tanch\u00e9it\u00e9 \u00e0 la poussi\u00e8re et \u00e0 l'eau).<\/li>\n\n\n\n<li><strong><em>Facteurs \u00e9conomiques :<\/em><\/strong> Co\u00fbts des mat\u00e9riaux auxiliaires, co\u00fbts d'assemblage et co\u00fbts d'entretien.<\/li>\n\n\n\n<li><strong><em>Exigences esth\u00e9tiques :<\/em><\/strong> L'int\u00e9grit\u00e9 de l'aspect et des effets esth\u00e9tiques.<\/li>\n<\/ol>\n\n\n\n<p>Il est difficile, voire impossible, de satisfaire simultan\u00e9ment \u00e0 tous ces facteurs. C'est pourquoi il convient de choisir la m\u00e9thode d'assemblage appropri\u00e9e en fonction des exigences sp\u00e9cifiques du produit ou de la structure.<\/p>\n\n\n\n<p>Ensuite, nous pr\u00e9senterons diff\u00e9rentes m\u00e9thodes d'assemblage entre des pi\u00e8ces en plastique \u00e0 l'aide d'exemples. Par exemple, \u00e9tant donn\u00e9 les deux pi\u00e8ces suivantes (la taille et la structure sp\u00e9cifiques doivent \u00eatre con\u00e7ues en fonction du produit sp\u00e9cifique), quelles sont les m\u00e9thodes d'assemblage disponibles et existe-t-il des structures similaires dans la vie de tous les jours ?<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"1000\" height=\"331\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Connection-Diagram-of-Two-Parts.webp\" alt=\"Sch\u00e9ma de connexion de deux pi\u00e8ces\" class=\"wp-image-20171\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Connection-Diagram-of-Two-Parts.webp 1000w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Connection-Diagram-of-Two-Parts-300x99.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Connection-Diagram-of-Two-Parts-768x254.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Connection-Diagram-of-Two-Parts-18x6.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-snap-fits\">1. Snap Fits<\/h3>\n\n\n\n<p>Il existe de nombreux types d'ajustements rapides. Les paragraphes suivants pr\u00e9sentent les plus courants d'entre eux. <\/p>\n\n\n\n<p><em>Conseils : Si vous souhaitez en savoir plus, vous pouvez cliquer sur le lien \u201c<a href=\"https:\/\/firstmold.com\/fr\/tips\/snap-fits\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>guide d'embo\u00eetement<\/strong><\/a>\"pour en savoir plus.<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-a-cantilever-snap-fits\">a). Mousquetons en porte-\u00e0-faux<\/h4>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"459\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Types-of-Snap-Fits.webp\" alt=\"Types de raccords rapides\" class=\"wp-image-20172\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Types-of-Snap-Fits.webp 1000w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Types-of-Snap-Fits-300x138.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Types-of-Snap-Fits-768x353.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Types-of-Snap-Fits-18x8.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p><strong>1). Bras droit encliquetable :<\/strong> Cette m\u00e9thode est couramment utilis\u00e9e pour relier et fixer des \u00e9l\u00e9ments d\u00e9coratifs. Elle est facile et rapide \u00e0 installer, esth\u00e9tique, et son caract\u00e8re amovible d\u00e9pend de l'importance de l'engagement.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"733\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Straight-Arm-Snap-Fit.webp\" alt=\"Bras droit \u00e0 embo\u00eetement\" class=\"wp-image-20173\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Straight-Arm-Snap-Fit.webp 1600w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Straight-Arm-Snap-Fit-300x137.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Straight-Arm-Snap-Fit-1024x469.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Straight-Arm-Snap-Fit-768x352.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Straight-Arm-Snap-Fit-1536x704.webp 1536w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Straight-Arm-Snap-Fit-18x8.webp 18w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<p><strong>2). Snap Fit en forme de U :<\/strong> Couramment utilis\u00e9 dans les connexions des couvercles de batterie. La structure en U offre un espace pour la d\u00e9formation \u00e9lastique et permet de multiples assemblages et d\u00e9sassemblages.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"674\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/U-shaped-Snap-Fit.webp\" alt=\"Fermeture \u00e0 bouton-pression en forme de U\" class=\"wp-image-20174\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/U-shaped-Snap-Fit.webp 1600w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/U-shaped-Snap-Fit-300x126.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/U-shaped-Snap-Fit-1024x431.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/U-shaped-Snap-Fit-768x324.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/U-shaped-Snap-Fit-1536x647.webp 1536w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/U-shaped-Snap-Fit-18x8.webp 18w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<p>La structure d'encliquetage suivante est une variante de l'encliquetage en forme de U. L'encoche allong\u00e9e offre un espace de d\u00e9formation \u00e9lastique, permettant de multiples assemblages et d\u00e9sassemblages.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"806\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/a-variant-of-the-U-shaped-snap-fit.webp\" alt=\"une variante du bouton-pression en forme de U\" class=\"wp-image-20175\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/a-variant-of-the-U-shaped-snap-fit.webp 1600w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/a-variant-of-the-U-shaped-snap-fit-300x151.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/a-variant-of-the-U-shaped-snap-fit-1024x516.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/a-variant-of-the-U-shaped-snap-fit-768x387.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/a-variant-of-the-U-shaped-snap-fit-1536x774.webp 1536w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/a-variant-of-the-U-shaped-snap-fit-18x9.webp 18w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<p>La forme suivante est une autre forme de la pr\u00e9c\u00e9dente, l'espace de d\u00e9formation \u00e9tant transf\u00e9r\u00e9 \u00e0 l'int\u00e9rieur. Il cause beaucoup moins de dommages \u00e0 l'apparence que les deux types pr\u00e9c\u00e9dents. Toutefois, l'inconv\u00e9nient est que le couvercle de la batterie doit s'enrouler autour du bord inf\u00e9rieur du bo\u00eetier, ce qui le rend moins adapt\u00e9 \u00e0 l'installation de la batterie au milieu du produit.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"657\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/another-variant-of-U-shaped-snap-fit.webp\" alt=\"une autre variante de l&#039;encliquetage en U\" class=\"wp-image-20178\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/another-variant-of-U-shaped-snap-fit.webp 1600w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/another-variant-of-U-shaped-snap-fit-300x123.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/another-variant-of-U-shaped-snap-fit-1024x420.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/another-variant-of-U-shaped-snap-fit-768x315.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/another-variant-of-U-shaped-snap-fit-1536x631.webp 1536w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/another-variant-of-U-shaped-snap-fit-18x7.webp 18w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<p><strong>3). Snap Fit + Vis :<\/strong> Cette m\u00e9thode de connexion du couvercle de la pile est couramment utilis\u00e9e dans les jouets pour emp\u00eacher les enfants de d\u00e9monter la pile.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"669\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Snap-Fit-and-Screw-type-connection.webp\" alt=\"Connexion de type Snap Fit et \u00e0 vis\" class=\"wp-image-20179\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Snap-Fit-and-Screw-type-connection.webp 1600w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Snap-Fit-and-Screw-type-connection-300x125.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Snap-Fit-and-Screw-type-connection-1024x428.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Snap-Fit-and-Screw-type-connection-768x321.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Snap-Fit-and-Screw-type-connection-1536x642.webp 1536w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Snap-Fit-and-Screw-type-connection-18x8.webp 18w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<p><strong>4). Ajustement souple par pression :<\/strong> Atteint gr\u00e2ce \u00e0 <a href=\"https:\/\/firstmold.com\/fr\/services\/injection-molding\/two-shot-molding\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>moulage par injection bicolore<\/strong><\/a>. L'embo\u00eetement souple pr\u00e9sente une bonne d\u00e9formation \u00e9lastique et peut \u00eatre assembl\u00e9 et d\u00e9sassembl\u00e9 \u00e0 plusieurs reprises. La petite poign\u00e9e du fermoir n'affecte pas l'int\u00e9grit\u00e9 de l'apparence et est couramment utilis\u00e9e pour les couvertures anti-poussi\u00e8re sur les interfaces des produits \u00e9lectroniques et num\u00e9riques.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"683\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Soft-snap-fit.webp\" alt=\"Fermeture \u00e0 bouton-pression souple\" class=\"wp-image-20180\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Soft-snap-fit.webp 1600w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Soft-snap-fit-300x128.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Soft-snap-fit-1024x437.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Soft-snap-fit-768x328.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Soft-snap-fit-1536x656.webp 1536w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Soft-snap-fit-18x8.webp 18w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-b-annular-snap-fit\">b). Snap Fit annulaire<\/h4>\n\n\n\n<p>Cet embo\u00eetement n\u00e9cessite qu'une des parties soit une pi\u00e8ce d\u00e9formable, et la pi\u00e8ce d\u00e9formable doit de pr\u00e9f\u00e9rence \u00eatre faite d'un mat\u00e9riau ayant une bonne t\u00e9nacit\u00e9 pour \u00e9viter les fissures apr\u00e8s de multiples assemblages.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"886\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Annular-Snap-Fit.webp\" alt=\"Snap Fit annulaire\" class=\"wp-image-20181\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Annular-Snap-Fit.webp 1600w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Annular-Snap-Fit-300x166.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Annular-Snap-Fit-1024x567.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Annular-Snap-Fit-768x425.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Annular-Snap-Fit-1536x851.webp 1536w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Annular-Snap-Fit-18x10.webp 18w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<p>Il n'est pas n\u00e9cessaire que l'embo\u00eetement annulaire soit un cercle complet. Il doit \u00eatre con\u00e7u en fonction de la situation r\u00e9elle. Par exemple, le bouchon de bouteille ci-dessous comporte quatre boutons-pression int\u00e9rieurs r\u00e9guli\u00e8rement r\u00e9partis au lieu d'un cercle complet. La raison pour laquelle un cercle complet n'a pas \u00e9t\u00e9 con\u00e7u est probablement la facilit\u00e9 d'assemblage et une bonne prise en main. Si l'encliquetage n'est pas serr\u00e9, la longueur de l'encliquetage int\u00e9rieur peut \u00eatre augment\u00e9e en ajoutant de l'adh\u00e9sif pour une modification ult\u00e9rieure du moule.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"624\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/The-annular-snap-fit-does-not-need-to-be-a-complete-circle.webp\" alt=\"Il n&#039;est pas n\u00e9cessaire que l&#039;embo\u00eetement annulaire soit un cercle complet.\" class=\"wp-image-20182\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/The-annular-snap-fit-does-not-need-to-be-a-complete-circle.webp 1600w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/The-annular-snap-fit-does-not-need-to-be-a-complete-circle-300x117.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/The-annular-snap-fit-does-not-need-to-be-a-complete-circle-1024x399.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/The-annular-snap-fit-does-not-need-to-be-a-complete-circle-768x300.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/The-annular-snap-fit-does-not-need-to-be-a-complete-circle-1536x599.webp 1536w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/The-annular-snap-fit-does-not-need-to-be-a-complete-circle-18x7.webp 18w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-c-torsional-snap-fit\">c). Snap Fit en torsion<\/h4>\n\n\n\n<p>Cet embo\u00eetement fonctionne diff\u00e9remment des embo\u00eetements pr\u00e9c\u00e9dents. Il implique deux actions : d'abord, placer les deux pi\u00e8ces en position, puis les faire tourner pour obtenir l'effet d'encliquetage et de fixation.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"995\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Torsional-Snap-Fit.webp\" alt=\"Snap Fit en torsion\" class=\"wp-image-20183\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Torsional-Snap-Fit.webp 1600w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Torsional-Snap-Fit-300x187.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Torsional-Snap-Fit-1024x637.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Torsional-Snap-Fit-768x478.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Torsional-Snap-Fit-1536x955.webp 1536w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Torsional-Snap-Fit-18x12.webp 18w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-threaded-connection\">2. Raccord filet\u00e9<\/h3>\n\n\n\n<p>Utilis\u00e9 couramment dans les bouteilles de liquide ou les pipelines, tels que les bouteilles d'eau min\u00e9rale, les bouchons de bouteilles de boissons et les joints de pipelines. <\/p>\n\n\n\n<p>Conseils : Cliquez pour en savoir plus sur \"<a href=\"https:\/\/firstmold.com\/fr\/tips\/types-of-threads\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>les types de fils<\/strong><\/a>\u201c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-screw-connection\">3. Raccordement par vis<\/h3>\n\n\n\n<p>Il s'agit d'une m\u00e9thode tr\u00e8s courante, connue de la plupart des gens. <\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"536\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Screw-Connection-Types.webp\" alt=\"Types de raccords \u00e0 vis\" class=\"wp-image-20184\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Screw-Connection-Types.webp 1000w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Screw-Connection-Types-300x161.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Screw-Connection-Types-768x412.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Screw-Connection-Types-18x10.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-4-magnetic-connection\">4. Connexion magn\u00e9tique<\/h3>\n\n\n\n<p>G\u00e9n\u00e9ralement utilis\u00e9 dans les produits qui doivent \u00eatre d\u00e9mont\u00e9s fr\u00e9quemment. Bien que l'ajout d'un aimant augmente le co\u00fbt, une connexion magn\u00e9tique bien con\u00e7ue offre une excellente exp\u00e9rience \u00e0 l'utilisateur, est durable et ne nuit pas \u00e0 l'apparence.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1092\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Magnetic-Connection.webp\" alt=\"Connexion magn\u00e9tique\" class=\"wp-image-20185\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Magnetic-Connection.webp 1600w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Magnetic-Connection-300x205.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Magnetic-Connection-1024x699.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Magnetic-Connection-768x524.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Magnetic-Connection-1536x1048.webp 1536w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Magnetic-Connection-18x12.webp 18w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-5-hinge-parts-connection\">5. Raccordement des pi\u00e8ces de la charni\u00e8re<\/h3>\n\n\n\n<p>Il s'agit en particulier de charni\u00e8res int\u00e9gr\u00e9es en plastique fabriqu\u00e9es en polypropyl\u00e8ne (PP), connu pour sa qualit\u00e9 de \"plastique centuple\". L'ajout d'un support \u00e9lastique permet d'obtenir une pr\u00e9-tension pour les \u00e9tats ouvert et ferm\u00e9.<\/p>\n\n\n\n<p><em>Conseils : Cliquez sur le lien pour obtenir une compr\u00e9hension compl\u00e8te de \u201c<a href=\"https:\/\/firstmold.com\/fr\/guides\/pp-plastic\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Plastiques PP<\/strong><\/a>\".<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"736\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Living-Hinge-Connection.webp\" alt=\"Connexion de la charni\u00e8re vivante\" class=\"wp-image-20186\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Living-Hinge-Connection.webp 1600w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Living-Hinge-Connection-300x138.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Living-Hinge-Connection-1024x471.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Living-Hinge-Connection-768x353.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Living-Hinge-Connection-1536x707.webp 1536w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Living-Hinge-Connection-18x8.webp 18w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-6-press-fit-parts-connection\">6. Raccordement des pi\u00e8ces par embo\u00eetement<\/h3>\n\n\n\n<p>Se r\u00e9f\u00e8re principalement aux connexions \u00e0 ajustement serr\u00e9. Au cours de l'assemblage m\u00e9canique, de nombreuses pi\u00e8ces ont besoin d'un ajustement serr\u00e9 pour \u00e9viter la d\u00e9connexion ou transmettre un couple important, ce qui donne lieu \u00e0 la technologie de l'ajustement serr\u00e9. L'ajustement serr\u00e9 utilise l'\u00e9lasticit\u00e9 des mat\u00e9riaux pour dilater ou d\u00e9former le trou et s'adapter \u00e0 l'arbre (ou utiliser un arbre creux pour d\u00e9former l'arbre). Lorsque le trou reprend sa forme initiale, il serre fermement l'arbre, reliant ainsi les deux pi\u00e8ces. Dans les pi\u00e8ces en plastique, les raccords de blocs de construction utilisent souvent des raccords \u00e0 ajustement serr\u00e9.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"651\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Press-fit-Connection.webp\" alt=\"Raccordement par pression\" class=\"wp-image-20187\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Press-fit-Connection.webp 1600w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Press-fit-Connection-300x122.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Press-fit-Connection-1024x417.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Press-fit-Connection-768x312.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Press-fit-Connection-1536x625.webp 1536w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Press-fit-Connection-18x7.webp 18w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<p>D'autres exemples incluent divers bouchons en caoutchouc d'interface externe et des bouchons en caoutchouc \u00e0 vis.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-7-ultrasonic-welding\">7. Soudage par ultrasons<\/h3>\n\n\n\n<p>Une connexion non d\u00e9tachable est largement utilis\u00e9e dans les produits qui ne peuvent pas \u00eatre d\u00e9mont\u00e9s ou qui doivent \u00eatre scell\u00e9s, comme les adaptateurs d'alimentation. <\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"706\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Ultrasonic-Welding.webp\" alt=\"Soudage par ultrasons\" class=\"wp-image-20188\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Ultrasonic-Welding.webp 1600w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Ultrasonic-Welding-300x132.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Ultrasonic-Welding-1024x452.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Ultrasonic-Welding-768x339.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Ultrasonic-Welding-1536x678.webp 1536w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Ultrasonic-Welding-18x8.webp 18w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-8-riveting\">8. Rivetage<\/h3>\n\n\n\n<p>Le rivetage est \u00e9galement complexe et n\u00e9cessite de nombreuses connaissances. En fonction de la source d'\u00e9nergie, on distingue le rivetage \u00e0 ultrasons, le rivetage \u00e0 chaud et le rivetage \u00e0 air chaud. Il s'agit d'une connexion ind\u00e9montable, particuli\u00e8rement adapt\u00e9e \u00e0 la connexion et \u00e0 la fixation de pi\u00e8ces minces telles que les cartes de circuits imprim\u00e9s, les feuilles de m\u00e9tal et les boutons.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"381\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Riveting-for-parts-connection.webp\" alt=\"Rivetage pour l&#039;assemblage des pi\u00e8ces\" class=\"wp-image-20189\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Riveting-for-parts-connection.webp 1000w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Riveting-for-parts-connection-300x114.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Riveting-for-parts-connection-768x293.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Riveting-for-parts-connection-18x7.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-9-adhesive-parts-connection\">9. Raccordement des pi\u00e8ces adh\u00e9sives<\/h3>\n\n\n\n<p>D\u00e9signe l'utilisation d'une couche de m\u00e9dium (adh\u00e9sif) pour relier et fixer deux pi\u00e8ces, g\u00e9n\u00e9ralement difficiles ou impossibles \u00e0 d\u00e9monter.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-pressure-sensitive\">Sensible \u00e0 la pression : <\/h4>\n\n\n\n<p>Il s'agit principalement d'un ruban adh\u00e9sif sensible \u00e0 la pression. L'application d'une certaine pression permet d'obtenir un bon collage ; on utilise g\u00e9n\u00e9ralement le ruban adh\u00e9sif double face pour relier deux pi\u00e8ces plates !<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"543\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Pressure-sensitive-adhesive.webp\" alt=\"Adh\u00e9sif sensible \u00e0 la pression\" class=\"wp-image-20190\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Pressure-sensitive-adhesive.webp 1600w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Pressure-sensitive-adhesive-300x102.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Pressure-sensitive-adhesive-1024x348.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Pressure-sensitive-adhesive-768x261.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Pressure-sensitive-adhesive-1536x521.webp 1536w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Pressure-sensitive-adhesive-18x6.webp 18w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-room-temperature-curable-adhesives\">Adh\u00e9sifs durcissables \u00e0 temp\u00e9rature ambiante<\/h4>\n\n\n\n<p>Ces adh\u00e9sifs peuvent durcir \u00e0 temp\u00e9rature ambiante, comme le caoutchouc de silicone RTV et la colle jaune \u00e9lectronique, g\u00e9n\u00e9ralement utilis\u00e9s pour fixer les composants \u00e9lectroniques et \u00e9viter qu'ils ne se d\u00e9tachent.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"594\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Room-Temperature-Curable-Adhesives.webp\" alt=\"Adh\u00e9sifs durcissables \u00e0 temp\u00e9rature ambiante\" class=\"wp-image-20191\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Room-Temperature-Curable-Adhesives.webp 1600w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Room-Temperature-Curable-Adhesives-300x111.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Room-Temperature-Curable-Adhesives-1024x380.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Room-Temperature-Curable-Adhesives-768x285.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Room-Temperature-Curable-Adhesives-1536x570.webp 1536w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Room-Temperature-Curable-Adhesives-18x7.webp 18w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-thermosetting-adhesives\">Adh\u00e9sifs thermodurcissables<\/h4>\n\n\n\n<p>Ils sont couramment utilis\u00e9s pour l'encapsulation et la fixation de composants \u00e9lectroniques, tels que les encapsulants \u00e9poxy et la colle rouge.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-thermoplastic-adhesives\">Adh\u00e9sifs thermoplastiques<\/h4>\n\n\n\n<p>Solide \u00e0 temp\u00e9rature ambiante, elle doit \u00eatre chauff\u00e9e avant utilisation pour devenir un fluide visqueux, n\u00e9cessite un temps de pr\u00e9pressage et de durcissement apr\u00e8s utilisation. Les types les plus courants sont la colle thermofusible EVA et la colle thermofusible PUR. Diff\u00e9rences entre elles :<\/p>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"h-composition\">Composition :<\/h5>\n\n\n\n<p><span style=\"font-size: revert; color: initial;\">PUR est le polyur\u00e9thane, EVA est l'ac\u00e9tate d'\u00e9thyl\u00e8ne-vinyle.<\/span><\/p>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"h-reaction-mechanism\">M\u00e9canisme de r\u00e9action :<\/h5>\n\n\n\n<p><span style=\"font-size: revert; background-color: rgb(255, 255, 255); color: initial;\">Le PUR durcit sous l'effet de l'humidit\u00e9, une r\u00e9action irr\u00e9versible. Apr\u00e8s avoir \u00e9t\u00e9 chauff\u00e9 et coll\u00e9, il r\u00e9agit \u00e0 l'humidit\u00e9 de l'air et devient irr\u00e9versible (il ne fond pas lorsqu'il est r\u00e9chauff\u00e9 mais perd son pouvoir adh\u00e9sif, de sorte qu'il faut g\u00e9n\u00e9ralement le r\u00e9chauffer pour le d\u00e9monter). Cette r\u00e9action irr\u00e9versible permet d'am\u00e9liorer la r\u00e9sistance et les performances \u00e0 haute et basse temp\u00e9rature, avec une grande fiabilit\u00e9. Couramment utilis\u00e9 dans les produits \u00e9lectroniques et num\u00e9riques tels que les t\u00e9l\u00e9phones, les tablettes, les \u00e9couteurs et l'\u00e9lectronique automobile, pour fixer les \u00e9crans et les couvercles arri\u00e8re des smartphones \u00e0 cadre \u00e9troit et pour l'imperm\u00e9abilisation.<\/span><\/p>\n\n\n\n<p><span style=\"font-size: revert; background-color: rgb(255, 255, 255); color: initial;\">L'EVA se lie physiquement, se refroidit et se solidifie apr\u00e8s l'application. Le r\u00e9chauffement le refond, permettant une nouvelle liaison, ce qui le rend r\u00e9versible. Son pouvoir adh\u00e9sif est faible et son point de ramollissement est bas. Il ne r\u00e9siste pas aux temp\u00e9ratures \u00e9lev\u00e9es.<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-photocuring\">Photocomposition : <\/h4>\n\n\n\n<p>D\u00e9signe les adh\u00e9sifs qui durcissent sous l'effet de la lumi\u00e8re ultraviolette, tels que la colle UV, \u00e9galement connue sous le nom d'adh\u00e9sif durcissant aux UV ou de colle sans ombre. Il s'agit d'un adh\u00e9sif acrylique monocomposant, \u00e0 faible viscosit\u00e9, tr\u00e8s r\u00e9sistant, \u00e0 longue dur\u00e9e de conservation, sans solvant, \u00e0 durcissement rapide, d'une bonne transparence et d'une excellente r\u00e9sistance \u00e0 la chaleur et aux produits chimiques !<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1258\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Photocuring-Adhesives-For-Parts-Connection.webp\" alt=\"Adh\u00e9sifs photopolym\u00e9risables pour l&#039;assemblage de pi\u00e8ces\" class=\"wp-image-20192\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Photocuring-Adhesives-For-Parts-Connection.webp 1600w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Photocuring-Adhesives-For-Parts-Connection-300x236.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Photocuring-Adhesives-For-Parts-Connection-1024x805.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Photocuring-Adhesives-For-Parts-Connection-768x604.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Photocuring-Adhesives-For-Parts-Connection-1536x1208.webp 1536w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Photocuring-Adhesives-For-Parts-Connection-15x12.webp 15w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-water-based\">A base d'eau : <\/h4>\n\n\n\n<p>Par rapport aux adh\u00e9sifs \u00e0 base de solvant, les adh\u00e9sifs \u00e0 base d'eau utilisent l'eau comme solvant ou dispersant, rempla\u00e7ant ainsi les solvants organiques toxiques qui polluent l'environnement. Les adh\u00e9sifs actuels \u00e0 base d'eau ne sont pas exempts de solvant et peuvent contenir des compos\u00e9s organiques volatils limit\u00e9s comme auxiliaires pour contr\u00f4ler la viscosit\u00e9 ou l'\u00e9coulement. L'adh\u00e9sif \u00e0 base d'eau le plus r\u00e9pandu est la colle blanche ou la colle \u00e0 bois, couramment utilis\u00e9e dans la d\u00e9coration int\u00e9rieure. La p\u00e2te utilis\u00e9e pour coller les couplets pendant le Nouvel An chinois est \u00e9galement un adh\u00e9sif \u00e0 base d'eau, adapt\u00e9 au collage du papier. En raison de son inconv\u00e9nient, les d\u00e9veloppeurs ont par la suite cr\u00e9\u00e9 la colle solide, qui est particuli\u00e8rement adapt\u00e9e \u00e0 un usage bureautique.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"790\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Water-based-Adhesives-For-Parts-Connection.webp\" alt=\"Adh\u00e9sifs \u00e0 base d&#039;eau pour l&#039;assemblage de pi\u00e8ces\" class=\"wp-image-20193\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Water-based-Adhesives-For-Parts-Connection.webp 1600w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Water-based-Adhesives-For-Parts-Connection-300x148.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Water-based-Adhesives-For-Parts-Connection-1024x506.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Water-based-Adhesives-For-Parts-Connection-768x379.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Water-based-Adhesives-For-Parts-Connection-1536x758.webp 1536w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Water-based-Adhesives-For-Parts-Connection-18x9.webp 18w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-solvent-based\">A base de solvant : <\/h4>\n\n\n\n<p>D\u00e9signe les adh\u00e9sifs qui utilisent des solvants organiques (benz\u00e8ne, tolu\u00e8ne, etc.) comme solvant ou dispersant. En raison des substances nocives pour la sant\u00e9 humaine, telles que les compos\u00e9s organiques volatils, le benz\u00e8ne et le tolu\u00e8ne, ces adh\u00e9sifs ne sont pas respectueux de l'environnement. Les adh\u00e9sifs typiques \u00e0 base de solvant comprennent la colle universelle.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-instant-adhesive\">Adh\u00e9sif instantan\u00e9 : <\/h4>\n\n\n\n<p>Compos\u00e9 principalement d'\u03b1-cyanoacrylate, auquel sont ajout\u00e9s des tackifiants, des stabilisants, des durcisseurs et des inhibiteurs de polym\u00e9risation. Il s'agit d'un adh\u00e9sif monocomposant \u00e0 durcissement instantan\u00e9 qui durcit rapidement au contact des traces d'humidit\u00e9 dans l'air, collant fermement les pi\u00e8ces. <\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-two-part-adhesive\">Adh\u00e9sif en deux parties :<\/h4>\n\n\n\n<p>Constitu\u00e9 de deux liquides qui durcissent apr\u00e8s avoir \u00e9t\u00e9 m\u00e9lang\u00e9s, souvent appel\u00e9 colle AB. Les types les plus courants sont les suivants <a href=\"https:\/\/firstmold.com\/fr\/guides\/pmma-plastic\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong><em>acrylique<\/em><\/strong><\/a>Les colles AB, \u00e9poxy et polyur\u00e9thane. On l'appelle aussi colle forte car elle poss\u00e8de une force d'adh\u00e9rence \u00e9lev\u00e9e, comparable \u00e0 celle de la soudure.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-10-in-mold-injection-molding\">10. Moulage par injection dans le moule<\/h3>\n\n\n\n<p>C'est le moyen id\u00e9al pour relier deux pi\u00e8ces, en combinant diff\u00e9rents mat\u00e9riaux ou couleurs de plastique ou de plastique + m\u00e9tal en une seule, \u00e9liminant ainsi les \u00e9tapes d'assemblage ult\u00e9rieures. Toutefois, il s'agit d'une connexion non d\u00e9tachable dont les co\u00fbts de moulage sont \u00e9lev\u00e9s, de sorte que la m\u00e9thode de connexion doit \u00eatre choisie en fonction de la structure sp\u00e9cifique du produit. Il existe trois types principaux : le moulage par injection bicolore, <a href=\"https:\/\/firstmold.com\/fr\/services\/injection-molding\/overmolding\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>moulage par injection secondaire<\/strong><\/a>et le moulage par nano-injection. Pour plus de d\u00e9tails, voir l'introduction \u00e0 la structure des moules bicolores.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Moulage par injection bicolore<\/strong><\/li>\n\n\n\n<li><strong>Surmoulage<\/strong><\/li>\n\n\n\n<li><strong>Moulage par injection nanom\u00e9trique<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\">Conclusion<\/h2>\n\n\n\n<p>Chaque m\u00e9thode de connexion peut s'\u00e9tendre \u00e0 de nombreux contenus. Si vous le souhaitez, vous pouvez rechercher davantage d'informations pour approfondir votre compr\u00e9hension. Je fournirai \u00e9galement des introductions individuelles compl\u00e8tes \u00e0 certaines de ces m\u00e9thodes de connexion dans de futurs articles. Restez \u00e0 l'\u00e9coute.<\/p>","protected":false},"excerpt":{"rendered":"<p>Cet article fournit une introduction compl\u00e8te \u00e0 11 m\u00e9thodes d'assemblage de pi\u00e8ces en plastique couramment utilis\u00e9es, une bonne r\u00e9f\u00e9rence pour la conception de produits.<\/p>","protected":false},"author":5,"featured_media":31968,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[48],"tags":[54],"class_list":["post-20169","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tips","tag-product-design"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.3 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>11 Most Common Plastic Part Connection Methods<\/title>\n<meta name=\"description\" content=\"Master efficient parts connection with First Mold&#039;s expert tips. 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