{"id":11681,"date":"2023-05-15T14:31:10","date_gmt":"2023-05-15T06:31:10","guid":{"rendered":"https:\/\/firstmold.com\/?p=11681"},"modified":"2026-01-21T14:14:39","modified_gmt":"2026-01-21T06:14:39","slug":"mold-sprue","status":"publish","type":"post","link":"https:\/\/firstmold.com\/fr\/guides\/mold-sprue\/","title":{"rendered":"10 minutes pour comprendre la carotte de moulage et ses normes de conception"},"content":{"rendered":"<p>J'ai d\u00e9j\u00e0 parl\u00e9 du syst\u00e8me de coul\u00e9e et de la disposition des cavit\u00e9s des moules \u00e0 injection. Parmi elles, trois structures cruciales du moule sont la carotte, <a href=\"https:\/\/firstmold.com\/fr\/guides\/mold-runner\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>coureur<\/strong><\/a>et <a href=\"https:\/\/firstmold.com\/fr\/guides\/injection-molding-gate\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>porte<\/strong><\/a>. Je d\u00e9velopperai chacun d'entre eux dans trois articles distincts. Les connaissances concernant les carottes sont relativement limit\u00e9es ; cet article mettra l'accent sur les principes de conception des carottes.<\/p>\n\n\n\n<p>La compr\u00e9hension de la carotte est particuli\u00e8rement utile pour <a href=\"https:\/\/firstmold.com\/fr\/tips\/mold-design\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>concepteurs de moules<\/strong><\/a> et les professionnels du moulage et de l'injection. Les concepteurs de produits n'ont besoin que de connaissances de base.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-a-sprue\">Qu'est-ce qu'une carotte ?<\/h2>\n\n\n\n<p>Pour mieux comprendre ce concept, rappelons le syst\u00e8me de coul\u00e9e des moules : il s'agit du canal d'\u00e9coulement par lequel le plastique, inject\u00e9 par la buse de la machine d'injection, p\u00e9n\u00e8tre dans la cavit\u00e9. Il se compose de la carotte, des canaux, des portes et des puits froids. Sa fonction premi\u00e8re est d'assurer un remplissage harmonieux et ordonn\u00e9 de la cavit\u00e9 avec du plastique fondu, en transf\u00e9rant efficacement la pression d'injection pendant le remplissage et la solidification afin d'obtenir des pi\u00e8ces en plastique bien structur\u00e9es.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Feed-System-1024x682.webp\" alt=\"Syst\u00e8me d&#039;alimentation\" class=\"wp-image-18276\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Feed-System-1024x682.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Feed-System-300x200.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Feed-System-768x512.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Feed-System-18x12.webp 18w, https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Feed-System.webp 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Syst\u00e8me d'alimentation<\/figcaption><\/figure>\n\n\n\n<p>La carotte marque la partie initiale de l'entr\u00e9e du plastique dans l'ensemble du syst\u00e8me de coul\u00e9e. Elle s'\u00e9tend du point de contact avec la buse du moule jusqu'aux canaux de coul\u00e9e. C'est dans cette section que le plastique en fusion s'\u00e9coule pour la premi\u00e8re fois apr\u00e8s avoir p\u00e9n\u00e9tr\u00e9 dans le moule.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-design-principles-of-the-mold-sprue\">Principes de conception de la carotte de moulage<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-various-designs-of-sprues\">Diff\u00e9rents mod\u00e8les de carottes<\/h3>\n\n\n\n<p>Les carottes se pr\u00e9sentent sous plusieurs formes, notamment verticales, \u00e0 simple ou double inclinaison.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-design-of-vertical-sprues\">Conception des carottes verticales :<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le diam\u00e8tre \u00e0 l'extr\u00e9mit\u00e9 la plus petite (d) est la taille, g\u00e9n\u00e9ralement 0,25 mm de plus que le diam\u00e8tre de la buse.<\/li>\n\n\n\n<li>La longueur (L) d\u00e9pend de la structure du moule et ne d\u00e9passe g\u00e9n\u00e9ralement pas 150 mm.<\/li>\n\n\n\n<li>L'angle de conicit\u00e9 (a) est g\u00e9n\u00e9ralement compris entre 2\u00b0 et 4\u00b0.<\/li>\n\n\n\n<li>D &gt; D1 + (1~2mm)<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"1000\" height=\"700\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Vertical-Sprue-design.webp\" alt=\"Conception de la carotte verticale\" class=\"wp-image-18275\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Vertical-Sprue-design.webp 1000w, https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Vertical-Sprue-design-300x210.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Vertical-Sprue-design-768x538.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Vertical-Sprue-design-18x12.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Grains verticaux<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-design-of-single-tilt-sprues\">Conception de carottes \u00e0 bascule unique :<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L'angle d'inclinaison (a) d\u00e9pend des propri\u00e9t\u00e9s du plastique ; pour certains plastiques, il peut atteindre 30\u00b0.<\/li>\n\n\n\n<li>Pour d'autres, elle peut aller jusqu'\u00e0 20\u00b0, avec un contr\u00f4le de 10\u00b0~20\u00b0 bas\u00e9 sur l'exp\u00e9rience de la conception.<\/li>\n\n\n\n<li>Les autres param\u00e8tres de conception sont similaires \u00e0 ceux des carottes verticales.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"1000\" height=\"700\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Design-of-Single-Tilt-Sprue.webp\" alt=\"Conception d&#039;une carotte basculante unique\" class=\"wp-image-18274\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Design-of-Single-Tilt-Sprue.webp 1000w, https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Design-of-Single-Tilt-Sprue-300x210.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Design-of-Single-Tilt-Sprue-768x538.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Design-of-Single-Tilt-Sprue-18x12.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Grappe \u00e0 bascule unique<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-design-of-double-tilt-sprues\">Conception de carottes \u00e0 double bascule :<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Caract\u00e9ris\u00e9 par un large espace d'\u00e9coulement du plastique, remplissant rapidement les grandes cavit\u00e9s et simplifiant la structure du moule.<\/li>\n\n\n\n<li>Les ar\u00eates vives \u00e0 la jonction des deux carottes facilitent l'ouverture du moule.<\/li>\n\n\n\n<li>Les autres param\u00e8tres de conception sont les m\u00eames que pour les carottes \u00e0 simple basculement.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"700\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Design-of-Double-Tilt-Sprue.webp\" alt=\"Conception d&#039;une carotte \u00e0 double bascule\" class=\"wp-image-18273\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Design-of-Double-Tilt-Sprue.webp 1000w, https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Design-of-Double-Tilt-Sprue-300x210.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Design-of-Double-Tilt-Sprue-768x538.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Design-of-Double-Tilt-Sprue-18x12.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Grappe \u00e0 double bascule<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-shape-of-the-sprue\">Forme de la carotte<\/h3>\n\n\n\n<p>Pour faciliter l'extraction du mat\u00e9riau solidifi\u00e9 de la carotte, celle-ci est g\u00e9n\u00e9ralement con\u00e7ue de mani\u00e8re conique avec un angle de conicit\u00e9 \u03b1 compris entre 2\u00b0 et 4\u00b0. Pour les mati\u00e8res plastiques peu fluides, \u03b1 peut \u00eatre de 6\u00b0 \u00e0 10\u00b0, avec une rugosit\u00e9 de surface de la paroi interne g\u00e9n\u00e9ralement autour de Ra 0,8 \u03bcm. Le diam\u00e8tre d'entr\u00e9e est g\u00e9n\u00e9ralement compris entre 4 et 8 mm. Si l'\u00e9coulement de la mati\u00e8re fondue est bon et que le produit est petit, nous pr\u00e9f\u00e9rons un diam\u00e8tre plus petit ; dans le cas contraire, il vaut mieux choisir un diam\u00e8tre plus grand.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"700\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Shape-of-the-Sprue.webp\" alt=\"Forme de la carotte\" class=\"wp-image-18265\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Shape-of-the-Sprue.webp 1000w, https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Shape-of-the-Sprue-300x210.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Shape-of-the-Sprue-768x538.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Shape-of-the-Sprue-18x12.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Forme de la carotte<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-table aligncenter\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\" colspan=\"15\"><strong>Le diam\u00e8tre de l'entr\u00e9e et de la sortie de la tige de coul\u00e9e<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Volume d'injection de la machine de moulage par injection\/g<\/td><td class=\"has-text-align-center\" data-align=\"center\">10<\/td><td class=\"has-text-align-center\" data-align=\"center\">10<\/td><td class=\"has-text-align-center\" data-align=\"center\">30<\/td><td class=\"has-text-align-center\" data-align=\"center\">30<\/td><td class=\"has-text-align-center\" data-align=\"center\">60<\/td><td class=\"has-text-align-center\" data-align=\"center\">60<\/td><td class=\"has-text-align-center\" data-align=\"center\">125<\/td><td class=\"has-text-align-center\" data-align=\"center\">125<\/td><td class=\"has-text-align-center\" data-align=\"center\">250<\/td><td class=\"has-text-align-center\" data-align=\"center\">250<\/td><td class=\"has-text-align-center\" data-align=\"center\">500<\/td><td class=\"has-text-align-center\" data-align=\"center\">500<\/td><td class=\"has-text-align-center\" data-align=\"center\">1000<\/td><td class=\"has-text-align-center\" data-align=\"center\">1000<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Le diam\u00e8tre de l'entr\u00e9e et de la sortie de la tige de coul\u00e9e<\/td><td class=\"has-text-align-center\" data-align=\"center\">D1<\/td><td class=\"has-text-align-center\" data-align=\"center\">D2<\/td><td class=\"has-text-align-center\" data-align=\"center\">D1<\/td><td class=\"has-text-align-center\" data-align=\"center\">D2<\/td><td class=\"has-text-align-center\" data-align=\"center\">D1<\/td><td class=\"has-text-align-center\" data-align=\"center\">D2<\/td><td class=\"has-text-align-center\" data-align=\"center\">D1<\/td><td class=\"has-text-align-center\" data-align=\"center\">D2<\/td><td class=\"has-text-align-center\" data-align=\"center\">D1<\/td><td class=\"has-text-align-center\" data-align=\"center\">D2<\/td><td class=\"has-text-align-center\" data-align=\"center\">D1<\/td><td class=\"has-text-align-center\" data-align=\"center\">D2<\/td><td class=\"has-text-align-center\" data-align=\"center\">D1<\/td><td class=\"has-text-align-center\" data-align=\"center\">D2<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">PE, PS\/mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">3<\/td><td class=\"has-text-align-center\" data-align=\"center\">4.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">3.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">5<\/td><td class=\"has-text-align-center\" data-align=\"center\">4.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">6<\/td><td class=\"has-text-align-center\" data-align=\"center\">4.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">6<\/td><td class=\"has-text-align-center\" data-align=\"center\">4.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">6.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">5.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">7.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">5.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">8.5<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">ABS, AS\/mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">3<\/td><td class=\"has-text-align-center\" data-align=\"center\">4.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">3.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">5<\/td><td class=\"has-text-align-center\" data-align=\"center\">4.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">6<\/td><td class=\"has-text-align-center\" data-align=\"center\">4.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">6.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">4.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">7<\/td><td class=\"has-text-align-center\" data-align=\"center\">5.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">8<\/td><td class=\"has-text-align-center\" data-align=\"center\">5.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">8.5<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">PSU, PC\/mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">3.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">5<\/td><td class=\"has-text-align-center\" data-align=\"center\">4<\/td><td class=\"has-text-align-center\" data-align=\"center\">5.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">5<\/td><td class=\"has-text-align-center\" data-align=\"center\">6.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">5<\/td><td class=\"has-text-align-center\" data-align=\"center\">7<\/td><td class=\"has-text-align-center\" data-align=\"center\">5<\/td><td class=\"has-text-align-center\" data-align=\"center\">7.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">6<\/td><td class=\"has-text-align-center\" data-align=\"center\">8.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">6<\/td><td class=\"has-text-align-center\" data-align=\"center\">9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-coordination-between-machine-nozzle-and-sprue-bushing\">Coordination entre la buse de la machine et le manchon de la carotte<\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"700\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Coordination-Between-Machine-Nozzle-and-Sprue-Bushing.webp\" alt=\"Coordination entre la buse de la machine et le manchon de la carotte\" class=\"wp-image-18272\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Coordination-Between-Machine-Nozzle-and-Sprue-Bushing.webp 1000w, https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Coordination-Between-Machine-Nozzle-and-Sprue-Bushing-300x210.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Coordination-Between-Machine-Nozzle-and-Sprue-Bushing-768x538.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2023\/05\/Coordination-Between-Machine-Nozzle-and-Sprue-Bushing-18x12.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Coordination entre la buse de la machine et le manchon de la carotte<\/figcaption><\/figure>\n\n\n\n<p>La SR sph\u00e9rique de la bague de carotte du moule doit \u00eatre sup\u00e9rieure de 1 \u00e0 2 mm \u00e0 la SR de la buse de la machine. Vous pouvez v\u00e9rifier la RS de la buse de la machine par rapport \u00e0 ses sp\u00e9cifications.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Tonnage des machines de moulage par injection<\/td><td class=\"has-text-align-center\" data-align=\"center\">&lt;130t<\/td><td class=\"has-text-align-center\" data-align=\"center\">&lt;350t<\/td><td class=\"has-text-align-center\" data-align=\"center\">&gt;350t<\/td><\/tr><tr><td>Arc de la buse<\/td><td class=\"has-text-align-center\" data-align=\"center\" colspan=\"3\">V\u00e9rifier les sp\u00e9cifications de la machine de moulage par injection<\/td><\/tr><tr><td>Douille de la carotte<\/td><td class=\"has-text-align-center\" data-align=\"center\">12<\/td><td class=\"has-text-align-center\" data-align=\"center\">14<\/td><td class=\"has-text-align-center\" data-align=\"center\">23<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Note : Pour les <a href=\"https:\/\/firstmold.com\/fr\/hot-runner-mold-making\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>moules \u00e0 canaux chauds<\/strong><\/a> ou des buses allong\u00e9es, nous devons nous assurer de la conformit\u00e9 \u00e0 ces r\u00e9glementations avant l'achat.<\/p>\n\n\n\n<p>Lors de la conception du moule, v\u00e9rifiez la longueur de la buse de la machine qui peut s'\u00e9tendre dans le moule. Tout besoin d'extension des buses doit \u00eatre pris en compte \u00e0 l'avance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-determining-the-sprue-bushing-hole-diameter\">D\u00e9termination du diam\u00e8tre du trou de la douille de la carotte<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Tonnage des machines de moulage par injection<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u226460t<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2264130t<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2264220t<\/td><td class=\"has-text-align-center\" data-align=\"center\">350t<\/td><td class=\"has-text-align-center\" data-align=\"center\">450t<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2265550t<\/td><\/tr><tr><td>ABS, HI-PS, POM, PE, PP, PA<\/td><td class=\"has-text-align-center\" data-align=\"center\">2.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">3<\/td><td class=\"has-text-align-center\" data-align=\"center\">3.5<\/td><td class=\"has-text-align-center\" data-align=\"center\" colspan=\"2\">4.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">5.5<\/td><\/tr><tr><td>PC, PPS, PPE<\/td><td class=\"has-text-align-center\" data-align=\"center\">3<\/td><td class=\"has-text-align-center\" data-align=\"center\">3.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">4<\/td><td class=\"has-text-align-center\" data-align=\"center\" colspan=\"2\">5<\/td><td class=\"has-text-align-center\" data-align=\"center\">6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>La valeur de D pour la bague de carotte doit \u00eatre sup\u00e9rieure de 0,5 mm \u00e0 la valeur de D de la buse de la machine.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-measures-for-shortening-the-sprue\">Mesures pour raccourcir la carotte :<\/h3>\n\n\n\n<p>(1) Dans les moules \u00e0 deux plaques, la bague de carotte doit \u00eatre encastr\u00e9e dans la plaque A (sauf exigences particuli\u00e8res du client).<\/p>\n\n\n\n<p>(2) Pour les structures de moules \u00e0 trois plaques, si la longueur de la carotte d\u00e9passe 25 mm (25 mm inclus), il est pr\u00e9f\u00e9rable d'utiliser une douille de carotte plus grande.<\/p>\n\n\n\n<p>(3) Pour les produits pr\u00e9sentant un aspect et d'autres exigences particuli\u00e8res, il convient d'utiliser des canaux chauds.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\">Conclusion<\/h2>\n\n\n\n<p>La carotte et le canal de coul\u00e9e sont des structures relativement simples dans le syst\u00e8me d'alimentation. Le respect des directives de conception ci-dessus devrait permettre d'\u00e9viter tout probl\u00e8me. Si vous rencontrez des probl\u00e8mes dans la conception des moules, n'h\u00e9sitez pas \u00e0 laisser un commentaire dans la section ci-dessous. Dans le prochain article, nous aborderons la question des canaux de coul\u00e9e.<\/p>","protected":false},"excerpt":{"rendered":"<p>Comprendre ce qu'est une carotte dans un moule d'injection plastique et concevoir un moule efficace pour la carotte dans le syst\u00e8me d'alimentation.<\/p>","protected":false},"author":5,"featured_media":11684,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[47],"tags":[60],"class_list":["post-11681","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides","tag-injection-mold-component"],"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>10 Minutes To Understand Mold Sprue And Its Design Principle<\/title>\n<meta name=\"description\" content=\"Gain 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