{"id":1838,"date":"2024-04-22T14:46:13","date_gmt":"2024-04-22T14:46:13","guid":{"rendered":"https:\/\/machining-quote.com\/?page_id=1838"},"modified":"2024-06-03T01:17:07","modified_gmt":"2024-06-03T01:17:07","slug":"polypropylene-machining","status":"publish","type":"page","link":"https:\/\/machining-quote.com\/fr\/polypropylene-machining\/","title":{"rendered":"Usinage du polypropyl\u00e8ne"},"content":{"rendered":"<div class=\"wp-block-greenshift-blocks-row gspb_row gspb_row-id-gsbp-02dd762\" id=\"gspb_row-id-gsbp-02dd762\"><div class=\"gspb_row__content\"> \n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--6 gspb_col-id-gsbp-f4c8642\" id=\"gspb_col-id-gsbp-f4c8642\">\n<h1>Usinage sur mesure du polypropyl\u00e8ne (PP) pour des conceptions complexes<\/h1>\n\n\n\n<p>Utilisez nos services d'usinage du polypropyl\u00e8ne sur mesure pour r\u00e9pondre \u00e0 vos besoins de conception uniques. Le polypropyl\u00e8ne est r\u00e9put\u00e9 pour sa robustesse, sa r\u00e9sistance aux produits chimiques et sa faible absorption de l'humidit\u00e9, ce qui en fait un mat\u00e9riau id\u00e9al pour les pi\u00e8ces durables et l\u00e9g\u00e8res.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--6 gspb_col-id-gsbp-d73d2b6\" id=\"gspb_col-id-gsbp-d73d2b6\">\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/machining-quote.com\/wp-content\/uploads\/2024\/06\/Polypropylene-Machining.jpg\" alt=\"\" class=\"wp-image-3046 lazyload\" style=\"width:605px;height:auto\"\/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"1000\" src=\"https:\/\/machining-quote.com\/wp-content\/uploads\/2024\/06\/Polypropylene-Machining.jpg\" alt=\"\" class=\"wp-image-3046 lazyload\" style=\"width:605px;height:auto\" srcset=\"https:\/\/machining-quote.com\/wp-content\/uploads\/2024\/06\/Polypropylene-Machining.jpg 2000w, https:\/\/machining-quote.com\/wp-content\/uploads\/2024\/06\/Polypropylene-Machining-300x150.jpg 300w, https:\/\/machining-quote.com\/wp-content\/uploads\/2024\/06\/Polypropylene-Machining-1024x512.jpg 1024w, https:\/\/machining-quote.com\/wp-content\/uploads\/2024\/06\/Polypropylene-Machining-768x384.jpg 768w, https:\/\/machining-quote.com\/wp-content\/uploads\/2024\/06\/Polypropylene-Machining-1536x768.jpg 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/noscript><\/figure>\n<\/div>\n <\/div><\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-row gspb_row gspb_row-id-gsbp-0848002\" id=\"gspb_row-id-gsbp-0848002\"><div class=\"gspb_row__content\"> \n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--12 gspb_col-id-gsbp-76c9993\" id=\"gspb_col-id-gsbp-76c9993\">\n<h2 data-style-id=\"gsbp-91a5548\">Avantages et inconv\u00e9nients des pi\u00e8ces usin\u00e9es en polypropyl\u00e8ne<\/h2>\n\n\n\n<figure class=\"wp-block-table alignfull\"><table><thead><tr><th class=\"has-text-align-center\" data-align=\"center\"><strong>Avantages<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>Inconv\u00e9nients<\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>R\u00e9sistance chimique<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Point de ramollissement bas<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Tr\u00e8s r\u00e9sistants aux produits chimiques, ils conviennent au traitement chimique et aux r\u00e9cipients de laboratoire.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Son point de ramollissement est bas (environ 150\u00b0C), ce qui limite son utilisation dans les applications \u00e0 haute temp\u00e9rature.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Faible densit\u00e9<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Faible r\u00e9sistance aux UV<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Plus l\u00e9ger que de nombreux plastiques, il permet de r\u00e9duire le poids dans des applications telles que l'automobile et les appareils m\u00e9dicaux.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Sujette \u00e0 la d\u00e9gradation lorsqu'elle est expos\u00e9e \u00e0 la lumi\u00e8re UV, \u00e0 moins d'\u00eatre trait\u00e9e avec des stabilisateurs.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Faible absorption d'humidit\u00e9<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Difficult\u00e9s de peinture et de collage<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Absorbe tr\u00e8s peu d'eau, ce qui garantit la stabilit\u00e9 des performances dans les environnements humides.<\/td><td class=\"has-text-align-center\" data-align=\"center\">La surface non polaire et non r\u00e9active rend difficile la peinture ou le collage sans traitement sp\u00e9cial.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Excellente r\u00e9sistance \u00e0 la fatigue<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>R\u00e9sistance \u00e0 l'usure<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Convient aux applications de pliage r\u00e9p\u00e9t\u00e9es telles que les charni\u00e8res et les pi\u00e8ces \u00e0 encliqueter.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Il n'est pas aussi r\u00e9sistant \u00e0 l'usure que d'autres plastiques, ce qui limite son utilisation dans les environnements \u00e0 forte abrasion.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Rapport co\u00fbt-efficacit\u00e9<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Stabilit\u00e9 dimensionnelle<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">G\u00e9n\u00e9ralement moins cher que de nombreux plastiques techniques, id\u00e9al pour la production en masse.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Peut se d\u00e9former sous l'effet d'une contrainte m\u00e9canique ou d'un cycle thermique, ce qui affecte les applications de pr\u00e9cision.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"gspb_button_wrapper gspb_button-id-gsbp-5ca1985\" id=\"gspb_button-id-gsbp-5ca1985\"><a class=\"wp-block-greenshift-blocks-buttonbox gspb-buttonbox wp-element-button\" rel=\"noopener\"><span class=\"gspb-buttonbox-textwrap\"><span class=\"gspb-buttonbox-text\"><span class=\"gspb-buttonbox-title\">\u00c9valuation des co\u00fbts des pi\u00e8ces en polypropyl\u00e8ne CNC<\/span><\/span><\/span><\/a><\/div>\n<\/div>\n <\/div><\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-row gspb_row gspb_row-id-gsbp-7758cf7\" id=\"gspb_row-id-gsbp-7758cf7\"><div class=\"gspb_row__content\"> \n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--12 gspb_col-id-gsbp-438500b\" id=\"gspb_col-id-gsbp-438500b\">\n<h2 data-style-id=\"gsbp-807458b\">Pi\u00e8ces d'usinage CNC en polypropyl\u00e8ne et applications<\/h2>\n\n\n\n<p class=\"has-text-align-center\">Le polypropyl\u00e8ne est un thermoplastique polyvalent largement utilis\u00e9 dans l'usinage CNC pour produire diverses pi\u00e8ces en raison de ses propri\u00e9t\u00e9s favorables.<\/p>\n\n\n\n<div class=\"wp-block-greenshift-blocks-row gspb_row gspb_row-id-gsbp-bc6d861\" id=\"gspb_row-id-gsbp-bc6d861\"><div class=\"gspb_row__content\"> \n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--6 gspb_col-id-gsbp-ca669ae\" id=\"gspb_col-id-gsbp-ca669ae\">\n<div class=\"wp-block-greenshift-blocks-container gspb_container gspb_container-gsbp-4e34c79\" id=\"gspb_container-id-gsbp-4e34c79\"><div class=\"align wp-block-ilb-icon-list\" id='ilbIconList-1'\r\n  data-attributes='{&quot;cId&quot;:&quot;f40fab9b-4&quot;,&quot;isTitle&quot;:false,&quot;title&quot;:&quot;&lt;font style=\\&quot;vertical-align: inherit;\\&quot;&gt;&lt;font style=\\&quot;vertical-align: inherit;\\&quot;&gt;\\u5b9a\\u5236\\u6c7d\\u8f66\\u96f6\\u4ef6\\u548c\\u914d\\u4ef6&lt;\\\/font&gt;&lt;\\\/font&gt;&quot;,&quot;isDesc&quot;:false,&quot;desc&quot;:&quot;custom auto parts&quot;,&quot;lists&quot;:[{&quot;icon&quot;:{&quot;class&quot;:&quot;fa-solid fa-circle-check&quot;},&quot;text&quot;:&quot;Gears and Bearings: Due to its low friction and good wear resistance, polypropylene is used for creating gears and bearings that operate in environments where moisture resistance and chemical stability are required.&quot;,&quot;link&quot;:&quot;&quot;},{&quot;icon&quot;:{&quot;class&quot;:&quot;fa-solid fa-check-circle&quot;},&quot;text&quot;:&quot;Valves and Fittings: Its chemical resistance makes it ideal for valves and fittings used in chemical processing industries, pharmaceuticals, and food processing.&quot;,&quot;link&quot;:&quot;&quot;},{&quot;icon&quot;:{&quot;class&quot;:&quot;fa-solid fa-circle-check&quot;},&quot;text&quot;:&quot;Medical Components: Polypropylene is commonly used in the medical industry for surgical instruments, trays, containers, and components for medical devices because of its sterilizability and chemical resistance.&quot;,&quot;link&quot;:&quot;&quot;},{&quot;icon&quot;:{&quot;class&quot;:&quot;fa-solid fa-circle-check&quot;},&quot;text&quot;:&quot;Pump and Valve Bodies: The material\\u2019s resistance to cleaning agents and solvents makes it suitable for parts like pump bodies and valves in industrial cleaning equipment.&quot;,&quot;link&quot;:&quot;&quot;},{&quot;icon&quot;:{&quot;class&quot;:&quot;fa-solid fa-circle-check&quot;},&quot;text&quot;:&quot;Housings and Enclosures: Being lightweight and resistant to moisture, polypropylene is frequently chosen for housings and enclosures that protect electronic systems or are used in marine and outdoor applications.&quot;}],&quot;position&quot;:&quot;center&quot;,&quot;width&quot;:&quot;110%&quot;,&quot;background&quot;:{&quot;color&quot;:&quot;#0000&quot;,&quot;type&quot;:&quot;solid&quot;,&quot;gradient&quot;:&quot;linear-gradient(135deg, #fe6601, #fbb040)&quot;},&quot;padding&quot;:{&quot;vertical&quot;:&quot;25px&quot;,&quot;horizontal&quot;:&quot;25px&quot;},&quot;shadow&quot;:{&quot;blur&quot;:&quot;10px&quot;,&quot;color&quot;:&quot;var(--theme-palette-color-1, #ec8e58)&quot;},&quot;headerMargin&quot;:{&quot;side&quot;:4,&quot;bottom&quot;:&quot;&quot;,&quot;top&quot;:&quot;&quot;},&quot;titleColor&quot;:&quot;var(--theme-palette-color-3, #878686)&quot;,&quot;isHeaderSep&quot;:false,&quot;listIconSize&quot;:20,&quot;listIconColors&quot;:{&quot;color&quot;:&quot;#fff&quot;,&quot;bg&quot;:&quot;var(--theme-palette-color-1, #ec8e58)&quot;},&quot;listTextColor&quot;:&quot;var(--theme-palette-color-3, #1d1d1d)&quot;,&quot;align&quot;:&quot;&quot;,&quot;isListLinkInNewTab&quot;:false,&quot;alignment&quot;:&quot;center&quot;,&quot;border&quot;:[],&quot;titleTypo&quot;:{&quot;fontSize&quot;:{&quot;desktop&quot;:30,&quot;tablet&quot;:26,&quot;mobile&quot;:22},&quot;fontWeight&quot;:700,&quot;textTransform&quot;:&quot;uppercase&quot;},&quot;descTypo&quot;:{&quot;fontSize&quot;:{&quot;desktop&quot;:18,&quot;tablet&quot;:17,&quot;mobile&quot;:16},&quot;fontWeight&quot;:500},&quot;descColor&quot;:&quot;#828282&quot;,&quot;descriptionTypo&quot;:{&quot;fontSize&quot;:{&quot;desktop&quot;:15,&quot;tablet&quot;:15,&quot;mobile&quot;:15}},&quot;descriptionColor&quot;:&quot;#828282&quot;,&quot;themeOptions&quot;:{&quot;rightIconColor&quot;:&quot;#4527A4&quot;,&quot;isBadge&quot;:true,&quot;isUrlIcon&quot;:false,&quot;isButton&quot;:true,&quot;isMaxWidth&quot;:true},&quot;iconUploadButton&quot;:{&quot;setIconUpload&quot;:&quot;select&quot;},&quot;columns&quot;:{&quot;desktop&quot;:2,&quot;tablet&quot;:2,&quot;mobile&quot;:1},&quot;columnGap&quot;:15,&quot;rowGap&quot;:15,&quot;headerSep&quot;:{&quot;width&quot;:&quot;20%&quot;,&quot;height&quot;:&quot;2px&quot;,&quot;style&quot;:&quot;solid&quot;,&quot;color&quot;:&quot;#828282&quot;},&quot;uploadListIconSize&quot;:36,&quot;theme6Styles&quot;:{&quot;color&quot;:&quot;#fff&quot;,&quot;bg&quot;:&quot;#059669&quot;},&quot;singleIconColor&quot;:{&quot;color&quot;:&quot;#059669&quot;,&quot;animateColor&quot;:&quot;linear-gradient(135deg, #3b82f6, #8b5cf6)&quot;},&quot;listTextTypo&quot;:{&quot;fontSize&quot;:{&quot;desktop&quot;:18,&quot;tablet&quot;:15,&quot;mobile&quot;:15}},&quot;themes&quot;:{&quot;theme&quot;:&quot;default&quot;},&quot;featureTitle&quot;:&quot;Our Features&quot;,&quot;featureTypo&quot;:{&quot;fontSize&quot;:{&quot;desktop&quot;:30,&quot;tablet&quot;:26,&quot;mobile&quot;:22}},&quot;badgeStyles&quot;:{&quot;color&quot;:&quot;#fff&quot;,&quot;bg&quot;:&quot;#4527A4&quot;},&quot;badgeTextTypo&quot;:{&quot;fontSize&quot;:{&quot;desktop&quot;:14,&quot;tablet&quot;:12,&quot;mobile&quot;:10}},&quot;listItemsBgColor&quot;:{&quot;color&quot;:&quot;#0000&quot;},&quot;theme5Styles&quot;:{&quot;iconPulsColor&quot;:&quot;linear-gradient(135deg, #3b82f6, #8b5cf6)&quot;,&quot;iconBgBlur&quot;:&quot;linear-gradient(135deg, #3b82f6, #8b5cf6)&quot;}}'>\r\n<\/div><\/div>\n<\/div>\n <\/div><\/div>\n<\/div>\n <\/div><\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-row gspb_row gspb_row-id-gsbp-9369f39\" id=\"gspb_row-id-gsbp-9369f39\"><div class=\"gspb_row__content\"> \n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--12 gspb_col-id-gsbp-15fb4cc\" id=\"gspb_col-id-gsbp-15fb4cc\">\n<h2 data-style-id=\"gsbp-d8d5375\">Copolym\u00e8re PP et homopolym\u00e8re : Quelle est la diff\u00e9rence ?<\/h2>\n\n\n\n<p class=\"has-text-align-center\">Le polypropyl\u00e8ne (PP) est disponible sous plusieurs formes, les deux plus courantes \u00e9tant l'homopolym\u00e8re et le copolym\u00e8re. Comprendre les diff\u00e9rences entre ces types peut aider \u00e0 s\u00e9lectionner le bon mat\u00e9riau pour des applications sp\u00e9cifiques. Voici les principales diff\u00e9rences entre le PP homopolym\u00e8re et le PP copolym\u00e8re :<\/p>\n\n\n\n<figure class=\"wp-block-table alignfull\"><table><thead><tr><th class=\"has-text-align-center\" data-align=\"center\"><strong>Propri\u00e9t\u00e9\/Aspect<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>Homopolym\u00e8re PP<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>Copolym\u00e8re PP<\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Composition<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Polym\u00e9ris\u00e9 \u00e0 partir d'un seul monom\u00e8re, le propyl\u00e8ne.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Polym\u00e9ris\u00e9 \u00e0 partir de propyl\u00e8ne avec de l'\u00e9thyl\u00e8ne ou du but\u00e8ne.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Rigidit\u00e9<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Rigidit\u00e9 plus \u00e9lev\u00e9e, adapt\u00e9e aux applications rigides.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Rigidit\u00e9 plus faible, b\u00e9n\u00e9fique pour les applications flexibles.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>R\u00e9sistance \u00e0 la traction<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Plus grande r\u00e9sistance \u00e0 la traction, supporte une charge d'\u00e9longation plus importante.<\/td><td class=\"has-text-align-center\" data-align=\"center\">R\u00e9sistance \u00e0 la traction inf\u00e9rieure \u00e0 celle des homopolym\u00e8res.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>R\u00e9sistance aux chocs<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">R\u00e9sistance \u00e0 l'impact plus faible, en particulier \u00e0 basse temp\u00e9rature.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Meilleure r\u00e9sistance aux chocs, m\u00eame \u00e0 basse temp\u00e9rature.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>R\u00e9sistance \u00e0 la temp\u00e9rature<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Plus \u00e9lev\u00e9, convient aux applications \u00e0 haute temp\u00e9rature.<\/td><td class=\"has-text-align-center\" data-align=\"center\">L\u00e9g\u00e8rement inf\u00e9rieure, elle n'est pas optimale pour les temp\u00e9ratures tr\u00e8s \u00e9lev\u00e9es.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>R\u00e9sistance chimique<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Excellente, similaire aux copolym\u00e8res.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Excellent, adapt\u00e9 \u00e0 divers environnements chimiques.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>R\u00e9sistance \u00e0 la fissuration sous contrainte<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">R\u00e9sistance moindre \u00e0 la fissuration sous contrainte.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Meilleure r\u00e9sistance \u00e0 la fissuration sous contrainte.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Applications typiques<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Emballages alimentaires, pi\u00e8ces automobiles, r\u00e9cipients r\u00e9utilisables.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Charni\u00e8res pour l'habitat, pare-chocs pour l'automobile, composants m\u00e9dicaux.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"gspb_button_wrapper gspb_button-id-gsbp-28f966d\" id=\"gspb_button-id-gsbp-28f966d\"><a class=\"wp-block-greenshift-blocks-buttonbox gspb-buttonbox wp-element-button\" rel=\"noopener\"><span class=\"gspb-buttonbox-textwrap\"><span class=\"gspb-buttonbox-text\"><span class=\"gspb-buttonbox-title\">Parlez \u00e0 un ing\u00e9nieur en mat\u00e9riaux<\/span><\/span><\/span><\/a><\/div>\n<\/div>\n <\/div><\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-row gspb_row gspb_row-id-gsbp-2564938\" id=\"gspb_row-id-gsbp-2564938\"><div class=\"gspb_row__content\"> \n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--12 gspb_col-id-gsbp-a01e7af\" id=\"gspb_col-id-gsbp-a01e7af\">\n<h2 data-style-id=\"gsbp-a9285a2\">Propri\u00e9t\u00e9s physiques du plastique PP<\/h2>\n\n\n\n<p class=\"has-text-align-center\">Ces propri\u00e9t\u00e9s physiques indiquent que le PP homopolym\u00e8re est mieux adapt\u00e9 aux applications qui n\u00e9cessitent une r\u00e9sistance \u00e0 la temp\u00e9rature et une rigidit\u00e9 plus \u00e9lev\u00e9es, tandis que le PP copolym\u00e8re est plus appropri\u00e9 pour les applications o\u00f9 des temp\u00e9ratures plus basses et une plus grande r\u00e9sistance aux chocs sont essentielles.<\/p>\n\n\n\n<figure class=\"wp-block-table alignfull\"><table><thead><tr><th class=\"has-text-align-center\" data-align=\"center\"><strong>Propri\u00e9t\u00e9 physique<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>Homopolym\u00e8re PP<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>Copolym\u00e8re PP<\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Densit\u00e9 (g\/cm\u00b3)<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Environ 0,905<\/td><td class=\"has-text-align-center\" data-align=\"center\">Environ 0,900<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Point de fusion (\u00b0C)<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">160-165<\/td><td class=\"has-text-align-center\" data-align=\"center\">135-159<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>R\u00e9sistance \u00e0 la traction (MPa)<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">30-35<\/td><td class=\"has-text-align-center\" data-align=\"center\">25-30<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Module d'\u00e9lasticit\u00e9 (MPa)<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">1500-1600<\/td><td class=\"has-text-align-center\" data-align=\"center\">1200-1300<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>R\u00e9sistance aux chocs<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Plus faible, en particulier \u00e0 basse temp\u00e9rature<\/td><td class=\"has-text-align-center\" data-align=\"center\">Plus \u00e9lev\u00e9e, bonne t\u00e9nacit\u00e9 \u00e0 basse temp\u00e9rature<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Dilatation thermique (x 10^-6\/\u00b0C)<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">100-150<\/td><td class=\"has-text-align-center\" data-align=\"center\">100-150<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n <\/div><\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-row gspb_row gspb_row-id-gsbp-24edec9\" id=\"gspb_row-id-gsbp-24edec9\"><div class=\"gspb_row__content\"> \n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--12 gspb_col-id-gsbp-868b849\" id=\"gspb_col-id-gsbp-868b849\">\n<h2 data-style-id=\"gsbp-a3045d5\">Consid\u00e9rations cl\u00e9s pour l'usinage CNC du polypropyl\u00e8ne<\/h2>\n\n\n\n<p class=\"has-text-align-center\">Lors du tournage ou du fraisage CNC du polypropyl\u00e8ne, plusieurs \u00e9l\u00e9ments essentiels doivent \u00eatre pris en compte pour obtenir des r\u00e9sultats optimaux :<\/p>\n\n\n\n<div class=\"wp-block-greenshift-blocks-container gspb_container gspb_container-gsbp-0cbb95e\" id=\"gspb_container-id-gsbp-0cbb95e\">\n<div class=\"wp-block-greenshift-blocks-container gspb_container gspb_container-gsbp-85e7c97\" id=\"gspb_container-id-gsbp-85e7c97\">\n<div class=\"wp-block-greenshift-blocks-container gspb_container gspb_container-gsbp-fc516ef\" id=\"gspb_container-id-gsbp-fc516ef\">\n<div class=\"wp-block-greenshift-blocks-container gspb_container gspb_container-gsbp-8385c31\" id=\"gspb_container-id-gsbp-8385c31\">\n<div class=\"wp-block-greenshift-blocks-iconlist gspb_iconsList gspb_iconsList-id-gsbp-d1a6453\" id=\"gspb_iconsList-id-gsbp-d1a6453\"><div class=\"gspb_iconsList__item\" data-id=\"0\"><svg class=\"\" style=\"display:inline-block;vertical-align:middle\" width=\"18\" height=\"18\" viewbox=\"0 0 640 1024\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path style=\"fill:#565D66\" d=\"M592 320h-230.8l85.2-259.6c8-30.4-15-60.4-46.4-60.4h-288c-24 0-44.4 17.8-47.6 41.6l-64 480c-3.8 28.8 18.6 54.4 47.6 54.4h237.4l-92.2 389c-7.2 30.4 16 59 46.6 59 16.8 0 32.8-8.8 41.6-24l352-608c18.6-31.8-4.4-72-41.4-72z\"><\/path><\/svg><span class=\"gspb_iconsList__item__text\"><strong>Outillage<\/strong>: Des outils tranchants sont indispensables pour r\u00e9aliser des coupes nettes et \u00e9viter que le mat\u00e9riau ne fonde ou ne se d\u00e9forme.<\/span><\/div><div class=\"gspb_iconsList__item\" data-id=\"1\"><svg class=\"\" style=\"display:inline-block;vertical-align:middle\" width=\"18\" height=\"18\" viewbox=\"0 0 640 1024\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path style=\"fill:#565D66\" d=\"M592 320h-230.8l85.2-259.6c8-30.4-15-60.4-46.4-60.4h-288c-24 0-44.4 17.8-47.6 41.6l-64 480c-3.8 28.8 18.6 54.4 47.6 54.4h237.4l-92.2 389c-7.2 30.4 16 59 46.6 59 16.8 0 32.8-8.8 41.6-24l352-608c18.6-31.8-4.4-72-41.4-72z\"><\/path><\/svg><span class=\"gspb_iconsList__item__text\"><strong>Refroidissement<\/strong>: Le polypropyl\u00e8ne a un point de fusion bas ; il est donc important d'utiliser un minimum de chaleur pendant l'usinage ou d'employer des techniques de refroidissement appropri\u00e9es pour \u00e9viter les d\u00e9formations.<\/span><\/div><div class=\"gspb_iconsList__item\" data-id=\"2\"><svg class=\"\" style=\"display:inline-block;vertical-align:middle\" width=\"18\" height=\"18\" viewbox=\"0 0 640 1024\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path style=\"fill:#565D66\" d=\"M592 320h-230.8l85.2-259.6c8-30.4-15-60.4-46.4-60.4h-288c-24 0-44.4 17.8-47.6 41.6l-64 480c-3.8 28.8 18.6 54.4 47.6 54.4h237.4l-92.2 389c-7.2 30.4 16 59 46.6 59 16.8 0 32.8-8.8 41.6-24l352-608c18.6-31.8-4.4-72-41.4-72z\"><\/path><\/svg><span class=\"gspb_iconsList__item__text\"><strong>Vitesse d'avance et vitesse<\/strong>: Des ajustements de l'avance et de la vitesse de coupe sont n\u00e9cessaires pour s'adapter \u00e0 la nature souple et flexible du polypropyl\u00e8ne et \u00e9viter l'arrachement ou la d\u00e9formation du mat\u00e9riau.<\/span><\/div><div class=\"gspb_iconsList__item\" data-id=\"3\"><svg class=\"\" style=\"display:inline-block;vertical-align:middle\" width=\"18\" height=\"18\" viewbox=\"0 0 640 1024\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path style=\"fill:#565D66\" d=\"M592 320h-230.8l85.2-259.6c8-30.4-15-60.4-46.4-60.4h-288c-24 0-44.4 17.8-47.6 41.6l-64 480c-3.8 28.8 18.6 54.4 47.6 54.4h237.4l-92.2 389c-7.2 30.4 16 59 46.6 59 16.8 0 32.8-8.8 41.6-24l352-608c18.6-31.8-4.4-72-41.4-72z\"><\/path><\/svg><span class=\"gspb_iconsList__item__text\"><strong>Serrage<\/strong>: Un serrage solide est n\u00e9cessaire pour stabiliser le polypropyl\u00e8ne relativement souple, mais il faut veiller \u00e0 ne pas d\u00e9former la pi\u00e8ce.<\/span><\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"gspb_button_wrapper gspb_button-id-gsbp-9224cba\" id=\"gspb_button-id-gsbp-9224cba\"><a class=\"wp-block-greenshift-blocks-buttonbox gspb-buttonbox wp-element-button\" rel=\"noopener\"><span class=\"gspb-buttonbox-textwrap\"><span class=\"gspb-buttonbox-text\"><span class=\"gspb-buttonbox-title\">Devis CNC en polypropyl\u00e8ne<\/span><\/span><\/span><\/a><\/div>\n<\/div>\n <\/div><\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-row alignfull gspb_row gspb_row-id-gsbp-886c1949-45ce\" id=\"gspb_row-id-gsbp-886c1949-45ce\"><div class=\"gspb_row__content\"> \n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--12 gspb_col-id-gsbp-39eec4f6-47b8\" id=\"gspb_col-id-gsbp-39eec4f6-47b8\">\n<h2 id=\"gspb_heading-id-gsbp-019bfb22-4672\" class=\"gspb_heading gspb_heading-id-gsbp-019bfb22-4672\" data-aos=\"fade-up\" data-aos-delay=\"100\" data-aos-easing=\"ease\" data-aos-duration=\"700\">Post-traitement des pi\u00e8ces CNC en polypropyl\u00e8ne<\/h2>\n\n\n\n<div class=\"wp-block-greenshift-blocks-row gspb_row gspb_row-id-gsbp-6e3e699a-b4f1\" id=\"gspb_row-id-gsbp-6e3e699a-b4f1\"><div class=\"gspb_row__content\"> \n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--4 gspb_row__col--sm-12 gspb_col-id-gsbp-af12acce-2f65\" id=\"gspb_col-id-gsbp-af12acce-2f65\">\n<div class=\"wp-block-greenshift-blocks-container gspb_container gspb_container-gsbp-1c0436b\" id=\"gspb_container-id-gsbp-1c0436b\">\n<div class=\"wp-block-greenshift-blocks-iconlist gspb_iconsList gspb_iconsList-id-gsbp-d074dc0\" id=\"gspb_iconsList-id-gsbp-d074dc0\"><div class=\"gspb_iconsList__item\" data-id=\"0\"><svg class=\"\" style=\"display:inline-block;vertical-align:middle\" width=\"18\" height=\"18\" viewbox=\"0 0 1024 1024\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path style=\"fill:#565D66\" d=\"M871.696 166.932l-526.088 526.088-193.304-193.304c-9.372-9.372-24.568-9.372-33.942 0l-56.568 56.568c-9.372 9.372-9.372 24.568 0 33.942l266.842 266.842c9.372 9.372 24.568 9.372 33.942 0l599.626-599.626c9.372-9.372 9.372-24.568 0-33.942l-56.568-56.568c-9.372-9.372-24.568-9.372-33.94 0z\"><\/path><\/svg><span class=\"gspb_iconsList__item__text\"><strong>Polissage \u00e0 la flamme<\/strong> utilise une flamme soigneusement appliqu\u00e9e pour lisser et faire briller la surface, particuli\u00e8rement efficace sur les bords et les surfaces complexes.<\/span><\/div><div class=\"gspb_iconsList__item\" data-id=\"1\"><svg class=\"\" style=\"display:inline-block;vertical-align:middle\" width=\"18\" height=\"18\" viewbox=\"0 0 1024 1024\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path style=\"fill:#565D66\" d=\"M871.696 166.932l-526.088 526.088-193.304-193.304c-9.372-9.372-24.568-9.372-33.942 0l-56.568 56.568c-9.372 9.372-9.372 24.568 0 33.942l266.842 266.842c9.372 9.372 24.568 9.372 33.942 0l599.626-599.626c9.372-9.372 9.372-24.568 0-33.942l-56.568-56.568c-9.372-9.372-24.568-9.372-33.94 0z\"><\/path><\/svg><span class=\"gspb_iconsList__item__text\"><strong>Recuit<\/strong> soulage les contraintes internes et am\u00e9liore la stabilit\u00e9 dimensionnelle en chauffant les pi\u00e8ces juste en dessous de leur point de fusion, puis en les refroidissant lentement.<\/span><\/div><div class=\"gspb_iconsList__item\" data-id=\"2\"><svg class=\"\" style=\"display:inline-block;vertical-align:middle\" width=\"18\" height=\"18\" viewbox=\"0 0 1024 1024\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path style=\"fill:#565D66\" d=\"M871.696 166.932l-526.088 526.088-193.304-193.304c-9.372-9.372-24.568-9.372-33.942 0l-56.568 56.568c-9.372 9.372-9.372 24.568 0 33.942l266.842 266.842c9.372 9.372 24.568 9.372 33.942 0l599.626-599.626c9.372-9.372 9.372-24.568 0-33.942l-56.568-56.568c-9.372-9.372-24.568-9.372-33.94 0z\"><\/path><\/svg><span class=\"gspb_iconsList__item__text\"><strong>Am\u00e9lioration de la r\u00e9sistance chimique<\/strong> consiste \u00e0 appliquer des rev\u00eatements r\u00e9sistants aux produits chimiques afin d'accro\u00eetre la r\u00e9sistance des pi\u00e8ces aux produits chimiques agressifs.<\/span><\/div><div class=\"gspb_iconsList__item\" data-id=\"3\"><svg class=\"\" style=\"display:inline-block;vertical-align:middle\" width=\"18\" height=\"18\" viewbox=\"0 0 1024 1024\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path style=\"fill:#565D66\" d=\"M871.696 166.932l-526.088 526.088-193.304-193.304c-9.372-9.372-24.568-9.372-33.942 0l-56.568 56.568c-9.372 9.372-9.372 24.568 0 33.942l266.842 266.842c9.372 9.372 24.568 9.372 33.942 0l599.626-599.626c9.372-9.372 9.372-24.568 0-33.942l-56.568-56.568c-9.372-9.372-24.568-9.372-33.94 0z\"><\/path><\/svg><span class=\"gspb_iconsList__item__text\"><strong>Stabilisation aux UV<\/strong> prot\u00e8ge les pi\u00e8ces de la d\u00e9gradation due \u00e0 la lumi\u00e8re UV gr\u00e2ce \u00e0 l'ajout de stabilisateurs UV ou de rev\u00eatements r\u00e9sistants, ce qui am\u00e9liore la durabilit\u00e9 de l'utilisation en ext\u00e9rieur.<\/span><\/div><div class=\"gspb_iconsList__item\" data-id=\"4\"><svg class=\"\" style=\"display:inline-block;vertical-align:middle\" width=\"18\" height=\"18\" viewbox=\"0 0 1024 1024\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path style=\"fill:#565D66\" d=\"M871.696 166.932l-526.088 526.088-193.304-193.304c-9.372-9.372-24.568-9.372-33.942 0l-56.568 56.568c-9.372 9.372-9.372 24.568 0 33.942l266.842 266.842c9.372 9.372 24.568 9.372 33.942 0l599.626-599.626c9.372-9.372 9.372-24.568 0-33.942l-56.568-56.568c-9.372-9.372-24.568-9.372-33.94 0z\"><\/path><\/svg><span class=\"gspb_iconsList__item__text\"><strong>Peinture et rev\u00eatement<\/strong> am\u00e9liore l'aspect et prot\u00e8ge la surface gr\u00e2ce \u00e0 des appr\u00eats et des peintures sp\u00e9cialis\u00e9s con\u00e7us pour le polypropyl\u00e8ne.<\/span><\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--8 gspb_row__col--sm-12 gspb_col-id-gsbp-af95de22-ee1f\" id=\"gspb_col-id-gsbp-af95de22-ee1f\">\n<div class=\"wp-block-greenshift-blocks-container gspb_container gspb_container-gsbp-0c904dfb-af99\" id=\"gspb_container-id-gsbp-0c904dfb-af99\" data-aos=\"zoom-in-down\" data-aos-delay=\"300\" data-aos-easing=\"ease\" data-aos-duration=\"700\">\n<div style=\"height:400px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n <\/div><\/div>\n<\/div>\n <\/div><\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-accordion gs-accordion gspb_accordion-id-gsbp-57ad22a\" id=\"gspb_accordion-id-gsbp-57ad22a\" >\n<div class=\"wp-block-greenshift-blocks-accordionitem gs-accordion-item gspb_accordionitem-gsbp-ba68a22 gsopen\" id=\"gspb_accordionitem-gsbp-ba68a22\" itemscope><div id=\"gs-trigger-gsbp-57ad22a-0\" class=\"gs-accordion-item__title\" aria-expanded=\"true\" role=\"button\" tabindex=\"0\" aria-controls=\"gspb-accordion-item-content-gsbp-ba68a22\"><div class=\"gs-accordion-item__heading\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Le polypropyl\u00e8ne est-il difficile \u00e0 usiner ?<\/font><\/font><\/div><meta itemprop=\"name\" content=\"<font style=&quot;vertical-align: inherit;&quot;&gt;<font style=&quot;vertical-align: inherit;&quot;&gt;Is Polypropylene Hard to Machine?<\/font&gt;<\/font&gt;\"\/><span class=\"iconfortoggle\"><span class=\"gs-iconbefore\"><\/span><span class=\"gs-iconafter\"><\/span><\/span><\/div><div aria-labelledby=\"gs-trigger-gsbp-57ad22a-0\" class=\"gs-accordion-item__content\" itemscope id=\"gspb-accordion-item-content-gsbp-ba68a22\" aria-hidden=\"false\"><div class=\"gs-accordion-item__text\" itemprop=\"text\">\n<p>Le polypropyl\u00e8ne est facile \u00e0 usiner en raison de sa souplesse. Mais il faut surveiller la temp\u00e9rature pour \u00e9viter de le faire fondre. En outre, le polypropyl\u00e8ne peut produire des copeaux longs et filandreux qui peuvent n\u00e9cessiter un nettoyage fr\u00e9quent pour \u00e9viter de g\u00eaner les op\u00e9rations d'usinage en cours.<\/p>\n<\/div><\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-accordion gs-accordion gspb_accordion-id-gsbp-7773f1f\" id=\"gspb_accordion-id-gsbp-7773f1f\" >\n<div class=\"wp-block-greenshift-blocks-accordionitem gs-accordion-item gspb_accordionitem-gsbp-b07be2f gsclose\" id=\"gspb_accordionitem-gsbp-b07be2f\" itemscope><div id=\"gs-trigger-gsbp-7773f1f-0\" class=\"gs-accordion-item__title\" aria-expanded=\"false\" role=\"button\" tabindex=\"0\" aria-controls=\"gspb-accordion-item-content-gsbp-b07be2f\"><div class=\"gs-accordion-item__heading\">Peut-on usiner le polypropyl\u00e8ne sans utiliser de liquide de refroidissement ?<\/div><meta itemprop=\"name\" content=\"Can Polypropylene be Machined without Using Coolant?\"\/><span class=\"iconfortoggle\"><span class=\"gs-iconbefore\"><\/span><span class=\"gs-iconafter\"><\/span><\/span><\/div><div aria-labelledby=\"gs-trigger-gsbp-7773f1f-0\" class=\"gs-accordion-item__content\" itemscope id=\"gspb-accordion-item-content-gsbp-b07be2f\" aria-hidden=\"true\"><div class=\"gs-accordion-item__text\" itemprop=\"text\">\n<p>Oui, le polypropyl\u00e8ne est g\u00e9n\u00e9ralement usin\u00e9 sans liquide de refroidissement afin d'\u00e9viter les probl\u00e8mes li\u00e9s \u00e0 l'\u00e9limination des d\u00e9chets et \u00e0 la contamination des mat\u00e9riaux. Au lieu de cela, on peut utiliser de l'air comprim\u00e9 pour \u00e9liminer les copeaux et refroidir efficacement la zone de coupe.<\/p>\n<\/div><\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-accordion gs-accordion gspb_accordion-id-gsbp-68716ba\" id=\"gspb_accordion-id-gsbp-68716ba\" >\n<div class=\"wp-block-greenshift-blocks-accordionitem gs-accordion-item gspb_accordionitem-gsbp-f58c633 gsclose\" id=\"gspb_accordionitem-gsbp-f58c633\" itemscope><div id=\"gs-trigger-gsbp-68716ba-0\" class=\"gs-accordion-item__title\" aria-expanded=\"false\" role=\"button\" tabindex=\"0\" aria-controls=\"gspb-accordion-item-content-gsbp-f58c633\"><div class=\"gs-accordion-item__heading\">Comment le choix de l'outil affecte-t-il la qualit\u00e9 des pi\u00e8ces en polypropyl\u00e8ne usin\u00e9es par CNC ?<\/div><meta itemprop=\"name\" content=\"How does the Tool Choice Affect the Quality of CNC Machined Polypropylene Parts?\"\/><span class=\"iconfortoggle\"><span class=\"gs-iconbefore\"><\/span><span class=\"gs-iconafter\"><\/span><\/span><\/div><div aria-labelledby=\"gs-trigger-gsbp-68716ba-0\" class=\"gs-accordion-item__content\" itemscope id=\"gspb-accordion-item-content-gsbp-f58c633\" aria-hidden=\"true\"><div class=\"gs-accordion-item__text\" itemprop=\"text\">\n<p>Le choix de l'outil influe grandement sur la qualit\u00e9 de l'usinage. Les outils \u00e0 angle de coupe \u00e9lev\u00e9 et \u00e0 goujures polies sont pr\u00e9f\u00e9rables car ils coupent plus proprement, r\u00e9duisent la chaleur g\u00e9n\u00e9r\u00e9e pendant l'usinage et aident \u00e0 maintenir l'int\u00e9grit\u00e9 dimensionnelle de la pi\u00e8ce en polypropyl\u00e8ne.<\/p>\n<\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_gspb_post_css":"@keyframes stuckMoveDownOpacity{0%{transform:translateY(-15px);opacity:0}to{transform:translateY(0);opacity:1}}#gspb_row-id-gsbp-02dd762{justify-content:space-between;display:flex;flex-wrap:wrap;margin-top:0;margin-bottom:30px}#gspb_row-id-gsbp-02dd762>.gspb_row__content{display:flex;justify-content:space-between;margin:0 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