{"id":1949,"date":"2024-10-14T23:49:50","date_gmt":"2024-10-14T15:49:50","guid":{"rendered":"https:\/\/plas.co\/?p=1949"},"modified":"2024-10-15T00:07:20","modified_gmt":"2024-10-14T16:07:20","slug":"tpe-ust-kaliplama","status":"publish","type":"post","link":"https:\/\/plas.co\/tr\/tpe-ust-kaliplama\/","title":{"rendered":"TPE \u00fcst kal\u0131plama"},"content":{"rendered":"<p class=\"MsoNormal\"><span lang=\"EN-US\">\u015eimdi termoplastik elastomerleri (TPE'ler) \u00fcst kal\u0131plamaya ba\u015flaman\u0131n tam zaman\u0131. TPE'ler geleneksel olarak kau\u00e7u\u011fun yerini almak i\u00e7in kullan\u0131lm\u0131\u015ft\u0131r, ancak yeni t\u00fcketici pazar\u0131 e\u011filimleri \u00fcst kal\u0131plama fikrini i\u015f d\u00fcnyas\u0131nda bir ger\u00e7ek haline getirmi\u015ftir. T\u00fcketici pazar\u0131ndaki talep ve e\u011filimler, daha iyi ergonomik his ve dokunu\u015f, kavranabilirlik, g\u00f6r\u00fcn\u00fcm, darbe korumas\u0131, titre\u015fim ayr\u0131m\u0131 ve yal\u0131t\u0131m i\u00e7in artmaktad\u0131r. T\u00fcketici \u00fcr\u00fcnleri tasar\u0131mc\u0131lar\u0131, iyi g\u00f6r\u00fcnen ve iyi hissettiren ve zorlu son kullan\u0131m uygulamalar\u0131nda iyi \u00e7al\u0131\u015fan \u00e7\u00f6z\u00fcmler \u00fcreterek malzeme \u00fcreticilerinin kar\u015f\u0131lamas\u0131 gereken standard\u0131 belirliyor.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">Bu makale, genel anlamda TPE \u00fcst kal\u0131plama teknolojisinden ve bu her zaman ye\u015fil olan trend i\u00e7in tasarlanm\u0131\u015f \u00e7\u00f6z\u00fcmler \u00fcretmek i\u00e7in kullan\u0131labilecek bir malzeme grubu olarak bahsediyor. Sert alt tabakalar a\u00e7\u0131s\u0131ndan polipropilen (PP), polietilen (PE), polistiren (PS), y\u00fcksek etkili polistiren (HIPS), polifenilen oksit (PPO), glikol modifiye polietilen tereftalat (PETG), Akrilonitril B\u00fctadien Stiren (ABS) ve polyester (PET, PBT) ve poliamid (Naylon 6, Naylon 66) gibi yar\u0131 kristal polar plastikler baz\u0131 \u00f6rneklerdir. Malzemelerin kar\u0131\u015ft\u0131r\u0131lmas\u0131 ve uyumlula\u015ft\u0131r\u0131lmas\u0131na y\u00f6nelik yeni teknolojiler, bu farkl\u0131 alt tabakalar \u00fczerine kal\u0131planabilen \u00fcr\u00fcnlerin \u00fcretilmesini m\u00fcmk\u00fcn k\u0131lm\u0131\u015ft\u0131r.<\/span><\/p>\n<p><a href=\"http:\/\/plas.co\/wp-content\/uploads\/2024\/10\/overmolding.jpg\"><img decoding=\"async\" class=\"size-full wp-image-1952 aligncenter\" src=\"http:\/\/plas.co\/wp-content\/uploads\/2024\/10\/overmolding.jpg\" alt=\"\u00fcst kal\u0131plama\" width=\"1200\" height=\"600\" srcset=\"https:\/\/plas.co\/wp-content\/uploads\/2024\/10\/overmolding.jpg 1200w, https:\/\/plas.co\/wp-content\/uploads\/2024\/10\/overmolding-300x150.jpg 300w, https:\/\/plas.co\/wp-content\/uploads\/2024\/10\/overmolding-1030x515.jpg 1030w, https:\/\/plas.co\/wp-content\/uploads\/2024\/10\/overmolding-768x384.jpg 768w, https:\/\/plas.co\/wp-content\/uploads\/2024\/10\/overmolding-705x353.jpg 705w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">Sert y\u00fczeyler \u00fczerine kal\u0131planm\u0131\u015f TPE i\u00e7in bir\u00e7ok \u015fey \u00e7ok \u00f6nemlidir. \u0130lk ve en \u00f6nemli \u015fey, rijit tabanla \u00e7al\u0131\u015facak TPE t\u00fcr\u00fcn\u00fc se\u00e7mektir. Ayr\u0131ca \u00fcst kal\u0131plama prosesi (insert veya 2K Kal\u0131plama gibi), makine tipi, proses ko\u015fullar\u0131, malzemenin nas\u0131l haz\u0131rland\u0131\u011f\u0131, par\u00e7an\u0131n tasar\u0131m\u0131 ve kal\u0131b\u0131n tasar\u0131m\u0131 da \u00f6nemlidir. Benzersiz malzeme teknolojileri, yeni par\u00e7a ve tak\u0131m tasar\u0131mlar\u0131 ve \u00fcst kal\u0131plama teknolojilerindeki geli\u015fmeler, tasar\u0131mc\u0131lar\u0131n zihinlerini aktif tutacak ve b\u00f6ylece t\u00fcketicilerin konfor, iyi g\u00f6r\u00fcn\u00fcm ve katma de\u011fer i\u00e7in s\u00fcrekli artan ihtiya\u00e7lar\u0131n\u0131 kar\u015f\u0131layabileceklerdir.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0130\u00e7indekiler<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u0130\u00e7indekiler Tablosunu A\u00e7\/Kapat\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Ge\u00e7i\u015f<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/plas.co\/tr\/tpe-ust-kaliplama\/#TPE_Overmolding_Technology\" >TPE \u00dcst Kal\u0131plama Teknolojisi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/plas.co\/tr\/tpe-ust-kaliplama\/#Insert_Molding-insert_overmolding\" >Insert Kal\u0131plama-insert \u00fcst kal\u0131plama<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/plas.co\/tr\/tpe-ust-kaliplama\/#TPE_Overmolding_Process\" >TPE \u00dcst Kal\u0131plama S\u00fcreci<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/plas.co\/tr\/tpe-ust-kaliplama\/#Overmolding_Part_Design_Considerations\" >Overmolding Par\u00e7a Tasar\u0131m\u0131nda Dikkat Edilmesi Gerekenler<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/plas.co\/tr\/tpe-ust-kaliplama\/#How_TPE_Sticks_to_Engineering_Thermoplastic\" >TPE M\u00fchendislik Termoplasti\u011fine Nas\u0131l Yap\u0131\u015f\u0131r?<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"TPE_Overmolding_Technology\"><\/span>TPE \u00dcst Kal\u0131plama Teknolojisi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"MsoNormal\"><span lang=\"EN-US\"><a href=\"https:\/\/plas.co\/tr\/tpe-ust-kaliplama\/\">TPE \u00dcst Kal\u0131plama<\/a> bir malzemeyi (\u00dcst Kal\u0131p) ba\u015fka bir malzemenin (Alt Tabaka) \u00fczerine koymak i\u00e7in enjeksiyon kal\u0131plama kullan\u0131r. A\u015f\u0131r\u0131 kal\u0131planm\u0131\u015f malzeme, son kullan\u0131m ortam\u0131nda kal\u0131c\u0131 olacak ve iyi \u00e7al\u0131\u015facak \u015fekilde alt tabakaya yap\u0131\u015fmal\u0131d\u0131r. \u00dcst kal\u0131plama, TPE'leri sert malzemelere tutturmak i\u00e7in yap\u0131\u015ft\u0131r\u0131c\u0131 ve astar ihtiyac\u0131n\u0131 ortadan kald\u0131r\u0131r. \u00dcstten kal\u0131plama teknolojisi tasar\u0131mc\u0131lara daha fazla \u00f6zg\u00fcrl\u00fck verir, \u00fcretim maliyetini d\u00fc\u015f\u00fcr\u00fcr ve bir \u015feyler yapmay\u0131 kolayla\u015ft\u0131r\u0131r. \u00c7oklu Malzeme Kal\u0131plama ve Ekleme Kal\u0131plama, \u00fcstten kal\u0131plama yapman\u0131n iki ana yoludur.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">Birden fazla malzeme ile enjeksiyon kal\u0131plama, \u00e7ok renkli veya iki vuru\u015flu enjeksiyon kal\u0131plama olarak da bilinir. \u015eekil 1 kullan\u0131lan alet t\u00fcrlerini g\u00f6stermektedir. \u0130ki veya daha fazla enjeksiyon \u00fcnitesine sahiptirler. Enjeksiyon makinesi kollar\u0131 birbirlerine paralel veya dik a\u00e7\u0131 yapacak \u015fekilde ayarlanabilir. Kal\u0131pta iki set delik vard\u0131r. Bir set temel malzemeyi, di\u011fer set ise kaplama malzemesini kal\u0131plar.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">\u0130ki vuru\u015flu kal\u0131plama i\u015fleminin iki ad\u0131m\u0131 vard\u0131r. \u0130lk ad\u0131m, ilk varilin alt tabakan\u0131n delik setini doldurmas\u0131d\u0131r. Alt tabaka so\u011fuduktan sonra kal\u0131p a\u00e7\u0131l\u0131r ve hareket ettirilebilen taraf, alt tabaka kal\u0131ptan \u00e7\u0131kmadan 180\u00b0 d\u00f6ner. Daha sonra kal\u0131p kapat\u0131l\u0131r ve kal\u0131p \u00fcst\u00fc malzeme ikinci varile enjekte edilir. Kal\u0131b\u0131n ikinci yar\u0131s\u0131 hareketsiz kalan tarafa doldurulur. Kal\u0131p \u00fcst\u00fc malzemenin par\u00e7an\u0131n her iki taraf\u0131nda da \u015fekillendirilmesi gerekiyorsa, kal\u0131p par\u00e7alar\u0131 d\u00f6nmek yerine iki delik seti aras\u0131nda hareket ettirebilir.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">D\u00f6ner Merdane Makineleri ve D\u00f6ner Kal\u0131p Makineleri: Presin ikinci k\u0131sm\u0131ndaki bir d\u00f6ner plaka bazen d\u00f6nmesini sa\u011flamak i\u00e7in makineye yerle\u015ftirilir. Bir d\u00f6ner plaka d\u00f6rt kez ayr\u0131 ayr\u0131 kullan\u0131ld\u0131\u011f\u0131nda, tipik olarak \u00fczerine monte edilmi\u015f kal\u0131p yar\u0131lar\u0131 kullan\u0131l\u0131r. D\u00f6nd\u00fcrme i\u015fleminin aletin i\u00e7ine yerle\u015ftirildi\u011fi ve sadece iki kal\u0131p yar\u0131s\u0131n\u0131n oldu\u011fu ancak d\u00f6rt kal\u0131p deli\u011fi setinin bulundu\u011fu zamanlar da vard\u0131r.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">Hareketli: Core s\u00fcrecindeki alet, hidrolik veya hava ile \u00e7al\u0131\u015fan hareketli bir par\u00e7aya sahiptir. \u0130lk alt tabaka enjekte edildikten ve so\u011fumas\u0131 i\u00e7in zaman verildikten sonra, bir kal\u0131p b\u00f6l\u00fcm\u00fc geri \u00e7ekilerek TPE \u00fcst kal\u0131p malzemesi i\u00e7in bir bo\u015fluk olu\u015fturur. Daha sonra TPE, \u00e7o\u011fu zaman ek par\u00e7a geri \u00e7ekildi\u011finde g\u00f6r\u00fcnen deli\u011fin yan\u0131ndan sokulur. Bu y\u00f6ntem daha h\u0131zl\u0131 d\u00f6ng\u00fc s\u00fcrelerine, daha fazla kavitasyona ve daha iyi makine performans\u0131na sahiptir. Tek sorun, yaln\u0131zca sabit bir TPE kal\u0131nl\u0131\u011f\u0131n\u0131n kullan\u0131labilmesidir.<\/span><\/p>\n<p><a href=\"http:\/\/plas.co\/wp-content\/uploads\/2024\/10\/insert-overmolding.jpg\"><img decoding=\"async\" class=\"size-full wp-image-1953 aligncenter\" src=\"http:\/\/plas.co\/wp-content\/uploads\/2024\/10\/insert-overmolding.jpg\" alt=\"\u00fcst kal\u0131plama yerle\u015ftirin\" width=\"1200\" height=\"600\" srcset=\"https:\/\/plas.co\/wp-content\/uploads\/2024\/10\/insert-overmolding.jpg 1200w, https:\/\/plas.co\/wp-content\/uploads\/2024\/10\/insert-overmolding-300x150.jpg 300w, https:\/\/plas.co\/wp-content\/uploads\/2024\/10\/insert-overmolding-1030x515.jpg 1030w, https:\/\/plas.co\/wp-content\/uploads\/2024\/10\/insert-overmolding-768x384.jpg 768w, https:\/\/plas.co\/wp-content\/uploads\/2024\/10\/insert-overmolding-705x353.jpg 705w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p>\n<h2 class=\"MsoNormal\"><span class=\"ez-toc-section\" id=\"Insert_Molding-insert_overmolding\"><\/span><span lang=\"EN-US\" style=\"font-size: 16.0pt;\">Insert Kal\u0131plama-insert \u00fcst kal\u0131plama<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">Ekleme kal\u0131plama, \u00fcst kal\u0131plama t\u00fcrlerinden biridir, ekleme kal\u0131plama s\u0131ras\u0131nda, \u00f6nceden kal\u0131planm\u0131\u015f sert bir plastik alt tabaka veya metal par\u00e7a bir robot veya bir ki\u015fi taraf\u0131ndan deli\u011fe yerle\u015ftirilir (\u015eekil 2). \"\u00dcst kal\u0131p\" olarak adland\u0131r\u0131lan ikinci malzeme, ek par\u00e7an\u0131n bir taraf\u0131na veya di\u011fer zamanlarda tamam\u0131n\u0131n etraf\u0131na yerle\u015ftirilir. Kesici u\u00e7 kal\u0131plama i\u00e7in standart enjeksiyon kal\u0131plama aletleri kullan\u0131l\u0131r.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">D\u00f6nd\u00fcrmek mi yoksa hareket ettirmek mi? Masa Kal\u0131plama: Bir alt tabakay\u0131 \u015fekillendirmek veya ilk pozisyondaki ikinci bo\u015flu\u011fa bir insert yerle\u015ftirmek i\u00e7in yatay bir enjeksiyon \u00fcnitesi veya bir robot kullan\u0131l\u0131r. Tabla, TPE'yi yerle\u015ftirmek i\u00e7in ba\u015fka bir yatay veya dikey enjeksiyon \u00fcnitesinin kullan\u0131ld\u0131\u011f\u0131 bir sonraki istasyona hareket eder veya d\u00f6ner. S\u0131cak bir yolluk kullanabilir veya yollu\u011fu b\u00f6lme hatt\u0131na yerle\u015ftirebilirsiniz. D\u00f6ner \u00fcnitenin tablas\u0131n\u0131n \u00fc\u00e7\u00fcnc\u00fc bir d\u00f6n\u00fc\u015f\u00fc, onu bitmi\u015f iki par\u00e7al\u0131 par\u00e7an\u0131n \u00e7\u0131kar\u0131ld\u0131\u011f\u0131 bir \"bo\u015faltma\" istasyonuna g\u00f6nderir.<\/span><\/p>\n<h2 class=\"MsoNormal\"><span class=\"ez-toc-section\" id=\"TPE_Overmolding_Process\"><\/span><span lang=\"EN-US\" style=\"font-size: 16.0pt;\">TPE \u00dcst Kal\u0131plama S\u00fcreci<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">Olas\u0131 s\u00fcre\u00e7lerden ve kal\u0131p tasar\u0131mlar\u0131ndan hangisinin kullan\u0131laca\u011f\u0131, se\u00e7ilen malzemeye, i\u015f\u00e7ilik maliyetine, mevcut alet ve makinelere ve \u00e7ok say\u0131da yapman\u0131n ekonomisine ba\u011fl\u0131d\u0131r. E\u011fer kesici u\u00e7 termoplastik de\u011filse, kesici u\u00e7 kal\u0131plama kullan\u0131lmal\u0131d\u0131r. Sadece az miktarda plastik veya metal alt tabakaya ihtiyac\u0131n\u0131z varsa, yerel i\u015f\u00e7ilik maliyeti d\u00fc\u015f\u00fckse ve aletlerin maliyetini d\u00fc\u015f\u00fck tutman\u0131z gerekiyorsa, bunlar\u0131 elle yerle\u015ftirmelisiniz. Daha b\u00fcy\u00fck miktarlarda i\u015f i\u00e7in mekik aletler kullan\u0131labilir. Yap\u0131lmas\u0131 gereken i\u015f miktar\u0131 maliyeti hakl\u0131 \u00e7\u0131kard\u0131\u011f\u0131nda, robotik olarak yerle\u015ftirilmi\u015f kesici u\u00e7lar ve d\u00f6ner tabla tak\u0131mlar\u0131 kullan\u0131labilir. \u00c7ok say\u0131da par\u00e7a yapman\u0131z gerekiyorsa veya ya\u015fad\u0131\u011f\u0131n\u0131z yerde i\u015f\u00e7ilik maliyeti y\u00fcksekse, plastik y\u00fczeyler i\u00e7in en iyisi iki malzemeli kal\u0131plama makineleridir. En y\u00fcksek \u00fcretim say\u0131lar\u0131 ve en g\u00fczel g\u00f6r\u00fcn\u00fcml\u00fc par\u00e7alar i\u00e7in valf kap\u0131l\u0131 s\u0131cak yolluk sistemleri en iyisidir.<\/span><\/p>\n<h2 class=\"MsoNormal\"><span class=\"ez-toc-section\" id=\"Overmolding_Part_Design_Considerations\"><\/span><span lang=\"EN-US\" style=\"font-size: 18.0pt;\">Overmolding Par\u00e7a Tasar\u0131m\u0131nda Dikkat Edilmesi Gerekenler<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">\u00dcst kal\u0131p tasarlaman\u0131n pek \u00e7ok farkl\u0131 k\u0131sm\u0131 vard\u0131r ve bu makale ak\u0131lda tutulmas\u0131 gereken baz\u0131 genel hususlardan bahsetmektedir. <\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">Malzemeler s\u00f6z konusu oldu\u011funda, yap\u0131\u015ft\u0131r\u0131labilir TPE'lerin normal TPE'lere g\u00f6re daha kat\u0131 kurallar\u0131 vard\u0131r. Ayn\u0131 \u015fey par\u00e7a yap\u0131m\u0131 i\u00e7in de ge\u00e7erlidir. \u0130ki par\u00e7al\u0131 par\u00e7alar tasarlarken, iki farkl\u0131 esnek malzemenin nas\u0131l k\u00fc\u00e7\u00fclece\u011fini d\u00fc\u015f\u00fcnmeniz gerekir; bu, tek par\u00e7al\u0131 par\u00e7alar tasarlamaktan farkl\u0131d\u0131r. Her ikisinin de kullan\u0131lan malzemenin \u00f6zelliklerine g\u00f6re \u00f6zelle\u015ftirilmesi gereken kendi kap\u0131 ve yolluk sistemleri vard\u0131r.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">En iyi d\u00f6ng\u00fc s\u00fcresini elde etmek i\u00e7in, taban ve \u00fcst kal\u0131b\u0131n ince duvarlar\u0131 m\u00fcmk\u00fcn oldu\u011funca e\u015fit olmal\u0131d\u0131r. \u00c7o\u011fu \u00fcst kal\u0131plama durumunda, 1 mm ila 3 mm kal\u0131nl\u0131\u011f\u0131ndaki duvarlar iyi bir \u015fekilde birle\u015fecektir. Par\u00e7an\u0131n kal\u0131n alanlara ihtiyac\u0131 varsa, par\u00e7an\u0131n \u00e7ok fazla k\u00fc\u00e7\u00fclmesini \u00f6nlemek ve d\u00f6ng\u00fc s\u00fcresini ve a\u011f\u0131rl\u0131\u011f\u0131 azaltmak i\u00e7in bunlar \u00f6zl\u00fc olmal\u0131d\u0131r. Geri dolumlar ve gaz tuzaklar\u0131 gibi ak\u0131\u015f sorunlar\u0131ndan ka\u00e7\u0131nmak i\u00e7in duvar kal\u0131nl\u0131\u011f\u0131ndaki de\u011fi\u015fiklikler yava\u015f\u00e7a yap\u0131lmal\u0131d\u0131r. Keskin k\u00f6\u015felere daireler (en az 0,5 mm) eklemek o b\u00f6lgedeki gerilimi azaltmaya yard\u0131mc\u0131 olabilir. Derin karanl\u0131k ceplerden veya a\u00e7\u0131lamayan nerv\u00fcrlerden ka\u00e7\u0131n\u0131lmal\u0131d\u0131r. Uzun \u00e7eki\u015fler, topun d\u0131\u015far\u0131 \u00e7\u0131kmas\u0131na yard\u0131mc\u0131 olmak i\u00e7in 3 ila 5 derecelik bir \u00e7eki\u015fe sahip olmal\u0131d\u0131r. Kal\u0131p \u00fcst\u00fc bile\u015fiklerle derin alt kesimler yap\u0131labilir, ancak sadece kal\u0131p a\u00e7\u0131ld\u0131\u011f\u0131nda bir \u00f6n ma\u00e7a kullan\u0131l\u0131rsa, par\u00e7an\u0131n keskin kenarlar\u0131 yoksa ve elastomerin kal\u0131ptan \u00e7\u0131karken b\u00fck\u00fclmesine izin verilirse.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">Kal\u0131pland\u0131\u011f\u0131nda, \u00e7o\u011fu TPE bile\u015fi\u011fi ak\u0131\u015f y\u00f6n\u00fcnde makul bir miktarda b\u00fcz\u00fcl\u00fcr, ancak \u00e7apraz ak\u0131\u015f y\u00f6n\u00fcnde kal\u0131pland\u0131\u011f\u0131nda \u00e7ok fazla b\u00fcz\u00fclmez. Bu durum, par\u00e7a kal\u0131ptan \u00e7\u0131kar\u0131ld\u0131ktan sonra \u00fcst kal\u0131plama malzemesinin alt tabakadan daha fazla b\u00fcz\u00fclmesine neden olabilir. Bu da alt tabaka par\u00e7as\u0131n\u0131n genellikle \u00fcst kal\u0131plama malzemesinin ak\u0131\u015f y\u00f6n\u00fcnde b\u00fck\u00fclmesine veya \u00e7ukurla\u015fmas\u0131na neden olabilir. Alt tabakan\u0131n \u00fcst kal\u0131ptan daha ince oldu\u011fu veya d\u00fc\u015f\u00fck sertlikte bir alt tabaka malzemesinin kullan\u0131ld\u0131\u011f\u0131 par\u00e7alarda bu \u00f6zellikle do\u011frudur. par\u00e7alar uzun ve ince olmal\u0131d\u0131r. Bu, daha y\u00fcksek mod\u00fcll\u00fc temel malzemeler kullan\u0131larak ve alt tabakaya sertle\u015ftirici nerv\u00fcrler eklenerek k\u0131smen d\u00fczeltilebilir. Ayr\u0131ca daha ince katlar ve daha az sertli\u011fe sahip bir \u00fcst kal\u0131p s\u0131n\u0131f\u0131 kullanmak da yard\u0131mc\u0131 olacakt\u0131r. TPE'nin ak\u0131\u015f modelini de\u011fi\u015ftirmek i\u00e7in kap\u0131y\u0131 hareket ettirmek de yard\u0131mc\u0131 olabilir.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">Bir malzemenin 6,3 mm minimum kal\u0131nl\u0131kta kal\u0131planm\u0131\u015f bir plaka (ASTM D2240) \u00fczerinde ezilmeye kar\u015f\u0131 direnci olan Shore sertli\u011fi, TPE malzemelerini \u00f6l\u00e7mek i\u00e7in kullan\u0131l\u0131r. Daha d\u00fc\u015f\u00fck sertli\u011fe sahip bir \u00fcr\u00fcn, ayn\u0131 kal\u0131nl\u0131kta olsa bile d\u0131\u015far\u0131dan daha yumu\u015fak hissedilir. Ancak \u00fcst kal\u0131plama genellikle sadece TPE'nin ince derisi \u00fczerinde yap\u0131ld\u0131\u011f\u0131ndan, alttaki sert taban ne kadar yumu\u015fak hissettirdi\u011fini etkiler. Bu bir sertlik testine tabi tutulursa, daha k\u00fc\u00e7\u00fck bir girinti, deri yumu\u015fak olsa bile kayan\u0131n daha sert oldu\u011funu g\u00f6sterecektir. Kau\u00e7uk \u00fcst kal\u0131p par\u00e7alar\u0131n her iki taraf\u0131nda (A ve B) olacaksa, kal\u0131p b\u00f6l\u00fcmleri aras\u0131nda hareket edebilen iki malzeme kal\u0131b\u0131 kullan\u0131lmal\u0131d\u0131r. bir par\u00e7a \u00fczerinde veya basit bir par\u00e7an\u0131n t\u00fcm taraf\u0131nda p\u00fcr\u00fczs\u00fcz bir katman yapmak i\u00e7in, hareketli \u00e7ekirdekli iki malzeme kal\u0131b\u0131 kullanmal\u0131s\u0131n\u0131z. Elastomerin ve alt tabakan\u0131n duvarlar\u0131n\u0131n ne kadar kal\u0131n oldu\u011funa ba\u011fl\u0131 olarak \u00e7\u0131kt\u0131 oran\u0131 \u00e7ok y\u00fcksek olabilir.<\/span><\/p>\n<h2 class=\"MsoNormal\"><span class=\"ez-toc-section\" id=\"How_TPE_Sticks_to_Engineering_Thermoplastic\"><\/span><span lang=\"EN-US\">TPE M\u00fchendislik Termoplasti\u011fine Nas\u0131l Yap\u0131\u015f\u0131r?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">Sert m\u00fchendislik plasti\u011fi ve yumu\u015fak kau\u00e7u\u011fun birbirine ne kadar iyi yap\u0131\u015faca\u011f\u0131n\u0131 de\u011fi\u015ftirebilecek bir\u00e7ok \u015fey vard\u0131r. Malzemeler aras\u0131nda belirli ili\u015fkiler kurmak i\u00e7in her ikisinin de y\u00fczey enerjilerinin ayn\u0131 olmas\u0131 \u00f6nemlidir. TPE'nin bir y\u00fczeye yap\u0131\u015fma g\u00fcc\u00fc de bir ba\u015fka \u00f6nemli fakt\u00f6rd\u00fcr. TPE ve alt tabaka aras\u0131nda belirli reaksiyonlar\u0131n ger\u00e7ekle\u015fmesi i\u00e7in birbirlerine \u00e7ok yak\u0131n olmalar\u0131 ve y\u00fczeyin \u0131slak olmas\u0131 gerekir. \u015eekil 3'te g\u00f6sterildi\u011fi gibi TPE'lerin teolojize olma \u015fekli, nas\u0131l \u0131slanacaklar\u0131n\u0131 belirler. \u00dcst kal\u0131plama malzemeleri \u00e7ok y\u00fcksek viskoziteye sahip de\u011fildir. Ayr\u0131ca kaymaya kar\u015f\u0131 duyarl\u0131d\u0131rlar ve kayma incelmesi davran\u0131\u015f\u0131 g\u00f6sterirler.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">A\u015fa\u011f\u0131daki resim, ak\u0131\u015f h\u0131z\u0131 y\u00fcksek oldu\u011funda viskozitenin aral\u0131\u011f\u0131n alt ucuna yak\u0131n oldu\u011funu g\u00f6stermektedir. Bu, TPE'nin \u00fcst kal\u0131plamada yayg\u0131n olan ince duvarl\u0131 alanlara girmesine ve bu alanlar\u0131 doldurmas\u0131na yard\u0131mc\u0131 olur.<\/span><\/p>\n<p><a href=\"http:\/\/plas.co\/wp-content\/uploads\/2024\/10\/TPE-over-molding.jpg\"><img decoding=\"async\" class=\"size-full wp-image-1956 aligncenter\" src=\"http:\/\/plas.co\/wp-content\/uploads\/2024\/10\/TPE-over-molding.jpg\" alt=\"TPE \u00fcst kal\u0131plama\" width=\"958\" height=\"527\" srcset=\"https:\/\/plas.co\/wp-content\/uploads\/2024\/10\/TPE-over-molding.jpg 958w, https:\/\/plas.co\/wp-content\/uploads\/2024\/10\/TPE-over-molding-300x165.jpg 300w, https:\/\/plas.co\/wp-content\/uploads\/2024\/10\/TPE-over-molding-768x422.jpg 768w, https:\/\/plas.co\/wp-content\/uploads\/2024\/10\/TPE-over-molding-705x388.jpg 705w\" sizes=\"(max-width: 958px) 100vw, 958px\" \/><\/a><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">TPE'nin kimyas\u0131 ve end\u00fcstriyel plastik t\u00fcr\u00fc, ne kadar iyi \u0131sland\u0131\u011f\u0131 \u00fczerinde b\u00fcy\u00fck bir etkiye sahiptir. Yap\u0131\u015fma kalitesinin yan\u0131 s\u0131ra elastomerin dif\u00fczyon ve viskoelastik \u00f6zellikleri de rol oynar. TPE ve sert alt tabakan\u0131n bulu\u015ftu\u011fu nokta, hem yap\u0131\u015fma g\u00fcc\u00fc hem de kohezif (C) veya yap\u0131\u015fkan (A) olabilen ar\u0131za t\u00fcr\u00fc i\u00e7in \u00e7ok \u00f6nemlidir. G\u00fc\u00e7l\u00fc bir ba\u011f\u0131n i\u015faretlerini ararken, kohezif sistemin genellikle bunu s\u00f6ylemenin en iyi yolu oldu\u011fu d\u00fc\u015f\u00fcn\u00fcl\u00fcr. Ancak yaln\u0131zca orta d\u00fczeyde ba\u011flanma g\u00fcc\u00fcne sahip zay\u0131f bir TPE, ba\u011flant\u0131n\u0131n g\u00fc\u00e7l\u00fc gibi g\u00f6r\u00fcnmesine neden olabilir. Yap\u0131\u015ft\u0131r\u0131c\u0131 ba\u015far\u0131s\u0131z oldu\u011funda bile iyi bir ba\u011f\u0131n var oldu\u011fu zamanlar vard\u0131r. Temas noktas\u0131nda sert alt tabaka ile yumu\u015fak termoplastik elastomerin birbirine yap\u0131\u015fmas\u0131na yard\u0131mc\u0131 olabilecek \u00fc\u00e7 t\u00fcr i\u015flem vard\u0131r. Bunlar a\u015fa\u011f\u0131daki resimde g\u00f6r\u00fclebilir.<\/span><\/p>\n<p><a href=\"http:\/\/plas.co\/wp-content\/uploads\/2024\/10\/Overmolding-part-design-guideline.jpg\"><img decoding=\"async\" class=\"size-full wp-image-1950 aligncenter\" src=\"http:\/\/plas.co\/wp-content\/uploads\/2024\/10\/Overmolding-part-design-guideline.jpg\" alt=\"\u00dcst kal\u0131p par\u00e7a tasar\u0131m k\u0131lavuzu\" width=\"1200\" height=\"600\" srcset=\"https:\/\/plas.co\/wp-content\/uploads\/2024\/10\/Overmolding-part-design-guideline.jpg 1200w, https:\/\/plas.co\/wp-content\/uploads\/2024\/10\/Overmolding-part-design-guideline-300x150.jpg 300w, https:\/\/plas.co\/wp-content\/uploads\/2024\/10\/Overmolding-part-design-guideline-1030x515.jpg 1030w, https:\/\/plas.co\/wp-content\/uploads\/2024\/10\/Overmolding-part-design-guideline-768x384.jpg 768w, https:\/\/plas.co\/wp-content\/uploads\/2024\/10\/Overmolding-part-design-guideline-705x353.jpg 705w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">Tasar\u0131m, mekanik ba\u011flant\u0131y\u0131 m\u00fcmk\u00fcn k\u0131lan \u015feydir. \u0130ki y\u00fczey aras\u0131nda ger\u00e7ek bir ba\u011flant\u0131 yap\u0131lmaz, ancak herhangi bir TPE bu durumda \u00e7al\u0131\u015facakt\u0131r. \u0130kinci yol, alt tabaka ve \u00fcst kal\u0131plama TPE malzemesi kimyasal olarak uyumlu oldu\u011fu i\u00e7in \u00e7al\u0131\u015f\u0131r. Kimyasal uyumluluk, alt tabaka ve TPE'nin birbirine ne kadar iyi yap\u0131\u015ft\u0131\u011f\u0131yla ba\u011flant\u0131l\u0131 olan y\u00fczey enerjilerine dayan\u0131r. Kal\u0131plama y\u00f6ntemi ve s\u0131cakl\u0131k do\u011fru oldu\u011funda, taban ve \u00fcst kal\u0131p molek\u00fcllerinin kar\u0131\u015ft\u0131\u011f\u0131 bir aray\u00fcz olu\u015fabilir. Stirenik bir TPE veya taban olarak polietilen \u00fczerine kal\u0131planm\u0131\u015f olefinik bir TPE ile bir aray\u00fcz olu\u015fturabilirsiniz. \u00dc\u00e7\u00fcnc\u00fc yol TPE'nin i\u00e7ine yerle\u015ftirilebilir. Yap\u0131\u015ft\u0131rma i\u015flemi, TPE gruplar\u0131 ile sert alt tabaka aras\u0131ndaki belirli polar etkile\u015fimlerden veya kimyasal reaksiyonlardan olu\u015fur.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">TPE ile end\u00fcstriyel plastik aras\u0131ndaki ba\u011f\u0131n ne kadar g\u00fc\u00e7l\u00fc oldu\u011funu \u00f6\u011frenmek i\u00e7in \"90 derece Soyma Testi\" kullan\u0131labilir. Yumu\u015fak TPE'nin sert termoplasti\u011fe ne kadar iyi yap\u0131\u015ft\u0131\u011f\u0131n\u0131 test etmek i\u00e7in plastiklere y\u00f6nelik ASTM D903 y\u00f6ntemini de\u011fi\u015ftirdik. Testler i\u00e7in kal\u0131planm\u0131\u015f bir taban ve bunun \u00fczerine kal\u0131planm\u0131\u015f bir TPE kaplama par\u00e7as\u0131 kullan\u0131l\u0131r. Tabana dik a\u00e7\u0131yla bir in\u00e7 geni\u015fli\u011finde bir TPE \u015feridini kesmek ve \u00e7ekmek i\u00e7in bir Instron gerilim test cihaz\u0131 kullan\u0131l\u0131r. Lastik \u00e7ekilirken 90 derecelik a\u00e7\u0131n\u0131n ayn\u0131 kalmas\u0131 i\u00e7in tekerlek \u00fczerindeki yerine kilitlenir. Yap\u0131\u015fma g\u00fcc\u00fc, elastomeri tabandan \u00e7ekmenin ne kadar zor oldu\u011funa g\u00f6re bulunur. Bu kuvvet genellikle 2 in\u00e7in \u00fczerindedir. Yap\u0131\u015fkan ar\u0131zas\u0131 (A) veya kohezif ar\u0131za (C) nedeniyle ba\u015far\u0131s\u0131z olup olmad\u0131\u011f\u0131na ba\u011fl\u0131 olarak iki gruba ayr\u0131l\u0131r. Yap\u0131\u015fkan hatas\u0131, malzeme \u00fczerinde TPE kal\u0131nt\u0131s\u0131 kalmad\u0131\u011f\u0131 anlam\u0131na gelir. Verilen rakamlar \u00fc\u00e7 farkl\u0131 yap\u0131\u015fma \u00e7al\u0131\u015fmas\u0131n\u0131n ortalamas\u0131d\u0131r. M\u00fc\u015fteri belirli bir yap\u0131\u015fma seviyesi istedi\u011finden, 12 pli'den daha y\u00fcksek bir yap\u0131\u015fma say\u0131s\u0131n\u0131n yeterince iyi oldu\u011funa karar verdik.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">G\u00fcn\u00fcm\u00fczde, \u00f6zellikle yumu\u015fak bir dokunu\u015fa sahip olmas\u0131 gereken pazar \u00fcr\u00fcnleri i\u00e7in TPE'lerin sert alt tabakalar \u00fczerine kal\u0131planmas\u0131na b\u00fcy\u00fck bir ilgi vard\u0131r. Yeni TPE'ler giderek artan say\u0131da alt tabaka \u00fczerine kal\u0131planmaktad\u0131r. Bu da tasar\u0131mc\u0131lara daha fazla tasar\u0131m \u00f6zg\u00fcrl\u00fc\u011f\u00fc ve \u00fcr\u00fcnlerini \"me-too\" kopyalarla dolu bir pazarda \u00f6ne \u00e7\u0131karma \u015fans\u0131 veriyor.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">TPE'ler \u00e7ok \u00fcnl\u00fcd\u00fcr \u00e7\u00fcnk\u00fc sat\u0131\u015f noktas\u0131nda sat\u0131\u015flara yard\u0131mc\u0131 olurlar. G\u00fcn\u00fcm\u00fczde insanlar ma\u011fazalarda se\u00e7im yapabilecekleri \u00e7ok say\u0131da \u00fcr\u00fcne sahip ve \u00fcr\u00fcn \u00fcreten \u015firketler de kendi \u00fcr\u00fcnlerini \u00f6ne \u00e7\u0131karmak istiyor. TPE'li bir \u00fcr\u00fcn se\u00e7mek i\u00e7in bir\u00e7ok iyi neden vard\u0131r <a href=\"https:\/\/www.plasticmold.net\/what-is-overmolding-and-2k-injection-molding\/\" target=\"_blank\" rel=\"noopener\">\u00fcst kal\u0131plama<\/a> Yeni renkler, dokular, desenler ve konfor gibi y\u00fczeyler. Bir\u00e7ok insan i\u00e7in \"s\u0131cak\" yumu\u015fak bir dokunu\u015f, sert bir plastik hissinden daha iyi hissettirir. Ve kau\u00e7uk gibi g\u00f6r\u00fcnen ve hissettiren \u015feylerin genellikle daha de\u011ferli oldu\u011fu d\u00fc\u015f\u00fcn\u00fcl\u00fcr. \u0130nsanlar art\u0131k ergonomi ve a\u015f\u0131r\u0131 eklem kullan\u0131m\u0131 yaralanmalar\u0131ndaki art\u0131\u015f hakk\u0131nda daha fazla bilgi sahibi olduklar\u0131ndan, v\u00fccutlar\u0131na daha iyi uyan ve titre\u015fimleri azaltan \u00fcr\u00fcnler bulma konusunda daha ak\u0131ll\u0131lar. A\u015f\u0131r\u0131 kal\u0131planm\u0131\u015f TPE'ler his ve kullan\u0131labilirlik d\u0131\u015f\u0131nda da faydal\u0131 olabilir. Islak alanlarda g\u00fcvenli ve g\u00fc\u00e7l\u00fc bir tutu\u015f sa\u011flama, conta ve contalar\u0131 su ge\u00e7irmez hale getirme, darbelere kar\u015f\u0131 koruma sa\u011flamak ve erken k\u0131r\u0131lmay\u0131 \u00f6nlemek i\u00e7in kal\u0131planm\u0131\u015f \"tamponlar\" ve titre\u015fimi azaltma gibi baz\u0131 \u00f6rnekler verilebilir.<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Now is the time to start overmolding thermoplastic elastomers (TPEs). TPEs have traditionally been used to replace rubber, but new consumer market trends have made the overmolding idea a fact in the business world. Demand and trends in the consumer market are growing for better ergonomic feel and touch, grippability, looks, impact protection, vibration separation, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1953,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[13,174],"class_list":["post-1949","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-plastic-mold","tag-overmolding","tag-tpe-overmolding"],"_links":{"self":[{"href":"https:\/\/plas.co\/tr\/wp-json\/wp\/v2\/posts\/1949","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/plas.co\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/plas.co\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/plas.co\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/plas.co\/tr\/wp-json\/wp\/v2\/comments?post=1949"}],"version-history":[{"count":0,"href":"https:\/\/plas.co\/tr\/wp-json\/wp\/v2\/posts\/1949\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/plas.co\/tr\/wp-json\/wp\/v2\/media\/1953"}],"wp:attachment":[{"href":"https:\/\/plas.co\/tr\/wp-json\/wp\/v2\/media?parent=1949"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/plas.co\/tr\/wp-json\/wp\/v2\/categories?post=1949"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/plas.co\/tr\/wp-json\/wp\/v2\/tags?post=1949"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}