{"id":13749,"date":"2022-11-04T12:27:02","date_gmt":"2022-11-04T04:27:02","guid":{"rendered":"https:\/\/zetarmold.com\/?p=13749"},"modified":"2026-04-09T08:28:06","modified_gmt":"2026-04-09T00:28:06","slug":"plasti%cc%87k-enjeksi%cc%87yon-kaliplama-i%cc%87slemi%cc%87","status":"publish","type":"post","link":"https:\/\/zetarmold.com\/tr\/plasti%cc%87k-enjeksi%cc%87yon-kaliplama-i%cc%87slemi%cc%87\/","title":{"rendered":"Be\u015f genel plastik enjeksiyon kal\u0131plama s\u00fcreci detay\u0131"},"content":{"rendered":"

Enjeksiyon kal\u0131b\u0131<\/a>ing<\/a> plastiklerin performans\u0131na dayanan bir teknolojidir ve bu \u00f6zellikleri anlamak her enjeksiyon kal\u0131p\u00e7\u0131s\u0131 i\u00e7in \u00e7ok \u00f6nemlidir. <\/p>\n

S\u00fcre\u00e7 \u00f6zelliklerine hakim olmak, \u00fcretimde ortaya \u00e7\u0131kan kalite sorunlar\u0131n\u0131 gidermeyi kolayla\u015ft\u0131r\u0131r - bu da zanaat\u0131n\u0131z\u0131 m\u00fckemmelle\u015ftirmenin ayr\u0131lmaz bir par\u00e7as\u0131d\u0131r.<\/p>\n

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

I. Polipropilen (PP) enjeksiyon kal\u0131plama i\u015flemi<\/span><\/h2>\n

PP, y\u00fcksek mukavemet, iyi yal\u0131t\u0131m, d\u00fc\u015f\u00fck su emme, y\u00fcksek \u0131s\u0131 sapma s\u0131cakl\u0131\u011f\u0131, d\u00fc\u015f\u00fck yo\u011funluk ve y\u00fcksek kristallik \u00f6zelliklerine sahip yar\u0131 saydam, yar\u0131 kristal bir termoplastiktir. Modifiye dolgu maddeleri genellikle cam elyaf\u0131, mineral dolgu maddesi, termoplastik kau\u00e7uk vb. i\u00e7erir.<\/p>\n

PP'nin ak\u0131\u015fkanl\u0131\u011f\u0131 uygulamadan uygulamaya b\u00fcy\u00fck \u00f6l\u00e7\u00fcde de\u011fi\u015fir ve PP ak\u0131\u015f h\u0131z\u0131n\u0131n genel kullan\u0131m\u0131 ABS ile PC aras\u0131ndad\u0131r.<\/p>\n

Pure PP is semi-transparent ivory white and can be dyed in various colors; PP can only be dyed with masterbatch on general injection molding machines. <\/p>\n

Uygulama ne olursa olsun, plastikle\u015ftirme elemanlar\u0131 ile donat\u0131lm\u0131\u015f makineler y\u00fcksek kaliteli sonu\u00e7lar sa\u011flayabilir. <\/p>\n

D\u0131\u015f mekanda kullan\u0131m durumlar\u0131 i\u00e7in, kar\u0131\u015f\u0131ma UV stabilizat\u00f6rleri ve karbon siyah\u0131 dolgusu eklemek, s\u00fcrd\u00fcr\u00fclebilir performans i\u00e7in gereklidir. <\/p>\n

\u00c7evre dostu \u00e7\u00f6z\u00fcmler sunarken son \u00fcr\u00fcn\u00fcn\u00fcz\u00fcn zay\u0131flamas\u0131n\u0131 veya renginin solmas\u0131n\u0131 \u00f6nlemek i\u00e7in; \u00fcretim d\u00f6ng\u00fcleri s\u0131ras\u0131nda maksimum 15% geri d\u00f6n\u00fc\u015ft\u00fcr\u00fclm\u00fc\u015f malzeme oran\u0131na uyulmal\u0131d\u0131r.<\/p>\n

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

Enjeksiyon kal\u0131plama makinesi se\u00e7imi i\u00e7in \u00f6zel bir gereklilik yoktur. \u00c7\u00fcnk\u00fc PP y\u00fcksek kristalli\u011fe sahiptir.<\/p>\n

Bilgisayarl\u0131 bir bilgisayar kullanmak gereklidir. enjeksiyon kal\u0131plama<\/a> y\u00fcksek enjeksiyon bas\u0131nc\u0131 ve \u00e7ok a\u015famal\u0131 kontrole sahip makine. S\u0131k\u0131\u015ft\u0131rma kuvveti genellikle 3800t\/m2 ile belirlenir ve enjeksiyon hacmi 20%-85%'dir.<\/p>\n

Kal\u0131p s\u0131cakl\u0131\u011f\u0131, y\u00fcksek boyutsal gereksinimler i\u00e7in y\u00fcksek kal\u0131p s\u0131cakl\u0131\u011f\u0131 ile 50-90 \u2103'dir. \u00c7ekirdek s\u0131cakl\u0131\u011f\u0131, bo\u015fluk s\u0131cakl\u0131\u011f\u0131ndan 5 \u2103 daha d\u00fc\u015f\u00fckt\u00fcr, yolluk \u00e7ap\u0131 4-7 mm'dir, i\u011fne ge\u00e7idi uzunlu\u011fu 1-1,5 mm'dir ve \u00e7ap 0,7 mm kadar k\u00fc\u00e7\u00fck olabilir.<\/p>\n

Kenar kap\u0131s\u0131 uzunlu\u011fu ne kadar k\u0131sa olursa o kadar iyidir, yakla\u015f\u0131k 0,7 mm, derinlik duvar kal\u0131nl\u0131\u011f\u0131n\u0131n yar\u0131s\u0131, geni\u015flik duvar kal\u0131nl\u0131\u011f\u0131n\u0131n iki kat\u0131d\u0131r ve bo\u015fluktaki eriyik ak\u0131\u015f\u0131n\u0131n uzunlu\u011fu kal\u0131pla birlikte artar.<\/p>\n

Kal\u0131p iyi egzoza sahip olmal\u0131d\u0131r, egzoz deli\u011fi 0.025mm-0.038mm derinli\u011finde ve 1.5mm kal\u0131nl\u0131\u011f\u0131ndad\u0131r, b\u00fcz\u00fclme izlerini \u00f6nlemek i\u00e7in b\u00fcy\u00fck ve yuvarlak bir enjeksiyon a\u011fz\u0131 ve yuvarlak ak\u0131\u015f kanal\u0131 kullanmak gerekir, takviye kal\u0131nl\u0131\u011f\u0131 k\u00fc\u00e7\u00fck olmal\u0131d\u0131r (\u00f6rne\u011fin, duvar kal\u0131nl\u0131\u011f\u0131n\u0131n 50-60%'sidir).<\/p>\n

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

Homopolimer PP'den yap\u0131lan \u00fcr\u00fcnlerin kal\u0131nl\u0131\u011f\u0131 3 mm'yi ge\u00e7emez, aksi takdirde kabarc\u0131klar olacakt\u0131r (kal\u0131n duvarl\u0131 \u00fcr\u00fcnler sadece kopolimer PP'den yap\u0131labilir).<\/p>\n

PP'nin erime noktas\u0131 160-175 \u2103 ve ayr\u0131\u015fma s\u0131cakl\u0131\u011f\u0131 350 \u2103'dir, ancak enjeksiyon i\u015flemi s\u0131ras\u0131nda s\u0131cakl\u0131k ayar\u0131 275 \u2103'yi ge\u00e7emez ve eriyik b\u00f6l\u00fcm\u00fcn\u00fcn s\u0131cakl\u0131\u011f\u0131 tercihen 240 \u2103'dir.<\/p>\n

\u0130\u00e7 gerilimi ve deformasyonu azaltmak i\u00e7in y\u00fcksek h\u0131zl\u0131 enjeksiyon se\u00e7ilmelidir, ancak baz\u0131 PP s\u0131n\u0131flar\u0131 ve kal\u0131plar uygulanamaz (kabarc\u0131klar ve hava kal\u0131plar\u0131 ortaya \u00e7\u0131kar). <\/p>\n

Desenli y\u00fczey a\u00e7\u0131k ve koyu \u00e7izgiler kap\u0131 taraf\u0131ndan yay\u0131l\u0131rsa, d\u00fc\u015f\u00fck h\u0131zl\u0131 enjeksiyon ve daha y\u00fcksek kal\u0131p s\u0131cakl\u0131\u011f\u0131 kullan\u0131lmal\u0131d\u0131r.<\/p>\n

Eriyik geri bas\u0131nc\u0131 5 bar olabilir ve renkli tozun geri bas\u0131nc\u0131 daha y\u00fcksek ayarlanabilir.<\/p>\n

Daha y\u00fcksek enjeksiyon bas\u0131nc\u0131 (1500-1800 bar) ve tutma bas\u0131nc\u0131 (enjeksiyon bas\u0131nc\u0131n\u0131n yakla\u015f\u0131k 80%'si) kullan\u0131n. Tutma bas\u0131nc\u0131n\u0131 tam strokun yakla\u015f\u0131k 95%'sinde \u00e7evirin ve daha uzun bir tutma s\u00fcresi kullan\u0131n.<\/p>\n

Kristalle\u015fme sonras\u0131 olu\u015fan b\u00fcz\u00fclme ve deformasyonu \u00f6nlemek i\u00e7in \u00fcr\u00fcne genellikle s\u0131cak suda bekletme i\u015flemi uygulan\u0131r.<\/p>\n

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

2. Polietilen (PE) enjeksiyon kal\u0131plama i\u015flemi<\/span><\/h2>\n

PE kristal hammaddedir, nem emilimi \u00e7ok k\u00fc\u00e7\u00fckt\u00fcr, 0.01%'den fazla de\u011fildir, bu nedenle i\u015flemeden \u00f6nce kurutmaya gerek yoktur.<\/p>\n

PE molek\u00fcler zincir esnekli\u011fi, k\u00fc\u00e7\u00fck ba\u011flar aras\u0131 kuvvetler, eriyi\u011fin d\u00fc\u015f\u00fck viskozitesi ve m\u00fckemmel ak\u0131\u015fkanl\u0131k, bu nedenle \u00e7ok y\u00fcksek bas\u0131n\u00e7 olmadan kal\u0131plama ince duvarl\u0131 uzun ak\u0131\u015fl\u0131 \u00fcr\u00fcnlerden kal\u0131planabilir.<\/p>\n

PE b\u00fcz\u00fclme oran\u0131 aral\u0131\u011f\u0131, b\u00fcz\u00fclme de\u011feri, y\u00f6n\u00fc a\u00e7\u0131k, AYPE b\u00fcz\u00fclme oran\u0131 yakla\u015f\u0131k 1.22%, YYPE b\u00fcz\u00fclme oran\u0131 yakla\u015f\u0131k 1.5%. YYPE b\u00fcz\u00fclme oran\u0131 yakla\u015f\u0131k 1,5%'dir.<\/p>\n

Bu nedenle, deforme olmas\u0131 ve \u00e7arp\u0131lmas\u0131 kolayd\u0131r ve kal\u0131b\u0131n so\u011futma ko\u015fulunun b\u00fcz\u00fclme oran\u0131 \u00fczerinde b\u00fcy\u00fck bir etkisi vard\u0131r, bu nedenle kal\u0131b\u0131n s\u0131cakl\u0131\u011f\u0131 enjeksiyon kal\u0131b\u0131<\/a> So\u011futman\u0131n d\u00fczg\u00fcn ve istikrarl\u0131 olmas\u0131 i\u00e7in iyi kontrol edilmelidir.<\/p>\n

PE'nin kristalle\u015fme kabiliyeti y\u00fcksektir ve kal\u0131b\u0131n s\u0131cakl\u0131\u011f\u0131 plastik par\u00e7alar\u0131n kristalle\u015fme durumu \u00fczerinde b\u00fcy\u00fck bir etkiye sahiptir. <\/p>\n

Kal\u0131p s\u0131cakl\u0131\u011f\u0131 y\u00fcksektir, eriyik yava\u015f so\u011fur, erimi\u015f plastik par\u00e7alar\u0131n kristalizasyonu y\u00fcksektir ve mukavemeti y\u00fcksektir.<\/p>\n

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

PE'nin erime noktas\u0131 y\u00fcksek de\u011fildir, ancak \u00f6zg\u00fcl \u0131s\u0131 kapasitesi daha b\u00fcy\u00fckt\u00fcr, bu nedenle plastikle\u015ftirmenin hala daha fazla \u0131s\u0131 t\u00fcketmesi gerekir, bu nedenle plastikle\u015ftirme cihaz\u0131n\u0131n \u00fcretim verimlili\u011fini art\u0131rmak i\u00e7in daha b\u00fcy\u00fck bir \u0131s\u0131tma g\u00fcc\u00fcne sahip olmas\u0131 gerekir.<\/p>\n

PE'nin yumu\u015fama s\u0131cakl\u0131\u011f\u0131 aral\u0131\u011f\u0131 k\u00fc\u00e7\u00fckt\u00fcr ve eriyi\u011fin oksidasyonu kolayd\u0131r, bu nedenle kal\u0131plama i\u015flemi, plastik par\u00e7alar\u0131n kalitesini d\u00fc\u015f\u00fcrmemek i\u00e7in eriyik ve oksijen aras\u0131ndaki temas\u0131 \u00f6nlemek i\u00e7in m\u00fcmk\u00fcn oldu\u011funca uzak olmal\u0131d\u0131r.<\/p>\n

PE par\u00e7alar yumu\u015fakt\u0131r ve kal\u0131ptan \u00e7\u0131kar\u0131lmas\u0131 kolayd\u0131r, bu nedenle plastik par\u00e7alar s\u0131\u011f yan oluklara sahip oldu\u011funda, g\u00fc\u00e7l\u00fc bir \u015fekilde kal\u0131ptan \u00e7\u0131kar\u0131labilirler. <\/p>\n

PE eriyi\u011finin Newtonyen olmayan do\u011fas\u0131 belirgin de\u011fildir, kesme h\u0131z\u0131ndaki de\u011fi\u015fimin viskozite \u00fczerinde daha az etkisi vard\u0131r ve PE eriyi\u011finin viskozitesi s\u0131cakl\u0131ktan daha az etkilenir. PE eriyi\u011finin so\u011fuma h\u0131z\u0131 yava\u015ft\u0131r, bu nedenle tamamen so\u011futulmas\u0131 gerekir. Kal\u0131p daha iyi bir so\u011futma sistemine sahip olmal\u0131d\u0131r.<\/p>\n

PE eriyi\u011fi enjeksiyon s\u0131ras\u0131nda do\u011frudan giri\u015fle beslenirse, gerilimi art\u0131rmal\u0131 ve d\u00fczensiz b\u00fcz\u00fclme ve deformasyonda belirgin bir \u015fekilde y\u00f6nl\u00fc art\u0131\u015f \u00fcretmelidir, bu nedenle giri\u015f parametrelerinin se\u00e7imine dikkat edilmelidir.<\/p>\n

PE'nin kal\u0131plama s\u0131cakl\u0131\u011f\u0131 geni\u015ftir, ak\u0131\u015f durumunda, s\u0131cakl\u0131ktaki k\u00fc\u00e7\u00fck bir dalgalanma enjeksiyon kal\u0131plamay\u0131 etkilemez. PE'nin termal stabilitesi iyidir, genellikle belirgin bir ayr\u0131\u015fma olgusu olmaks\u0131z\u0131n 300 derecenin alt\u0131ndad\u0131r, bu da kalite \u00fczerinde \u00e7ok az etkiye sahiptir.<\/p>\n

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PE'nin ana kal\u0131plama ko\u015fullar\u0131<\/span><\/h3>\n

Namlu s\u0131cakl\u0131\u011f\u0131:<\/strong> Varil s\u0131cakl\u0131\u011f\u0131, esas olarak PE'nin yo\u011funlu\u011fu ve eriyik ak\u0131\u015f h\u0131z\u0131n\u0131n boyutuna ek olarak, PE'nin tipi ve performans\u0131 ile ilgilidir. enjeksiyon kal\u0131plama<\/a> makine ve birinci seviye plastik par\u00e7alar\u0131n istenen \u015fekli.<\/p>\n

PE kristal bir polimer oldu\u011fundan, taneler erirken belirli bir \u0131s\u0131y\u0131 absorbe etmelidir, bu nedenle namlu s\u0131cakl\u0131\u011f\u0131 erime noktas\u0131ndan 10 derece daha y\u00fcksek olmal\u0131d\u0131r.<\/p>\n

AYPE i\u00e7in varil s\u0131cakl\u0131\u011f\u0131 140-200\u00b0C'de kontrol edilir ve YYPE i\u00e7in varil s\u0131cakl\u0131\u011f\u0131 220\u00b0C'de kontrol edilir, varilin arkas\u0131 minimum de\u011feri ve \u00f6n\u00fc maksimum de\u011feri al\u0131r.<\/p>\n

Kal\u0131p s\u0131cakl\u0131\u011f\u0131: <\/strong>K\u00fcf s\u0131cakl\u0131\u011f\u0131 daha b\u00fcy\u00fck bir etkiye sahiptirc<\/strong>Plastik par\u00e7alar\u0131n kristalle\u015fmesi, y\u00fcksek kal\u0131p s\u0131cakl\u0131\u011f\u0131, eriyi\u011fin y\u00fcksek kristalli\u011fi ve y\u00fcksek mukavemet, ancak b\u00fcz\u00fclme de artacakt\u0131r. <\/p>\n

Genellikle, AYPE'nin kal\u0131p s\u0131cakl\u0131\u011f\u0131 30\u00b0C-45\u00b0C'de kontrol edilirken, YYPE'nin s\u0131cakl\u0131\u011f\u0131 buna g\u00f6re 10-20\u00b0C daha y\u00fcksektir.<\/p>\n

Enjeksiyon bas\u0131nc\u0131:<\/strong> Enjeksiyon bas\u0131nc\u0131n\u0131n iyile\u015ftirilmesi, PE'nin iyi ak\u0131\u015fkanl\u0131\u011f\u0131 nedeniyle eriyik doldurma kal\u0131b\u0131na elveri\u015flidir, bu nedenle ince duvarl\u0131 ince \u00fcr\u00fcnlere ek olarak, daha d\u00fc\u015f\u00fck bir enjeksiyon bas\u0131nc\u0131, 50-100MPa genel enjeksiyon bas\u0131nc\u0131 se\u00e7mek iyi olmal\u0131d\u0131r. basit \u015fekil. Daha b\u00fcy\u00fck plastik par\u00e7alar\u0131n duvar\u0131ndan sonra, enjeksiyon bas\u0131nc\u0131 daha d\u00fc\u015f\u00fck olabilir ve bunun tersi de y\u00fcksektir.<\/p>\n

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3. Polivinil klor\u00fcr (PVC) enjeksiyon kal\u0131plama i\u015flemi<\/span><\/h2>\n

Tipik uygulamalar:<\/strong> su tedarik borular\u0131, ev borular\u0131, ev duvar panelleri, ticari makine g\u00f6vdeleri, elektronik \u00fcr\u00fcn ambalajlar\u0131, t\u0131bbi cihazlar, g\u0131da ambalajlar\u0131 vb.<\/p>\n

Kimyasal ve fiziksel \u00f6zellikler:<\/strong> PVC malzeme kristal olmayan bir malzemedir. PVC malzemeye ger\u00e7ek kullan\u0131mda genellikle stabilizat\u00f6rler, ya\u011flay\u0131c\u0131lar, yard\u0131mc\u0131 i\u015flem maddeleri, renklendiriciler, darbe maddeleri ve di\u011fer katk\u0131 maddeleri eklenir.<\/p>\n

PVC malzeme yanmazl\u0131k, y\u00fcksek mukavemet, atmosferik de\u011fi\u015fikliklere kar\u015f\u0131 kimyasal diren\u00e7 ve m\u00fckemmel geometrik stabiliteye sahiptir.<\/p>\n

PVC oksitleyici maddelere, indirgeyici maddelere ve g\u00fc\u00e7l\u00fc asitlere kar\u015f\u0131 olduk\u00e7a dayan\u0131kl\u0131d\u0131r. Ancak, konsantre s\u00fclf\u00fcrik asit ve nitrik asit gibi konsantre oksitleyici asitler taraf\u0131ndan a\u015f\u0131nd\u0131r\u0131labilir ve aromatik ve klorlu hidrokarbonlarla temas i\u00e7in uygun de\u011fildir.<\/p>\n

PVC'nin erime s\u0131cakl\u0131\u011f\u0131 i\u015flemede \u00e7ok \u00f6nemli bir parametredir ve bu parametre uygun de\u011filse plastik malzemenin ayr\u0131\u015fmas\u0131na yol a\u00e7acakt\u0131r.<\/p>\n

PVC'nin b\u00fcz\u00fclme oran\u0131 olduk\u00e7a d\u00fc\u015f\u00fckt\u00fcr, genellikle 0,2~0,6%'dir.<\/p>\n

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Enjeksiyon kal\u0131plama i\u015flemi ko\u015fullar\u0131.<\/p>\n

Kurutma i\u015flemi: <\/strong>Genellikle kurutma i\u015flemi gerekmez.<\/p>\n

Erime s\u0131cakl\u0131\u011f\u0131: <\/strong>185~205\u2103 Kal\u0131p s\u0131cakl\u0131\u011f\u0131: 20~50\u2103.<\/p>\n

Enjeksiyon bas\u0131nc\u0131:<\/strong> 1500bar kadar b\u00fcy\u00fck olabilir.<\/p>\n

Tutma bas\u0131nc\u0131:<\/strong> 1000bar kadar b\u00fcy\u00fck olabilir.<\/p>\n

Enjeksiyon h\u0131z\u0131:<\/strong> A\u015f\u0131r\u0131 malzeme bozulmas\u0131n\u0131 \u00f6nlemek i\u00e7in genellikle olduk\u00e7a y\u00fcksek bir enjeksiyon h\u0131z\u0131 kullan\u0131l\u0131r.<\/p>\n

Ko\u015fucular ve kap\u0131lar:<\/strong> T\u00fcm geleneksel kap\u0131lar kullan\u0131labilir. K\u00fc\u00e7\u00fck enjeksiyon kal\u0131pl\u0131 par\u00e7alar i\u00e7in i\u011fne u\u00e7lu bir kapak veya dald\u0131r\u0131lm\u0131\u015f bir kapak kullanmak daha iyidir; daha kal\u0131n par\u00e7alar i\u00e7in bir fan kap\u0131s\u0131 kullanmak daha iyidir.<\/p>\n

\u0130\u011fne u\u00e7lu kap\u0131n\u0131n veya dald\u0131r\u0131lm\u0131\u015f kap\u0131n\u0131n minimum \u00e7ap\u0131 1 mm olmal\u0131d\u0131r; fan kap\u0131s\u0131n\u0131n kal\u0131nl\u0131\u011f\u0131 1 mm'den az olmamal\u0131d\u0131r.<\/p>\n

Kimyasal ve fiziksel \u00f6zellikler: Sert PVC en yayg\u0131n kullan\u0131lan erimi\u015f plastik malzemelerden biridir.<\/p>\n

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

4. Polistiren (PS) enjeksiyon kal\u0131plama i\u015flemi<\/span><\/h2>\n

Tipik uygulama alanlar\u0131: \u00fcr\u00fcn ambalaj\u0131, ev \u00fcr\u00fcnleri (sofra tak\u0131mlar\u0131, tepsiler, vb.), elektrik (\u015feffaf kaplar, \u0131\u015f\u0131k sa\u00e7\u0131c\u0131lar, yal\u0131t\u0131m filmleri, vb.)<\/p>\n

Kimyasal ve fiziksel \u00f6zellikler:<\/strong> \u00c7o\u011fu ticari PS \u015feffaf, kristal olmayan bir malzemedir. ps \u00e7ok iyi geometrik stabiliteye, termal stabiliteye, optik iletim \u00f6zelliklerine, elektrik yal\u0131t\u0131m \u00f6zelliklerine ve \u00e7ok hafif bir nem emme e\u011filimine sahiptir.<\/p>\n

Suya dayan\u0131kl\u0131d\u0131r ve inorganik asitleri seyreltir, ancak konsantre s\u00fclf\u00fcrik asit gibi g\u00fc\u00e7l\u00fc oksitleyici asitler taraf\u0131ndan a\u015f\u0131nd\u0131r\u0131labilir ve baz\u0131 organik \u00e7\u00f6z\u00fcc\u00fclerde \u015fi\u015febilir ve deforme olabilir. Tipik b\u00fcz\u00fclme oranlar\u0131 0,4 ila 0,7% aras\u0131nda de\u011fi\u015fir.<\/p>\n

Enjeksiyon kal\u0131plama i\u015flemi ko\u015fullar\u0131.<\/strong><\/p>\n

Kurutma: Yanl\u0131\u015f depolanmad\u0131\u011f\u0131 s\u00fcrece normalde kurutma gerekmez. Kurutma gerekiyorsa, \u00f6nerilen kurutma ko\u015fullar\u0131 80\u00b0C ve 2 ila 3 saattir.<\/p>\n

Erime s\u0131cakl\u0131\u011f\u0131: <\/strong>180~280\u2103. Alev geciktirici malzemeler i\u00e7in \u00fcst s\u0131n\u0131r 250 \u2103'dir.<\/p>\n

Kal\u0131p s\u0131cakl\u0131\u011f\u0131:<\/strong> 40~50\u2103.<\/p>\n

Enjeksiyon bas\u0131nc\u0131:<\/strong> 200~600bar.<\/p>\n

Enjeksiyon h\u0131z\u0131:<\/strong> H\u0131zl\u0131 enjeksiyon h\u0131z\u0131 kullan\u0131lmas\u0131 tavsiye edilir.<\/p>\n

Ko\u015fucular ve kap\u0131lar: <\/strong>T\u00fcm geleneksel kap\u0131 tipleri kullan\u0131labilir.<\/p>\n

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

5. ABS enjeksiyon kal\u0131plama i\u015flemi<\/span><\/h2>\n

Tipik uygulama alanlar\u0131:<\/strong> otomobiller (g\u00f6sterge panelleri, alet kapaklar\u0131, jant kapaklar\u0131, reflekt\u00f6r kutular\u0131, vb.), buzdolaplar\u0131, b\u00fcy\u00fck g\u00fc\u00e7l\u00fc aletler (sa\u00e7 kurutma makineleri, kar\u0131\u015ft\u0131r\u0131c\u0131lar, g\u0131da i\u015flemcileri, \u00e7im bi\u00e7me makineleri, vb.<\/p>\n

Kimyasal ve fiziksel \u00f6zellikler:<\/strong> ABS \u00fc\u00e7 kimyasal monomerden sentezlenir: akrilonitril, b\u00fctadien ve stiren.<\/p>\n

Her monomer farkl\u0131 \u00f6zelliklere sahiptir:<\/strong> akrilonitril y\u00fcksek mukavemete ve termal ve kimyasal stabiliteye sahiptir; b\u00fctadien toklu\u011fa ve darbe direncine sahiptir; ve stiren kolay i\u015flenebilirli\u011fe, y\u00fcksek finisaja ve y\u00fcksek mukavemete sahiptir. Morfolojik olarak ABS kristal olmayan bir malzemedir.<\/p>\n

\u00dc\u00e7 monomerin polimerizasyonu iki fazl\u0131 bir terpolimer \u00fcretir; stiren-akrilonitrilden olu\u015fan s\u00fcrekli bir faz ve polib\u00fctadien kau\u00e7uktan olu\u015fan da\u011f\u0131n\u0131k bir faz.<\/p>\n

ABS'nin \u00f6zellikleri b\u00fcy\u00fck \u00f6l\u00e7\u00fcde \u00fc\u00e7 monomerin oran\u0131na ve iki fazdaki molek\u00fcler yap\u0131ya ba\u011fl\u0131d\u0131r.<\/p>\n

Bu, \u00fcr\u00fcn kal\u0131b\u0131 tasar\u0131m\u0131nda b\u00fcy\u00fck bir esneklik sa\u011flar ve piyasada y\u00fczlerce farkl\u0131 kalitede ABS malzemesinin bulunmas\u0131na neden olmu\u015ftur.<\/p>\n

Bu farkl\u0131 kaliteler, orta ila y\u00fcksek darbe direnci, d\u00fc\u015f\u00fck ila y\u00fcksek parlakl\u0131k ve y\u00fcksek s\u0131cakl\u0131kta bozulma \u00f6zellikleri gibi farkl\u0131 \u00f6zellikler sunar.<\/p>\n

ABS malzemeleri \u00fcst\u00fcn i\u015flenebilirlik, g\u00f6r\u00fcn\u00fcm, d\u00fc\u015f\u00fck s\u00fcnme ve m\u00fckemmel boyutsal kararl\u0131l\u0131k ve y\u00fcksek darbe dayan\u0131m\u0131 sunar.<\/p>\n

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

Enjeksiyon kal\u0131plama \u00fcretim s\u00fcreci ko\u015fullar\u0131.<\/p>\n

Kurutma i\u015flemi:<\/strong> ABS malzemesi higroskopiktir ve i\u015flenmeden \u00f6nce kurutma i\u015flemi gerektirir. Tavsiye edilen kurutma ko\u015fulu 80~90\u00b0C'de en az 2 saattir. Malzeme s\u0131cakl\u0131\u011f\u0131n\u0131n 0,1%'den d\u00fc\u015f\u00fck olmas\u0131 garanti edilmelidir.<\/p>\n

Erime s\u0131cakl\u0131\u011f\u0131: <\/strong>210~280\u2103; \u00f6nerilen s\u0131cakl\u0131k: 245\u2103.<\/p>\n

Kal\u0131p s\u0131cakl\u0131\u011f\u0131: <\/strong>25~70\u2103. (Kal\u0131p s\u0131cakl\u0131\u011f\u0131 plastik par\u00e7alar\u0131n y\u00fczeyini etkileyecektir, daha d\u00fc\u015f\u00fck bir s\u0131cakl\u0131k daha d\u00fc\u015f\u00fck bir y\u00fczeye yol a\u00e7acakt\u0131r).<\/p>\n

Enjeksiyon bas\u0131nc\u0131: <\/strong>500~1000bar.<\/p>\n

Enjeksiyon h\u0131z\u0131: <\/strong>orta ila y\u00fcksek h\u0131zda.<\/p>\n

\n

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Request a Free Quote \u2192<\/a> See our Injection Molding Complete Guide<\/a> for a comprehensive overview.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Enjeksiyon kal\u0131plama, plastiklerin performans\u0131na dayanan bir teknolojidir ve bu \u00f6zellikleri anlamak her enjeksiyon kal\u0131p\u00e7\u0131 i\u00e7in gereklidir. Proses \u00f6zelliklerine hakim olmak, \u00fcretimde ortaya \u00e7\u0131kan kalite sorunlar\u0131n\u0131 gidermeyi kolayla\u015ft\u0131r\u0131r - bu da zanaat\u0131n\u0131z\u0131 m\u00fckemmelle\u015ftirmenin ayr\u0131lmaz bir par\u00e7as\u0131d\u0131r. I. Polipropilen (PP) enjeksiyon kal\u0131plama i\u015flemi PP [...]<\/p>","protected":false},"author":1,"featured_media":53145,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Five general plastic injection molding process | ZetarMold","_seopress_titles_desc":"Explore the properties and applications of plastic injection molding process. ZetarMold helps you select the right plastic resin for your injection molding","_seopress_robots_index":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[42],"tags":[135],"meta_box":{"post-to-quiz_to":[]},"_links":{"self":[{"href":"https:\/\/zetarmold.com\/tr\/wp-json\/wp\/v2\/posts\/13749"}],"collection":[{"href":"https:\/\/zetarmold.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zetarmold.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zetarmold.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zetarmold.com\/tr\/wp-json\/wp\/v2\/comments?post=13749"}],"version-history":[{"count":0,"href":"https:\/\/zetarmold.com\/tr\/wp-json\/wp\/v2\/posts\/13749\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zetarmold.com\/tr\/wp-json\/wp\/v2\/media\/53145"}],"wp:attachment":[{"href":"https:\/\/zetarmold.com\/tr\/wp-json\/wp\/v2\/media?parent=13749"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zetarmold.com\/tr\/wp-json\/wp\/v2\/categories?post=13749"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zetarmold.com\/tr\/wp-json\/wp\/v2\/tags?post=13749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}