{"id":10741,"date":"2022-06-24T09:18:00","date_gmt":"2022-06-24T01:18:00","guid":{"rendered":"https:\/\/zetarmold.com\/?p=10741"},"modified":"2026-03-16T09:54:19","modified_gmt":"2026-03-16T01:54:19","slug":"seffaf-plasti%cc%87k-enjeksi%cc%87yon-kaliplama-i%cc%87slemi%cc%87","status":"publish","type":"post","link":"https:\/\/zetarmold.com\/tr\/seffaf-plasti%cc%87k-enjeksi%cc%87yon-kaliplama-i%cc%87slemi%cc%87\/","title":{"rendered":"\u015eeffaf plastik enjeksiyon kal\u0131plama i\u015fleminde s\u0131k kar\u015f\u0131la\u015f\u0131lan sorunlar"},"content":{"rendered":"

Enjeksiyon kal\u0131plama, erimi\u015f plasti\u011fi bir kal\u0131ba enjekte ederek plastik par\u00e7alar yapmak i\u00e7in kullan\u0131lan bir i\u015flemdir. Bu \u015feffaf plasti\u0307k enjeksi\u0307yon kaliplama<\/a> i\u015flemi, yar\u0131 saydam plastikten yap\u0131lmas\u0131 gereken \u00fcr\u00fcnleri yapmak i\u00e7in kullan\u0131l\u0131r.<\/strong><\/p>\n\n\n\n

Bu s\u00fcrecin bir\u00e7ok faydas\u0131 olsa da, baz\u0131 yayg\u0131n sorunlara da e\u011filimlidir. Bu blog yaz\u0131s\u0131nda, en yayg\u0131n sorunlardan baz\u0131lar\u0131n\u0131 inceleyecek ve bunlar\u0131n nas\u0131l \u00f6nlenebilece\u011fine dair ipu\u00e7lar\u0131 verece\u011fiz.<\/p>\n\n\n\n

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

\u015eeffaf Plastik Enjeksiyon Kal\u0131plama ile \u0130lgili Yayg\u0131n Sorunlar<\/span><\/h2>\n\n\n\n

Clear ile ilgili yayg\u0131n sorunlar plasti\u0307k enjeksi\u0307yon kaliplama<\/a> i\u015flemine \u00e7arp\u0131kl\u0131k, ezikler ve vakum bo\u015fluklar\u0131 dahildir.<\/p>\n\n\n\n

\u00c7arp\u0131lma, erimi\u015f plasti\u011fin e\u015fit olmayan \u015fekilde so\u011fumas\u0131ndan kaynaklan\u0131r ve bu da par\u00e7an\u0131n so\u011furken \u00e7arp\u0131lmas\u0131na neden olur.<\/p>\n\n\n\n

\u00c7ukurlar, erimi\u015f plasti\u011fin so\u011fuyup kat\u0131la\u015f\u0131rken b\u00fcz\u00fclmesinden kaynaklan\u0131r ve par\u00e7a y\u00fczeyinin \u00e7\u00f6kmesine neden olur.<\/p>\n\n\n\n

Vakum bo\u015fluklar\u0131, kal\u0131p bo\u015flu\u011funun tam olarak doldurulmamas\u0131 nedeniyle par\u00e7a i\u00e7inde olu\u015fan bo\u015fluklard\u0131r. Bo\u015fluklar\u0131n yayg\u0131n nedenleri aras\u0131nda yetersiz enjeksiyon bas\u0131nc\u0131, zay\u0131f malzeme ak\u0131\u015f\u0131 ve yetersiz dolgu bas\u0131nc\u0131 yer al\u0131r.<\/p>\n\n\n\n

Bu sorunlardan ka\u00e7\u0131nmak i\u00e7in, erimi\u015f plasti\u011fin malzeme s\u0131cakl\u0131\u011f\u0131 dikkatli bir \u015fekilde kontrol edilmelidir, b\u00f6ylece malzeme kal\u0131p bo\u015flu\u011fu boyunca e\u015fit olarak da\u011f\u0131t\u0131l\u0131r. Buna ek olarak, erimi\u015f plasti\u011fin kal\u0131p bo\u015flu\u011funu doldurmas\u0131n\u0131 sa\u011flamak i\u00e7in uygun paketleme bas\u0131nc\u0131 kullan\u0131lmal\u0131d\u0131r.<\/p>\n\n\n\n

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

<\/p>\n<\/div>\n<\/div>\n\n\n\n

Hammaddelerin haz\u0131rlanmas\u0131 ve kurutulmas\u0131<\/span><\/h2>\n\n\n\n

Plastikteki herhangi bir k\u00fc\u00e7\u00fck kirlilik \u00fcr\u00fcn\u00fcn \u015feffafl\u0131\u011f\u0131n\u0131 etkileyebilece\u011finden, hammaddelerin temiz olmas\u0131n\u0131 sa\u011flamak i\u00e7in depolama, nakliye ve doldurma i\u015flemlerinde s\u0131zd\u0131rmazl\u0131\u011fa dikkat edilmelidir.<\/p>\n\n\n\n

\u00d6zellikle hammadde nem i\u00e7erir, bu da hammaddenin \u0131s\u0131t\u0131ld\u0131ktan sonra bozulmas\u0131na neden olur, bu nedenle kurutulmas\u0131 gerekir.<\/p>\n\n\n\n

\u0130\u00e7inde enjeksiyon kal\u0131plama<\/a> i\u015fleminde, malzeme kuru bir hazne kullan\u0131larak eklenmelidir. Unutulmamas\u0131 gereken bir di\u011fer nokta ise kurutma i\u015flemi s\u0131ras\u0131nda giri\u015f havas\u0131n\u0131n hammaddeleri kirletmemesini sa\u011flamak i\u00e7in tercihen filtrelenmesi ve neminin al\u0131nmas\u0131 gerekti\u011fidir. Kurutma i\u015flemi, \u015feffaf plasti\u011fin kurutma i\u015flemi a\u015fa\u011f\u0131daki gibidir.<\/p>\n\n\n\n

Malzemeler<\/td>Kurutma s\u0131cakl\u0131\u011f\u0131 (\u2103)<\/td>Kuruma s\u00fcresi (saat)<\/td>Malzeme katman\u0131n\u0131n kal\u0131nl\u0131\u011f\u0131 (mm)<\/td>Not<\/td><\/tr>
PMMA<\/td>70\uff5e80<\/td>2\uff5e4<\/td>30\uff5e40<\/td><\/td><\/tr>
PC<\/td>120\uff5e130<\/td>>6<\/td><30<\/td>S\u0131cak hava sirk\u00fclasyonlu kurutmay\u0131 benimseyin<\/td><\/tr>
PET<\/td>140\uff5e180<\/td>3\uff5e4<\/td><\/td>S\u00fcrekli kurutma ve besleme cihaz\u0131 kullanmak daha iyidir<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Namlu, vida ve aksesuarlar temiz<\/span><\/h2>\n\n\n\n

Hammadde kontaminasyonunu \u00f6nlemek ve vida ve aksesuar depresyonunda eski malzeme veya kirlilikler, \u00f6zellikle mevcut re\u00e7inenin zay\u0131f termal stabilitesi vard\u0131r, bu nedenle kullan\u0131mdan \u00f6nce, kapatmadan sonra par\u00e7alar\u0131 temizlemek i\u00e7in vida temizleme maddesi olmal\u0131d\u0131r, b\u00f6ylece kirliliklere yap\u0131\u015fmaz, vida temizleme maddesi olmad\u0131\u011f\u0131nda, viday\u0131 temizlemek i\u00e7in mevcut PE, PS ve di\u011fer re\u00e7ineler.<\/p>\n\n\n\n

Ge\u00e7ici olarak durduruldu\u011funda, hammaddelerin uzun s\u00fcre y\u00fcksek s\u0131cakl\u0131kta kalarak \u00e7\u00f6zeltinin d\u00fc\u015fmesine neden olmas\u0131n\u0131 \u00f6nlemek i\u00e7in kurutucu ve varil s\u0131cakl\u0131\u011f\u0131 d\u00fc\u015f\u00fcr\u00fclmelidir, \u00f6rne\u011fin PC, PMMA ve di\u011fer varil s\u0131cakl\u0131klar\u0131 160 \u2103 veya alt\u0131na d\u00fc\u015f\u00fcr\u00fclmelidir (PC i\u00e7in hazne s\u0131cakl\u0131\u011f\u0131 100 \u2103 veya alt\u0131na d\u00fc\u015f\u00fcr\u00fclmelidir). <\/p>\n\n\n\n

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

Kal\u0131p tasar\u0131m\u0131 ve \u00fcr\u00fcn tasar\u0131m\u0131nda dikkat edilmesi gereken hususlar<\/span><\/h2>\n\n\n\n

Zay\u0131f d\u00f6n\u00fc\u015f eriyi\u011fi ak\u0131\u015f\u0131n\u0131 veya zay\u0131f eriyi\u011fe neden olan d\u00fczensiz so\u011futmay\u0131 \u00f6nlemek i\u00e7in plasti\u0307k kaliplama \u00fcreti\u0307mi\u0307<\/a>kal\u0131p y\u00fczey kusurlar\u0131 ve bozulma gibi durumlarda, kal\u0131p tasar\u0131m\u0131nda genel olarak a\u015fa\u011f\u0131daki hususlara dikkat edilmelidir.<\/p>\n\n\n\n

a) Duvar kal\u0131nl\u0131\u011f\u0131 m\u00fcmk\u00fcn oldu\u011funca e\u015fit olmal\u0131 ve serbest b\u0131rakma e\u011fimi yeterince b\u00fcy\u00fck olmal\u0131d\u0131r.<\/p>\n\n\n\n

b) Ge\u00e7i\u015f k\u0131sm\u0131 yuvarlat\u0131lm\u0131\u015f ve p\u00fcr\u00fczs\u00fcz olmal\u0131 ve \u00f6zellikle bo\u015fluk olmamas\u0131 gereken PC \u00fcr\u00fcnlerinde keskin k\u00f6\u015felerin ve keskin kenarlar\u0131n ortaya \u00e7\u0131kmas\u0131n\u0131 \u00f6nlemek i\u00e7in kademeli olarak ge\u00e7i\u015f yap\u0131lmal\u0131d\u0131r.<\/p>\n\n\n\n

c) Kap\u0131 ve yolluk m\u00fcmk\u00fcn oldu\u011funca geni\u015f ve k\u0131sa olmal\u0131, kap\u0131n\u0131n konumu b\u00fcz\u00fclme yo\u011fu\u015fma s\u00fcrecine g\u00f6re ayarlanmal\u0131 ve gerekirse so\u011fuk malzeme kuyusu eklenmelidir.<\/p>\n\n\n\n

d) Kal\u0131p y\u00fczeyi d\u00fc\u015f\u00fck p\u00fcr\u00fczl\u00fcl\u00fckte (tercihen 0,8'in alt\u0131nda) parlak ve temiz olmal\u0131d\u0131r.<\/p>\n\n\n\n

e) Havaland\u0131rma delikleri: Yuva, eriyik i\u00e7indeki havay\u0131 ve gaz\u0131 zaman\u0131nda tahliye etmek i\u00e7in yeterli olmal\u0131d\u0131r.<\/p>\n\n\n\n

f) PET hari\u00e7, et kal\u0131nl\u0131\u011f\u0131 \u00e7ok ince olmamal\u0131, genellikle 1 mm'den az olmamal\u0131d\u0131r.<\/p>\n\n\n\n

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

\u0130\u00e7 gerilimi ve y\u00fczey kalitesi kusurlar\u0131n\u0131 azaltmak i\u00e7in a\u015fa\u011f\u0131daki hususlara dikkat edilmelidir enjeksiyon kal\u0131plama <\/a>s\u00fcre\u00e7<\/strong><\/p>\n\n\n\n

\u00d6zel bir vida<\/span><\/h3>\n\n\n\n

\u00d6zel bir vidaya ve ayr\u0131 bir s\u0131cakl\u0131k kontrol noz\u00fcl\u00fcne sahip bir enjeksiyon kal\u0131plama makinesi se\u00e7ilmelidir.<\/p>\n\n\n\n

Enjeksiyon s\u0131cakl\u0131\u011f\u0131<\/span><\/h3>\n\n\n\n

Enjeksiyon s\u0131cakl\u0131\u011f\u0131, plastik re\u00e7inenin ayr\u0131\u015fmad\u0131\u011f\u0131 varsay\u0131m\u0131yla daha y\u00fcksek enjeksiyon nemi i\u00e7in uygundur.<\/p>\n\n\n\n

Enjeksiyon bas\u0131nc\u0131<\/span><\/h3>\n\n\n\n

Genellikle y\u00fcksek eriyik viskozitesinin kal\u0131plama kusurlar\u0131n\u0131n \u00fcstesinden gelmek i\u00e7in daha y\u00fcksektir, ancak a\u015f\u0131r\u0131 enjeksiyon bas\u0131nc\u0131 \u00e7ok y\u00fcksektir, zor sal\u0131n\u0131m ve deformasyonun neden oldu\u011fu i\u00e7 stres \u00fcretecektir.<\/p>\n\n\n\n

Enjeksiyon h\u0131z\u0131<\/span><\/h3>\n\n\n\n

Kal\u0131p dolumunun kar\u015f\u0131lanmas\u0131 durumunda, genellikle d\u00fc\u015f\u00fck olmas\u0131 arzu edilir ve en iyisi yava\u015f ve h\u0131zl\u0131 \u00e7ok a\u015famal\u0131 enjeksiyon kullanmakt\u0131r.<\/p>\n\n\n\n

Bas\u0131n\u00e7 tutma s\u00fcresi ve kal\u0131plama d\u00f6ng\u00fcs\u00fc<\/span><\/h3>\n\n\n\n

\u00dcr\u00fcn dolumunu kar\u015f\u0131lamak ve \u00e7\u00f6k\u00fcnt\u00fcler ve kabarc\u0131klar \u00fcretmemek durumunda, eriyi\u011fin varil i\u00e7inde kalma s\u00fcresini en aza indirmek i\u00e7in m\u00fcmk\u00fcn oldu\u011funca k\u0131sa tutulmas\u0131 tavsiye edilir.<\/p>\n\n\n\n

Vida h\u0131z\u0131 ve geri bas\u0131n\u00e7<\/span><\/h3>\n\n\n\n

Plastikle\u015ftirme kalitesinin kar\u015f\u0131lanmas\u0131 \u00f6nc\u00fcl\u00fc\u011f\u00fcnde, dekompresyon olas\u0131l\u0131\u011f\u0131n\u0131 \u00f6nlemek i\u00e7in m\u00fcmk\u00fcn oldu\u011funca d\u00fc\u015f\u00fck olmal\u0131d\u0131r.<\/p>\n\n\n\n

Kal\u0131p s\u0131cakl\u0131\u011f\u0131<\/span><\/h3>\n\n\n\n

\u00dcr\u00fcn\u00fcn so\u011futulmas\u0131 iyi veya k\u00f6t\u00fcd\u00fcr, etkinin kalitesi b\u00fcy\u00fckt\u00fcr, bu nedenle eriyik s\u0131cakl\u0131\u011f\u0131 enjeksiyon s\u00fcrecini do\u011fru bir \u015fekilde kontrol edebilmelidir, m\u00fcmk\u00fcnse kal\u0131p s\u0131cakl\u0131\u011f\u0131 daha y\u00fcksek olmal\u0131d\u0131r.<\/p>\n\n\n\n

Di\u011fer hususlar<\/span><\/h3>\n\n\n\n

\u00dcst y\u00fczeyin kalitesinin bozulmas\u0131n\u0131 \u00f6nlemek i\u00e7in, genellikle m\u00fcmk\u00fcn oldu\u011funca az kal\u0131p ay\u0131r\u0131c\u0131 madde ile enjeksiyon kal\u0131plama; yeniden kullan\u0131lan plastik malzeme kullan\u0131l\u0131rken 20%'den fazla olmamal\u0131d\u0131r. <\/p>\n\n\n\n

PET d\u0131\u015f\u0131ndaki \u00fcr\u00fcnler i\u00e7in, \u00fcr\u00fcnler i\u00e7 gerilimi ortadan kald\u0131rmak i\u00e7in son i\u015flemden ge\u00e7irilmelidir, PMMA 4 saat boyunca 70-80t s\u0131cak hava d\u00f6ng\u00fcs\u00fcnde kurutulmal\u0131d\u0131r; PC temiz hava, gliserin, s\u0131v\u0131 parafin vb. i\u00e7inde \u0131s\u0131t\u0131lmal\u0131d\u0131r. 110-135\u2103.<\/p>\n\n\n\n

S\u00fcre \u00fcr\u00fcne ba\u011fl\u0131d\u0131r, en y\u00fcksek ihtiya\u00e7 10 saatten fazlad\u0131r. Ve PET, iyi mekanik \u00f6zellikler elde etmek i\u00e7in \u00e7ift y\u00f6nl\u00fc germe i\u015fleminden ge\u00e7melidir.<\/p>\n\n\n\n

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

\u00d6zet<\/span><\/h2>\n\n\n\n

\u015eeffaf plastiklerin y\u00fcksek \u0131\u015f\u0131k ge\u00e7irgenlik oran\u0131 nedeniyle, plastik \u00fcr\u00fcnlerin y\u00fczey kalitesinin s\u0131k\u0131 olmas\u0131 ve beneklenme, g\u00f6zeneklilik, beyazlama, pus, siyah noktalar, renk de\u011fi\u015fikli\u011fi, zay\u0131f y\u00fczey parlakl\u0131\u011f\u0131 vb. gibi kusurlara sahip olmamas\u0131 ka\u00e7\u0131n\u0131lmazd\u0131r.<\/p>\n\n\n\n

Bu nedenle, t\u00fcm enjeksiyon kal\u0131plama \u00fcretimi<\/a> S\u00fcre\u00e7, hammaddeler, ekipmanlar, kal\u0131plar ve hatta \u00fcr\u00fcn tasar\u0131m\u0131 i\u00e7in kat\u0131 ve hatta \u00f6zel gereksinimlere b\u00fcy\u00fck \u00f6nem vermeli ve bunlar\u0131 ortaya koymal\u0131d\u0131r.<\/p>\n\n\n\n

\u0130kinci olarak, \u015feffaf plastik \u00e7o\u011funlukla y\u00fcksek erime noktas\u0131 ve zay\u0131f likidite oldu\u011fundan, \u00fcr\u00fcn\u00fcn y\u00fczey kalitesini sa\u011flamak i\u00e7in genellikle daha y\u00fcksek s\u0131cakl\u0131k, enjeksiyon bas\u0131nc\u0131, enjeksiyon h\u0131z\u0131 ve di\u011fer i\u015flem parametrelerine ihtiya\u00e7 duyar, b\u00f6ylece enjeksiyon plasti\u011fi kal\u0131pla doldurulabilir ve i\u00e7 gerilim \u00fcretmez ve \u00fcr\u00fcn deformasyonuna ve \u00e7atlamas\u0131na neden olmaz. <\/p>\n\n\n\n

Bu nedenle, ham plastik malzemelerin, ekipmanlar\u0131n ve kal\u0131p gereksinimlerinin haz\u0131rlanmas\u0131ndan enjeksiyon kal\u0131plama<\/a> hammaddelerin \u00e7e\u015fitli y\u00f6nlerden i\u015flenmesi ve \u00fcr\u00fcn haline getirilmesi s\u0131k\u0131 bir \u015fekilde i\u015fletilmelidir.<\/p>","protected":false},"excerpt":{"rendered":"

Enjeksiyon kal\u0131plama, erimi\u015f plasti\u011fi bir kal\u0131ba enjekte ederek plastik par\u00e7alar yapmak i\u00e7in kullan\u0131lan bir i\u015flemdir. \u015eeffaf plastik enjeksiyon kal\u0131plama i\u015flemi, yar\u0131 saydam plastikten yap\u0131lmas\u0131 gereken \u00fcr\u00fcnleri yapmak i\u00e7in kullan\u0131l\u0131r. Bu s\u00fcrecin bir\u00e7ok faydas\u0131 olsa da, baz\u0131 yayg\u0131n sorunlara da e\u011filimlidir. Bu blog yaz\u0131s\u0131nda, [...]<\/p>","protected":false},"author":1,"featured_media":7460,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Common problems with transparent plastic injection | ZetarMold","_seopress_titles_desc":"Explore the properties and applications of transparent plastic injection molding process. ZetarMold helps you select the right plastic resin for your injection","_seopress_robots_index":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[42],"tags":[],"meta_box":{"post-to-quiz_to":[]},"_links":{"self":[{"href":"https:\/\/zetarmold.com\/tr\/wp-json\/wp\/v2\/posts\/10741"}],"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=10741"}],"version-history":[{"count":0,"href":"https:\/\/zetarmold.com\/tr\/wp-json\/wp\/v2\/posts\/10741\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zetarmold.com\/tr\/wp-json\/wp\/v2\/media\/7460"}],"wp:attachment":[{"href":"https:\/\/zetarmold.com\/tr\/wp-json\/wp\/v2\/media?parent=10741"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zetarmold.com\/tr\/wp-json\/wp\/v2\/categories?post=10741"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zetarmold.com\/tr\/wp-json\/wp\/v2\/tags?post=10741"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}