{"id":608,"date":"2018-10-17T00:17:44","date_gmt":"2018-10-16T16:17:44","guid":{"rendered":"https:\/\/plasticmoldco.com\/?p=608"},"modified":"2018-10-17T00:17:44","modified_gmt":"2018-10-16T16:17:44","slug":"chapter-23alternative-cooling-devices","status":"publish","type":"post","link":"https:\/\/www.plasticmoldco.com\/pl\/2018\/10\/17\/rozdzial-23alternatywne-urzadzenia-chlodzace\/","title":{"rendered":"Rozdzia\u0142 23, Alternatywne urz\u0105dzenia ch\u0142odz\u0105ce"},"content":{"rendered":"<h1>Co oni robi\u0105?<\/h1>\n<p>Przegrody i p\u0119cherzyki powietrza to sekcje przewod\u00f3w ch\u0142odz\u0105cych, kt\u00f3re kieruj\u0105 przep\u0142yw ch\u0142odziwa do obszar\u00f3w, kt\u00f3re normalnie nie by\u0142yby ch\u0142odzone. Kana\u0142y ch\u0142odz\u0105ce s\u0105 zazwyczaj wiercone przez gniazdo formy i rdze\u0144. Forma mo\u017ce jednak sk\u0142ada\u0107 si\u0119 z obszar\u00f3w zbyt odleg\u0142ych, aby pomie\u015bci\u0107 regularne kana\u0142y ch\u0142odz\u0105ce. Alternatywne metody ch\u0142odzenia tych obszar\u00f3w r\u00f3wnomiernie z reszt\u0105 cz\u0119\u015bci obejmuj\u0105 u\u017cycie przegr\u00f3d, p\u0119cherzyk\u00f3w powietrza lub ko\u0142k\u00f3w termicznych, jak pokazano poni\u017cej.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1261\" title=\"Baffles-and-bubblers\" src=\"https:\/\/web.archive.org\/web\/20130131111118im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Baffles-and-bubblers.gif\" alt=\"\" width=\"511\" height=\"185\" \/><\/p>\n<h3>RYSUNEK 1. Przegroda, be\u0142kot i ko\u0142ek termiczny<\/h3>\n<h1>Przegrody<\/h1>\n<p>Przegroda jest w rzeczywisto\u015bci kana\u0142em ch\u0142odz\u0105cym wywierconym prostopadle do g\u0142\u00f3wnej linii ch\u0142odz\u0105cej, z ostrzem, kt\u00f3re oddziela jeden kana\u0142 ch\u0142odz\u0105cy na dwa p\u00f3\u0142okr\u0105g\u0142e kana\u0142y. Ch\u0142odziwo przep\u0142ywa jedn\u0105 stron\u0105 \u0142opatki z g\u0142\u00f3wnej linii ch\u0142odzenia, obraca si\u0119 wok\u00f3\u0142 ko\u0144c\u00f3wki na drug\u0105 stron\u0119 przegrody, a nast\u0119pnie przep\u0142ywa z powrotem do g\u0142\u00f3wnej linii ch\u0142odzenia.<\/p>\n<p>Metoda ta zapewnia maksymalne przekroje dla ch\u0142odziwa, ale trudno jest zamontowa\u0107 rozdzielacz dok\u0142adnie w \u015brodku. Efekt ch\u0142odzenia, a wraz z nim rozk\u0142ad temperatury po jednej stronie rdzenia mo\u017ce r\u00f3\u017cni\u0107 si\u0119 od rozk\u0142adu po drugiej stronie. Ta wada ekonomicznego rozwi\u0105zania, je\u015bli chodzi o produkcj\u0119, mo\u017ce zosta\u0107 wyeliminowana, je\u015bli blacha tworz\u0105ca przegrod\u0119 jest skr\u0119cona. Na przyk\u0142ad przegroda spiralna, jak pokazano na rysunku 2 poni\u017cej, przenosi ch\u0142odziwo do ko\u0144c\u00f3wki i z powrotem w postaci spirali. Jest ona przydatna w przypadku \u015brednic od 12 do 50 mm i zapewnia bardzo jednorodny rozk\u0142ad temperatury. Innym logicznym rozwini\u0119ciem przegr\u00f3d s\u0105 rdzenie spiralne z pojedynczym lub podw\u00f3jnym przelotem, jak pokazano na rysunku 2 poni\u017cej.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1262\" title=\"Alternatywne urz\u0105dzenia ch\u0142odz\u0105ce\" src=\"https:\/\/web.archive.org\/web\/20130131111118im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Alternative-Cooling-Devices.gif\" alt=\"\" width=\"496\" height=\"205\" \/><\/p>\n<h3>(Po lewej) Przegroda spiralna. (Po prawej) Przegroda spiralna.<\/h3>\n<h1>Bubblery<\/h1>\n<p>Bubbler jest podobny do przegrody, z tym wyj\u0105tkiem, \u017ce ostrze jest zast\u0105pione ma\u0142\u0105 rurk\u0105. Ch\u0142odziwo wp\u0142ywa do dolnej cz\u0119\u015bci rurki i \"b\u0105belkuje\" z g\u00f3rnej cz\u0119\u015bci, podobnie jak w przypadku fontanny. Nast\u0119pnie ch\u0142odziwo sp\u0142ywa w d\u00f3\u0142 wok\u00f3\u0142 zewn\u0119trznej cz\u0119\u015bci rurki, aby kontynuowa\u0107 przep\u0142yw przez kana\u0142y ch\u0142odz\u0105ce.<\/p>\n<p>Najskuteczniejsze ch\u0142odzenie smuk\u0142ych rdzeni uzyskuje si\u0119 za pomoc\u0105 bubbler\u00f3w. \u015arednica obu musi by\u0107 dostosowana w taki spos\u00f3b, aby op\u00f3r przep\u0142ywu w obu przekrojach by\u0142 r\u00f3wny. Warunkiem tego jest:<\/p>\n<p>\u015arednica wewn\u0119trzna \/ \u015brednica zewn\u0119trzna = 0,707<\/p>\n<p>Bubblery s\u0105 dost\u0119pne w handlu i s\u0105 zwykle wkr\u0119cane w rdze\u0144, jak pokazano na rysunku 3 poni\u017cej. Rurki o \u015brednicy do 4 mm powinny by\u0107 \u015bci\u0119te na ko\u0144cu, aby zwi\u0119kszy\u0107 przekr\u00f3j wylotu; technik\u0119 t\u0119 zilustrowano na rysunku 3. Bubblery mog\u0105 by\u0107 u\u017cywane nie tylko do ch\u0142odzenia rdzenia, ale tak\u017ce do ch\u0142odzenia p\u0142askich sekcji formy, kt\u00f3re nie mog\u0105 by\u0107 wyposa\u017cone w wywiercone lub wyfrezowane kana\u0142y.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1263\" title=\"\u015arednica wewn\u0119trzna\" src=\"https:\/\/web.archive.org\/web\/20130131111118im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Inner-Diameter.gif\" alt=\"\" width=\"538\" height=\"221\" \/><\/p>\n<p>RYSUNEK 3. (Po lewej) Bubblery wkr\u0119cone w rdze\u0144. (Po prawej) Bubbler \u015bci\u0119ty w celu powi\u0119kszenia wylotu<\/p>\n<p><strong>UWAGA:<\/strong>\u00a0Poniewa\u017c zar\u00f3wno przegrody, jak i p\u0119cherzyki powietrza maj\u0105 zw\u0119\u017cone obszary przep\u0142ywu, op\u00f3r przep\u0142ywu wzrasta. Dlatego nale\u017cy zachowa\u0107 ostro\u017cno\u015b\u0107 przy projektowaniu rozmiaru tych urz\u0105dze\u0144. Zachowanie przep\u0142ywu i wymiany ciep\u0142a zar\u00f3wno dla przegr\u00f3d, jak i p\u0119cherzyk\u00f3w powietrza mo\u017cna \u0142atwo modelowa\u0107 i analizowa\u0107 za pomoc\u0105 analizy C-MOLD Cooling.<\/p>\n<h1>Styki termiczne<\/h1>\n<p>Ko\u0142ek termiczny jest alternatyw\u0105 dla przegr\u00f3d i p\u0119cherzyk\u00f3w powietrza. Jest to szczelny cylinder wype\u0142niony p\u0142ynem. P\u0142yn odparowuje, gdy pobiera ciep\u0142o ze stali narz\u0119dziowej i skrapla si\u0119, gdy uwalnia ciep\u0142o do ch\u0142odziwa, jak pokazano na rysunku 4. Wydajno\u015b\u0107 przenoszenia ciep\u0142a przez trzpie\u0144 termiczny jest prawie dziesi\u0119ciokrotnie wi\u0119ksza ni\u017c w przypadku rurki miedzianej. Aby zapewni\u0107 dobre przewodzenie ciep\u0142a, nale\u017cy unika\u0107 szczeliny powietrznej mi\u0119dzy ko\u0142kiem termicznym a form\u0105 lub wype\u0142ni\u0107 j\u0105 szczeliwem o wysokiej przewodno\u015bci.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1264\" title=\"Styki termiczne\" src=\"https:\/\/web.archive.org\/web\/20130131111118im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Thermal-pins.gif\" alt=\"\" width=\"443\" height=\"294\" \/><\/p>\n<h3>RYSUNEK 4. Efektywno\u015b\u0107 wymiany ciep\u0142a sworznia termicznego<\/h3>\n<h1>Ch\u0142odzenie smuk\u0142ych rdzeni<\/h1>\n<p>Je\u015bli \u015brednica lub szeroko\u015b\u0107 jest bardzo ma\u0142a (mniej ni\u017c 3 mm), mo\u017cliwe jest tylko ch\u0142odzenie powietrzem. Powietrze jest wdmuchiwane do rdzeni z zewn\u0105trz podczas otwierania formy lub przep\u0142ywa przez centralny otw\u00f3r od wewn\u0105trz, jak pokazano na rysunku 5. Ta procedura oczywi\u015bcie nie pozwala na utrzymanie dok\u0142adnej temperatury formy.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1265\" title=\"Rdzenie ch\u0142odz\u0105co-smuk\u0142e\" src=\"https:\/\/web.archive.org\/web\/20130131111118im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Cooling-slender-cores.gif\" alt=\"\" width=\"410\" height=\"224\" \/><\/p>\n<h3>RYSUNEK 5. Ch\u0142odzenie powietrzem smuk\u0142ego rdzenia<\/h3>\n<p>Lepsze ch\u0142odzenie smuk\u0142ych rdzeni (tych mierz\u0105cych mniej ni\u017c 5 mm) uzyskuje si\u0119 poprzez zastosowanie wk\u0142adek wykonanych z materia\u0142\u00f3w o wysokiej przewodno\u015bci cieplnej, takich jak mied\u017a lub materia\u0142y berylowo-miedziane. Technika ta zosta\u0142a zilustrowana na rysunku 6 poni\u017cej. Takie wk\u0142adki s\u0105 wciskane w rdze\u0144 i rozci\u0105gaj\u0105 si\u0119 wraz z podstaw\u0105, kt\u00f3ra ma tak du\u017cy przekr\u00f3j, jak to mo\u017cliwe, do kana\u0142u ch\u0142odz\u0105cego.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1266\" title=\"Ch\u0142odzenie powietrzem - smuk\u0142a konstrukcja\" src=\"https:\/\/web.archive.org\/web\/20130131111118im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Air-cooling-of-a-slender-co.gif\" alt=\"\" width=\"377\" height=\"223\" \/><\/p>\n<h3>RYSUNEK 6. Wykorzystanie materia\u0142u o wysokiej przewodno\u015bci cieplnej do ch\u0142odzenia smuk\u0142ego rdzenia<\/h3>\n<h1>Ch\u0142odzenie du\u017cych rdzeni<\/h1>\n<p>W przypadku du\u017cych \u015brednic rdzenia (40 mm i wi\u0119kszych) nale\u017cy zapewni\u0107 dodatni transport ch\u0142odziwa. Mo\u017cna to zrobi\u0107 za pomoc\u0105 wk\u0142adek, w kt\u00f3rych ch\u0142odziwo dociera do ko\u0144c\u00f3wki rdzenia przez centralny otw\u00f3r i jest prowadzone spiralnie do jego obwodu, a nast\u0119pnie mi\u0119dzy rdzeniem a wk\u0142adk\u0105 spiralnie do wylotu, jak pokazano na rysunku 7. Taka konstrukcja znacznie os\u0142abia rdze\u0144.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1267\" title=\"Ch\u0142odzenie du\u017cych rdzeni\" src=\"https:\/\/web.archive.org\/web\/20130131111118im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Cooling-large-cores.gif\" alt=\"\" width=\"394\" height=\"224\" \/><\/p>\n<h3>RYSUNEK 7. Zastosowanie spiralnej przegrody do ch\u0142odzenia du\u017cego rdzenia<\/h3>\n<h1>Rdzenie cylindr\u00f3w ch\u0142odz\u0105cych<\/h1>\n<p>Ch\u0142odzenie rdzeni cylindr\u00f3w i innych okr\u0105g\u0142ych cz\u0119\u015bci powinno odbywa\u0107 si\u0119 za pomoc\u0105 podw\u00f3jnej spirali, jak pokazano poni\u017cej. Ch\u0142odziwo przep\u0142ywa do ko\u0144c\u00f3wki rdzenia w jednej spirali i powraca w drugiej spirali. Ze wzgl\u0119d\u00f3w konstrukcyjnych grubo\u015b\u0107 \u015bcianki rdzenia powinna w tym przypadku wynosi\u0107 co najmniej 3 mm.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1268\" title=\"Rdzenie ch\u0142odz\u0105ce cylindry\" src=\"https:\/\/web.archive.org\/web\/20130131111118im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Cooling-cylinder-cores.gif\" alt=\"\" width=\"426\" height=\"201\" \/>RYSUNEK 8. Podw\u00f3jna spirala z centralnym be\u0142kotem<\/p>","protected":false},"excerpt":{"rendered":"<p>What do they do? Baffles and bubblers are sections of cooling lines that divert the coolant flow into areas that would normally lack cooling. Cooling channels are typically drilled through the mold cavity and core. The mold, however, may consist of areas too far away to accommodate regular cooling channels. Alternate methods for cooling these [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[15],"tags":[],"class_list":["post-608","post","type-post","status-publish","format-standard","hentry","category-mould-technology-blog-1"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Chapter 23,Alternative cooling devices - Plastic Mold | China Mold Maker<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.plasticmoldco.com\/pl\/2018\/10\/17\/bolum-23alternati\u0307f-sogutma-ci\u0307hazlari\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chapter 23,Alternative cooling devices - Plastic Mold | China Mold Maker\" \/>\n<meta property=\"og:description\" content=\"What do they do? Baffles and bubblers are sections of cooling lines that divert the coolant flow into areas that would normally lack cooling. Cooling channels are typically drilled through the mold cavity and core. The mold, however, may consist of areas too far away to accommodate regular cooling channels. Alternate methods for cooling these [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.plasticmoldco.com\/pl\/2018\/10\/17\/bolum-23alternati\u0307f-sogutma-ci\u0307hazlari\/\" \/>\n<meta property=\"og:site_name\" content=\"Plastic Mold | China Mold Maker\" \/>\n<meta property=\"article:published_time\" content=\"2018-10-16T16:17:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/web.archive.org\/web\/20130131111118im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Baffles-and-bubblers.gif\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napisane przez\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Szacowany czas czytania\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.plasticmoldco.com\/tr\/2018\/10\/17\/bolum-23alternati\u0307f-sogutma-ci\u0307hazlari\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/tr\/2018\/10\/17\/bolum-23alternati\u0307f-sogutma-ci\u0307hazlari\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\/\/www.plasticmoldco.com\/el\/#\/schema\/person\/8377d429cf711f79d68feec3e8648777\"},\"headline\":\"Chapter 23,Alternative cooling devices\",\"datePublished\":\"2018-10-16T16:17:44+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/tr\/2018\/10\/17\/bolum-23alternati\u0307f-sogutma-ci\u0307hazlari\/\"},\"wordCount\":865,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/el\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/tr\/2018\/10\/17\/bolum-23alternati\u0307f-sogutma-ci\u0307hazlari\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/web.archive.org\/web\/20130131111118im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Baffles-and-bubblers.gif\",\"articleSection\":[\"Mould Technology Blog 1\"],\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.plasticmoldco.com\/tr\/2018\/10\/17\/bolum-23alternati\u0307f-sogutma-ci\u0307hazlari\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.plasticmoldco.com\/tr\/2018\/10\/17\/bolum-23alternati\u0307f-sogutma-ci\u0307hazlari\/\",\"url\":\"https:\/\/www.plasticmoldco.com\/tr\/2018\/10\/17\/bolum-23alternati\u0307f-sogutma-ci\u0307hazlari\/\",\"name\":\"Chapter 23,Alternative cooling devices - Plastic Mold | China Mold Maker\",\"isPartOf\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/el\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/tr\/2018\/10\/17\/bolum-23alternati\u0307f-sogutma-ci\u0307hazlari\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/tr\/2018\/10\/17\/bolum-23alternati\u0307f-sogutma-ci\u0307hazlari\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/web.archive.org\/web\/20130131111118im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Baffles-and-bubblers.gif\",\"datePublished\":\"2018-10-16T16:17:44+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/tr\/2018\/10\/17\/bolum-23alternati\u0307f-sogutma-ci\u0307hazlari\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.plasticmoldco.com\/tr\/2018\/10\/17\/bolum-23alternati\u0307f-sogutma-ci\u0307hazlari\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"pl-PL\",\"@id\":\"https:\/\/www.plasticmoldco.com\/tr\/2018\/10\/17\/bolum-23alternati\u0307f-sogutma-ci\u0307hazlari\/#primaryimage\",\"url\":\"https:\/\/web.archive.org\/web\/20130131111118im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Baffles-and-bubblers.gif\",\"contentUrl\":\"https:\/\/web.archive.org\/web\/20130131111118im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Baffles-and-bubblers.gif\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.plasticmoldco.com\/tr\/2018\/10\/17\/bolum-23alternati\u0307f-sogutma-ci\u0307hazlari\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.plasticmoldco.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Chapter 23,Alternative cooling devices\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.plasticmoldco.com\/el\/#website\",\"url\":\"https:\/\/www.plasticmoldco.com\/el\/\",\"name\":\"Plastic Mold | China Mold Maker\",\"description\":\"Are you looking for injection mold china? 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