{
    "id": 765,
    "date": "2025-12-23T11:51:45",
    "date_gmt": "2025-12-23T11:51:45",
    "guid": {
        "rendered": "http:\/\/www.steelinvestmentcasting.com\/?p=765"
    },
    "modified": "2025-12-18T11:21:23",
    "modified_gmt": "2025-12-18T11:21:23",
    "slug": "a-glossary-of-investment-casting-terms-from-sprue-to-shell-building",
    "status": "publish",
    "type": "post",
    "link": "http:\/\/www.steelinvestmentcasting.com\/da\/?p=765",
    "title": {
        "rendered": "En ordliste med termer inden for investeringsst\u00f8bning: Fra st\u00f8beindl\u00f8b til skalbygning."
    },
    "content": {
        "rendered": "<div class=\"woocommerce columns-4\"><div class=\"woocommerce-notices-wrapper\"><\/div><p class=\"woocommerce-result-count\" role=\"status\" aria-relevant=\"all\" >\n\tViser 1&ndash;4 af 247 resultater<\/p>\n<form class=\"woocommerce-ordering\" method=\"get\" action=\"\" data-trp-original-action=\"\">\n\t\t<select\n\t\tname=\"orderby\"\n\t\tclass=\"orderby\"\n\t\t\t\t\taria-label=\"Webshop ordre\" data-no-translation-aria-label=\"\"\n\t\t\t>\n\t\t\t\t\t<option value=\"menu_order\"  selected='selected' data-no-translation=\"\" data-trp-gettext=\"\">Standardsortering<\/option>\n\t\t\t\t\t<option value=\"popularity\" data-no-translation=\"\" data-trp-gettext=\"\" >Sort\u00e9r efter popularitet<\/option>\n\t\t\t\t\t<option value=\"rating\" data-no-translation=\"\" data-trp-gettext=\"\" >Sort\u00e9r efter gennemsnitlig bed\u00f8mmelse<\/option>\n\t\t\t\t\t<option value=\"date\" data-no-translation=\"\" data-trp-gettext=\"\" >Sort\u00e9r efter nyeste<\/option>\n\t\t\t\t\t<option value=\"price\" data-no-translation=\"\" data-trp-gettext=\"\" >Sort\u00e9r efter pris: lav til h\u00f8j<\/option>\n\t\t\t\t\t<option value=\"price-desc\" data-no-translation=\"\" data-trp-gettext=\"\" >Sort\u00e9r efter pris: h\u00f8j til lav<\/option>\n\t\t\t<\/select>\n\t<input type=\"hidden\" name=\"paged\" value=\"1\" \/>\n\t<input type=\"hidden\" name=\"rest_route\" value=\"\/wp\/v2\/posts\/765\" \/><input type=\"hidden\" name=\"trp-form-language\" value=\"da\"\/><input type=\"hidden\" name=\"trp-form-language\" value=\"da\"\/><\/form>\n<ul class=\"products columns-4\">\n<li class=\"product type-product post-295 status-publish first outofstock product_cat-uncategorized has-post-thumbnail shipping-taxable purchasable product-type-simple\">\n\t<a href=\"http:\/\/www.steelinvestmentcasting.com\/da\/?product=carbon-steel-precision-shaft-with-cnc-machining\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"http:\/\/www.steelinvestmentcasting.com\/wp-content\/uploads\/2025\/10\/carbon-steel-precision-shaft-with-cnc-machining-dr210--300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Carbon Steel Precision Shaft with CNC Machining\" srcset=\"http:\/\/www.steelinvestmentcasting.com\/wp-content\/uploads\/2025\/10\/carbon-steel-precision-shaft-with-cnc-machining-dr210--300x300.jpg 300w, http:\/\/www.steelinvestmentcasting.com\/wp-content\/uploads\/2025\/10\/carbon-steel-precision-shaft-with-cnc-machining-dr210--100x100.jpg 100w, http:\/\/www.steelinvestmentcasting.com\/wp-content\/uploads\/2025\/10\/carbon-steel-precision-shaft-with-cnc-machining-dr210--150x150.jpg 150w, http:\/\/www.steelinvestmentcasting.com\/wp-content\/uploads\/2025\/10\/carbon-steel-precision-shaft-with-cnc-machining-dr210-.jpg 356w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><h2 class=\"woocommerce-loop-product__title\">Pr\u00e6cisionsaksel i kulstofst\u00e5l med CNC-bearbejdning<\/h2>\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">\u00a5<\/span>1.55<\/bdi><\/span><\/span>\n<\/a><a href=\"http:\/\/www.steelinvestmentcasting.com\/da\/?product=carbon-steel-precision-shaft-with-cnc-machining\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_295\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"295\" data-product_sku=\"\" aria-label=\"L\u00e6s mere om \u201cCarbon Steel Precision Shaft with CNC Machining\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">L\u00e6s mere<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_295\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n<\/li>\n<li class=\"product type-product post-238 status-publish outofstock product_cat-uncategorized has-post-thumbnail shipping-taxable purchasable product-type-simple\">\n\t<a href=\"http:\/\/www.steelinvestmentcasting.com\/da\/?product=stainless-steel-precision-casting-parts-3\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"271\" height=\"213\" src=\"http:\/\/www.steelinvestmentcasting.com\/wp-content\/uploads\/2025\/10\/stainless-steel-precision-casting-parts-2.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Stainless Steel Precision Casting Parts\" \/><h2 class=\"woocommerce-loop-product__title\">Pr\u00e6cisionsst\u00f8bning af rustfrit st\u00e5l<\/h2>\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">\u00a5<\/span>1.00<\/bdi><\/span><\/span>\n<\/a><a href=\"http:\/\/www.steelinvestmentcasting.com\/da\/?product=stainless-steel-precision-casting-parts-3\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_238\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"238\" data-product_sku=\"\" aria-label=\"L\u00e6s mere om \u201cStainless Steel Precision Casting Parts\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">L\u00e6s mere<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_238\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n<\/li>\n<li class=\"product type-product post-160 status-publish outofstock product_cat-uncategorized product_cat-valves has-post-thumbnail shipping-taxable purchasable product-type-simple\">\n\t<a href=\"http:\/\/www.steelinvestmentcasting.com\/da\/?product=cnc-machining-brass-parts-tontel-43\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"http:\/\/www.steelinvestmentcasting.com\/wp-content\/uploads\/2025\/10\/cnc-machining-brass-parts-tontel-43--300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"CNC Machining Brass Parts (Tontel-43)\" srcset=\"http:\/\/www.steelinvestmentcasting.com\/wp-content\/uploads\/2025\/10\/cnc-machining-brass-parts-tontel-43--300x300.jpg 300w, http:\/\/www.steelinvestmentcasting.com\/wp-content\/uploads\/2025\/10\/cnc-machining-brass-parts-tontel-43--100x100.jpg 100w, http:\/\/www.steelinvestmentcasting.com\/wp-content\/uploads\/2025\/10\/cnc-machining-brass-parts-tontel-43--150x150.jpg 150w, http:\/\/www.steelinvestmentcasting.com\/wp-content\/uploads\/2025\/10\/cnc-machining-brass-parts-tontel-43-.jpg 396w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><h2 class=\"woocommerce-loop-product__title\">CNC-bearbejdning af messingdele (Tontel-43)<\/h2>\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">\u00a5<\/span>10.00<\/bdi><\/span><\/span>\n<\/a><a href=\"http:\/\/www.steelinvestmentcasting.com\/da\/?product=cnc-machining-brass-parts-tontel-43\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_160\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"160\" data-product_sku=\"\" aria-label=\"L\u00e6s mere om \u201cCNC Machining Brass Parts (Tontel-43)\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">L\u00e6s mere<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_160\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n<\/li>\n<li class=\"product type-product post-361 status-publish last outofstock product_cat-uncategorized product_cat-valves has-post-thumbnail shipping-taxable purchasable product-type-simple\">\n\t<a href=\"http:\/\/www.steelinvestmentcasting.com\/da\/?product=valves-parts-cnc-machining-parts-carbon-steel-part-precision-casting-machining-stainless-steel-parts-manufacturer-in-china\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"http:\/\/www.steelinvestmentcasting.com\/wp-content\/uploads\/2025\/10\/valves-parts-cnc-machining-parts-carbon-steel-part-precision-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Valves Parts, CNC Machining Parts Carbon Steel Part, Precision Casting Machining Stainless Steel Parts Manufacturer in China\" srcset=\"http:\/\/www.steelinvestmentcasting.com\/wp-content\/uploads\/2025\/10\/valves-parts-cnc-machining-parts-carbon-steel-part-precision-300x300.jpg 300w, http:\/\/www.steelinvestmentcasting.com\/wp-content\/uploads\/2025\/10\/valves-parts-cnc-machining-parts-carbon-steel-part-precision-100x100.jpg 100w, http:\/\/www.steelinvestmentcasting.com\/wp-content\/uploads\/2025\/10\/valves-parts-cnc-machining-parts-carbon-steel-part-precision-150x150.jpg 150w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><h2 class=\"woocommerce-loop-product__title\">Ventildele, CNC-bearbejdningsdele, kulstofst\u00e5ldel, pr\u00e6cisionsst\u00f8bning, rustfrit st\u00e5ldele, producent i Kina<\/h2>\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">\u00a5<\/span>10.00<\/bdi><\/span><\/span>\n<\/a><a href=\"http:\/\/www.steelinvestmentcasting.com\/da\/?product=valves-parts-cnc-machining-parts-carbon-steel-part-precision-casting-machining-stainless-steel-parts-manufacturer-in-china\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_361\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"361\" data-product_sku=\"\" aria-label=\"L\u00e6s mere om \u201cValves Parts, CNC Machining Parts Carbon Steel Part, Precision Casting Machining Stainless Steel Parts Manufacturer in China\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">L\u00e6s mere<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_361\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n<\/li>\n<\/ul>\n<nav class=\"woocommerce-pagination\" aria-label=\"Vare paginering\" data-no-translation-aria-label=\"\">\n\t<ul class='page-numbers'>\n\t<li><span aria-label=\"Side 1\" aria-current=\"page\" class=\"page-numbers current\" data-no-translation-aria-label=\"\">1<\/span><\/li>\n\t<li><a aria-label=\"Side 2\" class=\"page-numbers\" href=\"\/da\/index.php?rest_route=%2Fwp%2Fv2%2Fposts%2F765&#038;product-page=2\" data-no-translation-aria-label=\"\">2<\/a><\/li>\n\t<li><a aria-label=\"Side 3\" class=\"page-numbers\" href=\"\/da\/index.php?rest_route=%2Fwp%2Fv2%2Fposts%2F765&#038;product-page=3\" data-no-translation-aria-label=\"\">3<\/a><\/li>\n\t<li><a aria-label=\"Side 4\" class=\"page-numbers\" href=\"\/da\/index.php?rest_route=%2Fwp%2Fv2%2Fposts%2F765&#038;product-page=4\" data-no-translation-aria-label=\"\">4<\/a><\/li>\n\t<li><span class=\"page-numbers dots\">...<\/span><\/li>\n\t<li><a aria-label=\"Side 60\" class=\"page-numbers\" href=\"\/da\/index.php?rest_route=%2Fwp%2Fv2%2Fposts%2F765&#038;product-page=60\" data-no-translation-aria-label=\"\">60<\/a><\/li>\n\t<li><a aria-label=\"Side 61\" class=\"page-numbers\" href=\"\/da\/index.php?rest_route=%2Fwp%2Fv2%2Fposts%2F765&#038;product-page=61\" data-no-translation-aria-label=\"\">61<\/a><\/li>\n\t<li><a aria-label=\"Side 62\" class=\"page-numbers\" href=\"\/da\/index.php?rest_route=%2Fwp%2Fv2%2Fposts%2F765&#038;product-page=62\" data-no-translation-aria-label=\"\">62<\/a><\/li>\n\t<li><a class=\"next page-numbers\" href=\"\/da\/index.php?rest_route=%2Fwp%2Fv2%2Fposts%2F765&#038;product-page=2\">\u00e2\u2020&apos;<\/a><\/li>\n<\/ul>\n<\/nav>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">At kende sproget handler ikke kun om at lyde smart \u2013 det handler om at kommunikere effektivt med dit st\u00f8beri, opdage potentielle problemer tidligt og forst\u00e5 de detaljerede tilbud og procesark, de sender dig.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lad os opbygge en praktisk, fungerende ordliste. Jeg vil fokusere p\u00e5 de termer, du <em>rent faktisk<\/em> h\u00f8rer p\u00e5 v\u00e6rkstedet og ser i tekniske dokumenter, og springer det alt for akademiske over.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>St\u00f8berigulvets leksikon: En praktikervejledning<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Montering (eller \"tr\u00e6montering\")<\/strong><br>Processen med at svejse flere voksm\u00f8nstre p\u00e5 en central voksstilk (indl\u00f8bet) for at Skab et \"tr\u00e6\" eller en \"klynge\". S\u00e5dan st\u00f8bes flere dele i en enkelt ovnst\u00f8bning. <em>Min erfaring er, at den m\u00e5de, et tr\u00e6 samles p\u00e5 \u2013 vinklerne og afstanden \u2013 direkte p\u00e5virker udbyttet p\u00e5 grund af varmefordelingen under st\u00f8rkning.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Udbr\u00e6nding<\/strong><br>Ovncyklussen ved h\u00f8j temperatur, hvor det investerede vokstr\u00e6 smeltes og fordampes ud af den keramiske skal, hvilket efterlader et hult, pr\u00e6cist hulrum. Det er et kritisk trin; for hurtigt, og skallen kan revne p\u00e5 grund af termisk chok.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kappe og modstand<\/strong><br>Udtryk l\u00e5nt fra sandst\u00f8bning, men brugt i investeringsst\u00f8bning til at henvise til <strong>\u00f8verste halvdel (kappe)<\/strong> og <strong>nederste halvdel (modstand)<\/strong> af den todelte st\u00f8beform, der bruges til at producere selve voksm\u00f8nstrene. Uoverensstemmelse her for\u00e5rsager skillelinjeflash p\u00e5 din voks, hvilket kan overs\u00e6ttes til flash p\u00e5 din metaldel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kerne (keramisk kerne)<\/strong><br>En pr\u00e6formet, sintret keramisk indsats placeret inde i voksindspr\u00f8jtningsdysen. Den bliver indkapslet i voks og derefter i skallen, hvilket skaber <strong>interne passager<\/strong> i den endelige st\u00f8bning (f.eks. k\u00f8lekanaler i et turbineblad). <em>Disse er ingeni\u00f8rvidundere i sig selv og en v\u00e6sentlig omkostningsdriver. Design til nem fjernelse af kernen (via udvaskning) er en hel subspecialitet.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Afvoksning<\/strong><br>Det indledende trin ved lavere temperatur til at fjerne st\u00f8rstedelen af \u200b\u200bvoksen fra skallen, normalt via dampautoklave. Det efterf\u00f8lges af h\u00f8jtemperatur <strong>udbr\u00e6nding<\/strong>. Hvis dette g\u00f8res forkert, kan det f\u00f8re til revner i skallen eller \"vorter\" fra voksens ekspansion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Port<\/strong><br>Det kontrollerede forbindelsespunkt, hvor voksm\u00f8nsteret er fastgjort til indl\u00f8bet. Det bliver den kanal, hvorigennem smeltet metal kommer ind i delhulrummet. <strong>Design af porte er mere kunst end videnskab<\/strong>\u2013 det styrer fyldningshastighed, retningsbestemt st\u00f8rkning og er det sidste sted, hvor det st\u00f8rkner (f\u00f8dekrympning). Hvor de afsk\u00e6res, efterlader det et \"portar\", der ofte skal slibes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Investering<\/strong><br>Verbet <em>og<\/em> substantivet. Det betyder handlingen med at opbygge den keramiske skal omkring vokskonstruktionen. <strong>investeringen<\/strong> er ogs\u00e5 navnet p\u00e5 selve det keramiske opsl\u00e6mningsmateriale (en blanding af ildfaste materialer som silica, zircon og et bindemiddel).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>M\u00f8nster (voksm\u00f8nster)<\/strong><br>Replikaen af \u200b\u200bdin endelige del, lavet af spr\u00f8jtest\u00f8bt voks eller (mindre almindeligt) 3D-printet polymer. <strong>Dette er kernen i processen.<\/strong> Dens dimensionsn\u00f8jagtighed og overfladefinish dikterer direkte kvaliteten af \u200b\u200bden endelige st\u00f8bning. Der findes forskellige vokser til forskellige behov: fyldt voks for stabilitet, voks med lavt askeindhold til superlegeringer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>H\u00e6ldning\/St\u00f8bning<\/strong><br>Sandhedens \u00f8jeblik. Den br\u00e6ndte skal (nu en keramisk form) fyldes med smeltet metal. Det kan g\u00f8res i luft (for st\u00e5l), under vakuum eller i en kontrolleret atmosf\u00e6re (for reaktive legeringer som titanium). <strong>H\u00e6ldetemperaturen<\/strong> er kritisk - et par grader kan betyde god fyldning eller koldlukning.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Stigr\u00f8r (eller \"f\u00f8der\")<\/strong><br>Et reservoir med ekstra metal, der er fastgjort til voksm\u00f8nsteret via en port. Det er ikke en del af den endelige komponent. Dets eneste opgave er at f\u00f8re flydende metal ind i st\u00f8begodset, n\u00e5r det st\u00f8rkner og krymper, hvilket forhindrer intern por\u00f8sitet. <em>Et veldesignet stigr\u00f8r er den offerv\u00e6gt, du betaler for for at sikre soliditet. Dets st\u00f8rrelse og placering er ikke til forhandling.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Skalbygning (eller \"stuccoing\")<\/strong><br>Den flertrins, gentagne proces med at skabe den keramiske form. Vokstr\u00e6et gentages gentagne gange:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Dyppet i en fin <strong>opsl\u00e6mning<\/strong> (\"grundlaget\").<\/li>\n\n\n\n<li>Overrislet med grov, sandlignende <strong>stuk<\/strong>.<\/li>\n\n\n\n<li>T\u00f8rret i et kontrolleret milj\u00f8.<br>Dette opbygger lag (typisk 6-9) for at danne en st\u00e6rk, permeabel skal. Det f\u00f8rste lag bestemmer overfladefinishen; de senere lag giver styrke.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Krympning (Patternmaker\u2019s Tolerance)<\/strong><br>Dette er den kritiske, skjulte dimension. Voks og metal krymper med forskellige hastigheder. <strong>M\u00f8nstermatricen er bevidst lavet st\u00f8rre<\/strong> end den endelige del for at kompensere for den samlede sammentr\u00e6kning af voks <em>og<\/em> metal. Tommen varierer afh\u00e6ngigt af legeringen (f.eks. aluminium ~1,3%, st\u00e5l ~2,1%, superlegeringer kan v\u00e6re 2,5%). Hvis du tager fejl, skrottes delen, fordi den er uden for tolerancen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>St\u00f8deindl\u00f8b (eller \"l\u00f8betr\u00e5d\")<\/strong><br>Den centrale voks-\"stamme\" p\u00e5 tr\u00e6konstruktionen. Alle dele (via deres porte) og risers er forbundet til den. Det er den prim\u00e6re ledning for smeltet metal fra h\u00e6ldekoppen til hvert delhulrum. Dens diameter er beregnet for at sikre tilstr\u00e6kkelig metalstr\u00f8m til at forsyne hele tr\u00e6et, f\u00f8r det st\u00f8rkner.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Stuk<\/strong><br>De grove, ildfaste granuler (som silica, zircon eller aluminiumoxid-silikat) p\u00e5f\u00f8res de v\u00e5de opsl\u00e6mningslag for at opbygge skaltykkelse, skabe dr\u00e6ningsveje for gasser\/voks og give mekanisk styrke. Forskellige kvaliteter bruges til forskellige lag.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Voksindspr\u00f8jtning<\/strong><br>Processen med at tvinge flydende voks under tryk ind i aluminium- eller st\u00e5lm\u00f8nstermatrice for at skabe voksreplikaer. <strong>Indspr\u00f8jtningstemperatur, tryk og cyklustid<\/strong> kontrolleres n\u00f8je for at forhindre defekter som str\u00f8mningslinjer eller dr\u00e6n i voksen, som bliver til defekter i metallet.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Tre begreber, du skal forst\u00e5 i forbindelse med kvalitetsdiskussioner:<\/strong><\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Koldlukning:<\/strong> En synlig linje eller s\u00f8m p\u00e5 st\u00f8begodset, hvor to str\u00f8mme af smeltet metal m\u00f8dtes, men ikke smeltede helt sammen. For\u00e5rsaget af, at metaltemperaturen er for lav, eller at sektionen er for tynd. Det er en revne, der venter p\u00e5 at ske.<\/li>\n\n\n\n<li><strong>Inklusion (keramisk inklusion):<\/strong> Et stykke af den keramiske skal eller kerne, der br\u00e6kker af og bliver fanget i metallet. En fatal defekt i st\u00f8begods med h\u00f8j integritet. Skalstyrke og h\u00e5ndtering er n\u00f8glen til forebyggelse.<\/li>\n\n\n\n<li><strong>Por\u00f8sitet:<\/strong> Sm\u00e5 hulrum i st\u00f8begodset. <strong>Svindpor\u00f8sitet<\/strong> (uregelm\u00e6ssig, ofte n\u00e6r porte\/risers) er et tilf\u00f8rselsproblem. <strong>Gaspor\u00f8sitet<\/strong> (runde, skinnende bobler) stammer fra fanget luft eller gas fra skal\/metal-reaktionen. HIP (Hot Isostatic Pressing) kan ofte lukke dette, men det er en ekstra omkostning.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Mit sidste r\u00e5d:<\/strong> N\u00e5r du f\u00e5r et tilbud eller en procesbeskrivelse, s\u00e5 lad v\u00e6re med at overse disse udtryk. Hvis der st\u00e5r \"8-lags zirkonskal\", ved du, at de bruger et f\u00f8rsteklasses ildfast materiale til h\u00f8jtemperaturlegeringer. Hvis de n\u00e6vner \"separat st\u00f8bte testst\u00e6nger\", sikrer de korrekte mekaniske egenskaber. Dette sprog er skabelonen for din dels rejse fra voks til metal. At vide det g\u00f8r dig til en bedre og mere informeret partner i processen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Behold dette som en snydeliste. Det vil afmystificere 90% af samtalen med enhver st\u00f8beriingeni\u00f8r.<\/p>",
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