{"id":4939,"date":"2026-04-09T00:00:40","date_gmt":"2026-04-08T16:00:40","guid":{"rendered":"https:\/\/www.oc-epc.com\/?p=4939"},"modified":"2026-04-08T12:22:01","modified_gmt":"2026-04-08T04:22:01","slug":"%ea%b3%b5%ea%b3%b5-%ec%97%94%ec%a7%80%eb%8b%88%ec%96%b4%eb%a7%81-%eb%8c%80%ed%98%95-%eb%b9%88-%ec%a3%bc%ec%a1%b0%ec%97%90-%eb%8c%80%ed%95%9c-%ec%86%90%ec%8b%a4-%eb%90%9c-%ea%b1%b0%ed%92%88-%ec%a3%bc","status":"publish","type":"post","link":"https:\/\/www.oc-epc.com\/ko\/news-blog\/industry-news\/engineering-the-void-a-comprehensive-analysis-of-lost-foam-casting-for-large-hollow-castings\/","title":{"rendered":"\uacf5\uacf5\uc744 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1\ud558\uae30 \ub300\ud615 \ube48 \uc8fc\uc870\uc5d0 \ub300\ud55c \uc190\uc2e4 \ub41c \uac70\ud488 \uc8fc\uc870\uc758 \ud3ec\uad04\uc801\uc778 \ubd84\uc11d"},"content":{"rendered":"<h2 id=\"introduction-to-lost-foam-casting-for-complex-components\"><strong>\ubcf5\uc7a1\ud55c \ubd80\ud488\uc744 \uc704\ud55c \uc190\uc2e4 \ub41c \uac70\ud488 \uc8fc\uc870 \uc18c\uac1c<\/strong><\/h2>\n<p>The <a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/ko\/%ec%a0%9c%ed%92%88\/\"><strong>\uc783\uc5b4\ubc84\ub9b0 \uac70\ud488 \uce90\uc2a4\ud305<\/strong><\/a> \uacf5\uc815\uc740 \uc8fc\uc870 \uae30\uc220\uc5d0\uc11c \uc911\uc694\ud55c \ubc1c\uc804\uc73c\ub85c \uc11c\uc788\ub2e4.\uc774 \ubc29\ubc95\uc740 \ubcf5\uc7a1\ud558\uace0 \ub300\uaddc\ubaa8 \ubd80\ud488\uc5d0 \ud2b9\ud788 \uc798 \uc791\ub3d9\ud569\ub2c8\ub2e4.\uae30\ubcf8\uc801\uc778 \uc544\uc774\ub514\uc5b4\ub294 \uae30\uae30\uae30\uae30\uae30\ubcf8\uc801\uc778 \uc544\uc774\ub514\uc5b4\ub294 \uae30\uae30\uae30\ubcf8\uc801\uc778 \uc544\uc774\ub514\uc5b4\ub294 \uae30\uae30\uae30\ubc18\uc801\uc778 \uae30\uae30\uae30\ubcf8\uc801\uc778 \uc544\uc774\ub514\uc5b4\ub294 \uae30\uae30\uae30\uae30\ubcf8\uc801\uc73c\ub85c \uae30\uae30\uae30\ubcf8\uc801\uc778 \uc544\uc774\ub514\uc5b4\ub294 \uae30\uc774 \ubc29\ubc95\uc740 \ub514\uc790\uc778 \uc790\uc720\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.\uadf8\uac83\uc740 \uc804\ud1b5\uc801\uc778 \ucf54\uc5b4\uc640 \ubcf5\uc7a1\ud55c \uae08\ud615 \uc124\uc815\uc758 \ud544\uc694\uc131\uc744 \uc81c\uac70\ud569\ub2c8\ub2e4.\uae30\uacc4 \uacf5\uad6c \uce68\ub300, \uae30\uc5b4 \ubc15\uc2a4 \ub610\ub294 \uad6c\uc870\uc801 \ud504\ub808\uc784\uacfc \uac19\uc740 \ub300\ud615 \ube48 \ubc15\uc2a4 \uc720\ud615 \uc8fc\uc870\uc758 \uacbd\uc6b0 \uc774 \uacfc\uc815\uc740 \uc0dd\uc0b0 \ub2e8\uacc4\ub97c \ub354 \uac04\ub2e8\ud558\uac8c \ud569\ub2c8\ub2e4.\uadf8\uac83\uc740 \uc77c\ud68c \ub610\ub294 \uc800\ub7c9 \uc2e4\ud589\uc5d0 \ub300\ud55c \ud328\ud134 \ub9cc\ub4e4\uae30 \ube44\uc6a9\uc744 \uc904\uc785\ub2c8\ub2e4.\ub610\ud55c \uc804\uccb4\uc801\uc778 \uc81c\uc870 \uc8fc\uae30\ub97c \ub2e8\ucd95\ud569\ub2c8\ub2e4.\uadf8\ub7ec\ub098 Application of <a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/ko\/%ec%97%90-%eb%8c%80%ed%95%9c\/\"><strong>\uc783\uc5b4\ubc84\ub9b0 \uac70\ud488 \uce90\uc2a4\ud305<\/strong><\/a> \uc774\ub7ec\ud55c \uc5b4\ub824\uc6b4 \ubaa8\uc591\uc740 \ud2b9\uc815 \ub3c4\uc804\uc744 \uac00\uc838\uc635\ub2c8\ub2e4.\uc774\ub7ec\ud55c \ubb38\uc81c\ub294 \uc218\ud655\ub7c9\uacfc \ud488\uc9c8\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\uc77c\ubc18\uc801\uc778 \uacb0\ud568\uc740 \uc77c\uc77c\ubc18\uc801\uc778 \uc77c\uc77c\ud615 \uc77c\uc77c\uc77c\ubc18\uc801\uc778 \uacb0\ud568\uc740 \uae08\ud615 \uc77c\uc77c\uc77c\ubc18\uc801\uc778 \uacb0\ud568, \uae08\ud615 \ubcbd \uc6c0\uc9c1\uc784 \ub610\ub294 \uc77c\uc77c\uc77c\uc77c\ubc18\uc801\uc778 \uacb0\ud568 \ubc0f \uc2e4\ud328\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4.\uc9c4\uc815\ud55c \uc131\uacf5\uc740 \uc2e0\uc911\ud55c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ubc29\ubc95\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.\uc774 \ubc29\ubc95\uc740 \uc791\uc5c5\uc5d0\uc11c \ud2b9\ubcc4\ud55c \ubb3c\ub9ac\ud559\uc744 \ub2e4\ub8e8\uc5b4\uc57c\ud569\ub2c8\ub2e4.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-4946\" src=\"http:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-Foam-Casting-for-Large-Hollow-Castings.webp\" alt=\"\ud070 \ube48 \uc8fc\uc870\ub97c \uc704\ud55c \ubd84\uc2e4 \ub41c \uac70\ud488 \uc8fc\uc870\" width=\"600\" height=\"400\" srcset=\"https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-Foam-Casting-for-Large-Hollow-Castings.webp 600w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-Foam-Casting-for-Large-Hollow-Castings-300x200.webp 300w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/Lost-Foam-Casting-for-Large-Hollow-Castings-18x12.webp 18w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<h2 id=\"core-challenges-in-hollow-cavity-castings\"><strong>\ube48 \uad6c\uad74 \uc8fc\uc870\uc758 \ud575\uc2ec \ub3c4\uc804<\/strong><\/h2>\n<p>\uc8fc\uc694 \ub3c4\uc804\uc740 \ud070 \uc8fc\uc8fc\uc8fc\uc8fc\uc8fc\uc694 \uacf5\uacf5\uacf5\ud568\uc5d0\uc11c \ub098\uc628\ub2e4.\uc783\uc5b4\ubc84\ub9b0 \uac70\ud488 \uc8fc\uc870 \uacfc\uc815\uc5d0\uc11c, \uac70\ud488 \ud328\ud134\uc740 \ubd84\ubd84\ud574\ub41c \uae08\uc18d\uacfc \ub9cc\ub0a0 \ub54c \uac00\uc2a4\ub85c \ubcc0\ud569\ub2c8\ub2e4.\uc774\ub7ec\ud55c \uac00\uc2a4\ub294 \ucf54\ud305\uacfc \uc8fc\ubcc0\uc758 \uac74\uc870\ud55c \ubaa8\ub798\ub97c \ud1b5\ud574 \ube60\ub974\uac8c \uc81c\uac70\ud574\uc57c \ud569\ub2c8\ub2e4. \ubaa8\ub798\ub294 \uc801\uc6a9\ub41c \uc9c4\uacf5\uc5d0\uc11c \uc555\ucd95\uc744 \ubc1b\uc2b5\ub2c8\ub2e4.\uace0\uccb4 \uc8fc\uc870\uc5d0\uc11c \uc9c4\uacf5\uc740 \uae08\ud615\uc744 \ud1b5\ud574 \uade0\ud615\uc801\uc73c\ub85c \uc791\ub3d9\ud569\ub2c8\ub2e4.\uadf8\ub7ec\ub098 \ube48 \uc8fc\uc870\uc5d0\uc11c \ub0b4\ubd80 \uad6ccavity\ub294 \uac04\uc811\uc801\uc774\uace0 \uc885\uc885 \uc57d\ud55c \uc9c4\uacf5\ub9cc \uc5bb\uc2b5\ub2c8\ub2e4.\uc774\ub7ec\ud55c \uc0c1\ud669\uc740 \uc911\uc694\ud55c \uc555\ub825 \ucc28\uc774\ub97c \ub9cc\ub4ed\ub2c8\ub2e4.\uc678\ubd80 \ubaa8\ub798\ub294 \uc644\uc804\ud55c \uc9c4\uacf5 \ud558\uc5d0\uc11c \ub2e8\ub2e8\ud788 \ud3ec\uc7a5\ub429\ub2c8\ub2e4.\ub0b4\ubd80 \ubaa8\ub798\ub294 \ud6a8\uacfc\uc801\uc778 \uc9c4\uacf5\uc774 \ub0ae\uc2b5\ub2c8\ub2e4.\uadf8 \uacb0\uacfc \ub0b4\ubd80 \ubaa8\ub798\ub294 \uac15\ub3c4\uac00 \uac10\uc18c\ud558\uace0 permeability\uc640 \uad00\ub828\ub41c \ubb38\uc81c\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.\uc774\ub7ec\ud55c \uc870\uac74\uc740 \uae08\uc18d \ucc44\uc6b0\uae30 \ubc0f \uac70\ud488 \ubd84\ud574\ub85c\ubd80\ud130 \ubc1c\uc0dd\ud558\ub294 \ub3d9\uc801 \uc555\ub825\uacfc \uacb0\ud569\ub429\ub2c8\ub2e4.\uadf8\ub4e4\uc740 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud558\uae30 \uc704\ud574 \ud1a0\ub300\ub97c \uc900\ube44\ud569\ub2c8\ub2e4.<\/p>\n<p>\uae30\ubcf8 \uc5ed\ud559\uc740 \ub0b4\ubd80 \ubaa8\ub798 \uc9c8\ub7c9\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \ud798\uc5d0 \uc9d1\uc911\ud569\ub2c8\ub2e4. \ubaa8\ub798\uac00 \uc548\uc815\uc801\uc774\uae30 \uc704\ud574\uc11c\ub294 \uc21c \ud798\uc774 0\uc774\ub098 \uc544\ub798\ub85c \ub0a8\uc544\uc788\uc5b4\uc57c\ud569\ub2c8\ub2e4.\uc8fc\uc694 \uc62c\ub77c\uac00\ub294 \ud798\uc740 \uc8fc\uc8fc\uc8fc\uc8fc\uc8fc\uc8fc\ub41c \uae08\uc18d\uc758 \ubd80\ub3d9\ub825\uc785\ub2c8\ub2e4.\uadf8\uac83\uc5d0 \uc800\ud56d\ud558\ub294 \ud798\uc740 \uc811\ucd09 \uc601\uc5ed\uc5d0\uc11c \ubaa8\ub798 \uc808\ub2e8 \uac15\ub3c4\uc640 \ubaa8\ub798 \uc9c8\ub7c9\uc758 \ubb34\uac8c\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4. \uc808\ub2e8 \uac15\ub3c4\ub294 \ud6a8\uacfc\uc801\uc778 \ub0b4\ubd80 \uc9c4\uacf5\uacfc \uc555\ucd95\uc5d0 \uac15\ub825\ud788 \uc758\uc874\ud569\ub2c8\ub2e4.\uc57d\ud55c \ub0b4\ubd80 \uc9c4\uacf5\uc740 \uc808\ub2e8 \uac15\ub3c4\ub97c \ud06c\uac8c \ub0ae\ucd94\uc2b5\ub2c8\ub2e4.\uac70\ud488 \uc5f4\ubd84\ud574\uc555\ub825\uacfc \uae08\uc18d\uc815\uc555\uc740 \ubd88\uc548\uc815\uc131\uc744 \ub9cc\ub4dc\ub294 \ud798\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.\uc548\uc815\uc131\uc740 \uc800\ud56d\ub825\uc774 \uc704\ub85c \ud30c\uad34\ub825\ubcf4\ub2e4 \ub354 \ud070 \uac83\uc744 \uc694\uad6c\ud569\ub2c8\ub2e4.\uc774 \uc694\uad6c \uc0ac\ud56d\uc740 \ubaa8\ub798\uc758 \uac15\ub3c4\ub97c \uac00\ub2a5\ud55c \ud55c \ub192\uc774\uace0 \ubc29\ud574 \uc555\ub825\uc744 \uc904\uc774\ub294 \ud544\uc694\uc131\uc744 \uac15\uc870\ud569\ub2c8\ub2e4.<\/p>\n<h2 id=\"critical-defects-and-their-root-causes\"><strong>\uc911\uc694\ud55c \uacb0\ud568\uacfc \uadf8 \uadfc\ubcf8 \uc6d0\uc778<\/strong><\/h2>\n<p>\uacb0\ud568\uc5d0 \ub300\ud55c \uba85\ud655\ud55c \uc774\ud574\ub294 \ud6a8\uacfc\uc801\uc778 \uc644\ud654\ub97c \uc704\ud574 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.\uc190\uc2e4 \ub41c \uac70\ud488 \uc8fc\uc870\ub85c \uc0dd\uc0b0\ub418\ub294 \ub300\ud615 \ube48 \uc8fc\uc870\uc758 \uc8fc\uc694 \uacb0\ud568\uc740 \ub2e4\uc74c\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/p>\n<h3 id=\"mold-collapse\"><strong>\uae08\ud615 \uae08\ud615 \ud615\ud615 \ud615\ud615 \ud615\ud615\ud615 \ud615\ud615\ud615 \ud615\ud615 \ud615 \ud615\ud615 \ud615<\/strong><\/h3>\n<p>\uc774 \uacb0\ud568\uc740 \uae08\ud615 \uad6c\uc774 \uc774 \ubd80\ubd84\uc801\uc73c\ub85c \ub610\ub294 \uc644\uc804\ud788 \ud30c\uad34\ub418\ub294 \uac83\uc744 \ud3ec\ud568\ud55c\ub2e4.\uadf8\uac83\uc740 \uc798\ubabb\ub41c \ubaa8\uc591\uc758 \uc8fc\uc870\ub85c \uc774\uc5b4\uc9d1\ub2c8\ub2e4.\uadfc\ubcf8\uc801\uc778 \uc6d0\uc778\uc740 \uac15\ud55c \uc555\ub825 \ucc28\uc774\uc5d0 \uc788\uc2b5\ub2c8\ub2e4.\uc774 \ucc28\uc774\uc810\uc740 \uc57d\ud55c \ub0b4\ubd80 \ubaa8\ub798\ub97c \uc678\ubd80\ub85c \ubc00\uc5b4\ub0b4\uace0 \uc788\uc2b5\ub2c8\ub2e4.\ubd88\ucda9\ubd84\ud55c \uac00\uc2a4 \ub300\ud53c\ub3c4 \ubc18\uc555\uc744 \ub9cc\ub4ed\ub2c8\ub2e4.\ubc18\uc555\ub825\uc740 \ubaa8\ub798\ub97c \uc720\ub3d9\ud654\ud569\ub2c8\ub2e4.\uc8fc\uc694 \uc694\uc778\uc740 \uc678\ubd80\uc640 \ub0b4\ubd80 \uc9c4\uacf5 \uc0ac\uc774\uc758 \uacfc\ub3c4\ud55c \ucc28\uc774\uc785\ub2c8\ub2e4.\uac00\uc2a4 \uc555\ub825\uc740 \ubaa8\ub798\uc758 \uc5f0\uad00\uc131\uc744 \ucd08\uacfc\ud569\ub2c8\ub2e4.<\/p>\n<h3 id=\"mold-wall-movement-or-swelling\"><strong>\ud615 \ubcbd \uc6b4\ub3d9 \ub610\ub294 \ud615<\/strong><\/h3>\n<p>\uc774 \ubb38\uc81c\ub294 \ucc28\uc6d0 \ubd80\uc815\ud655\uc131, \ub450\uaed8 \uc139\uc158 \ub610\ub294 \uae30\ud558\ud559 \ubcc0\ud654\ub97c \ucd08\ub798\ud569\ub2c8\ub2e4.\uadf8\uac83\uc740 \uacfc\ub3c4\ud55c \ubd80\ub3d9\ub825\uacfc \uac00\uc2a4 \uc555\ub825\uc5d0\uc11c \ubc1c\uc0dd\ud569\ub2c8\ub2e4.\uc774\ub7ec\ud55c \ud798\uc740 \ub0b4\ubd80 \ubaa8\ub798\ub97c \uc774\ub3d9\uc2dc\ud0a4\uac70\ub098 \uae08\ud615 \ubcbd\uc744 \uad6c\ubd80\ub9ac\uac8c \ud569\ub2c8\ub2e4.\ubcc0\ud654\ub294 \uc885\uc885 \ubd80\uc801\uc808\ud55c \ubb34\uac8c\ub098 \uc81c\uc57d \ub54c\ubb38\uc5d0 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.\ubd88\uade0\ud615\uc740 \ubd80\ub3d9\ub825\uacfc \uac00\uc2a4 \ud798\uc774 \ubaa8\ub798 \uc808\ub2e8 \uac15\ub3c4, \ubaa8\ub798 \ubb34\uac8c \ubc0f \uc678\ubd80 \uc81c\ud55c\ubcf4\ub2e4 \ud06c\uac8c \uc99d\uac00\ud560 \ub54c \ub098\ud0c0\ub0a9\ub2c8\ub2e4.<\/p>\n<h3 id=\"misrun-or-cold-shut\"><strong>\uc2e4\ud589 \ub610\ub294 \ub0c9\uac01 \ud3d0\uc1c4<\/strong><\/h3>\n<p>\uc774 \uacb0\ud568\uc740 \ubd88\uc644\uc804\ud55c \ucc44\uc6b0\uae30\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.\ud2b9\ud788 \uadf8\uac83\uc740 \ud2b9\ud2b9\ud2b9\ud788 \ud2b9\ud2b9\ud788 \ud2b9\ud2b9\ud788 \uadf8\uac83\uadf8\uac83\uc740 \ud2b9\ud2b9\ud788 \uadf8\uac83\uadf8\uac83\uc740 \ud2b9\ud2b9\ud788 \uadf8\uac83\uadf8\uac83\uc740 \ud2b9\ud788 \ud2b9\ud788 \ud2b9\ud2b9\ud788 \uadf8\uac83\uc740 \ud2b9\ud788 \uadf8\uac83\uc740 \ud2b9\ud2b9\ud788 \ud2b9\ud788 \ud2b9\ud788 \uadf8\uac83\uc740 \ud2b9\ud788\uc6d0\uc778\uc740 \uac70\ud488\uc758 \ub0b4\uc5f4 \ubd84\ud574\uc5d0\uc11c \uc5f4 \uc190\uc2e4\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4.\ub2e4\ub978 \uc694\uc778\uc740 \ubd80\uc801\uc808\ud55c \uae30\uae30\uc628\uc774\ub098 \uc18d\ub3c4\uc640 \uac00\uc2a4 \ubc18\uc555\uc774 \uae08\uc18d \uc804\uba74\uc744 \ub290\ub9ac\uac8c \ub9cc\ub4dc\ub294 \uac83\uc785\ub2c8\ub2e4.\uacb0\ud568\uc740 \uae08\uc18d \uc5f4 \uc785\ub825\uc774 \uac70\ud488 \uc99d\uae30 \ubc0f \uad00\ub828 \uc190\uc2e4\uc744 \uadf9\ubcf5\ud560 \uc218 \uc5c6\uc744 \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n<h3 id=\"carbon-defects\"><strong>\ud0c4\uc18c \uacb0\ud568<\/strong><\/h3>\n<p>\uc774\ub4e4\uc740 \ud45c\uba74\uc5d0 \ube5b\ub098\ub294 \ud0c4\uc18c \ud544\ub984\uc774\ub098 \uc8fc\uba38\ub2c8\ub85c \ub098\ud0c0\ub0a9\ub2c8\ub2e4.\uadf8\ub4e4\uc740 \ubd88\uc644\uc804\ud55c \uc5f4\ubd84\ud574 \uac00\uc2a4\uc758 \uc81c\uac70\ub85c \uc778\ud574 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.\uac00\uc2a4\ub294 \uae08\uc18d \uc55e\uc5d0 \uc800\uc7a5\ub418\ub294 \ud0c4\uc18c \uc794\ub958\ubb3c\ub85c \ubd84\uc5f4\ub429\ub2c8\ub2e4.\ube48 \uc139\uc158\uc758 \ub0ae\uc740 permeability\uc640 \ubd80\uc871\ud55c \uc9c4\uacf5, \ub192\uc740 \uac00\uc2a4 \uc555\ub825 \ubc0f \ub0ae\uc740 \ubaa8\ub798 permeability\ub85c \ubb38\uc81c\uac00 \uc545\ud654\ub429\ub2c8\ub2e4.<\/p>\n<h2 id=\"engineered-solutions-for-robust-production\"><strong>\uacac\uace0\ud55c \uc0dd\uc0b0\uc744 \uc704\ud55c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc194\ub8e8\uc158<\/strong><\/h2>\n<p>\uc774\ub7ec\ud55c \ubb38\uc81c\uc5d0 \ub300\ud55c \ud574\uacb0\ucc45\uc740 \ub9ce\uc740 \ubd80\ubd84\uc744 \uac00\uc9c4 \uc804\ub7b5\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.\uc774 \uc804\ub7b5\uc740 \ud328\ud134 \ubb34\uacb0\uc131, \uac8c\uc774\ud305, \uc9c4\uacf5 \uad00\ub9ac \ubc0f \uae30\uacc4\uc801 \uc548\uc815\ud654\uc5d0 \uc911\uc2ec\uc744 \ub450\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3 id=\"pattern-construction-and-reinforcement\"><strong>\ud328\ud134 \uac74\uc124 \ubc0f \uac15\ud654<\/strong><\/h3>\n<p>\uac70\ud488 \ubcf4\ub4dc\ub85c \ub9cc\ub4e0 \uac70\uac70\ub300\ud55c \uac70\uac70\uac70\uc720 \uac70\uac70\uac70\ud488 \uac70\uac70\uac70\ud488 \ubcf4\ub4dc\ub85c \ub9cc\ub4e0 \uac70\uac70\ub300\ud55c \uac70\uac70\uac70\uac70\uc6b4 \uac70\uc6b4 \uac70\uc6b4 \uac70\uc720\uac70\ud488 \uac70\ud488 \ubcf4\ub4dc\ub85c \ub9cc\ub4e4\uc5b4\uc9c4 \uac70\ub300\ud55c \uac70\ub300\ud55c \uac70\ubb34\uac8c, \ucf54\ud305 \ub610\ub294 \ubaa8\ub798 \uc9c4\ub3d9\uc73c\ub85c \uc27d\uac8c \ubcc0\ud615\ud569\ub2c8\ub2e4.\uc885\uc885 \uacbd\ub7c9 \uae08\uc18d\uc774\ub098 \uac15\ud654\ub41c \ud50c\ub77c\uc2a4\ud2f1\uc73c\ub85c \ub9cc\ub4e4\uc5b4\uc9c4 \ud1b5\ud569 \ub41c \ub0b4\ubd80 \uace8\uaca9\uc740 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.\uadf8\uac83\uc740 \uc870\ub9bd\ubd80\ud130 \ubd80\ubd80\ubd80\uadf8\uac83\uc870\uc870\ub9bd\uc744 \ud1b5\ud574 \ucc28\uc6d0 \uc548\uc815\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4. \uace8\uaca9\uc740 \uc555\ucd95 \ud798\uc5d0 \uc800\ud56d\ud569\ub2c8\ub2e4.\uadf8\uac83\uc740 \ucd94\uac00 \ub0b4\ubd80 \uc9c8\ub7c9\uc744 \ud53c\ud558\uae30 \uc704\ud574 \uc790\uc2e0\uc758 \ubcfc\ub968\uc744 \ub0ae\uac8c \uc720\uc9c0\ud569\ub2c8\ub2e4.\uadf8\uac83\uc740 \ub610\ud55c permeable \ub54c \uc9c4\uacf5 \ub3c4\uad00\uc73c\ub85c \uc791\ub3d9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\uc774 \uace8\uaca9\uc740 \uc774\ub7ec\ud55c \ubd80\ud488\uc758 \uc131\uacf5\uc801\uc778 \uc190\uc2e4 \ub41c \uac70\ud488 \uc8fc\uc870\uc5d0 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n<p><strong><img decoding=\"async\" class=\"aligncenter size-full wp-image-4945\" src=\"http:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/lost-foam-casting-equipment-manufacturer.webp\" alt=\"\uc190\uc2e4 \ub41c \uac70\ud488 \uc8fc\uc870 \uc7a5\ube44 \uc81c\uc870 \uc5c5\uccb4\" width=\"800\" height=\"500\" srcset=\"https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/lost-foam-casting-equipment-manufacturer.webp 800w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/lost-foam-casting-equipment-manufacturer-300x188.webp 300w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/lost-foam-casting-equipment-manufacturer-768x480.webp 768w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/lost-foam-casting-equipment-manufacturer-18x12.webp 18w, https:\/\/www.oc-epc.com\/wp-content\/uploads\/2026\/04\/lost-foam-casting-equipment-manufacturer-600x375.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\uc804\ub7b5\uc801 \uac8c\uc774\ud305 \uc2dc\uc2a4\ud15c \uc124\uacc4<\/strong><\/p>\n<p>\uac8c\uc774\ud305 \uc2dc\uc2a4\ud15c\uc740 \ube60\ub978 \ucc44\uc6b0\uae30\ub97c \ud5c8\uc6a9\ud574\uc57c\ud569\ub2c8\ub2e4.\uc5f4\ucda9\uaca9\uc744 \uc81c\ud55c\ud558\uace0 \ud63c\ub3d9\uc744 \uc81c\uc5b4\ud574\uc57c \ud569\ub2c8\ub2e4.\ub192\uc740 \ube48 \uc8fc\uc870\uc758 \uacbd\uc6b0 \uc218\uc9c1 \ubc29\ud5a5\uc740 \uc555\ub825\uc744 \uc99d\uac00\uc2dc\ud0a4\uace0 \uba39\uc774\ub97c \uac1c\uc120\ud569\ub2c8\ub2e4.\ub2e8\uacc4\ub41c \uc678\ubd80 \uce21\ubcbd \uac8c\uc774\ud305 \uc2dc\uc2a4\ud15c\uc740 \ub2e4\ub978 \uac83\ubcf4\ub2e4 \ub354 \uc798 \uc791\ub3d9\ud569\ub2c8\ub2e4.\uadf8\uac83\uc740 \ube48 \uc139\uc158 \uc9c4\uacf5 \ubb34\uacb0\uc131\uc744 \ubcf4\ud638\ud569\ub2c8\ub2e4.\uc544\ub798\ubd80\ud130 \uc704\ub85c \uc9c4\ud589\uc801\uc778 \ucc44\uc6b0\uae30\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4.\uc774 \ucc44\uc6b0\ubb3c\uc740 \ubc29\ud5a5\uc801 \uace0\uccb4\ud654\ub97c \ucd09\uc9c4\ud558\uace0 \uacf5\uacf5\uc131\uc744 \ub0ae\ucd94\uc2b5\ub2c8\ub2e4.\ub610\ud55c \ud1b5\uc81c\ub41c \uc0c1\uc2b9 \uc804\uc120\uc744 \ud615\uc131\ud569\ub2c8\ub2e4.\uc228\uaca8\uc9c4 \uac8c\uc774\ud2b8 \ub514\uc790\uc778\uc740 \uc801\uc740 \uacf5\uae30\ucc44\uc6b0\uae30 \uc18d\ub3c4\ub294 \uc561\uccb4 \uc5ed\ud559 \uc6d0\uce59\uc744 \ud1b5\ud574 \uac70\ud488 \ubd84\ud574 \uc800\ud56d\uc744 \uace0\ub824\ud569\ub2c8\ub2e4.<\/p>\n<h3 id=\"advanced-vacuum-management-and-pressure-control\"><strong>\uace0\uae09 \uc9c4\uacf5 \uad00\ub9ac \ubc0f \uc555\ub825 \uc81c\uc5b4<\/strong><\/h3>\n<p>\ud45c\uc900 \ud50c\ub798\uc2a4\ud06c \ubcbd \uc9c4\uacf5\uc740 \ud070 \ub0b4\ubd80 \uc6a9\ub7c9\uc5d0 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.\ud65c\uc131 \ub0b4\ubd80 \uc9c4\uacf5 \ubc30\uad00\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.\uc774\ub7ec\ud55c \ubc30\uad00\uc740 \ub4dc\ub9b4\ub9c1 \uad6c\uba4d\uacfc \uba54\uc26c \uc774\uc774\ud3ec\uc7a5\uc774 \uc788\ub294 \uad6c\ubd80\ub41c \ud638\uc2a4\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.\ub178\ub3d9\uc790\ub4e4\uc740 \ubaa8\ub798\ub97c \ucc44\uc6b0\uae30 \uc804\uc5d0 \uad6c\uba4d\uc5d0 \ub123\uc2b5\ub2c8\ub2e4.\ubc30\uad00\uc740 \uc9c4\uacf5 \uc2dc\uc2a4\ud15c\uc5d0 \uc9c1\uc811 \uc5f0\uacb0\ub429\ub2c8\ub2e4.\uadf8\ub4e4\uc740 \ud6a8\uacfc\uc801\uc73c\ub85c \ud575\uc2ec \uac00\uc2a4\ub97c \uc81c\uac70\ud569\ub2c8\ub2e4.\ub0b4\ubd80 \uc9c4\uacf5\uc744 \ub192\uc774\uace0 \uc555\ub825 \ucc28\uc774\ub97c \uc904\uc774\uace0 \ubaa8\ub798\ub97c \uac15\ud654\ud569\ub2c8\ub2e4.\uc8fc\ucca0\uc758 \uacbd\uc6b0, \uc77c\ubc18\uc801\uc778 \uc9c4\uacf5\uc740 -0.04\uc5d0\uc11c 0.06\uba54\uac00\ud30c\uc2a4\uce7c \uc0ac\uc774\uc785\ub2c8\ub2e4.\uace0\uccb4\ud654\ub97c \uc9c0\uc6d0\ud558\uae30 \uc704\ud574 \ub2e4\ud1a4 \uc8fc\uc870\uc5d0 15-25 \ubd84\uc758 \ubcf4\uc720 \uc2dc\uac04\uc774 \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<p>\ubb34\uac70\uc6b4 \ud310\uc73c\ub85c \ucd5c\uace0 \ubb34\uac8c\ub294 \ubd80\ub3d9\ub825\uacfc \uac00\uc2a4 \uc555\ub825\uc744 \ucc28\ub2e8\ud569\ub2c8\ub2e4.\ub178\ub3d9\uc790\ub4e4\uc740 \uc608\uc0c1 \uc0c1\ub2e8 \uba74\uc801, \uae08\uc18d \ub192\uc774 \ubc0f \ub3d9\uc801 \uc870\uac74\uc5d0 \ub300\ud55c 1.5-2.0\uc758 \uc548\uc804 \uc778\uc790\ub97c \uae30\ubc18\uc73c\ub85c \ubb34\uac8c\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/p>\n<h3 id=\"optimized-process-parameters\"><strong>\ucd5c\uc801\ud654\ub41c \uacf5\uc815 \ub9e4\uac1c \ubcc0\uc218<\/strong><\/h3>\n<p>\ub300\ud615 \ucca0 \uad6c\uacf5 \uc8fc\uc870\uc5d0 \ub300\ud55c \uc8fc\uc694 \uc9c0\uce68\uc5d0\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc810\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\uc8fc\ub294 \uc628\ub3c4: 1420-1480\u00b0C\ub294 \uac70\ud488 \ubd84\ud574 \uc5f4\uc744 \uc0c1\ucda9\ud558\uae30 \uc704\ud574.<\/li>\n<li>\ubd80<\/li>\n<li>\uc9c4\uacf5 \uc218\uc900: \uc555\ucd95, \uac00\uc2a4 \uc81c\uac70 \ubc0f \uc720\ub3d9\uc131\uc744 \uc704\ud55c \u8d1f 0.05 MPa \u00b1 0.01 MPa.<\/li>\n<li>\uc9c4\uacf5 \ubcf4\uc720 \uc2dc\uac04: \uace0\uccb4\ud654 \uc2dc\uac04 \ud50c\ub7ec\uc2a4 5-10 \ubd84.<\/li>\n<li>\ubaa8\ub798: AFS 40-55 \uc6d0\ud615 \uc2e4\ub9ac\uce74 \ub610\ub294 \uc9c0\ub974\ucf58 \uc720\ub3d9\uc131 \ubc0f permeability\ub97c \uc704\ud574.<\/li>\n<\/ul>\n<h2 id=\"synthesis-and-recommended-process-flow\"><strong>\ud569\uc131 \ubc0f \ucd94\ucc9c \ud504\ub85c\uc138\uc2a4 \ud750\ub984<\/strong><\/h2>\n<p>\uc131\uacf5\uc801\uc778 \ud504\ub85c\uc138\uc2a4\ub294 \uc774\ub7ec\ud55c \ub2e8\uacc4\ub97c \ub530\ub985\ub2c8\ub2e4.\uccab\uc9f8, \ud22c\ud22c\uc131 \ucf54\ud305\uc73c\ub85c \uac15\ud654\ub41c \uac70\ud488 \ud328\ud134\uc744 \ub9cc\ub4e4\uc5b4\ubcf4\uc2ed\uc2dc\uc624.\ub2e4\uc74c, \ub0b4\ubd80 \ubc30\uad00\uacfc \uc678\ubd80 \uac8c\uc774\ud305\uc73c\ub85c \ud50c\ub798\uc2a4\ud06c\uc5d0 \ubaa8\uc73c\uc2ed\uc2dc\uc624.\uadf8\ub7f0 \ub2e4\uc74c \ubaa8\ub798\ub97c \ud1b5\uc77c\ud558\uac8c \ucc44\uc6b0\uace0 \uc555\ucd95\ud558\uc2ed\uc2dc\uc624.\uc124\uc815\uc744 \uc124\uc815\ud558\uace0 \ubb34\uac8c\ub97c \ucd94\uac00\ud558\uace0 \uc9c4\uacf5 \ub77c\uc778\uc744 \uc5f0\uacb0\ud569\ub2c8\ub2e4.\uace0\uc628\uacfc \uc548\uc815\uc801\uc778 \uc18d\ub3c4\uc5d0\uc11c \ubaa9\ud45c \uc9c4\uacf5 \uc544\ub798\uc5d0 \uace0\uace0\uc628\uacfc \uc548\uc815\uc801\uc778 \uc18d\ub3c4\ub85c \uace0\uace0\uc628\uacfc \uc548\uc815\uc801\uc778 \uc18d\ub3c4\ub85c \uace0\uace0\uace0\uc628 \uc9c4\uacf5 \uc544\ub798\uc5d0 \uace0\uace0\uace0\uc628\ub3c4\uc640 \uc548\uc815\uc801\uc778 \uc18d\ub3c4\ub85c\uace0\uccb4\ud654\uac00 \uc644\ub8cc\ub420 \ub54c\uae4c\uc9c0 \uc9c4\uacf5\uc744 \uc720\uc9c0\ud558\uc2ed\uc2dc\uc624.\ub9c8\uc9c0\ub9c9\uc73c\ub85c \ubaa8\ub798\uc5d0\uc11c \ub0c9\uac01\ud558\ub3c4\ub85d \ud558\uc2ed\uc2dc\uc624.<\/p>\n<h2 id=\"conclusion\"><strong>\uacb0\ub860<\/strong><\/h2>\n<p>\uc190\uc2e4 \ub41c \uac70\ud488 \uc8fc\uc870\ub294 \ubcf5\uc7a1\ud55c \ube48 \ubd80\ud488\uc758 \uc0dd\uc0b0\uc744 \ud558\ub098\uc758 \ud1b5\ud569 \ud504\ub85c\uc138\uc2a4\ub85c \ubcc0\ud654\uc2dc\ud0b5\ub2c8\ub2e4.\uc131\uacf5\uc740 \ub0b4\ubd80 \uc555\ub825 \ucc28\uc774\uc640 \ubaa8\ub798 \uc548\uc815\uc131\uc758 \uc81c\uc5b4\uc5d0 \ub2ec\ub824 \uc788\uc2b5\ub2c8\ub2e4.\uc774 \uc81c\uc5b4\ub294 \ud328\ud134 \uc9c0\uc6d0, \uc678\ubd80 \uac8c\uc774\ud305, \ub0b4\ubd80 \uc9c4\uacf5 \ubc0f \ubb34\uac8c\ub97c \ud1b5\ud574 \uc81c\uacf5\ub429\ub2c8\ub2e4.\uc774 \uc811\uadfc \ubc29\ubc95\uc740 \uc774 \uc774 \uc774 \uc774 \uc811\uadfc \ubc29\ubc95\uc774 \ud6a8\uacfc\uc801\uc73c\ub85c \uc774 \uc774 \uc774 \uc774 \uc774 \uc811\uadfc \ubc29\ubc95\uc774 \uc774 \uc774 \uc774 \uc811\uadfc \ubc29\ubc95\uc740 \uc774 \uc774 \uc774 \uc811\uadfc \ubc29\ubc95\uc740 \uc774 \uc774 \uc774 \uc774 \uc811\uadfc \ubc29\ubc95\uc774 \ud6a8\uacfc\uc801\uc73c\ub85c \uc774<\/p>\n<p>\uc190\uc2e4 \ub41c \uac70\ud488 \uc8fc\uc870 \uc7a5\ube44\ub97c \uc804\ubb38\ud654\ud558\ub294 \uc804\ubb38 \uc81c\uc870 \uc5c5\uccb4, \uacf5\uae09 \uc5c5\uccb4 \ubc0f \uacf5\uc7a5\uc73c\ub85c, <a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/ko\/\"><strong>OC \uae30\uc220<\/strong><\/a> \uace0\uae09 \uc9c0\ub2a5\ud615 \uc194\ub8e8\uc158\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.\uc774\ub7ec\ud55c \uc194\ub8e8\uc158\uc740 \ub300\ud615 \ube48 \uc8fc\uc870\uc5d0 \ub300\ud55c \ubcf5\uc7a1\ud55c \uc190\uc2e4 \uac70\ud488 \ud504\ub85c\uc138\uc2a4\uc758 \uc815\ud655\ud55c \uc694\uad6c\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4.\uc774 \ud68c\uc0ac\ub294 \uace0\ud6a8\uc728, \uc5d0\ub108\uc9c0 \uc808\uc57d \uc0dd\uc0b0 \ub77c\uc778 \ubc0f \ud1b5\ud569 \uc2dc\uc2a4\ud15c\uc5d0 \ucd08\uc810\uc744 \ub9de\ucd94\uace0 \uc788\uc2b5\ub2c8\ub2e4.\uc774\ub7ec\ud55c \uc2dc\uc2a4\ud15c\uc740 \ud504\ub85c\uc138\uc2a4 \uc548\uc815\uc131\uacfc \uc8fc\uc870 \ud488\uc9c8\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.\uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc190\uc2e4 \ub41c \uac70\ud488 \uc8fc\uc870 \uc7a5\ube44\ub97c \ucc3e\ub294 \uc81c\uc870\uc5c5\uccb4\uc640 \uc8fc\uc870\uc5c5\uccb4\ub294 OC Technology\uc758 \ud134\ud0a4 \uc194\ub8e8\uc158\uc5d0\uc11c \ud61c\ud0dd\uc744 \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\uc194\ub8e8\uc158\uc740 \ud328\ud134 \uc900\ube44, \ucf54\ud305, \uac74\uc870 \ubc0f \uc9c4\uacf5 \uad00\ub9ac\ub97c \uc704\ud55c \uc2dc\uc2a4\ud15c\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4.\uc8fc\uc694 \uc7a5\ube44 \uc81c\ud488\uc740 \uc911\uc559 \uc9c4\uacf5 \uc2dc\uc2a4\ud15c\uacfc \uc5d8\ub9ac\ubca0\uc774\ud130 \uc720\ud615 \ud398\uc778\ud2b8 \uc911\uc911\uc911\uc911\uc911\uc559 \uc9c4\uacf5 \uc2dc\uc2a4\ud15c\uacfc \uc5d8\ub9ac\ubca0\uc774\ud130 \uc720\ud615 \ud398\uc778\ud2b8 \uc8fc\uc8fc\uc8fc\uc694 \uc7a5\ube44\uc785\ub2c8\ub2e4.\uc774\ub7ec\ud55c \ud56d\ubaa9\uc740 \uc190\uc2e4 \uac70\ud488 \uc791\uc5c5\uc744 \ucd5c\uc801\ud654\ud558\uae30 \uc704\ud574 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. <a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/ko\/%ec%97%b0%eb%9d%bd%ec%b2%98\/\"><strong>\uc5f0\ub77d\ucc98 OC Technology<\/strong><\/a> \uc0ac\uc6a9\uc790 \uc815\uc758 \uc7a5\ube44\ub97c \ud0d0\ud5d8\ud558\uae30 \uc704\ud574.\uc774 \uc7a5\ube44\ub294 \uae4c\ub2e4\ub85c\uc6b4 \uc0dd\uc0b0 \uc694\uad6c\ub97c \ucda9\uc871\uc2dc\ud0a4\uace0 \uc804\uccb4\uc801\uc778 \uc8fc\uc870 \uc131\ub2a5\uc744 \ub192\uc785\ub2c8\ub2e4.<\/p>\n<h2 id=\"faq\"><strong>\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/strong><\/h2>\n<h3 id=\"what-is-the-main-challenge-in-lost-foam-casting-for-large-hollow-castings\"><strong>\ub300\ud615 \ube48 \uc8fc\uc870\uc5d0 \ub300\ud55c \uc190\uc2e4 \ub41c \uac70\ud488 \uc8fc\uc870\uc758 \uc8fc\uc694 \ub3c4\uc804\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c? <\/strong><\/h3>\n<p>\uc8fc\uc694 \ub3c4\uc804\uc740 \uc678\ubd80\uc640 \ub0b4\ubd80 \ubaa8\ub798 \uc0ac\uc774\uc758 \uc555\ub825 \ucc28\uc774\ub97c \uad00\ub9ac\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.\uc774\ub7ec\ud55c \ucc28\uc774\ub294 \ube48 \uad6c\uad74\uc758 \ubd80\uc871\ud55c \uc9c4\uacf5\uc5d0\uc11c \ubc1c\uc0dd\ud569\ub2c8\ub2e4.\uadf8\uac83\uc740 \uae08\ud615 \uae08\uae08\ud615 \uae08\uae08\ud615 \uae08\uae08\uae08\ud615 \uadf8\uac83\uadf8\uac83\uc740 \uadf8\uac83\uadf8\uac83\uadf8\uac83\uc740 \uae08\ud615 \uadf8\uac83\uadf8\uac83\uc740 \uadf8\uac83\uadf8\uac83\uc740 \uae08\ud615 \uadf8\uac83\uc740 \uae08\uae08\ud615 \uadf8\uac83\uc740 \uae08\uae08\ud615 \ud615\ud615\ud615\ud615\ud615 \uadf8\uac83\uadf8\uac83\uadf8\uac83\uadf8\uac83\uc740 \uadf8\uac83<\/p>\n<h3 id=\"how-does-internal-vacuum-management-improve-lost-foam-casting-of-hollow-structures\"><strong>\ub0b4\ubd80 \uc9c4\uacf5 \uad00\ub9ac\ub294 \uc5b4\ub5bb\uac8c \ube48 \uad6c\uc870\uc758 \uc190\uc2e4 \ub41c \uac70\ud488 \uc8fc\uc870\ub97c \uac1c\uc120\ud569\ub2c8\uae4c? <\/strong><\/h3>\n<p>\ub0b4\ubd80 \uc9c4\uacf5 \ubc30\uad00\uc740 \ud575\uc2ec \uc601\uc5ed\uc5d0\uc11c \uc5f4\ubd84\ud574 \uac00\uc2a4\ub97c \uc9c1\uc811 \ub300\ud53c\ud569\ub2c8\ub2e4.\ub0b4\ubd80 \uc9c4\uacf5 \uc555\ub825\uc744 \ub192\uc5ec\uc90d\ub2c8\ub2e4.\ubaa8\ub798\ub97c \uac15\ud654\ud569\ub2c8\ub2e4.\ub610\ud55c \ubd88\uc548\uc815\uc131\uc744 \ucd08\ub798\ud558\ub294 \ud30c\uad34\uc801\uc778 \uc555\ub825 \ucc28\uc774\ub97c \uc904\uc785\ub2c8\ub2e4.<\/p>\n<h3 id=\"what-gating-approach-works-best-for-tall-hollow-castings-in-lost-foam-casting\"><strong>\uc5b4\ub5a4 \uac8c\uc774\ud305 \uc811\uadfc\ubc95\uc774 \uc190\uc2e4 \ub41c \uac70\ud488 \uc8fc\uc870\uc5d0\uc11c \ub192\uc740 \ube48 \uc8fc\uc870\uc5d0 \uac00\uc7a5 \uc798 \uc791\ub3d9\ud569\ub2c8\uae4c?<\/strong><\/h3>\n<p>\uc678\ubd80 \ub2e8\uacc4\uc801 \ub610\ub294 \ub2e8\uacc4\uc801 \uc778 \uce21\uba74 \uac8c\uc774\ud305\uc740 \ub0b4\ubd80 \uc9c4\uacf5 \ubb34\uacb0\uc131\uc744 \ubcf4\uc874\ud569\ub2c8\ub2e4.\uadf8\uac83\uc740 \ud1b5\uc81c\ub41c \uc544\ub798\uc5d0\uc11c \uc704\ub85c \ucc44\uc6b0\uae30\ub97c \ucd09\uc9c4\ud569\ub2c8\ub2e4.\uc810\uc9c4\uc801\uc778 \uace0\uccb4\ud654\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4.\ub610\ud55c \ud63c\ub780\uc744 \ucd5c\uc18c\ud654\ud569\ub2c8\ub2e4.<\/p>\n<h3 id=\"why-is-pattern-reinforcement-required-for-large-hollow-foam-patterns\"><strong>\uc65c \ud070 \ube48 \uac70\ud488 \ud328\ud134\uc5d0 \ud328\ud134 \uac15\ud654\uac00 \ud544\uc694\ud569\ub2c8\uae4c? <\/strong><\/h3>\n<p>\ud070 \ud070\ud070 \ud070\ud070\ud070\ud070\ud070 \ud070\ud070\ud070 \ud070\ud070 \ud070 \ud070 \ud070 \ud070\ud070\ud070\ud070 \ud070\ud070 \ud070\ud070\ud070\ud070\ud070\ud070\ud070\uadf8\ub4e4\uc740 \ucc98\ub9ac, \ucf54\ud305 \ubc0f \ubaa8\ub798 \uc555\ucd95 \uc911\uc5d0 \ubcc0\ud615\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\ub0b4\ubd80 \uace8\uaca9\uc740 \uc804\uccb4 \uacfc\uc815\uc5d0\uc11c \ucc28\uc6d0 \uc548\uc815\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<h3 id=\"what-typical-vacuum-levels-are-applied-in-lost-foam-casting-for-iron-hollow-parts\"><strong>\ucca0 \uad6c\uacf5 \ubd80\ud488\uc5d0 \ub300\ud55c \uc190\uc2e4 \ub41c \uac70\ud488 \uc8fc\uc870\uc5d0 \uc5b4\ub5a4 \uc804\ud615\uc801\uc778 \uc9c4\uacf5 \uc218\uc900\uc774 \uc801\uc6a9\ub418\ub098\uc694? <\/strong><\/h3>\n<p>\uc791\ub3d9 \uc9c4\uacf5 \uc218\uc900\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub9c8\uc774\ub108\uc2a4 0.04\uc5d0\uc11c 0.06\uba54\uac00\ud30c\uc2a4\uce7c \uc0ac\uc774\uc785\ub2c8\ub2e4.\uc815\ud655\ud55c \uc81c\uc5b4\ub294 \ud6a8\uacfc\uc801\uc778 \ubaa8\ub798 \uc555\ucd95\uacfc \ube48 \uc139\uc158\uc5d0\uc11c \uac00\uc2a4 \uc81c\uac70\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction to Lost Foam Casting for Complex Components The lost foam casting process stands as a major step forward in foundry technology. This method works especially well for complex and large-scale components. The basic idea involves a sacrificial foam pattern that molten metal replaces. This approach gives great design freedom. It removes the need for [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":4943,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[160,161],"tags":[],"class_list":["post-4939","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","category-news-blog"],"acf":[],"jetpack_publicize_connections":[],"_links":{"self":[{"href":"https:\/\/www.oc-epc.com\/ko\/wp-json\/wp\/v2\/posts\/4939","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oc-epc.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oc-epc.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/ko\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/ko\/wp-json\/wp\/v2\/comments?post=4939"}],"version-history":[{"count":3,"href":"https:\/\/www.oc-epc.com\/ko\/wp-json\/wp\/v2\/posts\/4939\/revisions"}],"predecessor-version":[{"id":4948,"href":"https:\/\/www.oc-epc.com\/ko\/wp-json\/wp\/v2\/posts\/4939\/revisions\/4948"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/ko\/wp-json\/wp\/v2\/media\/4943"}],"wp:attachment":[{"href":"https:\/\/www.oc-epc.com\/ko\/wp-json\/wp\/v2\/media?parent=4939"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oc-epc.com\/ko\/wp-json\/wp\/v2\/categories?post=4939"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oc-epc.com\/ko\/wp-json\/wp\/v2\/tags?post=4939"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}