{"id":4573,"date":"2025-09-19T00:00:15","date_gmt":"2025-09-18T16:00:15","guid":{"rendered":"https:\/\/www.oc-epc.com\/?p=4573"},"modified":"2025-09-16T13:59:41","modified_gmt":"2025-09-16T05:59:41","slug":"top-2-quality-challenges-in-lost-foam-casting-and-how-to-overcome-them","status":"publish","type":"post","link":"https:\/\/www.oc-epc.com\/ko\/%eb%89%b4%ec%8a%a4-%eb%b8%94%eb%a1%9c%ea%b7%b8\/%ec%97%85%ea%b3%84-%eb%89%b4%ec%8a%a4\/%ec%86%90%ec%8b%a4-%eb%90%9c-%ea%b1%b0%ed%92%88-%ec%a3%bc%ec%a1%b0%ec%97%90-%eb%8c%80%ed%95%9c-%ec%b5%9c%ea%b3%a0-2-%ea%b0%80%ec%a7%80-%ed%92%88%ec%a7%88-%eb%8f%84%ec%a0%84%ea%b3%bc-%ea%b7%b8%eb%93%a4\/","title":{"rendered":"\uc783\uc5b4\ubc84\ub9b0 \uac70\ud488 \uc8fc\uc870\uc758 \ucd5c\uace0 2 \uac00\uc9c0 \ud488\uc9c8 \ub3c4\uc804\uacfc \uadf8\ub4e4\uc744 \uadf9\ubcf5\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"<p><a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/ko\/case\/\"><strong>\uc783\uc5b4\ubc84\ub9b0 \uac70\ud488 \uce90\uc2a4\ud305<\/strong><\/a> \ucd5c\uace0 \uc815\ud655\ud55c \ud06c\uae30, \ucd94\uac00 \uc808\ub2e8\uc758 \ud544\uc694\uc131\uc774 \uc904\uc5b4\ub4e4\uace0 \ub3c5\ud2b9\ud55c \ubaa8\uc591\uc744 \ub514\uc790\uc778\ud560 \uc218 \uc788\ub294 \uc790\uc720\uc640 \uac19\uc740 \uba87 \uac00\uc9c0 \ud6cc\ub96d\ud55c \ud61c\ud0dd\uc744 \uac00\uc9c4 \uae08\uc18d\uc744 \ud615\uc131\ud558\ub294 \ud604\ub300\uc801\uc778 \ubc29\ubc95\uc785\ub2c8\ub2e4.\ud558\uc9c0\ub9cc \ub9e4\ubc88 \ucd5c\uace0\uc758 \uacb0\uacfc\ub97c \uc5bb\ub294 \uac83\uc740 \ub450 \uac00\uc9c0 \ud070 \uc7a5\uc560\ubb3c\uc744 \ud574\uacb0\ud558\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc62c\ubc14\ub978 \uc7ac\ub8cc\ub97c \uc120\ud0dd\ud558\uace0 \ud328\ud134\uc774 \uc644\ubcbd\ud558\ub2e4\ub294 \uac83\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.\uc774 \ub450 \uac00\uc9c0\ub294 \uacb0\ud568\uc744 \ud53c\ud558\uace0 \uc0dd\uc0b0\uc744 \ubd80\ub4dc\ub7fd\uac8c \uc720\uc9c0\ud558\ub294 \uc5f4\uc1e0\uc785\ub2c8\ub2e4.<\/p>\n<div style=\"text-align: center;\"><img decoding=\"async\" src=\"http:\/\/www.oc-epc.com\/wp-content\/uploads\/2025\/09\/Lost-Foam-Casting-products-1.webp\" alt=\"\ubd84\uc2e4 \ub41c \uac70\ud488 \uc8fc\uc870 \uc81c\ud488\" \/><\/div>\n<h2 id=\"key-aspect-1-material-selection\">\uc8fc\uc694 \uce21\uba74 1: \uc7ac\ub8cc \uc120\ud0dd<\/h2>\n<h3 id=\"lost-foam-casting-foam-beads\">\ubd84\uc2e4 \ub41c \uac70\ud488 \uc8fc\uc870 \uac70\ud488 \uad6c\ub9ac<\/h3>\n<p>\uc190\uc2e4 \ub41c \uac70\ud488 \uc8fc\uc870\ub97c \uc704\ud574 \uc120\ud0dd\ub41c \uac70\ud488 \uad6c\uc11d\uc758 \uc720\ud615\uc740 \ub9c8\uc9c0\ub9c9 \uc870\uac01\uc774 \uc5bc\ub9c8\ub098 \ubd80\ub4dc\ub7fd\uac8c \ubcf4\uc774\uace0, \uce21\uc815\uc774 \uc5bc\ub9c8\ub098 \uc815\ud655\ud558\uba70 \ub0b4\ubd80\uac00 \uc5bc\ub9c8\ub098 \uac15\ud558\ub294\uc9c0\uc5d0 \ud070 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n<h4 id=\"eps-expanded-polystyrene\">EPS(Expanded Polystyrene)<\/h4>\n<p>EPS\ub294 \ud0c4\uc18c \ucd95\uc801\uc774 \uac71\uc815\ub418\uc9c0 \uc54a\uc744 \ub54c \uc54c\ub8e8\ubbf8\ub284, \uad6c\ub9ac, \ud68c\uc0c9 \ucca0 \ubc0f \uc911\uace0 \ud0c4\uc18c \uac15\uc744 \uc8fc\uc870\ud558\ub294 \ub370 \uc778\uae30\uc788\ub294 \uc120\ud0dd\uc785\ub2c8\ub2e4.\uc9c0\uac11\uc5d0 \uc27d\uc9c0\ub9cc \ucca0 \uc870\uac01\uc5d0 \ube5b\ub098\ub294 \ud0c4\uc18c \uc9c0\uc9c0\uc810\uc774\ub098 \uac15\ucca0 \ud45c\uba74\uc5d0 \ucd94\uac00 \ud0c4\uc18c\uac00 \uc9c0\uc9c0\uac11\ub2c8\ub2e4.<\/p>\n<h4 id=\"stmma-styrene-methyl-methacrylate-copolymer\">STMMA (\uc2a4\ud2f0\ub80c \uba54\ud2f8 \uba54\ud0c0\ud06c\ub9b4\ub808\uc774\ud2b8 \ucf54\ud3f4\ub9ac\uba38)<\/h4>\n<p>STMMA\ub294 EPS\uc640 EPMMA\uc758 \ucd5c\uace0\ub97c \uacb0\ud569\ud558\uc5ec \ub2e4\ub978 \uc8fc\uc870 \uc694\uad6c\uc5d0 \ub9de\uac8c \uc870\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\uadf8\uac83\uc740 \ud0c4\uc18c \ube44\ud2b8\ub97c \ucc98\ub9ac\ud560 \uc218 \uc5c6\ub294 \uc720\uc5f0\ud55c \ucca0 \uc870\uac01\uc774\ub098 \ub9e4\ub828\ub41c \ub9c8\ubb34\ub9ac\ub97c \ud544\uc694\ub85c\ud558\ub294 \uadf8\uac83\ub9e4\ub9e4\uc6b0 \uc798 \uc791\ub3d9\ud569\ub2c8\ub2e4.<\/p>\n<h4 id=\"epmma-expanded-polymethyl-methacrylate\">EPMMA(Expanded Polymethyl Methacrylate)<\/h4>\n<p>EPMMA\ub294 \ud06c\ub9bc\uc774\ub098 \uc5b4\ub450\uc6b4 \uc2ac\ub798\uadf8\uc640 \uac19\uc740 \uacb0\ud568\uc744 \uc904\uc774\uae30 \ub54c\ubb38\uc5d0 \ucd08\uccad\uc18c\ud55c \ud45c\uba74\uc744 \ud544\uc694\ub85c\ud558\ub294 \ud569\uae08 \uac15\ucca0 \uc870\uac01\uc5d0 \ub300\ud55c \uc120\ud0dd\uc785\ub2c8\ub2e4.\uadf8\ub7ec\ub098 EPS\ubcf4\ub2e4 \uc57d 1.5 \ubc30 \ub354 \ub9ce\uc740 \uac00\uc2a4\ub97c \ubc29\ucd9c\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc62c\ubc14\ub978 \uad6c\uc2ac\uc744 \uc120\ud0dd\ud560 \ub54c \uc8fc\uc870\uc758 \uc7ac\ub8cc\uc640 \ub2f9\uc2e0\uc774 \ubaa9\ud45c\ub85c\ud558\ub294 \ud488\uc9c8\uc5d0 \ub300\ud574 \uc0dd\uac01\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<h2 id=\"key-aspect-2-pattern-quality\">\uc8fc\uc694 \uce21\uba74 2: \ud328\ud134 \ud488\uc9c8<\/h2>\n<h3 id=\"foam-pattern-quality-requirements\">\uac70\ud488 \ud328\ud134 \ud488\uc9c8 \uc694\uad6c \uc0ac\ud56d<\/h3>\n<h4 id=\"dimensional-accuracy\">\ucc28\uc6d0 \uc815\ud655\ub3c4<\/h4>\n<p>\ud328\ud134\uc740 \uc774\ub3d9\ud558\uac70\ub098 \uc791\uc5c5\ud558\ub294 \ub3d9\uc548 \uad6c\ubd80\ub9ac\uac70\ub098 \ubaa8\uc591\uc744 \ubcc0\uacbd\ud558\uc9c0 \uc54a\uace0 \ub514\uc790\uc778 \uacc4\ud68d\uacfc \uc815\ud655\ud788 \uc77c\uce58\ud574\uc57c\ud569\ub2c8\ub2e4.<\/p>\n<h4 id=\"surface-finish\">\ud45c\uba74 \ub9c8\uac10<\/h4>\n<p>\ub2e8\ub2e8\ud788 \uc5f0\uacb0\ub41c \uad6c\uc11d\uc744 \uac00\uc9c4 \uc88b\uace0 \ud3c9\ubc94\ud55c \ud45c\uba74\uc740 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.\uc774\uac83\uc740 \ubd80\ub4dc\ub7ec\uc6b4 \uc774\uc774\uc774\ud615 \uacf5\uac04\uc744 \ub9cc\ub4dc\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub418\uc5b4 \ub354 \uc798 \ubcf4\uc774\ub294 \uc8fc\uc870 \ud45c\uba74\uc744 \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h4 id=\"structural-integrity\">\uad6c\uc870\uc801 \ubb34\uacb0\uc131<\/h4>\n<p>\ud328\ud134\uc740 \uc811\ucc29, \ucf54\ud305, \uac74\uc870, \uc774\ub3d9, \ubaa8\ub798 \ud328\ud0b9 \ubc0f \uc0c1\uc790 \ub2eb\uae30\ub97c \uae68\uc9c0\uac70\ub098 \ubaa8\uc591\uc744 \uc783\uc9c0 \uc54a\uace0 \ucc98\ub9ac\ud560 \uc218 \uc788\ub3c4\ub85d \ucda9\ubd84\ud788 \uacac\uace0\ud558\uace0 \uacac\uace0\ud574\uc57c\ud569\ub2c8\ub2e4.<\/p>\n<h2 id=\"pattern-manufacturing-process\">\ud328\ud134 \uc81c\uc870 \uacfc\uc815<\/h2>\n<h3 id=\"bead-pre-foaming\">\uad6c\uc2ac \ubbf8\ub9ac \uac70\ud488<\/h3>\n<h4 id=\"pre-expansion-parameters\">\uc804 \ud655\uc7a5 \ub9e4\uac1c \ubcc0\uc218<\/h4>\n<p>EPS\ub294 100~105\u00b0C\uc758 \uc804\ud655\uc7a5\uc5f4\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.STMMA\ub294 105-115\u00b0C\uc5d0\uc11c \uac00\uc7a5 \uc798 \uc791\ub3d9\ud558\uc9c0\ub9cc EPMMA\ub294 120-130\u00b0C\ub97c \uc694\uad6c\ud569\ub2c8\ub2e4.\ub2f9\uc2e0\uc740 \uc99d\uae30 \ud750\ub984\uc744 \uc790\uc138\ud788 \uad00\ucc30\ud574\uc57c\ud569\ub2c8\ub2e4 \ubd88\uade0\ud615\ud55c \uad6c\uad6c\uc2ac\uc758 \uad6c\uad6c\uad6c\uc2ac\uc758 \ubd80\ub4dc\ub7ec\uc6c0\uc774\ub098 \ud30c\uc5f4\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574.<\/p>\n<h4 id=\"aging-of-pre-expanded-beads\">\ubbf8\ub9ac \ud655\uc7a5\ub41c \uad6c\uc2ac\uc758 \ub178\ud654<\/h4>\n<p>\ubbf8\ub9ac \ud655\uc7a5\ub41c \ud6c4, \uad6c\uc11d\uc740 \ubb34\uac8c\ub85c \ucd5c\ub300 10 %\uc758 \ubb3c\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.\ubb3c\uc774 2% \uc774\ud558\ub85c \ub5a8\uc5b4\uc9c8 \ub54c\uae4c\uc9c0 \uac74\uc870\ud574\uc57c \ud569\ub2c8\ub2e4.\ub178\ud654\ub294 \uad6c\uc2ac \ub0b4\ubd80\uc758 \uc555\ub825\uc744 \uade0\ud615\ud654\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<h3 id=\"forming\">\ud615\uc131<\/h3>\n<p>&nbsp;<\/p>\n<div style=\"text-align: center;\"><img decoding=\"async\" src=\"http:\/\/www.oc-epc.com\/wp-content\/uploads\/2025\/09\/Lost-foam-casting-pattern-forming-machine-1.webp\" alt=\"\uae30\uacc4\ub97c \ud615\uc131\ud558\ub294 \ubd84\uc2e4 \ub41c \uac70\ud488 \uc8fc\uc870 \ud328\ud134\" \/><\/div>\n<h3 id=\"molding-pressure-and-temperature-control\">\uc131\ud615 \uc555\ub825 \ubc0f \uc628\ub3c4 \uc81c\uc5b4<\/h3>\n<p>0.1~0.15 MPa\uc758 \uc99d\uae30\ub294 \uc774\ubbf8 \uc57d 100\u00b0C\uae4c\uc9c0 \uc628\ub09c\ud654\ub41c \ud615\uc73c\ub85c \uc774\uc774\uc7740 0 0.1~0.15 MPa\uc758 \uc99d\uae30\uac00 0 0 0.1~0.15 MPa\uc758 \uc99d\uae30\uac00 0 0 0.1~0.15 MPa\uc758 \uc99d\uadf8\ub7f0 \ub2e4\uc74c, \uc5ed \uc99d\uae30 \ud750\ub984\uc740 \ubaa8\ub4e0 \uac83\uc774 \uade0\ub4f1\ud558\uac8c \uac00\uc5f4\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.\ub0c9\uac01\uc740 \uc870\uac01\uc744 \uc81c\uac70\ud558\uae30 \uc804\uc5d0 \uae08\ud615 \uc5f4\uc744 40-50\u00b0C\ub85c \ub5a8\uc5b4\ub728\ub9bd\ub2c8\ub2e4.<\/p>\n<h3 id=\"bonding-assembly\">\uacb0\ud569 &amp;\ud68c\uc758<\/h3>\n<h4 id=\"adhesive-selection-and-application-techniques\">\uc811\ucc29\uc81c \uc120\ud0dd \ubc0f \uc801\uc6a9 \uae30\uc220<\/h4>\n<p>\uc811\ucc29\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc811\ucc29\uc81c\ub294 \uc5b4\ub5a4 \ud63c\ub780\ub3c4 \ub0a8\uae30\uc9c0 \uc54a\uace0 \uc644\uc804\ud788 \uc0ac\ub77c\uc838\uc57c\ud569\ub2c8\ub2e4.\ub108\ubb34 \ub9ce\uc740 \uc811\ucc29\uc81c\ub294 \uc644\uc804\ud788 \uc0ac\ub77c\uc9c0\uc9c0 \uc54a\uace0 \ub9c8\uc9c0\ub9c9 \uc870\uac01\uc5d0 \uacb0\ud568\uc744 \ub9cc\ub4e4 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \ubb38\uc81c\ub97c \uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc5ec\ub7ec \ubd80\ud488\uc73c\ub85c \ub9cc\ub4e0 \ubcf5\uc7a1\ud55c \ud328\ud134\uc758 \uacbd\uc6b0, \uc811\ucc29 \uc911\uc5d0 \ubc14\ub85c \uc62c\ubc14\ub978 \ub77c\uc778\uc744 \uc138\uc6b0\uba74 \ubaa8\ub378 \uc804\uccb4\uc5d0 \uac78\uccd0 \ud06c\uae30\ub97c \uc548\uc815\uc801\uc73c\ub85c \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n<h2 id=\"pattern-aging-and-stabilization\">\ud328\ud134 \ub178\ud654 \ubc0f \uc548\uc815\ud654<\/h2>\n<h3 id=\"drying-of-foam-patterns\">\uac70\ud488 \ud328\ud134\uc758 \uac74\uc870<\/h3>\n<h4 id=\"moisture-content-control\">\uc2b5\ub3c4 \ud568\ub7c9 \uc81c\uc5b4<\/h4>\n<p>\uc0c8\ub85c\uc6b4 \ubaa8\uc591\uc758 \ud328\ud134\uc740 6%-8% \uc2b5\ub3c4\ub97c \uac00\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\ucf54\ud305\uc744 \ucd94\uac00\ud558\uae30 \uc804\uc5d0 1% \ubbf8\ub9cc\uc774 \ub420 \ub54c\uae4c\uc9c0 \uac74\uc870\ud574\uc57c\ud569\ub2c8\ub2e4.<\/p>\n<h3 id=\"curing-of-foam-patterns\">\uac70\ud488 \ud328\ud134\uc758 \uacbd\ud654<\/h3>\n<h4 id=\"time-and-temperature-considerations\">\uc2dc\uac04 \ubc0f \uc628\ub3c4 \uace0\ub824 \uc0ac\ud56d<\/h4>\n<p>EPS \ud328\ud134\uc740 4-6\uc77c \ub3d9\uc548 45-60\u00b0C\uc5d0\uc11c \uac15\uc81c \uacbd\ud654\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.STMMA\uc640 EPMMA\ub294 \ub450\uaed8\uc640 \uc2b5\ub3c4\uc5d0 \ub530\ub77c \uc57d 5-7\uc77c\uc774 \uac78\ub9bd\ub2c8\ub2e4.<\/p>\n<p>\uc790\uc5f0\uc2a4\ub7fd\uac8c \uac74\uc870\ud558\ub3c4\ub85d \ud558\uba74 \ub0a0\uc528\uc5d0 \ub2ec\ub824 \uc788\uc2b5\ub2c8\ub2e4.\ub530\ub77c\uc11c \uc2b5\uae30\ub97c \uc81c\uac70\ud558\uae30 \uc704\ud574 \uc2dc\uc2a4\ud15c\uc774 \uc788\ub294 \uac74\uc870\uc2e4\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc740 \uc548\uc815\uc801\uc778 \uacb0\uacfc\ub97c \uc5bb\uae30 \uc704\ud574 \ub354 \ub098\uc740 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n<h2 id=\"coating-application-and-drying\">\ucf54\ud305 \uc751\uc6a9 \ubc0f \uac74\uc870<\/h2>\n<h3 id=\"refractory-coatings\">\ubd88\uc751 \uc131 \ucf54\ud305<\/h3>\n<h4 id=\"types-of-coatings-used-in-lost-foam-casting\">\uc783\uc5b4\ubc84\ub9b0 \uac70\ud488 \uc8fc\uc870\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ucf54\ud305\uc758 \uc720\ud615<\/h4>\n<p>\ucf54\ud305\uc740 \uc885\uc885 \uc54c\ucf54\uc62c \uae30\ubc18 \ub610\ub294 \ubb3c \uae30\ubc18 \ud63c\ud569\ubb3c\uc774\uba70, \uac00\uc2a4\uac00 \uac00\uac00\uac00\uc2a4\ub97c \ucf54\ucf54\ucf54\ud305\ud558\uba74\uc11c \ub192\uc740 \uae08\uc18d \uc5f4\uc744 \ucc98\ub9ac\ud558\uae30 \uc704\ud574 \ub9cc\ub4e4\uc5b4\uc9c4 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<h3 id=\"curing-methods-best-practices\">\uce58\ub8cc \ubc29\ubc95 &amp;\ucd5c\uace0\uc758 \uc0ac\ub840<\/h3>\n<h4 id=\"air-drying-vs.-oven-drying-techniques\">\uacf5\uae30 \uac74\uc870 vs. \uc624\ube10 \uac74\uc870 \uae30\uc220<\/h4>\n<p>\uc54c\ucf54\uc62c \uae30\ubc18 \ucf54\ud305\uc740 \uc57c\uc678\uc5d0\uc11c 30~60\ubd84 \uc548\uc5d0 \uac74\uc870\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\ubb3c \uae30\ubc18 \uc81c\ud488\uc740 50 ~ 60 \u00b0 C\uc758 \uc624\ube10\uacfc \uc88b\uc740 \uacf5\uae30 \ud750\ub984\uc73c\ub85c \uc77c\uc744 \uac00\uc18d\ud654\ud558\uc9c0 \uc54a\ub294 \ud55c \ucd5c\ub300 12 \uc2dc\uac04\uc774 \uac78\ub9b4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uac74\uc870\ud558\ub294 \ub3d9\uc548 \uc81c\ub300\ub85c \ubc30\uce58\ud558\uba74 \uad6c\ubd80\ub9ac\ub294 \uac83\uc744 \uc911\ub2e8\ud569\ub2c8\ub2e4.\uac74\uc870\ud55c \ud6c4, \uc2b5\uae30\uac00 \ub2e4\uc2dc \uac74\uac74\uc870\ud55c \uacf3\uc5d0 \uc800\uc7a5\ud558\uc5ec \uc2b5\uae30\uac00 \uac74\uac74\uc870\ub418\uc9c0 \uc54a\ub3c4\ub85d \ud558\uc2ed\uc2dc\uc624.<\/p>\n<h2 id=\"casting-defects-their-causes\">\uc8fc\uc870 \uacb0\ud568 &amp;\uadf8\ub4e4\uc758 \uc6d0\uc778<\/h2>\n<h3 id=\"impact-of-thermal-decomposition-on-casting-quality\">\uc8fc\uc870 \ud488\uc9c8\uc5d0 \ub300\ud55c \uc5f4\ubd84\ud574\uc758 \uc601\ud5a5<\/h3>\n<p>\uac70\ud488\uc774 \ubd84\ud574\ub418\uba74 \uae08\uc18d\uc744 \uac70\uac70\ub974\ub294 \ub3d9\uc548 \ucf54\ud305\uc744 \ud1b5\ud574 \ud0c8\ucd9c\ud574\uc57c \ud558\ub294 \uac00\uc2a4\ub97c \ubc29\ucd9c\ud569\ub2c8\ub2e4.<\/p>\n<h4 id=\"gas-generation-and-entrapment-issues\">\uac00\uc2a4 \uc0dd\uc0b0 \ubc0f \uac00\uac00\uc2a4 \uc720\uc785 \ubb38\uc81c<\/h4>\n<p>\ucf54\ud305\uc774 \ucda9\ubd84\ud55c \uac00\uc2a4\ub97c \ub0b4\ub824\uc8fc\uc9c0 \uc54a\uac70\ub098 \uac00\uc2a4\uac00 \ub108\ubb34 \ub9ce\uc774 \ucd95\uc801\ub418\uba74 \uac00\uac00\uac00\uc2a4\uac00 \ucf54\ucf54\ucf54\ud305\uc774 \ucf54\ucf54\ucf54\ud305\uc774 \ucf54\ucf54\ud305\uc774 \ucda9\ubd84\ud788 \uac00\uc2a4\ub97c \ub0b4\ub824\uc8fc\uc9c0 \uc54a\uac70\ub098 \uac00\uc2a4\uac00 \ub108\ubb34 \ub9ce\uc740 \uac00\uc2a4\uac00 \ucd95\uc801\ub418\uc774\uac83\uc740 \ub9c8\uc9c0\ub9c9 \uc870\uac01\uc5d0 \uc791\uc740 \uad6c\uba4d\uc774\ub098 \uac70\uce5c \ud328\uce58\ub85c \uc774\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h4 id=\"carbon-residue-formation\">\ud0c4\uc18c \uc794\ub958\ubb3c \ud615\uc131<\/h4>\n<p>\uac70\ud488\uc774 \uc644\uc804\ud788 \ubd84\ud574\ub418\uc9c0 \uc54a\uac70\ub098 \uac70\uac70\ud488\uc744 \uac70\uac70\uac70\ud488\uc744 \uac70\uac70\uac70\ud488\uc744 \uac70\uac70\uac70\ud488\uc774 \uc644\uc804\ud788 \ubd84\ud574\ub418\uc9c0 \uc54a\uac70\ub098 \uac70\uac70\ud488\uac70\ud488\uc744 \uac70\ud488\uac70\ud488\uc744 \uac70\ud488\uac70\ud488\uac70\ub098 \uac00\uc2a4\ub97c \uac70\ud488\uac70\ud488\uac70\ud488\uc744 \uac70\ud488\uac70\ud488\uc774 \uc644\uc804\ud788 \ubd84\ud574\uc9c0\uc9c0 \uc54a<\/p>\n<h2 id=\"process-optimization\">\ud504\ub85c\uc138\uc2a4 \ucd5c\uc801\ud654<\/h2>\n<p>\uc774\ub7ec\ud55c \ubb38\uc81c\ub97c \ub2e8\uacc4\ubcc4\ub85c \ud574\uacb0\ud558\uae30 \uc704\ud574:<\/p>\n<ul>\n<li>\ud569\uae08\uc758 \uc694\uad6c\uc5d0 \ub530\ub77c \uad6c\uc11d \uc720\ud615\uc744 \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624 (\uc5f0\uc131 \ucca0\uc5d0 STMMA\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uacfc \uac19\uc2b5\ub2c8\ub2e4).<\/li>\n<li>\ubcbd \ub450\uaed8\uc640 \uad6c\uc11d \ud06c\uae30\ub97c \ubcbd\ubcbd \ub450\uaed8 (\ub530\ub974\uc2ed\uc2dc\uc624 &lt; 1\/10th \uaddc\uce59).<\/li>\n<li>\uac10\uc2dc\ub41c \uc99d\uae30 \uc124\uc815\uacfc \ud568\uaed8 \uc870\uc2ec\uc2a4\ub7ec\uc6b4 \uc0ac\uc804 \uac70\ud488\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/li>\n<li>\ub178\ud654\uc640 \uac74\uc870 \uc2dc\uac04\uc774 \uacc4\uc808\uc5d0 \ub9de\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/li>\n<li>\uc811\ucc29\ud560 \ub54c \uc811\ucc29\uc81c \uc0ac\uc6a9\uc744 \ucd5c\uc18c\ud654\ud558\uc2ed\uc2dc\uc624.<\/li>\n<li>\ubd84\uc0b0\uae30\uc640 \uc774\ub3d9\uc2dd \ubd84\ubd84\uc0b0\uae30\uac00 \uc788\ub294 \ub9ac\ud504\ud2b8 \uc720\ud615 \ud398\uc778\ud2b8 \ubd84\ubd84\uc0b0\uae30\uc640 \uc774\ub3d9\uc2dd \ubd84\ubd84\uc0b0\uae30\uc640 \uc774\ub3d9\uc2dd \ubd84\uc0b0\ubd84\uc0b0\uae30\uc640 \uac19\uc740 \uc790\ub3d9 \ubd84\ubd84\ubd84\uc0b0\uae30\uc640 \uac19\uc740 \uc790\ub3d9 \ubd84\ubd84\ubd84\uc0b0\uae30\uc640 \uac19\uc740 \ubd84\uc0b0\uae30\uc640 \uc774<\/li>\n<li>Hangzhou Ouchen Technology\uc758 \uc911\uc559 \uc9c4\uacf5 \uc2dc\uc2a4\ud15c\uacfc \uac19\uc740 \uc9c4\uacf5 \uc9c0\uc6d0 \uc2dc\uc2a4\ud15c\uc744 \uc0ac\uc6a9\ud558\uc5ec -0.5MPa\uc5d0\uc11c -0.8MPa\uae4c\uc9c0 \ubd80\uc815\uc555\uc744 \uc720\uc9c0\ud558\uc5ec \uc791\uc740 \ubaa8\uc591 \ubcc0\ud654\uc640 \ube60\ub978 \ub0c9\uac01\uc744 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2 id=\"faq\">\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n<p><strong>Q: \uc65c \uac70\ud488 \uc7ac\ub8cc \uc120\ud0dd\uc774 \uc911\uc694\ud569\ub2c8\uae4c?<\/strong><br \/>\nA: \ub2e4\ub978 \uac70\ud488\uc740 \uc5f4 \uc544\ub798\uc5d0\uc11c \ub3c5\ud2b9\ud55c \ubc29\ubc95\uc73c\ub85c \ubd84\ud574\ub429\ub2c8\ub2e4.\uc798\ubabb\ub41c \uac83\uc744 \uc120\ud0dd\ud558\ub294 \uac83\uc740 \ub354 \ub9ce\uc740 \uac00\uc2a4 \ub610\ub294 \ud0c4\uc18c \uc794\ub958\ubb3c\uc744 \uc758\ubbf8\ud558\uc5ec \uc8fc\uc870 \ud488\uc9c8\uc744 \ud63c\ub780\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>Q: \ud328\ud134 \uac74\uc870\ub294 \uc5bc\ub9c8\ub098 \uc911\uc694\ud569\ub2c8\uae4c?<\/strong><br \/>\nA: \ub9e4\uc6b0 \uc911\uc694\ud55c \uc2b5\uae30\ub294 \ud06c\uae30 \uc548\uc815\uc131\uacfc \ucf54\ud305 \uc2a4\ud2f1\uc774 \uc5bc\ub9c8\ub098 \uc798 A A A A.\ud328\ud134\uc740 \ucf54\ud305\ud558\uae30 \uc804\uc5d0 1% \ubbf8\ub9cc\uc758 \uc2b5\ub3c4\uac00 \uc788\uc5b4\uc57c\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>Q: \uac74\uc124 \ub4f1\uae09 \uac70\ud488 \ubcf4\ub4dc\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/strong><br \/>\nA: \uc544\ub2c8\uc694.\uac74\uc124 \uac70\ud488\uc740 \uc885\uc885 \uc798\ubabb\ub41c \uad6c\uc2ac \ud06c\uae30\uc640 \uac15\ub3c4\ub97c \uac00\uc9c0\uace0 \uc788\uc73c\uba70, \uac8c\uc774\ud305 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc0ac\uc6a9\ud560 \ub54c \ube44\ud2b8\uac00 \uad6c\uad6c\uad6c\uc7a1\ud788\uac8c \ub429\ub2c8\ub2e4.<\/p>\n<p><strong>Q: \ucf54\ud305\uc744 \ube60\ub974\uac8c \uac74\uc870\ud558\ub294 \ucd5c\uc801\uc758 \ubc29\ubc95\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/strong><br \/>\nA: \uc57d 60\u00b0C\uc758 \uac00\uc5f4 \uac74\uc870\uc2e4\uc744 \ubb3c \uae30\ubc18 \ucf54\ud305\uc744 \uc704\ud55c \uc81c\uc2b5\uae30\ub85c \uc2dc\ub3c4\ud558\uc2ed\uc2dc\uc624.\ub610\ub294, \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub610\ub294 \ub0a0\uc528\uac00 \uc801\uc808\ud55c \ub0a0\uc528\uac00 \uc88b\uc740 \ub0a0\uc528\uac00 \uc88b\uc740 \uacbd\uc6b0 \uc54c\ucf54\uc62c\ubc14\ub978 \ub54c \ub54c \ubc14\ub78c\uc774 \uc88b\uc740 \uacbd\uc6b0 \ubc14<\/p>\n<h2 id=\"hangzhou-ouchen-technology-co.-ltd-lost-foam-casting-white-area-equipment-manufacturer\">Hangzhou Ouchen Technology Co., LTD \ubd84\uc2e4 \uac70\ud488 \uc8fc\uc870 \ubc31\uc0c9 \uc9c0\uc5ed \uc7a5\ube44 \uc81c\uc870 \uc5c5\uccb4<\/h2>\n<p><a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/ko\/\"><strong>Hangzhou Ouchen Technology Co., Ltd<\/strong><\/a> \ub9cc\ub4dc\ub294 \ub370 \uc911\uc810\uc744 \ub461\ub2c8\ub2e4. <a style=\"text-decoration: underline;\" href=\"https:\/\/www.oc-epc.com\/ko\/%ec%a0%9c%ed%92%88\/\"><strong>\ubd84\uc2e4 \ub41c \uac70\ud488 \uc8fc\uc870 \ubc31\uc0c9 \uc9c0\uc5ed\uc744 \uc704\ud55c \uc2a4\ub9c8\ud2b8 \uc7a5\ube44<\/strong><\/a>\uadf8\ub4e4\uc758 \ub77c\uc778\uc5c5\uc740 \uc804\uc790\uae30 \uc99d\uae30 \ud558\uc774\ube0c\ub9ac\ub4dc \uc138\ud2b8\uc5c5\uc744 \uac00\uc9c4 \uc644\uc804\ud788 \uc790\ub3d9\uc801\uc778 \uc0ac\uc804 \uac70\ud488 \ub9cc\ub4dc\ub294 \uae30\uacc4, \ub611\ub611\ud55c \uae30\ud6c4 \uc81c\uc5b4\ub97c \uac00\uc9c4 \uc800\uc7a5 \uc2e4\ub85c, PLC \uc790\ub3d9\ud654\ub97c \uac00\uc9c4 \uc218\uc9c1 \ubc0f \uc218\ud3c9 \ud615\uc131 \uae30\uacc4, \ube60\ub978 \ub0c9\uac01\uc744 \uc704\ud55c \uc911\uc559 \uc9c4\uacf5 \uc2dc\uc2a4\ud15c \ubc0f \ucf54\ud305 \ud655\uc0b0\uc744 \uc704\ud55c \ucd5c\uace0\uae09 \ud398\uc778\ud2b8 \ud63c\ud569\uae30\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc6d0\uaca9 \ubb38\uc81c \ud574\uacb0, \uc870\uc808 \uac00\ub2a5\ud55c \uc555\ub825 \uc124\uc815, \uc5d0\ub108\uc9c0 \uc808\uc57d \uc2dc\uc2a4\ud15c \ubc0f \uc2dc\uac04\uc5d0\uc11c \ubd84\uae4c\uc9c0 \ub2e4\uc6b4\ud0c0\uc784\uc744 \uc904\uc774\ub294 \ube60\ub978 \uae08\ud615 \uad50\ud658\uacfc \uac19\uc740 \uba4b\uc9c4 \uae30\ub2a5\uc73c\ub85c \uc190\uc2e4 \ub41c \uac70\ud488 \uc0dd\uc0b0\uc744 \uc704\ud574 \uac8c\uc784\uc744 \ubc14\uafb8\uace0 \uc788\uc2b5\ub2c8\ub2e4.\uadf8\ub4e4\uc740 \uc815\ud655\uc131\uacfc \uc2e0\ub8b0\uc131\uc744 \ucc3e\ub294 \ud604\ub300 \uc8fc\uc870\uc7a5\uc5d0 \ud544\uc694\ud55c \ud30c\ud2b8\ub108\uc785\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 Ouchen<\/strong><\/a> \uc624\ub298\uc740 \ucd5c\uace0\uc758 \uc7a5\ube44\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>\uc783\uc5b4\ubc84\ub9b0 \uac70\ud488 \uc8fc\uc870\ub294 \ucd5c\uace0 \uc815\ud655\ud55c \ud06c\uae30, \ucd94\uac00 \uc808\ub2e8\uc758 \ud544\uc694\uc131\uc774 \uc904\uc5b4\ub4e4\uace0 \ub3c5\ud2b9\ud55c \ubaa8\uc591\uc744 \ub514\uc790\uc778\ud558\ub294 \uc790\uc720\uc640 \uac19\uc740 \uba87 \uac00\uc9c0 \ud6cc\ub96d\ud55c \ud61c\ud0dd\uc744 \uac00\uc9c4 \uae08\uc18d\uc744 \ud615\uc131\ud558\ub294 \ud604\ub300\uc801\uc778 \ubc29\ubc95\uc785\ub2c8\ub2e4.\ud558\uc9c0\ub9cc \ub9e4\ubc88 \ucd5c\uace0\uc758 \uacb0\uacfc\ub97c \uc5bb\ub294 \uac83\uc740 \ub450 \uac00\uc9c0 \ud070 \uc7a5\uc560\ubb3c\uc744 \ud574\uacb0\ud558\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc62c\ubc14\ub978 \uc7ac\ub8cc\ub97c \uc120\ud0dd\ud558\uace0 \ud328\ud134\uc774 \uc644\ubcbd\ud558\ub2e4\ub294 \uac83\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.\uc774 \ub450 \uac00\uc9c0 [&hellip;]<\/p>","protected":false},"author":3,"featured_media":4569,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[160],"tags":[],"class_list":["post-4573","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"jetpack_publicize_connections":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.oc-epc.com\/ko\/wp-json\/wp\/v2\/posts\/4573","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=4573"}],"version-history":[{"count":1,"href":"https:\/\/www.oc-epc.com\/ko\/wp-json\/wp\/v2\/posts\/4573\/revisions"}],"predecessor-version":[{"id":4574,"href":"https:\/\/www.oc-epc.com\/ko\/wp-json\/wp\/v2\/posts\/4573\/revisions\/4574"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oc-epc.com\/ko\/wp-json\/wp\/v2\/media\/4569"}],"wp:attachment":[{"href":"https:\/\/www.oc-epc.com\/ko\/wp-json\/wp\/v2\/media?parent=4573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oc-epc.com\/ko\/wp-json\/wp\/v2\/categories?post=4573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oc-epc.com\/ko\/wp-json\/wp\/v2\/tags?post=4573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}