{"id":1133,"date":"2025-03-11T08:02:20","date_gmt":"2025-03-11T08:02:20","guid":{"rendered":"https:\/\/ygdiecasting.com\/?p=1133"},"modified":"2025-03-14T15:46:43","modified_gmt":"2025-03-14T15:46:43","slug":"shrinkage-porosity-in-aluminum-die-casting","status":"publish","type":"post","link":"https:\/\/ygdiecasting.com\/ko\/shrinkage-porosity-in-aluminum-die-casting\/","title":{"rendered":"\uc54c\ub8e8\ubbf8\ub284 \ub2e4\uc774\uce90\uc2a4\ud305\uc758 \uc218\ucd95 \ub2e4\uacf5\uc131"},"content":{"rendered":"<h1>\uc54c\ub8e8\ubbf8\ub284 \ud569\uae08 \ub2e4\uc774\uce90\uc2a4\ud305 \uc5d4\uc9c4 \ud06c\ub7ad\ud06c\ucf00\uc774\uc2a4\uc758 \uc218\ucd95 \ub2e4\uacf5\uc131 \uc194\ub8e8\uc158<\/h1>\n<p>\uc218\ucd95 \ub2e4\uacf5\uc131\uc740 \uc54c\ub8e8\ubbf8\ub284 \ud569\uae08 \ub2e4\uc774\uce90\uc2a4\ud305\uc758 \uc77c\ubc18\uc801\uc778 \ub0b4\ubd80 \uacb0\ud568\uc73c\ub85c, \ubcbd\uc774 \ub450\uaebc\uc6b4 \ubd80\ubd84\uc774\ub098 \ud56b\uc2a4\ud31f\uc5d0\uc11c \ud754\ud788 \ubc1c\uacac\ub429\ub2c8\ub2e4. \uacbd\ubbf8\ud55c \uc218\ucd95\uc740 \uc77c\ubc18 \ubd80\ud488\uc5d0\ub294 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\uc744 \uc218 \uc788\uc9c0\ub9cc \uc5d4\uc9c4 \uc624\uc77c \ud1b5\ub85c\uc640 \uac19\uc774 \ub204\ucd9c \uc704\ud5d8\uc774 \uc788\ub294 \uc911\uc694\ud55c \ubd80\ud488\uc5d0\ub294 \ud5c8\uc6a9\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uc774 \ubb38\uc11c\uc5d0\uc11c\ub294 \uc2e4\uc81c \uc5d4\uc9c4 \ud06c\ub7ad\ud06c\ucf00\uc774\uc2a4\uc758 \uc608\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc218\ucd95\uc774 \uc5b4\ub5bb\uac8c \ubc1c\uc0dd\ud558\ub294\uc9c0 \uc0b4\ud3b4\ubcf4\uace0 \uc2e4\uc9c8\uc801\uc778 \ud574\uacb0 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n<h2>\uc218\ucd95 \ub2e4\uacf5\uc131\uc758 \uc6d0\uc778\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/ygdiecasting.com\/wp-content\/uploads\/2025\/03\/How-shrinkage-porosity-formed.png\" alt=\"How shrinkage porosity formed\" title=\"\uc218\ucd95 \ub2e4\uacf5\uc131 \ud615\uc131 \ubc29\ubc95\" \/><br \/>\n\uc218\ucd95 \ub2e4\uacf5\uc131\uc740 \uc6a9\uc735 \uc54c\ub8e8\ubbf8\ub284\uc774 \uc218\ucd95\ud558\ub294 \ubd80\ud53c\ub97c \ucc44\uc6b8 \ucda9\ubd84\ud55c \uc7ac\ub8cc \uc5c6\uc774 \uace0\ud615\ud654\ub420 \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc8fc\uc694 \uc6d0\uc778\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uace0\ub974\uc9c0 \uc54a\uc740 \uae08\ud615 \uc628\ub3c4<\/strong>: \uadf8\ub77c\ub370\uc774\uc158\uc774 \uc88b\uc9c0 \uc54a\uc73c\uba74 \uace0\ub974\uc9c0 \uc54a\uc740 \uc751\uace0\ub85c \uc774\uc5b4\uc9d1\ub2c8\ub2e4.<\/li>\n<li><strong>\uae08\uc18d \uacf5\uae09 \ubd80\uc871<\/strong>: \uc587\uc740 \ucf00\uc774\ud06c \ub610\ub294 \uc800\uc555 \uc81c\ud55c \ubcf4\uc815.<\/li>\n<li><strong>\ud56b\uc2a4\ud31f<\/strong>: \ub450\uaebc\uc6b4 \ubcbd\uc774\ub098 \ub0a0\uce74\ub85c\uc6b4 \ubaa8\uc11c\ub9ac\ub294 \uc5f4\uc744 \uac00\ub450\uc5b4 \uc751\uace0\ub97c \uc9c0\uc5f0\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc881\uc740 \ubb38<\/strong>: \uc791\uc740 \ub0b4\ubd80 \uac8c\uc774\ud2b8\uac00 \uc870\uae30\uc5d0 \uad73\uc5b4\uc838 \uc555\ub825 \uc804\ub2ec\uc744 \ucc28\ub2e8\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc800\uc555<\/strong>: \uc57d\ud55c \uc8fc\uc870 \uc555\ub825\uc73c\ub85c \ube48 \uacf5\uac04\uc744 \ucc44\uc6b0\uc9c0 \ubabb\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc989, \uae08\ud615\uc774 \uace0\ub974\uc9c0 \uc54a\uac8c \ub0c9\uac01\ub418\uac70\ub098 \uc555\ub825\uc774 \ubaa8\ub4e0 \uc601\uc5ed\uc5d0 \ub3c4\ub2ec\ud558\uc9c0 \ubabb\ud558\uba74 \uc218\ucd95 \uae30\uacf5\uc774 \ud615\uc131\ub429\ub2c8\ub2e4.<\/p>\n<h2>\uc0ac\ub840 \uc5f0\uad6c: \uc5d4\uc9c4 \ud06c\ub7ad\ud06c\ucf00\uc774\uc2a4 \uc218\ucd95<\/h2>\n<p>\ubd50\ub7ec 28,000kN \uae30\uacc4\uc5d0\uc11c \uc8fc\uc870\ub41c \uc54c\ub8e8\ubbf8\ub284 \ud569\uae08 \uc5d4\uc9c4 \ud06c\ub7ad\ud06c\ucf00\uc774\uc2a4(ADC12, 6.3kg)\ub294 \ub450 \ubc88\uc9f8 \ud06c\ub7ad\ud06c\ucd95 \ubca0\uc5b4\ub9c1 \uc624\uc77c \ud1b5\ub85c \ubd80\uadfc\uc5d0\uc11c \uad6c\uba4d\uc5d0\uc11c 8mm \ub5a8\uc5b4\uc9c4 \uacf3\uc5d0 \uc218\ucd95 \ub2e4\uacf5\uc131\uc774 \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. X-\ub808\uc774 \uacb0\uacfc, \uc624\uc77c \ud50c\ub7ec\uadf8 \uadfc\ucc98\uc5d0\uc11c \ub0c9\uac01\ub418\uc9c0 \uc54a\uc740 22mm \ub450\uaed8\uc758 \ubcbd \uc601\uc5ed\uc5d0 \ud3ed 10mm\uc758 \ud0c0\uc6d0\ud615 \uae30\uacf5\uc774 \ubc1c\uacac\ub418\uc5b4 \uae08\ud615 \uc628\ub3c4\ub97c \uc0c1\uc2b9\uc2dc\ucf30\uc2b5\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \uc624\uc77c \ub204\ucd9c \uc704\ud5d8\uc774 \uc788\uc5c8\uace0 2017\ub144\uc5d0\ub294 5%\uc758 \uc2a4\ud06c\ub7a9\ub960\uc774 \ubc1c\uc0dd\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/ygdiecasting.com\/wp-content\/uploads\/2025\/03\/shrinkage-porosity-in-engine-crankcase.jpg\" alt=\"Shrinkage Porosity in Crankcase\" \/><br \/>\n<em>Alt: \ucd5c\uc801\ud654 \uc804 \uc624\uc77c \ud1b5\ub85c \uadfc\ucc98\uc758 \uc218\ucd95 \ub2e4\uacf5\uc131\uc744 \ubcf4\uc5ec\uc8fc\ub294 \uc5d4\uc9c4 \ud06c\ub7ad\ud06c\ucf00\uc774\uc2a4.<\/em><\/p>\n<h2>\uc5b4\ub5bb\uac8c \ud574\uacb0\ud558\ub098\uc694?<\/h2>\n<p>\uc218\ucd95\uc744 \ud574\uacb0\ud558\ub824\uba74 \uae08\ud615 \uc124\uacc4, \ub0c9\uac01 \ubc0f \uc555\ub825\uc744 \ubaa9\ud45c\ub85c \ud558\ub294 \ub2e8\uacc4\ubcc4 \uc811\uadfc \ubc29\uc2dd\uc774 \ud544\uc694\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>1\ub2e8\uacc4: \ud504\ub85c\uc138\uc2a4 \ub9e4\uac1c\ubcc0\uc218 \uc870\uc815<\/h3>\n<p>\ucd08\uae30 \uc810\uac80 \uacb0\uacfc 4mm \uac8c\uc774\ud2b8, 40m\/s\uc758 \uc8fc\uc785 \uc18d\ub3c4, 25mm \ucf00\uc774\ud06c, 60MPa\uc758 \uc555\ub825\uc774 \uc801\uc808\ud574 \ubcf4\uc600\uc2b5\ub2c8\ub2e4. \uc57d\ud55c \uc555\ub825 \ubcf4\uc815\uc774 \uc758\uc2ec\uc2a4\ub7ec\uc6cc\uc84c\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uc555\ub825\uc774 90MPa\ub85c \uc99d\uac00\ud588\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\ucf00\uc774\ud06c\ub97c 30mm\ub85c \ub450\uaecd\uac8c \ub9cc\ub4ed\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc18c\uaddc\ubaa8 \ubc30\uce58 \ud14c\uc2a4\ud2b8\uc5d0\uc11c \uc2a4\ud06c\ub7a9\ub960\uc774 5%\uc5d0\uc11c 4.8%\ub85c \uac10\uc18c\ud588\ub294\ub370, \uc774\ub294 \ud504\ub85c\uc138\uc2a4 \uc870\uc815\ub9cc\uc73c\ub85c\ub294 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc74c\uc744 \uc2dc\uc0ac\ud569\ub2c8\ub2e4.<\/p>\n<h3>2\ub2e8\uacc4: \uae08\ud615 \ub0c9\uac01 \ucd5c\uc801\ud654<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/ygdiecasting.com\/wp-content\/uploads\/2025\/03\/shrinkage-porosity3.png\" alt=\"shrinkage porosity cooling\" title=\"\uc218\ucd95 \ub2e4\uacf5\uc131 \ub0c9\uac01\" \/><br \/>\n\ub450\uaebc\uc6b4 \ubcbd(22.6mm)\uacfc \ub192\uc740 \uae08\ud615 \uc5f4(\ubd84\uc0ac \ud6c4 272\u00b0C)\ub85c \uc778\ud574 \ub0c9\uac01\uc774 \uace0\ub974\uc9c0 \uc54a\uac8c \uc774\ub8e8\uc5b4\uc84c\uc2b5\ub2c8\ub2e4. We:<\/p>\n<ul>\n<li>\ub0c9\uac01 \ucc44\ub110\uc774 \ud45c\uba74\uc5d0\uc11c 20mm\uc5d0\uc11c 12mm\ub85c \uae4a\uc5b4\uc84c\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\ub530\ub974\ub294 \uc628\ub3c4\ub97c 675\u00b0C\uc5d0\uc11c 645\u00b0C\ub85c \ub0ae\ucdc4\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uacb0\ud568 \uc9c0\uc810\uc5d0\uc11c\uc758 \uc2a4\ud504\ub808\uc774 \uc2dc\uac04\uc774 2\ucd08\uc5d0\uc11c 3\ucd08\ub85c \uc5f0\uc7a5\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uae08\ud615 \uc628\ub3c4\uac00 200\u00b0C\ub85c \ub5a8\uc5b4\uc9c0\uba74\uc11c \uc2a4\ud06c\ub7a9\ub960\uc774 4%\ub85c \uac10\uc18c\ud588\uc2b5\ub2c8\ub2e4. \uac1c\uc120\ub418\uc5c8\uc9c0\ub9cc \ud574\uacb0\ub41c \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n<h3>3\ub2e8\uacc4: \ub3cc\ucd9c \ud540 \ucd94\uac00<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/ygdiecasting.com\/wp-content\/uploads\/2025\/03\/shrinkage-porosity5.png\" alt=\"Extrusion Pins \" title=\"\uc555\ucd9c \ud540 \" \/><br \/>\n\ub450\uaebc\uc6b4 \ubcbd\uc774 \uc5ec\uc804\ud788 \ub2a6\uac8c \uad73\uc5b4\uc838 \uac8c\uc774\ud2b8\uac00 \ub3d9\uacb0\ub41c \ud6c4 \uc555\ub825 \ubcf4\uc0c1\uc774 \ucc28\ub2e8\ub418\uc5c8\uc2b5\ub2c8\ub2e4. 2\ucc28 \uac00\uc555\uc744 \uc704\ud574 \uacb0\ud568 \uc601\uc5ed \uadfc\ucc98\uc5d0 \ub450 \uac1c\uc758 \uc555\ucd9c \ud540\uc744 \ucd94\uac00\ud588\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc791\ub3d9 \ubc29\uc2dd<\/strong>: \ud540\uc740 \ubbf8\ub2c8 \uc0ac\ucd9c \ud5e4\ub4dc\ucc98\ub7fc \uc791\ub3d9\ud558\uc5ec \ucd08\uae30 \ucda9\uc804 \ud6c4 \uc555\ub825\uc744 \uac00\ud558\uc5ec(15mm \uae4a\uc774, 2.5\ucd08 \uc9c0\uc5f0) \uae08\uc18d\uc774 \uad73\uc73c\uba74\uc11c \ube48 \uacf5\uac04\uc744 \ucc44\uc6c1\ub2c8\ub2e4.<\/li>\n<li><strong>\uacb0\uacfc<\/strong>: \ubd88\ub7c9 \ubd80\ud488\uc758 \uae30\uacf5\uc774 \ub354 \uc791\uace0 \ud76c\uadc0\ud574\uc9c0\uba74\uc11c \ubd88\ub7c9\ub960\uc774 4%\uc5d0\uc11c 0.2%\ub85c \uae09\uac10\ud588\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/ygdiecasting.com\/wp-content\/uploads\/2025\/03\/shrinkage-porosity6.png\" alt=\"Optimized Crankcase X-Ray\" \/><br \/>\n<em>Alt: \uc5d4\uc9c4 \ud06c\ub7ad\ud06c\ucf00\uc774\uc2a4 \ucd5c\uc801\ud654 \ud6c4\uc758 X-\ub808\uc774 \uc0ac\uc9c4\uc73c\ub85c, \uc218\ucd95 \ub2e4\uacf5\uc131\uc774 \uc5c6\ub294 \uc870\ubc00\ud55c \uad6c\uc870\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/em><\/p>\n<h2>\uc8fc\uc694 \ub0b4\uc6a9<\/h2>\n<ol>\n<li><strong>\ud615\uc131\ub418\ub294 \uc774\uc720<\/strong>: \uc555\ub825\uc774 \uc751\uace0 \uc218\ucd95\uc744 \ubcf4\uc0c1\ud560 \uc218 \uc5c6\ub294 \ub450\uaecd\uace0 \ub728\uac70\uc6b4 \uc601\uc5ed\uc5d0 \uc218\ucd95\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uae30\ubcf8 \uc218\uc815 \uc0ac\ud56d<\/strong>: \uc555\ub825, \ucf00\uc774\ud06c \ub450\uaed8, \ub0c9\uac01\uc744 \uc870\uc808\ud558\uc5ec \ubb38\uc81c\ub97c \uc644\ud654\ud558\uc138\uc694.<\/li>\n<li><strong>\uad81\uadf9\uc758 \uc194\ub8e8\uc158<\/strong>: \uc555\ucd9c \ud540\uc740 \ud6c4\uae30 \ub2e8\uacc4\uc758 \uc555\ub825\uc73c\ub85c \ub450\uaebc\uc6b4 \uc601\uc5ed\uc744 \ub300\uc0c1\uc73c\ub85c \ud558\uc5ec \uacb0\ud568\uc744 \uac70\uc758 \uc81c\uac70\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>\ud540 \uae4a\uc774(15mm), \uc9c0\uc5f0(2.5\ucd08), \uc218\uba85(8000\uc8fc\uae30)\uc744 \ucd5c\uc801\ud654\ud55c \ud6c4 \uc2a4\ud06c\ub7a9\ub960\uc740 0.2%\ub85c \uc548\uc815\ud654\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc2ec\ucc9c \uc720\uac8c\ub294 \uc774\ub7ec\ud55c \uc2e4\uc6a9\uc801\uc778 \uc194\ub8e8\uc158\uc744 \uc801\uc6a9\ud558\uc5ec \ud575\uc2ec \ubd80\ud488\uc758 \uace0\ud488\uc9c8 \ub2e4\uc774\uce90\uc2a4\ud305\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>\uc54c\ub8e8\ubbf8\ub284 \ud569\uae08 \ub2e4\uc774\uce90\uc2a4\ud305 \uc5d4\uc9c4 \ud06c\ub7ad\ud06c\ucf00\uc774\uc2a4\uc758 \uc218\ucd95 \ub2e4\uacf5\uc131 \uc194\ub8e8\uc158 \uc218\ucd95 \ub2e4\uacf5\uc131\uc740 \uc54c\ub8e8\ubbf8\ub284 \ud569\uae08 \ub2e4\uc774\uce90\uc2a4\ud305\uc758 \uc77c\ubc18\uc801\uc778 \ub0b4\ubd80 \uacb0\ud568\uc73c\ub85c, \ubcbd\uc774 \ub450\uaebc\uc6b4 \ubd80\ubd84\uc774\ub098 \ud56b\uc2a4\ud31f\uc5d0\uc11c \ud754\ud788 \ubc1c\uacac\ub429\ub2c8\ub2e4. \uacbd\ubbf8\ud55c \uc218\ucd95\uc740 \uc77c\ubc18 \ubd80\ud488\uc5d0\ub294 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\uc744 \uc218 \uc788\uc9c0\ub9cc \ub204\ucd9c \uc704\ud5d8\uc774 \uc788\ub294 \uc5d4\uc9c4 \uc624\uc77c \ud1b5\ub85c\uc640 \uac19\uc740 \uc911\uc694\ud55c \ubd80\ud488\uc5d0\ub294 \ud5c8\uc6a9\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc774 \ubb38\uc11c\uc5d0\uc11c\ub294 [...]\uc5d0 \ub300\ud574 \uc0b4\ud3b4\ubd05\ub2c8\ub2e4.<\/p>","protected":false},"author":1,"featured_media":1135,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[17],"tags":[],"class_list":["post-1133","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-case-study"],"_links":{"self":[{"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/posts\/1133","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/comments?post=1133"}],"version-history":[{"count":2,"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/posts\/1133\/revisions"}],"predecessor-version":[{"id":1149,"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/posts\/1133\/revisions\/1149"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/media\/1135"}],"wp:attachment":[{"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/media?parent=1133"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/categories?post=1133"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/tags?post=1133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}