{"id":16425,"date":"2026-07-01T10:48:24","date_gmt":"2026-07-01T02:48:24","guid":{"rendered":"https:\/\/aobosteel.com\/?p=16425"},"modified":"2026-07-01T10:48:25","modified_gmt":"2026-07-01T02:48:25","slug":"edm-tool-steel-white-layer","status":"publish","type":"post","link":"https:\/\/aobosteel.com\/ko\/blog\/edm-tool-steel-white-layer\/","title":{"rendered":"\uacf5\uad6c\uac15\uc758 EDM \ubc31\uc0c9\uce35 | \uc544\uc624\ubcf4 \uc2a4\ud2f8 \uacf5\uad6c\uac15 \uacf5\uae09\uc5c5\uccb4"},"content":{"rendered":"<h1 id=\"h-edm-and-tool-steel-managing-the-white-layer-and-heat-affected-zone\" class=\"wp-block-heading\">\ubc29\uc804\uac00\uacf5 \ubc0f \uacf5\uad6c\uac15: \ubc31\uc0c9\uce35 \ubc0f \uc5f4\uc601\ud5a5\ubd80 \uad00\ub9ac<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc29\uc804\uac00\uacf5(EDM)\uc740 \uc720\uc804\uccb4 \uc720\uccb4\uc5d0 \uc7a0\uae34 \uc804\uadf9\uacfc \uacf5\uc791\ubb3c \uc0ac\uc774\uc5d0\uc11c \ubc18\ubcf5\uc801\uc778 \uc2a4\ud30c\ud06c \ubc29\uc804\uc744 \ubc1c\uc0dd\uc2dc\ucf1c \uc804\uae30 \uc804\ub3c4\uc131 \uc7ac\ub8cc\ub97c \uc81c\uac70\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4. \uc804\uadf9\uc740 \uac15\ucca0\uc5d0 \uc9c1\uc811 \ub2ff\uc9c0 \uc54a\uc73c\ubbc0\ub85c \uae30\uacc4\uc801\uc778 \uc808\uc0ad\ub825\uc774 \ubc1c\uc0dd\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c EDM\uc740 \uae30\uc874 \uacf5\uad6c\ub85c\ub294 \uc811\uadfc\ud560 \uc218 \uc5c6\ub294 \ubcf5\uc7a1\ud55c \uce90\ube44\ud2f0, \uae4a\uace0 \uc881\uc740 \uc2ac\ub86f, \ub0b4\ubd80 \ud615\uc0c1 \uac00\uacf5\uc5d0 \uc801\ud569\ud55c \uc2e4\uc6a9\uc801\uc778 \uacf5\uc815\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uacf5\uad6c \ubc0f \uae08\ud615 \uc81c\uc791\uc5d0 \uc788\uc5b4 EDM\uc758 \ub9e4\ub825\uc740 \uba85\ud655\ud569\ub2c8\ub2e4. EDM\uc740 \uacbd\ub3c4 60HRC \uc774\uc0c1\uc758 \uc644\uc804 \uacbd\ud654 \uacf5\uad6c\uac15\uc744 \uc808\uc0ad\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c, \uae08\ud615\uc744 \uc5f4\ucc98\ub9ac \uc804\uc5d0 \uac00\uacf5\ud558\ub294 \ub300\uc2e0 \uc5f4\ucc98\ub9ac \ud6c4\uc5d0 \uac00\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uacbd\ud654\ub41c \ube14\ub7ad\ud06c\ub97c \uc808\uc0ad\ud558\uba74 \ucd5c\uc885 \ud615\uc0c1\uc744 \uacbd\ud654\uc2dc\ud0ac \ub54c \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \uacfc\uc815\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \ubcc0\ud615, \ud06c\uae30 \ubcc0\ud654, \ub4a4\ud2c0\ub9bc\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uae08\uc18d\ud559\uc801 \uce21\uba74\uc5d0\uc11c \ub2e8\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4. EDM\uc740 \uc808\uc0ad \ubd80\uc704\uc5d0\uc11c \uac15\ucca0\uc744 \ub179\uc774\uace0 \uae30\ud654\uc2dc\ud0a4\ub294 \uc5f4\ucc98\ub9ac \uacf5\uc815\uc73c\ub85c, \ud45c\uba74\uc774 \ubcc0\ud615\ub418\uc5b4 \uc81c\ub300\ub85c \uad00\ub9ac\ud558\uc9c0 \uc54a\uc73c\uba74 \uc870\uae30\uc5d0 \ud30c\uc190\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-why-the-edm-surface-needs-attention\" class=\"wp-block-heading\">EDM \ud45c\uba74\uc5d0 \ud2b9\ubcc4\ud55c \uc8fc\uc758\uac00 \ud544\uc694\ud55c \uc774\uc720<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uac01\uac01\uc758 \ubd88\uaf43\uc740 \uc18c\ub7c9\uc758 \uac15\ucca0\uc744 \ub179\uc774\ub294 \ub3d9\uc2dc\uc5d0 \uc8fc\ubcc0\uc758 \uc808\uc5f0 \uc720\uccb4\uac00 \uac70\uc758 \uc989\uc2dc \ub0c9\uac01\uc2dc\ud0b5\ub2c8\ub2e4. \uac15\ub82c\ud55c \uad6d\ubd80\uc801 \uc5f4\uacfc \ube60\ub978 \ub0c9\uac01\uc774 \uacb0\ud569\ub418\uc5b4 \uac00\uacf5\ub41c \ud45c\uba74\uc5d0 \uc138 \uac00\uc9c0 \ub69c\ub837\ud55c \uce35\uc774 \ud615\uc131\ub429\ub2c8\ub2e4. \uac01 \uce35\uc774 \ubb34\uc5c7\uc774\uba70 \uc5bc\ub9c8\ub098 \ub2e8\ub2e8\ud558\uac70\ub098 \ucde8\uc131\uc774 \uc788\ub294\uc9c0 \uc774\ud574\ud558\ub294 \uac83\uc774 \uacf5\uad6c \uc218\uba85\uc744 \ubcf4\ud638\ud558\ub294 \uccab \ubc88\uc9f8 \ub2e8\uacc4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 id=\"h-the-white-layer-or-recast-layer\" class=\"wp-block-heading\">\ud770\uc0c9 \uce35 \ub610\ub294 \uc7ac\uc8fc\uc870 \uce35<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\uc7a5 \ubc14\uae65\ucabd \uce35\uc740 \uc720\uc804\uccb4\uc5d0 \uc758\ud574 \uc53b\uaca8 \ub098\uac00\uc9c0 \uc54a\uace0 \ud45c\uba74\uc5d0\uc11c \ub2e4\uc2dc \uad73\uc5b4\uc9c4 \uc6a9\uc735 \uae08\uc18d\uc785\ub2c8\ub2e4. \uc5d0\uce6d \ucc98\ub9ac \ud6c4 \ud604\ubbf8\uacbd\uc73c\ub85c \uad00\ucc30\ud558\uba74 \ub192\uc740 \ub0b4\uc2dd\uc131 \ub54c\ubb38\uc5d0 \ud770\uc0c9\uc73c\ub85c \ubcf4\uc774\ub294\ub370, \uc774\uac83\uc774 \ubc14\ub85c \uc774\ub984\uc758 \uc720\ub798\uc785\ub2c8\ub2e4. \uc774 \uce35\uc740 \uc8fc\uc870 \uc0c1\ud0dc \uadf8\ub300\ub85c\uc758 \uad6c\uc870\ub85c, \ub9e4\uc6b0 \ucde8\uc131\uc774 \uac15\ud558\uace0 \uacbd\ub3c4\ub294 65~70 HRC \uc774\uc0c1\uc778 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \ub192\uc740 \uc778\uc7a5 \uc794\ub958 \uc751\ub825\uacfc \uae09\uc18d \ub0c9\uac01\uc73c\ub85c \uc778\ud574 \ubbf8\uc138\ud55c \uade0\uc5f4\uc774 \ub9ce\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc808\ub2e8 \uc2dc \uc0ac\uc6a9\ub41c \uc2a4\ud30c\ud06c \uc5d0\ub108\uc9c0\uc5d0 \ub530\ub77c \ub450\uaed8\ub294 \uc57d 0.0002~0.005\uc778\uce58(0.005~0.127mm) \uc815\ub3c4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 id=\"h-the-rehardened-zone\" class=\"wp-block-heading\">\uc7ac\uacbd\ud654 \uc601\uc5ed<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud770\uc0c9 \uce35 \ubc14\ub85c \uc544\ub798 \ubd80\ubd84\uc740 \uc5f4\uc774 \ucda9\ubd84\ud788 \ub192\uc544 \uac15\ucca0\uc774 \uc7ac\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654\ub41c \ud6c4 \ub2f4\uae08\uc9c8\ub418\uc5b4 \ud15c\ud37c\ub9c1\ub418\uc9c0 \uc54a\uc740 \uc0c8\ub85c\uc6b4 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub85c \ubcc0\ud588\uc2b5\ub2c8\ub2e4. \uc774 \uc601\uc5ed\uc740 \uace0\ud0c4\uc18c\uac15\uc758 \uacbd\uc6b0 \uc57d 65 HRC\uc758 \ub9e4\uc6b0 \ub2e8\ub2e8\ud55c \uacbd\ub3c4\ub97c \uac00\uc9c0\uc9c0\ub9cc, \ub9e4\uc6b0 \ucde8\uc131\uc774 \uac15\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uae4c\ub2e4\ub85c\uc6b4 \uacf5\uad6c \uc6a9\ub3c4\uc5d0 \ud544\uc694\ud55c \uc778\uc131\uc774 \ubd80\uc871\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 id=\"h-the-overtempered-zone\" class=\"wp-block-heading\">\uacfc\uc5f4\ub41c \uad6c\uc5ed<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc7ac\uacbd\ud654\uce35 \uc544\ub798\ucabd\uc758 \uac15\ucca0\uc740 \ub354 \ub0ae\uc740 \uc628\ub3c4\uc758 \uc5f4\uc5d0 \ub178\ucd9c\ub418\ub294\ub370, \uc774\ub294 \uc774\ubbf8 \uacbd\ud654\ub41c \uad6c\uc870\uc5d0 \uc758\ub3c4\uce58 \uc54a\uc740 \ud15c\ud37c\ub9c1 \uc0ac\uc774\ud074\uc744 \uc720\ubc1c\ud569\ub2c8\ub2e4. \uadf8 \uacb0\uacfc, \ud45c\uba74 \uc544\ub798 \ubd80\ubd84\uc774 \uc5f0\ud654\ub418\uc5b4 \uacbd\ub3c4\uac00 46~48 HRC\uae4c\uc9c0 \ub5a8\uc5b4\uc84c\ub2e4\uac00 \ub2e4\uc2dc \ubaa8\uc7ac\uc758 \uc911\uc2ec\ubd80 \uacbd\ub3c4\ub85c \ud68c\ubcf5\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-how-edm-damage-shortens-tool-life\" class=\"wp-block-heading\">EDM \uc190\uc0c1\uc774 \uacf5\uad6c \uc218\uba85\uc744 \ub2e8\ucd95\uc2dc\ud0a4\ub294 \uc774\uc720<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc29\uc804\uac00\uacf5(EDM)\uc73c\ub85c \uac00\uacf5\ub41c \uacf5\uad6c\ub97c \ud6c4\ucc98\ub9ac \uc5c6\uc774 \ubc14\ub85c \uc0ac\uc6a9\ud558\uba74 \uccab \ubc88\uc9f8 \uc0ac\uc774\ud074\ubd80\ud130 \uc131\ub2a5\uc774 \uc800\ud558\ub429\ub2c8\ub2e4. \ud15c\ud37c\ub9c1\ub418\uc9c0 \uc54a\uc740 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub294 \ucde8\uc131\uc774 \uac15\ud558\uace0, \ubc31\uc0c9\uce35\uc5d0\ub294 \uc774\ubbf8 \ubbf8\uc138 \uade0\uc5f4\uc774 \uc874\uc7ac\ud569\ub2c8\ub2e4. \uc774 \ub450 \uac00\uc9c0 \uc694\uc18c\uac00 \ud568\uaed8 \uc2ec\uac01\ud55c \uc751\ub825 \uc694\uc778\uc73c\ub85c \uc791\uc6a9\ud569\ub2c8\ub2e4. \ud558\uc911, \uc555\ub825 \ub610\ub294 \ucda9\uaca9\uc774 \uac00\ud574\uc9c0\uba74 \uc774\ub7ec\ud55c \uade0\uc5f4\uc774 \uc911\uc2ec\ubd80\ub85c \uc804\ud30c\ub418\uc5b4 \uc870\uae30 \ud30c\uc190\uc744 \uc720\ubc1c\ud558\uba70, \uc774\ub294 \uce58\ud551, \ubc15\ub9ac, \uc5f4 \uade0\uc5f4 \ub610\ub294 \uacf5\uad6c \uc804\uccb4\uc5d0 \uac78\uce5c \uade0\uc5f4\ub85c \ub098\ud0c0\ub0a0 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uc640 \uad00\ub828\ub41c \uc218\uce58\ub294 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uacfc\ub3c4\ud558\uac70\ub098 \ubd80\uc801\uc808\ud55c EDM \ud669\uc0ad \uac00\uacf5\uc740 \ud53c\ub85c \uac15\ub3c4, \uc989 \ub0b4\uad6c\uc131 \ud55c\uacc4\ub97c \ucd5c\ub300 63%\uae4c\uc9c0 \uac10\uc18c\uc2dc\ud0a4\uace0 \uc5f0\uc131\uc744 \ucd5c\ub300 80%\uae4c\uc9c0 \uc800\ud558\uc2dc\ud0a4\ub294 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \ub450 \uacbd\uc6b0 \ubaa8\ub450 \uc6d0\uc778\uc740 \ub3d9\uc77c\ud569\ub2c8\ub2e4. \ubc14\ub85c \ud45c\uba74 \uacb0\ud568\uacfc \uc2a4\ud30c\ud06c\ub85c \uc778\ud574 \ubc1c\uc0dd\ud558\ub294 \uc778\uc7a5 \uc794\ub958 \uc751\ub825 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-best-practices-for-edm-machined-tool-steel\" class=\"wp-block-heading\">\ubc29\uc804\uac00\uacf5 \uacf5\uad6c\uac15 \uac00\uacf5\uc744 \uc704\ud55c \ucd5c\uc801 \uc0ac\ub840<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc190\uc0c1 \uc815\ub3c4\ub294 \uad00\ub9ac \uac00\ub2a5\ud569\ub2c8\ub2e4. \uc544\ub798 \ub2e8\uacc4\ub97c \uafb8\uc900\ud788 \uc801\uc6a9\ud558\uba74 \uc5f4\uc601\ud5a5\ubd80\uc758 \uae4a\uc774\ub97c \ucd5c\uc18c\ud654\ud558\uace0 \uacf5\uad6c\uc758 \uc815\uc0c1\uc801\uc778 \uc791\ub3d9\uc5d0 \ud544\uc694\ud55c \uc131\ub2a5\uc744 \ubcf5\uc6d0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uba3c\uc800 \uac00\uacf5 \ub9e4\uac1c\ubcc0\uc218\ub97c \uc124\uc815\ud569\ub2c8\ub2e4. \uac70\uce5c \ud669\uc0ad \uac00\uacf5\uc73c\ub85c \ub300\ubd80\ubd84\uc758 \uc7ac\ub8cc\ub97c \uc81c\uac70\ud55c \ub2e4\uc74c, \uc800\ucd9c\ub825 \uace0\uc8fc\ud30c \uc815\uc0ad \uac00\uacf5\uc744 \uc5ec\ub7ec \ubc88 \uc218\ud589\ud569\ub2c8\ub2e4. \ubbf8\uc138 \uc2a4\ud30c\ud06c \uac00\uacf5\uc740 \ud669\uc0ad \uac00\uacf5\uc73c\ub85c \uc778\ud574 \ubc1c\uc0dd\ud55c \uae4a\uc740 \uc5f4 \uc190\uc0c1\uc744 \uc81c\uac70\ud558\uace0 \ucd5c\uc885 \ubc31\uc0c9\uce35\uacfc \uc7ac\uacbd\ud654 \uc601\uc5ed\uc744 \uc57d 0.001\uc778\uce58(0.025mm) \ubbf8\ub9cc\uc758 \ub9e4\uc6b0 \uc595\uc740 \uae4a\uc774\ub85c \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uace0\uac15\ub3c4 \uacf5\uad6c\uc758 \uacbd\uc6b0, <a href=\"https:\/\/aobosteel.com\/ko\/selection-of-tool-steel-for-aluminum-extrusion-dies\/\">\uace0\uc555 \uc555\ucd9c \ub2e4\uc774<\/a>, \uadf8\ub9ac\uace0 \uc911\uc694\ud55c \uad6c\uc870\uc801 \uad6c\uc131 \uc694\uc18c\uc758 \uacbd\uc6b0, \ud770\uc0c9 \uce35\uc744 \uc644\uc804\ud788 \uc81c\uac70\ud569\ub2c8\ub2e4. \uc774\ub294 \ub798\ud551, \uc2a4\ud1a0\ub2dd, \ud3f4\ub9ac\uc2f1 \ub610\ub294 \uac00\ubcbc\uc6b4 \uc5f0\uc0ad\uacfc \uac19\uc740 \uae30\uacc4\uc801 \ubc29\ubc95\uc73c\ub85c \uc218\ud589\ub418\uc5b4, \uacf5\uad6c\uac00 \ud558\uc911\uc744 \ubc1b\uae30 \uc804\uc5d0 \ucde8\uc131 \uc788\ub294 \uc7ac\uc8fc\uc870 \ud45c\uba74\uc774 \uc81c\uac70\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub2e4\uc74c \uacf5\uad6c\ub97c \ub2e4\uc2dc \ud15c\ud37c\ub9c1\ud558\uc2ed\uc2dc\uc624. EDM \uac00\uacf5\uc744 \uac70\uce5c \uacbd\ud654 \uacf5\uad6c\uac15\uc5d0\ub294 EDM \ud6c4 \uc751\ub825 \uc644\ud654 \ud15c\ud37c\ub9c1\uc774 \ud544\uc218\uc801\uc774\uba70, \ubc31\uc0c9\uce35\uc774 \uc81c\uac70\ub41c \ud6c4\uc5d0 \uc218\ud589\ud558\ub294 \uac83\uc774 \uac00\uc7a5 \uc88b\uc2b5\ub2c8\ub2e4. \uc7ac\ud15c\ud37c\ub9c1\uc740 \ud45c\uba74 \uc544\ub798\uc758 \ucde8\uc131\uc774 \uc788\ub294 \ubbf8\ud15c\ud37c\ub9c1 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub97c \ub354 \uac15\ud55c \ud15c\ud37c\ub9c1 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub85c \ubcc0\ud658\ud558\uace0 \uc2a4\ud30c\ud06c\ub85c \uc778\ud574 \ubc1c\uc0dd\ud55c \uc778\uc7a5 \uc794\ub958 \uc751\ub825\uc744 \uc644\ud654\ud569\ub2c8\ub2e4. \ucf54\uc5b4 \uacbd\ub3c4\ub97c \ubcf4\ud638\ud558\uae30 \uc704\ud574 \uc774 \ud15c\ud37c\ub9c1\uc740 \uacf5\uad6c\uc758 \ucd5c\ucd08 \uc5f4\ucc98\ub9ac\uc5d0\uc11c \uc0ac\uc6a9\ub41c \ucd5c\uc885 \ud15c\ud37c\ub9c1 \uc628\ub3c4\ubcf4\ub2e4 15~25\u00b0C(25~50\u00b0F) \ub0ae\uc740 \uc628\ub3c4\uc5d0\uc11c \uc9c4\ud589\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud53c\ub85c \uc218\uba85\uc774 \uc911\uc694\ud55c \uacbd\uc6b0 \uc1fc\ud2b8 \ud53c\ub2dd\uc744 \uace0\ub824\ud574 \ubcf4\uc138\uc694. \ubc29\uc804\uac00\uacf5(EDM)\uc740 \ud45c\uba74\uc5d0 \ubc14\ub78c\uc9c1\ud558\uc9c0 \uc54a\uc740 \uc778\uc7a5 \uc751\ub825\uc744 \ub0a8\uae30\uae30 \ub54c\ubb38\uc5d0 \uc1fc\ud2b8 \ud53c\ub2dd\uc740 \uc720\uc6a9\ud55c \ucd5c\uc885 \uacf5\uc815\uc785\ub2c8\ub2e4. \uc1fc\ud2b8 \ud53c\ub2dd\uc740 \uc555\ucd95 \uc751\ub825\uce35\uc744 \ud615\uc131\ud558\uc5ec \uc778\uc7a5 \uc751\ub825\uc744 \uc0c1\uc1c4\ud558\uace0 \uac00\uacf5 \uc911\uc5d0 \uc190\uc2e4\ub41c \ud53c\ub85c \uc218\uba85\uc744 \uc0c1\ub2f9 \ubd80\ubd84 \ud68c\ubcf5\uc2dc\ucf1c \uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-the-material-still-matters\" class=\"wp-block-heading\">\uc18c\uc7ac\ub294 \uc5ec\uc804\ud788 \uc911\uc694\ud569\ub2c8\ub2e4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud6c4\ucc98\ub9ac \uacf5\uc815\uc740 \uacf5\uad6c\ub97c \ubcf4\ud638\ud558\uc9c0\ub9cc, \uadf8 \uc2dc\uc791\uc740 \uc560\ucd08\uc5d0 \uc62c\ubc14\ub974\uac8c \uacbd\ud654 \ubc0f \ud15c\ud37c\ub9c1\ub41c \uac15\ucca0\uc5d0\uc11c \ube44\ub86f\ub429\ub2c8\ub2e4. \uade0\uc77c\ud55c \ud654\ud559\uc801 \uc870\uc131\uacfc \uacac\uace0\ud55c \uc6d0\uc7ac\ub8cc\uac00 \uc911\uc694\ud569\ub2c8\ub2e4. <a href=\"https:\/\/aobosteel.com\/ko\/tool-steel-heat-treatment-guide\/\">\uc5f4\ucc98\ub9ac<\/a> \ud45c\uba74\uc774 EDM\uc5d0 \uc5b4\ub5bb\uac8c \ubc18\uc751\ud558\ub294\uc9c0, \uadf8\ub9ac\uace0 \uc751\ub825 \uc644\ud654 \uc5f4\ucc98\ub9ac\uac00 \uc5bc\ub9c8\ub098 \uc608\uce21 \uac00\ub2a5\ud55c\uc9c0\ub97c \ud310\ub2e8\ud569\ub2c8\ub2e4. \uc544\uc624\ubcf4 \uc2a4\ud2f8\uc740 EDM \ub4f1\uae09 \uacf5\uad6c\uac15\uc744 \uacf5\uae09\ud558\uba70, \uc5ec\uae30\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. <a href=\"https:\/\/aobosteel.com\/ko\/d2-tool-steel\/\">\ub5142<\/a>, <a href=\"https:\/\/aobosteel.com\/ko\/h13-tool-steel\/\">H13<\/a>, \uadf8\ub9ac\uace0 \uae30\ud0c0 <a href=\"https:\/\/aobosteel.com\/ko\/cold-work-tool-steels\/\">\ub0c9\uac04 \uc791\uc5c5<\/a> \uadf8\ub9ac\uace0 <a href=\"https:\/\/aobosteel.com\/ko\/cold-work-tool-steels\/\">\uace0\uc628 \uc791\uc5c5<\/a> \uc5c4\uaca9\ud55c \ud488\uc9c8 \uad00\ub9ac\ub97c \ud1b5\ud574 \ube14\ub85d\ub9c8\ub2e4 \uc77c\uad00\ub41c \uacbd\ub3c4\uc640 \uad6c\uc870\ub97c \ubcf4\uc7a5\ud558\ub294 \ub2e4\uc591\ud55c \ub4f1\uae09\uc758 \uc81c\ud488\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ubb38\uc758 \uc0ac\ud56d\uc740 \uc800\ud76c\uc5d0\uac8c \uc5f0\ub77d\ud558\uc2ed\uc2dc\uc624. <a href=\"mailto:sales@aobosteel.com\">sales@aobosteel.com<\/a> \uadc0\uc0ac\uc758 \uacf5\uad6c\uc5d0 \ub300\ud55c \ub4f1\uae09 \ubc0f \uc0ac\uc591\uc744 \ub17c\uc758\ud558\uae30 \uc704\ud574.<\/p>","protected":false},"excerpt":{"rendered":"<p>EDM and Tool Steel: Managing the White Layer and Heat-Affected Zone Electrical discharge machining (EDM) removes electrically conductive material through repeated spark discharges between an electrode and the workpiece, both submerged in a dielectric fluid. The electrode never touches the steel, so the process generates no mechanical cutting force. That makes EDM the practical choice [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":16426,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[22],"tags":[],"class_list":["post-16425","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>EDM White Layer on Tool Steel | Aobo Steel Tool Steel Supplier<\/title>\n<meta name=\"description\" content=\"EDM leaves a brittle white layer and heat-affected zone on hardened tool steel. 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