{"id":15941,"date":"2026-08-17T02:02:59","date_gmt":"2026-08-17T02:02:59","guid":{"rendered":"https:\/\/www.hndfcrane.com\/?post_type=posts&#038;p=15941"},"modified":"2026-08-17T02:03:02","modified_gmt":"2026-08-17T02:03:02","slug":"overhead-crane-girder-web-crack-analysis","status":"publish","type":"posts","link":"https:\/\/www.hndfcrane.com\/ko\/posts\/overhead-crane-girder-web-crack-analysis\/","title":{"rendered":"\uc624\ubc84\ud5e4\ub4dc \ud06c\ub808\uc778 \uac70\ub354 \uc6e8\ube0c \uade0\uc5f4 \ubd84\uc11d: \uc6d0\uc778 \ubc0f \ud574\uacb0\ucc45"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>\ubaa9\ucc28<\/p><nav><ul><li><a href=\"#1-root-causes-of-overhead-crane-girder-web-cracking\">1. \uc624\ubc84\ud5e4\ub4dc \ud06c\ub808\uc778 \uac70\ub354 \uc6e8\ube0c \uade0\uc5f4\uc758 \uadfc\ubcf8 \uc6d0\uc778<\/a><ul><li><a href=\"#1-1-stress-concentration\">1.1 \uc751\ub825 \uc9d1\uc911<\/a><\/li><li><a href=\"#1-2-welding-quality\">1.2 \uc6a9\uc811 \ud488\uc9c8<\/a><\/li><li><a href=\"#1-3-material-defects\">1.3 \uc7ac\ub8cc \uacb0\ud568<\/a><\/li><li><a href=\"#1-4-fatigue-loading\">1.4 \ud53c\ub85c \ud558\uc911<\/a><\/li><li><a href=\"#1-5-design-deficiencies\">1.5 \uc124\uacc4 \uacb0\ud568<\/a><\/li><li><a href=\"#1-6-overloading-and-improper-use\">1.6 \uacfc\ubd80\ud558 \ubc0f \ubd80\uc801\uc808\ud55c \uc0ac\uc6a9<\/a><\/li><li><a href=\"#1-7-vibration-and-impact\">1.7 \uc9c4\ub3d9 \ubc0f \ucda9\uaca9<\/a><\/li><\/ul><\/li><li><a href=\"#2-solutions-for-overhead-crane-girder-web-cracking\">2. \uc624\ubc84\ud5e4\ub4dc \ud06c\ub808\uc778 \uac70\ub354 \uc6e8\ube0c \uade0\uc5f4 \ud574\uacb0\ucc45<\/a><ul><li><a href=\"#2-1-improve-structural-design\">2.1 \uad6c\uc870 \uc124\uacc4 \uac1c\uc120<\/a><\/li><li><a href=\"#2-2-improve-welding-quality\">2.2 \uc6a9\uc811 \ud488\uc9c8 \ud5a5\uc0c1<\/a><\/li><li><a href=\"#2-3-ensure-material-quality\">2.3 \uc790\uc7ac \ud488\uc9c8 \ud655\ubcf4<\/a><\/li><li><a href=\"#2-4-operate-equipment-properly\">2.4 \uc7a5\ube44\ub97c \uc62c\ubc14\ub974\uac8c \uc791\ub3d9\ud558\uc2ed\uc2dc\uc624<\/a><\/li><li><a href=\"#2-5-perform-regular-maintenance-and-inspection\">2.5 \uc815\uae30\uc801\uc778 \uc720\uc9c0\ubcf4\uc218 \ubc0f \uc810\uac80 \uc2e4\uc2dc<\/a><\/li><\/ul><\/li><li><a href=\"#conclusion\">\uacb0\ub860<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>\uc624\ubc84\ud5e4\ub4dc \ud06c\ub808\uc778\uc758 \uc8fc \uac70\ub354 \ub05d\ub2e8\ubd80 \uac00\ubcc0 \ub2e8\uba74\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc6e8\ube0c \uade0\uc5f4\uc740 \uc7a5\uae30\uac04 \uc0ac\uc6a9 \uc2dc \ud754\ud788 \ubc1c\uc0dd\ud558\ub294 \uc2ec\uac01\ud55c \ubb38\uc81c\uc785\ub2c8\ub2e4. \uade0\uc5f4 \ubc1c\uc0dd \uc6d0\uc778\uc744 \uc774\ud574\ud558\ub294 \uac83\uc740 \uc608\ubc29 \ubc0f \ud574\uacb0\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \ubcf8 \ub17c\ubb38\uc5d0\uc11c\ub294 \uc624\ubc84\ud5e4\ub4dc \ud06c\ub808\uc778 \uc8fc \uac70\ub354 \ub05d\ub2e8\ubd80 \uac00\ubcc0 \ub2e8\uba74\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc6e8\ube0c \uade0\uc5f4\uc758 \uc6d0\uc778\uc744 \ubd84\uc11d\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2422\" height=\"1614\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/08\/Main-girder-end-web-crack.png\" alt=\"\" class=\"wp-image-15933\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/08\/Main-girder-end-web-crack.png 2422w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/08\/Main-girder-end-web-crack-1536x1024.png 1536w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/08\/Main-girder-end-web-crack-2048x1365.png 2048w\" sizes=\"(max-width: 2422px) 100vw, 2422px\" \/><figcaption class=\"wp-element-caption\">\uc8fc\ubcf4 \ub05d\ub2e8\ubd80 \uc6e8\ube0c \uade0\uc5f4: \uade0\uc5f4\uc740 \uc8fc\ubcf4\uc640 \ub05d\ub2e8 \uce90\ub9ac\uc9c0\uac00 \uc5f0\uacb0\ub418\ub294 \uac00\ubcc0 \ub2e8\uba74 \ubaa8\uc11c\ub9ac \ubd80\ubd84\uc5d0\uc11c \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-root-causes-of-overhead-crane-girder-web-cracking\">1. \uc624\ubc84\ud5e4\ub4dc \ud06c\ub808\uc778 \uac70\ub354 \uc6e8\ube0c \uade0\uc5f4\uc758 \uadfc\ubcf8 \uc6d0\uc778<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-1-stress-concentration\">1.1 \uc751\ub825 \uc9d1\uc911<\/h3>\n\n\n\n<p>\ub2e4\uc591\ud55c \uc791\uc5c5 \uc870\uac74\uc5d0\uc11c \uce58\uc218 \uc694\uad6c \uc0ac\ud56d\ubfd0 \uc544\ub2c8\ub77c \uac15\ub3c4 \ubc0f \uac15\uc131 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud558\uae30 \uc704\ud574 \uc8fc \uac70\ub354 \ub05d\ub2e8\uc740 \uc885\uc885 \uac00\ubcc0 \ub2e8\uba74\uc73c\ub85c \uc124\uacc4\ub429\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ub2e8\uba74 \ubcc0\ud654\uc5d0\uc11c\uc758 \uae30\ud558\ud559\uc801 \ubd88\uc5f0\uc18d\uc131\uc740 \uc751\ub825 \uc9d1\uc911\uc744 \uc720\ubc1c\ud558\uc5ec \uac00\ubcc0 \ub2e8\uba74\uc5d0\uc11c\uc758 \uc751\ub825\uc774 \ub2e4\ub978 \uc601\uc5ed\ubcf4\ub2e4 \ud6e8\uc52c \ub192\uc544\uc9d1\ub2c8\ub2e4. \uc751\ub825 \uc9d1\uc911 \uc601\uc5ed\uc740 \uade0\uc5f4 \ubc1c\uc0dd \ubc0f \uc804\ud30c\uc5d0 \ucde8\uc57d\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc624\ubc84\ud5e4\ub4dc \ud06c\ub808\uc778\uc758 \uc5ed\ud559\uc801 \ubd84\uc11d\uc5d0\uc11c \ub4f1\uac00 \uc751\ub825 \ubd84\ud3ec\ub294 \uac00\ubcc0 \ub2e8\uba74\uc5d0\uc11c \ub2e4\ub978 \uc601\uc5ed\ubcf4\ub2e4 \ud604\uc800\ud788 \ub192\uc740 \uc751\ub825\uc744 \ub098\ud0c0\ub0b4\ub294 \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1035\" height=\"690\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/08\/Equivalent-stress-contour-of-an-overhead-crane.png\" alt=\"\" class=\"wp-image-15938\"\/><\/figure>\n\n\n\n<p>\uc704\uc5d0\uc11c \ubd84\uc11d\ud55c \uc81c\ud488\uc740 \uac00\ubcc0 \ub2e8\uba74\uc5d0\uc11c \uacbd\uc0ac\uc9c4 \uc804\ud658\ubd80\ub97c \ud2b9\uc9d5\uc73c\ub85c \ud558\ub294 \ubc18\uba74, \uc774 \uacbd\uc6b0\uc758 \uad6c\uc870\ub294 \uc9c1\uac01 \uc804\ud658\ubd80\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud6e8\uc52c \ub354 \uc2ec\uac01\ud55c \uc751\ub825 \uc9d1\uc911 \uc870\uac74\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-2-welding-quality\">1.2 \uc6a9\uc811 \ud488\uc9c8<\/h3>\n\n\n\n<p>\uc6a9\uc811 \ud488\uc9c8\uc740 \uad6c\uc870\ubb3c\uc758 \uc548\uc804\uc131\uacfc \uc218\uba85\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ubd80\uc801\uc808\ud55c \uc6a9\uc811 \uc791\uc5c5\uc740 \uae30\uacf5, \uc2ac\ub798\uadf8 \ud63c\uc785, \ubd88\uc644\uc804 \uc6a9\uc785, \uc6a9\uc811 \uade0\uc5f4\uacfc \uac19\uc740 \uacb0\ud568\uc744 \uc27d\uac8c \ubc1c\uc0dd\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uacb0\ud568\uc740 \uc751\ub825 \uc9d1\uc911\uc810\uc73c\ub85c \uc791\uc6a9\ud558\uc5ec \uc678\ubd80 \ud558\uc911\uc744 \ubc1b\uc744 \ub54c \uade0\uc5f4 \ubc1c\uc0dd \uc9c0\uc810\uc774 \ub418\uae30 \uc27d\uc2b5\ub2c8\ub2e4. \uc6a9\uc811 \ud488\uc9c8 \ubb38\uc81c\ub294 \ubcf5\uc7a1\ud55c \uc6a9\uc811 \ud615\uc0c1\uc73c\ub85c \uc778\ud574 \ub2e8\uba74\uc774 \ubcc0\ud558\ub294 \ubd80\ubd84\uc5d0\uc11c \ub354\uc6b1 \ubc1c\uc0dd\ud558\uae30 \uc27d\uc2b5\ub2c8\ub2e4. \ud2b9\ud788, \ub2e8\uba74\uc774 \ubcc0\ud558\ub294 \uc6a9\uc811\ubd80\uc758 \uc9c1\uac01 \ubaa8\uc11c\ub9ac \ubd80\ubd84\uc5d0\uc11c\ub294 \uc6a9\uc811 \ud488\uc9c8\uc744 \ubcf4\uc7a5\ud558\uae30\uac00 \uc5b4\ub835\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-3-material-defects\">1.3 \uc7ac\ub8cc \uacb0\ud568<\/h3>\n\n\n\n<p>\ube44\uae08\uc18d \uac1c\uc7ac\ubb3c, \uae30\uacf5, \ubbf8\uc138 \uade0\uc5f4\uacfc \uac19\uc740 \ub0b4\ubd80 \uacb0\ud568\uc740 \uc0dd\uc0b0 \uacfc\uc815 \uc911 \uacf5\uc815 \ubb38\uc81c\ub85c \uc778\ud574 \uac15\ucca0\uc5d0 \uc874\uc7ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uacb0\ud568\uc740 \uc751\ub825\uc744 \ubc1b\uc73c\uba74 \uc804\ud30c\ub418\uc5b4 \ub208\uc5d0 \ubcf4\uc774\ub294 \uade0\uc5f4\ub85c \ubc1c\uc804\ud558\ub294 \uacbd\ud5a5\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \uc11c\ub85c \ub2e4\ub978 \ubc30\uce58 \uac04\uc758 \uc7ac\ub8cc \ud2b9\uc131 \ucc28\uc774\ub294 \uad6d\ubd80\uc801\uc778 \uc751\ub825 \uc9d1\uc911\uc744 \uc720\ubc1c\ud558\uc5ec \uade0\uc5f4 \ubc1c\uc0dd\uc758 \uc6d0\uc778\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc0ac\ub840\uc5d0 \ub300\ud55c \uc7ac\ub8cc \uc815\ubcf4\uac00 \uc5c6\uc73c\ubbc0\ub85c \uc7ac\ub8cc \uacb0\ud568\uc774 \uc6d0\uc778\uc77c \uac00\ub2a5\uc131\uc744 \ubc30\uc81c\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-4-fatigue-loading\">1.4 \ud53c\ub85c \ud558\uc911<\/h3>\n\n\n\n<p>\uc624\ubc84\ud5e4\ub4dc \ud06c\ub808\uc778\uc740 \uc791\ub3d9 \uc911 \ubc18\ubcf5\uc801\uc778 \ub3d9\uc801 \ud558\uc911\uc744 \uc790\uc8fc \ubc1b\uc2b5\ub2c8\ub2e4. \uc8fc \uac70\ub354\uc758 \uac00\ubcc0 \ub2e8\uba74\uc740 \ud2b9\ud788 \ud558\uc911\uc744 \ub4e4\uc5b4 \uc62c\ub9b4 \ub54c \uc8fc\uae30\uc801\uc778 \uc751\ub825 \ubcc0\ud654\ub97c \uacaa\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc18\ubcf5\uc801\uc778 \uc751\ub825 \ubcc0\ud654\ub294 \uc7ac\ub8cc\uc758 \ud53c\ub85c \ud30c\uad34\ub85c \uc774\uc5b4\uc9c0\ub294\ub370, \uc7ac\ub8cc\uc758 \ud56d\ubcf5 \uac15\ub3c4 \uc774\ud558\uc758 \uc751\ub825 \uc218\uc900\uc5d0\uc11c\ub3c4 \uc7a5\uae30\uac04 \uc0ac\uc6a9 \ud6c4 \ud53c\ub85c \uade0\uc5f4\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac00\ubcc0 \ub2e8\uba74\uc740 \uc751\ub825 \uc9d1\uc911\uacfc \uc7ac\ub8cc \ud53c\ub85c\uc758 \ubcf5\ud569\uc801\uc778 \uc601\ud5a5\uc73c\ub85c \uc778\ud574 \uade0\uc5f4 \ubc1c\uc0dd\uc5d0 \ub354\uc6b1 \ucde8\uc57d\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-5-design-deficiencies\">1.5 \uc124\uacc4 \uacb0\ud568<\/h3>\n\n\n\n<p>\uade0\uc5f4 \ubc1c\uc0dd \uc704\ud5d8\uc744 \ub192\uc774\ub294 \uc124\uacc4 \uc694\uc778\uc73c\ub85c\ub294 \ub9e4\ub044\ub7ec\uc6b4 \uc724\uacfd \ucc98\ub9ac\uac00 \uc5c6\ub294 \uae09\uaca9\ud55c \ub2e8\uba74 \ubcc0\ud654, \uc751\ub825 \uc9d1\uc911 \ud6a8\uacfc\ub97c \uc801\uc808\ud788 \uace0\ub824\ud558\uc9c0 \uc54a\uc740 \uacbd\uc6b0, \ud53c\ub85c \uc124\uacc4 \uace0\ub824 \uc0ac\ud56d\uc744 \ubb34\uc2dc\ud55c \uacbd\uc6b0 \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc124\uacc4 \ub2e8\uacc4\uc5d0\uc11c \ub2e8\uba74 \ubcc0\ud654 \ubd80\ubd84\uc5d0 \ucca0\uadfc\uc744 \ubc30\uce58\ud558\uc9c0 \uc54a\ub294 \uac83 \ub610\ud55c \uc7a5\uae30 \uc0ac\uc6a9 \uc2dc \uade0\uc5f4 \ubc1c\uc0dd\uc758 \uc6d0\uc778\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc801\uc808\ud55c \uc124\uacc4\ub294 \uade0\uc5f4 \ubc1c\uc0dd\uc744 \uc904\uc774\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-6-overloading-and-improper-use\">1.6 \uacfc\ubd80\ud558 \ubc0f \ubd80\uc801\uc808\ud55c \uc0ac\uc6a9<\/h3>\n\n\n\n<p>\ud06c\ub808\uc778\uc740 \uad00\ub828 \ud45c\uc900\uc5d0 \ub530\ub77c \uc77c\uc815 \uc548\uc804 \uc5ec\uc720\ub97c \ub450\uace0 \uc124\uacc4\ub418\uc9c0\ub9cc, \uc2e4\uc81c \uc791\uc5c5\uc5d0\uc11c\ub294 \uacfc\ubd80\ud558, \ube44\uc2a4\ub4ec\ud55c \ub2f9\uae40 \ub610\ub294 \ub300\uac01\uc120 \uc778\uc591\uc774 \ub4dc\ubb3c\uc9c0 \uc54a\uac8c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc7a6\uc740 \uacfc\ubd80\ud558\uc640 \ubd80\uc801\uc808\ud55c \uc778\uc591 \uc791\uc5c5\uc740 \uc8fc \uac70\ub354\uc5d0 \uc124\uacc4\uac12\uc744 \ucd08\uacfc\ud558\ub294 \uc751\ub825\uc744 \uac00\ud558\uc5ec \uad6d\ubd80\uc801\uc778 \uc751\ub825 \uc9d1\uc911, \uc7ac\ub8cc \ud53c\ub85c \uac00\uc18d, \uadf8\ub9ac\uace0 \uad81\uadf9\uc801\uc73c\ub85c \uade0\uc5f4 \ubc1c\uc0dd\uc73c\ub85c \uc774\uc5b4\uc9d1\ub2c8\ub2e4. \uacfc\ubd80\ud558\ub294 \ub610\ud55c \uad6c\uc870\uc801 \ubcc0\ud615\uc744 \uc77c\uc73c\ucf1c \uc751\ub825 \uc9d1\uc911\uacfc \uade0\uc5f4 \uc804\ud30c\ub97c \ub354\uc6b1 \uc2ec\ud654\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-7-vibration-and-impact\">1.7 \uc9c4\ub3d9 \ubc0f \ucda9\uaca9<\/h3>\n\n\n\n<p>\ud06c\ub808\uc778\uc740 \uc791\ub3d9 \uc911 \ud544\uc5f0\uc801\uc73c\ub85c \uc9c4\ub3d9\uacfc \ucda9\uaca9\uc5d0 \ub178\ucd9c\ub429\ub2c8\ub2e4. \ub808\uc77c \uc774\uc74c\ub9e4 \uac04\uaca9\uc774 \uc9c0\ub098\uce58\uac8c \ub113\uc73c\uba74 \ud06c\ub808\uc778\uc774 \ub808\uc77c \uc774\uc74c\ub9e4\ub97c \ud1b5\uacfc\ud560 \ub54c \uc0c1\ub2f9\ud55c \ucda9\uaca9 \ud558\uc911\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc7a5\uae30\uac04\uc758 \uc9c4\ub3d9\uacfc \ucda9\uaca9\uc740 \ud53c\ub85c \uc190\uc0c1\uc744 \uc720\ubc1c\ud558\uace0 \ubbf8\uc138 \uade0\uc5f4\uc758 \ud655\uc0b0\uc744 \ucd09\uc9c4\ud569\ub2c8\ub2e4. \uade0\uc5f4\uc740 \uc751\ub825 \uc9d1\uc911\uc774 \uc774\ubbf8 \ubc1c\uc0dd\ud55c \ub2e8\uba74\uc801\uc758 \ubcc0\ud654\ud558\ub294 \ubd80\ubd84\uc5d0\uc11c \ubc1c\uc0dd \ubc0f \uc804\ud30c\ub420 \uac00\ub2a5\uc131\uc774 \ub354 \ub192\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-solutions-for-overhead-crane-girder-web-cracking\">2. \uc624\ubc84\ud5e4\ub4dc \ud06c\ub808\uc778 \uac70\ub354 \uc6e8\ube0c \uade0\uc5f4 \ud574\uacb0\ucc45<\/h2>\n\n\n\n<p>\uc624\ubc84\ud5e4\ub4dc \ud06c\ub808\uc778 \uc8fc \uac70\ub354 \ub05d\ub2e8\uc758 \uac00\ubcc0 \ub2e8\uba74\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc6e8\ube0c \uade0\uc5f4\uc744 \uc608\ubc29\ud558\uace0 \uc904\uc774\uae30 \uc704\ud574 \ud3ec\uad04\uc801\uc778 \uc870\uce58\ub97c \ucde8\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-1-improve-structural-design\">2.1 \uad6c\uc870 \uc124\uacc4 \uac1c\uc120<\/h3>\n\n\n\n<p>\uc751\ub825 \uc9d1\uc911\uc744 \uc904\uc774\uae30 \uc704\ud574 \ubd80\ub4dc\ub7fd\uace0 \uc810\uc9c4\uc801\uc778 \uc804\ud658\uc744 \uc0ac\uc6a9\ud558\uc5ec \uac00\ubcc0 \ub2e8\uba74 \uc124\uacc4\ub97c \ucd5c\uc801\ud654\ud558\uc2ed\uc2dc\uc624. \uc7a5\uae30\uc801\uc778 \ud53c\ub85c \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 \ud53c\ub85c \uc124\uacc4\ub97c \ud1b5\ud569\ud558\uc2ed\uc2dc\uc624. \uad8c\uc7a5\ub418\ub294 \ubcf4\uac15 \uc870\uce58\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"720\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/08\/Adding-a-gusset-plate-at-the-connection-plate.png\" alt=\"\" class=\"wp-image-15947\"\/><\/figure>\n\n\n\n<p>\uc544\ub798 \uadf8\ub9bc\uacfc \uac19\uc774 \uc5f0\uacb0\ubd80\uc5d0 \uc0bc\uac01\ud615 \ubcf4\uac15\ud310\uc744 \ucd94\uac00\ud558\uc5ec \uad6d\ubd80\uc801\uc778 \uac15\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2496\" height=\"1664\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/08\/Reinforcement-plate-scheme.png\" alt=\"\" class=\"wp-image-15935\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/08\/Reinforcement-plate-scheme.png 2496w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/08\/Reinforcement-plate-scheme-1536x1024.png 1536w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/08\/Reinforcement-plate-scheme-2048x1365.png 2048w\" sizes=\"(max-width: 2496px) 100vw, 2496px\" \/><\/figure>\n\n\n\n<p>\ub610 \ub2e4\ub978 \uc811\uadfc \ubc29\uc2dd\uc740 \uc544\ub798 \uadf8\ub9bc\uacfc \uac19\uc774 \ud328\uce58\ub97c \uc774\uc6a9\ud55c \ubcf4\uac15\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2496\" height=\"1664\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/08\/Reinforcement-by-patching.png\" alt=\"\" class=\"wp-image-15936\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/08\/Reinforcement-by-patching.png 2496w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/08\/Reinforcement-by-patching-1536x1024.png 1536w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/08\/Reinforcement-by-patching-2048x1365.png 2048w\" sizes=\"(max-width: 2496px) 100vw, 2496px\" \/><\/figure>\n\n\n\n<p>\ud558\uc9c0\ub9cc \uae30\uc874 \uad6c\uc870\ubb3c\uc758 \uc6e8\ube0c \ud558\ub2e8\uc5d0 \uc774\ubbf8 \ubcf4\uac15\ud310\uc774 \uc788\uae30 \ub54c\ubb38\uc5d0, \uc0c8\ub85c\uc6b4 \ubcf4\uac15\ud310\uc744 \uc124\uce58\ud560 \ub54c\ub294 \uae30\uc874 \ubcf4\uac15\ud310\uacfc\uc758 \uac04\uc12d\uc744 \ud53c\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \uc778\uc811\ud55c \uc6a9\uc811 \ubd80\uc704\uc5d0 \uc751\ub825 \uc9d1\uc911 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-2-improve-welding-quality\">2.2 \uc6a9\uc811 \ud488\uc9c8 \ud5a5\uc0c1<\/h3>\n\n\n\n<p>\uacb0\ud568 \uc5c6\ub294 \uc6a9\uc811\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \uc6a9\uc811 \uc808\ucc28\ub97c \uc5c4\uaca9\ud558\uac8c \uad00\ub9ac\ud558\uc2ed\uc2dc\uc624. \ucd08\uc74c\ud30c \uac80\uc0ac(UT) \ubc0f \ubc29\uc0ac\uc120 \ud22c\uacfc \uac80\uc0ac(RT)\uc640 \uac19\uc740 \ucca8\ub2e8 \uc6a9\uc811 \uae30\uc220 \ubc0f \uac80\uc0ac \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc6a9\uc811 \uacb0\ud568\uc744 \uc2e0\uc18d\ud558\uac8c \ubc1c\uacac\ud558\uace0 \uc218\ub9ac\ud558\uc2ed\uc2dc\uc624. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-3-ensure-material-quality\">2.3 \uc790\uc7ac \ud488\uc9c8 \ud655\ubcf4<\/h3>\n\n\n\n<p>\ucd08\uae30 \uacb0\ud568\uc774 \uc5c6\ub294 \uace0\ud488\uc9c8 \uc7ac\ub8cc\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \uc7ac\ub8cc \ud2b9\uc131\uc774 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud558\ub294\uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud574 \uc815\uae30\uc801\uc778 \uc7ac\ub8cc \ud14c\uc2a4\ud2b8\ub97c \uc2e4\uc2dc\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-4-operate-equipment-properly\">2.4 \uc7a5\ube44\ub97c \uc62c\ubc14\ub974\uac8c \uc791\ub3d9\ud558\uc2ed\uc2dc\uc624<\/h3>\n\n\n\n<p>\uacfc\ubd80\ud558\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc791\uc5c5\uc790\uc5d0\uac8c \ud544\uc694\ud55c \uad50\uc721\uc744 \uc81c\uacf5\ud558\uc2ed\uc2dc\uc624. \uc7a5\ube44\uc758 \uc218\uba85\uc744 \uc5f0\uc7a5\ud558\uae30 \uc704\ud574 \uc124\uacc4 \uc0ac\uc591\uc5d0 \ub530\ub77c \uc7a5\ube44\ub97c \uc791\ub3d9 \ubc0f \uc720\uc9c0 \uad00\ub9ac\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-5-perform-regular-maintenance-and-inspection\">2.5 \uc815\uae30\uc801\uc778 \uc720\uc9c0\ubcf4\uc218 \ubc0f \uc810\uac80 \uc2e4\uc2dc<\/h3>\n\n\n\n<p>\uc624\ubc84\ud5e4\ub4dc \ud06c\ub808\uc778\uc5d0 \ub300\ud55c \uc815\uae30\uc801\uc778 \uc720\uc9c0 \ubcf4\uc218 \uc810\uac80\uc744 \uc2e4\uc2dc\ud558\uace0, \ud2b9\ud788 \uac00\ubcc0 \ub2e8\uba74\uc801\uc744 \uc8fc\uc758 \uae4a\uac8c \ubaa8\ub2c8\ud130\ub9c1\ud558\uc5ec \uade0\uc5f4\uc744 \uc2e0\uc18d\ud558\uac8c \ubc1c\uacac\ud558\uace0 \uc218\ub9ac\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">\uacb0\ub860<\/h2>\n\n\n\n<p>\ubcf8 \uc624\ubc84\ud5e4\ub4dc \ud06c\ub808\uc778 \uac70\ub354 \uc6e8\ube0c \uade0\uc5f4 \ubd84\uc11d\uc5d0\uc11c \uc81c\uc2dc\ub41c \uc870\uce58\ub294 \uc624\ubc84\ud5e4\ub4dc \ud06c\ub808\uc778 \uc8fc \uac70\ub354 \ub05d\ub2e8\ubd80\uc758 \uac00\ubcc0 \ub2e8\uba74\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc6e8\ube0c \uade0\uc5f4\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \uc608\ubc29 \ubc0f \uac10\uc18c\uc2dc\ucf1c \uc7a5\ube44\uc758 \uc548\uc804\ud55c \uc791\ub3d9\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>","protected":false},"excerpt":{"rendered":"Web cracking at the variable cross-section at the end of the main girder is a common and serious problem in overhead cranes during long-term service. Understanding the causes of crack formation is essential for prevention and resolution. The following is an analysis of the causes of web cracking at the variable cross-section at the end [&hellip;]","protected":false},"featured_media":15933,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[197],"posts_tag":[247],"acf":[],"_links":{"self":[{"href":"https:\/\/www.hndfcrane.com\/ko\/wp-json\/wp\/v2\/xmxposts\/15941"}],"collection":[{"href":"https:\/\/www.hndfcrane.com\/ko\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.hndfcrane.com\/ko\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":7,"href":"https:\/\/www.hndfcrane.com\/ko\/wp-json\/wp\/v2\/xmxposts\/15941\/revisions"}],"predecessor-version":[{"id":15951,"href":"https:\/\/www.hndfcrane.com\/ko\/wp-json\/wp\/v2\/xmxposts\/15941\/revisions\/15951"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hndfcrane.com\/ko\/wp-json\/wp\/v2\/media\/15933"}],"wp:attachment":[{"href":"https:\/\/www.hndfcrane.com\/ko\/wp-json\/wp\/v2\/media?parent=15941"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/ko\/wp-json\/wp\/v2\/posts_category?post=15941"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/ko\/wp-json\/wp\/v2\/posts_tag?post=15941"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}