{"id":527,"date":"2025-07-01T01:58:49","date_gmt":"2025-07-01T01:58:49","guid":{"rendered":"https:\/\/www.coefficientfriction.com\/?p=527"},"modified":"2025-07-01T01:58:50","modified_gmt":"2025-07-01T01:58:50","slug":"how-to-measure-coefficient-of-friction","status":"publish","type":"post","link":"https:\/\/www.coefficientfriction.com\/ko\/how-to-measure-coefficient-of-friction","title":{"rendered":"\ub9c8\ucc30 \uacc4\uc218\ub97c \uce21\uc815\ud558\ub294 \ubc29\ubc95: \uc804\uccb4 \uac00\uc774\ub4dc"},"content":{"rendered":"<p>\ud2b9\ud788 \ud3ec\uc7a5 \ubc0f \uc81c\uc870 \ubd84\uc57c\uc5d0\uc11c \uc7ac\ub8cc\uc758 \uc131\ub2a5\uc744 \uacb0\uc815\ud560 \ub54c\ub294 \ub9c8\ucc30 \uacc4\uc218\ub97c \uce21\uc815\ud558\ub294 \ubc29\ubc95\uc744 \uc774\ud574\ud558\ub294 \uac83\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774 \uce21\uc815\uc740 \uc7ac\ub8cc \ud2b9\uc131\uc744 \ud3c9\uac00\ud558\uace0 \ud3ec\uc7a5 \uacf5\uc815\uc744 \ucd5c\uc801\ud654\ud558\uba70 \ud488\uc9c8 \uad00\ub9ac\ub97c \ubcf4\uc7a5\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774 \uae30\uc0ac\uc5d0\uc11c\ub294 ASTM F1894 \ubc0f ISO 8295 \ud45c\uc900\uc744 \uc911\uc2ec\uc73c\ub85c \ub9c8\ucc30 \uacc4\uc218 \uce21\uc815\uacfc \uad00\ub828\ub41c \ubc29\ubc95\uacfc \uc7a5\ube44\ub97c \uc0b4\ud3b4\ubcf4\uace0 Cell Instruments\uc758 COF-01 \uc218\ud3c9 \ub9c8\ucc30 \ud14c\uc2a4\ud130\ub85c \ud14c\uc2a4\ud2b8 \uc815\ud655\ub3c4\ub97c \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \ud1b5\ucc30\ub825\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub9c8\ucc30 \uacc4\uc218 \uc774\ud574\ud558\uae30<\/h2>\n\n\n\n<p>\ub9c8\ucc30 \uacc4\uc218(COF)\ub294 \ud55c \uc7ac\ub8cc\uac00 \ub2e4\ub978 \uc7ac\ub8cc \uc704\ub85c \ubbf8\ub044\ub7ec\uc9c8 \ub54c \ubc1c\uc0dd\ud558\ub294 \uc800\ud56d\uc744 \uce21\uc815\ud55c \uac12\uc785\ub2c8\ub2e4. \uc774 \uce21\uc815\uc740 \ud3ec\uc7a5 \ubc0f \uc0dd\uc0b0 \ud658\uacbd\uc5d0\uc11c \ud544\ub984, \uc2dc\ud2b8 \ubc0f \uae30\ud0c0 \uc7ac\ub8cc\uc758 \uc131\ub2a5\uc744 \ud3c9\uac00\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uce21\uc815\ub418\ub294 \ub9c8\ucc30\uc5d0\ub294 \ud06c\uac8c \ub450 \uac00\uc9c0 \uc720\ud615\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc815\uc801 \ub9c8\ucc30:<\/strong> \ubb3c\uccb4\uac00 \uc815\uc9c0\ud574 \uc788\uc744 \ub54c \ubc1c\uc0dd\ud558\ub294 \uc800\ud56d\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ub3d9\uc801 \ub9c8\ucc30:<\/strong> \ubb3c\uccb4\uac00 \uc6c0\uc9c1\uc774\uae30 \uc2dc\uc791\ud558\uba74 \ubc1c\uc0dd\ud558\ub294 \ub9c8\ucc30\ub825\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p>\uc774\ub7ec\ud55c \uce21\uc815\uc740 \uc81c\uc870\uc5c5\uccb4\uac00 \ud544\ub984\uc774 \uc11c\ub85c \ub610\ub294 \uae08\uc18d\uacfc \uac19\uc740 \ub2e4\ub978 \ud45c\uba74\uc5d0 \ubbf8\ub044\ub7ec\uc9c8 \ub54c\uc640 \uac19\uc740 \ub2e4\uc591\ud55c \uc870\uac74\uc5d0\uc11c \uc7ac\ub8cc\uac00 \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud558\ub294\uc9c0 \uc774\ud574\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub9c8\ucc30 \uacc4\uc218\ub97c \uce21\uc815\ud558\ub294 \uac83\uc774 \uc911\uc694\ud55c \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n\n\n\n<p>\ud50c\ub77c\uc2a4\ud2f1 \ud544\ub984, \uc12c\uc720, \uc811\ucc29\uc81c\uc640 \uac19\uc740 \uc7ac\ub8cc\ub97c \ub2e4\ub8e8\ub294 \uc0b0\uc5c5\uc5d0\uc11c \ub9c8\ucc30 \ud2b9\uc131\uc740 \uc7ac\ub8cc\ub97c \uc5bc\ub9c8\ub098 \uc27d\uac8c \uac00\uacf5, \ucde8\uae09, \ud3ec\uc7a5\ud560 \uc218 \uc788\ub294\uc9c0\ub97c \uacb0\uc815\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ub9c8\ucc30\uc774 \ub192\uc73c\uba74 \uae30\uacc4\uac00 \ub9c9\ud788\uac70\ub098 \uac78\ub9ac\uac70\ub098, \ub9c8\ucc30\uc774 \ub108\ubb34 \uc801\uc73c\uba74 \ucde8\uae09\uc774 \uc5b4\ub835\uac70\ub098 \ubbf8\ub044\ub7ec\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9c8\ucc30\uc744 \uc815\ud655\ud558\uac8c \uce21\uc815\ud558\uba74 \uc0dd\uc0b0 \uacf5\uc815\uc744 \ubbf8\uc138 \uc870\uc815\ud558\uace0 \uc77c\uad00\ub41c \uc81c\ud488 \ud488\uc9c8\uc744 \ubcf4\uc7a5\ud558\uba70 \uae30\uacc4 \uc124\uc815\uc744 \ucd5c\uc801\ud654\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub9c8\ucc30 \uacc4\uc218 \uce21\uc815 \uae30\uc900<\/h2>\n\n\n\n<p>COF \ud14c\uc2a4\ud2b8\uc758 \uc815\ud655\uc131\uacfc \uc2e0\ub8b0\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \ub110\ub9ac \uc778\uc815\ubc1b\ub294 \ub450 \uac00\uc9c0 \ud45c\uc900\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/www.coefficientfriction.com\/ko\/astm-d1894\/\">ASTM D1894<\/a>:<\/strong> \uc774 \ud45c\uc900\uc740 \ud2b9\ud788 \ud3ec\uc7a5 \uc6a9\ub3c4\uc758 \ud50c\ub77c\uc2a4\ud2f1 \ud544\ub984 \ubc0f \uc2dc\ud2b8\uc758 \uc815\uc801 \ubc0f \uc6b4\ub3d9 \ub9c8\ucc30 \uacc4\uc218\ub97c \uce21\uc815\ud558\ub294 \ud14c\uc2a4\ud2b8 \ubc29\ubc95\uc744 \uc815\uc758\ud569\ub2c8\ub2e4. \uc774 \ud14c\uc2a4\ud2b8\ub294 \ub2e4\ub978 \ud45c\uba74\uacfc\uc758 \uc0c1\ud638\uc791\uc6a9 \ub4f1 \ud50c\ub77c\uc2a4\ud2f1 \ud544\ub984\uc774 \uc0ac\uc6a9\ub418\ub294 \uc870\uac74\uc744 \uc2dc\ubbac\ub808\uc774\uc158\ud558\uae30 \uc704\ud574 \uace0\uc548\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.coefficientfriction.com\/ko\/iso-8295\/\">ISO 8295<\/a>:<\/strong> \uc774 \uad6d\uc81c \ud45c\uc900\uc740 \ud50c\ub77c\uc2a4\ud2f1 \ud544\ub984\uacfc \uc2dc\ud2b8\uc758 \uc2dc\uc791 \ubc0f \uc2ac\ub77c\uc774\ub529 \ub9c8\ucc30 \uacc4\uc218 \uce21\uc815\uc5d0 \uc801\uc6a9\ub429\ub2c8\ub2e4. ASTM D1894\uc640 \uc720\uc0ac\ud558\uc9c0\ub9cc \ucee8\ub514\uc154\ub2dd \ubc0f \uc2dc\ud3b8 \uc900\ube44\uc5d0 \ub300\ud55c \uad6c\uccb4\uc801\uc778 \uc138\ubd80 \uc0ac\ud56d\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc5b4 \ud488\uc9c8 \uad00\ub9ac\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<p>\ub450 \ud45c\uc900 \ubaa8\ub450 \uade0\uc77c\ud55c \uc555\ub825 \ud558\uc5d0\uc11c \uc2dc\ud5d8\ud3b8\uc744 \ub193\uace0 \ub3d9\uc791\uc744 \uc2dc\uc791\ud558\uac70\ub098 \uc720\uc9c0\ud558\ub294 \ub370 \ud544\uc694\ud55c \ud798\uc744 \uce21\uc815\ud558\ub294 \uac83\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud14c\uc2a4\ud2b8\ub294 \uc7ac\ub8cc \ud2b9\uc131\uc744 \uc81c\uc5b4\ud558\uace0 \uc81c\ud488 \uc131\ub2a5\uc744 \ucd5c\uc801\ud654\ud558\ub294 \ub370 \ud544\uc694\ud55c \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ub370\uc774\ud130\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub9c8\ucc30 \ud14c\uc2a4\ud130\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec COF \uce21\uc815\ud558\uae30<\/h2>\n\n\n\n<p>\ub9c8\ucc30 \uacc4\uc218\ub97c \uce21\uc815\ud558\ub824\uba74 \ud2b9\uc218 \uc7a5\ube44\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. A <strong>\ub9c8\ucc30 \uc2dc\ud5d8\uae30<\/strong> \ub294 \ub450 \ud45c\uba74 \uc0ac\uc774\uc5d0 \uc791\uc6a9\ud558\ub294 \ud798\uc744 \uc815\ubc00\ud558\uac8c \uce21\uc815\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uae30\uacc4\ub294 \uc555\ub825, \uc18d\ub3c4 \ubc0f \uc628\ub3c4\uc758 \ubcc0\ud654\ub97c \ud3ec\ud568\ud558\uc5ec \ub2e4\uc591\ud55c \uc7ac\ub8cc\uc640 \uc870\uac74\uc744 \ud14c\uc2a4\ud2b8\ud558\ub3c4\ub85d \uc870\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\ub9c8\ucc30 \ud14c\uc2a4\ud130 \uae30\uacc4 \uac00\uaca9:<\/strong> \ub9c8\ucc30 \ud14c\uc2a4\ud130\uc758 \uac00\uaca9\uc740 \uae30\ub2a5, \uc815\ubc00\ub3c4 \ubc0f \uc0ac\uc6a9\uc790 \uc9c0\uc815 \uc635\uc158\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc740 \uace0\ud488\uc9c8 \ubaa8\ub378\uc740 <strong>Cell Instruments <\/strong><a href=\"https:\/\/www.coefficientfriction.com\/ko\/\"><strong>COF-01 \uc218\ud3c9\ud615<\/strong><\/a> \ub294 \uace0\uae09 \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\uba70 \uc815\uc801 \ubc0f \ub3d9\uc801 \ub9c8\ucc30 \ud14c\uc2a4\ud2b8\uc5d0 \ubaa8\ub450 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4. \ube44\uc6a9\uc740 \uc815\ud655\ud558\uace0 \ubc18\ubcf5 \uac00\ub2a5\ud55c \ud14c\uc2a4\ud2b8 \uacb0\uacfc\ub97c \ubcf4\uc7a5\ud558\uae30 \uc704\ud55c \ud22c\uc790\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub9c8\ucc30 \uacc4\uc218 \uce21\uc815\uc744 \uc704\ud55c \ub2e8\uacc4\ubcc4 \ud504\ub85c\uc138\uc2a4<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\ud14c\uc2a4\ud2b8 \ud45c\ubcf8 \uc900\ube44:<\/strong>\n<ul class=\"wp-block-list\">\n<li>\ud45c\uba74\uc774 \uade0\uc77c\ud55c \ub450 \uac1c\uc758 \ud14c\uc2a4\ud2b8 \uc2dc\ud3b8\uc744 \uc900\ube44\ud569\ub2c8\ub2e4. ASTM \ub610\ub294 ISO \uac00\uc774\ub4dc\ub77c\uc778\uc5d0 \ub530\ub77c 23 \u00b1 2\u00b0C \ubc0f 50 \u00b1 10% \uc0c1\ub300 \uc2b5\ub3c4\uc5d0\uc11c \uc7ac\ub8cc\ub97c \ucee8\ub514\uc154\ub2dd\ud574\uc57c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>ASTM D1894\uc758 \uacbd\uc6b0 \ud14c\uc2a4\ud2b8 \uc2dc\ud3b8\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ud50c\ub77c\uc2a4\ud2f1 \ud544\ub984 \ub610\ub294 \uc2dc\ud2b8\uc774\uba70, ISO 8295\uc758 \uacbd\uc6b0 \ud544\ub984\uacfc \uae30\ud0c0 \uc7ac\ub8cc\ub97c \uc11c\ub85c \ube44\uad50\ud558\uc5ec \ud14c\uc2a4\ud2b8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\ub9c8\ucc30 \ud14c\uc2a4\ud130 \uc124\uc815\ud558\uae30:<\/strong>\n<ul class=\"wp-block-list\">\n<li>\uccab \ubc88\uc9f8 \ud14c\uc2a4\ud2b8 \ud45c\ubcf8\uc744 \uc548\uc815\uc801\uc774\uace0 \uc218\ud3c9\uc778 \ud45c\uba74\uc5d0 \ub193\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ub450 \ubc88\uc9f8 \uc2dc\ud3b8\uc744 \uc370\ub9e4 \ub610\ub294 \ub2e4\ub978 \ud14c\uc2a4\ud2b8 \uc7a5\uce58\uc5d0 \ubd80\ucc29\ud558\uc5ec \ud45c\uba74\uc5d0 \uac00\ud574\uc9c0\ub294 \ud798\uc774 \uc77c\uc815\ud558\uac8c \uc720\uc9c0\ub418\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\ud14c\uc2a4\ud2b8 \uc2e4\uc2dc\ud558\uae30:<\/strong>\n<ul class=\"wp-block-list\">\n<li>\uc370\ub9e4 \ub610\ub294 \uc2dc\ud3b8 \uc911 \ud558\ub098\ub97c \ud45c\uba74\uc744 \uac00\ub85c\uc9c8\ub7ec \uc774\ub3d9\ud558\uc5ec \ud14c\uc2a4\ud2b8\ub97c \uc2dc\uc791\ud569\ub2c8\ub2e4. \uc6c0\uc9c1\uc784\uc744 \uc2dc\uc791\ud558\uace0 \uc720\uc9c0\ud558\ub294 \ub370 \ud544\uc694\ud55c \ud798\uc774 \uae30\ub85d\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc815\uc801 \ub9c8\ucc30\uc758 \uacbd\uc6b0 \uc2dc\ud3b8\uc774 \ubbf8\ub044\ub7ec\uc9c0\uae30 \uc2dc\uc791\ud558\uae30 \uc804\uc5d0 \ucd5c\ub300 \ud798\uc744 \uae30\ub85d\ud569\ub2c8\ub2e4. \ub3d9\uc801 \ub9c8\ucc30\uc758 \uacbd\uc6b0 \uc7ac\ub8cc\uac00 \uc6c0\uc9c1\uc774\uae30 \uc2dc\uc791\ud55c \ud6c4 \ud798\uc744 \uce21\uc815\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\uacb0\uacfc \ud574\uc11d\ud558\uae30:<\/strong>\n<ul class=\"wp-block-list\">\n<li>\uc815\uc801 \ub9c8\ucc30 \uacc4\uc218(\u03bcs)\ub294 \uc815\uc0c1 \ud798\uc5d0 \ub300\ud55c \ucd5c\ub300 \ud798\uc758 \ube44\uc728\ub85c \uacc4\uc0b0\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ub3d9\uc801 \ub9c8\ucc30 \uacc4\uc218(\u03bcd)\ub294 \uc774\ub3d9 \uc911 \ud3c9\uade0 \ud798\uc5d0\uc11c \ub3c4\ucd9c\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\uc62c\ubc14\ub978 \ub9c8\ucc30 \ud14c\uc2a4\ud130 \uc120\ud0dd\ud558\uae30<\/h2>\n\n\n\n<p>\uadf8\ub9ac\uace0 <strong>\uc140 \uc778\uc2a4\ud2b8\ub8e8\uba3c\ud2b8 COF-01 \uc218\ud3c9\ud615<\/strong> \ub9c8\ucc30 \ud14c\uc2a4\ud130\ub294 \uc815\uc801 \ub9c8\ucc30 \uacc4\uc218\uc640 \ub3d9\uc801 \ub9c8\ucc30 \uacc4\uc218\ub97c \uc815\ud655\ud558\uac8c \uce21\uc815\ud558\ub294 \ub370 \uc801\uadf9 \uad8c\uc7a5\ub418\ub294 \ub3c4\uad6c\uc785\ub2c8\ub2e4. \uc774 \ubaa8\ub378\uc740 \ud14c\uc2a4\ud2b8 \uc870\uac74\uc744 \uc815\ubc00\ud558\uac8c \uc81c\uc5b4\ud558\uace0 \ud50c\ub77c\uc2a4\ud2f1, \ud544\ub984 \ubc0f \uc9c1\ubb3c\uc744 \ud3ec\ud568\ud55c \ub2e4\uc591\ud55c \uc7ac\ub8cc\uc5d0 \ub300\ud574 \ubc18\ubcf5 \uac00\ub2a5\ud55c \uacb0\uacfc\ub97c \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \ub2e4\ubaa9\uc801\uc131\uacfc \uc0ac\uc6a9 \ud3b8\uc758\uc131\uc73c\ub85c \uc815\ubc00\ud55c \ub9c8\ucc30 \uce21\uc815\uc5d0 \uc758\uc874\ud558\ub294 \uc0b0\uc5c5 \ubd84\uc57c\uc758 \ud488\uc9c8 \uad00\ub9ac \ubc0f R&amp;D\uc5d0 \uadc0\uc911\ud55c \uc790\uc0b0\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uacb0\ub860<\/h2>\n\n\n\n<p>\ub9c8\ucc30 \uacc4\uc218\ub97c \uce21\uc815\ud558\ub294 \uac83\uc740 \uc7ac\ub8cc\uc758 \ud2b9\uc131\uc744 \uc774\ud574\ud558\uace0 \uc81c\uc870 \ubc0f \ud3ec\uc7a5\uc5d0 \uc788\uc5b4 \ucd5c\uc801\uc758 \uc131\ub2a5\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \uc788\uc5b4 \ub9e4\uc6b0 \uc911\uc694\ud55c \ub2e8\uacc4\uc785\ub2c8\ub2e4. ASTM D1894\uc640 \uac19\uc740 \ud45c\uc900\uc744 \uc900\uc218\ud558\uace0 <a href=\"https:\/\/www.coefficientfriction.com\/ko\/iso-8295\/\">ISO 8295<\/a> \ub294 \ud1b5\uc81c\ub41c \uc870\uac74\uc5d0\uc11c \ud14c\uc2a4\ud2b8\uac00 \uc218\ud589\ub418\uc5b4 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uacb0\uacfc\ub97c \uc81c\uacf5\ud55c\ub2e4\ub294 \uac83\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \ub2e4\uc74c\uacfc \uac19\uc740 \uace0\ud488\uc9c8 \uc7a5\ube44\uc5d0 \ud22c\uc790\ud568\uc73c\ub85c\uc368 <strong>\uc140 \uc778\uc2a4\ud2b8\ub8e8\uba3c\ud2b8 COF-01<\/strong>\ub97c \ud1b5\ud574 \uae30\uc5c5\uc740 \uc81c\ud488 \ud488\uc9c8\uc744 \uac1c\uc120\ud558\uace0 \uc0dd\uc0b0 \ud504\ub85c\uc138\uc2a4\ub97c \uac04\uc18c\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ud544\ub984, \uc2dc\ud2b8, \uc811\ucc29\uc81c\uc640 \uac19\uc740 \uc7ac\ub8cc\ub97c \ub2e4\ub8e8\ub294 \ubaa8\ub4e0 \ube44\uc988\ub2c8\uc2a4\uc5d0\uc11c \ub9c8\ucc30 \uacc4\uc218\ub97c \uce21\uc815\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uba74 \uc0dd\uc0b0 \ud6a8\uc728\uacfc \ud488\uc9c8 \ubcf4\uc99d\uc5d0\uc11c \uacbd\uc7c1 \uc6b0\uc704\ub97c \ud655\ubcf4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/cof-01.jpg\" alt=\"\" class=\"wp-image-528\" srcset=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/cof-01.jpg 1024w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/cof-01-300x300.jpg 300w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/cof-01-150x150.jpg 150w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/cof-01-768x768.jpg 768w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/cof-01-12x12.jpg 12w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"\ub9c8\ucc30 \uacc4\uc218 \ud14c\uc2a4\ud2b8 \uac00\uc774\ub4dc\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/wjEaNctP0KU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>","protected":false},"excerpt":{"rendered":"<p>\ud2b9\ud788 \ud3ec\uc7a5 \ubc0f \uc81c\uc870 \ubd84\uc57c\uc5d0\uc11c \uc7ac\ub8cc\uc758 \uc131\ub2a5\uc744 \uacb0\uc815\ud560 \ub54c\ub294 \ub9c8\ucc30 \uacc4\uc218\ub97c \uce21\uc815\ud558\ub294 \ubc29\ubc95\uc744 \uc774\ud574\ud558\ub294 \uac83\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774 \uce21\uc815\uc740 \uc7ac\ub8cc \ud2b9\uc131\uc744 \ud3c9\uac00\ud558\uace0 \ud3ec\uc7a5 \uacf5\uc815\uc744 \ucd5c\uc801\ud654\ud558\uba70 \ud488\uc9c8 \uad00\ub9ac\ub97c \ubcf4\uc7a5\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774 \ubb38\uc11c\uc5d0\uc11c\ub294 \ub9c8\ucc30 \uacc4\uc218\ub97c \uce21\uc815\ud558\ub294 \ubc29\ubc95\uacfc \uc7a5\ube44\uc5d0 \ub300\ud574 \uc0b4\ud3b4\ubcf4\uace0 [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-527","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Measure Coefficient of Friction - Coefficient of Friction Tester<\/title>\n<meta name=\"description\" content=\"Measure coefficient of friction effectively. 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