{"id":19512,"date":"2024-05-10T14:03:14","date_gmt":"2024-05-10T06:03:14","guid":{"rendered":"https:\/\/firstmold.com\/?p=19512"},"modified":"2025-08-11T15:54:54","modified_gmt":"2025-08-11T07:54:54","slug":"black-spots-and-black-specks","status":"publish","type":"post","link":"https:\/\/firstmold.com\/ko\/tips\/black-spots-and-black-specks\/","title":{"rendered":"\uc0ac\ucd9c \uc131\ud615\uc758 \uac80\uc740 \ubc18\uc810 \ubc0f \uac80\uc740 \uc5bc\ub8e9"},"content":{"rendered":"<p>\uc624\ub298\uc740 \uacc4\uc18d\ud574\uc11c \uc77c\ubc18\uc801\uc778 <a href=\"https:\/\/firstmold.com\/ko\/tips\/injection-molding-defects\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\uc0ac\ucd9c \uc131\ud615 \uacb0\ud568<\/strong><\/a>-\uac80\uc740 \ubc18\uc810 \ubc0f \uac80\uc740 \ubc18\uc810. \uc774\ub7ec\ud55c \uacb0\ud568\uc740 \ub300\ubd80\ubd84\uc758 \uc0ac\ucd9c \uc131\ud615 \uacf5\uc815\uc5d0\uc11c \uc790\uc8fc \ub098\ud0c0\ub098\uba70, \uc81c\ud488 \uc694\uad6c \uc0ac\ud56d\uc774 \ub192\uc744\uc218\ub85d \ube14\ub799 \uc2a4\ud31f\uc758 \ube44\uc728\uc744 \uc81c\uc5b4\ud558\uae30\uac00 \ub354 \uc5b4\ub824\uc6cc\uc838 \uc0c1\ub2f9\ud55c \uc190\uc2e4\ub85c \uc774\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc0dd\uc0b0 \uacfc\uc815\uc5d0\uc11c \ube14\ub799 \uc2a4\ud31f \uacb0\ud568\uc758 \ube44\uc728\uc744 \uc904\uc774\ub294 \uac83\uc774 \uc81c\uc870\uc5c5\uccb4\uc758 \ube44\uc6a9 \uc808\uac10\uc5d0 \uc911\uc694\ud55c \ubc29\ubc95\uc774 \ub418\uc5c8\uc2b5\ub2c8\ub2e4!<\/p>\n\n\n\n<p>\uac80\uc740 \ubc18\uc810\uc758 \ubc1c\uc0dd\uc740 \uc81c\ud488 \ub514\uc790\uc778\uacfc \uad00\ub828\uc774 \uc5c6\uc9c0\ub9cc \uc0b0\uc5c5 \ub514\uc790\uc774\ub108\ub294 \uc774\ub97c \uc2dd\ubcc4\ud558\ub294 \ubc29\ubc95\uc744 \ubc30\uc6cc\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/The-Injection-Molding-Research-Laboratory-is-investigating-the-causes-of-black-spot-defects.webp\" alt=\"\uc0ac\ucd9c \uc131\ud615 \uc5f0\uad6c\uc18c\uc5d0\uc11c \ube14\ub799 \uc2a4\ud31f \uacb0\ud568\uc758 \uc6d0\uc778\uc744 \uc870\uc0ac\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.\" class=\"wp-image-31644\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/The-Injection-Molding-Research-Laboratory-is-investigating-the-causes-of-black-spot-defects.webp 1200w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/The-Injection-Molding-Research-Laboratory-is-investigating-the-causes-of-black-spot-defects-300x169.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/The-Injection-Molding-Research-Laboratory-is-investigating-the-causes-of-black-spot-defects-1024x576.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/The-Injection-Molding-Research-Laboratory-is-investigating-the-causes-of-black-spot-defects-768x432.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/The-Injection-Molding-Research-Laboratory-is-investigating-the-causes-of-black-spot-defects-18x10.webp 18w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/The-Injection-Molding-Research-Laboratory-is-investigating-the-causes-of-black-spot-defects-600x338.webp 600w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p>\uc0ac\ucd9c \uc131\ud615\uc758 \ub2e4\ub978 \uacb0\ud568\uc5d0 \uad00\uc2ec\uc774 \uc788\ub294 \uacbd\uc6b0 \uc544\ub798 \ub9c1\ud06c\ub97c \ud074\ub9ad\ud558\uc5ec \uc790\uc138\ud788 \uc54c\uc544\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><th class=\"has-text-align-center\" data-align=\"center\" colspan=\"5\">\ub2e4\uc591\ud55c \uc0ac\ucd9c \uc131\ud615 \uacb0\ud568 \uc774\ud574<\/th><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/ko\/tips\/flash-in-injection-molding\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\ud50c\ub798\uc2dc<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/ko\/tips\/short-shot-in-injection-molding\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\uc1fc\ud2b8 \uc0f7<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/ko\/tips\/sink-marks\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\uc2f1\ud06c \ub9c8\ud06c<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/ko\/tips\/warpage-in-injection-molding\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\ub4a4\ud2c0\ub9bc\/\ubcc0\ud615<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/ko\/tips\/burn-marks\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\ubc88 \ub9c8\ud06c<\/strong><\/a><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/ko\/tips\/splay-marks-silver-streaks-in-injeciton-molding\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\uc2a4\ud504\ub808\ub4dc \ub9c8\ud06c\/\uc740\uc0c9 \uc904\ubb34\ub2ac<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>\ub2e4\ud06c \uc2a4\ud31f\/\uac80\uc740 \ubc18\uc810<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/ko\/tips\/flow-marks\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\ud750\ub984 \ud45c\uc2dc<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/ko\/tips\/bubbles\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Bubble<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/ko\/tips\/weld-lines\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\uc6a9\uc811 \ub77c\uc778<\/strong><\/a><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/ko\/tips\/uneven-color-and-color-difference\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\uc0c9\uc0c1 \ucc28\uc774\/\uace0\ub974\uc9c0 \uc54a\uc740 \uc0c9\uc0c1<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><a href=\"https:\/\/firstmold.com\/ko\/tips\/ejector-pin-marks\/\" target=\"_blank\" rel=\"noreferrer noopener\">\uc774\uc81d\ud130 \ud540 \ub9c8\ud06c<\/a><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-are-black-spots-and-black-specks-in-injection-molding\">\uc0ac\ucd9c \uc131\ud615\uc5d0\uc11c \uac80\uc740 \ubc18\uc810\uacfc \uac80\uc740 \uc5bc\ub8e9\uc774\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n\n\n\n<p>\uac80\uc740 \ubc18\uc810\uc740 \ud50c\ub77c\uc2a4\ud2f1 \uc81c\ud488\uc758 \uc6a9\uc811\uc120, \ub4b7\uba74 \ub9ac\ube0c, \ub3cc\ucd9c\ubd80 \ub610\ub294 \ud750\ub984\uc774 \ub05d\ub098\ub294 \ubaa8\uc11c\ub9ac \uadfc\ucc98\uc5d0 \ud615\uc131\ub418\ub294 \uad6d\uc18c\uc801\uc778 \ud0c4\ud654 \ud604\uc0c1\uc744 \ub9d0\ud569\ub2c8\ub2e4. \uac80\uc740 \ubc18\uc810\uc740 \ub2e4\uc591\ud55c \uc704\uce58\uc5d0\uc11c \ubd88\uaddc\uce59\uc801\uc73c\ub85c \ub098\ud0c0\ub0a0 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \ub54c\ub85c\ub294 \uc774\ub7ec\ud55c \uac80\uc740 \ubc18\uc810\uc774 \uc120\uc73c\ub85c \ubd84\ud3ec\ub418\uc5b4 \uac80\uc740 \uc120\uc744 \ud615\uc131\ud558\uae30\ub3c4 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Black-Specks-on-red-injection-molded-parts.webp\" alt=\"\ube68\uac04\uc0c9 \uc0ac\ucd9c \uc131\ud615 \ubd80\ud488\uc758 \uac80\uc740\uc0c9 \uc5bc\ub8e9\" class=\"wp-image-31640\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Black-Specks-on-red-injection-molded-parts.webp 1280w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Black-Specks-on-red-injection-molded-parts-300x169.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Black-Specks-on-red-injection-molded-parts-1024x576.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Black-Specks-on-red-injection-molded-parts-768x432.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Black-Specks-on-red-injection-molded-parts-18x10.webp 18w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Black-Specks-on-red-injection-molded-parts-600x338.webp 600w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Black-spots-are-a-relatively-common-defect-in-injection-molding.webp\" alt=\"\uac80\uc740 \ubc18\uc810\uc740 \uc0ac\ucd9c \uc131\ud615\uc5d0\uc11c \ube44\uad50\uc801 \ud754\ud55c \uacb0\ud568\uc785\ub2c8\ub2e4.\" class=\"wp-image-31641\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Black-spots-are-a-relatively-common-defect-in-injection-molding.webp 1280w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Black-spots-are-a-relatively-common-defect-in-injection-molding-300x169.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Black-spots-are-a-relatively-common-defect-in-injection-molding-1024x576.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Black-spots-are-a-relatively-common-defect-in-injection-molding-768x432.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Black-spots-are-a-relatively-common-defect-in-injection-molding-18x10.webp 18w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Black-spots-are-a-relatively-common-defect-in-injection-molding-600x338.webp 600w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-distribution-characteristics-of-black-spots\">\ube14\ub799 \uc2a4\ud31f\uc758 \ubd84\ud3ec \ud2b9\uc131<\/h3>\n\n\n\n<p>\uac80\uc740 \ubc18\uc810\uacfc \ubd88\uc21c\ubb3c\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ubc18\uc0ac\ub418\uc9c0 \uc54a\ub294 \uac80\uc740\uc0c9 \ub610\ub294 \uac08\uc0c9\uc758 \uc791\uc740 \uc785\uc790\uac00 \ud2b9\uc9d5\uc774\uba70, \ud070 \uacbd\uc6b0 \ubd88\uc21c\ubb3c\uc774 \uce35\uc744 \uc774\ub8e8\uace0 \ubd80\uc11c\uc9c0\uae30 \uc27d\uace0 \uae68\uc9c0\uae30 \uc26c\uc6b0\uba70 \uae68\uc9c4 \ud6c4 \ub2e4\uacf5\uc131\uc778 \uac83\ucc98\ub7fc \ubcf4\uc785\ub2c8\ub2e4. \ubd88\uc21c\ubb3c \ubd84\ud3ec\uc5d0\ub294 \ub450 \uac00\uc9c0 \uc8fc\uc694 \ud2b9\uc9d5\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<p>A. \uc77c\ubd80\ub294 \uc804\uccb4\uc801\uc73c\ub85c \ubd88\uaddc\uce59\ud558\uac8c \ubd84\ud3ec\ud558\uace0 \uc77c\ubd80\ub294 \uad6d\uc9c0\uc801\uc73c\ub85c \ubd88\uaddc\uce59\ud558\uba70 \ub54c\ub85c\ub294 \ud2b9\uc815 \uc9c0\uc5ed\uc5d0\uc11c\ub9cc \uac00\ub054\uc529 \ub098\ud0c0\ub0a9\ub2c8\ub2e4.<\/p>\n\n\n\n<p>B. \uc774\ub7ec\ud55c \uac80\uc740 \ubc18\uc810\uacfc \ubd88\uc21c\ubb3c\uc740 \ub54c\ub85c\ub294 \uc81c\ud488 \ud45c\uba74\uc5d0\ub9cc \ub098\ud0c0\ub098\uae30\ub3c4 \ud558\uace0 \ub54c\ub85c\ub294 \ud45c\uba74\uacfc \ub354 \uae4a\uc740 \uce35\uc5d0 \ubaa8\ub450 \ub098\ud0c0\ub098\uae30\ub3c4 \ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ud45c\uba74\uc5d0 \uac00\uae4c\uc6b4 \ub0b4\ubd80 \uac80\uc740 \ubc18\uc810\uc740 \ud45c\uba74\uc758 \uac80\uc740 \ubc18\uc810\ubcf4\ub2e4 \uc0c9\uc774 \ub354 \ubc1d\uace0 \ub354 \uae4a\uc740 \uac80\uc740 \ubc18\uc810\uc740 \uc804\ud600 \ubcf4\uc774\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-identify-black-spots\">\ube14\ub799\uc2a4\ud31f\uc744 \uc2dd\ubcc4\ud558\ub294 \ubc29\ubc95\uc740 \ubb34\uc5c7\uc778\uac00\uc694? <\/h2>\n\n\n\n<p>\uac80\uc740 \ubc18\uc810\uc744 \uc2dd\ubcc4\ud574\uc57c \ud558\ub098\uc694? \ube14\ub799 \uc2a4\ud31f\uc740 \uc81c\ud488 \uc790\uccb4\uc640 \uc0c9\uc774 \ub2e4\ub978 \uc810\uc744 \uc6b0\ub9ac\ub294 \ubaa8\ub450 \ube14\ub799 \uc2a4\ud31f\uc774\ub77c\uace0 \ubd80\ub974\uc9c0 \uc54a\ub098\uc694? \ud604\ubbf8\uacbd\uc73c\ub85c 200\ubc30 \ud655\ub300\ud558\uc5ec \uc81c\ud488\uc744 \uad00\ucc30\ud558\uba74 \ub2e4\ub978 \uc0c9\uc758 \uc810\uc774 \uc804\ud600 \uc5c6\ub294(\uc644\uc804\ud788 \ud55c \uac00\uc9c0 \uc0c9\uc778) \uc81c\ud488\uc744 \ucc3e\uc544\ub0b4\ub294 \uac83\uc740 \uac70\uc758 \ubd88\uac00\ub2a5\ud569\ub2c8\ub2e4. \ud655\ub300\ud558\uba74 \uc81c\ud488 \ud45c\uba74\uc5d0 \ub2e4\uc591\ud55c \uc0c9\uc0c1\uc758 \uac80\uc740 \uc810\uc774 \ub9ce\uc774 \ubcf4\uc774\ubbc0\ub85c \uc81c\ud488\uc744 \ud310\ub2e8\ud560 \uc218 \uc788\ub294 \uae30\uc900\uc774 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-standards-for-judging-black-spots\">\ube14\ub799\uc2a4\ud31f \ud310\ub2e8 \uae30\uc900<\/h3>\n\n\n\n<p>\ud45c\uc900\uc758 \ucd9c\ucc98\ub294 \uc5b4\ub514\uc77c\uae4c\uc694? \uc0ac\ucd9c \uc131\ud615 \uacf5\uae09\uc5c5\uccb4\uc758 \uacbd\uc6b0 \ub450 \uac00\uc9c0 \ud45c\uc900\uc744 \uba85\ud655\ud788 \ud30c\uc545\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<p>A. \uc6d0\uc7ac\ub8cc \uacf5\uae09\uc5c5\uccb4\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \ube14\ub799\uc2a4\ud31f \uad00\ub9ac \uae30\uc900. <\/p>\n\n\n\n<p>B. \uc81c\ud488\uc758 \ud574\ub2f9 \uace0\uac1d\uc0ac\uc758 \uc678\uad00 \uac80\uc0ac \uae30\uc900(\uac80\uc740 \ubc18\uc810\uc5d0 \ub300\ud55c \uad00\ub9ac \uae30\uc900).<\/p>\n\n\n\n<p>\uc6d0\ub8cc\uc758 \uc774\uc0c9 \uc2a4\ud31f \uad00\ub9ac \uae30\uc900\uc774 \uc81c\ud488 \uc678\uad00\uc5d0 \ub300\ud55c \uace0\uac1d\uc758 \uad00\ub9ac \uae30\uc900\ubcf4\ub2e4 \ub0ae\uc73c\uba74 \uc0dd\uc0b0 \uc911 \uc774\uc0c9 \uc2a4\ud31f\uc5d0\uc11c \uc0c1\ub2f9\ud55c \ube44\uc728\uc758 \uacb0\ud568\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc0ac\ucd9c \uc131\ud615 \uacf5\uae09\uc5c5\uccb4\ub294 \uc774\uc0c9 \ubc18\uc810\uc5d0 \ub300\ud55c \uc7ac\ub8cc\uc758 \uc81c\uc5b4 \ud45c\uc900\uc774 \uc81c\ud488\uacfc \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4. <a href=\"https:\/\/firstmold.com\/ko\/tips\/quality-and-acceptance-standards-for-injection-molded-parts\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\uace0\uac1d\uc758 \uc218\uc6a9 \uae30\uc900<\/strong><\/a> (\uac00\uae09\uc801 \uace0\uac1d\uc758 \uae30\uc900\ubcf4\ub2e4 \ub354 \uc5c4\uaca9\ud55c \uae30\uc900).<\/p>\n\n\n\n<p><em>\ud301: \ud301: \uace0\uac1d \ud45c\uc900\uc758 \uacbd\uc6b0 \"<a href=\"https:\/\/firstmold.com\/ko\/tips\/quality-and-acceptance-standards-for-injection-molded-parts\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\uc0ac\ucd9c \uc131\ud615 \ubd80\ud488 \uc2b9\uc778 \uae30\uc900<\/strong><\/a>\"\ub97c \ud074\ub9ad\ud558\uc5ec \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uc138\uc694.<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-methods-to-identify-black-spots\">\ube14\ub799\uc2a4\ud31f\uc744 \uc2dd\ubcc4\ud558\ub294 \ubc29\ubc95 <\/h3>\n\n\n\n<p>\uc721\uc548\uc73c\ub85c \ubcf4\uc774\ub294 \uac83\uc740 \ub300\ubd80\ubd84 '\uc6d0\ud615'\uc778 \ubc18\uba74, \ud655\ub300\ud558\uba74 \ubc97\uaca8\uc9c0\uac70\ub098 \uc5ec\ub7ec \uc810\uc774 \ubaa8\uc5ec \uc788\ub294 \ubaa8\uc591, \uad6c\ub984 \ubaa8\uc591, \ub760 \ubaa8\uc591 \ub4f1 \ub2e4\uc591\ud55c \ubaa8\uc591\uc774 \uad00\ucc30\ub420 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \uc77c\ubc18\uc801\uc73c\ub85c \uad00\ucc30\ub418\ub294 \ubaa8\uc591\uc740 \ub2e4\ub985\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc6b0\ub9ac\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc810\uc758 \uba74\uc801\uc744 \uae30\uc900\uc73c\ub85c \ud310\ub2e8\ud569\ub2c8\ub2e4. \uadf8\ub807\ub2e4\uba74 \uc81c\ud488 \ud45c\uba74\uc758 \ubaa8\ub4e0 \ubd80\ubd84\uc5d0 \uac80\uc740 \ubc18\uc810\uc774 \uc788\ub294\uc9c0 \uaf3c\uaf3c\ud788 \uac80\uc0ac\ud574\uc57c \ud560\uae4c\uc694? \uc774\ub294 \uc2dc\uac04\uc774 \ub9ce\uc774 \uc18c\uc694\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uc81c\ud488 \ucd5c\uc885 \uace0\uac1d\uc740 \ud45c\uc900 \uc870\uba85 \uc544\ub798\uc5d0\uc11c \uc81c\ud488\uacfc \ub208 \uc0ac\uc774\uc758 \ud45c\uc900 \uac70\ub9ac\uc5d0\uc11c \ud45c\uc900 \uc2dc\uac04 \ub0b4\uc5d0 (\ub2e4\ub978 \uc0c9\uc758 \ubc18\uc810\uc774) \ub098\ud0c0\ub098\uc9c0 \uc54a\ub294 \uc81c\ud488\uc744 \uc77c\ubc18\uc801\uc73c\ub85c \uc801\uaca9 \uc81c\ud488\uc73c\ub85c \uac04\uc8fc\ud558\ub294 \ud45c\uc900 \uac80\uc0ac \ubc29\ubc95\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-how-to-handle-black-spotted-injection-molded-parts\">\uac80\uc740 \ubc18\uc810\uc774 \uc788\ub294 \uc0ac\ucd9c \uc131\ud615 \ubd80\ud488 \ucc98\ub9ac \ubc29\ubc95 <\/h3>\n\n\n\n<p>\uac80\uc740 \ubc18\uc810, \uac80\uc740 \uc5bc\ub8e9 \ub610\ub294 \uac80\uc740 \uc120\uc774 \uc788\ub294 \uc0ac\ucd9c \uc131\ud615 \ubd80\ud488\uc740 \ubaa8\ub450 \ubd88\ub7c9\ud488\uc73c\ub85c \ucde8\uae09\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uacb0\ud568 \ubd80\ud488\uc740 \uc989\uc2dc \uc2dd\ubcc4\ud558\uace0 \ud63c\ud569\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ud5c8\uc6a9 \uac00\ub2a5\ud55c \uc0dd\uc0b0\uc5d0\uc11c \ubd84\ub9ac\ud574\uc57c \ud569\ub2c8\ub2e4. \ubd80\ud488\uc758 \uacb0\ud568 \uc720\ud615(\ubc18\uc810, \uc5bc\ub8e9, \uc120)\uacfc \uc704\uce58\ub294 \ucd94\uc801 \ubc0f \ubd84\uc11d \ubaa9\uc801\uc73c\ub85c \ubb38\uc11c\ud654\ud574\uc57c \ud569\ub2c8\ub2e4. \ube14\ub799 \uc2a4\ud31f\uc774 \ubc1c\uc0dd\ud558\uba74 \uc0ac\ucd9c \uc131\ud615 \uacf5\uc815 \ub0b4\uc5d0\uc11c \uadfc\ubcf8 \uc6d0\uc778\uc744 \uc758\ubb34\uc801\uc73c\ub85c \uc870\uc0ac\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uacb0\ud568\uc758 \ubaa8\ub4e0 \uc0ac\ub840\ub294 \uac80\ud1a0 \ubc0f \uc2dc\uc815 \uc870\uce58\ub97c \uc704\ud574 \uc0dd\uc0b0 \uac10\ub3c5\uc790 \ubc0f \ud488\uc9c8 \ubd80\uc11c\uc5d0 \ubcf4\uace0\ud574\uc57c \ud569\ub2c8\ub2e4. \uac80\uc740 \ubc18\uc810\uc774 \uc788\ub294 \uac83\uc73c\ub85c \ud655\uc778\ub41c \uacb0\ud568 \ubd80\ud488\uc740 \uc989\uc2dc \ud3d0\uae30 \ub610\ub294 \ud1b5\uc81c\ub41c \uc7ac\uc791\uc5c5(\ud574\ub2f9\ub418\uace0 \uc2b9\uc778\ub41c \uacbd\uc6b0)\uc744 \uc704\ud574 \uc9c0\uc815\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-are-black-spots-formed\">\uac80\uc740 \ubc18\uc810\uc740 \uc5b4\ub5bb\uac8c \ud615\uc131\ub418\ub098\uc694?<\/h2>\n\n\n\n<p>\ube14\ub799 \uc2a4\ud31f\uc758 \uc6d0\uc778\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub450 \uac00\uc9c0 \uc720\ud615\uc774 \uc788\uc2b5\ub2c8\ub2e4: \uace0\uc628\uc5d0\uc11c(\ub610\ub294 \uc7a5\uae30\uac04\uc5d0 \uac78\uce5c) \uc7ac\ub8cc \ud0c4\ud654-\uc7ac\ub8cc\uc758 \uc5f4\ud654, \uc624\uc5fc-\ubd88\uc21c\ubb3c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Causes-affecting-the-formation-of-black-spots-in-injection-molding.webp\" alt=\"\uc0ac\ucd9c \uc131\ud615\uc5d0\uc11c \uac80\uc740 \ubc18\uc810 \ud615\uc131\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \uc6d0\uc778\" class=\"wp-image-31642\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Causes-affecting-the-formation-of-black-spots-in-injection-molding.webp 1280w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Causes-affecting-the-formation-of-black-spots-in-injection-molding-300x169.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Causes-affecting-the-formation-of-black-spots-in-injection-molding-1024x576.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Causes-affecting-the-formation-of-black-spots-in-injection-molding-768x432.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Causes-affecting-the-formation-of-black-spots-in-injection-molding-18x10.webp 18w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Causes-affecting-the-formation-of-black-spots-in-injection-molding-600x338.webp 600w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-carbonization\">\ud0c4\ud654 <\/h3>\n\n\n\n<p>\ub300\ubd80\ubd84\uc758 \uace0\ubd84\uc790 \uc18c\uc7ac\ub294 \uac00\uacf5 \uacfc\uc815\uc5d0\uc11c \uac00\uc5f4\uacfc \uc804\ub2e8\uc744 \uac70\uccd0\uc57c \ud569\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc5d0\uc11c \uc7ac\ub8cc\uc758 \ud0c4\ud654\ub294 \ud53c\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4(100%). \uc6a9\ub3c4\uc5d0 <a href=\"https:\/\/firstmold.com\/ko\/guides\/injection-molding-machine\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\uc0ac\ucd9c \uc131\ud615\uae30<\/strong><\/a>\ud0c4\ud654 \uac00\ub2a5\uc131\uc744 \ub192\uc77c \uc218 \uc788\ub294 \uc7a5\uc18c\uac00 \ub9ce\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-1-wear-on-the-screw-surface\">(1) \ub098\uc0ac \ud45c\uba74\uc758 \ub9c8\ubaa8 <\/h4>\n\n\n\n<p>\ub098\uc0ac \ud45c\uba74\uc758 \ub9c8\ubaa8\ub85c \uc778\ud574 \uc6a9\uc735\ubb3c\uc774 \ub0a8\uc544 \uc2dc\uac04\uc774 \uc9c0\ub0a8\uc5d0 \ub530\ub77c \ud0c4\ud654\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4; <\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-2-residual-molten-plastic\">(2) \uc794\ub958 \uc6a9\uc735 \ud50c\ub77c\uc2a4\ud2f1 <\/h4>\n\n\n\n<p>\uc2a4\ud06c\ub958 \ub85c\ucf13 \ud5e4\ub4dc, \ub178\uc990\uacfc \uac19\uc740 \uae30\uacc4\uc758 \ub2e4\uc591\ud55c \uc5f0\uacb0 \uc9c0\uc810\uc5d0\uc11c, <a href=\"https:\/\/firstmold.com\/ko\/tips\/types-of-flanges\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\ud50c\ub79c\uc9c0<\/strong><\/a>\ub4f1\uc744 \uc0ac\uc6a9\ud558\uba74 \uc6a9\uc735\ubb3c\uc774 \ub0a8\uc544 \ud0c4\ud654\ub41c \uac80\uc740 \ubc18\uc810\uc774 \uc0dd\uae38 \uc218 \uc788\ub294 \ud2c8\uc774 \uc27d\uac8c \uc0dd\uae38 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-3-long-production-cycles\">(3) \uae34 \uc0dd\uc0b0 \uc8fc\uae30 <\/h4>\n\n\n\n<p>\uc0dd\uc0b0 \uacfc\uc815\uc5d0\uc11c \uc0ac\uc774\ud074\uc774 \uae38\uac70\ub098 \ub300\ud615 \uae30\uacc4(\uc18c\ud615 \uc81c\ud488)\ub97c \uc0ac\uc6a9\ud558\uba74 \uc7ac\ub8cc\uac00 \ubc30\ub7f4\uc5d0 \ub108\ubb34 \uc624\ub798 \uba38\ubb3c\ub7ec \ud0c4\ud654\ub420 \uac00\ub2a5\uc131\uc774 \ub192\uc544\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-4-adhesion\">(4) \uc811\ucc29\ub825<\/h4>\n\n\n\n<p>\ub0c9\uac01\ub41c \ud50c\ub77c\uc2a4\ud2f1\uc744 \uc7ac\uc6a9\uc735\ud558\uba74 \uc7ac\uac00\uc5f4\ud574\ub3c4 \uae08\uc18d \ud45c\uba74\uc5d0 \uc798 \ubd80\ucc29\ub418\ub294 PC\uc640 \uac19\uc740 \ub9ce\uc740 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc18c\uc7ac\uac00 \uae08\uc18d \ud45c\uba74\uc5d0 \ub0a8\uc544\uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2dc\uac04\uc774 \uc9c0\ub098\uba74(\uace0\uc628\uc5d0\uc11c) \ud0c4\ud654 \uce35\uc774 \ud615\uc131\ub429\ub2c8\ub2e4. \uc774\ub294 \uc0dd\uc0b0\uc5d0 \uc788\uc5b4 \ube14\ub799\uc2a4\ud31f \uacb0\ud568\uc758 \uc6d0\uc778\uc774 \ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc9e7\uc740 \uc815\uc9c0 \uc2dc\uac04(4\uc2dc\uac04 \ubbf8\ub9cc)\uc5d0\ub294 \ub098\uc0ac\uc758 \uc7ac\ub8cc\uac00 \uacbd\ud654\ub418\uc5b4 \ubd80\ucc29\ub418\ub294 \uac83\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ub2e8\uc5f4\uc744 \ud574\uc57c \ud558\uba70, \ub2e8\uc5f4 \uc628\ub3c4\uac00 \ub0ae\uc744\uc218\ub85d \ud0c4\ud654\uac00 \ubc1c\uc0dd\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uad8c\uc7a5 \uc808\uc5f0 \uc628\ub3c4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc5f0\ud654\uc810\ubcf4\ub2e4 \uc57d 20\u2103~30\u2103 \ub192\uc740 \uc628\ub3c4\uc785\ub2c8\ub2e4(\uc608: PC\uc758 \uc5f0\ud654\uc810\uc740 \uc57d 147\u2103, \uad8c\uc7a5 \uc808\uc5f0 \uc628\ub3c4\ub294 \uc57d 180\u2103). \uc167\ub2e4\uc6b4 \uc911\uc5d0\ub294 \uc804\uc6d0\uc744 \uc9c1\uc811 \ub044\uae30 \uc804\uc5d0 \ubc30\ub7f4\uc5d0\uc11c \uc7ac\ub8cc\ub97c \ubc30\ucd9c\ud558\uace0 \ud0c4\ud654\ub418\uae30 \uc26c\uc6b4 \uc7ac\ub8cc\ub97c \uae30\uacc4\uc5d0 \ud1b5\uacfc\uc2dc\ucf1c\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-5-screw-capacity\">(5) \ub098\uc0ac \uc6a9\ub7c9<\/h4>\n\n\n\n<p>\uc81c\ud488 \ud06c\uae30\uc640 \ub098\uc0ac \ud06c\uae30\uc5d0 \ub530\ub77c \uccb4\ub958 \uc2dc\uac04\uc774 \uacb0\uc815\ub429\ub2c8\ub2e4. \uc791\uc740 \uc81c\ud488\uc774 \ub300\ud615 \uae30\uacc4\uc640 \ub9cc\ub098\uba74 \uc7ac\ub8cc \uc790\uccb4\uac00 \ubc30\ub7f4\uc5d0 \ub108\ubb34 \uc624\ub798 \uba38\ubb3c\ub7ec \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2dc\uac04\uc774 \uae38\uc5b4\uc9c0\uba74 \uc791\uc740 \ubd84\uc790\uac00 \uc27d\uac8c \ubd84\ud574\ub418\uace0 \ud0c4\ud654\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \uc7ac\ub8cc\uc758 \uacbd\uc6b0 5\ubd84 \ubbf8\ub9cc\uc758 \uccb4\ub958 \uc2dc\uac04\uc774 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4. \ucd5c\ub300 \uc2dc\uac04\uc740 15\ubd84\uc744 \ub118\uc9c0 \uc54a\uc544\uc57c \ud569\ub2c8\ub2e4. \ub354 \uc624\ub798 \ubcf4\uad00\ud558\ub824\uba74 \ubc30\ub7f4 \ud6c4\ub2e8\uc758 \uc628\ub3c4\ub97c \ub0ae\ucdb0 \uace0\uc628\uc5d0\uc11c \uc2dc\uac04\uc744 \uc904\uc774\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4. \uccb4\ub958 \uc2dc\uac04 \uacc4\uc0b0 \uacf5\uc2dd: <\/p>\n\n\n\n<p><em>\uae30\uacc4\uc758 \ucd5c\ub300 \uc0ac\ucd9c\ub7c9 * \uc6a9\uc735 \ubc00\ub3c4 * \uc0ac\uc774\ud074 * \uacc4\uc218(2.0-2.5) \/ \uc81c\ud488 \uc911\ub7c9 \ub610\ub294 \ucd5c\ub300 \uce21\uc815 \uae38\uc774 * \uc0ac\uc774\ud074 * \uacc4\uc218 \/ (\uc6a9\ub9e4 \uc138\ud305 \uc704\uce58 - \uc794\ub958 \uc0ac\ucd9c \uc7ac\ub8cc)<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-6-connection-dead-angles\">(6) \uc5f0\uacb0 \ub370\ub4dc \uc575\uae00<\/h4>\n\n\n\n<p>\ubc30\ub7f4 \ub0b4\ubd80\uc758 \ub098\uc0ac\uc640 \ub85c\ucf13 \ud5e4\ub4dc, \ud50c\ub79c\uc9c0, \ub178\uc990 \ub4f1\uc758 \uc5f0\uacb0 \uc9c0\uc810\uc5d0\uc11c \uc6a9\uc735\ubb3c\uc774 \ud750\ub974\uae30(\uba38\ubb34\ub974\uae30) \uc27d\uc9c0 \uc54a\uc740 '\ub370\ub4dc \uc575\uae00'\uc774 \ud615\uc131\ub418\uc5b4 \uccb4\ub958 \uc2dc\uac04\uc774 \uae38\uc5b4\uc9c0\uace0 \uc131\ub2a5 \uc800\ud558 \ubc0f \ubcc0\uc0c9(\ub178\ub780\uc0c9 \uc904\ubb34\ub2ac, \uac80\uc740 \ubc18\uc810 \ub4f1 \ubc1c\uc0dd)\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uba3c\uc800, \uc870\ub9bd\ud558\ub294 \ub3d9\uc548 \uc644\uc131\ub3c4\ub97c \ub192\uc774\uae30 \uc704\ud574 <a href=\"https:\/\/firstmold.com\/ko\/uncategorized\/types-of-threads\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\uc2a4\ub808\ub4dc<\/strong><\/a> \uc815\ubc00\ud558\uac8c \uc870\ub9bd\ud574\uc57c \ud558\uba70 \uc811\ucd09\uba74\uc774 \uc190\uc0c1\ub418\uc9c0 \uc54a\uc544\uc57c \ud569\ub2c8\ub2e4. \uc2ec\ud558\uba74 \uad50\uccb4\ud574\uc57c \ud569\ub2c8\ub2e4!<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-7-surface-wear\">(7) \ud45c\uba74 \ub9c8\ubaa8<\/h4>\n\n\n\n<p>\ud45c\uba74\uc774 \uace0\ub974\uc9c0 \uc54a\uc73c\uba74 \ub098\uc0ac \ud45c\uba74\uc774 \ub9c8\ubaa8\ub418\uae30 \uc26c\uc6b0\ubbc0\ub85c \ub098\uc0ac \uc2a4\ud0a8 \uc18c\uc7ac\uac00 '\ub0a8\uc544' \ube14\ub799 \uc2a4\ud31f \uacb0\ud568\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uae08\uc18d \ubc30\ub7f4 \ub098\uc0ac\ub294 \uc7ac\uc9c8\uc5d0 \ub530\ub77c \ub9c8\ubaa8\ub418\ub294 \uc591\uc0c1\uc774 \ub2e4\ub985\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c PC \ub610\ub294 PMMA\ub294 \uacbd\ud654(\ub3c4\uae08) \ub098\uc0ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ucda9\uc9c4 \uc7ac\ub8cc(\uc720\ub9ac \uc12c\uc720, \uad11\ubb3c\uc131 \ubd84\ub9d0)\uc758 \uacbd\uc6b0 \ud569\uae08 \ub098\uc0ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ud569\uae08 \ub098\uc0ac\ub97c \uc0ac\uc6a9\ud558\ub354\ub77c\ub3c4 \uc77c\uc815 \uae30\uac04\uc774 \uc9c0\ub098\uba74 \uad50\uccb4\ud574\uc57c \ud569\ub2c8\ub2e4!<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-8-chemical-corrosion\">(8) \ud654\ud559\uc801 \ubd80\uc2dd<\/h4>\n\n\n\n<p>\ubd80\uc2dd\uc131 \ubb3c, CO2, O2, \uc5fc\uc0b0\uacfc \uac19\uc740 \uc218\uc18c \ud560\ub85c\uac90\ud654\ubb3c, \uc0b0\uc131 \uc794\ub958\ubb3c, \uc804\ud574\uc9c8 \ubc0f \uae30\ud0c0 \ubd88\uc21c\ubb3c. \uac00\uacf5 \uacfc\uc815\uc5d0\uc11c \ub098\uc0ac\ub098 \ubc30\ub7f4\uc758 \ud45c\uba74\uc774 \ubd80\uc2dd\ub418\uba74 \ud45c\uba74\uc774 '\uc794\ub958'\ud558\uc5ec \uac80\uc740 \ubc18\uc810\uc774 \uc0dd\uae38 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9c8\ubaa8\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c \uc77c\ubc18 \uc7ac\ub8cc\uc758 \uacbd\uc6b0 \uc77c\ubc18 \uc9c8\ud654 \ub098\uc0ac\uac00 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871 \ud560 \uc218 \uc788\uc9c0\ub9cc \ub0b4\ud654 \uc7ac\ub8cc\uc758 \uacbd\uc6b0 \uc9c8\ud654 + \ub3c4\uae08 \uc218\uc900 \ub610\ub294 \ub450\uaebc\uc6b4 \ub3c4\uae08 \ucc98\ub9ac\uac00 \ub41c \ub098\uc0ac (\ubc30\ub7f4)\uac00 \ud654\ud559\uc801 \ubd80\uc2dd\uc744 \ubc29\uc9c0\ud558\ub294 \ub370 \ub354 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-contamination\">\uc624\uc5fc<\/h3>\n\n\n\n<p>\uc0dd\uc0b0 \ud658\uacbd: \uc678\ubd80 \ud658\uacbd\uc758 \ub2e4\ub978 \ubb3c\uc9c8\uacfc \uc0c9\uc0c1\uc774 \ub2e4\ub97c \uc218 \uc788\uc73c\uba70 \uc628\ub3c4 \uc800\ud56d\uc131\uc774 \ub0ae\uc544 \uac80\uc740 \ubc18\uc810\uc774 \uc0dd\uae30\uae30 \uc27d\uc2b5\ub2c8\ub2e4. \ubc1d\uc740 \uc0c9\uc0c1\uc758 \uc18c\uc7ac\uc758 \uacbd\uc6b0, \uc77c\ubc18 \uc5f4\ud48d \uac74\uc870 \uc7a5\ube44\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac1c\ubc29\ub41c \uc791\uc5c5\uc7a5 \ud658\uacbd\uc5d0\uc11c \uc0dd\uc0b0\ud560 \uacbd\uc6b0. \uc5ec\uae30\uc5d0\ub294 \uc801\uc5b4\ub3c4 \ub450 \uac00\uc9c0 \ubb38\uc81c\uac00 \uc788\uc2b5\ub2c8\ub2e4: <\/p>\n\n\n\n<p>A. \uc7a5\uae30 \uac74\uc870, \uac1c\ubc29 \ub41c \ud658\uacbd\uc5d0\uc11c \ud761\uc785 \ub41c \uacf5\uae30\uac00 \ud638\ud37c\ub85c \uac00\uc5f4\ub418\uc5b4 16H\ub97c \ucd08\uacfc\ud558\uba74 \uc77c\ubc18 \ud22c\uba85 \uc7ac\ub8cc\uac00 \ubc1d\uc740 \ud68c\uc0c9 \uc785\uc790\ub85c \ubcc0\ud560 \uc218 \uc788\uc73c\uba70 \uc774\ub294 \uacb0\ud568\ub960\uc774 100%\uc5d0 \ub3c4\ub2ec \ud560 \uc218 \uc788\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc815\uc0c1\uc801\uc778 \uc0dd\uc0b0\uc5d0\uc11c \ud638\ud37c \uc0ac\uc774\ud074\uc740 4-12H\uc774\uc9c0\ub9cc \uacf5\uae30 \ud761\uc785\uad6c \uc624\uc5fc\uc758 \ube44\uc728\uc740 \uc5ec\uc804\ud788 \ub9e4\uc6b0 \ub192\uc2b5\ub2c8\ub2e4. <\/p>\n\n\n\n<p>B. \uc0dd\uc0b0 \uc911\uc5d0 \uc7a0\uc2dc \uc5f4\ub9b0 \uc77c\ubc18\uc801\uc778 \uae08\ud615 \ud45c\uba74\uc5d0\ub294 \ub9ce\uc740 \uba3c\uc9c0\uac00 \ubaa8\uc774\uac8c \ub418\uba70(\uae30\uacc4 \uc790\uccb4\ub294 \uc804\uae30 \uc7a5\uce58\uc774\ubbc0\ub85c \uc811\uc9c0\ub418\uc5b4 \uc788\uc9c0\ub9cc \"0 \uc815\uc804\uae30\"\uac00 \ub420 \uc218 \uc5c6\uc74c), \uc0dd\uc0b0 \uacf5\uc815\ub3c4 \"\ub2e4\ub978 \uc0c9 \ubc18\uc810\"\uc758 \uc694\uc778\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \"\ub2e4\ub978 \uc0c9 \ubc18\uc810\"\uc5d0 \ub300\ud55c \ub192\uc740 \uae30\uc900\uc774 \ud544\uc694\ud55c \ubc1d\uc740 \uc0c9\uc0c1\uc758 \uc81c\ud488\uc758 \uacbd\uc6b0 \ud074\ub9b0\ub8f8\uc5d0\uc11c \uc0dd\uc0b0\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4. <\/p>\n\n\n\n<p>\uc55e\uc11c \uc5b8\uae09\ud588\ub4ef\uc774 \uc7ac\ub8cc \uc785\uc790\ub294 \ub300\ubd80\ubd84 \uae30\uacc4\ub85c \uac00\uacf5\ub418\uba70, \uadf8 \uc790\uccb4\uc5d0 \uc77c\uc815 \ube44\uc728\uc758 \uac80\uc740 \ubc18\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4(\ub530\ub77c\uc11c \uc81c\uc870\uc5c5\uccb4\uc758 \ud45c\uc900\uc744 \ud68d\ub4dd\ud574\uc57c \ud568). \ub610\ud55c \uc774\ub7ec\ud55c \uc81c\ud615\uc5d0\uc11c \uace0\uc628 \ubc0f \uace0\uc628 \uc0b0\ud654\ub97c \uacac\ub514\ub294 \uc7ac\ub8cc\uc758 \ub2a5\ub825\uc774 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc740 \uc870\uac74\uc5d0\uc11c\ub294 \uac00\uacf5\uc774 \uc0c1\ub2f9\ud788 \uc5b4\ub824\uc6b8 \uc218 \uc788\uc73c\uba70 \ud669\ubcc0(\uc904\ubb34\ub2ac), \ud751\ud654(\uc904\ubb34\ub2ac, \ubc18\uc810) \ubc0f \uae30\ud0c0 \ubb38\uc81c\uac00 \uc27d\uac8c \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-improve-black-spots\">\ube14\ub799 \uc2a4\ud31f\uc744 \uac1c\uc120\ud558\ub294 \ubc29\ubc95\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n\n\n\n<p>\uc774\uc804\uc5d0\ub294 \ub2e8\uae30 \ub2e8\uc5f4\uacfc \uc9c1\uc811 \uc167\ub2e4\uc6b4 \uc2dc \uba87 \uac00\uc9c0 \uc608\ubc29 \uc870\uce58 \ubc0f \uc808\ucc28\uc5d0 \ub300\ud574 \uc124\uba85\ud588\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \ubc30\ub7f4 \ub098\uc0ac\ub97c \uccad\uc18c\ud558\ub824\uba74 \ubc29\ubc95\uc5d0 \uc8fc\uc758\uac00 \ud544\uc694\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-cleaning\">1. \uccad\uc18c<\/h3>\n\n\n\n<p>(1) \uc77c\ubc18\uc801\uc73c\ub85c \uc2a4\ud06c\ub798\ud551 \uc6d0\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc2a4\ud06c\ub958 \ubc30\ub7f4\uc744 \uccad\uc18c\ud558\uae30 \uc704\ud574 \ube44\uad50\uc801 \ub2e8\ub2e8\ud55c \uc7ac\ub8cc\ub97c \uc0ac\uc6a9\ud558\uc5ec PMMA \uc7ac\ub8cc(\uc0c1\ub300\uc801\uc73c\ub85c \ub192\uc740 \uacbd\ub3c4)\uc640 \uac19\uc740 \uc77c\ubd80 \ud45c\uba74 \uc794\uc5ec\ubb3c\uc744 \ubbf8\ub9ac \uccad\uc18c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4! \uc608: \uac74\uc870\ub418\uc9c0 \uc54a\uc740 PS, PC(\uac74\uc870\ub418\uc9c0 \uc54a\uace0 \ube68\ub9ac \ub179\uc9c0 \uc54a\uc73c\uba70 \uc57d\uac04 \ub354 \ub2e8\ub2e8\ud568) \ub4f1. <\/p>\n\n\n\n<p>(2) \uc138\ucc99\uc774 \ud544\uc694\ud55c \uc18c\uc7ac \uc720\ud615\uc758 \uacbd\uc6b0, PC+GF \uc18c\uc7ac\ub97c \uc138\ucc99\uc5d0 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc720\ub9ac\uc12c\uc720(GF)\ub294 \uc77c\ubc18\uc801\uc778 \uac00\uacf5 \uc628\ub3c4 \ubc94\uc704(&lt;=400\u2103)\uc5d0\uc11c \uacac\uace0\ud558\uae30 \ub54c\ubb38\uc5d0 \uc720\ub9ac\uac00 \ub9e4\uc6b0 \ub2e8\ub2e8\ud558\ub2e4\ub294 \uac83\uc740 \ub204\uad6c\ub098 \uc54c\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc77c\ubc18 \uc18c\uc7ac\uc758 \ub098\uc0ac\uc5d0\ub294 \uc774 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uba74 \ub9c8\ubaa8\uac00 \uc2ec\ud574\uc9c8 \uc218 \uc788\uc73c\ubbc0\ub85c \uc0ac\uc6a9\ud558\uc9c0 \ub9c8\uc138\uc694. \uc138\ucc99 \uc2dc\uc5d0\ub294 \uc628\ub3c4\ub97c \ub192\uc600\ub2e4\uac00(20\u2103) \ub0ae\ucdc4\ub2e4\uac00(20\u2103) \ubc18\ubcf5\ud574\uc11c \uc138\ucc99\ud558\ub294 \uac83\uc744 \uc78a\uc9c0 \ub9c8\uc138\uc694. \uc6d0\ub9ac: A, \uc810\ub3c4\uc758 \ubcc0\ud654; B, \ub0b4\ubd80 \uc555\ub825\uc758 \ubcc0\ud654, \ub458 \ub2e4 \ub354 \ub9ce\uc740 \uc794\uc5ec\ubb3c\uc744 \uc81c\uac70\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>(3) \uac80\uc740 \ubc18\uc810\uc774 \uc2ec\ud55c \uacbd\uc6b0 \uc2a4\ud06c\ub958 \ubc30\ub7f4\uc744 \uc9c1\uc811 \ubd84\ud574\ud558\uc5ec \uc5f0\ub9c8\ud558\uc138\uc694.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Use-transparent-plastic-materials-to-clean-the-screw-barrel-to-solve-the-problem-of-black-spot.webp\" alt=\"\ud22c\uba85\ud55c \ud50c\ub77c\uc2a4\ud2f1 \uc7ac\uc9c8\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub098\uc0ac \ubc30\ub7f4\uc744 \uccad\uc18c\ud558\uc5ec \uac80\uc740 \ubc18\uc810 \ubb38\uc81c\ub97c \ud574\uacb0\ud569\ub2c8\ub2e4.\" class=\"wp-image-31646\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Use-transparent-plastic-materials-to-clean-the-screw-barrel-to-solve-the-problem-of-black-spot.webp 1280w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Use-transparent-plastic-materials-to-clean-the-screw-barrel-to-solve-the-problem-of-black-spot-300x169.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Use-transparent-plastic-materials-to-clean-the-screw-barrel-to-solve-the-problem-of-black-spot-1024x576.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Use-transparent-plastic-materials-to-clean-the-screw-barrel-to-solve-the-problem-of-black-spot-768x432.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Use-transparent-plastic-materials-to-clean-the-screw-barrel-to-solve-the-problem-of-black-spot-18x10.webp 18w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Use-transparent-plastic-materials-to-clean-the-screw-barrel-to-solve-the-problem-of-black-spot-600x338.webp 600w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-maintenance\">2. \uc720\uc9c0 \uad00\ub9ac<\/h3>\n\n\n\n<p>\uc167\ub2e4\uc6b4 \uc911: \uc55e\uc11c \uc124\uba85\ud55c \uac83\ucc98\ub7fc \uc0dd\uc0b0 \uc7ac\ub8cc(\uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ud074\ub798\uc2a4 \uc7ac\ub8cc)\ub97c \uccad\uc18c\ud558\ub294 \uac83\uc774 \ud544\uc218\uc801\uc774\uba70, \uc774 \ub2e8\uacc4\ub294 \uad00\ub9ac \ubc0f \uc720\uc9c0 \ubcf4\uc218 \ud504\ub85c\uc138\uc2a4\uc5d0 \uac00\uae5d\uc2b5\ub2c8\ub2e4! \ubc30\ub7f4\uc5d0 \ub0a8\uc544\uc788\ub294 \uc794\uc5ec \uc7ac\ub8cc\ub97c \uccad\uc18c\ud558\ub294\ub370, \uc5ec\uae30\uc11c\ub294 \uc0c1\ub300\uc801\uc73c\ub85c \uc810\ub3c4\uac00 \ub192\uc740 \uc7ac\ub8cc\uac00 \uccad\uc18c\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. <\/p>\n\n\n\n<p>\uccab\uc9f8, \uc774\ub7f0 \uc885\ub958\uc758 \uac1c\uc9c8 \uc7ac\ub8cc\ub294 \uc628\ub3c4\uac00 \uc0dd\uc0b0 \uc7ac\ub8cc\uc5d0 \uac00\uae4c\uc6cc\uc57c \ud558\uace0 \ub458\uc9f8, \uc810\ub3c4\uac00 \uc88b\uc544\uc57c \ud569\ub2c8\ub2e4. \uccad\uc18c\ub97c \uc704\ud574 \ud2b9\uc218 \uc138\ucc99 \uc7ac\ub8cc\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc885\ub958\uc758 \ud2b9\uc218 \uc138\ucc99 \uc7ac\ub8cc\ub294 \uc810\ub3c4\uac00 \ub9e4\uc6b0 \uc88b\uc2b5\ub2c8\ub2e4. \uccad\uc18c \uacfc\uc815\uc5d0\uc11c \uad50\ud658 \uc131\uc774 \ub6f0\uc5b4\ub098\uace0\uc774 \uccad\uc18c \uc7ac\ub8cc\ub294 \ud654\ud559\uc801 \ud65c\uc131\uc774 \uc6b0\uc218\ud569\ub2c8\ub2e4 (\ub9e4\uc6b0 \uc6b0\uc218\ud55c \ud638\ud658\uc131). \uc774\ub294 \uc167\ub2e4\uc6b4 \uc911\uc5d0 \ubc30\ub7f4 \ub0b4\ubd80\uc758 \uc7ac\ub8cc\uc758 \ub9c9\ub2e4\ub978 \uc704\uce58\uc778 \uc77c\ubd80 \"\uc794\ub958 \uc9c0\uc810\"\uacfc \ud654\ud559 \ubc18\uc751\uc744 \uacc4\uc18d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c \uc2dc\uc791 \uc2dc\uc5d0\ub294 \ub354 \ub9ce\uc740 \uc794\uc5ec\ubb3c\uc744 \uc81c\uac70\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4(\uac80\uc740 \ubc18\uc810\uc774 \uc0dd\uae38 \uac00\ub2a5\uc131\uc774 \uc904\uc5b4\ub4ed\ub2c8\ub2e4). <\/p>\n\n\n\n<p>\uc0c9\uc0c1\uc744 \uccad\uc18c\ud55c \ud6c4(\uba87 \ubc88 \ucd2c\uc601) \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ube48 \uc0c1\ud0dc\ub85c \ucd2c\uc601\ud569\ub2c8\ub2e4(\ucd5c\uc18c \uccb4\ub958 \uc2dc\uac04 15\ubd84 \uad8c\uc7a5, \ubc18\uc751 \ud638\ud658\uc131\uc744 \uc704\ud574 \uc57d\uac04\uc758 \uc2dc\uac04\uc744 \ub461\ub2c8\ub2e4). \ubb3c\ub860 \uc7ac\ub8cc \uc0dd\uc0b0\uc744 \ubcc0\uacbd\ud558\uba74 \ube14\ub799 \uc2a4\ud31f\uc744 \uac1c\uc120\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc885\ub958\uc758 \uc7ac\ub8cc\ub294 \uc77c\ubc18 \uc7ac\ub8cc\ubcf4\ub2e4 \uc0c9\uc0c1 \uccad\uc18c \ub2a5\ub825\uc774 \ud6e8\uc52c \uac15\ud558\uae30 \ub54c\ubb38\uc5d0 \ub9ce\uc740 \uc2dc\uac04\uc744 \ub9e4\uc6b0 \ud6a8\uacfc\uc801\uc73c\ub85c \uc808\uc57d \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8 \ud2b9\uc9d5\uc740 \ubc30\ub7f4\uc5d0 \ube44\uad50\uc801 \uc624\ub7ab\ub3d9\uc548 \uba38\ubb34\ub97c \uc218 \uc788\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \ub3d9\uc2dc\uc5d0 \ub0b4\ubd80\uc758 \uc77c\ubd80 \ub9c9 \ub2e4\ub978 \uc7ac\ub8cc\uc640 \ud638\ud658\ub418\uc5b4 \ud6c4\uc18d \ube14\ub799 \uc2a4\ud31f \uc0dd\uc131\uc744 \uc904\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Maintain-the-barrel-of-the-injection-molding-machine-to-prevent-the-occurrence-of-black-specks-defects-1024x576.webp\" alt=\"\uc0ac\ucd9c \uc131\ud615\uae30\uc758 \ubc30\ub7f4\uc744 \uc720\uc9c0 \uad00\ub9ac\ud558\uc5ec \uac80\uc740 \uc5bc\ub8e9 \uacb0\ud568 \ubc1c\uc0dd \ubc29\uc9c0\" class=\"wp-image-31643\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Maintain-the-barrel-of-the-injection-molding-machine-to-prevent-the-occurrence-of-black-specks-defects-1024x576.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Maintain-the-barrel-of-the-injection-molding-machine-to-prevent-the-occurrence-of-black-specks-defects-300x169.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Maintain-the-barrel-of-the-injection-molding-machine-to-prevent-the-occurrence-of-black-specks-defects-768x432.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Maintain-the-barrel-of-the-injection-molding-machine-to-prevent-the-occurrence-of-black-specks-defects-18x10.webp 18w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Maintain-the-barrel-of-the-injection-molding-machine-to-prevent-the-occurrence-of-black-specks-defects-600x338.webp 600w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Maintain-the-barrel-of-the-injection-molding-machine-to-prevent-the-occurrence-of-black-specks-defects.webp 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\">\uacb0\ub860<\/h2>\n\n\n\n<p>\uac80\uc740 \ubc18\uc810\uc774 \uc0ac\ucd9c \uc131\ud615 \uacf5\uc7a5\uc758 \uc7a5\ube44 \ubc0f \ud658\uacbd\uacfc \ud2b9\uc815 \uad00\uacc4\uac00 \uc788\ub2e4\ub294 \uac83\uc740 \uc5b4\ub835\uc9c0 \uc54a\uac8c \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub354 \ub098\uc544\uac00 \uc0ac\ucd9c \uc131\ud615 \uacf5\uc7a5\uc758 \uc791\uc5c5\uc7a5 \uad00\ub9ac\uc640\ub3c4 \uad00\uacc4\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ud37c\uc2a4\ud2b8 \ubab0\ub4dc\ub294 \ud56d\uc0c1 \uc791\uc5c5\uc7a5 \uc0dd\uc0b0\uc758 6S \uad00\ub9ac\ub97c \uac15\uc870\ud574 \uc654\uc2b5\ub2c8\ub2e4. \uc774 \uc2dc\ub300\ub294 \uacfc\ud559\uc801 \uc0ac\ucd9c \uc131\ud615\uc758 \uc2dc\ub300\uc774\uc790 \uc2a4\ub9c8\ud2b8 \uc0ac\ucd9c \uc131\ud615\uc758 \uc2dc\ub300\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc800\ub294 First Mold\uc758 James Li\uc774\uba70 \uc0ac\ucd9c \uc131\ud615 \ubc0f \uae08\ud615 \uc81c\uc791\uacfc \uad00\ub828\ub41c \uacbd\ud5d8\uacfc \uc9c0\uc2dd\uc744 \uacf5\uc720\ud558\ub294 \ub370 \uc5f4\uc815\uc801\uc785\ub2c8\ub2e4. \uad81\uae08\ud55c \uc810\uc774 \uc788\uc73c\uc2dc\uba74 \uc5b8\uc81c\ub4e0\uc9c0 \ub2e4\uc74c \uc8fc\uc18c\ub85c \ubb38\uc758\ud574 \uc8fc\uc138\uc694. <a><strong>firstmold88@gmail.com<\/strong><\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>\uc0ac\ucd9c \uc131\ud615\uc5d0\uc11c \uac80\uc740 \ubc18\uc810\/\uac80\uc740 \uc5bc\ub8e9\uc758 \uc2dd\ubcc4 \ubc29\ubc95, \uc218\uc6a9, \uc6d0\uc778 \ubc0f \ud574\uacb0\ucc45\uc744 \uc774\ud574\ud569\ub2c8\ub2e4.<\/p>","protected":false},"author":5,"featured_media":31644,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[48],"tags":[51,63],"class_list":["post-19512","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tips","tag-injection-molding","tag-injection-molding-defects"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.3 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Black Spots and Black Specks In Plastic Molded Parts<\/title>\n<meta name=\"description\" content=\"Understand the identification methods, acceptance, causes, and solutions for black spots \/ black specks in injection molding.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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