{"id":19415,"date":"2024-05-08T17:43:12","date_gmt":"2024-05-08T09:43:12","guid":{"rendered":"https:\/\/firstmold.com\/?p=19415"},"modified":"2026-01-21T14:04:10","modified_gmt":"2026-01-21T06:04:10","slug":"burn-marks","status":"publish","type":"post","link":"https:\/\/firstmold.com\/ja\/tips\/burn-marks\/","title":{"rendered":"\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u5c04\u51fa\u6210\u5f62\u306b\u304a\u3051\u308b\u713c\u3051\u8de1"},"content":{"rendered":"<p>\u706b\u50b7\u306e\u8de1\u306f\u4e00\u822c\u7684\u3067\u306f\u306a\u3044\u3002 <a href=\"https:\/\/firstmold.com\/ja\/tips\/injection-molding-defects\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u5c04\u51fa\u6210\u5f62\u306e\u6b20\u9665<\/strong><\/a>.\u305d\u306e\u305f\u3081\u3001\u591a\u304f\u306e\u91d1\u578b\u30fb\u5c04\u51fa\u6210\u5f62\u696d\u754c\u306e\u5b9f\u52d9\u8005\u306f\u3042\u307e\u308a\u99b4\u67d3\u307f\u304c\u306a\u3044\u3002\u30d0\u30fc\u30f3\u30de\u30fc\u30af\u306f\u88fd\u54c1\u306e\u69cb\u9020\u3068\u306f\u95a2\u4fc2\u3042\u308a\u307e\u305b\u3093\u304c\u3001FirstMold\u306f\u88fd\u54c1\u8a2d\u8a08\u8005\u3001\u69cb\u9020\u8a2d\u8a08\u8005\u3001\u6a5f\u68b0\u8a2d\u8a08\u8005\u306b\u3042\u308b\u7a0b\u5ea6\u306e\u7406\u89e3\u3092\u6c42\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u306e\u4ed6\u306e\u5c04\u51fa\u6210\u5f62\u306e\u6b20\u9665\u306b\u3054\u8208\u5473\u306e\u3042\u308b\u65b9\u306f\u3001\u4e0b\u306e\u8868\u306e\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u8a73\u7d30\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><th class=\"has-text-align-center\" data-align=\"center\" colspan=\"5\">\u5c04\u51fa\u6210\u5f62\u306e\u3055\u307e\u3056\u307e\u306a\u6b20\u9665\u3092\u7406\u89e3\u3059\u308b<\/th><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/ja\/tips\/flash-in-injection-molding\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u30d5\u30e9\u30c3\u30b7\u30e5<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/ja\/tips\/short-shot-in-injection-molding\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u30b7\u30e7\u30fc\u30c8\u30b7\u30e7\u30c3\u30c8<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/ja\/tips\/sink-marks\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u30b7\u30f3\u30af\u30de\u30fc\u30af<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/ja\/tips\/warpage-in-injection-molding\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u53cd\u308a\uff0f\u5909\u5f62<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u30d0\u30fc\u30f3\u30de\u30fc\u30af<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/ja\/tips\/splay-marks-silver-streaks-in-injeciton-molding\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u30b9\u30d7\u30ec\u30a4\u30de\u30fc\u30af\uff0f\u30b7\u30eb\u30d0\u30fc\u30b9\u30c8\u30ea\u30fc\u30af<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/ja\/tips\/black-spots-and-black-specks\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u30c0\u30fc\u30af\u30b9\u30dd\u30c3\u30c8\/\u30d6\u30e9\u30c3\u30af\u30b9\u30da\u30c3\u30af<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/ja\/tips\/flow-marks\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u30d5\u30ed\u30fc\u30de\u30fc\u30af<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/ja\/tips\/bubbles\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u30d0\u30d6\u30eb<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/ja\/tips\/weld-lines\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u6eb6\u63a5\u30e9\u30a4\u30f3<\/strong><\/a><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/ja\/tips\/uneven-color-and-color-difference\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u8272\u5dee\u30fb\u8272\u30e0\u30e9<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><a href=\"https:\/\/firstmold.com\/ja\/tips\/ejector-pin-marks\/\">\u30a8\u30b8\u30a7\u30af\u30bf\u30fc\u30d4\u30f3\u30de\u30fc\u30af<\/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-burn-marks-in-injection-molding\">\u5c04\u51fa\u6210\u5f62\u306b\u304a\u3051\u308b\u30d0\u30fc\u30f3\u30de\u30fc\u30af\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h2>\n\n\n\n<p>\u30d0\u30fc\u30f3\u30de\u30fc\u30af\u3068\u306f\u3001\u5c04\u51fa\u6210\u5f62\u5de5\u7a0b\u3067\u3001\u91d1\u578b\u306e\u901a\u6c17\u4e0d\u826f\u3084\u5c04\u51fa\u901f\u5ea6\u304c\u901f\u3059\u304e\u308b\u305f\u3081\u306b\u3001\u91d1\u578b\u5185\u306e\u7a7a\u6c17\u304c\u9003\u3052\u308b\u6642\u9593\u304c\u306a\u304f\u3001\u9ad8\u5727\u4e0b\u3067\u7a81\u7136\u52a0\u71b1\u3055\u308c\uff08\u6975\u7aef\u306a\u5834\u5408\u3001\u6e29\u5ea6\u306f3000\u5ea6\u306b\u3082\u9054\u3059\u308b\uff09\u3001\u6d41\u8def\u306e\u672b\u7aef\u3084\u9589\u3058\u8fbc\u3081\u3089\u308c\u305f\u30ac\u30b9\u90e8\u5206\u306b\u5f62\u6210\u3055\u308c\u308b\u9ed2\u305a\u3093\u3060\u8de1\u306e\u3053\u3068\u3067\u3042\u308b\u3002\u904e\u71b1\u3057\u305f\u5727\u7e2e\u7a7a\u6c17\u306f\u6eb6\u878d\u7269\u3092\u7126\u304c\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"613\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Burn-marks-on-the-rib-of-molded-plastic-part-1024x613.webp\" alt=\"\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u6210\u578b\u54c1\u306e\u30ea\u30d6\u306b\u713c\u304d\u8de1\u304c\u3042\u308b\u3002\" class=\"wp-image-19417\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Burn-marks-on-the-rib-of-molded-plastic-part-1024x613.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Burn-marks-on-the-rib-of-molded-plastic-part-300x179.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Burn-marks-on-the-rib-of-molded-plastic-part-768x459.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Burn-marks-on-the-rib-of-molded-plastic-part-18x12.webp 18w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Burn-marks-on-the-rib-of-molded-plastic-part.webp 1100w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u6210\u578b\u54c1\u306e\u30ea\u30d6\u306b\u713c\u304d\u8de1\u304c\u3042\u308b\u3002<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-do-burn-marks-affect-the-product\">\u7126\u3052\u8de1\u306f\u88fd\u54c1\u306b\u5f71\u97ff\u3057\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p>\u5c04\u51fa\u6210\u5f62\u90e8\u54c1\u306b\u713c\u3051\u8de1\u304c\u3064\u304f\u3068\u3001\u88fd\u54c1\u306e\u5916\u89b3\u3084\u54c1\u8cea\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u7126\u3052\u304c\u767a\u751f\u3057\u305f\u90e8\u5206\u306f\u3001\u9ed2\u304f\u306a\u3063\u305f\u308a\u3001\u9ec4\u8272\u304f\u306a\u3063\u305f\u308a\u3001\u30b6\u30e9\u30b6\u30e9\u306b\u306a\u3063\u305f\u308a\u3068\u3001\u8272\u3084\u8cea\u611f\u304c\u5909\u5316\u3057\u3001\u88fd\u54c1\u306e\u7f8e\u89b3\u3092\u640d\u306a\u3044\u307e\u3059\uff1b<\/p>\n\n\n\n<p>\u5c04\u51fa\u6210\u5f62\u90e8\u54c1\u306e\u713c\u3051\u8de1\u306f\u3001\u88fd\u54c1\u306e\u6027\u80fd\u3084\u4fe1\u983c\u6027\u306b\u3082\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u713c\u3051\u8de1\u304c\u3042\u308b\u3068\u3001\u5c04\u51fa\u6210\u5f62\u90e8\u54c1\u306e\u5f37\u5ea6\u3001\u8010\u71b1\u6027\u3001\u8010\u98df\u6027\u304c\u4f4e\u4e0b\u3059\u308b\u306a\u3069\u3001\u7269\u7406\u7684\u30fb\u5316\u5b66\u7684\u6027\u8cea\u304c\u5909\u5316\u3057\u3001\u88fd\u54c1\u306e\u4f7f\u7528\u6027\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\uff1b<\/p>\n\n\n\n<p>\u5c04\u51fa\u6210\u5f62\u90e8\u54c1\u306b\u713c\u304d\u8de1\u304c\u3064\u304f\u3068\u3001\u751f\u7523\u52b9\u7387\u3084\u30b3\u30b9\u30c8\u7ba1\u7406\u306b\u3082\u5f71\u97ff\u3059\u308b\u3002\u713c\u304d\u8de1\u306e\u554f\u984c\u306f\u3001\u5c04\u51fa\u6210\u5f62\u90e8\u54c1\u306e\u5ec3\u68c4\u3084\u518d\u52a0\u5de5\u306b\u3064\u306a\u304c\u308a\u3001\u751f\u7523\u30b3\u30b9\u30c8\u3092\u5897\u52a0\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-causes-of-burn-marks\">\u706b\u50b7\u8de1\u306e\u539f\u56e0 <\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-equipment-related-factors\">1.\u8a2d\u5099\u95a2\u9023\u8981\u56e0<\/h3>\n\n\n\n<p>a) \u71b1\u96fb\u5bfe\u3001\u6e29\u5ea6\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0\u3001\u52a0\u71b1\u30b7\u30b9\u30c6\u30e0\u306e\u6545\u969c\u307e\u305f\u306f\u640d\u50b7\u306b\u3088\u308a\u3001\u30d0\u30ec\u30eb\u306e\u5c40\u6240\u7684\u306a\u904e\u71b1\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001 <\/p>\n\n\n\n<p>b) \u30b9\u30af\u30ea\u30e5\u30fc\u3001\u30c7\u30a3\u30d0\u30fc\u30bf\u30fc\u30b7\u30e3\u30c8\u30eb\u3001\u30c1\u30a7\u30c3\u30af\u30ea\u30f3\u30b0\u306e\u640d\u50b7\u3002 <\/p>\n\n\n\n<p>c)\u30ce\u30ba\u30eb\u3068\u91d1\u578b\u306e\u30e1\u30a4\u30f3\u30e9\u30f3\u30ca\u30fc\u30d6\u30c3\u30b7\u30e5\u306e\u5d4c\u5408\u4e0d\u826f\u306b\u3088\u308b\u7570\u5e38\u526a\u65ad\u3002 <\/p>\n\n\n\n<p>d) \u30b9\u30af\u30ea\u30e5\u30fc\u3068\u30d0\u30ec\u30eb\u306e\u9593\u306b\u9699\u9593\u304c\u3067\u304d\u3001\u30d0\u30ec\u30eb\u5185\u306e\u306d\u3058\u63a5\u7d9a\u304c\u7de9\u307f\u3001\u9577\u6642\u9593\u306e\u52a0\u71b1\u306b\u3088\u308b\u6eb6\u878d\u7269\u306e\u6ede\u7559\u3084\u5206\u89e3\u3092\u5f15\u304d\u8d77\u3053\u3059\u3002 <\/p>\n\n\n\n<p>e) \u30cd\u30b8\u6e9d\u3084\u30d0\u30ec\u30eb\u524d\u90e8\u306b\u91d1\u5c5e\u7570\u7269\u304c\u8a70\u307e\u308a\u3001\u7570\u5e38\u306a\u6750\u6599\u6392\u51fa\u3084\u6750\u6599\u5206\u89e3\u3092\u5f15\u304d\u8d77\u3053\u3059\u3002 <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-mold-related-factors\">2.\u30ab\u30d3\u95a2\u9023\u8981\u56e0<\/h3>\n\n\n\n<p>a) \u91d1\u578b\u306e\u901a\u6c17\u4e0d\u826f\u3001\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u306e\u65ad\u71b1\u5727\u7e2e\u3001\u9ad8\u6e29\u9ad8\u5727\u4e0b\u3067\u306e\u9178\u7d20\u3068\u306e\u6fc0\u3057\u3044\u53cd\u5fdc\u306b\u3088\u308b\u71c3\u713c\u3002<\/p>\n\n\n\n<p>b) \u30b2\u30fc\u30c8\u306e\u8a2d\u8a08\u3068\u4f4d\u7f6e\u306f\u3001\u92f3\u578b\u3092\u8a2d\u8a08\u3059\u308b\u969b\u306b\u3001\u6eb6\u878d\u7269\u306e\u6d41\u52d5\u72b6\u614b\u3068\u92f3\u578b\u306e\u901a\u6c17\u6027\u80fd\u3092\u5341\u5206\u306b\u8003\u616e\u3059\u3079\u304d\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>c) \u91d1\u578b\u306e\u30d9\u30f3\u30c8\u304c\u4e0d\u5341\u5206\u3067\u3042\u3063\u305f\u308a\u3001\u4f4d\u7f6e\u304c\u4e0d\u9069\u5207\u3067\u3042\u3063\u305f\u308a\u3001\u5145\u586b\u901f\u5ea6\u304c\u901f\u3059\u304e\u305f\u308a\u3059\u308b\u3068\u3001\u91d1\u578b\u5185\u3067\u65ad\u71b1\u7684\u306b\u5727\u7e2e\u3055\u308c\u305f\u7a7a\u6c17\u304c\u9ad8\u6e29\u306e\u30ac\u30b9\u3092\u767a\u751f\u3055\u305b\u3001\u6a39\u8102\u306e\u5206\u89e3\u3084\u70ad\u5316\u3092\u5f15\u304d\u8d77\u3053\u3059\u3002<\/p>\n\n\n\n<p>d) \u96e2\u578b\u5264\u3084\u91d1\u578b\u8868\u9762\u306e\u4e0d\u7d14\u7269\u306b\u3088\u3063\u3066\u91d1\u578b\u30d9\u30f3\u30c8\u30db\u30fc\u30eb\u304c\u3075\u3055\u304c\u308c\u3001\u30d9\u30f3\u30c8\u4e0d\u826f\u3092\u8d77\u3053\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-molding-process-related-factors\">3.\u6210\u5f62\u30d7\u30ed\u30bb\u30b9\u95a2\u9023\u8981\u56e0<\/h3>\n\n\n\n<p>a) \u713c\u3051\u8de1\u306b\u3064\u306a\u304c\u308b\u6eb6\u878d\u7834\u58ca<\/p>\n\n\n\n<p>\u6eb6\u878d\u7834\u58ca\u306f\u3001\u6eb6\u878d\u7269\u304c\u5927\u304d\u306a\u30ad\u30e3\u30d3\u30c6\u30a3\u306b\u9ad8\u901f\u30fb\u9ad8\u5727\u3067\u6ce8\u5165\u3055\u308c\u308b\u3068\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u3001\u7279\u306b\u5c11\u91cf\u306e\u6eb6\u878d\u7269\u304c\u5927\u304d\u306a\u30ad\u30e3\u30d3\u30c6\u30a3\u306b\u6ce8\u5165\u3055\u308c\u308b\u3068\u3001\u8868\u9762\u306b\u6a2a\u65b9\u5411\u306e\u7834\u58ca\u304c\u767a\u751f\u3057\u3001\u30d6\u30ea\u30b9\u30bf\u30fc\u304c\u5f62\u6210\u3055\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u73fe\u8c61\u306f\u3001\u30dd\u30ea\u30de\u30fc\u30e1\u30eb\u30c8\u306e\u5f3e\u6027\u5909\u5f62\u304b\u3089\u751f\u3058\u308b\u3002\u6eb6\u878d\u7269\u304c\u30d0\u30ec\u30eb\u5185\u3092\u6d41\u308c\u308b\u969b\u3001\u6469\u64e6\u304c\u5927\u304d\u304f\u6d41\u901f\u306e\u9045\u3044\u30d0\u30ec\u30eb\u58c1\u9762\u8fd1\u304f\u306e\u90e8\u5206\u306f\u5927\u304d\u306a\u5fdc\u529b\u3092\u53d7\u3051\u308b\u3002\u6392\u51fa\u6642\u306b\u306f\u3053\u306e\u5fdc\u529b\u306f\u6d88\u6ec5\u3059\u308b\u304c\u3001\u4e2d\u5fc3\u90e8\u306e\u6eb6\u878d\u7269\u306f\u9ad8\u901f\u3067\u6d41\u52d5\u3057\u7d9a\u3051\u3001\u3088\u308a\u4f4e\u901f\u3067\u6d41\u52d5\u3059\u308b\u5468\u8fba\u90e8\u306e\u6eb6\u878d\u7269\u306b\u5f15\u3063\u5f35\u3089\u308c\u308b\u3002\u3053\u306e\u7d50\u679c\u3001\u6d41\u901f\u304c\u6025\u901f\u306b\u518d\u8abf\u6574\u3055\u308c\u3001\u878d\u6db2\u5168\u4f53\u306b\u5927\u304d\u306a\u5fdc\u529b\u5909\u52d5\u304c\u751f\u3058\u308b\u3002\u5fdc\u529b\u304c\u30e1\u30eb\u30c8\u306e\u8010\u529b\u3092\u8d85\u3048\u308b\u3068\u3001\u30e1\u30eb\u30c8\u306e\u7834\u58ca\u304c\u8d77\u3053\u308b\u3002<\/p>\n\n\n\n<p>b) \u5c04\u51fa\u901f\u5ea6\u306e\u5f71\u97ff<\/p>\n\n\n\n<p>\u6eb6\u878d\u7269\u304c\u4f4e\u901f\u3067\u30ad\u30e3\u30d3\u30c6\u30a3\u306b\u6ce8\u5165\u3055\u308c\u308b\u5834\u5408\u3001\u6eb6\u878d\u7269\u306e\u6d41\u52d5\u72b6\u614b\u306f\u5c64\u6d41\u3067\u3042\u308b\u3002 <a href=\"https:\/\/firstmold.com\/ja\/guides\/injection-speed-and-injection-pressure\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u5c04\u51fa\u901f\u5ea6<\/strong><\/a> \u304c\u3042\u308b\u30ec\u30d9\u30eb\u307e\u3067\u5897\u52a0\u3059\u308b\u3068\u3001\u6d41\u52d5\u72b6\u614b\u306f\u5f90\u3005\u306b\u4e71\u6d41\u306b\u306a\u308b\u3002\u4e00\u822c\u306b\u3001\u5c64\u6d41\u6761\u4ef6\u4e0b\u3067\u6210\u5f62\u3055\u308c\u305f\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u90e8\u54c1\u306f\u3001\u8868\u9762\u304c\u6ed1\u3089\u304b\u3067\u660e\u308b\u3044\u306e\u306b\u5bfe\u3057\u3001\u4e71\u6d41\u6761\u4ef6\u4e0b\u3067\u306f\u3001\u8868\u9762\u306b\u30d6\u30ea\u30b9\u30bf\u30fc\u304c\u767a\u751f\u3057\u3084\u3059\u3044\u3060\u3051\u3067\u306a\u304f\u3001\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u90e8\u54c1\u306e\u5185\u90e8\u306b\u30ac\u30b9\u30dd\u30b1\u30c3\u30c8\u304c\u5f62\u6210\u3055\u308c\u3084\u3059\u304f\u306a\u308b\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u5c04\u51fa\u901f\u5ea6\u306f\u901f\u304f\u3057\u3059\u304e\u305a\u3001\u5c64\u6d41\u6761\u4ef6\u3067\u91d1\u578b\u306b\u6eb6\u878d\u7269\u304c\u5145\u586b\u3055\u308c\u308b\u3088\u3046\u306b\u5236\u5fa1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<p>c) \u6eb6\u878d\u7269\u306e\u6e29\u5ea6\u304c\u9ad8\u3059\u304e\u308b\u3068\u3001\u6eb6\u878d\u7269\u304c\u5206\u89e3\u3057\u3066\u70ad\u5316\u3057\u3001\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u90e8\u54c1\u306e\u8868\u9762\u306b\u30d6\u30ea\u30b9\u30bf\u30fc\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<p>d) \u9577\u6642\u9593\u306e\u30b5\u30a4\u30af\u30eb\u4e2d\u306b\u30d0\u30ec\u30eb\u5185\u3067\u306e\u6ede\u5728\u6642\u9593\u304c\u904e\u5ea6\u306b\u9577\u304f\u306a\u308b\u3053\u3068\u306b\u3088\u308b\u6750\u6599\u306e\u5206\u89e3\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-4-impact-of-raw-materials\">4.\u539f\u6750\u6599\u306e\u5f71\u97ff <\/h3>\n\n\n\n<p>a) \u539f\u6599\u4e2d\u306e\u6c34\u5206\u3084\u63ee\u767a\u6027\u7269\u8cea\u306e\u542b\u6709\u91cf\u304c\u591a\u3044\u3002<\/p>\n\n\n\n<p>b) \u30e1\u30eb\u30c8\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u9ad8\u304f\u3001\u30e1\u30eb\u30c8\u306e\u6d41\u52d5\u6027\u304c\u826f\u3044\u305f\u3081\u3001\u30ac\u30b9\u304c\u6392\u51fa\u3055\u308c\u306b\u304f\u3044\u3002<\/p>\n\n\n\n<p>c) \u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u6dfb\u52a0\u5264\u3001\u63ee\u767a\u6027\u7269\u8cea\u3092\u542b\u3080\u7740\u8272\u5264\u3001\u6e7f\u6c17\u3001\u5206\u89e3\u3092\u5f15\u304d\u8d77\u3053\u3059\u9ad8\u6e29\u306b\u8010\u6027\u306e\u306a\u3044\u3082\u306e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-improvement-measures-for-burn-marks\">\u706b\u50b7\u8de1\u306e\u6539\u5584\u7b56<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-burn-marks-occur-during-empty-injections\">1.\u7a7a\u6ce8\u5165\u6642\u306b\u706b\u50b7\u306e\u8de1\u304c\u6b8b\u308b <\/h3>\n\n\n\n<p>a) \u30ce\u30ba\u30eb\u304c\u8a70\u307e\u3063\u3066\u3044\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b\u3002 <\/p>\n\n\n\n<p>b) \u30b9\u30af\u30ea\u30e5\u30fc\u3001\u30c1\u30a7\u30c3\u30af\u30ea\u30f3\u30b0\u3001\u30d0\u30ec\u30eb\u306a\u3069\u306b\u640d\u50b7\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b\u3002 <\/p>\n\n\n\n<p>c) \u52a0\u71b1\u30b7\u30b9\u30c6\u30e0\u3001\u6e29\u5ea6\u30bb\u30f3\u30b5\u30fc\u30e9\u30a4\u30f3\u3001\u71b1\u96fb\u5bfe\u3001\u52a0\u71b1\u30ea\u30f3\u30b0\u3001\u53ef\u5851\u5316\u6e29\u5ea6\u8a2d\u5b9a\u306b\u7570\u5e38\u304c\u306a\u3044\u304b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3002 <\/p>\n\n\n\n<p>d) \u539f\u6599\u306e\u30ab\u30e9\u30fc\u30d1\u30a6\u30c0\u30fc\u3001\u30de\u30b9\u30bf\u30fc\u30d0\u30c3\u30c1\u306a\u3069\u306b\u5206\u89e3\u3057\u3084\u3059\u3044\u7269\u8cea\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u304b\u30c1\u30a7\u30c3\u30af\u3057\u3001\u554f\u984c\u3092\u89e3\u6d88\u3059\u308b\u305f\u3081\u306b\u5225\u306e\u6750\u6599\u306b\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u3092\u691c\u8a0e\u3059\u308b\u3002 <\/p>\n\n\n\n<p>e) \u80cc\u5727\u304c\u9ad8\u3059\u304e\u305f\u308a\u3001\u8caf\u8535\u56de\u8ee2\u6570\u304c\u9ad8\u3059\u304e\u305f\u308a\u3001\u4e88\u5099\u53ef\u5851\u5316\u6642\u9593\u304c\u9577\u3059\u304e\u305f\u308a\u3057\u3066\u3001\u539f\u6599\u306e\u5206\u89e3\u3084\u70ad\u5316\u3092\u5f15\u304d\u8d77\u3053\u3057\u3066\u3044\u306a\u3044\u304b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3002 <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-burn-marks-in-the-mold\">2.\u91d1\u578b\u306e\u713c\u3051\u8de1 <\/h3>\n\n\n\n<p>a) <a href=\"https:\/\/firstmold.com\/ja\/hot-runner-mold-making\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u30db\u30c3\u30c8\u30e9\u30f3\u30ca\u30fc\u91d1\u578b<\/strong><\/a>, \u30db\u30c3\u30c8\u30e9\u30f3\u30ca\u30fc\u306b\u7570\u5e38\u304c\u306a\u3044\u304b\u3001\u30db\u30c3\u30c8\u30e9\u30f3\u30ca\u30fc\u672c\u4f53\u3068\u6e29\u5ea6\u5236\u5fa1\u306b\u7570\u5e38\u304c\u306a\u3044\u304b\u70b9\u691c\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p>b) \u30b3\u30fc\u30eb\u30c9\u30e9\u30f3\u30ca\u30fc\u91d1\u578b\u306e\u5834\u5408\u3001\u30e9\u30f3\u30ca\u30fc\u3068\u30b2\u30fc\u30c8\u306b\u640d\u50b7\u7b49\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b\u3002 <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-burn-marks-on-the-product\">3.\u88fd\u54c1\u306e\u7126\u3052\u8de1 <\/h3>\n\n\n\n<p>a) \u88fd\u54c1\u306e\u7aef\u306b\u713c\u3051\u8de1\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001\u30d9\u30f3\u30c8\u3092\u5897\u3084\u3057\u3001\u5c04\u51fa\u901f\u5ea6\u3092\u4e0b\u3052\u308b\u3053\u3068\u3092\u691c\u8a0e\u3059\u308b\u3002 <\/p>\n\n\n\n<p>b)\u88fd\u54c1\u306e\u4e2d\u592e\u90e8\u306b\u713c\u3051\u8de1\u304c\u767a\u751f\u3059\u308b\u5834\u5408\u306f\u3001\u6392\u6c17\u30a4\u30f3\u30b5\u30fc\u30c8\u3092\u5909\u66f4\u3059\u308b\u304b\u3001\u6392\u6c17\u30a8\u30b8\u30a7\u30af\u30bf\u30fc\u30d4\u30f3\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3092\u691c\u8a0e\u3057\u3001\u5de5\u7a0b\u3067\u5206\u5272\u5c04\u51fa\u3092\u4f7f\u7528\u3057\u3001\u713c\u3051\u8de1\u306e\u4f4d\u7f6e\u3067\u5c04\u51fa\u901f\u5ea6\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u3002<\/p>\n\n\n\n<p> c) \u88fd\u54c1\u306e\u30c6\u30fc\u30eb\u30a8\u30f3\u30c9\u306b\u713c\u304d\u8de1\u304c\u767a\u751f\u3059\u308b\u5834\u5408\u306f\u3001\u91d1\u578b\u306e\u30d9\u30f3\u30c8\u6e9d\u3092\u6e05\u6383\u3057\u3001\u30af\u30e9\u30f3\u30d7\u529b\u3092\u5f31\u3081\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-case-analysis-of-burn-marks\">\u706b\u50b7\u75d5\u306e\u30b1\u30fc\u30b9\u5206\u6790<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"514\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Case-image-of-product-burn-marks-1024x514.webp\" alt=\"\u88fd\u54c1\u713c\u3051\u8de1\u306e\u30b1\u30fc\u30b9\u753b\u50cf\" class=\"wp-image-19418\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Case-image-of-product-burn-marks-1024x514.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Case-image-of-product-burn-marks-300x151.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Case-image-of-product-burn-marks-768x386.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Case-image-of-product-burn-marks-18x9.webp 18w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Case-image-of-product-burn-marks.webp 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u88fd\u54c1\u713c\u3051\u8de1\u306e\u30b1\u30fc\u30b9\u753b\u50cf<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" 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