{"id":529,"date":"2025-11-30T14:20:21","date_gmt":"2025-11-30T14:20:21","guid":{"rendered":"https:\/\/sjnbcasting.com\/?p=529"},"modified":"2025-12-20T13:04:40","modified_gmt":"2025-12-20T13:04:40","slug":"differences-between-zinc-nickel-and-chromium-plating-in-the-casting-process","status":"publish","type":"post","link":"https:\/\/sjnbcasting.com\/ja\/differences-between-zinc-nickel-and-chromium-plating-in-the-casting-process\/","title":{"rendered":"\u92f3\u9020\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3051\u308b\u4e9c\u925b\u3001\u30cb\u30c3\u30b1\u30eb\u3001\u30af\u30ed\u30e0\u3081\u3063\u304d\u306e\u9055\u3044"},"content":{"rendered":"<p>\u92f3\u9020\u91d1\u5c5e\u90e8\u54c1\u306e\u8868\u9762\u51e6\u7406\u306b\u304a\u3044\u3066\u3001\u4e9c\u925b\u3081\u3063\u304d\u3001\u30cb\u30c3\u30b1\u30eb\u3081\u3063\u304d\u3001\u30af\u30ed\u30e0\u3081\u3063\u304d\u306f\u3001\u6700\u3082\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b3\u3064\u306e\u96fb\u6c17\u3081\u3063\u304d\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u4e3b\u306a\u9055\u3044\u306f\u3001\u3081\u3063\u304d\u7279\u6027\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u539f\u7406\u3001\u304a\u3088\u3073\u9069\u7528\u3055\u308c\u308b\u5834\u9762\u306b\u3042\u308a\u307e\u3059\u3002 \u3055\u3089\u306b\u3001\u92f3\u9020\u54c1\u306e\u6bcd\u6750\u7279\u6027\uff08\u92f3\u9244\u3001\u92f3\u92fc\u3001\u92f3\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u306a\u3069\uff09\u3082\u8003\u616e\u3057\u3066\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u4e3b\u8981\u306a\u89b3\u70b9\u304b\u3089\u306e\u8a73\u7d30\u306a\u6bd4\u8f03\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>I. \u30e1\u30c3\u30ad\u306b\u304a\u3051\u308b\u4e3b\u8981\u306a\u5b9a\u7fa9\u3068\u672c\u8cea\u7684\u306a\u9055\u3044<\/h2>\n<p>\u3053\u308c\u30893\u7a2e\u985e\u306e\u30e1\u30c3\u30ad\u306e\u57fa\u672c\u7684\u306a\u7279\u6027\uff08\u7d44\u6210\u3001\u69cb\u9020\u3001\u539a\u3055\uff09\u304c\u3001\u305d\u306e\u5f8c\u306e\u6027\u80fd\u5dee\u306e\u6839\u672c\u7684\u306a\u539f\u56e0\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u307e\u305a\u3001\u305d\u306e\u6838\u5fc3\u7684\u306a\u9055\u3044\u3092\u660e\u78ba\u306b\u3057\u307e\u3057\u3087\u3046\uff1a<\/p>\n<table style=\"height: 298px; width: 742px; border-style: solid;\" width=\"742\">\n<tbody>\n<tr>\n<td style=\"width: 139.448px;\">\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u7a2e\u985e\uff1a<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 143.469px;\">\u4e3b\u8981\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff1a<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 212.688px;\">\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u69cb\u9020\uff0f\u539a\u3055<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 221.729px;\">\u4e3b\u306a\u7279\u6027\uff08\u92f3\u7269\u3068\u306e\u9069\u5408\u6027\uff09<\/p>\n<p>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 139.448px;\">\u4e9c\u925b\u30e1\u30c3\u30ad<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 143.469px;\">\u4e9c\u925b\uff08Zn\uff09<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 212.688px;\">\u5358\u5c64\uff0f\u591a\u5c64\uff08\u4f8b\uff1a\u30ab\u30e9\u30fc\u4e9c\u925b\u3001\u30d6\u30e9\u30c3\u30af\u4e9c\u925b\uff09\u3001\u539a\u3055 5\uff5e20\u03bcm\uff08\u92f3\u7269\u306b\u306f\u901a\u5e38 8\uff5e15\u03bcm \u304c\u9078\u3070\u308c\u308b\uff09<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 221.729px;\">\u4f4e\u30b3\u30b9\u30c8\u306e\u72a0\u7272\u967d\u6975\u306b\u3088\u308b\u9632\u98df\uff08\u6bcd\u6750\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e\u512a\u5148\u7684\u306a\u9178\u5316\uff09\u3001\u4f4e\u786c\u5ea6\uff08HV100\uff5e200\uff09<\/p>\n<p>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 139.448px;\">\u30cb\u30c3\u30b1\u30eb\u30e1\u30c3\u30ad<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 143.469px;\">\u30cb\u30c3\u30b1\u30eb\uff08Ni\uff09\uff08\u7d14\u30cb\u30c3\u30b1\u30eb\uff0f\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u3001\u4f8b\u3048\u3070\u30cb\u30c3\u30b1\u30eb\u30fb\u30ea\u30f3\u5408\u91d1\u306a\u3069\uff09<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 212.688px;\">\u5358\u5c64\uff0f\u8907\u5408\u5c64\uff08\u4e0b\u5730\u51e6\u7406\uff0b\u30cb\u30c3\u30b1\u30eb\u3081\u3063\u304d\uff09\u3001\u539a\u3055 10\uff5e50\u03bcm\uff08\u92f3\u7269\u306b\u3064\u3044\u3066\u306f\u3001\u4e8b\u524d\u306b\u7a74\u306e\u5145\u586b\u30fb\u7814\u78e8\u304c\u5fc5\u8981\uff09<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 221.729px;\">\u4e2d\u7a0b\u5ea6\u306e\u8010\u98df\u6027\u3001\u4e2d\u7a0b\u5ea6\u306e\u786c\u5ea6\uff08\u7d14\u30cb\u30c3\u30b1\u30eb\uff1aHV400\uff5e600\u3001\u7121\u96fb\u89e3\u30cb\u30c3\u30b1\u30eb\u3081\u3063\u304d\uff1aHV800\uff5e1000\uff09\u3001\u9ad8\u3044\u8868\u9762\u4ed5\u4e0a\u3052<\/p>\n<p>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 139.448px;\">\u30af\u30ed\u30e0\u30e1\u30c3\u30ad<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 143.469px;\">\u30af\u30ed\u30e0\uff08Cr\uff09\uff08\u88c5\u98fe\u7528\u30af\u30ed\u30e0\uff0f\u786c\u8cea\u30af\u30ed\u30e0\uff09<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 212.688px;\">2\u5c64 \/ 3\u5c64\uff08\u9285\u4e0b\u5730 + \u30cb\u30c3\u30b1\u30eb\u4e0b\u5730 + \u30af\u30ed\u30e0\u5c64\uff09\u3001\u786c\u8cea\u30af\u30ed\u30e0\u3081\u3063\u304d\u306e\u539a\u3055 5\uff5e100\u03bcm\u3001\u88c5\u98fe\u7528\u30af\u30ed\u30e0\u3081\u3063\u304d\u306e\u307f 0.1\uff5e0.5\u03bcm<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 221.729px;\">\u6975\u3081\u3066\u9ad8\u3044\u786c\u5ea6\uff08HV800\uff5e1200\uff09\u3001\u8010\u6469\u8017\u6027\u30fb\u8010\u71b1\u6027\u306b\u512a\u308c\u308b\u304c\u3001\u8010\u98df\u6027\u306f\u4f4e\u3044\u305f\u3081\uff08\u4e0b\u5730\u51e6\u7406\u306b\u3088\u308b\u4fdd\u8b77\u304c\u5fc5\u8981\uff09\u3001\u5149\u6ca2\u306e\u3042\u308b\u5916\u89b3<\/p>\n<p>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><\/h2>\n<h2>II. \u92f3\u9020\u54c1\u3078\u306e\u9069\u5fdc\u306b\u95a2\u3059\u308b\u5de5\u7a0b\u306e\u539f\u5247\u3068\u8981\u70b9<\/h2>\n<p>\u92f3\u7269\uff08\u7279\u306b <a href=\"https:\/\/sjnbcasting.com\/ja\/the-difference-between-ferrous-and-non-ferrous-metals-in-investment-casting\/\" data-wpil-monitor-id=\"46\">\u30a4\u30f3\u30d9\u30b9\u30c8\u30e1\u30f3\u30c8\u92f3\u7269<\/a> \uff08\u304a\u3088\u3073\u7802\u578b\u92f3\u9020\uff09\u306f\u3001\u5fae\u7d30\u306a\u6c17\u5b54\u3084\u9ad8\u3044\u8868\u9762\u7c97\u3055\u304c\u751f\u3058\u3084\u3059\u3044\u3002\u3053\u308c\u30893\u7a2e\u985e\u306e\u30e1\u30c3\u30ad\u306e\u30d7\u30ed\u30bb\u30b9\u9069\u5fdc\u6027\u306b\u306f\u5927\u304d\u306a\u9055\u3044\u304c\u3042\u308b\uff1a<\/p>\n<p>&nbsp;<\/p>\n<h3>1. \u4e9c\u925b\u30e1\u30c3\u30ad\uff1a\u4f4e\u30b3\u30b9\u30c8\u306e\u9632\u98df\u51e6\u7406\u3067\u3001\u92f3\u9244\u30fb\u92f3\u92fc\u90e8\u54c1\u306b\u9069\u3057\u3066\u3044\u307e\u3059<\/h3>\n<h4>\u30d7\u30ed\u30bb\u30b9\u306e\u539f\u5247\uff1a<\/h4>\n<p>Divided into &#8220;electro-zinc plating&#8221; (acidic\/alkaline plating solution, current deposition) and&#8230; Hot-dip galvanizing (immersion in molten zinc) is preferred for castings, while electroplating is the preferred choice (hot-dip galvanizing easily leads to casting deformation, and the coating is thicker and less precise).<\/p>\n<h4>\u92f3\u9020\u4e92\u63db\u6027\u306b\u95a2\u3059\u308b\u8a73\u7d30\uff1a<\/h4>\n<ul>\n<li>Cast iron parts require &#8220;degreasing \u2192 pickling (removing oxide scale) \u2192 activation (removing graphite layer)&#8221; to avoid poor coating adhesion;<\/li>\n<li>Cast steel parts require &#8220;passivation treatment&#8221; (color zinc, blue zinc, black zinc) after galvanizing to form a passivation film (ZnCrO\u2084), improving corrosion resistance by 5-10 times;<\/li>\n<li>\u30c7\u30e1\u30ea\u30c3\u30c8\uff1a\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u304c\u67d4\u3089\u304b\u304f\u3001\u50b7\u304c\u3064\u304d\u3084\u3059\u3044\u305f\u3081\u3001\u6469\u64e6\u3084\u8ca0\u8377\u304c\u304b\u304b\u308b\u7b87\u6240\u306b\u306f\u4e0d\u5411\u304d\u3067\u3059\u3002.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>2. \u30cb\u30c3\u30b1\u30eb\u30e1\u30c3\u30ad\uff1a\u8010\u98df\u6027\u3068\u8868\u9762\u306e\u6ed1\u3089\u304b\u3055\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u53d6\u308c\u3066\u304a\u308a\u3001\u7cbe\u5bc6\u92f3\u9020\u54c1\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002.<\/h3>\n<h4>\u30d7\u30ed\u30bb\u30b9\u306e\u539f\u7406\uff1a<\/h4>\n<p>Divided into &#8220;electroplating nickel&#8221; (sulfate\/sulfamic acid plating solution) and &#8220;chemical nickel plating&#8221; (current-free, autocatalytic deposition). Chemical nickel plating is preferred for castings (uniform coating, can cover micropores).<\/p>\n<h4>\u30ad\u30e3\u30b9\u30c6\u30a3\u30f3\u30b0\u306e\u4e92\u63db\u6027\u306b\u95a2\u3059\u308b\u8a73\u7d30\uff1a<\/h4>\n<ul>\n<li>\u92f3\u9020\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u90e8\u54c1\u306e\u30cb\u30c3\u30b1\u30eb\u3081\u3063\u304d\u3092\u884c\u3046\u5834\u5408\u3001\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u3068\u30cb\u30c3\u30b1\u30eb\u306e\u76f4\u63a5\u53cd\u5fdc\u306b\u3088\u308b\u3081\u3063\u304d\u306e\u5265\u96e2\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u4e9c\u925b\u6d78\u6f2c\u30d7\u30e9\u30a4\u30de\u30fc\uff08\u4e9c\u925b\u5c64\u306e\u9077\u79fb\u5c64\u3092\u5f62\u6210\u3059\u308b\u305f\u3081\uff09\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002.<\/li>\n<li>\u7cbe\u5ea6 <a href=\"https:\/\/sjnbcasting.com\/ja\/investment-casting-trends-in-automotive-chassis-parts-in-europe-and-the-united-states\/\" data-wpil-monitor-id=\"47\">\u30a4\u30f3\u30d9\u30b9\u30c8\u30e1\u30f3\u30c8\u92f3\u7269<\/a> \uff08\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u92f3\u7269\u306a\u3069\uff09\u306f\u3001\u30cb\u30c3\u30b1\u30eb\u30e1\u30c3\u30ad\u3092\u65bd\u3057\u305f\u5f8c\u3001\u93e1\u9762\u4ed5\u4e0a\u3052\u306b\u7814\u78e8\u3059\u308b\u3053\u3068\u3067\u3001\u5916\u89b3\u304a\u3088\u3073\u30b7\u30fc\u30eb\u6027\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/li>\n<li>Chemical nickel plating contains phosphorus, achieving a &#8220;non-porous plating&#8221; layer with better corrosion resistance than zinc plating, suitable for humid\/mildly corrosive environments.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>3. \u30af\u30ed\u30e0\u30e1\u30c3\u30ad\uff1a\u8010\u6469\u8017\u6027\u304c\u9ad8\u304f\u3001\u88c5\u98fe\u6027\u306b\u3082\u512a\u308c\u3066\u3044\u308b\u304c\u3001\u4fdd\u8b77\u7528\u306e\u4e0b\u5730\u5c64\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002.<\/h3>\n<h4>\u30d7\u30ed\u30bb\u30b9\u306e\u539f\u7406\uff1a<\/h4>\n<p>Divided into &#8220;decorative chromium&#8221; (thin chromium layer, corrosion protection relies on a nickel underlayer) and &#8220;hard chromium&#8221; (thick chromium layer, primarily for wear resistance). Castings must be pre-plated with copper + nickel before chromium plating (chromium layers have high porosity, making direct plating prone to rust).<\/p>\n<h4>\u92f3\u9020\u90e8\u54c1\u306e\u4e92\u63db\u6027\u306b\u95a2\u3059\u308b\u8a73\u7d30\uff1a<\/h4>\n<ul>\n<li>\u92f3\u92fc\u30fb\u92f3\u9244\u90e8\u54c1\u306b\u786c\u8cea\u30af\u30ed\u30e0\u30e1\u30c3\u30ad\u3092\u65bd\u3059\u5834\u5408\u306f\u3001\u4e8b\u524d\u306bRa\u22640.8\u03bcm\u306b\u306a\u308b\u307e\u3067\u7814\u524a\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3046\u3057\u306a\u3044\u3068\u3001\u30e1\u30c3\u30ad\u306b\u3072\u3073\u5272\u308c\u304c\u751f\u3058\u3084\u3059\u304f\u306a\u308a\u307e\u3059\uff08\u92f3\u9020\u9762\u306e\u8868\u9762\u306f\u7c97\u3044\u305f\u3081\u3001\u4e8b\u524d\u52a0\u5de5\u304c\u5fc5\u8981\u3067\u3059\uff09\u3002.<\/li>\n<li>\u786c\u8cea\u30af\u30ed\u30e0\u30e1\u30c3\u30ad\u306f\u3001\u6469\u8017\u3057\u305f\u92f3\u7269\uff08\u6cb9\u5727\u30b7\u30ea\u30f3\u30c0\u30fc\u672c\u4f53\u306a\u3069\uff09\u3092\u4fee\u5fa9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u30e1\u30c3\u30ad\u306e\u539a\u307f\u306b\u3088\u3063\u3066\u5bf8\u6cd5\u516c\u5dee\u3092\u88dc\u6b63\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/li>\n<li>\u88c5\u98fe\u7528\u306e\u30af\u30ed\u30e0\u30e1\u30c3\u30ad\u306f\u3001\u5916\u88c5\u90e8\u54c1\uff08\u92f3\u9020\u30c9\u30a2\u30cf\u30f3\u30c9\u30eb\u306a\u3069\uff09\u306b\u306e\u307f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u30e1\u30c3\u30ad\u5c64\u306f\u8584\u304f\u3001\u5f37\u3044\u8150\u98df\u306b\u306f\u8010\u3048\u3089\u308c\u307e\u305b\u3093\u3002.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/sjnbcasting.com\/ja\/solution\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-530 size-full\" src=\"https:\/\/sjnbcasting.com\/wp-content\/uploads\/2025\/11\/Differences-between-Zinc-Plating-in-the-Casting-Process.jpg\" alt=\"Differences between Zinc, Nickel, and Chromium Plating in the Casting Process\" width=\"800\" height=\"500\" srcset=\"https:\/\/sjnbcasting.com\/wp-content\/uploads\/2025\/11\/Differences-between-Zinc-Plating-in-the-Casting-Process.jpg 800w, https:\/\/sjnbcasting.com\/wp-content\/uploads\/2025\/11\/Differences-between-Zinc-Plating-in-the-Casting-Process-480x300.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" \/><\/a><\/p>\n<h2>III. \u30b3\u30a2\u6027\u80fd\u306e\u6bd4\u8f03\uff08\u30ad\u30e3\u30b9\u30c6\u30a3\u30f3\u30b0\u30b7\u30ca\u30ea\u30aa\u306b\u9069\u3057\u3066\u3044\u308b\uff09<\/h2>\n<table style=\"width: 920px;\" width=\"973\">\n<tbody>\n<tr>\n<td style=\"width: 171.552px;\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5074\u9762<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 187.604px;\">\u4e9c\u925b\u30e1\u30c3\u30ad<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 230.573px;\">\u30cb\u30c3\u30b1\u30eb\u3081\u3063\u304d\uff08\u96fb\u6c17\u3081\u3063\u304d\uff09<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 305.604px;\">\u30af\u30ed\u30e0\u30e1\u30c3\u30ad\uff08\u786c\u8cea\u30af\u30ed\u30e0\uff0f\u88c5\u98fe\u7528\u30af\u30ed\u30e0\uff09<\/p>\n<p>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 171.552px;\">\u8010\u98df\u6027<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 187.604px;\">\u512a\u79c0\uff08\u72a0\u7272\u967d\u6975\u3001\u4e0d\u52d5\u614b\u5316\u5f8c\u306b\u5f37\u5ea6\u304c\u5411\u4e0a\uff09<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 230.573px;\">\u4e2d\u7a0b\u5ea6\uff08\u975e\u591a\u5b54\u8cea\u306e\u3081\u3063\u304d\u306b\u3088\u308a\u3001\u826f\u597d\u306a\u8010\u98df\u6027\u3092\u767a\u63ee\uff09<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 305.604px;\">\u4e0d\u826f\uff08\u4e0b\u5857\u308a\u304c\u5fc5\u8981\u3001\u8efd\u5ea6\u306e\u8150\u98df\u306b\u3057\u304b\u8010\u3048\u3089\u308c\u306a\u3044\uff09<\/p>\n<p>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 171.552px;\">\u786c\u5ea6\uff0f\u8010\u6469\u8017\u6027<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 187.604px;\">\u72b6\u614b\u304c\u60aa\u3044\uff08\u50b7\u304c\u3064\u304d\u3084\u3059\u3044\uff09<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 230.573px;\">Medium &#8211; Excellent (Wear-resistant electroless nickel plating)<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 305.604px;\">\u512a\uff08\u786c\u8cea\u30af\u30ed\u30e0\u30e1\u30c3\u30ad\u306f\u8010\u6469\u8017\u6027\u30fb\u8010\u885d\u6483\u6027\u306b\u512a\u308c\u3066\u3044\u308b\uff09<\/p>\n<p>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 171.552px;\">\u8010\u71b1\u6027<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 187.604px;\">\u4e0d\u826f\uff08100\u2103\u4ee5\u4e0a\u3067\u4e9c\u925b\u5c64\u304c\u9178\u5316\u3059\u308b\uff09<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 230.573px;\">\u4e2d\u7a0b\u5ea6\uff08200\u2103\u4ee5\u4e0b\u3067\u5b89\u5b9a\uff09<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 305.604px;\">\u826f\u597d\uff08400\u2103\u4ee5\u4e0b\u3067\u306f\u30af\u30ed\u30e0\u5c64\u304c\u5b89\u5b9a\u3057\u3066\u3044\u308b\uff09<\/p>\n<p>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 171.552px;\">\u5916\u89b3<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 187.604px;\">\u901a\u5e38\uff08\u30de\u30c3\u30c8\uff0f\u30ab\u30e9\u30fc\uff09<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 230.573px;\">\u6975\u4e0a\uff08\u93e1\u9762\u4ed5\u4e0a\u3052\u307e\u3067\u78e8\u304d\u4e0a\u3052\u308b\u3053\u3068\u304c\u53ef\u80fd\uff09<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 305.604px;\">\u7d20\u6674\u3089\u3057\u3044\uff08\u88c5\u98fe\u7528\u306e\u30af\u30ed\u30fc\u30e0\u306f\u93e1\u306e\u3088\u3046\u306b\u5149\u308b\uff09<\/p>\n<p>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 171.552px;\">\u57fa\u677f\u3068\u306e\u4e92\u63db\u6027<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 187.604px;\">\u92f3\u9244\uff0f\u92f3\u92fc\uff08\u63a8\u5968\uff09<\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 230.573px;\">\u92f3\u9020\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\uff0f\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<span style=\"font-family: inherit; font-size: inherit;\">\u7cbe\u5bc6\u90e8\u54c1<\/span><\/p>\n<p>&nbsp;<\/td>\n<td style=\"width: 305.604px;\">\u92f3\u92fc\uff0f\u92f3\u9244\u88fd\u306e\u8010\u8377\u91cd\u30fb\u8010\u6469\u8017\u90e8\u54c1<\/p>\n<p>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>IV. \u4ee3\u8868\u7684\u306a\u9069\u7528\u4e8b\u4f8b\uff08\u92f3\u9020\u54c1\u3092\u4f8b\u3068\u3057\u3066\uff09<\/h2>\n<h3>\u4e9c\u925b\u30e1\u30c3\u30ad\uff1a<\/h3>\n<ul>\n<li>\u7528\u9014\uff1a\u5efa\u8a2d\u6a5f\u68b0\u7528\u92f3\u92fc\u90e8\u54c1\uff08\u6398\u524a\u6a5f\u306e\u30b7\u30e3\u30fc\u30b7\u90e8\u54c1\u306a\u3069\uff09\u3001\u5efa\u8a2d\u7528\u92f3\u9244\u88fd\u914d\u7ba1\u7d99\u624b\u3001\u304a\u3088\u3073\u4e00\u822c\u7684\u306a\u91d1\u7269\u7528\u92f3\u7269\uff1b;<\/li>\n<li>\u7406\u5c48\uff1a\u5c4b\u5916\u3067\u306e\u9632\u98df\u30cb\u30fc\u30ba\u3092\u6e80\u305f\u3059\u4f4e\u30b3\u30b9\u30c8\u306a\u89e3\u6c7a\u7b56\u3002\u3081\u3063\u304d\u306b\u50b7\u304c\u3064\u3044\u305f\u5834\u5408\u3067\u3082\u3001\u4e9c\u925b\u304c\u81ea\u3089\u3092\u72a0\u7272\u306b\u3057\u3066\u6bcd\u6750\u3092\u4fdd\u8b77\u3059\u308b\uff08\u9670\u6975\u9632\u98df\uff09\u3002.<\/li>\n<\/ul>\n<h3>\u30cb\u30c3\u30b1\u30eb\u30e1\u30c3\u30ad\uff1a<\/h3>\n<ul>\n<li>\u30b7\u30ca\u30ea\u30aa\uff1a\u7cbe\u5bc6 <a href=\"https:\/\/sjnbcasting.com\/ja\/innovations-in-investment-castings-for-gas-turbines\/\" data-wpil-monitor-id=\"48\">\u30a4\u30f3\u30d9\u30b9\u30c8\u30e1\u30f3\u30c8\u92f3\u9020<\/a> \u30b9\u30c6\u30f3\u30ec\u30b9\u88fd\u306e\u30d0\u30eb\u30d6\u30b3\u30a2\u3001\u30a2\u30eb\u30df\u92f3\u9020\u88fd\u306e\u8a08\u5668\u30cf\u30a6\u30b8\u30f3\u30b0\u3001\u304a\u3088\u3073\u98df\u54c1\u6a5f\u68b0\u7528\u92f3\u7269\uff1b;<\/li>\n<li>\u7406\u7531\uff1a\u975e\u591a\u5b54\u8cea\u306e\u30e1\u30c3\u30ad\u306b\u3088\u308a\u57f9\u5730\u306e\u6d78\u900f\u3092\u9632\u304e\u3001\u9ad8\u3044\u8868\u9762\u4ed5\u4e0a\u3052\u7cbe\u5ea6\u306b\u3088\u308a\u5bc6\u9589\u6027\u304a\u3088\u3073\u885b\u751f\u4e0a\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3059\u3002\u307e\u305f\u3001\u5316\u5b66\u30cb\u30c3\u30b1\u30eb\u30e1\u30c3\u30ad\u306f\u92f3\u9020\u6642\u306e\u5fae\u7d30\u306a\u6c17\u5b54\u3092\u8986\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3002.<\/li>\n<\/ul>\n<h3>\u30af\u30ed\u30e0\u30e1\u30c3\u30ad\uff1a<\/h3>\n<ul>\n<li>\u7528\u9014\u4f8b\uff1a\u92f3\u9020\u6cb9\u5727\u30b7\u30ea\u30f3\u30c0\u30fc\u672c\u4f53\uff08\u786c\u8cea\u30af\u30ed\u30e0\u30e1\u30c3\u30ad\uff09\u3001\u92f3\u9020\u81ea\u52d5\u8eca\u30db\u30a4\u30fc\u30eb\uff08\u88c5\u98fe\u7528\u30af\u30ed\u30e0\u30e1\u30c3\u30ad\uff09\u3001\u92f3\u9020\u5de5\u4f5c\u6a5f\u68b0\u30ac\u30a4\u30c9\u30a6\u30a7\u30a4\uff08\u786c\u8cea\u30af\u30ed\u30e0\u30e1\u30c3\u30ad\uff09\uff1b;<\/li>\n<li>Logic: Hard chrome&#8217;s high hardness resists friction\/impact, decorative chrome enhances the appearance, and the underlying nickel\/copper ensures corrosion resistance.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>V. \u307e\u3068\u3081\uff1a\u4e2d\u6838\u30ed\u30b8\u30c3\u30af\u306e\u9078\u5b9a<\/h2>\n<ul>\n<li>\u57fa\u672c\u7684\u306a\u8150\u98df\u9632\u6b62\u3068\u4f4e\u30b3\u30b9\u30c8\u306e\u307f\u304c\u6c42\u3081\u3089\u308c\u308b\u5834\u5408\u306f\u3001\u4e9c\u925b\u30e1\u30c3\u30ad\u3092\u512a\u5148\u3057\u3066\u304f\u3060\u3055\u3044\uff08\u92f3\u9244\u30fb\u92f3\u92fc\u90e8\u54c1\u306b\u9069\u3057\u3066\u3044\u307e\u3059\uff09\u3002;<\/li>\n<li>\u8010\u98df\u6027\u306b\u52a0\u3048\u3001\u6ed1\u3089\u304b\u3055\u3084\u7cbe\u5bc6\u306a\u30b7\u30fc\u30eb\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u5834\u5408\u306f\u3001\u30cb\u30c3\u30b1\u30eb\u30e1\u30c3\u30ad\uff08\u7279\u306b\u3001\u30a2\u30eb\u30df\u92f3\u7269\u3084\u7cbe\u5bc6\u92f3\u7269\u306b\u9069\u3057\u305f\u5316\u5b66\u30cb\u30c3\u30b1\u30eb\u30e1\u30c3\u30ad\uff09\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002;<\/li>\n<li>\u9ad8\u3044\u8010\u6469\u8017\u6027\u30fb\u9ad8\u786c\u5ea6\u30fb\u88c5\u98fe\u7684\u306a\u5916\u89b3\u304c\u6c42\u3081\u3089\u308c\u308b\u5834\u5408\u306f\u3001\u30af\u30ed\u30e0\u30e1\u30c3\u30ad\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\uff08\u9069\u5207\u306a\u4e0b\u5730\u51e6\u7406\u304c\u5fc5\u8981\u3067\u3042\u308a\u3001\u8377\u91cd\u3092\u53d7\u3051\u308b\u92f3\u7269\u3084\u5916\u89b3\u91cd\u8996\u306e\u92f3\u7269\u306b\u9069\u3057\u3066\u3044\u307e\u3059\uff09\u3002.<\/li>\n<\/ul>\n<p>Furthermore, the &#8220;pre-treatment&#8221; (degreasing, pickling, hole filling, grinding) before plating castings directly determines the plating quality and requires targeted treatment based on the substrate and plating type (e.g., activation before zinc plating for cast iron, zinc immersion before nickel plating for cast aluminum).<\/p>\n<p>&nbsp;<\/p>\n<blockquote>\n<h2>\u5be7\u6ce2\u6c34\u9032\u306b\u3064\u3044\u3066<\/h2>\n<\/blockquote>\n<p>Ningbo Suijin Machinery Technology Co., Ltd. is a professional manufacturer specializing in end-to-end casting solutions. With over a decade of experience in the industry, we focus on &#8220;customized R&amp;D + high-precision production + full material compatibility&#8221; to provide customers in the machinery manufacturing, aerospace, petrochemical, automotive parts, and precision instrument industries with one-stop customized services from product design optimization to finished product delivery.<\/p>","protected":false},"excerpt":{"rendered":"<p>In the surface treatment of casting metal parts, zinc, nickel, and chromium plating are three of the most commonly used electrochemical plating processes. The core differences lie in the plating characteristics, process principles, and applicable scenarios. Furthermore, the choice must be made in conjunction with the substrate characteristics of the casting (such as cast iron, cast steel, and cast aluminum). The following is a detailed comparison from the core dimensions: &nbsp; I. Core Definitions and Essential Differences in Plating The basic attributes (composition, structure, thickness) of the three types of plating are the root cause of subsequent performance differences. First, clarify the core differences: Coating Types: &nbsp; Core components: &nbsp; [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":530,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-529","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge"],"jetpack_featured_media_url":"https:\/\/sjnbcasting.com\/wp-content\/uploads\/2025\/11\/Differences-between-Zinc-Plating-in-the-Casting-Process.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/sjnbcasting.com\/ja\/wp-json\/wp\/v2\/posts\/529","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sjnbcasting.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sjnbcasting.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sjnbcasting.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sjnbcasting.com\/ja\/wp-json\/wp\/v2\/comments?post=529"}],"version-history":[{"count":6,"href":"https:\/\/sjnbcasting.com\/ja\/wp-json\/wp\/v2\/posts\/529\/revisions"}],"predecessor-version":[{"id":569,"href":"https:\/\/sjnbcasting.com\/ja\/wp-json\/wp\/v2\/posts\/529\/revisions\/569"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sjnbcasting.com\/ja\/wp-json\/wp\/v2\/media\/530"}],"wp:attachment":[{"href":"https:\/\/sjnbcasting.com\/ja\/wp-json\/wp\/v2\/media?parent=529"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sjnbcasting.com\/ja\/wp-json\/wp\/v2\/categories?post=529"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sjnbcasting.com\/ja\/wp-json\/wp\/v2\/tags?post=529"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}