{"id":4613,"date":"2026-04-27T08:36:01","date_gmt":"2026-04-27T08:36:01","guid":{"rendered":"https:\/\/hydrathpower.com\/?p=4613"},"modified":"2026-04-27T08:36:01","modified_gmt":"2026-04-27T08:36:01","slug":"%e6%b2%b9%e5%9c%a7%e3%82%b7%e3%83%aa%e3%83%b3%e3%83%80%e3%83%bc%e3%83%94%e3%82%b9%e3%83%88%e3%83%b3%e3%83%ad%e3%83%83%e3%83%89%e5%a4%89%e8%89%b2%e3%81%ae%e5%8e%9f%e5%9b%a0%e3%81%a8%e5%bd%b1%e9%9f%bf","status":"publish","type":"post","link":"https:\/\/hydrathpower.com\/ja\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\/","title":{"rendered":"\u6cb9\u5727\u30b7\u30ea\u30f3\u30c0\u30fc\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u306e\u5909\u8272\uff1a\u539f\u56e0\u3001\u5f71\u97ff\u3001\u4e88\u9632"},"content":{"rendered":"<h2>\u306f\u3058\u3081\u306b\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u306e\u5909\u8272\u3092\u7406\u89e3\u3059\u308b<\/h2>\n<p>\u6cb9\u5727\u30b7\u30ea\u30f3\u30c0\u30fc\u30fb\u30d4\u30b9\u30c8\u30f3\u30fb\u30ed\u30c3\u30c9\u306e\u5909\u8272\u3068\u306f\u3001\u30d4\u30b9\u30c8\u30f3\u30fb\u30ed\u30c3\u30c9\u306e\u4f5c\u52d5\u9762\u306b\u9752\u9ed2\u3044\u3001\u6df1\u3044\u9752\u8272\u3001\u307e\u305f\u306f\u9ed2\u8272\u306e\u5909\u8272\u304c\u73fe\u308c\u308b\u3053\u3068\u3092\u3044\u3046\u3002\u3053\u306e\u5909\u8272\u306f\u3001\u5747\u4e00\u306b\u5206\u5e03\u3057\u3066\u3044\u305f\u308a\u3001\u6591\u70b9\u72b6\u3067\u3042\u3063\u305f\u308a\u3001\u5e2f\u72b6\u3067\u3042\u3063\u305f\u308a\u3059\u308b\u3002\u3053\u306e\u73fe\u8c61\u306f\u901a\u5e38\u3001\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u304c\u30b7\u30fc\u30eb\u3068\u63a5\u89e6\u3059\u308b\u90e8\u5206\u3084\u3001\u4f38\u9577\u4e2d\u306b\u30b7\u30ea\u30f3\u30c0\u30fc\u306e\u5916\u90e8\u306b\u9732\u51fa\u3059\u308b\u90e8\u5206\u3067\u767a\u751f\u3059\u308b\u3002.<\/p>\n<p>\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u306f\u901a\u5e38\u3001\u70ad\u7d20\u69cb\u9020\u92fc\u307e\u305f\u306f\u5408\u91d1\u69cb\u9020\u92fc\u304b\u3089\u88fd\u9020\u3055\u308c\u3001\u8868\u9762\u306b\u30af\u30ed\u30e0\u3081\u3063\u304d\u304c\u65bd\u3055\u308c\u308b\u3002\u8272\u306e\u5909\u5316\u306f\u3001\u8868\u9762\u6e29\u5ea6\u306e\u4e0a\u6607\u306b\u3088\u3063\u3066\u91d1\u5c5e\u304c\u9178\u5316\u3057\u3001\u9178\u5316\u76ae\u819c\u304c\u5f62\u6210\u3055\u308c\u308b\u305f\u3081\u306b\u8d77\u3053\u308b\u3002\u7d04200\u2103\u3067\u306f\u6de1\u9ec4\u8272\u3001250\u2103\u304b\u3089280\u2103\u3067\u306f\u7d2b\u9752\u8272\u3001300\u2103\u4ee5\u4e0a\u3067\u306f\u6fc3\u3044\u9752\u8272\u304b\u3089\u9ed2\u8272\u306b\u306a\u308b\u3002.<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u306e\u5909\u8272\u306e\u76f4\u63a5\u7684\u306a\u539f\u56e0\u306f\u3001\u5c40\u6240\u7684\u307e\u305f\u306f\u5168\u4f53\u7684\u306a\u7570\u5e38\u306a\u6e29\u5ea6\u4e0a\u6607\u3067\u3042\u308b\u3002.<\/p>\n<h2>\u30bb\u30af\u30b7\u30e7\u30f31\uff1a\u5909\u8272\u306e\u539f\u56e0<\/h2>\n<h3>1.1 \u904e\u5ea6\u306e\u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u6cb9\u6e29<\/h3>\n<p>\u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u306e\u6cb9\u6e29\u304c\u901a\u5e38\u306e\u7bc4\u56f2\uff08\u901a\u5e3840\u2103\uff5e65\u2103\u3001\u6a5f\u5668\u306b\u3088\u3063\u3066\u306f80\u2103\u307e\u3067\u8a31\u5bb9\uff09\u3092\u8d85\u3048\u308b\u3068\u3001\u71b1\u304c\u30d4\u30b9\u30c8\u30f3\u3092\u4ecb\u3057\u3066\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u306b\u4f1d\u308f\u308a\u3001\u305d\u306e\u8868\u9762\u6e29\u5ea6\u304c\u4e0a\u6607\u3059\u308b\u3002\u904e\u5ea6\u306e\u6cb9\u6e29\u306e\u4e00\u822c\u7684\u306a\u539f\u56e0\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308b\uff1a<\/p>\n<ul>\n<li>\u30a8\u30cd\u30eb\u30ae\u30fc\u640d\u5931\u3092\u5897\u5927\u3055\u305b\u308b\u4e0d\u9069\u5207\u306a\u4f5c\u52d5\u6cb9\u7c98\u5ea6\u9078\u629e<\/li>\n<li>\u30bf\u30f3\u30af\u5bb9\u91cf\u4e0d\u8db3\u307e\u305f\u306f\u30e9\u30b8\u30a8\u30fc\u30bf\u30fc\u52b9\u7387\u306e\u4f4e\u4e0b<\/li>\n<li>\u9ad8\u5727\u529b\u3067\u306e\u9577\u6642\u9593\u9023\u7d9a\u904b\u8ee2<\/li>\n<li>\u30a8\u30cd\u30eb\u30ae\u30fc\u640d\u5931\u3092\u71b1\u306b\u5909\u63db\u3059\u308b\u6cb9\u5727\u90e8\u54c1\u306e\u6df1\u523b\u306a\u5185\u90e8\u6f0f\u308c<\/li>\n<li>\u51b7\u5374\u30d5\u30a1\u30f3\u306e\u6545\u969c\u3084\u6c34\u306e\u5faa\u74b0\u4e0d\u826f\u306a\u3069\u3001\u51b7\u5374\u30b7\u30b9\u30c6\u30e0\u306e\u4e0d\u5177\u5408<\/li>\n<\/ul>\n<h3>1.2 \u30b7\u30fc\u30eb\u3068\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u9593\u306e\u904e\u5ea6\u306e\u6469\u64e6<\/h3>\n<p>\u30b7\u30fc\u30eb\u3068\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u9593\u306e\u6469\u64e6\u306f\u71b1\u3092\u767a\u751f\u3055\u305b\u307e\u3059\u3002\u6469\u64e6\u304c\u7570\u5e38\u306b\u5897\u52a0\u3059\u308b\u3068\u3001\u5c40\u6240\u7684\u306a\u6e29\u5ea6\u304c\u4e0a\u6607\u3057\u3001\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u306e\u5909\u8272\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u539f\u56e0\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n<ul>\n<li>\u30b7\u30fc\u30eb\u304c\u304d\u3064\u304f\u53d6\u308a\u4ed8\u3051\u3089\u308c\u3066\u3044\u308b\u304b\u3001\u4e0d\u9069\u5207\u306a\u9078\u629e\u3067\u904e\u5ea6\u306e\u63a5\u89e6\u5727\u304c\u304b\u304b\u3063\u3066\u3044\u308b\u3002<\/li>\n<li>\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u306e\u8868\u9762\u4ed5\u4e0a\u3052\u304c\u4e0d\u5341\u5206\u3001\u307e\u305f\u306f\u30af\u30ed\u30e0\u30e1\u30c3\u30ad\u304c\u640d\u50b7\u3057\u3066\u6469\u64e6\u4fc2\u6570\u304c\u5897\u52a0\u3002<\/li>\n<li>\u6469\u8017\u3084\u6469\u64e6\u3092\u4fc3\u9032\u3059\u308b\u786c\u3044\u7c92\u5b50\u3092\u542b\u3080\u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u6c5a\u67d3\u7269\u8cea<\/li>\n<li>\u7d4c\u5e74\u52a3\u5316\u3057\u3066\u786c\u304f\u306a\u3063\u305f\u30b7\u30fc\u30eb\u306f\u3001\u5f3e\u529b\u6027\u304c\u4f4e\u4e0b\u3057\u3001\u6469\u64e6\u7279\u6027\u304c\u60aa\u5316\u3057\u3066\u3044\u308b\u3002<\/li>\n<li>\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u8868\u9762\u306e\u6cb9\u819c\u5f62\u6210\u4e0d\u826f\u306b\u3088\u308b\u6f64\u6ed1\u4e0d\u8db3<\/li>\n<\/ul>\n<h3>1.3 \u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u5727\u529b\u306e\u7570\u5e38<\/h3>\n<p>\u7570\u5e38\u306a\u5727\u529b\u5909\u52d5\u3084\u5c40\u6240\u7684\u306a\u5727\u529b\u30b9\u30d1\u30a4\u30af\u306f\u3001\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u306e\u6e29\u5ea6\u4e0a\u6607\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002\u4f5c\u52d5\u6cb9\u304c\u5727\u7e2e\u3055\u308c\u308b\u3068\u71b1\u304c\u767a\u751f\u3057\u3001\u9ad8\u5727\u306b\u306a\u308b\u3068\u30b7\u30fc\u30eb\u3068\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u306e\u63a5\u89e6\u5727\u304c\u4e0a\u6607\u3057\u3001\u6469\u64e6\u71b1\u304c\u4e0a\u6607\u3057\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u539f\u56e0\u306f\u4ee5\u4e0b\u306e\u901a\u308a\uff1a<\/p>\n<ul>\n<li>\u30ea\u30ea\u30fc\u30d5\u30d0\u30eb\u30d6\u3084\u6e1b\u5727\u5f01\u306a\u3069\u306e\u5727\u529b\u5236\u5fa1\u90e8\u54c1\u306e\u4e0d\u9069\u5207\u306a\u8abf\u6574\u307e\u305f\u306f\u6b20\u9665<\/li>\n<li>\u6025\u6fc0\u306a\u8ca0\u8377\u5909\u52d5\u306b\u3088\u308b\u5727\u529b\u3078\u306e\u5f71\u97ff<\/li>\n<li>\u5c40\u6240\u7684\u306a\u5727\u529b\u4e0a\u6607\u3092\u5f15\u304d\u8d77\u3053\u3059\u30aa\u30a4\u30eb\u56de\u8def\u306e\u30b9\u30ed\u30c3\u30c8\u30ea\u30f3\u30b0\u307e\u305f\u306f\u8a70\u307e\u308a<\/li>\n<\/ul>\n<h3>1.4 \u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u8868\u9762\u51e6\u7406\u306e\u54c1\u8cea\u554f\u984c<\/h3>\n<p>\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u8868\u9762\u306e\u30af\u30ed\u30e0\u3081\u3063\u304d\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u554f\u984c\u304c\u3042\u308b\u3068\u5909\u8272\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\uff1a<\/p>\n<ul>\n<li>\u30e1\u30c3\u30ad\u306e\u539a\u3055\u304c\u4e0d\u5747\u4e00\u307e\u305f\u306f\u4e0d\u5341\u5206\u3067\u3001\u65ad\u71b1\u304c\u4e0d\u5341\u5206\u306a\u5834\u5408<\/li>\n<li>\u30e1\u30c3\u30ad\u3068\u4e0b\u5730\u3068\u306e\u63a5\u7740\u304c\u4e0d\u5341\u5206\u3067\u3001\u5265\u96e2\u3057\u3084\u3059\u3044\u3002<\/li>\n<li>\u4fdd\u8b77\u6027\u80fd\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u3081\u3063\u304d\u306e\u9ad8\u3044\u6c17\u5b54\u7387<\/li>\n<li>\u6469\u64e6\u4fc2\u6570\u3092\u5897\u52a0\u3055\u305b\u308b\u4ed5\u69d8\u4ee5\u4e0b\u306e\u8868\u9762\u7c97\u3055<\/li>\n<\/ul>\n<h3>1.5 \u74b0\u5883\u8981\u56e0<\/h3>\n<p>\u88c5\u7f6e\u306e\u904b\u8ee2\u74b0\u5883\u306f\u3001\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u306e\u6e29\u5ea6\u306b\u5f71\u97ff\u3059\u308b\uff1a<\/p>\n<ul>\n<li>\u9ad8\u6e29\u74b0\u5883\uff1a\u5468\u56f2\u6e29\u5ea6\u306e\u4e0a\u6607\u306f\u653e\u71b1\u6761\u4ef6\u3092\u60aa\u5316\u3055\u305b\u308b<\/li>\n<li>\u8150\u98df\u74b0\u5883\uff1a\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u8868\u9762\u306e\u640d\u50b7\u3092\u4fc3\u9032\u3057\u3001\u6469\u64e6\u3092\u5897\u52a0\u3055\u305b\u308b\u3002<\/li>\n<li>\u904e\u9177\u306a\u7c89\u5875\u74b0\u5883\uff1a\u30b7\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306b\u4fb5\u5165\u3059\u308b\u6c5a\u67d3\u7269\u8cea \u52a0\u5267\u78e8\u635f<\/li>\n<\/ul>\n<h2>\u7b2c2\u7bc0 \u30b7\u30b9\u30c6\u30e0\u6027\u80fd\u3078\u306e\u5f71\u97ff<\/h2>\n<h3>2.1 \u52a0\u901f\u3059\u308b\u30b7\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u6545\u969c<\/h3>\n<p>\u5909\u8272\u3057\u305f\u90e8\u5206\u306f\u8868\u9762\u786c\u5ea6\u3068\u4ed5\u4e0a\u3052\u304c\u4f4e\u4e0b\u3057\u3001\u30b7\u30fc\u30eb\u3068\u306e\u9069\u5408\u6027\u304c\u60aa\u5316\u3059\u308b\u3002\u30b7\u30fc\u30eb\u306e\u6469\u8017\u3068\u8001\u5316\u304c\u52a0\u901f\u3057\u3001\u30b7\u30ea\u30f3\u30c0\u30fc\u5185\u90e8\u306e\u6f0f\u308c\u3092\u5897\u52a0\u3055\u305b\u3001\u3072\u3069\u3044\u5834\u5408\u306b\u306f\u5916\u90e8\u6f0f\u308c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002.<\/p>\n<h3>2.2 \u52a3\u5316\u3057\u305f\u30d4\u30b9\u30c8\u30f3\u30fb\u30ed\u30c3\u30c9\u8868\u9762\u7279\u6027<\/h3>\n<p>\u9ad8\u6e29\u306b\u306a\u308b\u3068\u3001\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u8868\u9762\u306e\u786c\u5ea6\u3068\u8010\u6469\u8017\u6027\u304c\u5909\u5316\u3057\u3001\u30af\u30ed\u30e0\u3081\u3063\u304d\u306e\u4fdd\u8b77\u80fd\u529b\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002\u5909\u8272\u3057\u305f\u90e8\u5206\u306f\u8010\u98df\u6027\u304c\u4f4e\u4e0b\u3057\u3001\u6e7f\u5ea6\u306e\u9ad8\u3044\u74b0\u5883\u3084\u8150\u98df\u6027\u306e\u74b0\u5883\u3067\u306f\u9306\u304c\u767a\u751f\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n<h3>2.3 \u30b7\u30b9\u30c6\u30e0\u52b9\u7387\u306e\u4f4e\u4e0b<\/h3>\n<p>\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u3068\u30b7\u30fc\u30eb\u9593\u306e\u6469\u64e6\u306e\u5897\u5927\u306f\u3001\u6cb9\u5727\u30b7\u30ea\u30f3\u30c0\u306e\u6a5f\u68b0\u52b9\u7387\u3092\u4f4e\u4e0b\u3055\u305b\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u640d\u5931\u3092\u5897\u5927\u3055\u305b\u308b\u3002\u5185\u90e8\u30ea\u30fc\u30af\u306e\u5897\u52a0\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u5bb9\u7a4d\u52b9\u7387\u3092\u4f4e\u4e0b\u3055\u305b\u3001\u88c5\u7f6e\u306e\u4f5c\u696d\u52b9\u7387\u3092\u4f4e\u4e0b\u3055\u305b\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u6d88\u8cbb\u3092\u5897\u52a0\u3055\u305b\u308b\u3002.<\/p>\n<h3>2.4 \u6a5f\u5668\u5bff\u547d\u306e\u77ed\u7e2e<\/h3>\n<p>\u7570\u5e38\u306a\u9ad8\u6e29\u306f\u4f5c\u52d5\u6cb9\u306e\u8001\u5316\u3092\u4fc3\u9032\u3057\u3001\u6f64\u6ed1\u6027\u80fd\u3068\u8010\u9178\u5316\u6027\u3092\u4f4e\u4e0b\u3055\u305b\u307e\u3059\u3002\u5909\u8272\u554f\u984c\u3092\u653e\u7f6e\u3059\u308b\u3068\u3001\u30b7\u30ea\u30f3\u30c0\u306e\u30b9\u30af\u30e9\u30c3\u30d7\u3084\u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u306e\u91cd\u5927\u306a\u6545\u969c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h2>\u7b2c3\u7bc0 \u4e88\u9632\u63aa\u7f6e<\/h2>\n<h3>3.1 \u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u6e29\u5ea6\u306e\u5236\u5fa1<\/h3>\n<ul>\n<li>\u30e9\u30b8\u30a8\u30fc\u30bf\u30fc\u3068\u51b7\u5374\u30d5\u30a1\u30f3\u304c\u9069\u5207\u306b\u6a5f\u80fd\u3059\u308b\u3088\u3046\u3001\u51b7\u5374\u30b7\u30b9\u30c6\u30e0\u3092\u5b9a\u671f\u7684\u306b\u70b9\u691c\u3059\u308b\u3002<\/li>\n<li>\u4f5c\u52d5\u6cb9\u306e\u6e29\u5ea6\u3092\u76e3\u8996\u3057\u3001\u7570\u5e38\u3092\u901f\u3084\u304b\u306b\u8abf\u67fb\u3059\u308b\u3002<\/li>\n<li>\u9069\u5207\u306a\u653e\u71b1\u9762\u7a4d\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u3001\u30bf\u30f3\u30af\u5bb9\u91cf\u3092\u9069\u5207\u306b\u8a2d\u8a08\u3059\u308b\u3002<\/li>\n<li>\u9069\u5207\u306a\u7c98\u5ea6\u306e\u4f5c\u52d5\u6cb9\u3092\u9078\u629e\u3057\u3001\u5b9a\u671f\u7684\u306b\u4ea4\u63db\u3059\u308b\u3002<\/li>\n<li>\u9ad8\u5727\u30fb\u9ad8\u8ca0\u8377\u3067\u306e\u9577\u6642\u9593\u9023\u7d9a\u904b\u8ee2\u306f\u907f\u3051\u308b\u3053\u3068<\/li>\n<\/ul>\n<h3>3.2 \u30b7\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u6700\u9069\u5316<\/h3>\n<ul>\n<li>\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u3068\u306e\u9069\u5207\u306a\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u9069\u683c\u306a\u30b7\u30fc\u30eb\u3092\u9078\u629e\u3059\u308b\u3002<\/li>\n<li>\u30b7\u30fc\u30eb\u306e\u53d6\u308a\u4ed8\u3051\u306f\u4ed5\u69d8\u306b\u5f93\u3044\u3001\u640d\u50b7\u3084\u4e0d\u9069\u5207\u306a\u53d6\u308a\u4ed8\u3051\u3092\u907f\u3051\u308b\u3053\u3068\u3002<\/li>\n<li>\u30b7\u30fc\u30eb\u306e\u72b6\u614b\u3092\u5b9a\u671f\u7684\u306b\u70b9\u691c\u3057\u3001\u53e4\u304f\u306a\u3063\u305f\u308a\u786c\u304f\u306a\u3063\u305f\u308a\u3057\u305f\u30b7\u30fc\u30eb\u306f\u901f\u3084\u304b\u306b\u4ea4\u63db\u3059\u308b\u3002<\/li>\n<li>\u91cd\u8981\u306a\u6a5f\u5668\u306b\u306f\u3001PTFE\u30ac\u30a4\u30c9\u30d0\u30f3\u30c9\u306a\u3069\u306e\u4f4e\u6469\u64e6\u30b7\u30fc\u30eb\u69cb\u9020\u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n<\/ul>\n<h3>3.3 \u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u306e\u6e05\u6d44\u5ea6\u306e\u7dad\u6301<\/h3>\n<ul>\n<li>\u4f5c\u52d5\u6cb9\u3068\u30d5\u30a3\u30eb\u30bf\u3092\u5b9a\u671f\u7684\u306b\u4ea4\u63db\u3059\u308b\u3002<\/li>\n<li>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u4e2d\u306e\u6c5a\u67d3\u7269\u8cea\u306e\u4fb5\u5165\u3092\u9632\u3050<\/li>\n<li>\u65b0\u3057\u304f\u8a2d\u7f6e\u3055\u308c\u305f\u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u306e\u5fb9\u5e95\u7684\u306a\u6d17\u6d44<\/li>\n<li>\u9ad8\u7cbe\u5ea6\u306e\u308d\u904e\u88c5\u7f6e\u3092\u4f7f\u7528\u3057\u3066\u3001\u30aa\u30a4\u30eb\u306e\u6c5a\u67d3\u30ec\u30d9\u30eb\u3092\u7ba1\u7406\u3059\u308b\u3002<\/li>\n<\/ul>\n<h3>3.4 \u30b7\u30b9\u30c6\u30e0\u306e\u9069\u5207\u306a\u8a2d\u8a08\u3068\u4f7f\u7528<\/h3>\n<ul>\n<li>\u8a2d\u8a08\u6bb5\u968e\u3067\u30d2\u30fc\u30c8\u30d0\u30e9\u30f3\u30b9\u3092\u8003\u616e\u3059\u308b<\/li>\n<li>\u983b\u7e41\u306a\u767a\u9032\u3001\u505c\u6b62\u3001\u53cd\u8ee2\u3092\u907f\u3051\u3001\u5727\u529b\u306b\u3088\u308b\u5f71\u97ff\u3092\u8efd\u6e1b\u3059\u308b\u3002<\/li>\n<li>\u8ca0\u8377\u5909\u52d5\u304c\u5927\u304d\u3044\u6a5f\u5668\u306b\u306f\u3001\u5727\u529b\u7de9\u885d\u88c5\u7f6e\u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n<li>\u9ad8\u6e29\u74b0\u5883\u3067\u4f7f\u7528\u3055\u308c\u308b\u6a5f\u5668\u306e\u7d76\u7e01\u5bfe\u7b56\u3092\u884c\u3046<\/li>\n<\/ul>\n<h3>3.5 \u30d4\u30b9\u30c8\u30f3\u30fb\u30ed\u30c3\u30c9\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9<\/h3>\n<ul>\n<li>\u5909\u8272\u3057\u3066\u3044\u308b\u304c\u640d\u50b7\u304c\u3072\u3069\u304f\u306a\u3044\u30d4\u30b9\u30c8\u30f3\u30fb\u30ed\u30c3\u30c9\u306b\u306f\u3001\u7814\u78e8\u3092\u4f7f\u3063\u3066\u8868\u9762\u306e\u9178\u5316\u819c\u3092\u9664\u53bb\u3059\u308b\u3002<\/li>\n<li>\u30af\u30ed\u30e0\u3081\u3063\u304d\u304c\u640d\u50b7\u3057\u305f\u5834\u5408\u3001\u518d\u3081\u3063\u304d\u307e\u305f\u306f\u305d\u306e\u4ed6\u306e\u8868\u9762\u4fee\u5fa9\u6280\u8853\u304c\u5fc5\u8981<\/li>\n<li>\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u306e\u8868\u9762\u72b6\u614b\u3092\u5b9a\u671f\u7684\u306b\u70b9\u691c\u3057\u3001\u50b7\u3084\u6469\u8017\u306b\u901f\u3084\u304b\u306b\u5bfe\u51e6\u3059\u308b\u3002<\/li>\n<li>\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u6642\u306b\u306f\u3001\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u3092\u30b7\u30ea\u30f3\u30c0\u30fc\u5185\u306b\u683c\u7d0d\u3057\u3001\u8150\u98df\u6027\u74b0\u5883\u306b\u3055\u3089\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2>\u30bb\u30af\u30b7\u30e7\u30f34\uff1a\u6280\u8853\u4ed5\u69d8<\/h2>\n<h3>\u5909\u8272\u306e\u6e29\u5ea6\u3057\u304d\u3044\u5024<\/h3>\n<table>\n<tbody>\n<tr>\n<th>\u6e29\u5ea6\u7bc4\u56f2<\/th>\n<th>\u9178\u5316\u819c\u306e\u8272<\/th>\n<th>\u30ea\u30b9\u30af\u30ec\u30d9\u30eb<\/th>\n<\/tr>\n<tr>\n<td>~200\u5ea6<\/td>\n<td>\u30e9\u30a4\u30c8\u30a4\u30a8\u30ed\u30fc<\/td>\n<td>\u4f4e\u3044<\/td>\n<\/tr>\n<tr>\n<td>250\u5ea6C\uff5e280\u5ea6C<\/td>\n<td>\u30d1\u30fc\u30d7\u30eb\u30fb\u30d6\u30eb\u30fc<\/td>\n<td>\u30df\u30c7\u30a3\u30a2\u30e0<\/td>\n<\/tr>\n<tr>\n<td>&gt;300\u5ea6\u4ee5\u4e0a<\/td>\n<td>\u30c7\u30a3\u30fc\u30d7\u30d6\u30eb\u30fc\u304b\u3089\u30d6\u30e9\u30c3\u30af<\/td>\n<td>\u9ad8\u3044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u901a\u5e38\u306e\u52d5\u4f5c\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc<\/h3>\n<table>\n<tbody>\n<tr>\n<th>\u30d1\u30e9\u30e1\u30fc\u30bf<\/th>\n<th>\u6a19\u6e96\u30ec\u30f3\u30b8<\/th>\n<\/tr>\n<tr>\n<td>\u6cb9\u6e29<\/td>\n<td>40\u5ea6\uff5e65\u5ea6\uff08\u6a5f\u5668\u306b\u3088\u3063\u3066\u306f\u6700\u592780\u5ea6\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u8868\u9762\u4ed5\u4e0a\u3052<\/td>\n<td>Ra 0.2 - 0.4 \u30de\u30a4\u30af\u30ed\u30e1\u30fc\u30c8\u30eb<\/td>\n<\/tr>\n<tr>\n<td>\u30af\u30ed\u30e0\u3081\u3063\u304d\u539a<\/td>\n<td>20\uff5e50\u30de\u30a4\u30af\u30ed\u30e1\u30fc\u30c8\u30eb<\/td>\n<\/tr>\n<tr>\n<td>\u30b7\u30fc\u30eb\u4ea4\u63db\u6642\u671f<\/td>\n<td>2,000\uff5e5,000\u6642\u9593<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<h3>\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u306e\u5909\u8272\u306e\u539f\u56e0\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u306e\u5909\u8272\u306f\u3001\u8868\u9762\u6e29\u5ea6\u306e\u4e0a\u6607\u306b\u3088\u308b\u91d1\u5c5e\u306e\u9178\u5316\u304c\u539f\u56e0\u3067\u3042\u308b\u3002\u4e3b\u306a\u539f\u56e0\u306f\u3001\u904e\u5ea6\u306e\u4f5c\u52d5\u6cb9\u6e29\u5ea6\u3001\u904e\u5ea6\u306e\u30b7\u30fc\u30eb\u6469\u64e6\u3001\u7570\u5e38\u306a\u30b7\u30b9\u30c6\u30e0\u5727\u529b\u3001\u8868\u9762\u51e6\u7406\u306e\u54c1\u8cea\u554f\u984c\u3001\u74b0\u5883\u8981\u56e0\u306a\u3069\u3067\u3042\u308b\u3002.<\/p>\n<h3>\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u306e\u5909\u8272\u306f\u6027\u80fd\u306b\u5f71\u97ff\u3057\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u306f\u3044\u3001\u5909\u8272\u306f\u8868\u9762\u6e29\u5ea6\u304c\u5b89\u5168\u9650\u5ea6\u3092\u8d85\u3048\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u30b7\u30fc\u30eb\u6027\u80fd\u3092\u4f4e\u4e0b\u3055\u305b\u3001\u30b7\u30b9 \u30c6\u30e0\u52b9\u7387\u3092\u4f4e\u4e0b\u3055\u305b\u3001\u90e8\u54c1\u306e\u6469\u8017\u3092\u65e9\u3081\u308b\u3002\u65e9\u6025\u306a\u8abf\u67fb\u3068\u662f\u6b63\u63aa\u7f6e\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n<h3>\u3069\u3046\u3059\u308c\u3070\u5909\u8272\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u4e3b\u306a\u4e88\u9632\u7b56\u306b\u306f\u3001\u4f5c\u52d5\u6cb9\u306e\u6e29\u5ea6\u7ba1\u7406\u3001\u30b7\u30fc\u30eb\u306e\u9078\u629e\u3068\u53d6\u308a\u4ed8\u3051\u306e\u6700\u9069\u5316\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u6e05\u6d44\u5ea6\u306e\u7dad\u6301\u3001\u30d2\u30fc\u30c8\u30d0\u30e9\u30f3\u30b9\u3092\u8003\u616e\u3057\u305f\u9069\u5207\u306a\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u3001\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u306e\u5b9a\u671f\u7684\u306a\u4fdd\u5b88\u70b9\u691c\u306a\u3069\u304c\u3042\u308b\u3002.<\/p>\n<h3>\u5909\u8272\u3092\u767a\u898b\u3057\u305f\u5834\u5408\u3001\u3069\u3046\u3059\u3079\u304d\u3067\u3057\u3087\u3046\u304b\uff1f<\/h3>\n<p>\u5909\u8272\u3092\u767a\u898b\u3057\u305f\u3089\u3001\u307e\u305a\u6cb9\u5727\u7cfb\u7d71\u306e\u6e29\u5ea6\u3068\u51b7\u5374\u7cfb\u7d71\u306e\u4f5c\u52d5\u3092\u70b9\u691c\u3059\u308b\u3002\u6b21\u306b\u30b7\u30fc\u30eb\u306e\u72b6\u614b\u304a\u3088\u3073\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u8868\u9762\u3092\u70b9\u691c\u3059\u308b\u3002\u3072\u3069\u3044\u5834\u5408\u306f\u904b\u8ee2\u3092\u505c\u6b62\u3057\u3066\u70b9\u691c\u3092\u884c\u3046\u3002\u8efd\u5ea6\u306e\u5909\u8272\u306f\u7814\u78e8\u3084\u8868\u9762\u51e6\u7406\u3067\u5bfe\u5fdc\u3067\u304d\u308b\u3002.<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u6cb9\u5727\u30b7\u30ea\u30f3\u30c0\u306e\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u306e\u5909\u8272\u306f\u3001\u7570\u5e38\u306a\u4f5c\u52d5\u6e29\u5ea6\u3092\u793a\u3059\u8b66\u544a\u4fe1\u53f7\u3067\u3042\u308b\u3002\u3053\u306e\u73fe\u8c61\u306e\u539f\u56e0\u3068\u5f71\u97ff\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u5b8c\u5168\u6027\u3092\u4fdd\u8b77\u3057\u3001\u6a5f\u5668\u306e\u5bff\u547d\u3092\u5ef6\u3070\u3059\u305f\u3081\u306e\u9069\u5207\u306a\u4e88\u9632\u63aa\u7f6e\u3092\u5b9f\u65bd\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n<p>\u4e3b\u306a\u8981\u70b9\uff1a\u6cb9\u6e29\u3092\u76e3\u8996\u3057\u3001\u4f5c\u52d5\u6cb9\u3092\u6e05\u6d44\u306b\u4fdd\u3061\u3001\u9069\u5207\u306a\u30b7\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3001\u5b9a\u671f\u70b9\u691c\u3092\u884c\u3046\u3002\u5909\u8272\u306b\u8fc5\u901f\u306b\u5bfe\u51e6\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u6df1\u523b\u306a\u30b7\u30b9\u30c6\u30e0\u306e\u6545\u969c\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction: Understanding Piston Rod Discoloration Hydraulic cylinder piston rod discoloration refers to the appearance of blue-black, deep blue, or black [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4614,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4613","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hydraulic Cylinder Piston Rod Discoloration: Causes, Effects, and Prevention - Hydrath Power<\/title>\n<meta name=\"description\" content=\"Discover why hydraulic cylinder piston rods turn black or blue. Learn the causes, effects on system performance, and proven prevention methods to extend cylinder life.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hydrathpower.com\/ja\/\u6cb9\u5727\u30b7\u30ea\u30f3\u30c0\u30fc\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u5909\u8272\u306e\u539f\u56e0\u3068\u5f71\u97ff\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hydraulic Cylinder Piston Rod Discoloration: Causes, Effects, and Prevention - Hydrath Power\" \/>\n<meta property=\"og:description\" content=\"Discover why hydraulic cylinder piston rods turn black or blue. Learn the causes, effects on system performance, and proven prevention methods to extend cylinder life.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hydrathpower.com\/ja\/\u6cb9\u5727\u30b7\u30ea\u30f3\u30c0\u30fc\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u5909\u8272\u306e\u539f\u56e0\u3068\u5f71\u97ff\/\" \/>\n<meta property=\"og:site_name\" content=\"Hydrath Power\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-27T08:36:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/04\/Hydraulic-Cylinder-Piston-Rod-Discoloration-Causes-Effects-and-Prevention.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1027\" \/>\n\t<meta property=\"og:image:height\" content=\"875\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"unohydrath\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"unohydrath\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"6\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\\\/\"},\"author\":{\"name\":\"unohydrath\",\"@id\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/#\\\/schema\\\/person\\\/6edfda07a2534b174472a872ae9be426\"},\"headline\":\"Hydraulic Cylinder Piston Rod Discoloration: Causes, Effects, and Prevention\",\"datePublished\":\"2026-04-27T08:36:01+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\\\/\"},\"wordCount\":1147,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/hydrathpower.com\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/Hydraulic-Cylinder-Piston-Rod-Discoloration-Causes-Effects-and-Prevention.jpg\",\"articleSection\":[\"Uncategorized\"],\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\\\/\",\"url\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\\\/\",\"name\":\"Hydraulic Cylinder Piston Rod Discoloration: Causes, Effects, and Prevention - Hydrath Power\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/hydrathpower.com\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/Hydraulic-Cylinder-Piston-Rod-Discoloration-Causes-Effects-and-Prevention.jpg\",\"datePublished\":\"2026-04-27T08:36:01+00:00\",\"description\":\"Discover why hydraulic cylinder piston rods turn black or blue. Learn the causes, effects on system performance, and proven prevention methods to extend cylinder life.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\\\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\\\/#primaryimage\",\"url\":\"https:\\\/\\\/hydrathpower.com\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/Hydraulic-Cylinder-Piston-Rod-Discoloration-Causes-Effects-and-Prevention.jpg\",\"contentUrl\":\"https:\\\/\\\/hydrathpower.com\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/Hydraulic-Cylinder-Piston-Rod-Discoloration-Causes-Effects-and-Prevention.jpg\",\"width\":1027,\"height\":875,\"caption\":\"Hydraulic Cylinder Piston Rod Discoloration Causes, Effects, and Prevention\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/hydrathpower.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Hydraulic Cylinder Piston Rod Discoloration: Causes, Effects, and Prevention\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/#website\",\"url\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/\",\"name\":\"Hydrath Power\",\"description\":\"Hydraulic Product Supplier\",\"publisher\":{\"@id\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/#organization\",\"name\":\"Hydrath Power\",\"url\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/hydrathpower.com\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/Untitled-design.png\",\"contentUrl\":\"https:\\\/\\\/hydrathpower.com\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/Untitled-design.png\",\"width\":350,\"height\":100,\"caption\":\"Hydrath Power\"},\"image\":{\"@id\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/#\\\/schema\\\/person\\\/6edfda07a2534b174472a872ae9be426\",\"name\":\"unohydrath\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/a4c3e4f5b9346c699aed8e727959ec03d0a34029a1e8ffb2bbe414d94ca01f6a?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/a4c3e4f5b9346c699aed8e727959ec03d0a34029a1e8ffb2bbe414d94ca01f6a?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/a4c3e4f5b9346c699aed8e727959ec03d0a34029a1e8ffb2bbe414d94ca01f6a?s=96&d=mm&r=g\",\"caption\":\"unohydrath\"},\"sameAs\":[\"https:\\\/\\\/hydrathpower.com\"],\"url\":\"https:\\\/\\\/hydrathpower.com\\\/ja\\\/author\\\/unohydrath\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u6cb9\u5727\u30b7\u30ea\u30f3\u30c0\u306e\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u306e\u5909\u8272\uff1a\u539f\u56e0\u3001\u52b9\u679c\u3001\u4e88\u9632 - Hydrath Power","description":"\u6cb9\u5727\u30b7\u30ea\u30f3\u30c0\u306e\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u304c\u9ed2\u304f\u306a\u3063\u305f\u308a\u9752\u304f\u306a\u3063\u305f\u308a\u3059\u308b\u7406\u7531\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002\u305d\u306e\u539f\u56e0\u3001\u30b7\u30b9\u30c6\u30e0\u6027\u80fd\u3078\u306e\u5f71\u97ff\u3001\u305d\u3057\u3066\u30b7\u30ea\u30f3\u30c0\u30fc\u5bff\u547d\u3092\u5ef6\u3070\u3059\u305f\u3081\u306e\u5b9f\u8a3c\u6e08\u307f\u306e\u4e88\u9632\u6cd5\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/hydrathpower.com\/ja\/\u6cb9\u5727\u30b7\u30ea\u30f3\u30c0\u30fc\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u5909\u8272\u306e\u539f\u56e0\u3068\u5f71\u97ff\/","og_locale":"ja_JP","og_type":"article","og_title":"Hydraulic Cylinder Piston Rod Discoloration: Causes, Effects, and Prevention - Hydrath Power","og_description":"Discover why hydraulic cylinder piston rods turn black or blue. Learn the causes, effects on system performance, and proven prevention methods to extend cylinder life.","og_url":"https:\/\/hydrathpower.com\/ja\/\u6cb9\u5727\u30b7\u30ea\u30f3\u30c0\u30fc\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u5909\u8272\u306e\u539f\u56e0\u3068\u5f71\u97ff\/","og_site_name":"Hydrath Power","article_published_time":"2026-04-27T08:36:01+00:00","og_image":[{"width":1027,"height":875,"url":"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/04\/Hydraulic-Cylinder-Piston-Rod-Discoloration-Causes-Effects-and-Prevention.jpg","type":"image\/jpeg"}],"author":"unohydrath","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"unohydrath","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"6\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/hydrathpower.com\/ja\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\/#article","isPartOf":{"@id":"https:\/\/hydrathpower.com\/ja\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\/"},"author":{"name":"unohydrath","@id":"https:\/\/hydrathpower.com\/ja\/#\/schema\/person\/6edfda07a2534b174472a872ae9be426"},"headline":"Hydraulic Cylinder Piston Rod Discoloration: Causes, Effects, and Prevention","datePublished":"2026-04-27T08:36:01+00:00","mainEntityOfPage":{"@id":"https:\/\/hydrathpower.com\/ja\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\/"},"wordCount":1147,"commentCount":0,"publisher":{"@id":"https:\/\/hydrathpower.com\/ja\/#organization"},"image":{"@id":"https:\/\/hydrathpower.com\/ja\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\/#primaryimage"},"thumbnailUrl":"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/04\/Hydraulic-Cylinder-Piston-Rod-Discoloration-Causes-Effects-and-Prevention.jpg","articleSection":["Uncategorized"],"inLanguage":"ja","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/hydrathpower.com\/ja\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/hydrathpower.com\/ja\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\/","url":"https:\/\/hydrathpower.com\/ja\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\/","name":"\u6cb9\u5727\u30b7\u30ea\u30f3\u30c0\u306e\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u306e\u5909\u8272\uff1a\u539f\u56e0\u3001\u52b9\u679c\u3001\u4e88\u9632 - Hydrath Power","isPartOf":{"@id":"https:\/\/hydrathpower.com\/ja\/#website"},"primaryImageOfPage":{"@id":"https:\/\/hydrathpower.com\/ja\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\/#primaryimage"},"image":{"@id":"https:\/\/hydrathpower.com\/ja\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\/#primaryimage"},"thumbnailUrl":"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/04\/Hydraulic-Cylinder-Piston-Rod-Discoloration-Causes-Effects-and-Prevention.jpg","datePublished":"2026-04-27T08:36:01+00:00","description":"\u6cb9\u5727\u30b7\u30ea\u30f3\u30c0\u306e\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u304c\u9ed2\u304f\u306a\u3063\u305f\u308a\u9752\u304f\u306a\u3063\u305f\u308a\u3059\u308b\u7406\u7531\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002\u305d\u306e\u539f\u56e0\u3001\u30b7\u30b9\u30c6\u30e0\u6027\u80fd\u3078\u306e\u5f71\u97ff\u3001\u305d\u3057\u3066\u30b7\u30ea\u30f3\u30c0\u30fc\u5bff\u547d\u3092\u5ef6\u3070\u3059\u305f\u3081\u306e\u5b9f\u8a3c\u6e08\u307f\u306e\u4e88\u9632\u6cd5\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002.","breadcrumb":{"@id":"https:\/\/hydrathpower.com\/ja\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/hydrathpower.com\/ja\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/hydrathpower.com\/ja\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\/#primaryimage","url":"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/04\/Hydraulic-Cylinder-Piston-Rod-Discoloration-Causes-Effects-and-Prevention.jpg","contentUrl":"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/04\/Hydraulic-Cylinder-Piston-Rod-Discoloration-Causes-Effects-and-Prevention.jpg","width":1027,"height":875,"caption":"Hydraulic Cylinder Piston Rod Discoloration Causes, Effects, and Prevention"},{"@type":"BreadcrumbList","@id":"https:\/\/hydrathpower.com\/ja\/hydraulic-cylinder-piston-rod-discoloration-causes-effects-and-prevention\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/hydrathpower.com\/"},{"@type":"ListItem","position":2,"name":"Hydraulic Cylinder Piston Rod Discoloration: Causes, Effects, and Prevention"}]},{"@type":"WebSite","@id":"https:\/\/hydrathpower.com\/ja\/#website","url":"https:\/\/hydrathpower.com\/ja\/","name":"\u30cf\u30a4\u30c9\u30e9\u30b9\u30fb\u30d1\u30ef\u30fc","description":"\u6cb9\u5727\u88fd\u54c1\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc","publisher":{"@id":"https:\/\/hydrathpower.com\/ja\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/hydrathpower.com\/ja\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Organization","@id":"https:\/\/hydrathpower.com\/ja\/#organization","name":"\u30cf\u30a4\u30c9\u30e9\u30b9\u30fb\u30d1\u30ef\u30fc","url":"https:\/\/hydrathpower.com\/ja\/","logo":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/hydrathpower.com\/ja\/#\/schema\/logo\/image\/","url":"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Untitled-design.png","contentUrl":"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Untitled-design.png","width":350,"height":100,"caption":"Hydrath Power"},"image":{"@id":"https:\/\/hydrathpower.com\/ja\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/hydrathpower.com\/ja\/#\/schema\/person\/6edfda07a2534b174472a872ae9be426","name":"\u30a6\u30ce\u30d2\u30c9\u30e9\u30b9","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/secure.gravatar.com\/avatar\/a4c3e4f5b9346c699aed8e727959ec03d0a34029a1e8ffb2bbe414d94ca01f6a?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/a4c3e4f5b9346c699aed8e727959ec03d0a34029a1e8ffb2bbe414d94ca01f6a?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/a4c3e4f5b9346c699aed8e727959ec03d0a34029a1e8ffb2bbe414d94ca01f6a?s=96&d=mm&r=g","caption":"unohydrath"},"sameAs":["https:\/\/hydrathpower.com"],"url":"https:\/\/hydrathpower.com\/ja\/author\/unohydrath\/"}]}},"_links":{"self":[{"href":"https:\/\/hydrathpower.com\/ja\/wp-json\/wp\/v2\/posts\/4613","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hydrathpower.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hydrathpower.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hydrathpower.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hydrathpower.com\/ja\/wp-json\/wp\/v2\/comments?post=4613"}],"version-history":[{"count":2,"href":"https:\/\/hydrathpower.com\/ja\/wp-json\/wp\/v2\/posts\/4613\/revisions"}],"predecessor-version":[{"id":4656,"href":"https:\/\/hydrathpower.com\/ja\/wp-json\/wp\/v2\/posts\/4613\/revisions\/4656"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hydrathpower.com\/ja\/wp-json\/wp\/v2\/media\/4614"}],"wp:attachment":[{"href":"https:\/\/hydrathpower.com\/ja\/wp-json\/wp\/v2\/media?parent=4613"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hydrathpower.com\/ja\/wp-json\/wp\/v2\/categories?post=4613"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hydrathpower.com\/ja\/wp-json\/wp\/v2\/tags?post=4613"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}