{"id":15303,"date":"2025-03-06T16:04:41","date_gmt":"2025-03-06T08:04:41","guid":{"rendered":"https:\/\/www.sogaworks.com\/?p=15303"},"modified":"2025-05-08T18:14:39","modified_gmt":"2025-05-08T10:14:39","slug":"surface-roughness","status":"publish","type":"post","link":"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/","title":{"rendered":"\u8868\u9762\u7c97\u3055\uff1aRa\u57fa\u6e96\u3001\u6e2c\u5b9a\u65b9\u6cd5"},"content":{"rendered":"

\u8868\u9762\u7c97\u3055\uff08Ra\uff09\u3068\u306f\u3001\u6750\u6599\u8868\u9762\u306e\u5fae\u7d30\u306a\u5c71\u3068\u8c37\u3092\u30de\u30a4\u30af\u30ed\u30e1\u30fc\u30c8\u30eb\u5358\u4f4d\u3067\u8868\u3057\u305f\u3082\u306e\u3067\u3001\u6750\u6599\u8868\u9762\u306e\u5fae\u7d30\u306a\u51f9\u51f8\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u4e0d\u9069\u5207\u306a\u8868\u9762\u7c97\u3055\u306f\u3001\u65e9\u671f\u6545\u969c\u3084\u30d9\u30a2\u30ea\u30f3\u30b0\u30ea\u30f3\u30b0\u306e\u6e9d\u306e\u8010\u8377\u91cd\u6027\u306e\u4f4e\u4e0b\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u8868\u9762\u7c97\u3055\u306e\u57fa\u672c\u3001\u6e2c\u5b9a\u6280\u8853\u3001\u304a\u3088\u3073\u9078\u629e\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002 <\/p>\n\n\n\n

\u8868\u9762\u4ed5\u4e0a\u3052\u3068\u306f\uff1f<\/h2>\n\n\n\n

\u8868\u9762\u4ed5\u4e0a\u3052\u306f\u3001\u7c97\u3055\u3001\u30ec\u30a4\u3001\u3046\u306d\u308a\u306e3\u3064\u306e\u7570\u306a\u308b\u8981\u7d20\u304b\u3089\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u6a5f\u68b0\u5de5\u5834\u3067\u306f\u3001\u8868\u9762\u4ed5\u4e0a\u3052\u3068\u3044\u3046\u7528\u8a9e\u304c\u8868\u9762\u7c97\u3055\u3060\u3051\u3092\u8868\u3059\u305f\u3081\u306b\u4f7f\u308f\u308c\u308b\u3053\u3068\u306f\u73cd\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u3002 \u7c97\u3055\u306f\u3001\u8868\u9762\u4ed5\u4e0a\u3052\u306e\u6700\u3082\u4e00\u822c\u7684\u306b\u6307\u5b9a\u3055\u308c\u308b\u5074\u9762\u3067\u3059\u3002<\/p>\n\n\n\n

\"\u8868\u9762\u4ed5\u4e0a\u3052-\u3046\u306d\u308a-\u7c97\u3055\"<\/figure>\n\n\n\n

\u30ec\u30a4<\/strong><\/h3>\n\n\n\n

\u30ec\u30a4\u3068\u306f\u3001\u8868\u9762\u4e0a\u306e\u652f\u914d\u7684\u306a\u30d1\u30bf\u30fc\u30f3\u3068\u305d\u306e\u30d1\u30bf\u30fc\u30f3\u306e\u65b9\u5411\u3092\u8868\u3059\u7528\u8a9e\u3067\u3042\u308b\u3002 \u30ec\u30a4\u306f\u4e00\u822c\u306b\u88fd\u9020\u5de5\u7a0b\u3067\u751f\u3058\u308b\u3082\u306e\u3067\u3001\u5e73\u884c\u3001\u5782\u76f4\u3001\u5186\u5f62\u3001\u5341\u5b57\u5f62\u3001\u653e\u5c04\u72b6\u3001\u591a\u65b9\u5411\u3001\u7b49\u65b9\u6027\uff08\u975e\u65b9\u5411\u6027\uff09\u306a\u3069\u304c\u3042\u308b\u3002  <\/p>\n\n\n\n

\u30ec\u30a4\uff08Lay\uff09\u3068\u306f\u3001\u8868\u9762\u4e0a\u306e\u4e3b\u306a\u6a21\u69d8\u3068\u305d\u306e\u5411\u304d\u306e\u3053\u3068\u3002\u901a\u5e38\u3001\u88fd\u9020\u5de5\u7a0b\u306e\u526f\u7523\u7269\u3067\u3042\u308b\u3002\u30ec\u30a4\u306e\u7a2e\u985e\u306b\u306f\u3001\u5e73\u884c\u3001\u5782\u76f4\u3001\u5186\u5f62\u3001\u5341\u5b57\u5f62\u3001\u653e\u5c04\u72b6\u3001\u591a\u65b9\u5411\u3001\u307e\u305f\u306f\u7b49\u65b9\u6027\uff08\u512a\u5148\u65b9\u5411\u306a\u3057\uff09\u304c\u3042\u308b\u3002 <\/p>\n\n\n\n

\u3046\u306d\u308a<\/strong><\/h3>\n\n\n\n

\u3046\u306d\u308a\u3068\u306f\u3001\u6700\u3082\u9593\u9694\u306e\u5e83\u3044\u8868\u9762\u4ed5\u4e0a\u3052\u306e\u3070\u3089\u3064\u304d\u3092\u6307\u3059\u3002\u6700\u3082\u4e00\u822c\u5316\u3055\u308c\u305f\u65b9\u6cd5\u3067\u306f\u3001\u8868\u9762\u306e\u5468\u671f\u7684\u306a\u51f9\u51f8\u306f\u3001\u7c97\u3055\u306e\u6e2c\u5b9a\u306b\u4f7f\u7528\u3055\u308c\u308b\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u9577\u3088\u308a\u3082\u5927\u304d\u3044\u3002\u305d\u308c\u3067\u3082\u3001\u5e73\u5766\u5ea6\u306e\u6b20\u9665\u3067\u306a\u3044\u3088\u308a\u306f\u5c0f\u3055\u304f\u3001\u77ed\u304f\u3001\u898f\u5247\u7684\u3067\u3042\u308b\u3002\u8868\u9762\u306e\u3046\u306d\u308a\u306f\u3001\u52a0\u71b1\u30fb\u51b7\u5374\u6642\u306e\u53cd\u308a\u3084\u3001\u52a0\u5de5\u8aa4\u5dee\u306b\u3088\u3063\u3066\u767a\u751f\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3001\u5f53\u8a72\u8aa4\u5dee\u306f\u3073\u3073\u308a\u3084\u305f\u308f\u307f\u306e\u7d50\u679c\u3067\u3042\u308b\u3002 <\/p>\n\n\n\n

\u3046\u306d\u308a\u306e\u6e2c\u5b9a\u306b\u306f\u8a55\u4fa1\u9577\u3055\u304c\u4f7f\u7528\u3055\u308c\u3001\u3053\u306e\u9577\u3055\u3067\u3046\u306d\u308a\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u304c\u751f\u6210\u3055\u308c\u308b\u3002\u30a6\u30a7\u30fc\u30d3\u30cd\u30b9\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u3001\u8868\u9762\u306e\u7c97\u3055\u3001\u5e73\u5766\u3055\u3001\u5f62\u72b6\u306e\u3070\u3089\u3064\u304d\u306b\u3088\u308b\u51f9\u51f8\u306f\u542b\u307e\u308c\u306a\u3044\u3002\u6ce2\u306e\u30d4\u30fc\u30af\u9593\u306e\u8ddd\u96e2\u306f\u3046\u306d\u308a\u9593\u9694\uff08Wsm\uff09\u3068\u547c\u3070\u308c\u3001\u6ce2\u306e\u9ad8\u3055\u306f\u5e73\u5747\u3046\u306d\u308a\uff08Wa\uff09\u3084\u5168\u306d\u3058\u308c\uff08Wt\uff09\u306a\u3069\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u3088\u3063\u3066\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002\u3046\u306d\u308a\u306e\u4ed5\u69d8\u306f\u7c97\u3055\u306e\u4ed5\u69d8\u3088\u308a\u3082\u4e00\u822c\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30d9\u30a2\u30ea\u30f3\u30b0\u30ec\u30fc\u30b9\u3084\u30b7\u30fc\u30eb\u9762\u3067\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002 <\/p>\n\n\n\n

\u8868\u9762\u7c97\u3055<\/strong><\/h3>\n\n\n\n

\u8868\u9762\u7c97\u3055\u306f\u3001\u8868\u9762\u4e0a\u306e\u9593\u9694\u306e\u72ed\u3044\u5c71\u3068\u8c37\u3068\u3057\u3066\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u4f7f\u7528\u3055\u308c\u308b\u6750\u6599\u6761\u4ef6\u3068\u88fd\u9020\u5de5\u7a0b\u306e\u7d50\u679c\u3067\u3042\u308b\u3002<\/p>\n\n\n\n

\u8868\u9762\u7c97\u3055\u306e\u8a55\u4fa1\u57fa\u6e96<\/h2>\n\n\n\n

\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u9577<\/strong><\/h3>\n\n\n\n

\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u9577\u3055\u306f\u3001\u8868\u9762\u7c97\u3055\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u6240\u5b9a\u306e\u57fa\u6e96\u9577\u3055\u3067\u3042\u308b\u3002\u8868\u9762\u306e\u5b9f\u969b\u306e\u5f62\u6210\u3068\u30c6\u30af\u30b9\u30c1\u30e3\u7279\u6027\u306b\u57fa\u3065\u3044\u3066\u9078\u629e\u3055\u308c\u308b\u3079\u304d\u3067\u3042\u308b\u3002\u9078\u629e\u3055\u308c\u305f\u9577\u3055\u306f\u3001\u8868\u9762\u306e\u7c97\u3055\u306e\u7279\u5fb4\u3092\u6b63\u78ba\u306b\u8868\u3057\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u6e2c\u5b9a\u306e\u969b\u3001\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u9577\u3055\u306f\u8868\u9762\u306e\u5168\u4f53\u7684\u306a\u8f2a\u90ed\u65b9\u5411\u306b\u5f93\u3046\u3079\u304d\u3067\u3042\u308b\u3002\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u9577\u3092\u5b9a\u7fa9\u3057\u9078\u629e\u3059\u308b\u76ee\u7684\u306f\u3001\u3046\u306d\u308a\u3084\u5f62\u72b6\u8aa4\u5dee\u304c\u7c97\u3055\u6e2c\u5b9a\u7d50\u679c\u306b\u53ca\u307c\u3059\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u3067\u3042\u308b\u3002<\/p>\n\n\n\n

\u8a55\u4fa1\u671f\u9593<\/strong><\/h3>\n\n\n\n

\u8a55\u4fa1\u9577\u3055\u306f\u3001\u8868\u9762\u7c97\u3055\u306e\u8a55\u4fa1\u306b\u4f7f\u7528\u3055\u308c\u308b\u5168\u9577\u3067\u3042\u308b\u30021\u3064\u307e\u305f\u306f\u8907\u6570\u306e\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u9577\u304b\u3089\u69cb\u6210\u3055\u308c\u308b\u3002\u8868\u9762\u7c97\u3055\u306f\u90e8\u54c1\u306e\u3055\u307e\u3056\u307e\u306a\u9818\u57df\u3067\u5909\u5316\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u30011\u3064\u306e\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u9577\u3067\u306f\u305d\u306e\u7c97\u3055\u7279\u6027\u3092\u5b8c\u5168\u306b\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3088\u308a\u6b63\u78ba\u306a\u8a55\u4fa1\u3092\u5f97\u308b\u305f\u3081\u306b\u3001\u8907\u6570\u306e\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u9577\u3092\u63a1\u53d6\u3057\u307e\u3059\u3002\u901a\u5e38\u3001\u8a55\u4fa1\u9577\u306b\u306f5\u3064\u306e\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u9577\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30fb\u30e9\u30a4\u30f3<\/strong><\/h3>\n\n\n\n

\u57fa\u6e96\u7dda\u306f\u3001\u8868\u9762\u7c97\u3055\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6c7a\u5b9a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u3067\u3059\u30022\u3064\u306e\u30bf\u30a4\u30d7\u304c\u3042\u308b\uff1a<\/p>\n\n\n\n

    \n
  • \u6700\u5c0f\u4e8c\u4e57\u5e73\u5747\u7dda\uff1a\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u9577\u5185\u306e\u3059\u3079\u3066\u306e\u70b9\u306e\u4e8c\u4e57\u504f\u5dee\u306e\u548c\u3092\u6700\u5c0f\u5316\u3059\u308b\u5e7e\u4f55\u5b66\u7684\u306a\u7b49\u9ad8\u7dda\u3002\u8868\u9762\u5f62\u72b6\u306e\u7406\u60f3\u7684\u306a\u6570\u5b66\u7684\u8868\u73fe\u3092\u63d0\u4f9b\u3059\u308b\u3002<\/li>\n\n\n\n
  • \u7b97\u8853\u5e73\u5747\u7dda\uff1a\u3053\u306e\u7dda\u306f\u3001\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306e\u4e0a\u4e0b\u306e\u9818\u57df\u304c\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u9577\u5185\u3067\u7b49\u3057\u3044\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u3002<\/li>\n<\/ul>\n\n\n\n

    \u6700\u5c0f\u4e8c\u4e57\u5e73\u5747\u7dda\u306f\u7406\u60f3\u7684\u306a\u57fa\u6e96\u7dda\u3060\u304c\u3001\u5b9f\u969b\u306b\u306f\u9069\u7528\u304c\u96e3\u3057\u3044\u3002\u305d\u306e\u305f\u3081\u3001\u4ee3\u308f\u308a\u306b\u7b97\u8853\u5e73\u5747\u7dda\u304c\u3088\u304f\u4f7f\u308f\u308c\u308b\u3002\u6e2c\u5b9a\u4e2d\u306e\u8fd1\u4f3c\u7dda\u3068\u3057\u3066\u3001\u540c\u3058\u3088\u3046\u306a\u4f4d\u7f6e\u306e\u76f4\u7dda\u304c\u3088\u304f\u4f7f\u308f\u308c\u308b\u3002<\/p>\n\n\n\n

    \u8868\u9762\u7c97\u3055\u306e\u7528\u8a9e<\/h2>\n\n\n\n

    Ra - \u8a55\u4fa1\u9577\u306b\u308f\u305f\u308b\u3059\u3079\u3066\u306e\u5c71\u3068\u8c37\u306e\u6570\u5024\u5e73\u5747\u3002\u4e2d\u5fc3\u7dda\u5e73\u5747\uff08CLA\uff09\u3068\u3082\u547c\u3070\u308c\u308b\u3002<\/p>\n\n\n\n

    \"\u7c97\u3055\u7528\u8a9e_Ra\"<\/figure>\n\n\n\n

    Rz - \u9023\u7d9a\u3059\u308b\u6700\u9ad8\u5cf0\u3068\u6700\u4f4e\u8c37\u306e\u5e73\u5747\u3002\u6700\u3082\u9ad8\u3044\u30d4\u30fc\u30af\u3068\u6700\u3082\u4f4e\u3044\u8c37\u306e\u9593\u306e\u5782\u76f4\u8ddd\u96e2\u30012\u756a\u76ee\u306b\u9ad8\u3044\u30d4\u30fc\u30af\u30682\u756a\u76ee\u306b\u4f4e\u3044\u8c37\u306e\u9593\u306e\u8ddd\u96e2\u306a\u3069\u3002\u3053\u308c\u306f\u901a\u5e385\u3064\u306e\u6700\u3082\u5927\u304d\u306a\u504f\u5dee\u306b\u3064\u3044\u3066\u884c\u308f\u308c\u3001\u305d\u306e\u5f8c\u5e73\u5747\u304c\u8a08\u7b97\u3055\u308c\u308b\u3002 Ra\u306f\u3044\u304f\u3064\u304b\u306e\u6975\u7aef\u306a\u5024\u306b\u5bfe\u3057\u3066\u6bd4\u8f03\u7684\u920d\u611f\u306a\u306e\u3067\u3001\u8aa4\u5dee\u3092\u306a\u304f\u3059\u306e\u306b\u5f79\u7acb\u3064\u3002<\/p>\n\n\n\n

    \"\u7c97\u3055\u7528\u8a9e_Rz\"<\/figure>\n\n\n\n

    Rmax - \u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u9577\u5185\u3067\u8a08\u7b97\u3055\u308c\u305f\u3001\u6700\u3082\u9ad8\u3044\u30d4\u30fc\u30af\u3068\u6700\u3082\u4f4e\u3044\u8c37\u306e\u9593\u306e\u5782\u76f4\u8ddd\u96e2\u3002<\/p>\n\n\n\n

    Rp - \u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306e\u6700\u3082\u9ad8\u3044\u30d4\u30fc\u30af\u3068\u8a55\u4fa1\u9577\u5185\u306e\u5e73\u5747\u7dda\u3068\u306e\u8a08\u7b97\u8ddd\u96e2\u3002<\/p>\n\n\n\n

    Rv - \u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306e\u6700\u4f4e\u8c37\u3068\u8a55\u4fa1\u9577\u5185\u306e\u5e73\u5747\u7dda\u3068\u306e\u8a08\u7b97\u8ddd\u96e2\u3002<\/p>\n\n\n\n

    \u8868\u9762\u7c97\u3055\u63db\u7b97\u8868<\/h2>\n\n\n\n

    \u4e0b\u306e\u8868\u306f\u3001\u8868\u9762\u7c97\u3055\u6e2c\u5b9a\u306e\u305f\u3081\u306e\u696d\u754c\u6a19\u6e96\u5358\u4f4d\u9593\u306e\u5909\u63db\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30e1\u30fc\u30c8\u30eb\u6cd5\u3068\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u6cd5\u306e\u8868\u9762\u7c97\u3055Ra\u306a\u3069\u3001\u696d\u754c\u6a19\u6e96\u306e\u5358\u4f4d\u3092ISO\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u77e5\u3063\u3066\u304a\u304f\u3068\u3001\u8868\u9762\u4ed5\u4e0a\u3052\u3092\u3069\u306e\u3088\u3046\u306b\u3057\u305f\u3044\u304b\u306e\u53c2\u8003\u306b\u306a\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002 <\/p>\n\n\n\n

    \u30e9\uff08\u30a6\u30e0\uff09<\/td>Ra(\u03bcin)<\/td>RMS(\u03bcin)<\/td>Rz(\u03bcm)<\/td>N\u30b9\u30b1\u30fc\u30eb(ISO 1302)<\/td><\/tr>
    0.025<\/td>1<\/td>1.1<\/td>0.3<\/td>N1<\/td><\/tr>
    0.05<\/td>2<\/td>2.2<\/td>0.5<\/td>N2<\/td><\/tr>
    0.1<\/td>4<\/td>4.4<\/td>0.4<\/td>N3<\/td><\/tr>
    0.2<\/td>8<\/td>8.8<\/td>0.8<\/td>N4<\/td><\/tr>
    0.4<\/td>16<\/td>17.6<\/td>1.6<\/td>N5<\/td><\/tr>
    0.8<\/td>32<\/td>32.5<\/td>3.2<\/td>N6<\/td><\/tr>
    1.6<\/td>63<\/td>64.3<\/td>6.3<\/td>N7<\/td><\/tr>
    3.2<\/td>125<\/td>137.5<\/td>12.5<\/td>N8<\/td><\/tr>
    6.3<\/td>250<\/td>275<\/td>5<\/td>N9<\/td><\/tr>
    12.5<\/td>500<\/td>550<\/td>50<\/td>N10<\/td><\/tr>
    25<\/td>1000<\/td>1100<\/td>100<\/td>N11<\/td><\/tr>
    50<\/td>2000<\/td>2200<\/td>200<\/td>N12<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    \u8868\u9762\u7c97\u3055\u306e\u6e2c\u5b9a\u65b9\u6cd5<\/h2>\n\n\n\n

    \u8868\u9762\u7c97\u3055\u3092\u6e2c\u5b9a\u3059\u308b\u65b9\u6cd5\u306f\u3044\u304f\u3064\u304b\u3042\u308b\u304c\u3001\u4e00\u822c\u7684\u306b\u306f\u3001\u63a5\u89e6\u6e2c\u5b9a\u6cd5\u3001\u975e\u63a5\u89e6\u6e2c\u5b9a\u6cd5\u3001\u65e2\u77e5\u306e\u30b5\u30f3\u30d7\u30eb\u3068\u306e\u6bd4\u8f03\u6cd5\u3001\u5de5\u7a0b\u5185\u6e2c\u5b9a\u6cd5\u306e4\u7a2e\u985e\u306b\u5206\u3051\u3089\u308c\u308b\u3002<\/p>\n\n\n\n

    \u63a5\u89e6\u5f0f\u30b9\u30bf\u30a4\u30e9\u30b9\u30d7\u30ed\u30d5\u30a3\u30ed\u30e1\u30fc\u30bf<\/h3>\n\n\n\n

    \u63a5\u89e6\u5f0f\u6e2c\u5b9a\u306f\u6700\u3082\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u3067\u3059\u3002\u3053\u306e\u30c0\u30a4\u30e4\u30e2\u30f3\u30c9\u30b9\u30bf\u30a4\u30e9\u30b9\u306f\u3001\u5c71\u3084\u8c37\u306b\u3076\u3064\u304b\u308b\u3068\u4e0a\u4e0b\u306b\u52d5\u304d\u3001\u305d\u306e\u5909\u4f4d\u306f\u30c7\u30b8\u30bf\u30eb\u5024\u306b\u5909\u63db\u3055\u308c\u3001\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u30e1\u30fc\u30bf\u30fc\u306e\u753b\u9762\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u65b9\u6cd5\u3067\u306f\u3001\u6700\u592720mm\u307e\u3067\u6e2c\u5b9a\u3067\u304d\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u63a5\u89e6\u306b\u3088\u3063\u3066\u8868\u9762\u306e\u51f9\u51f8\u304c\u5909\u5316\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u67d4\u3089\u304b\u3044\u8868\u9762\u3084\u5909\u5f62\u3057\u3084\u3059\u3044\u8868\u9762\u306b\u306f\u4f7f\u7528\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n

    \"\u30d7\u30ed\u30d5\u30a3\u30aa\u30e1\u30fc\u30bf\u30fc\"<\/figure>\n\n\n\n

    \u975e\u63a5\u89e6\u65b9\u5f0f<\/h3>\n\n\n\n

    \u975e\u63a5\u89e6\u6e2c\u5b9a\u306f\u3001\u30ec\u30fc\u30b6\u30fc\u8d70\u67fb\u578b\u5171\u7126\u70b9\u9855\u5fae\u93e1\u3084\u30ec\u30fc\u30b6\u30fc\u4e09\u89d2\u6e2c\u91cf\u306e\u3088\u3046\u306b\u3001\u76f4\u63a5\u63a5\u89e6\u3057\u3066\u8868\u9762\u7c97\u3055\u3092\u6e2c\u5b9a\u3059\u308b\u305f\u3081\u306b\u5149\u5b66\u7684\u307e\u305f\u306f\u5149\u3092\u4f7f\u7528\u3059\u308b\u3002\u30d3\u30fc\u30e0\u3092\u8868\u9762\u306b\u6295\u5f71\u3057\u3001\u56de\u6298\u4fe1\u53f7\u3068\u53cd\u5c04\u4fe1\u53f7\u3092\u6e2c\u5b9a\u3059\u308b\u3002\u3053\u308c\u3089\u306e\u65b9\u6cd5\u306f\u3001\u8868\u9762\u306b\u975e\u63a5\u89e6\u3067\u3042\u308b\u305f\u3081\u3001\u67d4\u3089\u304b\u3044\u7d20\u6750\u3084\u8907\u96d1\u306a\u5f62\u72b6\u306b\u6700\u9069\u3067\u3042\u308b\u3002\u3057\u304b\u3057\u3001\u7cbe\u5ea6\u306f\u8868\u9762\u306e\u53cd\u5c04\u7387\u3084\u8272\u306b\u5f71\u97ff\u3055\u308c\u3084\u3059\u3044\u3002 <\/p>\n\n\n\n

    \u6bd4\u8f03\u65b9\u6cd5<\/h3>\n\n\n\n

    \u6bd4\u8f03\u6cd5\u3067\u306f\u3001\u7279\u5b9a\u306e\u30d7\u30ed\u30bb\u30b9\u3084\u88c5\u7f6e\u306b\u3088\u3063\u3066\u751f\u6210\u3055\u308c\u305f\u8868\u9762\u7c97\u3055\u30b5\u30f3\u30d7\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3002\u30e1\u30fc\u30ab\u30fc\u306f\u3001\u89e6\u899a\u3084\u8996\u899a\u306b\u3088\u3063\u3066\u30b5\u30f3\u30d7\u30eb\u3068\u8868\u9762\u3092\u6bd4\u8f03\u3059\u308b\u3053\u3068\u3067\u3001\u7c97\u3055\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8a55\u4fa1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n\n\n\n

    \u30a4\u30f3\u30d7\u30ed\u30bb\u30b9\u65b9\u5f0f<\/h3>\n\n\n\n

    \u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u306e\u3088\u3046\u306a\u30a4\u30f3\u30d7\u30ed\u30bb\u30b9\u6cd5\u3067\u306f\u3001\u78c1\u6027\u6750\u6599\u3068\u96fb\u78c1\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u4f7f\u7528\u3057\u3066\u8868\u9762\u7c97\u3055\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u6e2c\u5b9a\u3055\u308c\u305f\u30d1\u30e9\u30e1\u30c8\u30ea\u30c3\u30af\u5024\u306f\u3001\u6bd4\u8f03\u7c97\u3055\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u898b\u3064\u3051\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002 <\/p>\n\n\n\n

    \u9069\u5207\u306a\u8868\u9762\u7c97\u3055\u3092\u9078\u3076\u306b\u306f\uff1f<\/h2>\n\n\n\n

    \u7528\u9014\u306b\u3088\u3063\u3066\u306f\u3001\u8868\u9762\u7c97\u3055\u306f\u3042\u307e\u308a\u91cd\u8981\u3067\u306f\u306a\u3044\u304b\u3082\u3057\u308c\u306a\u3044\u3002\u3057\u304b\u3057\u3001\u4ed6\u306e\u3044\u304f\u3064\u304b\u306e\u5834\u9762\u3067\u306f\u91cd\u8981\u306a\u610f\u5473\u3092\u6301\u3061\u307e\u3059\u3002\u91cd\u8981\u306a\u7528\u9014\u3067\u306f\u3001\u8868\u9762\u7c97\u3055\u306f\u90e8\u54c1\u306e\u6a5f\u80fd\u6027\u3001\u6027\u80fd\u3001\u8010\u4e45\u6027\u3001\u5916\u89b3\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u307e\u305f\u3001\u52a0\u5de5\u6642\u9593\u3084\u30b3\u30b9\u30c8\u306b\u3082\u5f71\u97ff\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

    CNC\u52a0\u5de5\u306b\u304a\u3051\u308b\u8868\u9762\u7c97\u3055\u30ec\u30d9\u30eb\u306e\u8981\u4ef6\u306f\u3001\u7528\u9014\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u672c\u8cea\u7684\u306b\u826f\u3044\u8868\u9762\u7c97\u3055\u30ec\u30d9\u30eb\u3001\u60aa\u3044\u8868\u9762\u7c97\u3055\u30ec\u30d9\u30eb\u3068\u3044\u3046\u3082\u306e\u306f\u5b58\u5728\u305b\u305a\u3001\u7279\u5b9a\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3059\u304b\u3069\u3046\u304b\u3068\u3044\u3046\u3053\u3068\u306b\u96c6\u7d04\u3055\u308c\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u90e8\u54c1\u306b\u9069\u3057\u305fCNC\u52a0\u5de5\u306e\u8868\u9762\u7c97\u3055\u3092\u6c7a\u5b9a\u3059\u308b\u3053\u3068\u306f\u3001\u975e\u5e38\u306b\u91cd\u8981\u306a\u610f\u5473\u3092\u6301\u3061\u307e\u3059\u3002\u9078\u629e\u30d7\u30ed\u30bb\u30b9\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u8981\u7d20\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

    \u6a5f\u80fd\u3068\u76ee\u7684<\/strong><\/h3>\n\n\n\n

    \u9069\u5207\u306aCNC\u6a5f\u68b0\u52a0\u5de5\u306e\u8868\u9762\u7c97\u3055\u3092\u9078\u629e\u3059\u308b\u5834\u5408\u3001\u90e8\u54c1\u306e\u4f7f\u7528\u76ee\u7684\u304c\u6700\u3082\u91cd\u8981\u306a\u8003\u616e\u4e8b\u9805\u3067\u3059\u3002\u8868\u9762\u7c97\u3055\u306f\u3001\u90e8\u54c1\u306e\u7279\u6027\u3001\u4ed6\u306e\u90e8\u54c1\u3084\u4f5c\u696d\u74b0\u5883\u3068\u306e\u76f8\u4e92\u4f5c\u7528\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u6469\u64e6\u4fc2\u6570\u3001\u9a12\u97f3\u30ec\u30d9\u30eb\u3001\u8010\u6469\u8017\u6027\u3001\u5438\u53ce\u80fd\u529b\u3001\u5149\u5b66\u7279\u6027\u3001\u8010\u8377\u91cd\u6027\u3001\u8010\u4e45\u6027\u3001\u5c0e\u96fb\u6027\u3001\u6f64\u6ed1\u6027\u3001\u305d\u306e\u4ed6\u591a\u304f\u306e\u6a5f\u80fd\u3084\u7279\u6027\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u4e0b\u8868\u306f\u3001CNC\u52a0\u5de5\u90e8\u54c1\u306e\u3055\u307e\u3056\u307e\u306a\u6a5f\u80fd\u3001\u8868\u9762\u7c97\u3055\u304c\u3053\u308c\u3089\u306e\u6a5f\u80fd\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u3001\u304a\u3088\u3073\u305d\u308c\u306b\u5bfe\u5fdc\u3059\u308b\u63a8\u5968\u8868\u9762\u7c97\u3055\u30ec\u30d9\u30eb\u306e\u8a73\u7d30\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

    \u4e0b\u306e\u8868\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u88fd\u9020\u5de5\u7a0b\u306b\u304a\u3051\u308b\u4e00\u822c\u7684\u306a\u7c97\u3055\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

    \u30d7\u30ed\u30bb\u30b9<\/td>\u30b3\u30e2\u30f3\u30fb\u30e9\uff08\u30a6\u30e0\uff09<\/td><\/tr>
    \u7814\u78e8<\/td>0.2 - 1.6<\/td><\/tr>
    \u30db\u30fc\u30cb\u30f3\u30b0<\/td>0.1-0.8<\/td><\/tr>
    \u96fb\u89e3\u7814\u78e8<\/td>0.1-0.8<\/td><\/tr>
    \u7814\u78e8<\/td>0.1-0.4<\/td><\/tr>
    \u30e9\u30c3\u30d4\u30f3\u30b0<\/td>0.05-0.4<\/td><\/tr>
    \u30b9\u30fc\u30d1\u30fc\u30d5\u30a3\u30cb\u30c3\u30b7\u30f3\u30b0<\/td>0.025-0.2<\/td><\/tr>
    \u30df\u30fc\u30ea\u30f3\u30b0<\/td>0.8-6.3<\/td><\/tr>
    \u30bf\u30fc\u30cb\u30f3\u30b0<\/td>0.4-6.3<\/td><\/tr>
    \u6398\u524a<\/td>1.6-6.3<\/td><\/tr>
    \u30a4\u30fc\u30c7\u30a3\u30fc\u30a8\u30e0<\/td>1.6-3.2<\/td><\/tr>
    \u935b\u9020<\/td>3.2-12.5<\/td><\/tr>
    \u30ec\u30fc\u30b6\u30fc\u5207\u65ad<\/td>0.8-6.3<\/td><\/tr>
    \u62bc\u3057\u51fa\u3057<\/td>0.8-3.2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    \u30b3\u30b9\u30c8\u3068\u751f\u7523\u6642\u9593<\/strong><\/h3>\n\n\n\n

    CNC\u52a0\u5de5\u3067\u3088\u308a\u6ed1\u3089\u304b\u306a\u8868\u9762\u7c97\u3055\u3092\u5b9f\u73fe\u3059\u308b\u306b\u306f\u3001\u3088\u308a\u591a\u304f\u306e\u52a0\u5de5\u4f5c\u696d\u304c\u5fc5\u8981\u3068\u306a\u308b\u3002\u4f4e\u3044\u7c97\u3055\u5024\u3092\u5f97\u308b\u305f\u3081\u306b\u306f\u3001\u6a5f\u68b0\u901f\u5ea6\u3092\u9045\u304f\u3057\u3001\u9001\u308a\u3092\u7d30\u304b\u304f\u3057\u3001\u5207\u8fbc\u307f\u3092\u6d45\u304f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002Ra\u30ec\u30d9\u30eb\u304c0.4\u4ee5\u4e0b\u306e\u5834\u5408\u3001\u8ffd\u52a0\u306e\u7814\u78e8\u304c\u5fc5\u8981\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308b\u3002\u7cbe\u5bc6\u306a\u88fd\u9020\u5de5\u7a0b\u3068\u3053\u308c\u3089\u306e\u4f59\u5206\u306a\u5de5\u7a0b\u306f\u3001\u3088\u308a\u591a\u304f\u306e\u6642\u9593\u3068\u52b4\u529b\u3092\u8981\u3057\u3001\u3072\u3044\u3066\u306f\u88fd\u9020\u30b3\u30b9\u30c8\u3092\u62bc\u3057\u4e0a\u3052\u308b\u3002<\/p>\n\n\n\n

    \u30bd\u30ac\u30ef\u30fc\u30af\u30b9\u306b\u3064\u3044\u3066<\/h3>\n\n\n\n

    SogaWorks\u306f\u3001\u30ab\u30b9\u30bf\u30e0\u30e1\u30ab\u30cb\u30ab\u30eb\u30d1\u30fc\u30c4\u306e\u305f\u3081\u306e\u30aa\u30fc\u30eb\u30a4\u30f3\u30ef\u30f3\u30aa\u30f3\u30e9\u30a4\u30f3\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u3059\u3002CNC\u6a5f\u68b0\u52a0\u5de5\u30013D\u30d7\u30ea\u30f3\u30c8\u3001\u677f\u91d1\u52a0\u5de5\u3001\u30a6\u30ec\u30bf\u30f3\u92f3\u9020\u3001\u5c04\u51fa\u6210\u5f62\u306a\u3069\u306e\u30b5\u30fc\u30d3\u30b9\u3067\u3001\u30e9\u30d4\u30c3\u30c9\u30d7\u30ed\u30c8\u30bf\u30a4\u30d4\u30f3\u30b0\u3001\u5c11\u91cf\u30c6\u30b9\u30c8\u3001\u5927\u898f\u6a21\u751f\u7523\u306e\u305f\u3081\u306e\u67d4\u8edf\u306a\u88fd\u9020\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002AI\u3092\u6d3b\u7528\u3057\u305f\u898b\u7a4d\u3082\u308a\u30a8\u30f3\u30b8\u30f3\u306b\u3088\u308a\u3001SogaWorks\u306f5\u79d2\u3067\u898b\u7a4d\u3082\u308a\u3092\u63d0\u51fa\u3057\u3001\u6700\u9069\u306a\u30ad\u30e3\u30d1\u30b7\u30c6\u30a3\u3092\u30de\u30c3\u30c1\u30f3\u30b0\u3055\u305b\u3001\u3059\u3079\u3066\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u8ffd\u8de1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u7d0d\u671f\u304c\u77ed\u7e2e\u3055\u308c\u3001\u88fd\u54c1\u306e\u54c1\u8cea\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

    <\/p>","protected":false},"excerpt":{"rendered":"

    \u8868\u9762\u7c97\u3055\uff08Ra\uff09\u3068\u306f\u3001\u6750\u6599\u8868\u9762\u306e\u5fae\u5c0f\u306a\u5c71\u3068\u8c37\u3092\u30de\u30a4\u30af\u30ed\u30e1\u30fc\u30c8\u30eb\u5358\u4f4d\u3067\u8868\u3057\u305f\u3082\u306e\u3002<\/p>","protected":false},"author":1,"featured_media":15320,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[8,12],"tags":[],"class_list":["post-15303","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cnc-machining","category-surface-finishes"],"yoast_head":"\nSurface Roughness: Ra Standard, Measure Methods<\/title>\n<meta name=\"description\" content=\"Surface roughness (Ra) is the measure in micrometers of the microscopic peaks and valleys in the surfaces of materials.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Surface Roughness: Ra Standard, Measure Methods\" \/>\n<meta property=\"og:description\" content=\"Surface roughness (Ra) is the measure in micrometers of the microscopic peaks and valleys in the surfaces of materials.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/\" \/>\n<meta property=\"og:site_name\" content=\"SogaWorks\" \/>\n<meta property=\"article:published_time\" content=\"2025-03-06T08:04:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-08T10:14:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/03\/Surface-Roughness.png\" \/>\n\t<meta property=\"og:image:width\" content=\"960\" \/>\n\t<meta property=\"og:image:height\" content=\"540\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Chris Lee\" \/>\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=\"Chris Lee\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"8\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/\"},\"author\":{\"name\":\"Chris Lee\",\"@id\":\"https:\/\/www.sogaworks.com\/jp\/#\/schema\/person\/b5a08638c7128aae23b69cef3e6885c4\"},\"headline\":\"Surface Roughness: Ra Standard, Measure Methods\",\"datePublished\":\"2025-03-06T08:04:41+00:00\",\"dateModified\":\"2025-05-08T10:14:39+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/\"},\"wordCount\":1498,\"publisher\":{\"@id\":\"https:\/\/www.sogaworks.com\/jp\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/03\/Surface-Roughness.png\",\"articleSection\":[\"CNC machining\",\"Surface finishes\"],\"inLanguage\":\"ja\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/\",\"url\":\"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/\",\"name\":\"Surface Roughness: Ra Standard, Measure Methods\",\"isPartOf\":{\"@id\":\"https:\/\/www.sogaworks.com\/jp\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/03\/Surface-Roughness.png\",\"datePublished\":\"2025-03-06T08:04:41+00:00\",\"dateModified\":\"2025-05-08T10:14:39+00:00\",\"description\":\"Surface roughness (Ra) is the measure in micrometers of the microscopic peaks and valleys in the surfaces of materials.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/#primaryimage\",\"url\":\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/03\/Surface-Roughness.png\",\"contentUrl\":\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/03\/Surface-Roughness.png\",\"width\":960,\"height\":540,\"caption\":\"Surface Roughness\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.sogaworks.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"CNC machining\",\"item\":\"https:\/\/www.sogaworks.com\/jp\/category\/cnc-machining\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Surface Roughness: Ra Standard, Measure Methods\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.sogaworks.com\/jp\/#website\",\"url\":\"https:\/\/www.sogaworks.com\/jp\/\",\"name\":\"sogaworks.com\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.sogaworks.com\/jp\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.sogaworks.com\/jp\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.sogaworks.com\/jp\/#organization\",\"name\":\"SogaWorks\",\"alternateName\":\"SogaWorks\",\"url\":\"https:\/\/www.sogaworks.com\/jp\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.sogaworks.com\/jp\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2024\/04\/logo-en-combination.png\",\"contentUrl\":\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2024\/04\/logo-en-combination.png\",\"width\":1288,\"height\":256,\"caption\":\"SogaWorks\"},\"image\":{\"@id\":\"https:\/\/www.sogaworks.com\/jp\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.sogaworks.com\/jp\/#\/schema\/person\/b5a08638c7128aae23b69cef3e6885c4\",\"name\":\"Chris Lee\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.sogaworks.com\/jp\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/d9288cde137dd8ad17df9b97ba09e5d9b6efd51a5959ac69e98781d7fe4f4cf2?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/d9288cde137dd8ad17df9b97ba09e5d9b6efd51a5959ac69e98781d7fe4f4cf2?s=96&d=mm&r=g\",\"caption\":\"Chris Lee\"},\"sameAs\":[\"https:\/\/www.sogaworks.com\/\"],\"url\":\"https:\/\/www.sogaworks.com\/jp\/author\/wordpress\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Surface Roughness: Ra Standard, Measure Methods","description":"Surface roughness (Ra) is the measure in micrometers of the microscopic peaks and valleys in the surfaces of materials.","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:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/","og_locale":"ja_JP","og_type":"article","og_title":"Surface Roughness: Ra Standard, Measure Methods","og_description":"Surface roughness (Ra) is the measure in micrometers of the microscopic peaks and valleys in the surfaces of materials.","og_url":"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/","og_site_name":"SogaWorks","article_published_time":"2025-03-06T08:04:41+00:00","article_modified_time":"2025-05-08T10:14:39+00:00","og_image":[{"width":960,"height":540,"url":"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/03\/Surface-Roughness.png","type":"image\/png"}],"author":"Chris Lee","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"Chris Lee","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"8\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/#article","isPartOf":{"@id":"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/"},"author":{"name":"Chris Lee","@id":"https:\/\/www.sogaworks.com\/jp\/#\/schema\/person\/b5a08638c7128aae23b69cef3e6885c4"},"headline":"Surface Roughness: Ra Standard, Measure Methods","datePublished":"2025-03-06T08:04:41+00:00","dateModified":"2025-05-08T10:14:39+00:00","mainEntityOfPage":{"@id":"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/"},"wordCount":1498,"publisher":{"@id":"https:\/\/www.sogaworks.com\/jp\/#organization"},"image":{"@id":"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/#primaryimage"},"thumbnailUrl":"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/03\/Surface-Roughness.png","articleSection":["CNC machining","Surface finishes"],"inLanguage":"ja"},{"@type":"WebPage","@id":"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/","url":"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/","name":"Surface Roughness: Ra Standard, Measure Methods","isPartOf":{"@id":"https:\/\/www.sogaworks.com\/jp\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/#primaryimage"},"image":{"@id":"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/#primaryimage"},"thumbnailUrl":"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/03\/Surface-Roughness.png","datePublished":"2025-03-06T08:04:41+00:00","dateModified":"2025-05-08T10:14:39+00:00","description":"Surface roughness (Ra) is the measure in micrometers of the microscopic peaks and valleys in the surfaces of materials.","breadcrumb":{"@id":"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/#primaryimage","url":"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/03\/Surface-Roughness.png","contentUrl":"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/03\/Surface-Roughness.png","width":960,"height":540,"caption":"Surface Roughness"},{"@type":"BreadcrumbList","@id":"https:\/\/www.sogaworks.com\/jp\/blogs\/surface-roughness\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.sogaworks.com\/"},{"@type":"ListItem","position":2,"name":"CNC machining","item":"https:\/\/www.sogaworks.com\/jp\/category\/cnc-machining\/"},{"@type":"ListItem","position":3,"name":"Surface Roughness: Ra Standard, Measure Methods"}]},{"@type":"WebSite","@id":"https:\/\/www.sogaworks.com\/jp\/#website","url":"https:\/\/www.sogaworks.com\/jp\/","name":"sogaworks.com","description":"","publisher":{"@id":"https:\/\/www.sogaworks.com\/jp\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.sogaworks.com\/jp\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Organization","@id":"https:\/\/www.sogaworks.com\/jp\/#organization","name":"SogaWorks","alternateName":"SogaWorks","url":"https:\/\/www.sogaworks.com\/jp\/","logo":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.sogaworks.com\/jp\/#\/schema\/logo\/image\/","url":"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2024\/04\/logo-en-combination.png","contentUrl":"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2024\/04\/logo-en-combination.png","width":1288,"height":256,"caption":"SogaWorks"},"image":{"@id":"https:\/\/www.sogaworks.com\/jp\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.sogaworks.com\/jp\/#\/schema\/person\/b5a08638c7128aae23b69cef3e6885c4","name":"Chris Lee","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.sogaworks.com\/jp\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/d9288cde137dd8ad17df9b97ba09e5d9b6efd51a5959ac69e98781d7fe4f4cf2?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/d9288cde137dd8ad17df9b97ba09e5d9b6efd51a5959ac69e98781d7fe4f4cf2?s=96&d=mm&r=g","caption":"Chris Lee"},"sameAs":["https:\/\/www.sogaworks.com\/"],"url":"https:\/\/www.sogaworks.com\/jp\/author\/wordpress\/"}]}},"_links":{"self":[{"href":"https:\/\/www.sogaworks.com\/jp\/wp-json\/wp\/v2\/posts\/15303","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sogaworks.com\/jp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sogaworks.com\/jp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sogaworks.com\/jp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sogaworks.com\/jp\/wp-json\/wp\/v2\/comments?post=15303"}],"version-history":[{"count":0,"href":"https:\/\/www.sogaworks.com\/jp\/wp-json\/wp\/v2\/posts\/15303\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sogaworks.com\/jp\/wp-json\/wp\/v2\/media\/15320"}],"wp:attachment":[{"href":"https:\/\/www.sogaworks.com\/jp\/wp-json\/wp\/v2\/media?parent=15303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sogaworks.com\/jp\/wp-json\/wp\/v2\/categories?post=15303"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sogaworks.com\/jp\/wp-json\/wp\/v2\/tags?post=15303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}