{"id":527,"date":"2025-07-01T01:58:49","date_gmt":"2025-07-01T01:58:49","guid":{"rendered":"https:\/\/www.coefficientfriction.com\/?p=527"},"modified":"2025-07-01T01:58:50","modified_gmt":"2025-07-01T01:58:50","slug":"how-to-measure-coefficient-of-friction","status":"publish","type":"post","link":"https:\/\/www.coefficientfriction.com\/ja\/how-to-measure-coefficient-of-friction","title":{"rendered":"\u6469\u64e6\u4fc2\u6570\u306e\u6e2c\u308a\u65b9\uff1a\u5b8c\u5168\u30ac\u30a4\u30c9"},"content":{"rendered":"<p>\u7279\u306b\u5305\u88c5\u3084\u88fd\u9020\u306b\u304a\u3044\u3066\u6750\u6599\u306e\u6027\u80fd\u3092\u6c7a\u5b9a\u3059\u308b\u5834\u5408\u3001\u6469\u64e6\u4fc2\u6570\u306e\u6e2c\u5b9a\u65b9\u6cd5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u306e\u6e2c\u5b9a\u306f\u3001\u6750\u6599\u306e\u7279\u6027\u3092\u8a55\u4fa1\u3057\u3001\u5305\u88c5\u5de5\u7a0b\u3092\u6700\u9069\u5316\u3057\u3001\u54c1\u8cea\u7ba1\u7406\u3092\u78ba\u5b9f\u306b\u3059\u308b\u305f\u3081\u306b\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001ASTM 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class=\"wp-block-heading\">\u6469\u64e6\u4fc2\u6570\u3092\u7406\u89e3\u3059\u308b<\/h2>\n\n\n\n<p>\u6469\u64e6\u4fc2\u6570\uff08COF\uff09\u306f\u3001\u3042\u308b\u6750\u6599\u304c\u4ed6\u306e\u6750\u6599\u306e\u4e0a\u3092\u6ed1\u308b\u3068\u304d\u306b\u751f\u3058\u308b\u62b5\u6297\u306e\u5c3a\u5ea6\u3067\u3042\u308b\u3002\u3053\u306e\u6e2c\u5b9a\u306f\u3001\u5305\u88c5\u3084\u751f\u7523\u74b0\u5883\u306b\u304a\u3051\u308b\u30d5\u30a3\u30eb\u30e0\u3001\u30b7\u30fc\u30c8\u3001\u305d\u306e\u4ed6\u306e\u6750\u6599\u306e\u6027\u80fd\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6469\u64e6\u306e\u6e2c\u5b9a\u306b\u306f\u4e3b\u306b2\u3064\u306e\u30bf\u30a4\u30d7\u304c\u3042\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9759\u6b62\u6469\u64e6\uff1a<\/strong> 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class=\"wp-block-heading\">\u306a\u305c\u6469\u64e6\u4fc2\u6570\u306e\u6e2c\u5b9a\u304c\u91cd\u8981\u306a\u306e\u304b\uff1f<\/h2>\n\n\n\n<p>\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u30d5\u30a3\u30eb\u30e0\u3001\u7e4a\u7dad\u88fd\u54c1\u3001\u63a5\u7740\u5264\u306a\u3069\u306e\u7d20\u6750\u3092\u6271\u3046\u696d\u754c\u306b\u3068\u3063\u3066\u3001\u6469\u64e6\u7279\u6027\u306f\u7d20\u6750\u306e\u52a0\u5de5\u3001\u53d6\u308a\u6271\u3044\u3001\u68b1\u5305\u306e\u3057\u3084\u3059\u3055\u3092\u6c7a\u5b9a\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u6469\u64e6\u304c\u5927\u304d\u3044\u3068\u6a5f\u68b0\u306e\u8a70\u307e\u308a\u3084\u30b8\u30e3\u30e0\u306b\u3064\u306a\u304c\u308a\u3001\u9006\u306b\u5c0f\u3055\u3059\u304e\u308b\u3068\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u304c\u60aa\u304f\u306a\u3063\u305f\u308a\u6ed1\u3063\u305f\u308a\u3057\u307e\u3059\u3002\u6469\u64e6\u306e\u6b63\u78ba\u306a\u6e2c\u5b9a\u306f\u3001\u751f\u7523\u5de5\u7a0b\u306e\u5fae\u8abf\u6574\u3001\u5b89\u5b9a\u3057\u305f\u88fd\u54c1\u54c1\u8cea\u306e\u78ba\u4fdd\u3001\u6a5f\u68b0\u8a2d\u5b9a\u306e\u6700\u9069\u5316\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6469\u64e6\u4fc2\u6570\u6e2c\u5b9a\u57fa\u6e96<\/h2>\n\n\n\n<p>COF\u691c\u67fb\u306e\u6b63\u78ba\u6027\u3068\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u3001\u5e83\u304f\u8a8d\u77e5\u3055\u308c\u3066\u3044\u308b2\u3064\u306e\u57fa\u6e96\u304c\u7528\u3044\u3089\u308c\u3066\u3044\u308b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/www.coefficientfriction.com\/ja\/astm-d1894\/\">ASTM D1894<\/a>:<\/strong> \u3053\u306e\u898f\u683c\u306f\u3001\u7279\u306b\u5305\u88c5\u7528\u9014\u306e\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u30d5\u30a3\u30eb\u30e0\u53ca\u3073\u30b7\u30fc\u30c8\u306e\u9759\u6469\u64e6\u4fc2\u6570\u53ca\u3073\u52d5\u6469\u64e6\u4fc2\u6570\u3092\u6e2c\u5b9a\u3059\u308b\u305f\u3081\u306e\u8a66\u9a13\u65b9\u6cd5\u3092\u898f\u5b9a\u3057\u3066\u3044\u308b\u3002\u3053\u306e\u8a66\u9a13\u306f\u3001\u4ed6\u306e\u8868\u9762\u3068\u306e\u76f8\u4e92\u4f5c\u7528\u306a\u3069\u3001\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u30d5\u30a3\u30eb\u30e0\u304c\u4f7f\u7528\u3055\u308c\u308b\u6761\u4ef6\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u3002<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.coefficientfriction.com\/ja\/iso-8295\/\">ISO 8295<\/a>:<\/strong> \u3053\u306e\u56fd\u969b\u898f\u683c\u306f\u3001\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u30d5\u30a3\u30eb\u30e0\u3068\u30b7\u30fc\u30c8\u306e\u6ed1\u308a\u51fa\u3057\u6469\u64e6\u4fc2\u6570\u3068\u6ed1\u308a\u6469\u64e6\u4fc2\u6570\u306e\u6e2c\u5b9a\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u3002ASTM D1894\u3068\u985e\u4f3c\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30b3\u30f3\u30c7\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u3068\u8a66\u9a13\u7247\u306e\u6e96\u5099\u306b\u95a2\u3059\u308b\u5177\u4f53\u7684\u306a\u8a73\u7d30\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u54c1\u8cea\u7ba1\u7406\u306b\u6700\u9069\u3067\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3069\u3061\u3089\u306e\u898f\u683c\u3082\u3001\u8a66\u9a13\u7247\u3092\u4e00\u69d8\u306a\u5727\u529b\u4e0b\u306b\u7f6e\u304d\u3001\u904b\u52d5\u3092\u958b\u59cb\u307e\u305f\u306f\u7dad\u6301\u3059\u308b\u306e\u306b\u5fc5\u8981\u306a\u529b\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8a66\u9a13\u306f\u3001\u6750\u6599\u7279\u6027\u3092\u5236\u5fa1\u3057\u3001\u88fd\u54c1\u6027\u80fd\u3092\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u306e\u4fe1\u983c\u3067\u304d\u308b\u30c7\u30fc\u30bf\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6469\u64e6\u8a66\u9a13\u6a5f\u306b\u3088\u308bCOF\u6e2c\u5b9a<\/h2>\n\n\n\n<p>\u6469\u64e6\u4fc2\u6570\u306e\u6e2c\u5b9a\u306b\u306f\u5c02\u7528\u306e\u88c5\u7f6e\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002A <strong>\u6469\u64e6\u8a66\u9a13\u6a5f<\/strong> \u306f\u30012\u3064\u306e\u8868\u9762\u9593\u306b\u4f5c\u7528\u3059\u308b\u529b\u3092\u6b63\u78ba\u306b\u6e2c\u5b9a\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6a5f\u68b0\u306f\u3001\u5727\u529b\u3001\u901f\u5ea6\u3001\u6e29\u5ea6\u306e\u5909\u5316\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u6750\u6599\u3084\u6761\u4ef6\u3092\u8a66\u9a13\u3059\u308b\u305f\u3081\u306b\u8abf\u6574\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<p><strong>\u6469\u64e6\u8a66\u9a13\u6a5f\u306e\u4fa1\u683c\uff1a<\/strong> 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class=\"wp-block-list\">\n<li>\u8868\u9762\u304c\u5747\u4e00\u306a\u8a66\u9a13\u7247\u30922\u3064\u7528\u610f\u3059\u308b\u3002ASTM\u307e\u305f\u306fISO\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5f93\u3044\u300123\u00b12\u2103\u3001\u76f8\u5bfe\u6e7f\u5ea650\u00b110%\u306e\u6761\u4ef6\u4e0b\u3067\u8abf\u6574\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u304c\u3042\u308b\u3002<\/li>\n\n\n\n<li>ASTM D1894\u306e\u5834\u5408\u3001\u8a66\u9a13\u7247\u306f\u901a\u5e38\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u30d5\u30a3\u30eb\u30e0\u307e\u305f\u306f\u30b7\u30fc\u30c8\u3067\u3059\u304c\u3001ISO 8295\u306e\u5834\u5408\u3001\u30d5\u30a3\u30eb\u30e0\u3068\u4ed6\u306e\u6750\u6599\u306e\u4e21\u65b9\u3092\u4e92\u3044\u306b\u8a66\u9a13\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u6469\u64e6\u30c6\u30b9\u30bf\u30fc\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\uff1a<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u6700\u521d\u306e\u8a66\u9a13\u7247\u3092\u5b89\u5b9a\u3057\u305f\u6c34\u5e73\u9762\u306b\u7f6e\u304f\u3002<\/li>\n\n\n\n<li>2\u3064\u76ee\u306e\u8a66\u9a13\u7247\u3092\u305d\u308a\u307e\u305f\u306f\u5225\u306e\u8a66\u9a13\u88c5\u7f6e\u306b\u53d6\u308a\u4ed8\u3051\u3001\u8868\u9762\u306b\u52a0\u308f\u308b\u529b\u304c\u4e00\u5b9a\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30c6\u30b9\u30c8\u306e\u5b9f\u65bd<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u305d\u308a\u307e\u305f\u306f\u7247\u65b9\u306e\u8a66\u9a13\u7247\u3092\u8868\u9762\u4e0a\u3067\u52d5\u304b\u3057\u3066\u8a66\u9a13\u3092\u958b\u59cb\u3059\u308b\u3002\u79fb\u52d5\u306e\u958b\u59cb\u3068\u7dad\u6301\u306b\u5fc5\u8981\u306a\u529b\u3092\u8a18\u9332\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u9759\u6b62\u6469\u64e6\u306e\u5834\u5408\u306f\u3001\u8a66\u6599\u304c\u6ed1\u308a\u59cb\u3081\u308b\u524d\u306e\u6700\u5927\u529b\u3092\u8a18\u9332\u3059\u308b\u3002\u52d5\u6469\u64e6\u306e\u5834\u5408\u306f\u3001\u8a66\u6599\u304c\u52d5\u304d\u51fa\u3057\u305f\u5f8c\u306e\u529b\u3092\u6e2c\u5b9a\u3059\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7d50\u679c\u306e\u89e3\u91c8<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u9759\u6b62\u6469\u64e6\u4fc2\u6570\uff08\u03bcs\uff09\u306f\u3001\u6cd5\u7dda\u529b\u306b\u5bfe\u3059\u308b\u6700\u5927\u529b\u306e\u6bd4\u3068\u3057\u3066\u8a08\u7b97\u3055\u308c\u308b\u3002<\/li>\n\n\n\n<li>\u52d5\u6469\u64e6\u4fc2\u6570\uff08\u03bcd\uff09\u306f\u3001\u904b\u52d5\u4e2d\u306e\u5e73\u5747\u529b\u304b\u3089\u5c0e\u304d\u51fa\u3055\u308c\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u6b63\u3057\u3044\u6469\u64e6\u30c6\u30b9\u30bf\u30fc\u306e\u9078\u629e<\/h2>\n\n\n\n<p>\u306b\u3064\u3044\u3066 <strong>\u30bb\u30eb\u30a4\u30f3\u30b9\u30c4\u30eb\u30e1\u30f3\u30c4 COF-01 \u6a2a\u578b<\/strong> \u6469\u64e6\u30c6\u30b9\u30bf\u30fc\u306f\u3001\u9759\u6469\u64e6\u4fc2\u6570\u3068\u52d5\u6469\u64e6\u4fc2\u6570\u306e\u4e21\u65b9\u3092\u6b63\u78ba\u306b\u6e2c\u5b9a\u3059\u308b\u305f\u3081\u306b\u975e\u5e38\u306b\u63a8\u5968\u3055\u308c\u308b\u30c4\u30fc\u30eb\u3067\u3059\u3002\u3053\u306e\u30e2\u30c7\u30eb\u306f\u3001\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u3001\u30d5\u30a3\u30eb\u30e0\u3001\u7e54\u7269\u306a\u3069\u69d8\u3005\u306a\u7d20\u6750\u306b\u5bfe\u3057\u3066\u3001\u8a66\u9a13\u6761\u4ef6\u3092\u6b63\u78ba\u306b\u5236\u5fa1\u3057\u3001\u518d\u73fe\u6027\u306e\u3042\u308b\u7d50\u679c\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u591a\u7528\u9014\u3067\u4f7f\u3044\u3084\u3059\u3044\u305f\u3081\u3001\u7cbe\u5bc6\u306a\u6469\u64e6\u6e2c\u5b9a\u3092\u5fc5\u8981\u3068\u3059\u308b\u7523\u696d\u306e\u54c1\u8cea\u7ba1\u7406\u3084\u7814\u7a76\u958b\u767a\u306b\u3068\u3063\u3066\u8cb4\u91cd\u306a\u8cc7\u7523\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d50\u8ad6<\/h2>\n\n\n\n<p>\u6469\u64e6\u4fc2\u6570\u306e\u6e2c\u5b9a\u306f\u3001\u6750\u6599\u306e\u7279\u6027\u3092\u7406\u89e3\u3057\u3001\u88fd\u9020\u3084\u5305\u88c5\u306b\u304a\u3051\u308b\u6700\u9069\u306a\u6027\u80fd\u3092\u78ba\u4fdd\u3059\u308b\u4e0a\u3067\u6975\u3081\u3066\u91cd\u8981\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002ASTM D1894\u306e\u3088\u3046\u306a\u898f\u683c\u306b\u6e96\u62e0\u3057 <a href=\"https:\/\/www.coefficientfriction.com\/ja\/iso-8295\/\">ISO 8295<\/a> \u306f\u3001\u8a66\u9a13\u304c\u7ba1\u7406\u3055\u308c\u305f\u6761\u4ef6\u4e0b\u3067\u5b9f\u65bd\u3055\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u3001\u4fe1\u983c\u3067\u304d\u308b\u7d50\u679c\u3092\u63d0\u4f9b\u3059\u308b\u3002\u306e\u3088\u3046\u306a\u9ad8\u54c1\u8cea\u306e\u6a5f\u5668\u306b\u6295\u8cc7\u3059\u308b\u3053\u3068\u3067 <strong>\u30bb\u30eb\u30a4\u30f3\u30b9\u30c4\u30eb\u30e1\u30f3\u30c4 COF-01<\/strong>\u4f01\u696d\u306f\u88fd\u54c1\u306e\u54c1\u8cea\u3092\u5411\u4e0a\u3055\u305b\u3001\u751f\u7523\u5de5\u7a0b\u3092\u5408\u7406\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<p>\u30d5\u30a3\u30eb\u30e0\u3001\u30b7\u30fc\u30c8\u3001\u63a5\u7740\u5264\u306a\u3069\u306e\u7d20\u6750\u3092\u6271\u3046\u3042\u3089\u3086\u308b\u30d3\u30b8\u30cd\u30b9\u306b\u304a\u3044\u3066\u3001\u6469\u64e6\u4fc2\u6570\u306e\u6e2c\u5b9a\u65b9\u6cd5\u3092\u77e5\u3063\u3066\u3044\u308c\u3070\u3001\u751f\u7523\u52b9\u7387\u3084\u54c1\u8cea\u4fdd\u8a3c\u306b\u304a\u3044\u3066\u7af6\u4e89\u529b\u3092\u767a\u63ee\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/cof-01.jpg\" alt=\"\" class=\"wp-image-528\" srcset=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/cof-01.jpg 1024w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/cof-01-300x300.jpg 300w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/cof-01-150x150.jpg 150w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/cof-01-768x768.jpg 768w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/cof-01-12x12.jpg 12w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"\u6469\u64e6\u4fc2\u6570\u8a66\u9a13\u30ac\u30a4\u30c9\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/wjEaNctP0KU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>","protected":false},"excerpt":{"rendered":"<p>When it comes to determining the performance of materials, especially in packaging and manufacturing, understanding how to measure the coefficient of friction is essential. This measurement is crucial for evaluating material properties, optimizing packaging processes, and ensuring quality control. In this article, we\u2019ll explore the methods and equipment involved in measuring the coefficient of friction, focusing on ASTM F1894 and ISO 8295 standards, and provide insights into how Cell Instruments&#8217; COF-01 Horizontal Friction Tester can enhance your testing accuracy. Understanding the Coefficient of Friction The coefficient of friction (COF) is a measure of the resistance encountered when one material slides over another. This measurement is critical for assessing the performance [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-527","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Measure Coefficient of Friction - Coefficient of Friction Tester<\/title>\n<meta name=\"description\" content=\"Measure coefficient of friction effectively. Discover static friction tests, friction tester machines, and pricing details.\" \/>\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.coefficientfriction.com\/ja\/how-to-measure-coefficient-of-friction\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Measure Coefficient of Friction - Coefficient of Friction Tester\" \/>\n<meta property=\"og:description\" content=\"Measure coefficient of friction effectively. 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