{"id":4568,"date":"2026-05-31T16:31:00","date_gmt":"2026-05-31T08:31:00","guid":{"rendered":"https:\/\/www.graphitecutting.com\/?p=4568"},"modified":"2026-10-08T13:00:25","modified_gmt":"2026-10-08T05:00:25","slug":"%e3%82%b0%e3%83%a9%e3%83%95%e3%82%a1%e3%82%a4%e3%83%88%e3%82%b9%e3%83%a9%e3%82%a4%e3%82%b9%e3%81%ae%e5%b9%b3%e5%9d%a6%e6%80%a7%e5%b9%b3%e8%a1%8c%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/www.graphitecutting.com\/ja\/graphite-slicing-flatness-parallelism\/","title":{"rendered":"\u30b0\u30e9\u30d5\u30a1\u30a4\u30c8\u30b9\u30e9\u30a4\u30b9\u306e\u5e73\u9762\u5ea6\u3068\u5e73\u884c\u5ea6\uff1a\u539a\u3055\u3068\u540c\u3058\u304f\u3089\u3044\u5e7e\u4f55\u5b66\u304c\u91cd\u8981\u306a\u7406\u7531"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u30b0\u30e9\u30d5\u30a1\u30a4\u30c8\u30d7\u30ec\u30fc\u30c8\u306f\u3001\u3042\u3089\u3086\u308b\u6e2c\u5b9a\u70b9\u3067\u76ee\u6a19\u539a\u30555.00 mm\u3092\u5b8c\u74a7\u306b\u9054\u6210\u3057\u3066\u3082\u3001\u4f7f\u7528\u4e0d\u80fd\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u306a\u305c\u3067\u3057\u3087\u3046\u304b\uff1f\u30d7\u30ec\u30fc\u30c8\u304c\u53cd\u308a\u3001\u30ab\u30c3\u30d7\u72b6\u3001\u307e\u305f\u306f\u304f\u3055\u3073\u5f62\u306e\u5834\u5408\u3001\u63a5\u5408\u9762\u306b\u5e73\u3089\u306b\u53ce\u307e\u308a\u307e\u305b\u3093\u3002\u4e0b\u6d41\u306e\u30a2\u30bb\u30f3\u30d6\u30ea\u304c\u5931\u6557\u3057\u3001\u71b1\u7684\u63a5\u89e6\u304c\u60aa\u5316\u3057\u3001\u30d7\u30ec\u30fc\u30c8\u306f\u5374\u4e0b\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b0\u30e9\u30d5\u30a1\u30a4\u30c8\u30b9\u30e9\u30a4\u30b9\u306e\u5e73\u5766\u5ea6\u3068\u5e73\u884c\u5ea6\u306f\u3001\u30b9\u30e9\u30a4\u30b9\u3055\u308c\u305f\u30d7\u30ec\u30fc\u30c8\u304c\u610f\u56f3\u3057\u305f\u7528\u9014\u3067\u5b9f\u969b\u306b\u6a5f\u80fd\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u6c7a\u5b9a\u3059\u308b\u5e7e\u4f55\u5b66\u7684\u54c1\u8cea\u6307\u6a19\u3067\u3059\u3002\u539a\u3055\u306f\u30d7\u30ec\u30fc\u30c8\u306e\u539a\u3055\u3092\u793a\u3057\u307e\u3059\u3002\u5e73\u5766\u5ea6\u306f\u3001\u8868\u9762\u304c\u5e73\u9762\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u793a\u3057\u307e\u3059\u3002\u5e73\u884c\u5ea6\u306f\u30012\u3064\u306e\u8868\u9762\u304c\u3059\u3079\u3066\u306e\u70b9\u3067\u7b49\u8ddd\u96e2\u306b\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u793a\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u8a18\u4e8b\u3067\u306f\u3001\u30b0\u30e9\u30d5\u30a1\u30a4\u30c8\u30b9\u30e9\u30a4\u30b9\u306b\u304a\u3051\u308b\u5e73\u5766\u5ea6\u3068\u5e73\u884c\u5ea6\u306e\u8aa4\u5dee\u306e\u539f\u56e0\u3001\u6e2c\u5b9a\u65b9\u6cd5\u3001\u304a\u3088\u3073\u5207\u65ad\u6bb5\u968e\u3067\u306e\u6700\u5c0f\u5316\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"413\" height=\"413\" src=\"https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2025\/05\/Graphite-cut-wire-saw2.webp\" alt=\"\u30b0\u30e9\u30d5\u30a1\u30a4\u30c8\u30ab\u30c3\u30c8\u30ef\u30a4\u30e4\u30fc\u30bd\u30fc\" class=\"wp-image-4186\" title=\"\u30b0\u30e9\u30d5\u30a1\u30a4\u30c8\u5207\u65ad\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\" srcset=\"https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2025\/05\/Graphite-cut-wire-saw2.webp 413w, https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2025\/05\/Graphite-cut-wire-saw2-300x300.webp 300w, https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2025\/05\/Graphite-cut-wire-saw2-150x150.webp 150w, https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2025\/05\/Graphite-cut-wire-saw2-12x12.webp 12w, https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2025\/05\/Graphite-cut-wire-saw2-100x100.webp 100w\" sizes=\"(max-width: 413px) 100vw, 413px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b0\u30e9\u30d5\u30a1\u30a4\u30c8\u30b9\u30e9\u30a4\u30b9\u306e\u5e73\u5766\u5ea6\u3068\u5e73\u884c\u5ea6\uff1a\u5b9a\u7fa9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u30892\u3064\u306e\u7528\u8a9e\u306f\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u7570\u306a\u308b\u3082\u306e\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5e73\u5766\u5ea6<\/strong> \u306f\u3001\u5358\u4e00\u306e\u8868\u9762\u304c\u5b8c\u5168\u306a\u5e73\u9762\u304b\u3089\u3069\u308c\u3060\u3051\u305a\u308c\u3066\u3044\u308b\u304b\u3092\u793a\u3057\u307e\u3059\u3002\u5e73\u5766\u5ea60.02 mm\u306f\u3001\u8868\u9762\u5168\u4f53\u304c2\u3064\u306e\u5e73\u884c\u306a\u5e73\u9762\u9593\u306e\u539a\u30550.02 mm\u306e\u30be\u30fc\u30f3\u5185\u306b\u53ce\u307e\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u30d7\u30ec\u30fc\u30c8\u306e\u7247\u9762\u304c\u3069\u308c\u3060\u3051\u300c\u6ce2\u6253\u3063\u3066\u3044\u308b\u300d\u307e\u305f\u306f\u300c\u53cd\u3063\u3066\u3044\u308b\u300d\u304b\u3092\u8aac\u660e\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5e73\u884c\u5ea6<\/strong> \u306f\u30012\u3064\u306e\u53cd\u5bfe\u5074\u306e\u8868\u9762\u9593\u306e\u305a\u308c\u3092\u793a\u3057\u307e\u3059\u3002\u5e73\u884c\u5ea60.05 mm\u306f\u3001\u30d7\u30ec\u30fc\u30c8\u4e0a\u306e\u4efb\u610f\u306e2\u70b9\u9593\u306e\u6700\u5927\u539a\u3055\u306e\u9055\u3044\u304c0.05 mm\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u30d7\u30ec\u30fc\u30c8\u304c\u3069\u308c\u3060\u3051\u300c\u304f\u3055\u3073\u5f62\u300d\u3067\u3042\u308b\u304b\u3092\u8aac\u660e\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30e1\u30fc\u30c8\u30eb<\/th><th>\u6e2c\u5b9a\u3059\u308b\u3082\u306e<\/th><th>\u4ed5\u69d8\u4f8b<\/th><th>\u5f71\u54cd<\/th><\/tr><\/thead><tbody><tr><td>\u5e73\u5766\u5ea6<\/td><td>\u5358\u4e00\u8868\u9762\u306e\u5e73\u9762\u5ea6<\/td><td>200 mm\u3042\u305f\u308a\u2264 0.03 mm<\/td><td>\u8868\u9762\u63a5\u89e6\u3001\u30b7\u30fc\u30ea\u30f3\u30b0<\/td><\/tr><tr><td>\u5e73\u884c\u5ea6<\/td><td>\u4e8c\u91cd\u8868\u9762\u306e\u7b49\u8ddd\u96e2<\/td><td>200 mm\u3042\u305f\u308a\u2264 0.05 mm<\/td><td>\u30b9\u30bf\u30c3\u30af\u5727\u7e2e\u3001\u71b1\u4f1d\u9054<\/td><\/tr><tr><td>TTV<\/td><td>\u5168\u539a\u3055\u5909\u52d5<\/td><td>\u2264 0.05 mm<\/td><td>\u5e73\u884c\u5ea6 + \u90e8\u5206\u7684\u306a\u5909\u52d5\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u3082\u306e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e73\u884c\u5ea6\u306e\u826f\u3044\u30d7\u30ec\u30fc\u30c8\u3067\u3082\u3001\u5e73\u9762\u5ea6\u304c\u60aa\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u4e21\u9762\u304c\u540c\u3058\u3088\u3046\u306b\u6e7e\u66f2\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u5404\u9762\u3067\u5e73\u9762\u5ea6\u304c\u826f\u3044\u30d7\u30ec\u30fc\u30c8\u3067\u3082\u3001\u4e00\u65b9\u306e\u9762\u304c\u3082\u3046\u4e00\u65b9\u306e\u9762\u306b\u5bfe\u3057\u3066\u308f\u305a\u304b\u306b\u50be\u3044\u3066\u5207\u65ad\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u5e73\u884c\u5ea6\u304c\u60aa\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5225\u30b0\u30e9\u30d5\u30a1\u30a4\u30c8\u30b9\u30e9\u30a4\u30b9\u306e\u5e73\u9762\u5ea6\u304c\u91cd\u8981\u306a\u7406\u7531<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u3063\u3066\u8a31\u5bb9\u8aa4\u5dee\u306e\u8981\u4ef6\u306f\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u71c3\u6599\u96fb\u6c60\u30d0\u30a4\u30dd\u30fc\u30e9\u30d7\u30ec\u30fc\u30c8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d0\u30a4\u30dd\u30fc\u30e9\u30d7\u30ec\u30fc\u30c8\u306f\u5727\u7e2e\u3057\u3066\u7a4d\u307f\u91cd\u306d\u3089\u308c\u307e\u3059\u3002\u30d7\u30ec\u30fc\u30c8\u304c\u5e73\u5766\u3067\u306a\u3044\u5834\u5408\u3001\u30ac\u30b9\u30b1\u30c3\u30c8\u306f\u5747\u4e00\u306b\u30b7\u30fc\u30eb\u3055\u308c\u307e\u305b\u3093\u3002\u5e73\u884c\u5ea6\u304c\u305a\u308c\u3066\u3044\u308b\u3068\u3001\u5727\u7e2e\u5727\u529b\u304c\u539a\u3044\u5074\u306b\u96c6\u4e2d\u3057\u3001\u30bb\u30eb\u5168\u4f53\u3067\u63a5\u89e6\u62b5\u6297\u304c\u4e0d\u5747\u4e00\u306b\u306a\u308a\u307e\u3059\u3002 <a href=\"https:\/\/www.energy.gov\/eere\/fuelcells\/fuel-cells\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">\u7c73\u56fd\u30a8\u30cd\u30eb\u30ae\u30fc\u7701<\/a>, \u306b\u3088\u308b\u3068\u3001\u30d0\u30a4\u30dd\u30fc\u30e9\u30d7\u30ec\u30fc\u30c8\u306f\u71c3\u6599\u96fb\u6c60\u30b9\u30bf\u30c3\u30af\u30b3\u30b9\u30c8\u306e\u304b\u306a\u308a\u306e\u90e8\u5206\u3092\u5360\u3081\u3066\u304a\u308a\u3001\u5e7e\u4f55\u5b66\u7684\u306a\u4e0d\u826f\u306f\u30ad\u30ed\u30ef\u30c3\u30c8\u3042\u305f\u308a\u306e\u88fd\u9020\u30b3\u30b9\u30c8\u3092\u76f4\u63a5\u5897\u52a0\u3055\u305b\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u7684\u306a\u8981\u4ef6\uff1a\u5e73\u9762\u5ea6 \u2264 0.03 mm\u3001\u5e73\u884c\u5ea6 \u2264 0.05 mm\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">EDM Electrode Blanks<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">EDM\u96fb\u6975\u306f\u3001\u30ef\u30fc\u30af\u30d4\u30fc\u30b9\u306b\u5bfe\u3057\u3066\u5782\u76f4\u306b\u53d6\u308a\u4ed8\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5e73\u5766\u3067\u306a\u3044\u96fb\u6975\u30d9\u30fc\u30b9\u306f\u3001\u96fb\u6975\u304c\u30db\u30eb\u30c0\u30fc\u5185\u3067\u89d2\u5ea6\u3092\u6301\u3063\u3066\u914d\u7f6e\u3055\u308c\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3001\u305d\u306e\u89d2\u5ea6\u8aa4\u5dee\u3092\u52a0\u5de5\u3055\u308c\u305f\u30ad\u30e3\u30d3\u30c6\u30a3\u306b\u4f1d\u9054\u3057\u307e\u3059\u3002\u7cbe\u5bc6\u91d1\u578b\u4f5c\u696d\u3067\u306f\u3001\u3053\u308c\u306f\u8a31\u5bb9\u3067\u304d\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u7684\u306a\u8981\u4ef6\uff1a\u5e73\u9762\u5ea6 \u2264 0.05 mm\u3001\u5e73\u884c\u5ea6 \u2264 0.08 mm\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u534a\u5c0e\u4f53\u30d7\u30ed\u30bb\u30b9\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Wafer chucks, susceptors, and heating elements transfer their surface geometry to the wafer or substrate. A non-flat chuck produces a non-flat wafer \u2014 the geometry propagates through the entire process. Leading semiconductor equipment manufacturers specify flatness requirements on graphite components in the range of 0.01\u20130.02 mm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Typical requirement: flatness \u2264 0.02 mm, parallelism \u2264 0.03 mm.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Causes Flatness Errors in Graphite Slicing<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Wire Bow During Cutting<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The most common cause of flatness problems. As the diamond wire cuts through the graphite block, cutting resistance pushes the wire backward (opposite to feed direction). The wire bows, and the cut surface is not a perfect plane \u2014 it\u2019s a slightly concave curve.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The degree of bow depends on:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9001\u308a\u901f\u5ea6<\/strong> \u2014 higher feed = more force = more bow<\/li>\n\n\n\n<li><strong>Wire tension<\/strong> \u2014 lower tension = more bow<\/li>\n\n\n\n<li><strong>Cut length<\/strong> \u2014 longer span = more potential deflection<\/li>\n\n\n\n<li><strong>\u30ef\u30a4\u30e4\u30fc\u5f84<\/strong> \u2014 thinner wire is more flexible and bows more easily<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A 300 mm long cut at aggressive feed rates can produce a surface with 0.05\u20130.1 mm of concavity in the center. The wire essentially sags in the middle of the cut, cutting deeper there.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Residual Stress Release<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Graphite blocks \u2014 especially extruded and molded grades \u2014 contain internal stress from the manufacturing process. When a slice is removed, the stress redistributes, and the plate can warp or bow after separation from the block.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Isostatic-pressed graphite has lower internal stress than extruded graphite, which is one reason it\u2019s preferred for precision applications. But even isostatic grades can exhibit measurable warpage in thin plates (&lt; 2 mm).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306f\u5207\u65ad\u5f8c\u306e\u73fe\u8c61\u3067\u3059\u3002\u30d7\u30ec\u30fc\u30c8\u306f\u5207\u65ad\u76f4\u5f8c\u306b\u306f\u6a5f\u68b0\u4e0a\u3067\u5e73\u3089\u306b\u6e2c\u5b9a\u3055\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u5fdc\u529b\u304c\u5747\u7b49\u5316\u3059\u308b\u306b\u3064\u308c\u3066\u6570\u6642\u9593\u4ee5\u5185\u306b\u53cd\u308a\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u5207\u65ad\u4e2d\u306e\u71b1\u52fe\u914d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ef\u30a4\u30e4\u30fc\u3068\u30b0\u30e9\u30d5\u30a1\u30a4\u30c8\u306e\u754c\u9762\u3067\u6469\u64e6\u306b\u3088\u308a\u71b1\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u51b7\u5374\u304c\u4e0d\u5747\u4e00\u306a\u5834\u5408\uff08\u4e00\u65b9\u306e\u5207\u65ad\u9762\u306b\u4ed6\u65b9\u3088\u308a\u3082\u591a\u304f\u306e\u30af\u30fc\u30e9\u30f3\u30c8\u304c\u5230\u9054\u3059\u308b\u5834\u5408\uff09\u3001\u30d6\u30ed\u30c3\u30af\u306f\u975e\u5bfe\u79f0\u306b\u81a8\u5f35\u3057\u307e\u3059\u3002\u30ef\u30a4\u30e4\u30fc\u306f\u71b1\u6b6a\u307f\u306b\u8ffd\u5f93\u3057\u3001\u9ad8\u6e29\u3067\u306f\u5e73\u3089\u3060\u304c\u5ba4\u6e29\u3067\u306f\u5e73\u3089\u3067\u306f\u306a\u3044\u8868\u9762\u3092\u5207\u65ad\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u52b9\u679c\u306f\u4ee5\u4e0b\u306e\u5834\u5408\u306b\u60aa\u5316\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9577\u3044\u5207\u65ad\uff08\u71b1\u304c\u84c4\u7a4d\u3059\u308b\u6642\u9593\u304c\u9577\u304f\u306a\u308b\uff09<\/li>\n\n\n\n<li>\u539a\u3044\u30d6\u30ed\u30c3\u30af\uff08\u30ef\u30a4\u30e4\u30fc\u306e\u63a5\u89e6\u6642\u9593\u304c\u9577\u3044 = \u7dcf\u71b1\u91cf\u304c\u591a\u3044\uff09<\/li>\n\n\n\n<li>\u30af\u30fc\u30e9\u30f3\u30c8\u306e\u6d41\u308c\u304c\u4e0d\u5341\u5206\u307e\u305f\u306f\u4e0d\u9069\u5207\u306b\u6307\u793a\u3055\u308c\u3066\u3044\u308b<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u6a5f\u68b0\u306e\u5e7e\u4f55\u5b66\u7684\u8aa4\u5dee<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ef\u30a4\u30e4\u30fc\u30bd\u30fc\u81ea\u4f53\u304c\u3001\u30ac\u30a4\u30c9\u30ed\u30fc\u30e9\u30fc\u3001\u30ef\u30fc\u30af\u30c6\u30fc\u30d6\u30eb\u3001\u307e\u305f\u306f\u8ef8\u306e\u914d\u7f6e\u304c\u305a\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u5e73\u9762\u5ea6\u306e\u8aa4\u5dee\u306b\u5bc4\u4e0e\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u3059\u3079\u3066\u306e\u30d7\u30ec\u30fc\u30c8\u306b\u4e00\u8cab\u3057\u3066\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u7cfb\u7d71\u7684\u306a\u8aa4\u5dee\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30ac\u30a4\u30c9\u30ed\u30fc\u30e9\u30fc\u306e\u305a\u308c<\/strong> \u2014 \u30ef\u30a4\u30e4\u30fc\u7d4c\u8def\u304c\u771f\u306e\u5e73\u9762\u3067\u306f\u306a\u304f\u3001\u306d\u3058\u308c\u305f\u5207\u65ad\u9762\u3092\u751f\u6210\u3057\u307e\u3059<\/li>\n\n\n\n<li><strong>\u30ef\u30fc\u30af\u30c6\u30fc\u30d6\u30eb\u306e\u5e73\u9762\u5ea6\u306e\u306a\u3055<\/strong> \u2014 \u30d6\u30ed\u30c3\u30af\u304c\u5e73\u9762\u3067\u306a\u3044\u8868\u9762\u306b\u7f6e\u304b\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u57fa\u6e96\u304c\u3059\u3067\u306b\u9593\u9055\u3063\u3066\u3044\u307e\u3059<\/li>\n\n\n\n<li><strong>\u8ef8\u306e\u5782\u76f4\u6027<\/strong> \u2014 \u9001\u308a\u8ef8\u304c\u30ef\u30a4\u30e4\u30fc\u5e73\u9762\u306b\u6b63\u78ba\u306b\u5782\u76f4\u3067\u306f\u306a\u3044<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a5f\u68b0\u306b\u95a2\u9023\u3059\u308b\u5e73\u9762\u5ea6\u306e\u8aa4\u5dee\u306f\u7e70\u308a\u8fd4\u3057\u53ef\u80fd\u3067\u3042\u308a\u3001\u540c\u3058\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u304b\u3089\u8907\u6570\u306e\u30d7\u30ec\u30fc\u30c8\u3092\u6e2c\u5b9a\u3059\u308b\u3053\u3068\u3067\u7279\u5b9a\u3067\u304d\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u30d7\u30ec\u30fc\u30c8\u304c\u540c\u3058\u5e73\u9762\u5ea6\u30d1\u30bf\u30fc\u30f3\u3092\u793a\u3059\u5834\u5408\uff08\u4f8b\uff1a\u3059\u3079\u3066\u5de6\u5074\u304c0.03 mm\u9ad8\u3044\uff09\u3001\u305d\u308c\u306f\u30d7\u30ed\u30bb\u30b9\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u554f\u984c\u3067\u306f\u306a\u304f\u3001\u6a5f\u68b0\u306e\u5e7e\u4f55\u5b66\u7684\u554f\u984c\u3067\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Causes Parallelism Errors in Graphite Slicing<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Parallelism errors come from different sources than flatness errors:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Progressive Wire Wear<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">As the diamond wire wears during a cut sequence, its effective diameter decreases and cutting efficiency drops. The first cut and the last cut on a block may produce slightly different kerf widths and different amounts of wire deflection. If both faces of a plate are not cut simultaneously (as in single-wire sawing), the two cuts happen at different points in the wire\u2019s life \u2014 producing surfaces at slightly different angles.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Block Tilt in Fixture<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If the graphite block is not mounted perfectly perpendicular to the wire plane, every cut produces a wedge-shaped plate. A tilt of just 0.01\u00b0 over a 200 mm plate length creates a parallelism error of about 0.035 mm \u2014 enough to fail most precision specifications.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Block fixturing is critical. Verify block perpendicularity to the wire plane before starting any cutting sequence.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Uneven Wire Tension<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If wire tension varies across the wire span \u2014 higher on one side, lower on the other \u2014 the wire deflects asymmetrically. The resulting cut surface tilts relative to the intended cutting plane, creating a wedge geometry.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This is particularly relevant on machines with long wire spans or where the guide rollers are not at equal height.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"400\" height=\"282\" src=\"https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2025\/04\/\u77f3\u58a8\u70ed\u573a-1.jpg\" alt=\"Graphite Heater Components cut wiresaw\" class=\"wp-image-3541\" title=\"\u30b0\u30e9\u30d5\u30a1\u30a4\u30c8\u5207\u65ad\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\" srcset=\"https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2025\/04\/\u77f3\u58a8\u70ed\u573a-1.jpg 400w, https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2025\/04\/\u77f3\u58a8\u70ed\u573a-1-300x212.jpg 300w, https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2025\/04\/\u77f3\u58a8\u70ed\u573a-1-18x12.jpg 18w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How to Minimize Graphite Slicing Flatness and Parallelism Errors<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Optimize Wire Tension and Feed Rate<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">These are the two most effective levers. Higher wire tension reduces bow and deflection. Lower feed rate reduces cutting force. The optimal combination depends on your specific requirements:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u512a\u5148\u9806\u4f4d<\/th><th>\u30ef\u30a4\u30e4\u30fc\u30c6\u30f3\u30b7\u30e7\u30f3<\/th><th>\u30d5\u30a3\u30fc\u30c9\u30fb\u30ec\u30fc\u30c8<\/th><th>Expected Flatness<\/th><\/tr><\/thead><tbody><tr><td>Maximum flatness<\/td><td>High (near wire limit)<\/td><td>Low (3\u20135 mm\/min)<\/td><td>\u2264 0.02 mm<\/td><\/tr><tr><td>Production balance<\/td><td>Medium-high<\/td><td>Medium (8\u201312 mm\/min)<\/td><td>0.03\u20130.05 mm<\/td><\/tr><tr><td>Maximum throughput<\/td><td>\u30df\u30c7\u30a3\u30a2\u30e0<\/td><td>High (15\u201325 mm\/min)<\/td><td>0.05\u20130.1 mm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">For fuel cell and semiconductor applications, accept the slower feed rate. The cost of grinding a non-flat plate far exceeds the cost of a longer cut time.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Use Servo-Controlled Tension Systems<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Manual tension adjustment cannot maintain consistent wire tension throughout a cut. Servo-controlled tension compensates for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Wire stretch during cutting<\/li>\n\n\n\n<li>Thermal expansion of the wire<\/li>\n\n\n\n<li>Spool diameter changes as wire feeds from one spool to the other<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u8cab\u3057\u305f\u5f35\u529b = \u4e00\u8cab\u3057\u305f\u30ef\u30a4\u30e4\u30fc\u305f\u308f\u307f = \u4e00\u8cab\u3057\u305f\u5e73\u5766\u6027\u3002\u3053\u308c\u306f\u3001\u30b0\u30e9\u30d5\u30a1\u30a4\u30c8\u30b9\u30e9\u30a4\u30b9\u306e\u539a\u3055\u5236\u5fa1\u3092\u6539\u5584\u3059\u308b\u306e\u3068\u540c\u3058\u539f\u7406\u3067\u3059\u3002\u3069\u3061\u3089\u306e\u6307\u6a19\u3082\u540c\u3058\u88c5\u7f6e\u80fd\u529b\u306e\u6069\u6075\u3092\u53d7\u3051\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ensure Uniform Coolant Distribution<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Direct coolant nozzles to deliver equal flow to both sides of the wire at the entry and exit of the cut. Uneven cooling creates thermal asymmetry that distorts the cut surface.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For large blocks (&gt; 200 mm cut length), consider multiple coolant nozzles positioned along the wire path, not just at the entry point. The coolant that enters at one end of the cut may not reach the middle at sufficient volume.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Verify Machine Geometry Regularly<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Flatness problems that are consistent across all plates usually point to machine alignment:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Check guide roller alignment quarterly<\/li>\n\n\n\n<li>Verify work table flatness with a precision straight edge<\/li>\n\n\n\n<li>Confirm feed axis perpendicularity to the wire plane<\/li>\n\n\n\n<li>Document the results \u2014 gradual drift is harder to detect than sudden failure<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Select Appropriate Graphite Grade<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">When flatness is critical, specify isostatic-pressed graphite with grain size &lt; 10 \u03bcm. These grades have lower internal stress, more uniform density, and better machinability than extruded or molded alternatives. <a href=\"https:\/\/www.entegris.com\/en\/home\/products\/specialty-materials\/specialty-graphite.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">POCO Graphite (Entegris)<\/a> and SGL Carbon both publish detailed grade specifications including internal stress data.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For thin plates (&lt; 2 mm) where post-cutting warpage is a risk, consider stress-relief annealing of the graphite block before slicing.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6e2c\u5b9a\u4f8b\uff1a500 mm \u30d0\u30fc\u306e\u5e73\u9762\u5ea6\u3068\u30c6\u30fc\u30d1\u30fc<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u8a18\u306e\u539f\u56e0\u306f\u3001\u5b9f\u969b\u306e\u6e2c\u5b9a\u5024\u3068\u6bd4\u8f03\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u5bb9\u6613\u306b\u8a55\u4fa1\u3067\u304d\u307e\u3059\u3002\u6700\u8fd1\u306e\u8a66\u9a13\u3067\u306f\u3001\u30b0\u30ec\u30fc\u30c9 2554 \u306e\u7b49\u65b9\u6027\u9ed2\u925b\u306e\u5927\u304d\u306a\u30d6\u30ed\u30c3\u30af\u304b\u3089\u3001Vimfun SVI250-80 \u3092\u4f7f\u7528\u3057\u3001\u7dda\u5f84 0.8 mm\u3001\u901f\u5ea6 50 m\/s\u3001\u5f35\u529b 160 N\u3001\u9001\u308a\u901f\u5ea6 42 mm\/min \u3067\u3001500 \u00d7 87 \u00d7 70 mm \u306e\u30d0\u30fc\u3092\u5207\u65ad\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u8584\u677f\u30b9\u30e9\u30a4\u30b9\u3067\u306f\u306a\u304f\u30d6\u30ed\u30c3\u30af\u306e\u5b9a\u5bf8\u30ab\u30c3\u30c8\u3067\u3057\u305f\u304c\u3001\u540c\u3058\u5e7e\u4f55\u5b66\u7684\u898f\u5247\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u6e2c\u5b9a\u5024<\/th><th>1<\/th><th>2<\/th><th>3<\/th><th>4<\/th><th>5<\/th><th>6<\/th><\/tr><\/thead><tbody><tr><td>500 mm \u306e\u7247\u9762\u306e\u5e73\u9762\u5ea6\uff08mm\uff09<\/td><td>0.01<\/td><td>0.02<\/td><td>0.02<\/td><td>0.03<\/td><td>0.02<\/td><td>0.02<\/td><\/tr><tr><td>\u9577\u3055\u65b9\u5411\u306e\u5e45\u3001\u516c\u79f0 87 mm<\/td><td>87.00<\/td><td>87.10<\/td><td>87.20<\/td><td>87.20<\/td><td>87.30<\/td><td>87.30<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5e73\u9762\u5ea6\u306f\u7dad\u6301\u3055\u308c\u307e\u3057\u305f\u3002.<\/strong> 500 mm \u306e\u30ab\u30c3\u30c8\u9762\u306e\u7247\u9762\u306b\u6cbf\u3063\u305f 6 \u3064\u306e\u30c0\u30a4\u30e4\u30eb\u30b2\u30fc\u30b8\u6e2c\u5b9a\u5024\u306f\u30010.01 mm \u304b\u3089 0.03 mm \u306e\u7bc4\u56f2\u3067\u3057\u305f\u3002\u4e2d\u7a0b\u5ea6\u306e\u9001\u308a\u901f\u5ea6\u3067\u306f\u3001\u30ef\u30a4\u30e4\u30fc\u306e\u305f\u308f\u307f\u306f\u3001\u524d\u8ff0\u306e\u51f9\u9762\u3092\u751f\u6210\u3057\u307e\u305b\u3093\u3067\u3057\u305f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5e73\u884c\u5ea6\u3082\u540c\u69d8\u3067\u3057\u305f\u3002.<\/strong> \u30d0\u30fc\u306e\u4e00\u7aef\u304b\u3089\u4ed6\u7aef\u306b\u304b\u3051\u3066\u3001\u5e45\u306f 87.00 mm \u304b\u3089 87.30 mm \u307e\u3067\u4e00\u69d8\u306b\u5897\u52a0\u3057\u30012 \u3064\u306e\u9762\u306e\u9593\u306b\u306f 0.30 mm \u306e\u5e73\u884c\u5ea6\u306e\u305a\u308c\u304c\u751f\u3058\u307e\u3057\u305f\u3002\u3053\u306e\u8a66\u9a13\u306f\u30ef\u30a4\u30e4\u30fc\u5f84\u88dc\u6b63\u3092\u30aa\u30d5\u306b\u3057\u3066\u5b9f\u884c\u3055\u308c\u3001\u305d\u306e\u7d50\u679c\u306f\u5b9f\u969b\u306e\u30ef\u30a4\u30e4\u30fc\u6469\u8017\u306b\u3088\u308b\u7247\u65b9\u5411\u306e\u30c9\u30ea\u30d5\u30c8\u3067\u3042\u308a\u3001\u30e9\u30f3\u30c0\u30e0\u306a\u3070\u3089\u3064\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089 2 \u3064\u306e\u7d50\u679c\u3092\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u8a18\u4e8b\u306e\u8981\u70b9\u304c\u793a\u3055\u308c\u307e\u3059\u3002\u30ab\u30c3\u30c8\u306f 100 \u5206\u306e\u6570 mm \u306e\u7cbe\u5ea6\u3067\u5e73\u5766\u3067\u3042\u3063\u3066\u3082\u3001\u30c6\u30fc\u30d1\u30fc\u304c\u304b\u304b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u306a\u305c\u306a\u3089\u3001\u3053\u308c\u3089 2 \u3064\u306e\u30a8\u30e9\u30fc\u306f\u539f\u56e0\u304c\u7570\u306a\u308a\u3001\u7570\u306a\u308b\u4fee\u6b63\u304c\u5fc5\u8981\u3060\u304b\u3089\u3067\u3059\u3002\u76f4\u89d2\u5ea6\u3068\u539a\u307f\u3092\u542b\u3080\u5b8c\u5168\u306a\u6e2c\u5b9a\u5024\u306f\u3001\u5f53\u793e\u306e <a href=\"https:\/\/www.graphitecutting.com\/ja\/%e7%ad%89%e6%96%b9%e6%80%a7%e9%bb%92%e9%89%9b%e3%83%96%e3%83%ad%e3%83%83%e3%82%af%e5%88%87%e6%96%ad\/\">\u7b49\u65b9\u6027\u9ed2\u925b\u30d6\u30ed\u30c3\u30af\u5207\u65ad<\/a> \u30c6\u30b9\u30c8\u30ec\u30dd\u30fc\u30c8\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Measuring Graphite Slicing Flatness and Parallelism<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Method<\/th><th>Measures<\/th><th>Resolution<\/th><th>\u6700\u9069<\/th><\/tr><\/thead><tbody><tr><td>Precision straight edge + feeler gauge<\/td><td>\u5e73\u5766\u5ea6<\/td><td>0.01 mm<\/td><td>Quick shop-floor check<\/td><\/tr><tr><td>Dial indicator on surface plate<\/td><td>Flatness + parallelism<\/td><td>0.001 mm<\/td><td>Production inspection<\/td><\/tr><tr><td>CMM (coordinate measuring machine)<\/td><td>Both + full surface map<\/td><td>0.001 mm<\/td><td>Incoming inspection, documentation<\/td><\/tr><tr><td>Optical profilometer<\/td><td>Flatness (high detail)<\/td><td>0.0001 mm<\/td><td>R&amp;D, process development<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">For production environments, a dial indicator on a granite surface plate is the most practical combination of speed and accuracy. Measure flatness by placing the plate face-down on the surface plate, running the indicator across the top surface, and recording the total indicator reading (TIR). Flip the plate and repeat for the other face. The difference between TIR readings gives an indication of parallelism.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Connecting Flatness to the Full Slicing Quality Chain<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Graphite slicing flatness and parallelism sit in the middle of the quality chain:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/www.graphitecutting.com\/ja\/graphite-slicing-process\/\" target=\"_blank\" rel=\"noreferrer noopener\">Slicing process<\/a><\/strong> parameters determine initial geometry<\/li>\n\n\n\n<li><strong>\u539a\u307f\u5236\u5fa1<\/strong> ensures the plate hits target thickness \u2014 but a plate with good TTV can still have poor flatness if the wire bowed consistently<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.graphitecutting.com\/ja\/graphite-slicing-defects\/\" target=\"_blank\" rel=\"noreferrer noopener\">Surface defects<\/a><\/strong> like edge chipping can reduce effective flatness at the plate boundary<\/li>\n\n\n\n<li><strong>Stress introduction<\/strong> during slicing can cause post-cutting warpage that ruins flatness after the plate leaves the machine<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">For a complete view of how these quality factors interconnect, see our <a href=\"https:\/\/www.graphitecutting.com\/ja\/%e7%b2%be%e5%af%86%e3%82%b0%e3%83%a9%e3%83%95%e3%82%a1%e3%82%a4%e3%83%88%e3%82%b9%e3%83%a9%e3%82%a4%e3%82%b9\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u7cbe\u5bc6\u30b0\u30e9\u30d5\u30a1\u30a4\u30c8\u30b9\u30e9\u30a4\u30b9<\/a> pillar guide.<\/p>","protected":false},"excerpt":{"rendered":"<p>A graphite plate can hit the target thickness perfectly \u2014 5.00 mm at every measurement point \u2014 and still be unusable. How? If the plate is bowed, cupped, or wedge-shaped, it won&#8217;t sit flat on a mating surface. Downstream assembly fails, thermal contact degrades, and the plate gets rejected. Graphite slicing flatness and parallelism are [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4385,"comment_status":"closed","ping_status":"closed","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":"","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":"","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":[372],"tags":[280],"class_list":["post-4568","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-equipment-selection-comparisons","tag-graphite-wire-saw"],"_links":{"self":[{"href":"https:\/\/www.graphitecutting.com\/ja\/wp-json\/wp\/v2\/posts\/4568","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.graphitecutting.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.graphitecutting.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.graphitecutting.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.graphitecutting.com\/ja\/wp-json\/wp\/v2\/comments?post=4568"}],"version-history":[{"count":4,"href":"https:\/\/www.graphitecutting.com\/ja\/wp-json\/wp\/v2\/posts\/4568\/revisions"}],"predecessor-version":[{"id":4859,"href":"https:\/\/www.graphitecutting.com\/ja\/wp-json\/wp\/v2\/posts\/4568\/revisions\/4859"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.graphitecutting.com\/ja\/wp-json\/wp\/v2\/media\/4385"}],"wp:attachment":[{"href":"https:\/\/www.graphitecutting.com\/ja\/wp-json\/wp\/v2\/media?parent=4568"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.graphitecutting.com\/ja\/wp-json\/wp\/v2\/categories?post=4568"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.graphitecutting.com\/ja\/wp-json\/wp\/v2\/tags?post=4568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}