{"id":3762,"date":"2026-11-10T16:08:46","date_gmt":"2026-11-10T08:08:46","guid":{"rendered":"https:\/\/www.jccncmachining.com\/?p=3762"},"modified":"2026-11-10T10:54:43","modified_gmt":"2026-11-10T02:54:43","slug":"%e7%9c%9f%e5%86%86%e5%ba%a6%e3%81%a8%e5%86%86%e7%ad%92%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/www.jccncmachining.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e7%9c%9f%e5%86%86%e5%ba%a6%e3%81%a8%e5%86%86%e7%ad%92%e5%ba%a6\/","title":{"rendered":"\u30b7\u30e3\u30d5\u30c8\u307e\u305f\u306f\u30dc\u30a2\u306e\u771f\u5186\u5ea6\u307e\u305f\u306f\u5186\u7b52\u5ea6\u306e\u3069\u3061\u3089\u3092\u9078\u3076\u3079\u304d\u304b\uff1f"},"content":{"rendered":"<p>\u771f\u5186\u5ea6\u306f\u500b\u3005\u306e\u5186\u5f62\u65ad\u9762\u306e\u5f62\u72b6\u3092\u7ba1\u7406\u3057\u307e\u3059\u3002\u5186\u7b52\u5ea6\u306f\u5186\u7b52\u9762\u5168\u4f53\u306e\u5f62\u72b6\u3092\u7ba1\u7406\u3057\u307e\u3059\u3002\u3069\u3061\u3089\u3092\u9078\u3076\u304b\u306f\u3001\u5404\u90e8\u306e\u65ad\u9762\u3067\u8a31\u5bb9\u3067\u304d\u308b\u771f\u5186\u5ea6\u304c\u5fc5\u8981\u306a\u306e\u304b\u3001\u7ba1\u7406\u3055\u308c\u305f\u9577\u3055\u306b\u6cbf\u3063\u3066\u4e00\u8cab\u3057\u305f\u5186\u7b52\u5f62\u72b6\u304c\u5fc5\u8981\u306a\u306e\u304b\u3092\u554f\u3046\u3053\u3068\u3067\u6c7a\u307e\u308a\u307e\u3059\u3002\u30b7\u30e3\u30d5\u30c8\u306f\u65ad\u9762\u304c\u771f\u5186\u3067\u3042\u3063\u3066\u3082\u3001\u30c6\u30fc\u30d1\u30fc\u3001\u6a3d\u5f62\u3001\u307e\u305f\u306f\u6a5f\u80fd\u4e0a\u306e\u554f\u984c\u3092\u751f\u3058\u308b\u307b\u3069\u306b\u66f2\u304c\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<nav class=\"article-toc\" aria-label=\"\u76ee\u6b21\"><strong>\u3053\u306e\u30da\u30fc\u30b8\u306e\u5185\u5bb9<\/strong><\/p>\n<ul>\n<li><a href=\"#zones\">2\u3064\u306e\u516c\u5dee\u57df\u3001\u7570\u306a\u308b\u554f\u3044<\/a><\/li>\n<li><a href=\"#examples\">\u771f\u5186\u306e\u65ad\u9762\u3067\u306f\u89e3\u6c7a\u3067\u304d\u306a\u3044\u3053\u3068<\/a><\/li>\n<li><a href=\"#size-runout\">\u76f4\u5f84\u3068\u632f\u308c\u306f\u5225\u306e\u691c\u67fb\u9805\u76ee<\/a><\/li>\n<li><a href=\"#measurement\">\u691c\u67fb\u306f\u7ba1\u7406\u5bfe\u8c61\u306e\u5f62\u72b6\u3092\u7db2\u7f85\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044<\/a><\/li>\n<li><a href=\"#selection\">\u63a5\u89e6\u72b6\u614b\u304b\u3089\u9078\u3073\u3001\u691c\u67fb\u65b9\u6cd5\u3092\u5b9a\u7fa9\u3059\u308b<\/a><\/li>\n<\/ul>\n<\/nav>\n<h2 id=\"zones\">2\u3064\u306e\u516c\u5dee\u57df\u3001\u7570\u306a\u308b\u554f\u3044<\/h2>\n<p>\u771f\u5186\u5ea6\u3067\u306f\u3001\u8a55\u4fa1\u3059\u308b\u5186\u5f62\u65ad\u9762\u304c\u6307\u5b9a\u516c\u5dee\u3067\u9694\u3066\u3089\u308c\u305f2\u3064\u306e\u540c\u5fc3\u5186\u306e\u9593\u306b\u53ce\u307e\u3089\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u5186\u7b52\u5ea6\u3067\u306f\u3001\u7ba1\u7406\u5bfe\u8c61\u306e\u8868\u9762\u304c\u6307\u5b9a\u516c\u5dee\u3067\u9694\u3066\u3089\u308c\u305f2\u3064\u306e\u540c\u8ef8\u5186\u7b52\u306e\u9593\u306b\u53ce\u307e\u3089\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u3069\u3061\u3089\u3082\u5f62\u72b6\u516c\u5dee\u3067\u3042\u308a\u3001\u30c7\u30fc\u30bf\u30e0\u306e\u53c2\u7167\u306f\u4e0d\u8981\u3067\u3059\u3002.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6c7a\u5b9a<\/th>\n<th>\u771f\u5186\u5ea6<\/th>\n<th>\u5186\u7b52\u5ea6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u4f55\u3092\u8a55\u4fa1\u3059\u308b\u304b\uff1f<\/td>\n<td>\u500b\u3005\u306e\u65ad\u9762\u5185\u3067\u306e\u5186\u5f62\u5f62\u72b6<\/td>\n<td>\u7ba1\u7406\u5bfe\u8c61\u306e\u5186\u7b52\u9762\u5168\u4f53\u306b\u308f\u305f\u308b\u5f62\u72b6<\/td>\n<\/tr>\n<tr>\n<td>\u9650\u5b9a\u7684\u306a\u691c\u67fb\u3067\u898b\u9003\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u3082\u306e<\/td>\n<td>\u6e2c\u5b9a\u3057\u3066\u3044\u306a\u3044\u65ad\u9762\u306e\u72b6\u614b<\/td>\n<td>\u6e2c\u5b9a\u7d4c\u8def\u306e\u9593\u307e\u305f\u306f\u305d\u308c\u3092\u8d85\u3048\u305f\u6761\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>\u7ba1\u7406\u306f\u305d\u308c\u81ea\u4f53\u3067\u4f55\u3092\u78ba\u7acb\u3057\u306a\u3044\u306e\u304b\uff1f<\/td>\n<td>\u4ed6\u306e\u30d5\u30a3\u30fc\u30c1\u30e3\u306b\u5bfe\u3059\u308b\u76f4\u5f84\u30b5\u30a4\u30ba\u307e\u305f\u306f\u4f4d\u7f6e\u5408\u308f\u305b<\/td>\n<td>\u4ed6\u306e\u30d5\u30a3\u30fc\u30c1\u30e3\u306b\u5bfe\u3059\u308b\u76f4\u5f84\u30b5\u30a4\u30ba\u307e\u305f\u306f\u4f4d\u7f6e\u5408\u308f\u305b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u9055\u3044\u306f\u3001\u4e00\u65b9\u306e\u8a18\u53f7\u304c\u3088\u308a\u9ad8\u54c1\u8cea\u306a\u90e8\u54c1\u3092\u610f\u5473\u3059\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u306f\u306a\u3044\u3002\u305d\u308c\u3089\u306f\u7570\u306a\u308b\u8981\u6c42\u3092\u8868\u3057\u3066\u3044\u308b\u3002\u6a5f\u80fd\u7684\u306a\u7406\u7531\u306a\u3057\u306b\u3001\u3088\u308a\u5e83\u7bc4\u306a\u7ba1\u7406\u3092\u8ffd\u52a0\u3059\u308b\u3068\u3001\u7d44\u7acb\u3092\u6539\u5584\u3057\u306a\u3044\u691c\u67fb\u304a\u3088\u3073\u88fd\u9020\u4e0a\u306e\u7fa9\u52d9\u3092\u751f\u3058\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u9577\u624b\u65b9\u5411\u306e\u5f62\u72b6\u304c\u91cd\u8981\u306a\u5834\u5408\u306b\u3001\u3088\u308a\u72ed\u3044\u7ba1\u7406\u3092\u9078\u629e\u3059\u308b\u3068\u3001\u5b9f\u969b\u306e\u554f\u984c\u304c\u4e0d\u5341\u5206\u306b\u3057\u304b\u7279\u5b9a\u3055\u308c\u306a\u3044\u307e\u307e\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308b\u3002.<\/p>\n<h2 id=\"examples\">\u771f\u5186\u306e\u65ad\u9762\u3067\u306f\u89e3\u6c7a\u3067\u304d\u306a\u3044\u3053\u3068<\/h2>\n<p>\u4f8b\u793a\u7684\u306a\u30c6\u30fc\u30d1\u30fc\u30b7\u30e3\u30d5\u30c8\u3092\u8003\u3048\u3066\u307f\u3088\u3046\u3002\u5404\u65ad\u9762\u306f\u5186\u5f62\u3067\u3042\u308a\u306a\u304c\u3089\u3001\u305d\u306e\u76f4\u5f84\u306f\u9577\u3055\u65b9\u5411\u306b\u6cbf\u3063\u3066\u5909\u5316\u3057\u5f97\u308b\u3002\u5186\u5468\u5ea6\u3060\u3051\u3067\u306f\u305d\u306e\u5909\u5316\u3092\u8a18\u8ff0\u3067\u304d\u306a\u3044\u3002\u30c6\u30fc\u30d1\u30fc\u304c\u8a31\u5bb9\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u306f\u3001\u5186\u5468\u5ea6\u306e\u7d50\u679c\u3092\u5358\u72ec\u3067\u898b\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30b5\u30a4\u30ba\u304a\u3088\u3073\u8a72\u5f53\u3059\u308b\u4ed6\u306e\u7ba1\u7406\u3092\u542b\u3080\u56f3\u9762\u5168\u4f53\u306b\u3088\u3063\u3066\u6c7a\u307e\u308b\u3002.<\/p>\n<p><img src=\"https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/11\/round-sections-along-tapered-shaft.webp\" alt=\"Round sections along tapered shaft\" width=\"1600\" height=\"900\" class=\"aligncenter size-full wp-image-3790\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/11\/round-sections-along-tapered-shaft.webp 1600w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/11\/round-sections-along-tapered-shaft-300x169.webp 300w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/11\/round-sections-along-tapered-shaft-1024x576.webp 1024w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/11\/round-sections-along-tapered-shaft-768x432.webp 768w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/11\/round-sections-along-tapered-shaft-1536x864.webp 1536w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/11\/round-sections-along-tapered-shaft-18x10.webp 18w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/11\/round-sections-along-tapered-shaft-800x450.webp 800w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/p>\n<p>\u6b21\u306b\u3001\u4e00\u7aef\u4ed8\u8fd1\u304c\u72ed\u304f\u306a\u3063\u3066\u3044\u308b\u30dc\u30a2\u3001\u307e\u305f\u306f\u6a3d\u72b6\u306e\u9577\u624b\u65b9\u5411\u5f62\u72b6\u3092\u6301\u3064\u8868\u9762\u3092\u8003\u3048\u3066\u307f\u3088\u3046\u3002\u4e2d\u592e\u3067\u306e\u691c\u67fb\u306f\u6e80\u8db3\u306b\u898b\u3048\u3066\u3082\u3001\u7d44\u307f\u7acb\u3066\u3089\u308c\u305f\u90e8\u54c1\u306f\u5225\u306e\u7b87\u6240\u3067\u5e72\u6e09\u3059\u308b\u3002\u3053\u308c\u3089\u306e\u4f8b\u306f\u3001\u3069\u306e\u5f62\u72b6\u8981\u6c42\u3092\u6307\u5b9a\u3059\u308b\u304b\u3092\u6c7a\u3081\u308b\u969b\u306b\u3001\u63a5\u89e6\u306e\u4f4d\u7f6e\u3068\u7bc4\u56f2\u304c\u306a\u305c\u91cd\u8981\u304b\u3092\u793a\u3057\u3066\u3044\u308b\u3002.<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u9577\u3044\u647a\u52d5\u63a5\u89e6\u306f\u3001\u77ed\u3044\u5c40\u6240\u7684\u306a\u5ea7\u9762\u9818\u57df\u3068\u306f\u7570\u306a\u308b\u554f\u984c\u3092\u63d0\u8d77\u3059\u308b\u3002\u5b9f\u969b\u306b\u76f8\u624b\u90e8\u54c1\u3092\u6848\u5185\u307e\u305f\u306f\u652f\u6301\u3059\u308b\u8868\u9762\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u3002\u5225\u3005\u306e\u30e9\u30f3\u30c9\u304c\u7570\u306a\u308b\u6a5f\u80fd\u3092\u679c\u305f\u3059\u5834\u5408\u306f\u3001\u7121\u95a2\u4fc2\u306a\u8868\u9762\u306b\u5e83\u7bc4\u306a\u6307\u793a\u3092\u9069\u7528\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u305d\u308c\u3089\u306e\u8981\u6c42\u3092\u610f\u56f3\u7684\u306b\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u3002.<\/p>\n<p>\u88fd\u9020\u30d7\u30ed\u30bb\u30b9\u306e\u9078\u629e\u306f\u3001\u305d\u306e\u6a5f\u80fd\u7684\u306a\u5b9a\u7fa9\u306b\u5f93\u3046\u3002. <a href=\"https:\/\/www.jccncmachining.com\/ja\/%e6%a9%9f%e8%83%bd\/cnc%e6%97%8b%e7%9b%a4%e5%8a%a0%e5%b7%a5\/\">CNC\u65cb\u524a<\/a> \u521d\u671f\u306e\u5186\u7b52\u30d5\u30a3\u30fc\u30c1\u30e3\u3092\u5f62\u6210\u3057\u3001\u6700\u7d42\u7684\u306a\u8981\u6c42\u304c\u305d\u308c\u3092\u5fc5\u8981\u3068\u3059\u308b\u7b87\u6240\u3067\u306f\u5225\u306e\u5de5\u7a0b\u304c\u4f7f\u7528\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308b\u3002\u30d7\u30ed\u30bb\u30b9\u540d\u3082\u3001\u898b\u6804\u3048\u306e\u826f\u3044\u8868\u9762\u5916\u89b3\u3082\u3001\u5f62\u72b6\u516c\u5dee\u3078\u306e\u9069\u5408\u3092\u793a\u3059\u3082\u306e\u3067\u306f\u306a\u3044\u3002.<\/p>\n<h2 id=\"size-runout\">\u76f4\u5f84\u3068\u632f\u308c\u306f\u5225\u306e\u691c\u67fb\u9805\u76ee<\/h2>\n<p>\u76f4\u5f84\u6e2c\u5b9a\u306f\u3001\u30b5\u30a4\u30ba\u7279\u6027\u3092\u305d\u306e\u9650\u754c\u3068\u6bd4\u8f03\u3059\u308b\u3002\u305d\u308c\u306f\u3001\u65ad\u9762\u5468\u308a\u307e\u305f\u306f\u8868\u9762\u306b\u6cbf\u3063\u305f\u3042\u3089\u3086\u308b\u9038\u8131\u3092\u6349\u3048\u308b\u3082\u306e\u3067\u306f\u306a\u3044\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u5c11\u6570\u306e\u4e8c\u70b9\u6e2c\u5b9a\u3067\u306f\u3001\u5f62\u72b6\u3092\u5b8c\u5168\u306b\u7279\u5fb4\u3065\u3051\u308b\u3053\u3068\u306a\u304f\u4e00\u8cab\u3057\u3066\u898b\u3048\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u89e3\u91c8\u306f\u307e\u305f\u3001\u6e96\u62e0\u3059\u308b\u56f3\u9762\u898f\u683c\u304a\u3088\u3073\u9069\u7528\u3055\u308c\u308b\u30b5\u30a4\u30ba\u95a2\u9023\u306e\u898f\u5247\u3092\u5c0a\u91cd\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002.<\/p>\n<p>\u632f\u308c\u306f\u7570\u306a\u308b\u95a2\u4fc2\u3092\u3082\u305f\u3089\u3059\u3002\u3059\u306a\u308f\u3061\u3001\u6307\u5b9a\u3055\u308c\u305f\u30c7\u30fc\u30bf\u30e0\u8ef8\u306b\u5bfe\u3057\u3066\u8a55\u4fa1\u3057\u305f\u3068\u304d\u306e\u8868\u9762\u306e\u6319\u52d5\u3067\u3042\u308b\u3002\u8a31\u5bb9\u3067\u304d\u308b\u5f62\u72b6\u3092\u6301\u3064\u5186\u7b52\u3067\u3082\u3001\u5225\u306e\u30d5\u30a3\u30fc\u30c1\u30e3\u306b\u5bfe\u3057\u3066\u8aa4\u3063\u3066\u4f4d\u7f6e\u6c7a\u3081\u307e\u305f\u306f\u65b9\u5411\u4ed8\u3051\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u9006\u306b\u3001\u6e2c\u5b9a\u3055\u308c\u305f\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u306e\u5909\u52d5\u306b\u306f\u3001\u5358\u306b\u5186\u5468\u5ea6\u3068\u3057\u3066\u8a18\u8ff0\u3059\u3079\u304d\u3067\u306a\u3044\u3001\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3084\u30c7\u30fc\u30bf\u30e0\u306b\u95a2\u9023\u3059\u308b\u5f71\u97ff\u304c\u542b\u307e\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u3002.<\/p>\n<p>\u3053\u306e\u533a\u5225\u306f\u3001\u30b5\u30d7\u30e9\u30a4\u30e4\u306e\u5831\u544a\u66f8\u3092\u30ec\u30d3\u30e5\u30fc\u3059\u308b\u969b\u306b\u91cd\u8981\u3067\u3042\u308b\u3002\u300c\u76f4\u5f84\u691c\u67fb\u6e08\u307f\u300d\u306f\u3001\u5186\u7b52\u5ea6\u8981\u6c42\u3078\u306e\u76f4\u63a5\u7684\u306a\u7b54\u3048\u3067\u306f\u306a\u3044\u3002\u300c\u30bb\u30f3\u30bf\u9593\u3067\u691c\u67fb\u6e08\u307f\u300d\u306f\u3001\u305d\u308c\u81ea\u4f53\u3067\u5f62\u72b6\u7279\u6027\u3084\u5408\u5426\u5224\u5b9a\u898f\u5247\u3092\u7279\u5b9a\u3059\u308b\u3082\u306e\u3067\u306f\u306a\u3044\u3002\u3069\u306e\u5e7e\u4f55\u5f62\u72b6\u304c\u8a55\u4fa1\u3055\u308c\u3001\u3069\u306e\u57fa\u6e96\u304c\u4f7f\u7528\u3055\u308c\u3001\u3069\u306e\u3088\u3046\u306a\u7d50\u679c\u304c\u7b97\u51fa\u3055\u308c\u305f\u306e\u304b\u3092\u5c0b\u306d\u308b\u3053\u3068\u3002.<\/p>\n<p>\u5225\u500b\u306e\u6bd4\u8f03\u3067\u3042\u308b <a href=\"https:\/\/www.jccncmachining.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%83%8f%e3%83%bc%e3%83%89%e3%82%bf%e3%83%bc%e3%83%8b%e3%83%b3%e3%82%b0%e3%81%a8%e7%a0%94%e5%89%8a%e3%81%ae%e6%af%94%e8%bc%83\/\">\u30cf\u30fc\u30c9\u30bf\u30fc\u30cb\u30f3\u30b0\u3068\u7814\u524a<\/a> \u306f\u30d7\u30ed\u30bb\u30b9\u9078\u629e\u3092\u6271\u3046\u3002\u3053\u3053\u3067\u306e\u6700\u521d\u306e\u8ab2\u984c\u306f\u3001\u9078\u629e\u3055\u308c\u305f\u3069\u306e\u30d7\u30ed\u30bb\u30b9\u3082\u9054\u6210\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u5e7e\u4f55\u5b66\u7684\u7d50\u679c\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u3067\u3042\u308b\u3002.<\/p>\n<h2 id=\"measurement\">\u691c\u67fb\u306f\u7ba1\u7406\u5bfe\u8c61\u306e\u5f62\u72b6\u3092\u7db2\u7f85\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044<\/h2>\n<p>A measurement plan needs a reasoned distribution of sections or paths. A single circular trace may reveal the form at that location, but it cannot describe the entire length. Likewise, a small collection of points should not be presented as if every part of the surface had been observed.<\/p>\n<p><img src=\"https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/11\/cylindrical-surface-measurement-paths.webp\" alt=\"Cylindrical surface measurement paths\" width=\"1600\" height=\"900\" class=\"aligncenter size-full wp-image-3791\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/11\/cylindrical-surface-measurement-paths.webp 1600w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/11\/cylindrical-surface-measurement-paths-300x169.webp 300w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/11\/cylindrical-surface-measurement-paths-1024x576.webp 1024w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/11\/cylindrical-surface-measurement-paths-768x432.webp 768w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/11\/cylindrical-surface-measurement-paths-1536x864.webp 1536w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/11\/cylindrical-surface-measurement-paths-18x10.webp 18w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/11\/cylindrical-surface-measurement-paths-800x450.webp 800w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/p>\n<p>Choose coverage with the feature geometry and plausible deviations in mind. Transitions near shoulders, the ends of a bore and regions affected by support conditions may deserve attention. This does not justify inventing one universal point count. The plan should explain why its coverage is suitable for the specified feature, tolerance and measurement system.<\/p>\n<p>Workholding during inspection is another part of the result. A thin or flexible part can respond to support and clamping. If the evaluation is intended for a particular restrained condition, that condition needs to be defined and reproduced. An inspection fixture should help realize the specified condition, not force the surface into a more favorable shape.<\/p>\n<p>When reviewing a <a href=\"https:\/\/www.jccncmachining.com\/ja\/%e6%a9%9f%e8%83%bd\/%e7%b2%be%e5%af%86%e7%a0%94%e5%89%8a\/\">precision-ground surface<\/a>, retain the same discipline: document the controlled length, measurement coverage and evaluation basis. Surface finish and form are related manufacturing concerns, but they are not interchangeable inspection results.<\/p>\n<h2 id=\"selection\">\u63a5\u89e6\u72b6\u614b\u304b\u3089\u9078\u3073\u3001\u691c\u67fb\u65b9\u6cd5\u3092\u5b9a\u7fa9\u3059\u308b<\/h2>\n<p>Begin with the assembly: identify where the mating component contacts the shaft or bore and what failure would result from a departure in shape. Then determine whether circular sections alone address that failure or whether the lengthwise surface relationship must also be controlled. Review size, location and orientation separately so the form callout is not asked to do every job.<\/p>\n<p>The final drawing and inspection plan should tell the same story. The symbol defines the requirement; the measurement method supplies evidence over the relevant surface. Keeping those two connected is more useful than choosing the stricter-sounding term.<\/p>","protected":false},"excerpt":{"rendered":"<p>Circularity controls the form of individual circular cross-sections. Cylindricity controls the form of an entire cylindrical surface. Choose between them by asking whether the part needs acceptable roundness at each section or a consistent cylindrical shape along the controlled length. A shaft can have round sections and still be tapered, barrel-shaped or bent enough to create a functional problem. On this page Two tolerance zones, different questions What round sections can leave unresolved Diameter and runout are separate checks Inspection must cover the shape being controlled Choose from the contact, then define the check Two tolerance zones, different questions For circularity, the evaluated circular section must lie between two concentric [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3789,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3762","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.jccncmachining.com\/ja\/wp-json\/wp\/v2\/posts\/3762","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jccncmachining.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jccncmachining.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jccncmachining.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jccncmachining.com\/ja\/wp-json\/wp\/v2\/comments?post=3762"}],"version-history":[{"count":6,"href":"https:\/\/www.jccncmachining.com\/ja\/wp-json\/wp\/v2\/posts\/3762\/revisions"}],"predecessor-version":[{"id":3792,"href":"https:\/\/www.jccncmachining.com\/ja\/wp-json\/wp\/v2\/posts\/3762\/revisions\/3792"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jccncmachining.com\/ja\/wp-json\/wp\/v2\/media\/3789"}],"wp:attachment":[{"href":"https:\/\/www.jccncmachining.com\/ja\/wp-json\/wp\/v2\/media?parent=3762"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jccncmachining.com\/ja\/wp-json\/wp\/v2\/categories?post=3762"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jccncmachining.com\/ja\/wp-json\/wp\/v2\/tags?post=3762"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}