{"id":1586,"date":"2026-08-20T08:57:19","date_gmt":"2026-08-20T08:57:19","guid":{"rendered":"https:\/\/splineshaft.top\/engineering-module-tooth-count-pressure-angle\/"},"modified":"2026-08-24T07:38:12","modified_gmt":"2026-08-24T07:38:12","slug":"module-tooth-count-pressure-angle","status":"publish","type":"page","link":"https:\/\/splineshaft.top\/ja\/engineering\/module-tooth-count-pressure-angle\/","title":{"rendered":"Module, Tooth Count and Pressure Angle"},"content":{"rendered":"<p><strong>Module, tooth count and pressure angle<\/strong> define key parts of a spline tooth system, but they do not fully define the mating connection by themselves. Major and minor diameters, tooth thickness or space width, fit, effective engagement and datum relationships must also be controlled on the drawing.<\/p>\n<figure class=\"ss-inline-media\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/splineshaft.top\/wp-content\/uploads\/2026\/08\/scene-product-01.webp\" alt=\"Module, Tooth Count and Pressure Angle\"><\/figure>\n<h2>\u30ed\u30fc\u30c9\u30d1\u30b9\u304b\u3089\u59cb\u3081\u307e\u3059<\/h2>\n<p>Identify where torque enters and leaves the spline connection, whether the interface is fixed or sliding, and what supports the shaft radially and axially. For defining the tooth system without confusing nominal shaft size with spline geometry, this prevents the spline from being treated as an isolated tooth form. The same module and tooth count can behave differently when engagement, alignment or lubrication changes.<\/p>\n<p>\u901a\u5e38\u30c8\u30eb\u30af\u3001\u30d4\u30fc\u30af\u30c8\u30eb\u30af\u307e\u305f\u306f\u885d\u6483\u30c8\u30eb\u30af\u3001\u901f\u5ea6\u3001\u53cd\u8ee2\u56de\u6570\u3001\u30c7\u30e5\u30fc\u30c6\u30a3\u30b5\u30a4\u30af\u30eb\u3001\u304a\u3088\u3073\u74b0\u5883\u66dd\u9732\u3092\u8a18\u9332\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u5024\u304c\u307e\u3060\u4e0d\u660e\u306a\u5834\u5408\u306f\u3001\u6a5f\u68b0\u306e\u30af\u30e9\u30b9\u3068\u6545\u969c\u6642\u306e\u5f71\u97ff\u3092\u7279\u5b9a\u3057\u3001\u8a2d\u8a08\u30ec\u30d3\u30e5\u30fc\u3067\u6700\u3082\u91cd\u8981\u306a\u4e0d\u78ba\u5b9f\u6027\u306b\u7126\u70b9\u3092\u5f53\u3066\u3089\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<figure class=\"ss-inline-media\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/splineshaft.top\/wp-content\/uploads\/2026\/08\/process-milling.webp\" alt=\"Module, Tooth Count and Pressure Angle engineering context\"><\/figure>\n<h2>\u56f3\u9762\u4e0a\u3067\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9a\u7fa9\u3059\u308b<\/h2>\n<p>\u30b9\u30d7\u30e9\u30a4\u30f3\u306e\u5b8c\u5168\u306a\u5b9a\u7fa9\u306b\u306f\u3001\u901a\u5e38\u3001\u30d4\u30c3\u30c1\u30b7\u30b9\u30c6\u30e0\u3001\u6b6f\u6570\u3001\u5727\u529b\u89d2\u3001\u5927\u5f84\u3068\u5c0f\u5f84\u3001\u304b\u307f\u5408\u3044\u3001\u5d4c\u3081\u5408\u3044\u307e\u305f\u306f\u7cbe\u5ea6\u57fa\u6e96\u3001\u304a\u3088\u3073\u7aef\u90e8\u9003\u3052\u89d2\u304c\u5fc5\u8981\u3067\u3059\u3002\u56f3\u9762\u306b\u306f\u3001\u30b9\u30d7\u30e9\u30a4\u30f3\u3068\u30d9\u30a2\u30ea\u30f3\u30b0\u30b8\u30e3\u30fc\u30ca\u30eb\u3001\u30ae\u30a2\u3001\u80a9\u90e8\u3001\u307e\u305f\u306f\u30b7\u30fc\u30eb\u3092\u95a2\u9023\u4ed8\u3051\u308b\u57fa\u6e96\u70b9\u3082\u660e\u8a18\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u5bf8\u6cd5\u306e\u4ee3\u308f\u308a\u306b\u3001\u4e00\u822c\u7684\u306a\u88fd\u54c1\u540d\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u4ea4\u63db\u4f5c\u696d\u3092\u884c\u3046\u969b\u306f\u3001\u6469\u8017\u3057\u305f\u6b6f\u306e\u539a\u3055\u3060\u3051\u3092\u30b3\u30d4\u30fc\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u76f8\u624b\u90e8\u54c1\u3092\u6e2c\u5b9a\u307e\u305f\u306f\u691c\u67fb\u3057\u3001\u6469\u8017\u3057\u3066\u3044\u306a\u3044\u90e8\u5206\u3092\u78ba\u8a8d\u3057\u3001\u30d5\u30ec\u30c3\u30c6\u30a3\u30f3\u30b0\u3001\u30df\u30b9\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u3001\u30d4\u30c3\u30c1\u30f3\u30b0\u3001\u307e\u305f\u306f\u7de9\u307f\u306b\u3088\u3063\u3066\u5143\u306e\u5f62\u72b6\u304c\u5909\u5316\u3057\u3066\u3044\u306a\u3044\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure class=\"ss-inline-media\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/splineshaft.top\/wp-content\/uploads\/2026\/08\/inspection-cmm.webp\" alt=\"Module, Tooth Count and Pressure Angle inspection context\"><\/figure>\n<h2>\u6750\u6599\u304a\u3088\u3073\u88fd\u9020\u5de5\u7a0b\u306e\u30ec\u30d3\u30e5\u30fc<\/h2>\n<p>\u6750\u6599\u3068\u71b1\u51e6\u7406\u306f\u3001\u8377\u91cd\u3001\u65ad\u9762\u30b5\u30a4\u30ba\u3001\u8010\u6469\u8017\u6027\u3001\u885d\u6483\u8ca0\u8377\u3001\u304a\u3088\u3073\u52a0\u5de5\u7d4c\u8def\u306b\u57fa\u3065\u3044\u3066\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u8868\u9762\u3092\u786c\u304f\u3059\u308b\u3053\u3068\u3067\u8010\u6469\u8017\u6027\u306f\u5411\u4e0a\u3057\u307e\u3059\u304c\u3001\u6b6a\u307f\u30ea\u30b9\u30af\u3082\u5909\u5316\u3059\u308b\u305f\u3081\u3001\u4ed5\u4e0a\u3052\u52a0\u5de5\u3084\u7814\u524a\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u6a5f\u80fd\u8981\u4ef6\u3092\u660e\u78ba\u306b\u3057\u3001\u88fd\u9020\u30ec\u30d3\u30e5\u30fc\u3067\u9069\u5207\u306a\u30d7\u30ed\u30bb\u30b9\u3068\u95a2\u9023\u4ed8\u3051\u3089\u308c\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u691c\u67fb\u306f\u540c\u6642\u306b\u8a08\u753b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30b2\u30fc\u30b8\u6226\u7565\u3001\u5206\u6790\u6e2c\u5b9a\u3001CMM\u691c\u67fb\u3001\u632f\u308c\u691c\u67fb\u3001\u8868\u9762\u7c97\u3055\u6e2c\u5b9a\u3001\u786c\u5ea6\u8a66\u9a13\u306f\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u7591\u554f\u306b\u7b54\u3048\u308b\u3082\u306e\u3067\u3059\u3002\u691c\u67fb\u65b9\u6cd5\u306e\u76ee\u7684\u3092\u660e\u78ba\u306b\u3059\u308b\u305f\u3081\u3001\u56f3\u9762\u306b\u5408\u5426\u5224\u5b9a\u57fa\u6e96\u3092\u8a18\u8f09\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\u898b\u7a4d\u4f9d\u983c\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h2>\n<ul class=\"ss-rfq-checklist\">\n<li>\u5236\u5fa1\u3055\u308c\u305f2D\u56f3\u9762\u3068\u73fe\u5728\u306e\u6539\u8a02<\/li>\n<li>\u5d4c\u5408\u30b9\u30d7\u30e9\u30a4\u30f3\u307e\u305f\u306f\u30cf\u30d6\u306e\u8a73\u7d30<\/li>\n<li>\u6750\u6599\u3001\u71b1\u51e6\u7406\u3001\u786c\u5ea6\u306b\u95a2\u3059\u308b\u8981\u4ef6<\/li>\n<li>\u30c8\u30eb\u30af\u3001\u901f\u5ea6\u3001\u885d\u6483\/\u9006\u8ee2\u8ca0\u8377\u3001\u304a\u3088\u3073\u74b0\u5883<\/li>\n<li>\u6570\u91cf\u3001\u521d\u56de\u54c1\u8981\u4ef6\u3001\u691c\u67fb\u5831\u544a<\/li>\n<\/ul>\n<p>\u7ba1\u7406\u56f3\u9762\u3001\u5d4c\u5408\u9762\u5b9a\u7fa9\u3001\u6750\u8cea\u3001\u71b1\u51e6\u7406\u3001\u786c\u5ea6\u3001\u6570\u91cf\u3001\u30c8\u30eb\u30af\u3068\u901f\u5ea6\u3001\u7d44\u7acb\u65b9\u6cd5\u3001\u74b0\u5883\u3001\u304a\u3088\u3073\u691c\u67fb\u5831\u544a\u66f8\u306e\u8981\u4ef6\u3092\u9001\u4ed8\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30b5\u30f3\u30d7\u30eb\u304c\u5165\u624b\u53ef\u80fd\u306a\u5834\u5408\u306f\u3001\u65b0\u54c1\u3001\u6469\u8017\u54c1\u3001\u307e\u305f\u306f\u6545\u969c\u54c1\u306e\u3044\u305a\u308c\u3067\u3042\u308b\u304b\u3092\u8aac\u660e\u3057\u3001\u53ef\u80fd\u3067\u3042\u308c\u3070\u5d4c\u5408\u90e8\u54c1\u3082\u6dfb\u4ed8\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30ec\u30d3\u30e5\u30fc <a href=\"\/ja\/products\/\">\u88fd\u54c1\u30e9\u30a4\u30f3\u30ca\u30c3\u30d7<\/a> \u305d\u3057\u3066 <a href=\"\/ja\/contact\/#contact\">RFQ\u30d5\u30a9\u30fc\u30e0<\/a> RFQ\u3092\u63d0\u51fa\u3059\u308b\u524d\u306e\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3068\u3057\u3066\u3002<\/p>\n<h2>\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u3088\u304f\u5c0b\u306d\u308b\u8cea\u554f<\/h2>\n<p>\u3053\u308c\u3089\u306e\u8cea\u554f\u306f\u3001\u30b9\u30d7\u30e9\u30a4\u30f3\u30b7\u30e3\u30d5\u30c8\u306e\u898b\u7a4d\u4f9d\u983c\u66f8\uff08RFQ\uff09\u5be9\u67fb\u306b\u304a\u3044\u3066\u7e70\u308a\u8fd4\u3057\u767b\u5834\u3057\u307e\u3059\u3002\u306a\u305c\u306a\u3089\u3001\u3053\u308c\u3089\u306e\u8cea\u554f\u306f\u5f62\u72b6\u3001\u88fd\u9020\u3001\u7d44\u7acb\u306e\u5883\u754c\u9818\u57df\u306b\u4f4d\u7f6e\u3059\u308b\u304b\u3089\u3067\u3059\u3002\u56de\u7b54\u306f\u610f\u56f3\u7684\u306b\u6761\u4ef6\u4ed8\u304d\u3067\u63d0\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30b9\u30d7\u30e9\u30a4\u30f3\u63a5\u7d9a\u306f\u3001\u540d\u79f0\u3084\u753b\u50cf\u3060\u3051\u3067\u5224\u65ad\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u56de\u7b54\u3092\u53c2\u8003\u306b\u3001\u56f3\u9762\u3084\u4ed5\u69d8\u66f8\u306b\u8ffd\u52a0\u3059\u3079\u304d\u4e8b\u9805\u3092\u7279\u5b9a\u3057\u3001\u5408\u610f\u3055\u308c\u305f\u89e3\u91c8\u306b\u57fa\u3065\u3044\u3066\u691c\u67fb\u304a\u3088\u3073\u521d\u56de\u88fd\u54c1\u627f\u8a8d\u624b\u7d9a\u304d\u3092\u9032\u3081\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<details 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releasing module, tooth count and pressure angle, verify that geometry, material, heat treatment, fit, datum structure, manufacturing sequence and inspection method describe one coherent component. A tight tolerance is not useful if it references the wrong datum; a hardness value is incomplete if the measurement location is undefined; and a spline callout is incomplete if the mating interface is not known. This cross-check is especially important when an existing part is being reverse-engineered from service.<\/p>\n<p>\u521d\u56de\u8a66\u4f5c\u54c1\u306e\u524d\u306b\u3001\u6587\u66f8\u306e\u6539\u8a02\u72b6\u6cc1\u3001\u672a\u89e3\u6c7a\u306e\u6280\u8853\u7684\u306a\u8cea\u554f\u3001\u304a\u3088\u3073\u5408\u610f\u3055\u308c\u305f\u6e2c\u5b9a\u65b9\u6cd5\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u76f8\u624b\u90e8\u54c1\u307e\u305f\u306f\u52d5\u4f5c\u6761\u4ef6\u304c\u5909\u66f4\u3055\u308c\u305f\u5834\u5408\u306f\u3001\u30b9\u30d7\u30e9\u30a4\u30f3\u304c\u4e92\u63db\u6027\u306e\u3042\u308b\u307e\u307e\u3067\u3042\u308b\u3068\u60f3\u5b9a\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u4e92\u63db\u6027\u30ec\u30d3\u30e5\u30fc\u3092\u7e70\u308a\u8fd4\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u627f\u8a8d\u6e08\u307f\u306e\u56f3\u9762\u3068\u691c\u67fb\u57fa\u6e96\u3092\u307e\u3068\u3081\u3066\u4fdd\u7ba1\u3057\u3001\u30e1\u30fc\u30eb\u5c65\u6b74\u304b\u3089\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u4e0a\u306e\u6c7a\u5b9a\u3092\u518d\u73fe\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u540c\u3058\u5b9a\u7fa9\u306b\u57fa\u3065\u3044\u3066\u518d\u6ce8\u6587\u3092\u6bd4\u8f03\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\u7b2c\u4e00\u8a18\u4e8b\u3068\u7e70\u308a\u8fd4\u3057\u9806\u5e8f\u306e\u4e00\u8cab\u6027<\/h2>\n<p>\u6700\u521d\u306e\u88fd\u54c1\u3092\u4f7f\u7528\u3057\u3066\u3001\u6b6f\u306e\u5bf8\u6cd5\u3060\u3051\u3067\u306a\u304f\u3001\u5b8c\u5168\u306a\u57fa\u6e96\u7cfb\u3001\u5d4c\u5408\u72b6\u614b\u3001\u691c\u67fb\u65b9\u6cd5\u3092\u691c\u8a3c\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u8a31\u5bb9\u3055\u308c\u308b\u504f\u5dee\u306f\u3059\u3079\u3066\u6b63\u5f0f\u306b\u8a18\u9332\u3057\u3001\u56f3\u9762\u306b\u53cd\u6620\u3055\u305b\u308b\u304b\u3001\u518d\u751f\u7523\u524d\u306b\u4fee\u6b63\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5f8c\u3005\u306e\u4fdd\u5b88\u304a\u3088\u3073\u4ea4\u63db\u4f5c\u696d\u306e\u305f\u3081\u306e\u5b89\u5b9a\u3057\u305f\u57fa\u6e96\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u7e70\u308a\u8fd4\u3057\u4f7f\u7528\u3055\u308c\u308b\u90e8\u54c1\u306b\u3064\u3044\u3066\u306f\u3001\u6e2c\u5b9a\u65b9\u6cd5\u3001\u30b2\u30fc\u30b8\u8b58\u5225\u60c5\u5831\u3001\u56f3\u9762\u6539\u8a02\u5c65\u6b74\u3092\u691c\u67fb\u8a18\u9332\u3068\u3068\u3082\u306b\u4fdd\u7ba1\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30b9\u30d7\u30e9\u30a4\u30f3\u63a5\u5408\u90e8\u306b\u304a\u3044\u3066\u306f\u3001\u6b6f\u539a\u3001\u5727\u529b\u89d2\u3001\u4fc2\u5408\u72b6\u614b\u3001\u57fa\u6e96\u70b9\u95a2\u4fc2\u306a\u3069\u304c\u7570\u306a\u308b\u5834\u5408\u3067\u3082\u3001\u898b\u305f\u76ee\u304c\u4f3c\u3066\u3044\u3066\u3082\u90e8\u54c1\u306e\u4e00\u8cab\u6027\u304c\u7279\u306b\u91cd\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>Understand how module, tooth count and pressure angle define a spline interface and what must be confirmed with major\/minor diameters, fit and engagement.<\/p>","protected":false},"author":1,"featured_media":0,"parent":1583,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1586","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/splineshaft.top\/ja\/wp-json\/wp\/v2\/pages\/1586","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/splineshaft.top\/ja\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/splineshaft.top\/ja\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/splineshaft.top\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/splineshaft.top\/ja\/wp-json\/wp\/v2\/comments?post=1586"}],"version-history":[{"count":1,"href":"https:\/\/splineshaft.top\/ja\/wp-json\/wp\/v2\/pages\/1586\/revisions"}],"predecessor-version":[{"id":1704,"href":"https:\/\/splineshaft.top\/ja\/wp-json\/wp\/v2\/pages\/1586\/revisions\/1704"}],"up":[{"embeddable":true,"href":"https:\/\/splineshaft.top\/ja\/wp-json\/wp\/v2\/pages\/1583"}],"wp:attachment":[{"href":"https:\/\/splineshaft.top\/ja\/wp-json\/wp\/v2\/media?parent=1586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}