{"id":3937,"date":"2026-08-12T07:48:01","date_gmt":"2026-08-12T07:48:01","guid":{"rendered":"https:\/\/www.rlfasteners.com\/?p=3937"},"modified":"2026-09-03T07:30:42","modified_gmt":"2026-09-03T07:30:42","slug":"bolt-tightening-sequence-guide","status":"publish","type":"post","link":"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/bolt-tightening-sequence-guide\/","title":{"rendered":"\u30dc\u30eb\u30c8\u7de0\u3081\u4ed8\u3051\u9806\u5e8f\u306e\u4e0d\u5099\u306f\u3001\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u306e\u6b6a\u307f\u3084\u30dc\u30a2\u306e\u5909\u5f62\u3092\u3069\u306e\u3088\u3046\u306b\u5f15\u304d\u8d77\u3053\u3059\u304b\uff1f"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_69_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u76ee\u6b21\u3092\u5207\u308a\u66ff\u3048\u308b\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u30c8\u30b0\u30eb<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 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title=\"\u7de0\u3081\u4ed8\u3051\u9806\u5e8f\u304c\u91cd\u8981\u306a\u306e\u306f\u306a\u305c\u3067\u3059\u304b\uff1f\">\u7de0\u3081\u4ed8\u3051\u9806\u5e8f\u304c\u91cd\u8981\u306a\u306e\u306f\u306a\u305c\u3067\u3059\u304b\uff1f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/bolt-tightening-sequence-guide\/#Cylinder_head_distortion\" title=\"\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u306e\u6b6a\u307f\">\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u306e\u6b6a\u307f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/bolt-tightening-sequence-guide\/#Cylinder_bore_deformation\" title=\"\u30b7\u30ea\u30f3\u30c0\u30fc\u30dc\u30a2\u306e\u5909\u5f62\">\u30b7\u30ea\u30f3\u30c0\u30fc\u30dc\u30a2\u306e\u5909\u5f62<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/bolt-tightening-sequence-guide\/#How_does_bolt_tightening_order_distribute_clamping_force\" title=\"\u30dc\u30eb\u30c8\u306e\u7de0\u3081\u4ed8\u3051\u9806\u5e8f\u306f\u3069\u306e\u3088\u3046\u306b\u30af\u30e9\u30f3\u30d7\u529b\u3092\u5206\u6563\u3055\u305b\u307e\u3059\u304b\uff1f\">\u30dc\u30eb\u30c8\u306e\u7de0\u3081\u4ed8\u3051\u9806\u5e8f\u306f\u3069\u306e\u3088\u3046\u306b\u30af\u30e9\u30f3\u30d7\u529b\u3092\u5206\u6563\u3055\u305b\u307e\u3059\u304b\uff1f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/bolt-tightening-sequence-guide\/#Progressive_loading\" title=\"\u6bb5\u968e\u7684\u306a\u8ca0\u8377\">\u6bb5\u968e\u7684\u306a\u8ca0\u8377<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/bolt-tightening-sequence-guide\/#What_standard_bolt_tightening_patterns_are_used\" title=\"\u6a19\u6e96\u7684\u306a\u30dc\u30eb\u30c8\u7de0\u3081\u4ed8\u3051\u30d1\u30bf\u30fc\u30f3\u306f\u4f55\u3067\u3059\u304b\uff1f\">\u6a19\u6e96\u7684\u306a\u30dc\u30eb\u30c8\u7de0\u3081\u4ed8\u3051\u30d1\u30bf\u30fc\u30f3\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/bolt-tightening-sequence-guide\/#Spiral_pattern\" title=\"\u30b9\u30d1\u30a4\u30e9\u30eb\u30d1\u30bf\u30fc\u30f3\">\u30b9\u30d1\u30a4\u30e9\u30eb\u30d1\u30bf\u30fc\u30f3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/bolt-tightening-sequence-guide\/#Cross_pattern\" title=\"\u30af\u30ed\u30b9\u30d1\u30bf\u30fc\u30f3\">\u30af\u30ed\u30b9\u30d1\u30bf\u30fc\u30f3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/bolt-tightening-sequence-guide\/#Star_pattern\" title=\"\u30b9\u30bf\u30fc\u30d1\u30bf\u30fc\u30f3\">\u30b9\u30bf\u30fc\u30d1\u30bf\u30fc\u30f3<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/bolt-tightening-sequence-guide\/#What_does_a_cylinder_head_bolt_tightening_sequence_look_like\" title=\"\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u30dc\u30eb\u30c8\u306e\u7de0\u3081\u4ed8\u3051\u9806\u5e8f\u306f\u3069\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u304b\uff1f\">\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u30dc\u30eb\u30c8\u306e\u7de0\u3081\u4ed8\u3051\u9806\u5e8f\u306f\u3069\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u304b\uff1f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/bolt-tightening-sequence-guide\/#Multiple_tightening_passes\" title=\"\u8907\u6570\u306e\u7de0\u3081\u4ed8\u3051\u30d1\u30b9\">\u8907\u6570\u306e\u7de0\u3081\u4ed8\u3051\u30d1\u30b9<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/bolt-tightening-sequence-guide\/#What_mistakes_can_lead_to_gasket_failure\" title=\"\u30ac\u30b9\u30b1\u30c3\u30c8\u306e\u6545\u969c\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u9593\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f\">\u30ac\u30b9\u30b1\u30c3\u30c8\u306e\u6545\u969c\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u9593\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/bolt-tightening-sequence-guide\/#Starting_from_the_outside\" title=\"\u5916\u5074\u304b\u3089\u59cb\u3081\u308b\">\u5916\u5074\u304b\u3089\u59cb\u3081\u308b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/bolt-tightening-sequence-guide\/#Applying_the_final_load_in_one_pass\" title=\"\u6700\u7d42\u7684\u306a\u8ca0\u8377\u3092\u4e00\u5ea6\u306b\u9069\u7528\u3059\u308b\">\u6700\u7d42\u7684\u306a\u8ca0\u8377\u3092\u4e00\u5ea6\u306b\u9069\u7528\u3059\u308b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/bolt-tightening-sequence-guide\/#Using_the_wrong_tightening_order\" title=\"\u9593\u9055\u3063\u305f\u7de0\u3081\u4ed8\u3051\u9806\u5e8f\u3092\u4f7f\u7528\u3059\u308b\">\u9593\u9055\u3063\u305f\u7de0\u3081\u4ed8\u3051\u9806\u5e8f\u3092\u4f7f\u7528\u3059\u308b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/bolt-tightening-sequence-guide\/#Ignoring_thread_and_bolt_condition\" title=\"\u306d\u3058\u3068\u30dc\u30eb\u30c8\u306e\u72b6\u614b\u3092\u7121\u8996\u3059\u308b\">\u306d\u3058\u3068\u30dc\u30eb\u30c8\u306e\u72b6\u614b\u3092\u7121\u8996\u3059\u308b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/bolt-tightening-sequence-guide\/#How_does_CNRL_support_precise_engine_bolt_tightening\" title=\"CNRL\u306f\u7cbe\u5bc6\u306a\u30a8\u30f3\u30b8\u30f3\u30dc\u30eb\u30c8\u7de0\u3081\u4ed8\u3051\u3092\u3069\u306e\u3088\u3046\u306b\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u304b\uff1f\">CNRL\u306f\u7cbe\u5bc6\u306a\u30a8\u30f3\u30b8\u30f3\u30dc\u30eb\u30c8\u7de0\u3081\u4ed8\u3051\u3092\u3069\u306e\u3088\u3046\u306b\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u304b\uff1f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/bolt-tightening-sequence-guide\/#CNRL_Your_Trusted_Fastener_Solution_Provider\" title=\"CNRL\u3001\u4fe1\u983c\u3067\u304d\u308b\u30d5\u30a1\u30b9\u30ca\u30fc\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\">CNRL\u3001\u4fe1\u983c\u3067\u304d\u308b\u30d5\u30a1\u30b9\u30ca\u30fc\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quick_Answer\"><\/span>\u30af\u30a4\u30c3\u30af\u30a2\u30f3\u30b5\u30fc\uff1a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><br>\u4e0d\u9069\u5207\u306a\u30dc\u30eb\u30c8\u306e\u7de0\u3081\u4ed8\u3051\u9806\u5e8f\u306f\u3001\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u306e\u4e00\u90e8\u304c\u4ed6\u306e\u90e8\u5206\u304c\u5747\u7b49\u306b\u30af\u30e9\u30f3\u30d7\u3055\u308c\u308b\u524d\u306b\u8ca0\u8377\u304c\u304b\u304b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u3088\u3046\u306a\u529b\u306f\u3001\u30d8\u30c3\u30c9\u81ea\u4f53\u306e\u6b6a\u307f\u3001\u30ac\u30b9\u30b1\u30c3\u30c8\u306e\u5727\u7e2e\u6bd4\u306e\u5909\u5316\u3001\u304a\u3088\u3073\u30b7\u30ea\u30f3\u30c0\u30fc\u30dc\u30a2\u306e\u6b6a\u307f\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u305f\u304c\u3063\u3066\u3001\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u30dc\u30eb\u30c8\u306f\u3001\u30d8\u30c3\u30c9\u306e\u4e2d\u592e\u304b\u3089\u59cb\u307e\u308b\u7279\u5b9a\u306e\u9806\u5e8f\u306b\u5f93\u3063\u3066\u7de0\u3081\u4ed8\u3051\u3089\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u6bb5\u968e\u7684\u306b\u884c\u308f\u308c\u3001\u30d8\u30c3\u30c9\u3068\u30ac\u30b9\u30b1\u30c3\u30c8\u304c\u30a8\u30f3\u30b8\u30f3\u30d6\u30ed\u30c3\u30af\u306b\u5bfe\u3057\u3066\u5747\u7b49\u306b\u843d\u3061\u7740\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30a8\u30f3\u30b8\u30f3\u3001\u30dc\u30eb\u30c8\u306e\u6570\u3068\u914d\u7f6e\u3001\u4f7f\u7528\u3055\u308c\u308b\u30ac\u30b9\u30b1\u30c3\u30c8\u3001\u304a\u3088\u3073\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u7a2e\u985e\u306b\u3088\u3063\u3066\u306f\u3001\u624b\u9806\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u4f5c\u696d\u3092\u5b9f\u884c\u3059\u308b\u969b\u306b\u306f\u3001\u5e38\u306b\u30e1\u30fc\u30ab\u30fc\u306e\u63a8\u5968\u4e8b\u9805\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002CNRL\u306f\u3001\u30a8\u30f3\u30b8\u30f3\u3084\u305d\u306e\u4ed6\u306e\u81ea\u52d5\u8eca\u7528\u9014\u5411\u3051\u306e\u30d5\u30a1\u30b9\u30ca\u30fc\u3092\u88fd\u9020\u3057\u3066\u3044\u307e\u3059\u30021996\u5e74\u306b\u8a2d\u7acb\u3055\u308c\u300133,000\u5e73\u65b9\u30e1\u30fc\u30c8\u30eb\u306e\u88fd\u9020\u65bd\u8a2d\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"600\" src=\"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2026\/09\/0033d64e8029d402b94adc7d3f46aedc.png\" alt=\"\u30dc\u30eb\u30c8\u7de0\u3081\u4ed8\u3051\u9806\u5e8f\u306b\u3088\u308b\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u306e\u6b6a\u307f\" class=\"wp-image-3948\" srcset=\"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2026\/09\/0033d64e8029d402b94adc7d3f46aedc.png 1200w, https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2026\/09\/0033d64e8029d402b94adc7d3f46aedc-300x150.png 300w, https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2026\/09\/0033d64e8029d402b94adc7d3f46aedc-18x9.png 18w, https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2026\/09\/0033d64e8029d402b94adc7d3f46aedc-768x384.png 768w, https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2026\/09\/0033d64e8029d402b94adc7d3f46aedc-1024x512.png 1024w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_does_tightening_sequence_matter\"><\/span>\u7de0\u3081\u4ed8\u3051\u9806\u5e8f\u304c\u91cd\u8981\u306a\u306e\u306f\u306a\u305c\u3067\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u306f\u3001\u5404\u30d5\u30a1\u30b9\u30ca\u30fc\u306b\u3088\u3063\u3066\u751f\u6210\u3055\u308c\u308b\u529b\u306b\u5fdc\u7b54\u3057\u307e\u3059\u3002\u4e00\u65b9\u306e\u9818\u57df\u306e\u30dc\u30eb\u30c8\u304c\u6700\u521d\u306b\u7de0\u3081\u4ed8\u3051\u3089\u308c\u308b\u3068\u3001\u305d\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306f\u91cd\u304f\u30af\u30e9\u30f3\u30d7\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u4ed6\u306e\u9818\u57df\u306f\u7de9\u3093\u3060\u307e\u307e\u306b\u306a\u308a\u307e\u3059\u3002\u9069\u5207\u306a\u30dc\u30eb\u30c8\u7de0\u3081\u4ed8\u3051\u9806\u5e8f\u306f\u3001\u529b\u3092\u6bb5\u968e\u7684\u306b\u5206\u6563\u3055\u305b\u3001\u30d8\u30c3\u30c9\u304c\u30ac\u30b9\u30b1\u30c3\u30c8\u3068\u30d6\u30ed\u30c3\u30af\u306b\u5bfe\u3057\u3066\u5747\u7b49\u306b\u30b7\u30fc\u30c8\u3055\u308c\u308b\u306e\u3092\u52a9\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cylinder_head_distortion\"><\/span>\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u306e\u6b6a\u307f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30af\u30e9\u30f3\u30d7\u8377\u91cd\u306e\u4e0d\u4e00\u81f4\u306f\u3001\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u306e\u66f2\u304c\u308a\u3084\u306d\u3058\u308c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u71c3\u713c\u5ba4\u3001\u51b7\u5374\u6c34\u901a\u8def\u3001\u304a\u3088\u3073\u30aa\u30a4\u30eb\u901a\u8def\u5468\u8fba\u306e\u30ac\u30b9\u30b1\u30c3\u30c8\u306b\u4e0d\u5747\u4e00\u306a\u5727\u529b\u304c\u304b\u304b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cylinder_bore_deformation\"><\/span>\u30b7\u30ea\u30f3\u30c0\u30fc\u30dc\u30a2\u306e\u5909\u5f62<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30af\u30e9\u30f3\u30d7\u8377\u91cd\u306f\u30a8\u30f3\u30b8\u30f3\u30d6\u30ed\u30c3\u30af\u306b\u4f1d\u9054\u3055\u308c\u3001\u30b7\u30ea\u30f3\u30c0\u30fc\u30dc\u30a2\u306b\u6cbf\u3063\u305f\u5fdc\u529b\u5206\u5e03\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4e0d\u5747\u4e00\u306a\u8ca0\u8377\u306f\u3001\u30b7\u30ea\u30f3\u30c0\u30fc\u30dc\u30a2\u306e\u308f\u305a\u304b\u306a\u6b6a\u307f\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_does_bolt_tightening_order_distribute_clamping_force\"><\/span>\u30dc\u30eb\u30c8\u306e\u7de0\u3081\u4ed8\u3051\u9806\u5e8f\u306f\u3069\u306e\u3088\u3046\u306b\u30af\u30e9\u30f3\u30d7\u529b\u3092\u5206\u6563\u3055\u305b\u307e\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7de0\u3081\u4ed8\u3051\u3089\u308c\u305f\u5404\u30dc\u30eb\u30c8\u306f\u308f\u305a\u304b\u306b\u4f38\u3073\u3001\u30b8\u30e7\u30a4\u30f3\u30c8\u5168\u4f53\u306b\u30af\u30e9\u30f3\u30d7\u529b\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u30d8\u30c3\u30c9\u30dc\u30eb\u30c8\u306e\u7de0\u3081\u4ed8\u3051\u9806\u5e8f\u306f\u3001\u305d\u306e\u529b\u304c\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u5168\u4f53\u306b\u3069\u306e\u3088\u3046\u306b\u5e83\u304c\u308b\u304b\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002\u4e2d\u592e\u8fd1\u304f\u304b\u3089\u59cb\u3081\u3066\u5916\u5074\u306b\u5411\u304b\u3046\u3053\u3068\u3067\u3001\u30d8\u30c3\u30c9\u304c\u6bb5\u968e\u7684\u306b\u30b7\u30fc\u30c8\u3055\u308c\u308b\u306e\u3092\u52a9\u3051\u307e\u3059\u3002\u5916\u5074\u307e\u305f\u306f\u96a3\u63a5\u3059\u308b\u30dc\u30eb\u30c8\u3092\u5148\u306b\u7de0\u3081\u4ed8\u3051\u308b\u3068\u3001\u30d8\u30c3\u30c9\u306e\u6b8b\u308a\u306e\u90e8\u5206\u304c\u9069\u5207\u306b\u30af\u30e9\u30f3\u30d7\u3055\u308c\u308b\u524d\u306b\u3001\u4e00\u65b9\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u304c\u62d8\u675f\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Progressive_loading\"><\/span>\u6bb5\u968e\u7684\u306a\u8ca0\u8377<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b7\u30ea\u30f3\u30c0\u30fc\u306e\u30d8\u30c3\u30c9\u30dc\u30eb\u30c8\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u8907\u6570\u306e\u30b5\u30a4\u30af\u30eb\u3067\u8ca0\u8377\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u6700\u521d\u306e\u30b5\u30a4\u30af\u30eb\u304c\u30b7\u30ea\u30f3\u30c0\u30fc\u3068\u30ac\u30b9\u30b1\u30c3\u30c8\u3092\u30b7\u30fc\u30c8\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u308b\u306e\u306b\u5bfe\u3057\u3001\u305d\u306e\u5f8c\u306e\u30b5\u30a4\u30af\u30eb\u306f\u540c\u3058\u9806\u5e8f\u3067\u30dc\u30eb\u30c8\u306b\u6bb5\u968e\u7684\u306b\u8ca0\u8377\u3092\u304b\u3051\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u3088\u3046\u306b\u3057\u3066\u3001\u4ed6\u306e\u30dc\u30eb\u30c8\u304c\u7de0\u307e\u308b\u524d\u306b\u3001\u3069\u306e\u30dc\u30eb\u30c8\u3082\u5fc5\u8981\u306a\u8ca0\u8377\u306b\u9054\u3057\u306a\u3044\u3053\u3068\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002\u4e00\u90e8\u306e\u30a8\u30f3\u30b8\u30f3\u3067\u306f\u3001\u89d2\u5ea6\u8ca0\u8377\u306b\u95a2\u3059\u308b\u8981\u4ef6\u304c\u3042\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_standard_bolt_tightening_patterns_are_used\"><\/span>\u6a19\u6e96\u7684\u306a\u30dc\u30eb\u30c8\u7de0\u3081\u4ed8\u3051\u30d1\u30bf\u30fc\u30f3\u306f\u4f55\u3067\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5358\u4e00\u306e\u30dc\u30eb\u30c8\u7de0\u3081\u4ed8\u3051\u30d1\u30bf\u30fc\u30f3\u304c\u3059\u3079\u3066\u306e\u6a5f\u68b0\u7684\u30b8\u30e7\u30a4\u30f3\u30c8\u306b\u9069\u7528\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30dc\u30eb\u30c8\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u3068\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30b8\u30aa\u30e1\u30c8\u30ea\u306b\u3088\u3063\u3066\u3001\u8ca0\u8377\u304c\u3069\u306e\u3088\u3046\u306b\u5206\u6563\u3055\u308c\u308b\u304b\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002\u305d\u308c\u3067\u3082\u3001\u30b9\u30d1\u30a4\u30e9\u30eb\u3001\u30af\u30ed\u30b9\u3001\u30b9\u30bf\u30fc\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u5236\u5fa1\u3055\u308c\u305f\u7de0\u3081\u4ed8\u3051\u306e\u80cc\u5f8c\u306b\u3042\u308b\u4e3b\u306a\u539f\u5247\u3092\u4f8b\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Spiral_pattern\"><\/span>\u30b9\u30d1\u30a4\u30e9\u30eb\u30d1\u30bf\u30fc\u30f3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b9\u30d1\u30a4\u30e9\u30eb\u30d1\u30bf\u30fc\u30f3\u3067\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u306f\u4e2d\u592e\u304b\u3089\u59cb\u307e\u308a\u3001\u5f90\u3005\u306b\u5916\u5074\u306b\u9032\u307f\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5185\u5074\u304b\u3089\u5916\u5074\u3078\u306e\u7de0\u3081\u4ed8\u3051\u5727\u529b\u306e\u5747\u4e00\u306a\u5206\u5e03\u306e\u6a5f\u4f1a\u3092\u63d0\u4f9b\u3057\u3001\u4e2d\u592e\u307e\u305f\u306f\u7aef\u306b\u4e0d\u5747\u4e00\u306a\u5727\u529b\u3092\u6b8b\u3055\u306a\u3044\u305f\u3081\u3001\u591a\u304f\u306e\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u69cb\u6210\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u6570\u5024\u306f\u3001\u4f7f\u7528\u3055\u308c\u308b\u30a8\u30f3\u30b8\u30f3\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cross_pattern\"><\/span>\u30af\u30ed\u30b9\u30d1\u30bf\u30fc\u30f3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30af\u30ed\u30b9\u30d1\u30bf\u30fc\u30f3\u3067\u306f\u3001\u30b8\u30e7\u30a4\u30f3\u30c8\u306e\u4e00\u65b9\u306e\u5074\u304b\u3089\u3082\u3046\u4e00\u65b9\u306e\u5074\u3078\u3068\u4ea4\u4e92\u306b\u884c\u308f\u308c\u307e\u3059\u3002\u96a3\u63a5\u3059\u308b\u30d5\u30a1\u30b9\u30ca\u30fc\u304c\u9806\u6b21\u7de0\u3081\u4ed8\u3051\u3089\u308c\u308b\u5834\u5408\u3068\u306f\u7570\u306a\u308a\u3001\u3053\u306e\u5834\u5408\u3001\u9806\u5e8f\u306f\u90e8\u54c1\u3092\u6a2a\u5207\u308a\u307e\u3059\u3002\u4e00\u90e8\u306e\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u3067\u306f\u3001\u771f\u306e\u5e7e\u4f55\u5b66\u7684\u306a\u30af\u30ed\u30b9\u30d1\u30bf\u30fc\u30f3\u3067\u306f\u306a\u304f\u3001\u4e2d\u592e\u304b\u3089\u5916\u5074\u3078\u306e\u30af\u30ed\u30b9\u9806\u5e8f\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Star_pattern\"><\/span>\u30b9\u30bf\u30fc\u30d1\u30bf\u30fc\u30f3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b9\u30bf\u30fc\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u5186\u5f62\u307e\u305f\u306f\u5bfe\u79f0\u7684\u306a\u30b8\u30e7\u30a4\u30f3\u30c8\u5168\u4f53\u3092\u7e70\u308a\u8fd4\u3057\u79fb\u52d5\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30d5\u30e9\u30f3\u30b8\u3084\u30db\u30a4\u30fc\u30eb\u30a2\u30bb\u30f3\u30d6\u30ea\u306a\u3069\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u4e00\u822c\u7684\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u539f\u5247\u306f\u30d0\u30e9\u30f3\u30b9\u306e\u53d6\u308c\u305f\u8ca0\u8377\u3067\u3059\u304c\u3001\u4e00\u822c\u7684\u306a\u30b9\u30bf\u30fc\u30d1\u30bf\u30fc\u30f3\u306f\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u306b\u81ea\u52d5\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a8\u30f3\u30b8\u30f3\u56fa\u6709\u306e\u30c8\u30eb\u30af\u9806\u5e8f\u306e\u81ea\u52d5\u8eca\u624b\u9806\u304c\u512a\u5148\u3055\u308c\u307e\u3059\u3002\u306a\u305c\u306a\u3089\u3001\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u306f\u5f62\u72b6\u3001\u30dc\u30eb\u30c8\u306e\u4f4d\u7f6e\u3001\u304a\u3088\u3073\u69cb\u9020\u7684\u525b\u6027\u304c\u7570\u306a\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_does_a_cylinder_head_bolt_tightening_sequence_look_like\"><\/span>\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u30dc\u30eb\u30c8\u306e\u7de0\u3081\u4ed8\u3051\u9806\u5e8f\u306f\u3069\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">10\u500b\u306e\u30e1\u30a4\u30f3\u30dc\u30eb\u30c8\u3092\u6301\u3064\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u3092\u8003\u3048\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u4e00\u65b9\u306e\u7aef\u304b\u3089\u307e\u3063\u3059\u3050\u306b\u6a2a\u5207\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u624b\u9806\u306f\u591a\u304f\u306e\u5834\u5408\u3001\u4e2d\u592e\u4ed8\u8fd1\u306e\u30d5\u30a1\u30b9\u30ca\u30fc\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u6b21\u306b\u3001\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u30dc\u30eb\u30c8\u306e\u7de0\u3081\u4ed8\u3051\u9806\u5e8f\u306f\u3001\u5236\u5fa1\u3055\u308c\u305f\u9806\u5e8f\u3067\u4e21\u7aef\u306b\u5411\u304b\u3063\u3066\u9032\u884c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3068\u3048\u3070\u3001\u6700\u521d\u306e\u30da\u30a2\u306f\u4e2d\u592e\u306e\u30b7\u30ea\u30f3\u30c0\u30fc\u306e\u5468\u308a\u306b\u914d\u7f6e\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u5f8c\u7d9a\u306e\u30dc\u30eb\u30c8\u306f\u3001\u6bb5\u968e\u7684\u306b\u30af\u30e9\u30f3\u30d7\u9818\u57df\u3092\u30d8\u30c3\u30c9\u306e\u524d\u5f8c\u306b\u5e83\u3052\u307e\u3059\u3002\u3053\u306e\u4f8b\u306f\u3001\u666e\u904d\u7684\u306a\u9806\u5e8f\u3092\u63d0\u4f9b\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u539f\u5247\u3092\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002\u6b63\u3057\u3044\u756a\u53f7\u4ed8\u3051\u306f\u3001\u30a8\u30f3\u30b8\u30f3\u30e1\u30fc\u30ab\u30fc\u306e\u4ed5\u69d8\u3068\u4e00\u81f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Multiple_tightening_passes\"><\/span>\u8907\u6570\u306e\u7de0\u3081\u4ed8\u3051\u30d1\u30b9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u3058\u9806\u5e8f\u304c\u8907\u6570\u306e\u30b9\u30c6\u30fc\u30b8\u3067\u7e70\u308a\u8fd4\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30af\u30e9\u30f3\u30d7\u8377\u91cd\u304c\u5897\u52a0\u3059\u308b\u306b\u3064\u308c\u3066\u3001\u30b8\u30e7\u30a4\u30f3\u30c8\u304c\u843d\u3061\u7740\u304f\u6642\u9593\u3092\u4e0e\u3048\u307e\u3059\u3002\u307e\u305f\u3001\u7d44\u307f\u7acb\u3066\u4e2d\u306e\u91cd\u304f\u8ca0\u8377\u304c\u304b\u304b\u3063\u305f\u9818\u57df\u3068\u8efd\u304f\u8ca0\u8377\u304c\u304b\u304b\u3063\u305f\u9818\u57df\u3068\u306e\u5dee\u3092\u6e1b\u3089\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/bolt-torque-chart-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u7279\u5b9a\u306e\u30c8\u30eb\u30af\u5024<\/a> \u3053\u3053\u3067\u306f\u610f\u56f3\u7684\u306b\u9664\u5916\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u5024\u306f\u3001\u30dc\u30eb\u30c8\u306e\u8a2d\u8a08\u3001\u30a8\u30f3\u30b8\u30f3\u69cb\u9020\u3001\u306d\u3058\u306e\u72b6\u614b\u3001\u6f64\u6ed1\u3001\u304a\u3088\u3073\u30e1\u30fc\u30ab\u30fc\u306e\u624b\u9806\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u305f\u304c\u3063\u3066\u3001\u30c8\u30eb\u30af\u9806\u5e8f\u306e\u81ea\u52d5\u8eca\u4ed5\u69d8\u306f\u3001 <a href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/torque-to-yield-bolts-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u5fc5\u8981\u306a\u30c8\u30eb\u30af\u307e\u305f\u306f\u89d2\u5ea6\u306e\u30b9\u30c6\u30fc\u30b8<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_mistakes_can_lead_to_gasket_failure\"><\/span>\u30ac\u30b9\u30b1\u30c3\u30c8\u306e\u6545\u969c\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u9593\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ac\u30b9\u30b1\u30c3\u30c8\u306e\u554f\u984c\u306f\u3001\u5358\u4e00\u306e\u8981\u56e0\u304b\u3089\u751f\u3058\u308b\u3053\u3068\u306f\u3081\u3063\u305f\u306b\u3042\u308a\u307e\u305b\u3093\u3002\u8868\u9762\u306e\u72b6\u614b\u3001\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u72b6\u614b\u3001\u53d6\u308a\u4ed8\u3051\u3001\u304a\u3088\u3073\u30a8\u30f3\u30b8\u30f3\u6e29\u5ea6\u304c\u3059\u3079\u3066\u5bc4\u4e0e\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u3044\u304f\u3064\u304b\u306e\u7de0\u3081\u4ed8\u3051\u30a8\u30e9\u30fc\u306f\u3001\u30a8\u30f3\u30b8\u30f3\u304c\u7d44\u307f\u7acb\u3066\u3089\u308c\u305f\u77ac\u9593\u304b\u3089\u4e0d\u5747\u4e00\u306a\u30af\u30e9\u30f3\u30d7\u529b\u3092\u751f\u307f\u51fa\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Starting_from_the_outside\"><\/span>\u5916\u5074\u304b\u3089\u59cb\u3081\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e2d\u592e\u306e\u30dc\u30eb\u30c8\u3088\u308a\u3082\u5916\u5074\u306e\u30dc\u30eb\u30c8\u3092\u5148\u306b\u7de0\u3081\u4ed8\u3051\u308b\u3068\u3001\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u306e\u7aef\u304c\u65e9\u671f\u306b\u62d8\u675f\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u6b21\u306b\u3001\u4e2d\u592e\u306f\u3059\u3067\u306b\u91cd\u304f\u30af\u30e9\u30f3\u30d7\u3055\u308c\u3066\u3044\u308b\u9818\u57df\u306b\u5bfe\u3057\u3066\u843d\u3061\u7740\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u671b\u307e\u3057\u304f\u306a\u3044\u66f2\u3052\u5fdc\u529b\u304c\u5897\u52a0\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Applying_the_final_load_in_one_pass\"><\/span>\u6700\u7d42\u7684\u306a\u8ca0\u8377\u3092\u4e00\u5ea6\u306b\u9069\u7528\u3059\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u500b\u3005\u306e\u30dc\u30eb\u30c8\u3092\u6700\u7d42\u7684\u306a\u7de0\u3081\u4ed8\u3051\u72b6\u614b\u306b\u76f4\u63a5\u5f15\u304d\u4e0a\u3052\u308b\u3068\u3001\u96c6\u4e2d\u3057\u305f\u8ca0\u8377\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u6bb5\u968e\u7684\u306a\u7de0\u3081\u4ed8\u3051\u306f\u3001\u5897\u52a0\u3059\u308b\u30af\u30e9\u30f3\u30d7\u529b\u3092\u30a2\u30bb\u30f3\u30d6\u30ea\u5168\u4f53\u306b\u5206\u6563\u3055\u305b\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d8\u30c3\u30c9\u3068\u30ac\u30b9\u30b1\u30c3\u30c8\u306f\u3001\u6700\u7d42\u7684\u306a\u30af\u30e9\u30f3\u30d7\u72b6\u614b\u306b\u5411\u304b\u3063\u3066\u3001\u3088\u308a\u5236\u5fa1\u3055\u308c\u305f\u30d1\u30b9\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Using_the_wrong_tightening_order\"><\/span>\u9593\u9055\u3063\u305f\u7de0\u3081\u4ed8\u3051\u9806\u5e8f\u3092\u4f7f\u7528\u3059\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3042\u308b\u30a8\u30f3\u30b8\u30f3\u3067\u6a5f\u80fd\u3059\u308b\u30b7\u30fc\u30b1\u30f3\u30b9\u304c\u3001\u5225\u306e\u30a8\u30f3\u30b8\u30f3\u3067\u6a5f\u80fd\u3059\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u6b63\u3057\u3044\u30d8\u30c3\u30c9\u30dc\u30eb\u30c8\u306e\u7de0\u3081\u4ed8\u3051\u9806\u5e8f\u306f\u3001\u30dc\u30eb\u30c8\u306e\u4f4d\u7f6e\u3001\u30d8\u30c3\u30c9\u306e\u5f62\u72b6\u3001\u30ac\u30b9\u30b1\u30c3\u30c8\u306e\u69cb\u9020\u3001\u30a8\u30f3\u30b8\u30f3\u306e\u8a2d\u8a08\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u539f\u5247\u3092\u8aac\u660e\u3059\u308b\u3060\u3051\u3067\u3001\u30b5\u30fc\u30d3\u30b9\u60c5\u5831\u3092\u7f6e\u304d\u63db\u3048\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ignoring_thread_and_bolt_condition\"><\/span>\u306d\u3058\u3068\u30dc\u30eb\u30c8\u306e\u72b6\u614b\u3092\u7121\u8996\u3059\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u306d\u3058\u306e\u6469\u64e6\u306f\u3001\u7de0\u3081\u4ed8\u3051\u5165\u529b\u304c\u30dc\u30eb\u30c8\u306e\u5f35\u529b\u306b\u3069\u306e\u3088\u3046\u306b\u5909\u63db\u3055\u308c\u308b\u304b\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002\u306d\u3058\u306e\u6c5a\u308c\u3001\u640d\u50b7\u3001\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u3001\u6f64\u6ed1\u306f\u3001\u305d\u306e\u95a2\u4fc2\u3092\u5909\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30b7\u30ea\u30f3\u30c0\u30fc\u30d8\u30c3\u30c9\u30dc\u30eb\u30c8\u306e\u7de0\u3081\u4ed8\u3051\u9806\u5e8f\u3068\u4e26\u3093\u3067\u3001\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u72b6\u614b\u3082\u91cd\u8981\u3067\u3059\u3002\u6b63\u3057\u3044\u9806\u5e8f\u3067\u306f\u3001\u640d\u50b7\u3057\u305f\u30dc\u30eb\u30c8\u3084\u4e0d\u9069\u5207\u306a\u30dc\u30eb\u30c8\u3092\u88dc\u3046\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_does_CNRL_support_precise_engine_bolt_tightening\"><\/span>CNRL\u306f\u7cbe\u5bc6\u306a\u30a8\u30f3\u30b8\u30f3\u30dc\u30eb\u30c8\u7de0\u3081\u4ed8\u3051\u3092\u3069\u306e\u3088\u3046\u306b\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6307\u5b9a\u3055\u308c\u305f\u7de0\u3081\u4ed8\u3051\u624b\u9806\u306f\u3001\u30d5\u30a1\u30b9\u30ca\u30fc\u304c\u610f\u56f3\u3055\u308c\u305f\u5bf8\u6cd5\u304a\u3088\u3073\u6a5f\u68b0\u7684\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CNRL\u306f\u81ea\u52d5\u8eca\u7528 <a href=\"https:\/\/www.rlfasteners.com\/ja\/product\/bolt\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u30dc\u30eb\u30c8<\/a>\u3001\u30b9\u30bf\u30c3\u30c9\u3001\u306d\u3058\u3001 <a 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CNRL\u3001\u4fe1\u983c\u3067\u304d\u308b\u30d5\u30a1\u30b9\u30ca\u30fc\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\n  <span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n  <p class=\"cnrl-card-desc\">\n    \u30b0\u30ed\u30fc\u30d0\u30ebOEM\u5411\u3051\u306e\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u30d5\u30a1\u30b9\u30ca\u30fc\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u30a2\u30c9\u30d0\u30a4\u30b9\n  <\/p>\n\n  <a\n    href=\"https:\/\/www.rlfasteners.com\/ja\/contact\/\"\n    target=\"_blank\"\n    class=\"cnrl-btn\">\n    \u898b\u7a4d\u3082\u308a\u3092\u4f9d\u983c\u3059\u308b\n  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[\u2026]<\/p>","protected":false},"author":1,"featured_media":3945,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[186],"tags":[],"class_list":["post-3937","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bolt"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Bolt Tightening Sequence: Cylinder Head Distortion | CNRL<\/title>\n<meta name=\"description\" content=\"Learn how improper bolt tightening sequence causes cylinder head distortion, bore deformation, uneven clamp force, and gasket sealing problems.\" \/>\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.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/bolt-tightening-sequence-guide\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bolt Tightening Sequence: Cylinder Head Distortion | CNRL\" \/>\n<meta property=\"og:description\" content=\"Learn how improper bolt tightening sequence causes cylinder head distortion, bore deformation, uneven clamp force, and gasket sealing problems.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/bolt\/bolt-tightening-sequence-guide\/\" \/>\n<meta property=\"og:site_name\" content=\"Fastener Manufacturer\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/CNRLfasteners\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-12T07:48:01+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-03T07:30:42+00:00\" \/>\n<meta property=\"og:image\" 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