{"id":284,"date":"2026-01-01T13:55:42","date_gmt":"2026-01-01T13:55:42","guid":{"rendered":"https:\/\/thedishhead.com\/?p=284"},"modified":"2026-01-01T14:18:34","modified_gmt":"2026-01-01T14:18:34","slug":"how-we-build-a-cylindrical-tank-with-hemispherical-heads","status":"publish","type":"post","link":"https:\/\/thedishhead.com\/ja\/how-we-build-a-cylindrical-tank-with-hemispherical-heads\/","title":{"rendered":"\u534a\u7403\u72b6\u306e\u30d8\u30c3\u30c9\u3092\u6301\u3064\u5186\u7b52\u5f62\u30bf\u30f3\u30af\u306e\u4f5c\u308a\u65b9"},"content":{"rendered":"<p>\u4eba\u3005\u306f\u5727\u529b\u5bb9\u5668\u306b\u3064\u3044\u3066\u3001\u5358\u306a\u308b \u201c\u4e21\u7aef\u306e\u3042\u308b\u30b7\u30ea\u30f3\u30c0\u30fc \u201d\u3067\u3042\u308b\u304b\u306e\u3088\u3046\u306b\u8a9e\u308b\u306e\u304c\u597d\u304d\u3060\u3002\u201d<\/p>\n\n\n\n<p>\u81ea\u52d5\u8eca\u306f \u201c4\u3064\u306e\u8eca\u8f2a\u3068\u30b7\u30fc\u30c8 \u201d\u3060\u3002\u305d\u3046\u3067\u306f\u306a\u3044\u3053\u3068\u306f\u3001\u3042\u306a\u305f\u3082\u79c1\u3082\u77e5\u3063\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n<p>\u5186\u7b52\u5f62\u306e\u30bf\u30f3\u30af\u306b\u534a\u7403\u5f62\u306e\u30d8\u30c3\u30c9\u306f\u30b7\u30f3\u30d7\u30eb\u306b\u898b\u3048\u308b\u3002\u307e\u305f\u3001\u8fd1\u9053\u306f\u7f70\u305b\u3089\u308c\u308b\u3002\u65e9\u3081\u306e\u6c7a\u65ad\u3092\u8aa4\u308c\u3070\u3001\u6b6a\u307f\u3001\u9045\u308c\u3001\u305d\u3057\u3066\u8ab0\u3082\u304c\u6eb6\u63a5\u306e\u5c02\u9580\u5bb6\u306b\u306a\u308b\u3088\u3046\u306a\u7d20\u6575\u306a\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u9023\u9396\u306b\u3088\u3063\u3066\u3001\u5f8c\u3067\u305d\u306e\u4ee3\u511f\u3092\u6255\u3046\u3053\u3068\u306b\u306a\u308b\u3002.<\/p>\n\n\n\n<p>\u3067\u306f\u3001\u5b9f\u969b\u306b\u6b63\u3057\u3044\u65b9\u6cd5\u3067\u4f5c\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u306e\u304b\uff1f<\/p>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>\u76ee\u6b21<\/h2><nav><ul><li><a href=\"#step-1-we-start-with-the-job-not-the-drawing\">\u30b9\u30c6\u30c3\u30d71\uff1a\u56f3\u9762\u3067\u306f\u306a\u304f\u3001\u4ed5\u4e8b\u304b\u3089\u59cb\u3081\u308b<\/a><\/li><li><a href=\"#step-2-we-pick-the-right-hemispherical-head-strategy\">\u30b9\u30c6\u30c3\u30d72\uff1a\u9069\u5207\u306a\u534a\u7403\u30d8\u30c3\u30c9\u6226\u7565\u3092\u9078\u3076<\/a><\/li><li><a href=\"#step-3-we-form-the-shell-like-we-mean-it\">\u30b9\u30c6\u30c3\u30d73\uff1a\u6bbb\u3092\u5f62\u6210\u3059\u308b<\/a><\/li><li><a href=\"#step-4-we-prep-edges-and-keep-the-bevel-consistent\">\u30b9\u30c6\u30c3\u30d74\uff1a\u30a8\u30c3\u30b8\u3092\u6574\u3048\u3001\u9762\u53d6\u308a\u3092\u4e00\u5b9a\u306b\u4fdd\u3064<\/a><\/li><li><a href=\"#step-5-we-fit-the-head-to-the-shell-the-smart-way\">\u30b9\u30c6\u30c3\u30d75\uff1a\u30b9\u30de\u30fc\u30c8\u306a\u65b9\u6cd5\u3067\u30d8\u30c3\u30c9\u3092\u30b7\u30a7\u30eb\u306b\u53d6\u308a\u4ed8\u3051\u308b<\/a><\/li><li><a href=\"#step-6-we-weld-in-a-sequence-that-doesn-t-warp-the-whole-tank\">\u30b9\u30c6\u30c3\u30d76\uff1a\u30bf\u30f3\u30af\u5168\u4f53\u304c\u3086\u304c\u307e\u306a\u3044\u3088\u3046\u306b\u9806\u756a\u306b\u6eb6\u63a5\u3059\u308b<\/a><\/li><li><a href=\"#step-7-we-inspect-like-a-buyer-will-inspect\">\u30b9\u30c6\u30c3\u30d77\uff1a\u8cb7\u3044\u624b\u304c\u691c\u67fb\u3059\u308b\u3088\u3046\u306b\u691c\u67fb\u3059\u308b<\/a><\/li><li><a href=\"#the-part-nobody-tells-you\">\u8ab0\u3082\u6559\u3048\u3066\u304f\u308c\u306a\u3044\u90e8\u5206<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"step-1-we-start-with-the-job-not-the-drawing\">\u30b9\u30c6\u30c3\u30d71\uff1a\u56f3\u9762\u3067\u306f\u306a\u304f\u3001\u4ed5\u4e8b\u304b\u3089\u59cb\u3081\u308b<\/h2>\n\n\n\n<p>\u79c1\u306f\u3044\u3064\u3082\u6700\u521d\u306b\u4e00\u3064\u306e\u8cea\u554f\u3092\u3059\u308b\uff1a&nbsp;<strong>\u30b5\u30fc\u30d3\u30b9\u3068\u306f\uff1f<\/strong><\/p>\n\n\n\n<p>\u306a\u305c\u306a\u3089\u3001\u300c\u30b9\u30c6\u30f3\u30ec\u30b9\u300d\u306f\u305d\u308c\u3060\u3051\u3067\u306f\u4f55\u306e\u610f\u5473\u3082\u306a\u3055\u306a\u3044\u304b\u3089\u3060\u3002\u70ad\u7d20\u92fc\u300d\u3082\u540c\u3058\u3060\u3002\u6e29\u5ea6\u3001\u5727\u529b\u3001\u8150\u98df\u3001\u5a92\u4f53\u3001\u6d17\u6d44\u65b9\u6cd5\u3001\u898f\u7d04\u304c\u3059\u3079\u3066\u3092\u5de6\u53f3\u3059\u308b\u3002.<\/p>\n\n\n\n<p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u30b9\u30b1\u30c3\u30c1\u3060\u3051\u3092\u9001\u3063\u3066\u300c\u524d\u56de\u3068\u540c\u3058\u3088\u3046\u306b\u300d\u3068\u8a00\u3046\u306a\u3089\u3001\u79c1\u305f\u3061\u306f\u30da\u30fc\u30b9\u3092\u843d\u3068\u3057\u3066\u4ed5\u69d8\u3092\u78ba\u5b9a\u3059\u308b\u3002\u6750\u6599\u30b0\u30ec\u30fc\u30c9\u3001\u539a\u3055\u3001\u8150\u98df\u8a31\u5bb9\u91cf\u3001\u30b3\u30fc\u30c9\u30b9\u30bf\u30f3\u30d7\u306e\u5fc5\u8981\u6027\u3001\u30c6\u30b9\u30c8\u8981\u4ef6\u3002\u51fa\u8377\u5236\u9650\u3002\u305d\u306e\u3059\u3079\u3066\u3060\u3002.<\/p>\n\n\n\n<p>\u9000\u5c48\u306b\u805e\u3053\u3048\u308b\u3002\u4f55\u9031\u9593\u3082\u7bc0\u7d04\u3067\u304d\u308b\u3002.<\/p>\n\n\n\n<div class=\"wp-block-greenshift-blocks-image gspb_image gspb_image-id-gsbp-a4f5b37\" id=\"gspb_image-id-gsbp-a4f5b37\"><img decoding=\"async\" src=\"https:\/\/thedishhead.com\/wp-content\/uploads\/2026\/01\/Hemispherical-Heads-312.jpg\" data-src=\"\" alt=\"\u534a\u7403\u30d8\u30c3\u30c9\" loading=\"lazy\" width=\"960\" height=\"720\" title=\"\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"step-2-we-pick-the-right-hemispherical-head-strategy\">\u30b9\u30c6\u30c3\u30d72\uff1a\u9069\u5207\u306a\u534a\u7403\u30d8\u30c3\u30c9\u6226\u7565\u3092\u9078\u3076<\/h2>\n\n\n\n<p>\u534a\u7403\u72b6\u306e\u30d8\u30c3\u30c9\u306f\u3001\u5727\u529b\u306b\u5bfe\u3057\u3066\u5927\u304d\u306a\u5f37\u3055\u3092\u4e0e\u3048\u308b\u3002\u305d\u308c\u304c\u4eba\u3005\u306b\u611b\u3055\u308c\u308b\u7406\u7531\u3060\u3002\u3057\u304b\u3057\u3001\u3053\u308c\u306b\u306f\u73fe\u5b9f\u7684\u306a\u88fd\u9020\u4e0a\u306e\u9078\u629e\u3082\u4f34\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u30d7\u30ec\u30b9\u3059\u308b\u304b\uff1f\u56de\u8ee2\u3055\u305b\u308b\u306e\u304b\uff1f\u5206\u5272\u3057\u3066\u6eb6\u63a5\u3059\u308b\u306e\u304b\uff1f\u305d\u306e\u76f4\u5f84\u3068\u539a\u3055\u3067\u30b7\u30fc\u30e0\u30ec\u30b9\u30d8\u30c3\u30c9\u304c\u5fc5\u8981\u306a\u306e\u304b\u3001\u305d\u308c\u3068\u3082\u9069\u683c\u306a\u7d99\u304e\u76ee\u3067\u88fd\u9020\u3067\u304d\u308b\u306e\u304b\uff1f<\/p>\n\n\n\n<p>\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3051\u308c\u3070\u3001\u7d30\u5206\u5316\u3059\u308b\u3053\u3068\u306b\u306a\u308b\u3002\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u304c\u30bf\u30a4\u30c8\u3060\u3068\u3001\u3059\u3067\u306b\u3046\u307e\u304f\u3044\u3063\u3066\u3044\u308b\u3082\u306e\u3092\u9078\u3076\u3053\u3068\u306b\u306a\u308b\u3002\u307e\u305f\u3001\u30b9\u30da\u30c3\u30af\u306b\u3088\u3063\u3066\u306f\u300c\u30af\u30e9\u30a6\u30f3\u90e8\u306b\u6eb6\u63a5\u306e\u7d99\u304e\u76ee\u3092\u4f5c\u3089\u306a\u3044\u300d\u3068\u3044\u3046\u65b9\u5411\u306b\u3082\u3063\u3066\u3044\u304f\u3002.<\/p>\n\n\n\n<p>\u901f\u3044\uff0b\u5b89\u3044\uff0b\u5b8c\u74a7\u300d\u3092\u304a\u671b\u307f\u3067\u3059\u304b\uff1f2\u3064\u9078\u3079\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"step-3-we-form-the-shell-like-we-mean-it\">\u30b9\u30c6\u30c3\u30d73\uff1a\u6bbb\u3092\u5f62\u6210\u3059\u308b<\/h2>\n\n\n\n<p>\u30b7\u30ea\u30f3\u30c0\u30fc\u306f\u677f\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u305d\u308c\u304b\u3089\u5727\u5ef6\u3059\u308b\u3002.<\/p>\n\n\n\n<p>\u305d\u3057\u3066\u3001\u3053\u3053\u304c\u4eba\u3005\u304c\u7121\u8996\u3059\u308b\u90e8\u5206\u3060\uff1a&nbsp;<strong>\u30ed\u30fc\u30eb\u306e\u54c1\u8cea\u304c\u30d5\u30a3\u30c3\u30c6\u30a3\u30f3\u30b0\u306e\u826f\u3057\u60aa\u3057\u3092\u6c7a\u3081\u308b\u3002.<\/strong><\/p>\n\n\n\n<p>\u30b7\u30a7\u30eb\u3092\u4e38\u3081\u308c\u3070\u3001\u30d8\u30c3\u30c9\u306e\u30d5\u30a3\u30c3\u30c6\u30a3\u30f3\u30b0\u306f\u30d7\u30ed\u30ec\u30b9\u306e\u8a66\u5408\u306b\u306a\u308b\u3002\u6eb6\u63a5\u5de5\u306f \u201c\u5408\u308f\u305b\u308b \u201d\u3053\u3068\u3092\u59cb\u3081\u308b\u3002\u305d\u3046\u306a\u308b\u3068\u3001\u30df\u30b9\u30de\u30c3\u30c1\u3001\u30cf\u30a4\u30fb\u30ed\u30fc\u3001\u4e88\u5b9a\u5916\u306e\u4f59\u5206\u306a\u5165\u71b1\u304c\u767a\u751f\u3059\u308b\u3002.<\/p>\n\n\n\n<p>\u4e38\u307f\u306f\u65e9\u3081\u306b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3002\u79c1\u305f\u3061\u306f \u201c\u5bc4\u305b\u3089\u308c\u308b\u3053\u3068\u3092\u9858\u3046 \u201d\u3053\u3068\u306f\u3057\u307e\u305b\u3093\u3002\u52a0\u5de5\u306b\u5e0c\u671b\u306f\u3075\u3055\u308f\u3057\u304f\u306a\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"step-4-we-prep-edges-and-keep-the-bevel-consistent\">\u30b9\u30c6\u30c3\u30d74\uff1a\u30a8\u30c3\u30b8\u3092\u6574\u3048\u3001\u9762\u53d6\u308a\u3092\u4e00\u5b9a\u306b\u4fdd\u3064<\/h2>\n\n\n\n<p>\u6eb6\u63a5\u524d\u51e6\u7406\u306f\u5c0f\u3055\u304f\u898b\u3048\u308b\u3002\u305d\u3093\u306a\u3053\u3068\u306f\u306a\u3044\u3002.<\/p>\n\n\n\n<p>\u304d\u308c\u3044\u3067\u4e00\u8cab\u6027\u306e\u3042\u308b\u958b\u5148\u3067\u3042\u308c\u3070\u3001\u5b89\u5b9a\u3057\u305f\u6eb6\u3051\u8fbc\u307f\u3068\u4e88\u6e2c\u53ef\u80fd\u306a\u53ce\u7e2e\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u305a\u3055\u3093\u306a\u958b\u5148\u3067\u306f\u3001\u518d\u52a0\u5de5\u3084\u4f59\u5206\u306a\u7814\u78e8\u304c\u5fc5\u8981\u3068\u306a\u308a\u3001\u7d99\u304e\u76ee\u3082\u3067\u304d\u3066\u3057\u307e\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u30b7\u30a7\u30eb\u306e\u30a8\u30c3\u30b8\u3068\u30d8\u30c3\u30c9\u306e\u30a8\u30c3\u30b8\u3092\u5408\u308f\u305b\u308b\u3002\u540c\u3058\u89d2\u5ea6\u3002\u540c\u3058\u571f\u5730\u3002\u540c\u3058\u30eb\u30fc\u30c8\u30ae\u30e3\u30c3\u30d7\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u3002.<\/p>\n\n\n\n<p>\u305d\u3046\u305d\u3046\u3001\u4e88\u7fd2\u30ce\u30fc\u30c8\u306f\u65c5\u884c\u8005\u306e\u4e0a\u306b\u7f6e\u3044\u3066\u304a\u304f\u3093\u3060\u3002\u591c\u52e4\u306f\u3042\u306a\u305f\u306e\u5fc3\u3092\u8aad\u307e\u306a\u3044\u304b\u3089\u3002.<\/p>\n\n\n\n<div class=\"wp-block-greenshift-blocks-image gspb_image gspb_image-id-gsbp-e4f3373\" id=\"gspb_image-id-gsbp-e4f3373\"><img decoding=\"async\" src=\"https:\/\/thedishhead.com\/wp-content\/uploads\/2026\/01\/Hemispherical-Heads-314.jpg\" data-src=\"\" alt=\"\u534a\u7403\u30d8\u30c3\u30c9\" loading=\"lazy\" width=\"960\" height=\"720\" title=\"\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"step-5-we-fit-the-head-to-the-shell-the-smart-way\">\u30b9\u30c6\u30c3\u30d75\uff1a\u30b9\u30de\u30fc\u30c8\u306a\u65b9\u6cd5\u3067\u30d8\u30c3\u30c9\u3092\u30b7\u30a7\u30eb\u306b\u53d6\u308a\u4ed8\u3051\u308b<\/h2>\n\n\n\n<p>\u3069\u308c\u3060\u3051\u306e\u30c1\u30fc\u30e0\u304c\u3053\u3046\u4e3b\u5f35\u3057\u3066\u3044\u308b\u304b\u3001\u3042\u306a\u305f\u306f\u9a5a\u304f\u3053\u3068\u3060\u308d\u3046\u3002&nbsp;<strong>ID\u30de\u30c3\u30c1\u5bfeOD\u30de\u30c3\u30c1<\/strong>&nbsp;\u5b97\u6559\u306e\u3088\u3046\u306b\u306d\u3002.<\/p>\n\n\n\n<p>\u79c1\u306f\u305d\u308c\u3092\u8a08\u753b\u306e\u3088\u3046\u306b\u6271\u3046\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5bb9\u5668\u304c\u30bf\u30a4\u30c8\u306a\u914d\u7ba1\u3084\u5185\u90e8\u306b\u63a5\u7d9a\u3055\u308c\u308b\u5834\u5408\u306f\u3001ID\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306b\u6c17\u3092\u914d\u308b\u3002.<\/li>\n\n\n\n<li>\u5916\u88c5\u304c\u30af\u30e9\u30c3\u30c7\u30a3\u30f3\u30b0\u3001\u30b8\u30e3\u30b1\u30c3\u30c8\u3001\u5916\u4ed8\u3051\u6eb6\u63a5\u90e8\u54c1\u306b\u5408\u308f\u305b\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3001\u79c1\u305f\u3061\u306f\u5916\u5f84\u7ba1\u7406\u306b\u6c17\u3092\u914d\u308a\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<p>\u3044\u305a\u308c\u306b\u305b\u3088\u3001\u30df\u30b9\u30de\u30c3\u30c1\u306e\u4e0a\u9650\u3092\u6c7a\u3081\u3001\u305d\u308c\u3092\u5b88\u308b\u3002\u305d\u3057\u3066\u30d0\u30e9\u30f3\u30b9\u306e\u53d6\u308c\u305f\u30d1\u30bf\u30fc\u30f3\u3067\u30bf\u30c3\u30af\u3059\u308b\u3002\u201c\u826f\u3055\u305d\u3046\u306a\u3068\u3053\u308d\u306b\u30bf\u30c3\u30af 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