{"id":1145,"date":"2023-11-19T19:19:37","date_gmt":"2023-11-19T18:19:37","guid":{"rendered":"http:\/\/www.jureknawrocki.com\/?p=1145"},"modified":"2026-03-14T08:09:42","modified_gmt":"2026-03-14T07:09:42","slug":"spawac-punkt-staly-czy-nie-2","status":"publish","type":"post","link":"https:\/\/jureknawrocki.com\/en\/spawac-punkt-staly-czy-nie-2\/","title":{"rendered":"Spawa\u0107 punkt sta\u0142y czy nie"},"content":{"rendered":"<p>Co do zasady nale\u017cy utrzymywa\u0107 najwi\u0119ksz\u0105 mo\u017cliw\u0105 elastyczno\u015b\u0107 ruroci\u0105gu wi\u0119c spawanie punktu sta\u0142ego do podpory jest blokowaniem wszystkich 6 stopni swobody i w konsekwencji ca\u0142kowit\u0105 utrat\u0105 elastyczno\u015bci systemu w tym punkcie.\u00a0 Aby sprawdzi\u0107 taka tez\u0119 wykona\u0142em symulacj\u0119 dla dw\u00f3ch rodzaj\u00f3w blokady osiowego przesuwu ruroci\u0105gu: blachy funkcji Line Stop (poni\u017cej) oraz zwyk\u0142e spawanie podpory do belki spoin\u0105 pachwinow\u0105 inaczej zwane funkcj\u0105 ANC.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1469\" src=\"https:\/\/jn.proklik.pl\/wp-content\/uploads\/Spawac-czy-LS-4.webp\" alt=\"Jerzy Nawrocki - Spawac czy LS 4\" width=\"388\" height=\"214\" srcset=\"https:\/\/jureknawrocki.com\/wp-content\/uploads\/Spawac-czy-LS-4.webp 388w, https:\/\/jureknawrocki.com\/wp-content\/uploads\/Spawac-czy-LS-4-300x165.webp 300w\" sizes=\"(max-width: 388px) 100vw, 388px\" \/><\/p>\n<p>W obu przypadkach warunki brzegowe obci\u0105\u017cenia i utwierdzenia by\u0142y te same:<\/p>\n<ul>\n<li>przesuniecie ruroci\u0105gu osiowo 2 mm,<\/li>\n<li>wszystkie stopnie swobody obu ko\u0144c\u00f3w belki by\u0142y utwierdzone.<\/li>\n<\/ul>\n<p>Szczelina funkcji LS wynosi\u0142a 1 mm czyli dok\u0142adnie po\u0142ow\u0119 warto\u015bci przesuni\u0119cia osiowego. Wsp\u00f3\u0142czynnik tarcia wynosi 0.3.<\/p>\n<p>\u0141adnie wysz\u0142y wykresy dla funkcji LS, na kt\u00f3rych wida\u0107, \u017ce wszystkie warto\u015bci rozpocz\u0119\u0142y wzrost dok\u0142adnie w po\u0142owie czasu symulacji czyli wtedy, gdy blacha stopy LS dotkn\u0119\u0142a powierzchni bocznej belki. Dla funkcji ANC (anchor) wszystkie warto\u015bci wzrastaj\u0105 od samego pocz\u0105tku ruchu ruroci\u0105gu. <em><strong>Wszystko to \u0142adnie wida\u0107 dopiero na filmie.\u00a0<\/strong><\/em><\/p>\n<div style=\"width: 446px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-1145-1\" width=\"446\" height=\"658\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/webm\" src=\"https:\/\/jn.proklik.pl\/wp-content\/uploads\/Spawac-czy-LS-3.webm?_=1\" \/><a href=\"https:\/\/jn.proklik.pl\/wp-content\/uploads\/Spawac-czy-LS-3.webm\">https:\/\/jn.proklik.pl\/wp-content\/uploads\/Spawac-czy-LS-3.webm<\/a><\/video><\/div>\n<p>Okaza\u0142o si\u0119, \u017ce:<\/p>\n<ul>\n<li>Energia potencjalna w systemie spawanym z funkcj\u0105 ANC jest 12-krotnie wi\u0119ksza ni\u017c w funkcji LS.<\/li>\n<li>Belka podpory jest obci\u0105\u017cana w wyra\u017anie mniejszym stopniu.<\/li>\n<li>Si\u0142y reakcji na punktach sta\u0142ych (oba ko\u0144ca belki) s\u0105 30% mniejsze dla wariantu LS.<\/li>\n<li>Moment wynikowy reakcji na obu ko\u0144cach belki jest 2,7 razy mniejszy dla wariantu LS.<\/li>\n<\/ul>\n<p style=\"text-align: center;\">Wszystko to jest to zgodne z intuicj\u0105.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1473\" src=\"https:\/\/jn.proklik.pl\/wp-content\/uploads\/Spawac-czy-LS-1.webp\" alt=\"\" width=\"1037\" height=\"432\" srcset=\"https:\/\/jn.proklik.pl\/wp-content\/uploads\/Spawac-czy-LS-1.webp 1037w, https:\/\/jn.proklik.pl\/wp-content\/uploads\/Spawac-czy-LS-1-980x408.webp 980w, https:\/\/jn.proklik.pl\/wp-content\/uploads\/Spawac-czy-LS-1-480x200.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1037px, 100vw\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1474\" src=\"https:\/\/jn.proklik.pl\/wp-content\/uploads\/Spawac-czy-LS-2.webp\" alt=\"\" width=\"981\" height=\"391\" srcset=\"https:\/\/jn.proklik.pl\/wp-content\/uploads\/Spawac-czy-LS-2.webp 981w, https:\/\/jn.proklik.pl\/wp-content\/uploads\/Spawac-czy-LS-2-480x191.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 981px, 100vw\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>Co do zasady nale\u017cy utrzymywa\u0107 najwi\u0119ksz\u0105 mo\u017cliw\u0105 elastyczno\u015b\u0107 ruroci\u0105gu wi\u0119c spawanie punktu sta\u0142ego do podpory jest blokowaniem wszystkich 6 stopni swobody i w konsekwencji ca\u0142kowit\u0105 utrat\u0105 elastyczno\u015bci systemu w tym punkcie.\u00a0 Aby sprawdzi\u0107 taka tez\u0119 wykona\u0142em symulacj\u0119 dla dw\u00f3ch rodzaj\u00f3w blokady osiowego przesuwu ruroci\u0105gu: blachy funkcji Line Stop (poni\u017cej) oraz zwyk\u0142e spawanie podpory do belki [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1473,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[123,15],"tags":[32,20],"class_list":["post-1145","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-obliczenia-wytrzymalosciowe-rur-i-aparatow","category-projekty","tag-mes","tag-spawalnictwo"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - 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