{"id":356,"date":"2024-12-29T18:13:43","date_gmt":"2024-12-29T15:13:43","guid":{"rendered":"https:\/\/metallurgicalportal.com\/?p=356"},"modified":"2026-04-13T22:11:09","modified_gmt":"2026-04-13T19:11:09","slug":"%d0%b5%d1%84%d0%b5%d0%ba%d1%82%d0%b8%d0%b2%d0%bd%d1%96-%d0%bc%d0%b5%d1%82%d0%be%d0%b4%d0%b8-%d0%bf%d1%80%d0%be%d1%82%d0%b8%d0%b4%d1%96%d1%97-%d1%82%d0%b5%d0%bc%d0%bf%d0%b5%d1%80%d0%b0%d1%82%d1%83","status":"publish","type":"post","link":"https:\/\/metallurgicalportal.com\/ee\/%d0%b5%d1%84%d0%b5%d0%ba%d1%82%d0%b8%d0%b2%d0%bd%d1%96-%d0%bc%d0%b5%d1%82%d0%be%d0%b4%d0%b8-%d0%bf%d1%80%d0%be%d1%82%d0%b8%d0%b4%d1%96%d1%97-%d1%82%d0%b5%d0%bc%d0%bf%d0%b5%d1%80%d0%b0%d1%82%d1%83\/","title":{"rendered":"T\u00f5husad meetodid temperatuuri deformatsioonide vastu v\u00f5itlemiseks keevitust\u00f6\u00f6del: Optimeerimine ja eelised"},"content":{"rendered":"<p>Vaatleme strateegiaid, kuidas v\u00f5idelda metalli termilise deformatsiooni vastu, mis v\u00f5ib tekkida keevitamise ajal. Artikli l\u00f5pus k\u00e4sitleme ka t\u00e4iustatud meetodeid, mida saab kasutada selle probleemi lahendamiseks.<\/p>\n<h2>\u041e\u0441\u043d\u043e\u0432\u043d\u0430 \u0456\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0456\u044f<\/h2>\n<p>See pinge on p\u00f5hjustatud materjali eba\u00fchtlasest kuumutamisest, mis tekitab jahutamisel temperatuurimuutuse piirkonnas sisepingeid, mis v\u00f5ivad p\u00f5hjustada metalltoodete deformatsiooni.<\/p>\n<p>Milliseid l\u00e4henemisviise on olemas metallide deformatsiooni v\u00e4ltimiseks keevitamise ajal?<\/p><div id=\"metal-1284927540\" class=\"metal-test-placement-from-wizard-1613938243 metal-entity-placement\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-2960546228657998\"\n     crossorigin=\"anonymous\"><\/script><\/div><div id=\"metal-3048155444\" class=\"metal-test-placement-from-wizard-2811376327 metal-entity-placement\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-2960546228657998\"\n     crossorigin=\"anonymous\"><\/script><\/div>\n<div id=\"metal-1110319991\" class=\"metal-test-placement-from-wizard-1613938243 metal-entity-placement\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-2960546228657998\"\n     crossorigin=\"anonymous\"><\/script><\/div>\n<div id=\"metal-1937666249\" class=\"metal-test-placement-from-wizard-2811376327 metal-entity-placement\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-2960546228657998\"\n     crossorigin=\"anonymous\"><\/script><\/div>\n<ul class=\"wp-block-list\">\n<li>1.<strong> <\/strong><strong>Keevitusliidete j\u00e4rjestuse optimeerimine:<\/strong> Keevis\u00f5mbluste j\u00e4rjestus on soovitatav valida nii, et tekkivad pinged t\u00fchistaksid \u00fcksteist. Seda saab saavutada s\u00fcmmeetriliste keevis\u00f5mbluste loomisega ja \u00f5ige rakendussuuna valimisega. Teatud juhtudel v\u00f5ib olla t\u00f5hus ka toote kinnitamine enne keevitamist ja seej\u00e4rel keevitada \u00f5mblused s\u00fcmmeetriliselt neutraaltelje \u00fcmber.<\/li>\n<li><\/li>\n<li><strong>2. Osade eelpainutamine:<\/strong> detailide eelt\u00f5mbamine keevitamise ajal eeldatavatele pingetele vastupidises suunas. See eelt\u00f5mbamine aitab kompenseerida temperatuuripingeid ja hoiab \u00e4ra konstruktsiooni deformatsiooni.<\/li>\n<li><\/li>\n<li><strong>3: Seadistage vajalik keevitusre\u017eiim: <\/strong>Keevitamisel tekkivad pinged s\u00f5ltuvad metalli kuumutusv\u00f6\u00f6ndi temperatuurist. Erinevad keevitusre\u017eiimid toimuvad erinevatel temperatuuridel, erinevate metalli koguste ja erinevate keevituskiirustega. Suuremad keevituskiirused v\u00e4hendavad keevitustsooni kuumenemist ja v\u00e4hendavad seega kahanemispingeid.<\/li>\n<li><\/li>\n<li><strong>4. Tooriku v\u00f5i deformatsioonipiirkonna eelsoojendamine: <\/strong>Enne keevitamist v\u00f5ite t\u00f6\u00f6deldavat detaili v\u00f5i deformeeruvat ala eelnevalt kuumutada, et v\u00e4hendada metalli j\u00e4\u00e4kpingeid.<\/li>\n<li><\/li>\n<li><strong>5. Keevitamine dirigendis: <\/strong>Toote kinnitamine j\u00e4ikadesse seadmetesse aitab v\u00e4ltida termilist kahanemist, v\u00e4hendades termilist kahanemist. See v\u00f5ib aga suurendada pragude tekkimise ohtu, eriti kui metall on ebapiisava plastilisusega.<\/li>\n<li><\/li>\n<li><strong>6. Esialgne sirgendamine p\u00e4rast keevitamist: <\/strong>Tugede, t\u00f5stukite v\u00f5i haamrite kasutamine metalltoote kuju korrigeerimiseks p\u00e4rast keevitamist.<\/li>\n<li><strong>7. Termiline sirgendamine: <\/strong>Metalldetaili deformeerunud alade kuumutamine gaasip\u00f5letiga, et k\u00f5rvaldada sisepinged. Seda meetodit v\u00f5ib kasutada koos mehaanilise sirgendamisega.<\/li>\n<\/ul>\n<p>Kokkuv\u00f5ttes tuleb m\u00e4rkida, et optimaalse meetodi valik s\u00f5ltub metalli t\u00fc\u00fcbist, toote konstruktsioonist ja keevituskvaliteedi n\u00f5uetest.<\/p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u0420\u043e\u0437\u0433\u043b\u044f\u043d\u0435\u043c\u043e \u0441\u0442\u0440\u0430\u0442\u0435\u0433\u0456\u0457 \u043f\u0440\u043e\u0442\u0438\u0434\u0456\u0457 \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u043d\u0438\u043c \u0434\u0435\u0444\u043e\u0440\u043c\u0430\u0446\u0456\u044f\u043c \u043c\u0435\u0442\u0430\u043b\u0443, \u044f\u043a\u0456 \u043c\u043e\u0436\u0443\u0442\u044c \u0432\u0438\u043d\u0438\u043a\u043d\u0443\u0442\u0438 \u043f\u0456\u0434 \u0447\u0430\u0441 \u0437\u0432\u0430\u0440\u044e\u0432\u0430\u043b\u044c\u043d\u0438\u0445 \u0440\u043e\u0431\u0456\u0442. \u0423 \u043a\u0456\u043d\u0446\u0456&#8230;<\/p>","protected":false},"author":1,"featured_media":371,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-356","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-1"],"jetpack_featured_media_url":"https:\/\/metallurgicalportal.com\/wp-content\/uploads\/2024\/12\/pexels-erfin-ekarana-494408160-22717514-scaled.jpg","jetpack_sharing_enabled":true,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/metallurgicalportal.com\/ee\/wp-json\/wp\/v2\/posts\/356","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/metallurgicalportal.com\/ee\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/metallurgicalportal.com\/ee\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/metallurgicalportal.com\/ee\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/metallurgicalportal.com\/ee\/wp-json\/wp\/v2\/comments?post=356"}],"version-history":[{"count":3,"href":"https:\/\/metallurgicalportal.com\/ee\/wp-json\/wp\/v2\/posts\/356\/revisions"}],"predecessor-version":[{"id":462,"href":"https:\/\/metallurgicalportal.com\/ee\/wp-json\/wp\/v2\/posts\/356\/revisions\/462"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/metallurgicalportal.com\/ee\/wp-json\/wp\/v2\/media\/371"}],"wp:attachment":[{"href":"https:\/\/metallurgicalportal.com\/ee\/wp-json\/wp\/v2\/media?parent=356"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/metallurgicalportal.com\/ee\/wp-json\/wp\/v2\/categories?post=356"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/metallurgicalportal.com\/ee\/wp-json\/wp\/v2\/tags?post=356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}