{"id":7050,"date":"2020-12-14T09:43:32","date_gmt":"2020-12-14T08:43:32","guid":{"rendered":"https:\/\/ecocranes.hu\/a-darugyartas-alapanyaga-az-acel-iv-resz\/"},"modified":"2025-10-13T16:42:35","modified_gmt":"2025-10-13T14:42:35","slug":"a-darugyartas-alapanyaga-az-acel-iv-resz","status":"publish","type":"post","link":"https:\/\/ecocranes.hu\/ro\/a-darugyartas-alapanyaga-az-acel-iv-resz\/","title":{"rendered":"O\u021belul, materia prim\u0103 utilizat\u0103 \u00een fabricarea macaralelor \u2013 Partea a IV-a"},"content":{"rendered":"<h2>IV. \u2013 Prelucrare<\/h2>\n<p><strong>A\u0219a cum s-a men\u021bionat <\/strong><a href=\"https:\/\/ecocranes.hu\/ro\/a-darugyartas-alapanyaga-az-acel-i-resz\/\"><strong>anterior<\/strong><\/a> <a href=\"https:\/\/ecocranes.hu\/ro\/a-darugyartas-alapanyaga-az-acel-ii-resz\/\"><strong>\u00een articolele noastre<\/strong><\/a><strong> S-a men\u021bionat c\u0103 industria \u00eel utilizeaz\u0103 \u00een numeroase scopuri <\/strong><a href=\"https:\/\/ecocranes.hu\/ro\/a-darugyartas-alapanyaga-az-acel-iii-resz\/\"><strong>o\u021bel<\/strong><\/a><strong>. \u00cen func\u021bie de aceste forme de utilizare, \u00een cadrul procesului de produc\u021bie a o\u021belului, o\u021belul, ca produs final, ia diverse forme, care \u00ee\u0219i vor dob\u00e2ndi forma definitiv\u0103 \u00een urma unor opera\u021biuni ulterioare de prelucrare. \u00cen partea final\u0103 a seriei noastre de articole vom vorbi despre aceast\u0103 etap\u0103 de lucru, \u0219i anume prelucrarea o\u021belului. <\/strong><\/p>\n<p>A <em><strong>prelucrarea o\u021belului simplu sau aliat<\/strong><\/em>, prelucrarea plastic\u0103 a o\u021belului se poate realiza at\u00e2t la rece, c\u00e2t \u0219i la cald. \u00cen timpul prelucr\u0103rii la cald, propriet\u0103\u021bile o\u021belului pot fi modificate \u00een continuare prin tratament termic. Printre cele mai cunoscute \u0219i mai r\u0103sp\u00e2ndite forme de prelucrare se num\u0103r\u0103 forjarea, laminarea \u0219i extrudarea.<\/p>\n<h5>Forjare<\/h5>\n<p>Cea mai veche, cea mai \u00eendelung utilizat\u0103 <em><strong>metode de prelucrare a metalelor<\/strong><\/em> una dintre acestea. \u00cen procesul de forjare, o\u021belul sau alte metale sunt, de obicei, modelate \u00eentre suprafe\u021bele de formare ale a dou\u0103 unelte, prin lovituri sau prin presiune.<\/p>\n<p>\u00cen timpul forj\u0103rii, metalul poate fi modelat at\u00e2t la cald, c\u00e2t \u0219i la rece sau la temperatura intermediar\u0103.<\/p>\n<pre>Forjarea este f<em><strong>structura original\u0103 a materialelor<\/strong><\/em> \u00eel face mai fin, astfel \u00eenc\u00e2t propriet\u0103\u021bile mecanice ale metalului prelucrat pot fi adaptate \u00een func\u021bie de solicit\u0103rile prev\u0103zute. <\/pre>\n<p>Calitatea metalelor forjate dup\u0103 procesul de formare <em><strong>prin tratament termic<\/strong> <\/em>poate fi \u00eembun\u0103t\u0103\u021bit \u00een continuare.<\/p>\n<p><em><strong>Forjare manual\u0103<\/strong><\/em> \u00cen cadrul acestui proces se pot realiza obiecte metalice ornamentale \u0219i unice, \u00eens\u0103 acesta este un proces care necesit\u0103 mult timp.<\/p>\n<p><em><strong>Forjarea mecanic\u0103<\/strong><\/em> este mai rapid \u0219i mai eficient, de\u0219i costurile de prelucrare pot fi ridicate atunci c\u00e2nd se prelucreaz\u0103 cantit\u0103\u021bi mici de material.<\/p>\n<p>\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_kovacsullo-1024x682.jpg\" alt=\"Kov\u00e1cs\u00fcll\u0151 - ac\u00e9l - emel\u0151- \u00e9s darugy\u00e1rt\u00e1s\" srcset=\"https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_kovacsullo-1024x682.jpg 1024w, https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_kovacsullo-300x200.jpg 300w, https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_kovacsullo-768x512.jpg 768w, https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_kovacsullo-1536x1023.jpg 1536w, https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_kovacsullo-560x373.jpg 560w, https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_kovacsullo-400x266.jpg 400w, https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_kovacsullo-900x600.jpg 900w, https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_kovacsullo-450x300.jpg 450w, https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_kovacsullo-1013x675.jpg 1013w, https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_kovacsullo-1621x1080.jpg 1621w, https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_kovacsullo.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t<\/p>\n<h5>Laminare<\/h5>\n<p>O metod\u0103 ap\u0103rut\u0103 cu mult dup\u0103 forjare, dar potrivit\u0103 pentru prelucrarea unor cantit\u0103\u021bi semnificativ mai mari de metal, care <em><strong>pentru realizarea barelor de o\u021bel \u0219i a pl\u0103cilor de tabl\u0103<\/strong> <\/em>este perfect potrivit.<\/p>\n<p>Pe l\u00e2ng\u0103 eficien\u021ba sa, un alt avantaj este faptul c\u0103 produsele laminate <em><strong>gama de forme \u0219i dimensiuni este extrem de variat\u0103<\/strong><\/em>.<\/p>\n<pre>\u00cen timpul lamin\u0103rii, deformarea metalului este realizat\u0103 de cilindrii rotativi amplasa\u021bi \u00een cuptorul de laminare. Unitatea instalat\u0103 pentru laminarea produsului respectiv, alc\u0103tuit\u0103 dintr-unul sau mai multe cuptoare de laminare, este\u00a0<em><strong>r\u00e2nd de cilindri<\/strong><\/em>. Termenul \u201elinii de laminare\u201d se refer\u0103, \u00een mod general, la \u0219irul de val\u021buri \u0219i la sec\u021biunile conexe care efectueaz\u0103 opera\u021biunile preg\u0103titoare \u0219i auxiliare (\u00eenc\u0103lzirea, r\u0103cirea \u0219i tratamentul termic al metalului).<\/pre>\n<p>Marea majoritate a produselor prelucrate prin laminare <em><strong>de tip produs intermediar<\/strong><\/em>, acestea fiind prelucrate ulterior cu ajutorul altor tehnologii. Doar o mic\u0103 parte dintre ele, cum ar fi o\u021belul pentru beton, este prelucrat\u0103 direct de c\u0103tre <a href=\"https:\/\/ecocranes.hu\/ro\/daruzasi-megoldasaink\/\">profile de sus\u021binere<\/a>, sau chiar se folosesc \u0219inele de cale ferat\u0103.<\/p>\n<p>Produsele laminate <em><strong>\u00een func\u021bie de forma lor<\/strong><\/em> le putem clasifica dup\u0103 cum urmeaz\u0103:<\/p>\n<ul>\n<li><em><u>Barele de o\u021bel:<\/u><\/em>\u00a0profile cu cilindri evaza\u021bi, formate la cald, cu forme simple (cerc, p\u0103trat, dreptunghi etc.).<\/li>\n<li><em><u>O\u021beluri profilate:<\/u><\/em>\u00a0Sec\u021biunile acestora sunt de obicei comparate cu forma unor litere diferite (L, I, U, T, Z).<\/li>\n<li><em><u>S\u00e2rme laminate:<\/u><\/em>\u00a0produse cu sec\u021biune circular\u0103 de diametru mai mic, care sunt fabricate exclusiv sub form\u0103 de bobine.<\/li>\n<li><em><u>Produse plate:<\/u><\/em>\u00a0laminat <a href=\"https:\/\/ecocranes.hu\/ro\/hidraulikus-autoemelo\/\">discuri<\/a> \u0219i benzi.<\/li>\n<li>Fabricat prin laminarea special\u0103 a \u021bevilor <em><u>\u021bevi f\u0103r\u0103 sudur\u0103<\/u><\/em>.<\/li>\n<\/ul>\n<p>\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_sin-1024x683.jpg\" alt=\"S\u00edn - ac\u00e9lgy\u00e1rt\u00e1s\" srcset=\"https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_sin-1024x683.jpg 1024w, https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_sin-300x200.jpg 300w, https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_sin-768x512.jpg 768w, https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_sin-1536x1024.jpg 1536w, https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_sin-560x373.jpg 560w, https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_sin-400x267.jpg 400w, https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_sin-900x600.jpg 900w, https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_sin-450x300.jpg 450w, https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_sin-1013x675.jpg 1013w, https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_sin-1620x1080.jpg 1620w, https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_sin.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t<\/p>\n<h5>Extragere<\/h5>\n<p>\u00cen timpul procesului de extrudare, o bar\u0103 metalic\u0103 (de obicei cu sec\u021biune circular\u0103, turnat\u0103 sau laminat\u0103) este plasat\u0103 \u00een fa\u021ba unui <em><strong>sunt presate prin orificiu cu ajutorul unor utilaje hidraulice<\/strong><\/em>.<\/p>\n<p>Sec\u021biunea transversal\u0103 a materialului extrudat este identic\u0103 cu sec\u021biunea transversal\u0103 a orificiului. Profilul extrudat poate fi compact, dar poate avea \u0219i forme cavitare foarte variate.<\/p>\n<p>O\u021belurile prelucrate \u0219i alte metale pot fi t\u0103iate la diferite dimensiuni, \u00een func\u021bie de destina\u021bia prev\u0103zut\u0103. Cele mai r\u0103sp\u00e2ndite sunt o\u021belurile de construc\u021bie, tablele, \u021bevile \u0219i profilele metalice <em><strong>metoda de t\u0103iere<\/strong> <\/em>t\u0103ierea cu laser sau <a href=\"https:\/\/ecocranes.hu\/ro\/bovulo-csarnok-bovulo-szolgaltatasok\/\">t\u0103iere termic\u0103 cu plasm\u0103<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u00cen ultima parte a seriei noastre de articole vom vorbi despre prelucrarea o\u021belului, adic\u0103 despre realizarea final\u0103 a elementului de baz\u0103 al produc\u021biei de dispozitive de ridicare \u0219i macarale.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[144,102],"tags":[145,118,146,147],"class_list":["post-7050","post","type-post","status-publish","format-standard","hentry","category-hasznos-tudas","category-hirek-cikkek","tag-acel","tag-darugyartas","tag-gyartas","tag-tortenelem","no-thumb"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.2 (Yoast SEO v26.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>A darugy\u00e1rt\u00e1s alapanyaga, az ac\u00e9l - IV. r\u00e9sz - Eco-Cranes<\/title>\n<meta name=\"description\" content=\"Az ac\u00e9l megmunk\u00e1l\u00e1s\u00e1r\u00f3l lesz sz\u00f3 cikksorozatunk utols\u00f3 r\u00e9sz\u00e9ben, vagyis az emel\u0151-, illetve darugy\u00e1rt\u00e1s alapelem\u00e9nek v\u00e9gs\u0151 kialak\u00edt\u00e1s\u00e1r\u00f3l.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ecocranes.hu\/ro\/a-darugyartas-alapanyaga-az-acel-iv-resz\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A darugy\u00e1rt\u00e1s alapanyaga, az ac\u00e9l - IV. r\u00e9sz\" \/>\n<meta property=\"og:description\" content=\"Az ac\u00e9l megmunk\u00e1l\u00e1s\u00e1r\u00f3l lesz sz\u00f3 cikksorozatunk utols\u00f3 r\u00e9sz\u00e9ben, vagyis az emel\u0151-, illetve darugy\u00e1rt\u00e1s alapelem\u00e9nek v\u00e9gs\u0151 kialak\u00edt\u00e1s\u00e1r\u00f3l.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ecocranes.hu\/ro\/a-darugyartas-alapanyaga-az-acel-iv-resz\/\" \/>\n<meta property=\"og:site_name\" content=\"Eco-Cranes\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ecocranes\" \/>\n<meta property=\"article:published_time\" content=\"2020-12-14T08:43:32+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-13T14:42:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ecocranes.hu\/wp-content\/uploads\/2020\/12\/23_kovacsullo-1024x682.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"682\" \/>\n<meta name=\"author\" content=\"eco.-admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Scris de\" \/>\n\t<meta name=\"twitter:data1\" content=\"eco.-admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Timp estimat pentru citire\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/ecocranes.hu\/a-darugyartas-alapanyaga-az-acel-iv-resz\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/ecocranes.hu\/a-darugyartas-alapanyaga-az-acel-iv-resz\/\"},\"author\":{\"name\":\"eco.-admin\",\"@id\":\"https:\/\/ecocranes.hu\/#\/schema\/person\/313efb4c05acc39796b4c6dbd501f01d\"},\"headline\":\"A darugy\u00e1rt\u00e1s alapanyaga, az ac\u00e9l &#8211; 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