{"id":3501,"date":"2026-10-15T19:29:29","date_gmt":"2026-10-15T16:29:29","guid":{"rendered":"https:\/\/uneltix.ro\/cheie-dinamometrica-cum-alegi\/"},"modified":"2026-10-15T19:29:29","modified_gmt":"2026-10-15T16:29:29","slug":"cheie-dinamometrica-cum-alegi","status":"publish","type":"post","link":"https:\/\/uneltix.ro\/hu\/cheie-dinamometrica-cum-alegi\/","title":{"rendered":"Cheie dinamometric\u0103: 1\/4\u2033, 3\/8\u2033 sau 1\/2\u2033 \u0219i ce domeniu de Nm \u00ee\u021bi trebuie"},"content":{"rendered":"<p class=\"wp-block-paragraph\">O cheie dinamometric\u0103 str\u00e2nge un \u0219urub p\u00e2n\u0103 la o valoare precis\u0103 a cuplului, m\u0103surat\u0103 \u00een newtoni-metru (Nm). Conteaz\u0103 acolo unde str\u00e2ngerea prea slab\u0103 sau prea puternic\u0103 produce defecte: ro\u021bi, suspensie, chiulas\u0103, carterul de ulei, bujii, piese din aluminiu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. Antrenarea: 1\/4\u2033, 3\/8\u2033 sau 1\/2\u2033<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Antrenarea este p\u0103tratul pe care se monteaz\u0103 tubul. Ea merge m\u00e2n\u0103 \u00een m\u00e2n\u0103 cu domeniul de cuplu:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Antrenare<\/th><th>Domeniu tipic<\/th><th>Exemple de lucr\u0103ri<\/th><\/tr><\/thead><tbody><tr><td>1\/4\u2033<\/td><td>aproximativ 2\u201325 Nm<\/td><td>\u0219uruburi mici, capace, senzori, piese din plastic \u0219i aluminiu<\/td><\/tr><tr><td>3\/8\u2033<\/td><td>aproximativ 19\u2013110 Nm<\/td><td>majoritatea lucr\u0103rilor la motor \u0219i la accesorii<\/td><\/tr><tr><td>1\/2\u2033<\/td><td>aproximativ 40\u2013350 Nm<\/td><td>ro\u021bi, suspensie, direc\u021bie, \u0219uruburi mari<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Valorile sunt cele ale cheilor din oferta noastr\u0103 \u2014 vezi lista de mai jos. Cuplul exact pentru fiecare \u0219urub \u00eel g\u0103se\u0219ti \u00een documenta\u021bia produc\u0103torului ma\u0219inii.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Alege domeniul dup\u0103 valorile pe care le folose\u0219ti cel mai des<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Valoarea de care ai nevoie ar trebui s\u0103 cad\u0103 <strong>\u00een interiorul<\/strong> domeniului cheii, nu la cap\u0103tul de jos. Dac\u0103 lucrezi des at\u00e2t la valori mici, c\u00e2t \u0219i la valori mari, dou\u0103 chei (de exemplu una de 3\/8\u2033 \u0219i una de 1\/2\u2033) sunt o alegere mai bun\u0103 dec\u00e2t una singur\u0103 cu domeniu foarte larg.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. Precizia<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Standardul ISO 6789 stabile\u0219te cum se verific\u0103 precizia cheilor dinamometrice, iar verificarea se face \u00een intervalul de la 20% la 100% din valoarea maxim\u0103 a cheii. Concret: la o cheie de 40\u2013210 Nm, rezultatele cele mai sigure le ai \u00eentre aproximativ 42 \u0219i 210 Nm.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. Folosire \u0219i p\u0103strare<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Str\u00e2nge cu o mi\u0219care continu\u0103 \u0219i opre\u0219te-te la primul \u201eclic\u201d; nu mai trage dup\u0103 aceea.<\/li><li>Nu folosi cheia dinamometric\u0103 pentru a desface \u0219uruburi blocate \u2014 pentru asta folose\u0219te o cheie sau un antrenor obi\u0219nuit.<\/li><li>Dup\u0103 lucru, readu reglajul la valoarea minim\u0103 de pe scal\u0103 (nu sub ea), ca arcul s\u0103 nu r\u0103m\u00e2n\u0103 tensionat.<\/li><li>P\u0103streaz-o \u00een cutia ei \u0219i nu o sc\u0103pa pe jos; dup\u0103 o lovitur\u0103 puternic\u0103, precizia trebuie verificat\u0103.<\/li><li>\u00cen atelierele care o folosesc zilnic, cheia se verific\u0103 periodic (de obicei anual sau dup\u0103 un anumit num\u0103r de utiliz\u0103ri, conform recomand\u0103rii produc\u0103torului).<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5. Cheile dinamometrice din oferta Uneltix<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/uneltix.ro\/hu\/termek\/cheie-dinamometrica-1-4-2-24-nm\/\">Cheie dinamometric\u0103 1\/4\u2033, 2\u201324 Nm (LHT-08001)<\/a> \u00b7 <a href=\"https:\/\/uneltix.ro\/hu\/termek\/cheie-dinamometrica-1-4-5-25-nm\/\">1\/4\u2033, 5\u201325 Nm (LHT-08002)<\/a><\/li><li><a href=\"https:\/\/uneltix.ro\/hu\/termek\/cheie-dinamometrica-3-8-19-110-nm\/\">Cheie dinamometric\u0103 3\/8\u2033, 19\u2013110 Nm (LHT-08003)<\/a><\/li><li><a href=\"https:\/\/uneltix.ro\/hu\/termek\/cheie-dinamometrica-1-2-40-210-nm-lht-08004\/\">Cheie dinamometric\u0103 1\/2\u2033, 40\u2013210 Nm, cu clichet reversibil (LHT-08004)<\/a> \u00b7 <a href=\"https:\/\/uneltix.ro\/hu\/termek\/cheie-dinamometrica-1-2-70-350-nm-lht-08005\/\">1\/2\u2033, 70\u2013350 Nm (LHT-08005)<\/a><\/li><li><a href=\"https:\/\/uneltix.ro\/hu\/termek\/adaptor-dinamometric-digital-lht-08060\/\">Adaptor dinamometric digital 1\/2\u2033, 10\u2013200 Nm (LHT-08060)<\/a> \u2014 transform\u0103 un antrenor obi\u0219nuit \u00eentr-o cheie dinamometric\u0103<\/li><li><a href=\"https:\/\/uneltix.ro\/hu\/termek\/surubelnita-dinamometrica-digitala-lht-08052\/\">\u0218urubelni\u021b\u0103 dinamometric\u0103 digital\u0103 1\/4\u2033, 1\u201310 Nm (LHT-08052)<\/a> \u2014 pentru valori foarte mici<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Toate: <a href=\"https:\/\/uneltix.ro\/hu\/termekkategoria\/scule-de-mana\/chei-dinamometrice\/\">Chei dinamometrice<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Cum alegi o cheie dinamometric\u0103: diferen\u021ba dintre 1\/4\u2033, 3\/8\u2033 \u0219i 1\/2\u2033, ce domeniu de Nm \u00ee\u021bi trebuie, cum o folose\u0219ti \u0219i cum o p\u0103strezi ca s\u0103 r\u0103m\u00e2n\u0103 precis\u0103.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[144],"tags":[],"class_list":["post-3501","post","type-post","status-publish","format-standard","hentry","category-ghiduri"],"_links":{"self":[{"href":"https:\/\/uneltix.ro\/hu\/wp-json\/wp\/v2\/posts\/3501","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/uneltix.ro\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/uneltix.ro\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/uneltix.ro\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/uneltix.ro\/hu\/wp-json\/wp\/v2\/comments?post=3501"}],"version-history":[{"count":0,"href":"https:\/\/uneltix.ro\/hu\/wp-json\/wp\/v2\/posts\/3501\/revisions"}],"wp:attachment":[{"href":"https:\/\/uneltix.ro\/hu\/wp-json\/wp\/v2\/media?parent=3501"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/uneltix.ro\/hu\/wp-json\/wp\/v2\/categories?post=3501"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/uneltix.ro\/hu\/wp-json\/wp\/v2\/tags?post=3501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}