{"id":807,"date":"2025-01-06T03:24:37","date_gmt":"2025-01-06T03:24:37","guid":{"rendered":"https:\/\/www.ylfastener.com\/?p=807"},"modified":"2025-01-06T03:25:25","modified_gmt":"2025-01-06T03:25:25","slug":"what-is-the-difference-between-a-bolt-with-rolled-threads-and-one-with-cut-threads","status":"publish","type":"post","link":"https:\/\/www.ylfastener.com\/ro\/what-is-the-difference-between-a-bolt-with-rolled-threads-and-one-with-cut-threads\/","title":{"rendered":"Care este diferen\u021ba dintre un \u0219urub cu fire rulate \u0219i unul cu fire t\u0103iate?"},"content":{"rendered":"

Firele unui dispozitiv de fixare mecanic, indiferent dac\u0103 este vorba de o\u00a0\u0219urub cu cap<\/u>,\u00a0tij\u0103<\/u>, sau\u00a0magazin \u00een\u0103untru<\/u>, poate fi produs fie prin t\u0103iere, fie prin laminare. Diferen\u021bele, concep\u021biile gre\u0219ite, avantajele \u0219i dezavantajele fiec\u0103rei metode sunt descrise mai jos.<\/p>\n

Fire rulate<\/b><\/strong><\/h3>\n

Filetarea cu role este un proces prin care o\u021belul este extrudat pentru a forma por\u021biunea filetat\u0103 a unui element de fixare, \u00een loc s\u0103 fie \u00eendep\u0103rtat ca \u00een filetarea t\u0103iat\u0103. \u00cen acest proces, un \u0219urub este fabricat dintr-o bar\u0103 rotund\u0103 cu diametru redus. De exemplu, un \u0219urub cu diametrul de 1 inch este fabricat din bar\u0103 rotund\u0103 cu diametrul de 0,912 inci. Acest material \u201ediametrul pasului\u201d este aproximativ punctul de mijloc dintre diametrul major (v\u00e2rfurile) \u0219i diametrul minor (v\u0103ile) ale fileturilor. \u0218urubul este \u201erulat\u201d printr-un set de matri\u021be de filetare care deplaseaz\u0103 o\u021belul \u0219i formeaz\u0103 firele. Rezultatul final este un dispozitiv de fixare cu o por\u021biune filetat\u0103 cu diametrul complet de 1 inch, dar cu diametrul corpului redus (.912). Filetarea cu role este un proces extrem de eficient \u0219i adesea are ca rezultat economii semnificative de costuri. Prin urmare, Portland Bolt va rula fire ori de c\u00e2te ori este posibil.<\/p>\n

 <\/p>\n

Din punct de vedere tehnic, orice specifica\u021bie, cu excep\u021bia \u0219uruburilor structurale A325 \u0219i A490, poate fi produs\u0103 cu un corp redus \u0219i filete laminate.<\/p>\n

 <\/p>\n

Un \u0219urub cu un corp redus va fi mai slab dec\u00e2t un \u0219urub cu un corp de dimensiune complet\u0103.<\/p>\n

Cea mai slab\u0103 zon\u0103 a oric\u0103rui element de fixare mecanic este diametrul minor al firelor. Deoarece dimensiunile firului t\u0103iat \u0219i ale dispozitivului de fixare a firului rulat sunt identice, nu exist\u0103 absolut nicio diferen\u021b\u0103 de rezisten\u021b\u0103. De fapt, s-ar putea sus\u021bine c\u0103 \u00eent\u0103rirea prin munc\u0103 care are loc \u00een timpul procesului de filetare cu rol\u0103 poate chiar face elementul de fixare cu fire laminate mai puternic. \u00cen plus, filetarea t\u0103iat\u0103 \u00eentrerupe structura natural\u0103 a granulelor barei rotunde, \u00een timp ce filetarea cu rol\u0103 o reformeaz\u0103. S-ar putea argumenta din nou c\u0103 t\u0103ierea \u00een boabele unei bare rotunde la t\u0103ierea filetului poate produce fire care au o integritate structural\u0103 mai mic\u0103 dec\u00e2t o pies\u0103 care a fost filetat\u0103 cu rol\u0103.<\/p>\n

Avantajele filet\u0103rii cu role<\/i><\/em><\/p>\n

    \n
  1. Timp de munc\u0103 semnificativ mai scurt \u00eenseamn\u0103 costuri mai mici.<\/li>\n
  2. Deoarece un \u0219urub filetat cu rol\u0103 are un diametru al corpului mai mic, c\u00e2nt\u0103re\u0219te mai pu\u021bin dec\u00e2t corpul complet. Aceast\u0103 reducere a greut\u0103\u021bii reduce costurile o\u021belului, galvaniz\u0103rii, tratarii termice, placare, transport \u0219i orice alte costuri asociate elementului de fixare care se bazeaz\u0103 pe greutate.<\/li>\n
  3. Prelucrarea la rece face firele mai rezistente la deteriorare \u00een timpul manipul\u0103rii.<\/li>\n
  4. Firele laminate sunt adesea mai netede datorit\u0103 efectului de lustruire al opera\u021biei de rulare.<\/li>\n<\/ol>\n

    \u00a0<\/i><\/em><\/p>\n

    Dezavantajele filet\u0103rii cu role<\/i><\/em><\/p>\n

      \n
    1. Disponibilitatea barei rotunde cu diametrul pasului este limitat\u0103 pentru anumite tipuri de materiale.<\/li>\n<\/ol>\n

      \u00a0<\/i><\/em><\/p>\n

      \u00a0<\/i><\/em><\/p>\n

      T\u0103ia\u021bi fire<\/b><\/strong><\/h3>\n

      Filetarea t\u0103iat\u0103 este un proces prin care o\u021belul este t\u0103iat sau \u00eendep\u0103rtat fizic dintr-o bar\u0103 rotund\u0103 de o\u021bel pentru a forma firele. Un \u0219urub cu diametrul de 1 inch, de exemplu, este produs prin t\u0103ierea filetelor \u00eentr-un corp complet de diametru de 1 inch al \u0219urubului.<\/p>\n

      Avantajele filetului t\u0103iat<\/i><\/em><\/p>\n

        \n
      1. Pu\u021bine limit\u0103ri \u00een ceea ce prive\u0219te diametrul \u0219i lungimea filetului.<\/li>\n
      2. Toate specifica\u021biile pot fi fabricate cu fire t\u0103iate.<\/li>\n<\/ol>\n

         <\/p>\n

        Dezavantajele filet\u0103rii t\u0103iate<\/i><\/em><\/p>\n

        Perioadele de munc\u0103 semnificativ mai lungi \u00eenseamn\u0103 costuri mai mari.<\/p>","protected":false},"excerpt":{"rendered":"

        Threads of a mechanical fastener, regardless of whether it is a\u00a0headed bolt,\u00a0rod, or\u00a0bent bolt, can be produced by either cutting or rolling. The differences, misconceptions, advantages, and disadvantages of each method are described below. Rolled Threads Roll threading is a process by which steel is extruded to form the threaded portion of a fastener, instead [\u2026]<\/p>","protected":false},"author":1,"featured_media":335,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-807","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical"],"acf":[],"yoast_head":"\nWhat is the difference between a bolt with rolled threads and one with cut threads? - HANDAN YANLANG FASTENER CO., LTD<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ylfastener.com\/ro\/what-is-the-difference-between-a-bolt-with-rolled-threads-and-one-with-cut-threads\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is the difference between a bolt with rolled threads and one with cut threads? - HANDAN YANLANG FASTENER CO., LTD\" \/>\n<meta property=\"og:description\" content=\"Threads of a mechanical fastener, regardless of whether it is a\u00a0headed bolt,\u00a0rod, or\u00a0bent bolt, can be produced by either cutting or rolling. The differences, misconceptions, advantages, and disadvantages of each method are described below. Rolled Threads Roll threading is a process by which steel is extruded to form the threaded portion of a fastener, instead […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ylfastener.com\/ro\/what-is-the-difference-between-a-bolt-with-rolled-threads-and-one-with-cut-threads\/\" \/>\n<meta property=\"og:site_name\" content=\"HANDAN YANLANG FASTENER CO., LTD\" \/>\n<meta property=\"article:published_time\" content=\"2025-01-06T03:24:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-01-06T03:25:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ylfastener.com\/wp-content\/uploads\/2024\/12\/20230220165201267.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"437\" \/>\n\t<meta property=\"og:image:height\" content=\"245\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"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=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Timp estimat pentru citire\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.ylfastener.com\/what-is-the-difference-between-a-bolt-with-rolled-threads-and-one-with-cut-threads\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.ylfastener.com\/what-is-the-difference-between-a-bolt-with-rolled-threads-and-one-with-cut-threads\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\/\/www.ylfastener.com\/#\/schema\/person\/6c326a47e95f6824b65a22ff33f53a9c\"},\"headline\":\"What is the difference between a bolt with rolled threads and one with cut threads?\",\"datePublished\":\"2025-01-06T03:24:37+00:00\",\"dateModified\":\"2025-01-06T03:25:25+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.ylfastener.com\/what-is-the-difference-between-a-bolt-with-rolled-threads-and-one-with-cut-threads\/\"},\"wordCount\":502,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.ylfastener.com\/#organization\"},\"articleSection\":[\"Technical\"],\"inLanguage\":\"ro-RO\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.ylfastener.com\/what-is-the-difference-between-a-bolt-with-rolled-threads-and-one-with-cut-threads\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.ylfastener.com\/what-is-the-difference-between-a-bolt-with-rolled-threads-and-one-with-cut-threads\/\",\"url\":\"https:\/\/www.ylfastener.com\/what-is-the-difference-between-a-bolt-with-rolled-threads-and-one-with-cut-threads\/\",\"name\":\"What is the difference between a bolt with rolled threads and one with cut threads? 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