{"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\/da\/what-is-the-difference-between-a-bolt-with-rolled-threads-and-one-with-cut-threads\/","title":{"rendered":"Hvad er forskellen mellem en bolt med rullet gevind og en med sk\u00e5ret gevind?"},"content":{"rendered":"

Gevind af en mekanisk fastg\u00f8relse, uanset om det er en\u00a0hovedbolt<\/u>,\u00a0stang<\/u>, eller\u00a0handle indenfor<\/u>, kan fremstilles ved enten at sk\u00e6re eller rulle. Forskellene, misforst\u00e5elser, fordele og ulemper ved hver metode er beskrevet nedenfor.<\/p>\n

rullede tr\u00e5de<\/b><\/strong><\/h3>\n

Rulletr\u00e5dning er en proces, hvorved st\u00e5l ekstruderes for at danne den gevindsk\u00e5rne del af et fastg\u00f8relseselement, i stedet for at blive fjernet som ved sk\u00e5ret gevind. I denne proces fremstilles en bolt af en rundstang med reduceret diameter. For eksempel er en 1\" diameter bolt fremstillet af 0,912\" diameter rund stang. Dette materiale med \"stigningsdiameter\" er omtrent midtpunktet mellem gevindets st\u00f8rre diameter (toppe) og mindre diameter (dale). Bolten \"rulles\" gennem et s\u00e6t gevindsk\u00e6r, som forskyder st\u00e5let og danner gevindene. Slutresultatet er et fastg\u00f8relseselement med en fuld gevinddel p\u00e5 1\" diameter, men en reduceret kropsdiameter (0,912). Rulletr\u00e5dning er en ekstremt effektiv proces og resulterer ofte i betydelige omkostningsbesparelser. Derfor vil Portland Bolt rulle tr\u00e5de, n\u00e5r det er muligt.<\/p>\n

 <\/p>\n

Teknisk set kan enhver specifikation med undtagelse af A325 og A490 strukturelle bolte fremstilles med reduceret krop og rullet gevind.<\/p>\n

 <\/p>\n

En bolt med en reduceret krop vil v\u00e6re svagere end en bolt med en fuld st\u00f8rrelse krop.<\/p>\n

Det svageste omr\u00e5de af enhver mekanisk fastg\u00f8relse er den lille diameter af gevindene. Da gevinddimensionerne p\u00e5 et afsk\u00e5ret tr\u00e5d og et rullet tr\u00e5dbeslag er identiske, er der absolut ingen forskel i styrke. Man kan faktisk argumentere for, at den arbejdsh\u00e6rdning, der opst\u00e5r under rulletr\u00e5dningsprocessen, endda kan g\u00f8re fastg\u00f8relseselementet med valset gevind st\u00e6rkere. Derudover afbryder sk\u00e6ret gevindsk\u00e6ring den naturlige kornstruktur af rundstangen, mens rulletr\u00e5dning reformerer den. Man kan igen argumentere for, at sk\u00e6ring i kornene p\u00e5 en rundstang, n\u00e5r der sk\u00e6res gevind, kan producere gevind, som har mindre strukturel integritet end en del, der er blevet rullegevind.<\/p>\n

Fordele ved rulletr\u00e5dning<\/i><\/em><\/p>\n

    \n
  1. V\u00e6sentligt kortere arbejdstider betyder lavere omkostninger.<\/li>\n
  2. Fordi en rullegevindbolt har en mindre kropsdiameter, vejer den mindre end dens fulde krop. Denne v\u00e6gtreduktion reducerer omkostningerne til st\u00e5l, galvanisering, varmebehandling, plettering, fragt og alle andre omkostninger forbundet med fastg\u00f8relseselementet, som er baseret p\u00e5 v\u00e6gt.<\/li>\n
  3. Koldbearbejdning g\u00f8r tr\u00e5de mere modstandsdygtige over for beskadigelse under h\u00e5ndtering.<\/li>\n
  4. Valsede tr\u00e5de er ofte glattere p\u00e5 grund af den polerende effekt af rulleoperationen.<\/li>\n<\/ol>\n

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

    Ulemper ved rulletr\u00e5dning<\/i><\/em><\/p>\n

      \n
    1. Tilg\u00e6ngeligheden af rundstang med stigningsdiameter er begr\u00e6nset for visse materialekvaliteter.<\/li>\n<\/ol>\n

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

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

      Klip tr\u00e5de<\/b><\/strong><\/h3>\n

      Cut threading er en proces, hvorved st\u00e5l sk\u00e6res v\u00e6k eller fysisk fjernes fra en rund st\u00e5lstang for at danne gevindene. En 1\" diameter bolt, for eksempel, fremstilles ved at sk\u00e6re gevind ind i en hel 1\" diameter krop af bolten.<\/p>\n

      Fordele ved Cut Threading<\/i><\/em><\/p>\n

        \n
      1. F\u00e5 begr\u00e6nsninger med hensyn til diameter og gevindl\u00e6ngde.<\/li>\n
      2. Alle specifikationer kan fremstilles med sk\u00e5ret gevind.<\/li>\n<\/ol>\n

         <\/p>\n

        Ulemper ved Cut Threading<\/i><\/em><\/p>\n

        Betydelig l\u00e6ngere arbejdstid betyder h\u00f8jere omkostninger.<\/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\/da\/what-is-the-difference-between-a-bolt-with-rolled-threads-and-one-with-cut-threads\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\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\/da\/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=\"Skrevet af\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimeret l\u00e6setid\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutter\" \/>\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\":\"da-DK\",\"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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