{"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\/nb\/what-is-the-difference-between-a-bolt-with-rolled-threads-and-one-with-cut-threads\/","title":{"rendered":"Hva er forskjellen mellom en bolt med rullet gjenger og en med kuttet gjenger?"},"content":{"rendered":"

Gjenger av et mekanisk feste, uavhengig av om det er en\u00a0hodebolt<\/u>,\u00a0stang<\/u>, eller\u00a0handle inne<\/u>, kan produseres ved enten kutting eller valsing. Forskjellene, misoppfatningene, fordelene og ulempene ved hver metode er beskrevet nedenfor.<\/p>\n

Rullede tr\u00e5der<\/b><\/strong><\/h3>\n

Rulltrening er en prosess der st\u00e5l ekstruderes for \u00e5 danne den gjengede delen av et festemiddel, i stedet for \u00e5 bli fjernet som ved kuttet gjenging. I denne prosessen produseres en bolt av en rundstang med redusert diameter. For eksempel er en bolt med en diameter p\u00e5 1 tommer laget av en rundstang med en diameter p\u00e5 0,912 tommer. Dette materialet med \"stigningsdiameter\" er omtrent midtpunktet mellom hoveddiameteren (topper) og mindre diameter (daler) til gjengene. Bolten \"rulles\" gjennom et sett med gjengedyser som forskyver st\u00e5let og danner gjengene. Sluttresultatet er et festemiddel med en gjenget del p\u00e5 hele 1\" diameter, men en redusert kroppsdiameter (0,912). Rulltrening er en ekstremt effektiv prosess og resulterer ofte i betydelige kostnadsbesparelser. Derfor vil Portland Bolt rulle tr\u00e5der n\u00e5r det er mulig.<\/p>\n

 <\/p>\n

Teknisk sett kan enhver spesifikasjon med unntak av A325 og A490 strukturelle bolter produseres med redusert kropp og rullede gjenger.<\/p>\n

 <\/p>\n

En bolt med redusert kropp vil v\u00e6re svakere enn en bolt med kropp i full st\u00f8rrelse.<\/p>\n

Det svakeste omr\u00e5det av et mekanisk feste er den mindre diameteren p\u00e5 gjengene. Siden tr\u00e5ddimensjonene til en kuttet tr\u00e5d og en rullet tr\u00e5dfeste er identiske, er det absolutt ingen forskjell i styrke. Man kan faktisk argumentere for at arbeidsherdingen som oppst\u00e5r under rulletreningsprosessen til og med kan gj\u00f8re festeanordningen med valsede tr\u00e5der sterkere. I tillegg avbryter kuttet tr\u00e5ding den naturlige kornstrukturen til rundstangen, mens rulletreing reformerer den. Man kan igjen argumentere for at skj\u00e6ring i kornene til en rundstang ved kuttet gjenging kan produsere gjenger som har mindre strukturell integritet enn en del som har blitt rullegjenget.<\/p>\n

Fordeler med rulletr\u00e5ding<\/i><\/em><\/p>\n

    \n
  1. Vesentlig kortere arbeidstid betyr lavere kostnader.<\/li>\n
  2. Fordi en rullegjenget bolt har en mindre kroppsdiameter, veier den mindre enn dens fullkropp. Denne vektreduksjonen reduserer kostnadene for st\u00e5l, galvanisering, varmebehandling, plettering, frakt og alle andre kostnader forbundet med festemiddelet som er basert p\u00e5 vekt.<\/li>\n
  3. Kaldbearbeiding gj\u00f8r gjengene mer motstandsdyktige mot skade under h\u00e5ndtering.<\/li>\n
  4. Valsede tr\u00e5der er ofte jevnere p\u00e5 grunn av den polerende effekten av rulleoperasjonen.<\/li>\n<\/ol>\n

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

    Ulemper med rulletr\u00e5ding<\/i><\/em><\/p>\n

      \n
    1. Tilgjengeligheten av rundstang med stigningsdiameter er begrenset for visse materialkvaliteter.<\/li>\n<\/ol>\n

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

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

      Klipp tr\u00e5der<\/b><\/strong><\/h3>\n

      Cut threading er en prosess der st\u00e5l kuttes bort, eller fysisk fjernes, fra en rund st\u00e5lstang for \u00e5 danne gjengene. En bolt p\u00e5 1\" diameter, for eksempel, produseres ved \u00e5 kutte gjenger inn i en hel 1\" diameter p\u00e5 bolten.<\/p>\n

      Fordeler med Cut Threading<\/i><\/em><\/p>\n

        \n
      1. F\u00e5 begrensninger med hensyn til diameter og gjengelengde.<\/li>\n
      2. Alle spesifikasjoner kan produseres med kuttet gjenger.<\/li>\n<\/ol>\n

         <\/p>\n

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

        Betydelig lengre arbeidstid betyr h\u00f8yere kostnader.<\/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\/nb\/what-is-the-difference-between-a-bolt-with-rolled-threads-and-one-with-cut-threads\/\" \/>\n<meta property=\"og:locale\" content=\"nb_NO\" \/>\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\/nb\/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=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\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\":\"nb-NO\",\"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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