{"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\/fi\/what-is-the-difference-between-a-bolt-with-rolled-threads-and-one-with-cut-threads\/","title":{"rendered":"Mit\u00e4 eroa on rullakierteisell\u00e4 pultilla ja leikatulla kierteell\u00e4?"},"content":{"rendered":"

Mekaanisen kiinnikkeen kierteet riippumatta siit\u00e4, onko se a\u00a0p\u00e4\u00e4llinen pultti<\/u>,\u00a0sauva<\/u>, tai\u00a0shoppaile sis\u00e4ll\u00e4<\/u>, voidaan valmistaa joko leikkaamalla tai valssaamalla. Kunkin menetelm\u00e4n erot, v\u00e4\u00e4rink\u00e4sitykset, edut ja haitat kuvataan alla.<\/p>\n

Rullatut langat<\/b><\/strong><\/h3>\n

Rullakierretys on prosessi, jossa ter\u00e4st\u00e4 puristetaan kiinnittimen kierteitetyn osan muodostamiseksi sen sijaan, ett\u00e4 se poistettaisiin kuten leikattaessa. T\u00e4ss\u00e4 prosessissa pultti valmistetaan halkaisijaltaan pienennetyst\u00e4 py\u00f6re\u00e4st\u00e4 tangosta. Esimerkiksi halkaisijaltaan 1 tuuman pultti valmistetaan halkaisijaltaan 0,912 tuuman py\u00f6re\u00e4st\u00e4 tangosta. T\u00e4m\u00e4 \"jaon halkaisija\" -materiaali on suunnilleen kierteiden suurimman halkaisijan (huiput) ja pienemm\u00e4n halkaisijan (laaksot) keskipiste. Pultti \"kierret\u00e4\u00e4n\" kierremuottisarjan l\u00e4pi, joka syrj\u00e4ytt\u00e4\u00e4 ter\u00e4ksen ja muodostaa kierteet. Lopputuloksena on kiinnike, jossa on halkaisijaltaan t\u00e4ysi halkaisijaltaan 1\u2033 kierreosa, mutta pienempi rungon halkaisija (.912). Rullakierteitys on eritt\u00e4in tehokas prosessi ja johtaa usein merkitt\u00e4viin kustannuss\u00e4\u00e4st\u00f6ihin. Siksi Portland Bolt rullaa kierteet aina kun mahdollista.<\/p>\n

 <\/p>\n

Teknisesti mik\u00e4 tahansa spesifikaatio A325 ja A490 rakennepultteja lukuun ottamatta voidaan valmistaa pienemmill\u00e4 rungoilla ja valssatuilla kierteill\u00e4.<\/p>\n

 <\/p>\n

Pienennetyll\u00e4 rungolla varustettu pultti on heikompi kuin t\u00e4ysikokoinen pultti.<\/p>\n

Mink\u00e4 tahansa mekaanisen kiinnittimen heikoin alue on kierteiden pieni halkaisija. Koska leikatun langan ja valssatun kierrekiinnikkeen kierremitat ovat samat, lujuudessa ei ole mit\u00e4\u00e4n eroa. Voidaan itse asiassa v\u00e4itt\u00e4\u00e4, ett\u00e4 telan kierteitysprosessin aikana tapahtuva ty\u00f6karkaisu voi jopa tehd\u00e4 valssatun kierteen kiinnittimest\u00e4 vahvemman. Lis\u00e4ksi katkaistu kierteitys katkaisee py\u00f6re\u00e4n tangon luonnollisen rakerakenteen, kun taas rullakierretys uudistaa sen. Voidaan j\u00e4lleen v\u00e4itt\u00e4\u00e4, ett\u00e4 py\u00f6re\u00e4n tangon rakeen leikkaaminen katkaistussa kierteitt\u00e4misess\u00e4 voi tuottaa kierteit\u00e4, joilla on v\u00e4hemm\u00e4n rakenteellista eheytt\u00e4 kuin osalla, joka on kierretty rullalla.<\/p>\n

Rullalangan edut<\/i><\/em><\/p>\n

    \n
  1. Huomattavasti lyhyemm\u00e4t ty\u00f6ajat merkitsev\u00e4t alhaisempia kustannuksia.<\/li>\n
  2. Koska rullakierteitetyll\u00e4 pultilla on pienempi rungon halkaisija, se painaa v\u00e4hemm\u00e4n kuin t\u00e4ysi runko. T\u00e4m\u00e4 painonpudotus v\u00e4hent\u00e4\u00e4 ter\u00e4ksen kustannuksia, galvanointia, l\u00e4mp\u00f6k\u00e4sittely\u00e4, pinnoitusta, rahtia ja kaikkia muita kiinnikkeeseen liittyvi\u00e4 painoon perustuvia kustannuksia.<\/li>\n
  3. Kylm\u00e4ty\u00f6st\u00f6 tekee kierteist\u00e4 kest\u00e4v\u00e4mpi\u00e4 k\u00e4sittelyn aikana tapahtuville vaurioille.<\/li>\n
  4. Valssatut langat ovat usein sile\u00e4mpi\u00e4 valssauksen kiillotusvaikutuksen vuoksi.<\/li>\n<\/ol>\n

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

    Rullalangan haitat<\/i><\/em><\/p>\n

      \n
    1. Jakohalkaisijaltaan py\u00f6re\u00e4n tangon saatavuus on rajoitettu tietyille materiaalilaaduille.<\/li>\n<\/ol>\n

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

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

      Leikkaa langat<\/b><\/strong><\/h3>\n

      Katkaisukierteitys on prosessi, jolla ter\u00e4s leikataan pois tai poistetaan fyysisesti py\u00f6re\u00e4st\u00e4 ter\u00e4stankosta kierteiden muodostamiseksi. Esimerkiksi halkaisijaltaan 1 tuuman pultti valmistetaan leikkaamalla kierteet koko halkaisijaltaan 1 tuuman pultin runkoon.<\/p>\n

      Katkaisun kierteityksen edut<\/i><\/em><\/p>\n

        \n
      1. Muutama rajoitus koskien halkaisijaa ja kierteen pituutta.<\/li>\n
      2. Kaikki tekniset tiedot voidaan valmistaa katkaistuilla kierteill\u00e4.<\/li>\n<\/ol>\n

         <\/p>\n

        Katkaisun kierteityksen haitat<\/i><\/em><\/p>\n

        Huomattavasti pidemm\u00e4t ty\u00f6ajat merkitsev\u00e4t korkeampia kustannuksia.<\/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\/fi\/what-is-the-difference-between-a-bolt-with-rolled-threads-and-one-with-cut-threads\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\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\/fi\/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=\"Kirjoittanut\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Arvioitu lukuaika\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuuttia\" \/>\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\":\"fi\",\"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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