{"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\/et\/what-is-the-difference-between-a-bolt-with-rolled-threads-and-one-with-cut-threads\/","title":{"rendered":"Mis vahe on rullkeermega poldi ja l\u00f5igatud keermega poldi vahel?"},"content":{"rendered":"

Mehaanilise kinnitusvahendi keermed, olenemata sellest, kas see on a\u00a0peaga polt<\/u>,\u00a0varras<\/u>, v\u00f5i\u00a0pood sees<\/u>, saab toota kas l\u00f5ikamise v\u00f5i rullimise teel. Allpool kirjeldatakse iga meetodi erinevusi, v\u00e4\u00e4rarusaamu, eeliseid ja puudusi.<\/p>\n

Rullitud niidid<\/b><\/strong><\/h3>\n

Rullkeermestamine on protsess, mille k\u00e4igus teras pressitakse v\u00e4lja, et moodustada kinnitusdetaili keermestatud osa, selle asemel, et seda eemaldada nagu l\u00f5igatud keermestamisel. Selle protsessi k\u00e4igus valmistatakse polt v\u00e4hendatud l\u00e4bim\u00f5\u00f5duga \u00fcmarvardast. N\u00e4iteks 1-tollise l\u00e4bim\u00f5\u00f5duga polt on valmistatud 0,912-tollise l\u00e4bim\u00f5\u00f5duga \u00fcmarvardast. See \"sammu l\u00e4bim\u00f5\u00f5du\" materjal on ligikaudu keskpunkt keermete suurema l\u00e4bim\u00f5\u00f5du (tiigid) ja v\u00e4iksema l\u00e4bim\u00f5\u00f5du (orud) vahel. Polt \"rullitakse\" l\u00e4bi keermestusstantside komplekti, mis nihutab terast ja moodustab keermed. L\u00f5pptulemuseks on t\u00e4is 1-tollise l\u00e4bim\u00f5\u00f5duga keermestatud osa, kuid v\u00e4hendatud korpuse l\u00e4bim\u00f5\u00f5duga kinnitus (0,912). Rullkeermestamine on \u00e4\u00e4rmiselt t\u00f5hus protsess ja annab sageli m\u00e4rkimisv\u00e4\u00e4rse kulude kokkuhoiu. Seet\u00f5ttu rullib Portland Bolt niite igal v\u00f5imalusel.<\/p>\n

 <\/p>\n

Tehniliselt saab k\u00f5iki spetsifikatsioone, v\u00e4lja arvatud A325 ja A490 konstruktsioonipoldid, toota v\u00e4hendatud korpuse ja valtsitud keermetega.<\/p>\n

 <\/p>\n

V\u00e4hendatud korpusega polt on n\u00f5rgem kui t\u00e4issuuruses korpusega polt.<\/p>\n

Iga mehaanilise kinnitusvahendi n\u00f5rgim ala on keermete v\u00e4ike l\u00e4bim\u00f5\u00f5t. Kuna l\u00f5igatud niidi ja valtsitud keerme kinnitusdetaili keerme m\u00f5\u00f5tmed on identsed, pole tugevuse erinevust. V\u00f5ib tegelikult v\u00e4ita, et rullkeermestamise k\u00e4igus tekkiv t\u00f6\u00f6k\u00f5venemine v\u00f5ib rullkeermega kinnitusdetaili isegi tugevamaks muuta. Lisaks katkestab l\u00f5igatud keermestamine \u00fcmarlati loomuliku terastruktuuri, rullkeermestamine aga muudab seda. Taas v\u00f5ib v\u00e4ita, et \u00fcmmarguse varda tera sisse l\u00f5ikamine l\u00f5igates keermestamise v\u00f5ib tekitada niidid, millel on v\u00e4iksem struktuurne terviklikkus kui rullkeermega osal.<\/p>\n

Rullkeermestamise eelised<\/i><\/em><\/p>\n

    \n
  1. Oluliselt l\u00fchem t\u00f6\u00f6aeg t\u00e4hendab v\u00e4iksemaid kulusid.<\/li>\n
  2. Kuna rullkeermega poldi korpuse l\u00e4bim\u00f5\u00f5t on v\u00e4iksem, kaalub see v\u00e4hem kui t\u00e4iskerega. See kaalu v\u00e4hendamine v\u00e4hendab terase, galvaniseerimise, kuumt\u00f6\u00f6tlemise, plaadistamise, veo- ja muid kulusid, mis on seotud kinnitusdetailidega, mis p\u00f5hinevad kaalul.<\/li>\n
  3. K\u00fclmt\u00f6\u00f6tlemine muudab niidid k\u00e4sitsemise ajal kahjustustele vastupidavamaks.<\/li>\n
  4. Valtsitud niidid on sageli siledamad t\u00e4nu valtsimistoimingu poleerimisefektile.<\/li>\n<\/ol>\n

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

    Rullkeermestamise miinused<\/i><\/em><\/p>\n

      \n
    1. Sammu l\u00e4bim\u00f5\u00f5duga \u00fcmarlati saadavus on teatud materjaliklasside puhul piiratud.<\/li>\n<\/ol>\n

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

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

      L\u00f5ika niidid<\/b><\/strong><\/h3>\n

      L\u00f5igatud keermestamine on protsess, mille k\u00e4igus teras l\u00f5igatakse \u00fcmmarguse terasvarda k\u00fcljest lahti v\u00f5i f\u00fc\u00fcsiliselt eemaldatakse niitide moodustamiseks. N\u00e4iteks 1-tollise l\u00e4bim\u00f5\u00f5duga polt saadakse keermete l\u00f5ikamisel kogu 1-tollise l\u00e4bim\u00f5\u00f5duga poldi korpusesse.<\/p>\n

      L\u00f5igatud keermestamise eelised<\/i><\/em><\/p>\n

        \n
      1. V\u00e4hesed piirangud l\u00e4bim\u00f5\u00f5du ja keerme pikkuse osas.<\/li>\n
      2. K\u00f5iki spetsifikatsioone saab valmistada l\u00f5igatud keermega.<\/li>\n<\/ol>\n

         <\/p>\n

        L\u00f5igatud keermestamise puudused<\/i><\/em><\/p>\n

        Oluliselt pikem t\u00f6\u00f6aeg t\u00e4hendab suuremaid kulusid.<\/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\/et\/what-is-the-difference-between-a-bolt-with-rolled-threads-and-one-with-cut-threads\/\" \/>\n<meta property=\"og:locale\" content=\"et_EE\" \/>\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\/et\/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 minutit\" \/>\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\":\"et\",\"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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