{"id":816,"date":"2025-01-06T03:28:04","date_gmt":"2025-01-06T03:28:04","guid":{"rendered":"https:\/\/www.ylfastener.com\/?p=816"},"modified":"2025-01-06T03:28:04","modified_gmt":"2025-01-06T03:28:04","slug":"coarse-threads-vs-fine-threads","status":"publish","type":"post","link":"https:\/\/www.ylfastener.com\/nb\/coarse-threads-vs-fine-threads\/","title":{"rendered":"Grove tr\u00e5der vs. fine tr\u00e5der"},"content":{"rendered":"<p>Hva er bedre, grove eller fine tr\u00e5der? Dette er et ofte h\u00f8rt sp\u00f8rsm\u00e5l hos selskapet v\u00e5rt i forhold til b\u00e5de innsatser og hanngjengede festemidler, og det er v\u00e5r oppfatning at grove gjenger har mange fordeler og fordeler fremfor fine gjenger.<\/p>\n<h2><strong><b>Grove tr\u00e5der<\/b><\/strong><\/h2>\n<p>Grove tr\u00e5der er mer slitesterke og har st\u00f8rre motstand mot stripping og kryssgjenging. H\u00f8yden p\u00e5 hver tr\u00e5d er st\u00f8rre enn den tilsvarende fine tr\u00e5den, s\u00e5 det er mer materiale mellom hver tr\u00e5d, noe som gj\u00f8r flankeinngrepet st\u00f8rre.<\/p>\n<p>Grove tr\u00e5der er mindre utsatt for hakk eller skader, s\u00e5 de trenger ikke \u00e5 \"h\u00e5ndteres med forsiktighet\" like mye som fine tr\u00e5der. Et hakk til en fin tr\u00e5d kan for\u00e5rsake st\u00f8rre problemer proporsjonalt p\u00e5 grunn av den grunne tr\u00e5den, f.eks. gaging eller montering.<\/p>\n<p>Grovgjengede festemidler installeres mye raskere enn fingjengede festemidler. En\u00a01\/2\u201d-13\u00a0UNC\u00a0bolt monteres i 65% av tiden det ville ta \u00e5 montere en\u00a01\/2\u201d-20UNF\u00a0bolt. 1\/2\"-20UNF\u00a0bolten g\u00e5r \u00e9n tomme p\u00e5 20 omdreininger, mens 1\/2\u201d-13UNC\u00a0bolten g\u00e5r \u00e9n tomme frem p\u00e5 bare 13 omdreininger.<\/p>\n<p>Grove tr\u00e5der p\u00e5virkes ikke like mye av plettering som fine tr\u00e5der. Samme mengde plettering p\u00e5 en grov tr\u00e5d vil bruke opp en st\u00f8rre mengde av pletteringsgodtgj\u00f8relsen p\u00e5 en fin tr\u00e5d. Fine gjenger opplever flere gaging- og monteringsproblemer p\u00e5 grunn av plettering enn grove gjenger, da det er mindre materiale mellom hver gjengeflanke.<\/p>\n<p>N\u00e5r du bruker l\u00e5seinnsatser eller andre skruefester, er det mye mindre sannsynlighet for at grove gjenger opplever gnaging enn fine gjenger. Fine gjenger har flere rotasjoner som vi diskuterte tidligere, og dette kombinert med de tettere stigningsdiametertilpasningene til fine gjenger \u00f8ker tendensen til at fine gjenger opplever at gjenger gnager.<\/p>\n<h2><strong><b>Fine tr\u00e5der<\/b><\/strong><\/h2>\n<p>Fingjengede bolter er sterkere enn de tilsvarende grovgjengede boltene med samme hardhet. Dette er b\u00e5de i strekk og skj\u00e6rkraft p\u00e5 grunn av at de fingjengede boltene har et litt st\u00f8rre strekkspenningsomr\u00e5de og mindre diameter.<\/p>\n<p>Fine gjenger har mindre tendens til \u00e5 l\u00f8sne under vibrasjon p\u00e5 grunn av at de har en mindre spiralvinkel enn grove gjenger. Fintr\u00e5d L\u00e5sing Innsatsgrepspoler er mer fleksible enn grepspoler med tilsvarende st\u00f8rrelse for grovgjengeinnsatser, og det er mindre sannsynlig at de tar et sett under vibrasjonsforhold.<\/p>\n<p>Fine gjenger p\u00e5 grunn av deres finere stigning tillater finere justeringer i de bruksomr\u00e5dene som trenger denne egenskapen.<\/p>\n<p>Fine tr\u00e5der kan lettere bankes inn i materialer som er vanskelige \u00e5 banke, og tynnveggede seksjoner.<\/p>\n<p>Fine gjenger krever mindre tiltrekkingsmoment for \u00e5 utvikle tilsvarende forspenninger til tilsvarende grovgjengeboltst\u00f8rrelser.<\/p>\n<h2><strong><b>Sammendrag<\/b><\/strong><\/h2>\n<p>Normalt er en grov gjenge spesifisert for de fleste industrielle bruksomr\u00e5der med mindre det er en overbevisende grunn til \u00e5 ikke gj\u00f8re det. Milit\u00e6re og romfartsapplikasjoner bruker generelt grove gjenger i st\u00f8rrelsene 8-32 og mindre. P\u00e5 metriske festemidler er generelt de grove st\u00f8rrelsene de mest brukte, mens de finere toningene er mindre tilgjengelige.<\/p>","protected":false},"excerpt":{"rendered":"<p>Which is better, coarse threads or fine threads? This is a frequently heard question at our company\u00a0relative to both inserts and male threaded fasteners, and it is our opinion that coarse threads have many advantages and benefits over fine threads. Coarse Threads Coarse threads are more durable and have greater resistance to stripping and cross-threading. [\u2026]<\/p>","protected":false},"author":1,"featured_media":340,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-816","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.11 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Coarse Threads vs. Fine 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\/coarse-threads-vs-fine-threads\/\" \/>\n<meta property=\"og:locale\" content=\"nb_NO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Coarse Threads vs. Fine Threads - HANDAN YANLANG FASTENER CO., LTD\" \/>\n<meta property=\"og:description\" content=\"Which is better, coarse threads or fine threads? This is a frequently heard question at our company\u00a0relative to both inserts and male threaded fasteners, and it is our opinion that coarse threads have many advantages and benefits over fine threads. Coarse Threads Coarse threads are more durable and have greater resistance to stripping and cross-threading. 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