{"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\/et\/coarse-threads-vs-fine-threads\/","title":{"rendered":"J\u00e4medad niidid vs peened niidid"},"content":{"rendered":"<p>Kumb on parem, j\u00e4medad v\u00f5i peened niidid? See on meie ettev\u00f5ttes sageli kuuldud k\u00fcsimus nii siset\u00fckkide kui ka v\u00e4liskeermega kinnitusdetailide kohta ning meie arvates on j\u00e4medatel niitidel palju eeliseid ja eeliseid v\u00f5rreldes peenkeermega.<\/p>\n<h2><strong><b>J\u00e4medad niidid<\/b><\/strong><\/h2>\n<p>J\u00e4medad niidid on vastupidavamad ja neil on suurem vastupidavus eemaldamisele ja ristkeermele. Iga keerme k\u00f5rgus on suurem kui vastav peen niit, nii et iga keerme vahel on rohkem materjali, mis muudab k\u00fclje haardumise paremaks.<\/p>\n<p>J\u00e4medad niidid on v\u00e4hem vastuv\u00f5tlikud s\u00e4lgudele v\u00f5i kahjustustele, seega ei pea neid nii ettevaatlikult k\u00e4sitsema kui peeneid niite. Peenele niidile j\u00e4\u00e4v s\u00e4lg v\u00f5ib proportsionaalselt rohkem probleeme tekitada keerme madaluse t\u00f5ttu, nt. m\u00f5\u00f5tmine v\u00f5i kokkupanek.<\/p>\n<p>J\u00e4mekeermega kinnitusdetailid paigaldatakse palju kiiremini kui peenkeermega kinnitusdetailid. 1\/2\u201d-13 UNC-polt monteeritakse kokku 65% ajast, mis kulub 1\/2\u201d-20UNF-poldi kokkupanemiseks. 1\/2\u201d-20UNF-polt liigub 20 p\u00f6\u00f6rdega \u00fche tolli edasi, 1\/2\u201d-13UNC-polt aga 13 p\u00f6\u00f6rdega \u00fche tolli edasi.<\/p>\n<p>Pinnase kogunemine ei m\u00f5juta j\u00e4medaid niite nii palju kui peeneid keermeid. J\u00e4meda keerme plaadistuse sama kogus kulutaks peenel niidil \u00e4ra suurema osa kattevarust. Peenkeermetel on plaadistuse kogunemise t\u00f5ttu rohkem m\u00f5\u00f5du- ja montaa\u017eiprobleeme kui j\u00e4medate keermete puhul, kuna iga keerme k\u00fclje vahel on v\u00e4hem materjali.<\/p>\n<p>Lukustusdetailide v\u00f5i muude keermestatud kinnitusdetailide kasutamisel tekivad j\u00e4medad niidid palju v\u00e4iksema t\u00f5en\u00e4osusega kui peened niidid. Peenkeermetel on rohkem p\u00f6\u00f6rdeid, nagu me varem arutasime, ja see koos peenkeerme tihendava sammu l\u00e4bim\u00f5\u00f5duga suurendab peenkeerme kalduvust keerme l\u00f5henemisele.<\/p>\n<h2><strong><b>Peened niidid<\/b><\/strong><\/h2>\n<p>Peenkeermega poldid on tugevamad kui vastavad sama k\u00f5vadusega j\u00e4mekeermega poldid. Seda nii pinges kui ka nihkes, kuna peenkeermega poldid on veidi suurema t\u00f5mbepingeala ja v\u00e4iksema l\u00e4bim\u00f5\u00f5duga.<\/p>\n<p>Peentel niitidel on v\u00e4iksem kalduvus vibratsiooni m\u00f5jul l\u00f5dveneda, kuna neil on v\u00e4iksem spiraalinurk kui j\u00e4medate keermete puhul. Peenkeermega lukustussisendi k\u00e4epideme poolid on paindlikumad kui j\u00e4meda keermega sisestusega vastava suurusega haardepoolid ja need ei l\u00e4he vibratsioonitingimustes kokku.<\/p>\n<p>Peened keermed v\u00f5imaldavad oma peenema sammu t\u00f5ttu t\u00e4psemini reguleerida rakendustes, mis seda omadust vajavad.<\/p>\n<p>Peeneid niite saab h\u00f5lpsamini koputada raskesti koputatavatesse materjalidesse ja \u00f5hukeseseinalistesse osadesse.<\/p>\n<p>Peenkeermed vajavad v\u00e4iksemat pingutusmomenti, et tekitada vastavate j\u00e4mekeermega poltide suurustega samav\u00e4\u00e4rne eelkoormus.<\/p>\n<h2><strong><b>Kokkuv\u00f5te<\/b><\/strong><\/h2>\n<p>Tavaliselt on enamiku t\u00f6\u00f6stuslike rakenduste jaoks ette n\u00e4htud j\u00e4me niit, kui pole veenvat p\u00f5hjust seda mitte teha. S\u00f5ja- ja kosmoserakendustes kasutatakse tavaliselt j\u00e4medaid niite suurustel 8\u201332 ja v\u00e4iksematel. Meetriliste kinnitusdetailide puhul kasutatakse tavaliselt k\u00f5ige sagedamini j\u00e4medaid suurusi, kusjuures peenemad sammud on v\u00e4hem k\u00e4ttesaadavad.<\/p>","protected":false},"excerpt":{"rendered":"<p>Kumb on parem, j\u00e4medad v\u00f5i peened niidid? See on meie ettev\u00f5ttes sageli kuuldud k\u00fcsimus nii siset\u00fckkide kui ka v\u00e4liskeermega kinnitusdetailide kohta ning meie arvates on j\u00e4medatel niitidel palju eeliseid ja eeliseid v\u00f5rreldes peenkeermega. J\u00e4medad niidid J\u00e4medad niidid on vastupidavamad ja neil on suurem vastupanu eemaldamisele ja ristkeermele. [\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\/et\/coarse-threads-vs-fine-threads\/\" \/>\n<meta property=\"og:locale\" content=\"et_EE\" \/>\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? 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