{"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\/sk\/coarse-threads-vs-fine-threads\/","title":{"rendered":"Hrub\u00e9 nite vs. jemn\u00e9 nite"},"content":{"rendered":"<p>\u010co je lep\u0161ie, hrub\u00e9 nite alebo jemn\u00e9 nite? Toto je v na\u0161ej spolo\u010dnosti \u010dasto po\u010d\u00favan\u00e1 ot\u00e1zka t\u00fdkaj\u00faca sa vlo\u017eiek aj spojovac\u00edch prvkov s vonkaj\u0161\u00edm z\u00e1vitom a zast\u00e1vame n\u00e1zor, \u017ee hrub\u00e9 z\u00e1vity maj\u00fa oproti jemn\u00fdm z\u00e1vitom mnoho v\u00fdhod a v\u00fdhod.<\/p>\n<h2><strong><b>Hrub\u00e9 nite<\/b><\/strong><\/h2>\n<p>Hrub\u00e9 nite s\u00fa odolnej\u0161ie a maj\u00fa v\u00e4\u010d\u0161iu odolnos\u0165 proti odizolovaniu a kr\u00ed\u017eeniu z\u00e1vitov. V\u00fd\u0161ka ka\u017ed\u00e9ho z\u00e1vitu je v\u00e4\u010d\u0161ia ako zodpovedaj\u00faceho jemn\u00e9ho z\u00e1vitu, tak\u017ee medzi ka\u017ed\u00fdm z\u00e1vitom je viac materi\u00e1lu, v\u010faka \u010domu je z\u00e1ber bokov v\u00e4\u010d\u0161\u00ed.<\/p>\n<p>Hrub\u00e9 nite s\u00fa menej n\u00e1chyln\u00e9 na po\u0161kriabanie alebo po\u0161kodenie, tak\u017ee sa s nimi nemus\u00ed \u201enar\u00e1ba\u0165 opatrne\u201c ako s jemn\u00fdmi ni\u0165ami. Z\u00e1rez do jemn\u00e9ho z\u00e1vitu m\u00f4\u017ee sp\u00f4sobova\u0165 v\u00e4\u010d\u0161\u00ed probl\u00e9m \u00famerne kv\u00f4li plytkosti z\u00e1vitu, napr. clonenie alebo mont\u00e1\u017e.<\/p>\n<p>Spojovacie prvky s hrub\u00fdm z\u00e1vitom sa in\u0161taluj\u00fa ove\u013ea r\u00fdchlej\u0161ie ako spojovacie prvky s jemn\u00fdm z\u00e1vitom. 1\/2\u201d-13\u00a0UNC\u00a0skrutka sa zmontuje za 651 TP3T \u010dasu, ktor\u00fd by potrebovalo zostavi\u0165 1\/2\u201d-20UNF\u00a0skrutku. Skrutka 1\/2\u201d-20UNF sa posunie o jeden palec za 20 ot\u00e1\u010dok, zatia\u013e \u010do skrutka 1\/2\u201d-13UNC sa posunie o jeden palec iba za 13 ot\u00e1\u010dok.<\/p>\n<p>Hrub\u00e9 z\u00e1vity nie s\u00fa tak ovplyvnen\u00e9 nahromaden\u00edm pokovovania ako jemn\u00e9 z\u00e1vity. Rovnak\u00e9 mno\u017estvo pokovovania na hrubej nite by spotrebovalo v\u00e4\u010d\u0161ie mno\u017estvo pr\u00eddavku na pokovovanie na jemnej nite. Jemn\u00e9 z\u00e1vity maj\u00fa viac probl\u00e9mov s kalibrovan\u00edm a mont\u00e1\u017eou v d\u00f4sledku nahromadenia pokovovania ako hrub\u00e9 z\u00e1vity, preto\u017ee medzi ka\u017ed\u00fdm bokom z\u00e1vitu je menej materi\u00e1lu.<\/p>\n<p>Pri pou\u017eit\u00ed uzamykac\u00edch vlo\u017eiek alebo in\u00fdch z\u00e1vitov\u00fdch spojovac\u00edch prvkov je u hrub\u00fdch nit\u00ed ove\u013ea men\u0161ia pravdepodobnos\u0165 zadierania ako u jemn\u00fdch nit\u00ed. Jemn\u00e9 z\u00e1vity maj\u00fa viac ot\u00e1\u010dok, ako sme diskutovali vy\u0161\u0161ie, a to v spojen\u00ed s men\u0161\u00edm priemerom st\u00fapania jemn\u00fdch z\u00e1vitov zvy\u0161uje tendenciu jemn\u00fdch z\u00e1vitov k odieraniu z\u00e1vitov.<\/p>\n<h2><strong><b>Jemn\u00e9 vl\u00e1kna<\/b><\/strong><\/h2>\n<p>Skrutky s jemn\u00fdm z\u00e1vitom s\u00fa pevnej\u0161ie ako zodpovedaj\u00face skrutky s hrub\u00fdm z\u00e1vitom rovnakej tvrdosti. Je to tak v \u0165ahu, ako aj v \u0161myku v d\u00f4sledku skrutiek s jemn\u00fdm z\u00e1vitom, ktor\u00e9 maj\u00fa o nie\u010do v\u00e4\u010d\u0161iu oblas\u0165 \u0165ahov\u00e9ho nap\u00e4tia a men\u0161\u00ed priemer.<\/p>\n<p>Jemn\u00e9 z\u00e1vity maj\u00fa men\u0161iu tendenciu uvo\u013e\u0148ova\u0165 sa pri vibr\u00e1ci\u00e1ch, preto\u017ee maj\u00fa men\u0161\u00ed uhol skrutkovice ako hrub\u00e9 z\u00e1vity. Cievky \u00fachopu vlo\u017eky s jemn\u00fdm z\u00e1vitom s\u00fa pru\u017enej\u0161ie ako vlo\u017eky s hrub\u00fdm z\u00e1vitom zodpovedaj\u00facej ve\u013ekosti \u00fachopu a je menej pravdepodobn\u00e9, \u017ee sa zachytia v podmienkach vibr\u00e1ci\u00ed.<\/p>\n<p>Jemn\u00e9 z\u00e1vity v\u010faka ich jemnej\u0161iemu st\u00fapaniu umo\u017e\u0148uj\u00fa jemnej\u0161ie nastavenie v aplik\u00e1ci\u00e1ch, ktor\u00e9 t\u00fato charakteristiku vy\u017eaduj\u00fa.<\/p>\n<p>Jemn\u00e9 z\u00e1vity je mo\u017en\u00e9 \u013eah\u0161ie reza\u0165 do \u0165a\u017eko z\u00e1vitovate\u013en\u00fdch materi\u00e1lov a tenkostenn\u00fdch \u010dast\u00ed.<\/p>\n<p>Jemn\u00e9 z\u00e1vity vy\u017eaduj\u00fa men\u0161\u00ed u\u0165ahovac\u00ed moment na vytvorenie ekvivalentn\u00e9ho predp\u00e4tia zodpovedaj\u00facim ve\u013ekostiam skrutiek s hrub\u00fdm z\u00e1vitom.<\/p>\n<h2><strong><b>Zhrnutie<\/b><\/strong><\/h2>\n<p>Norm\u00e1lne je pre v\u00e4\u010d\u0161inu priemyseln\u00fdch aplik\u00e1ci\u00ed \u0161pecifikovan\u00fd hrub\u00fd z\u00e1vit, pokia\u013e neexistuje presved\u010div\u00fd d\u00f4vod, pre\u010do tak neurobi\u0165. Vojensk\u00e9 a leteck\u00e9 aplik\u00e1cie vo v\u0161eobecnosti pou\u017e\u00edvaj\u00fa hrub\u00e9 nite na ve\u013ekosti 8-32 a men\u0161ie. Na metrick\u00fdch spojovac\u00edch prvkoch sa vo v\u0161eobecnosti naj\u010dastej\u0161ie pou\u017e\u00edvaj\u00fa hrub\u00e9 ve\u013ekosti, pri\u010dom jemnej\u0161ie rozstupy s\u00fa menej dostupn\u00e9.<\/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\/sk\/coarse-threads-vs-fine-threads\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\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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