{"id":3328,"date":"2026-05-14T03:47:32","date_gmt":"2026-05-14T03:47:32","guid":{"rendered":"https:\/\/sprocket-chain.net\/?p=3328"},"modified":"2026-05-14T03:49:39","modified_gmt":"2026-05-14T03:49:39","slug":"double-pitch-vs-standard-roller-chain","status":"publish","type":"post","link":"https:\/\/sprocket-chain.net\/cs\/double-pitch-vs-standard-roller-chain\/","title":{"rendered":"Dvojit\u00fd vs. standardn\u00ed v\u00e1le\u010dkov\u00fd \u0159et\u011bz: Kter\u00fd pou\u017e\u00edt a kdy je na volb\u011b d\u016fle\u017eit\u00e9"},"content":{"rendered":"<div style=\"font-family: 'IBM Plex Sans','Segoe UI',system-ui,sans-serif; color: #1a2332; line-height: 1.78; max-width: 1240px; margin: 0 auto; padding: 0; word-break: break-word; overflow-wrap: break-word; font-size: clamp(14px,1.4vw + 8px,17px);\">\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 HERO \u2014 side-by-side comparison concept \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<div style=\"display: flex; flex-wrap: wrap; min-height: 440px; overflow: hidden;\">\n<p><!-- Dark left panel --><\/p>\n<div style=\"flex: 1; min-width: 280px; background: #111820; display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(32px,5vw,56px) clamp(20px,5vw,52px); box-sizing: border-box; position: relative;\">\n<p><!-- grid overlay --><\/p>\n<div style=\"position: absolute; inset: 0; background-image: linear-gradient(rgba(232,137,10,0.05) 1px,transparent 1px),linear-gradient(90deg,rgba(232,137,10,0.05) 1px,transparent 1px); background-size: 28px 28px; pointer-events: none;\"><\/div>\n<div style=\"position: relative; z-index: 2;\">\n<div style=\"display: inline-block; background: #e8890a; color: #ffffff; padding: 5px 14px; border-radius: 4px; font-size: clamp(10px,1.1vw,12px); font-weight: 800; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 14px;\">Porovn\u00e1n\u00ed produkt\u016f \u00b7 Pr\u016fvodce v\u00fdb\u011brem<\/div>\n<h1 style=\"font-family: 'Barlow Condensed',Arial Narrow,sans-serif; font-size: clamp(28px,4.5vw,62px); font-weight: 800; color: #ffffff; text-transform: uppercase; line-height: 0.95; margin: 0 0 18px 0; letter-spacing: -0.5px;\">Dvojit\u00fd vs. standardn\u00ed v\u00e1le\u010dkov\u00fd \u0159et\u011bz: Kter\u00fd pou\u017e\u00edt a kdy je na volb\u011b d\u016fle\u017eit\u00e9<\/h1>\n<p style=\"color: rgba(255,255,255,0.78); font-size: clamp(13px,1.6vw,17px); margin: 0 0 24px 0; line-height: 1.68; max-width: 520px;\">Dvourozte\u010dn\u00fd \u0159et\u011bz stoj\u00ed m\u00e9n\u011b na metr, v\u00e1\u017e\u00ed m\u00e9n\u011b a b\u011b\u017e\u00ed spr\u00e1vn\u011b na stejn\u00fdch \u0159et\u011bzov\u00fdch kolech jako jeho ekvivalent se standardn\u00ed rozte\u010d\u00ed. Nev\u00fdhodou je omezen\u00ed rychlosti, kter\u00e9 je pro n\u011bkter\u00e9 aplikace rozhoduj\u00edc\u00ed, a pro jin\u00e9 irelevantn\u00ed.<\/p>\n<p><a style=\"display: inline-block; background: #e8890a; color: #ffffff; padding: 13px 28px; border-radius: 6px; font-weight: bold; text-decoration: none; font-size: clamp(13px,1.3vw,15px);\" href=\"#contact\">Ov\u011b\u0159te si spr\u00e1vn\u00fd typ \u0159et\u011bzu pro va\u0161i aplikaci<\/a><\/p>\n<\/div>\n<\/div>\n<p><!-- Image right --><\/p>\n<div style=\"flex: 1; min-width: 260px; min-height: 280px; background-image: url('https:\/\/sprocket-chain.net\/wp-content\/uploads\/2026\/05\/Double-Pitch-Transmission-Chain.webp'); background-size: cover; background-position: center;\"><\/div>\n<\/div>\n<div style=\"padding: clamp(36px,5vw,60px) clamp(20px,5vw,64px);\">\n<p><!-- OPENING --><\/p>\n<p style=\"margin: 0 0 22px 0;\">Dopravn\u00edk pro shroma\u017e\u010fov\u00e1n\u00ed d\u00edl\u016f v z\u00e1vod\u011b na mont\u00e1\u017e elektroniky v Suwonu pou\u017e\u00edval jednopramenn\u00fd \u0159et\u011bz ANSI #60 na nadzemn\u00edm kolejov\u00e9m syst\u00e9mu, kter\u00fd pohyboval sestavami desek plo\u0161n\u00fdch spoj\u016f o hmotnosti 0,8 kg rychlost\u00ed 8 metr\u016f za minutu. \u0158et\u011bz fungoval spolehliv\u011b, ale syst\u00e9m v\u00e1\u017eil v\u00edce, ne\u017e konstrukt\u00e9r zam\u00fd\u0161lel \u2013 \u0159et\u011bz #60 specifikoval hmotnost 0,84 kg\/m na celkov\u00e9m okruhu o d\u00e9lce 28 metr\u016f, co\u017e p\u0159isp\u00edvalo k zat\u00ed\u017een\u00ed nadzemn\u00edho syst\u00e9mu o 23,5 kg. Kdy\u017e byl syst\u00e9m v roce 2023 roz\u0161\u00ed\u0159en o novou produktovou \u0159adu, in\u017een\u00fdr p\u0159ehodnotil specifikaci \u0159et\u011bzu. Rychlost dopravn\u00edku byla 8 m\/min, zat\u00ed\u017een\u00ed na nosi\u010d 0,8 kg a nejdel\u0161\u00ed rozp\u011bt\u00ed 2,4 metru. \u017d\u00e1dn\u00e1 z t\u011bchto hodnot se nebl\u00ed\u017eila limit\u016fm standardn\u00edho \u0159et\u011bzu #60. Specifikoval dvourozte\u010dn\u00fd \u0159et\u011bz #2060 \u2013 stejn\u00fd pr\u016fm\u011br v\u00e1le\u010dk\u016f jako #60, stejn\u00e1 kompatibilita s ozuben\u00fdmi koly, 0,45 kg\/m. Roz\u0161\u00ed\u0159en\u00fd syst\u00e9m u\u0161et\u0159il 37 kg hmotnosti \u0159et\u011bzu, sn\u00ed\u017eil po\u017eadavek na hnac\u00ed motor z 0,75 kW na 0,55 kW a sn\u00ed\u017eil n\u00e1klady na \u0159et\u011bz o 38% bez jak\u00e9hokoli sn\u00ed\u017een\u00ed nosnosti nebo spolehlivosti.<\/p>\n<p style=\"margin: 0 0 22px 0;\">Dvourozte\u010dov\u00fd \u0159et\u011bz je jedn\u00edm z nejm\u00e9n\u011b specifikovan\u00fdch produkt\u016f v katalogu \u0159et\u011bz\u016f pro aplikace, pro kter\u00e9 je nejvhodn\u011bj\u0161\u00ed \u2013 pomal\u00e9, lehk\u00e9 pohony dopravn\u00edk\u016f, kde se standardn\u011b pou\u017e\u00edv\u00e1 \u0159et\u011bz se standardn\u00ed rozte\u010d\u00ed, jednodu\u0161e proto, \u017ee je s n\u00edm specifik\u00e1tor l\u00e9pe obezn\u00e1men. Pochopen\u00ed toho, co p\u0159esn\u011b je dvourozte\u010dov\u00fd \u0159et\u011bz, jak se li\u0161\u00ed od standardn\u00ed rozte\u010de a kde jej omezen\u00ed rychlosti \u010din\u00ed nevhodn\u00fdm, umo\u017e\u0148uje spr\u00e1vnou specifikaci leh\u010d\u00ed a levn\u011bj\u0161\u00ed varianty tam, kde skute\u010dn\u011b funguje.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3146\" src=\"https:\/\/sprocket-chain.net\/wp-content\/uploads\/2026\/05\/sprocket-and-chain-1.webp\" alt=\"ozuben\u00e9 kolo a \u0159et\u011bz 1\" width=\"1448\" height=\"1086\" title=\"\" srcset=\"https:\/\/sprocket-chain.net\/wp-content\/uploads\/2026\/05\/sprocket-and-chain-1.webp 1448w, https:\/\/sprocket-chain.net\/wp-content\/uploads\/2026\/05\/sprocket-and-chain-1-1280x960.webp 1280w, https:\/\/sprocket-chain.net\/wp-content\/uploads\/2026\/05\/sprocket-and-chain-1-980x735.webp 980w, https:\/\/sprocket-chain.net\/wp-content\/uploads\/2026\/05\/sprocket-and-chain-1-480x360.webp 480w\" sizes=\"auto, (min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1448px, 100vw\" \/><br \/>\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 SECTION 2 \u2014 What double-pitch chain is \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(21px,2.8vw,33px); font-weight: bold; color: #1a2332; border-left: 4px solid #e8890a; padding-left: 14px; margin: 52px 0 18px;\">Co je to dvourozte\u010dn\u00fd \u0159et\u011bz \u2013 a co se od n\u011bj neli\u0161\u00ed<\/h2>\n<div style=\"display: flex; flex-wrap: wrap; gap: 0; margin: 0 0 28px 0; border: 1px solid #dde3ea; border-radius: 12px; overflow: hidden;\">\n<p><!-- What IS different --><\/p>\n<div style=\"flex: 1; min-width: 240px; padding: 22px 22px; background: #ffffff; box-sizing: border-box; border-right: 1px solid #dde3ea;\">\n<div style=\"font-family: 'Barlow Condensed',Arial Narrow,sans-serif; font-size: clamp(17px,2vw,22px); font-weight: 800; color: #e8890a; text-transform: uppercase; margin-bottom: 12px; border-bottom: 2px solid #e8890a; padding-bottom: 8px;\">Co JE jin\u00e9<\/div>\n<ul style=\"margin: 0; padding-left: 16px; font-size: clamp(12px,1.3vw,15px); color: #445566; line-height: 1.9;\">\n<li><strong>Rozte\u010d odkazu:<\/strong> P\u0159esn\u011b 2\u00d7 ekvivalentn\u00ed standardn\u00ed rozte\u010d \u0159et\u011bzu (nap\u0159. #2060 = 38,10 mm vs. #60 = 19,05 mm)<\/li>\n<li><strong>D\u00e9lka spojovac\u00ed desky:<\/strong> Ka\u017ed\u00e1 spojovac\u00ed deska se rozprost\u00edr\u00e1 na dvou standardn\u00edch rozte\u010d\u00edch<\/li>\n<li><strong>Hmotnost na metr:<\/strong> P\u0159ibli\u017en\u011b o 40\u201350% m\u00e9n\u011b ne\u017e standardn\u00ed ekvivalent<\/li>\n<li><strong>Cena za metr:<\/strong> P\u0159ibli\u017en\u011b o 30\u201340% m\u00e9n\u011b ne\u017e standardn\u00ed ekvivalent<\/li>\n<li><strong>Po\u010det spoj\u016f na metr:<\/strong> Polovi\u010dn\u00ed po\u010det \u2013 26 kloub\u016f\/m oproti 52 kloub\u016fm\/m u #60<\/li>\n<\/ul>\n<\/div>\n<p><!-- What is NOT different --><\/p>\n<div style=\"flex: 1; min-width: 240px; padding: 22px 22px; background: #f8f9fa; box-sizing: border-box;\">\n<div style=\"font-family: 'Barlow Condensed',Arial Narrow,sans-serif; font-size: clamp(17px,2vw,22px); font-weight: 800; color: #1a5fa8; text-transform: uppercase; margin-bottom: 12px; border-bottom: 2px solid #1a5fa8; padding-bottom: 8px;\">Co se NELI\u0160\u00cd<\/div>\n<ul style=\"margin: 0; padding-left: 16px; font-size: clamp(12px,1.3vw,15px); color: #445566; line-height: 1.9;\">\n<li><strong>Pr\u016fm\u011br v\u00e1lce:<\/strong> Identick\u00e9 se standardn\u00edm ekvivalentem (v\u00e1lec #2060 = v\u00e1lec #60 = 11,91 mm)<\/li>\n<li><strong>Kompatibilita ozuben\u00fdch kol:<\/strong> B\u011b\u017e\u00ed na standardn\u00edch ekvivalentn\u00edch ozuben\u00fdch kolech bez \u00faprav<\/li>\n<li><strong>\u0160\u00ed\u0159ka vnit\u0159n\u00edho \u010dl\u00e1nku:<\/strong> Stejn\u00e9 jako standardn\u00ed \u0159et\u011bz<\/li>\n<li><strong>Pr\u016fm\u011br \u010depu a pouzdra:<\/strong> Stejn\u00e9 jako standardn\u00ed ekvivalent<\/li>\n<li><strong>Minim\u00e1ln\u00ed mezn\u00ed zat\u00ed\u017een\u00ed:<\/strong> V podstat\u011b stejn\u00e9 na jednotku \u0159et\u011bzu (stejn\u00fd pr\u016f\u0159ez)<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p style=\"margin: 0 0 22px 0;\">N\u00e1zev \u201edvojit\u00fd rozte\u010d\u201c se ob\u010das myln\u011b interpretuje jako \u201edvojit\u00e1 pevnost\u201c \u2013 to je nespr\u00e1vn\u00e9. Mezn\u00ed zat\u00ed\u017een\u00ed dvourozte\u010dn\u00e9ho \u0159et\u011bzu na jednotku d\u00e9lky je zhruba stejn\u00e9 jako standardn\u00ed rozte\u010d, nikoli dvojn\u00e1sobn\u00e9. \u010cl\u00e1nkov\u00e9 desti\u010dky maj\u00ed stejn\u00fd pr\u016f\u0159ez. Dvojn\u00e1sobn\u00e1 je pouze rozte\u010d mezi z\u00e1b\u011brn\u00fdmi body (kladkami), co\u017e sni\u017euje po\u010det kloub\u016f na metr \u0159et\u011bzu na polovinu. Proto\u017ee je na metr m\u00e9n\u011b kloub\u016f, je na metr m\u00e9n\u011b kovu (a men\u0161\u00ed hmotnost) a je t\u0159eba udr\u017eovat men\u0161\u00ed mazac\u00ed plochu. Struktur\u00e1ln\u00ed integrita se v dan\u00e9m kontaktn\u00edm bod\u011b v\u00e1le\u010dk\u016f v podstat\u011b nezm\u011bn\u00ed.<\/p>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 SECTION 3 \u2014 Complete comparison table \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(21px,2.8vw,33px); font-weight: bold; color: #1a2332; border-left: 4px solid #e8890a; padding-left: 14px; margin: 52px 0 18px;\">Dvojit\u00e1 vs. standardn\u00ed rozte\u010d: Kompletn\u00ed srovn\u00e1n\u00ed rozm\u011br\u016f a v\u00fdkonu<\/h2>\n<div style=\"overflow-x: auto; width: 100%; margin: 0 0 28px 0;\">\n<table style=\"width: 100%; border-collapse: collapse; font-size: clamp(12px,1.3vw + 7px,14px); min-width: 620px;\">\n<thead>\n<tr>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: left; font-weight: bold; white-space: nowrap;\">Vlastnictv\u00ed<\/th>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: center; font-weight: bold; white-space: nowrap;\">Standardn\u00ed #60<\/th>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: center; font-weight: bold; white-space: nowrap;\">#2060 Dvojit\u00fd rozte\u010d<\/th>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: left; font-weight: bold; white-space: nowrap;\">Praktick\u00e9 d\u016fsledky<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; font-weight: 600;\">H\u0159i\u0161t\u011b<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; text-align: center;\">19,05 mm<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; text-align: center; font-weight: bold; color: #e8890a;\">38,10 mm<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">Dvojit\u00e1 rozte\u010d znamen\u00e1 dvojn\u00e1sobnou d\u00e9lku \u010dl\u00e1nku<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; font-weight: 600;\">Pr\u016fm\u011br v\u00e1lce<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; text-align: center;\">11,91 mm<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; text-align: center; font-weight: bold; color: #27ae60;\">11,91 mm \u2713<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">Identick\u00e9 \u2013 b\u011b\u017e\u00ed na stejn\u00fdch ozuben\u00fdch kolech #60<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; font-weight: 600;\">Vnit\u0159n\u00ed \u0161\u00ed\u0159ka \u010dl\u00e1nku<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; text-align: center;\">12,57 mm<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; text-align: center; font-weight: bold; color: #27ae60;\">12,57 mm \u2713<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">Stejn\u00e1 \u0161\u00ed\u0159ka \u010dela \u0159et\u011bzov\u00e9ho kola je vy\u017eadov\u00e1na<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; font-weight: 600;\">Hmotnost na metr<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; text-align: center;\">0,84 kg\/m\u00b2<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; text-align: center; font-weight: bold; color: #27ae60;\">0,45 kg\/m\u00b2<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; font-weight: 600; color: #27ae60;\">Zapalova\u010d 46% \u2013 sni\u017euje pot\u0159ebn\u00fd v\u00fdkon pohonu<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; font-weight: 600;\">Minim\u00e1ln\u00ed mezn\u00ed zat\u00ed\u017een\u00ed<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; text-align: center;\">31,8 kN<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; text-align: center;\">31,1 kN<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">V podstat\u011b identick\u00e1 struktur\u00e1ln\u00ed kapacita<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; font-weight: 600;\">Spoje na metr<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; text-align: center;\">52.5<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; text-align: center; font-weight: bold; color: #27ae60;\">26.2<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; font-weight: 600; color: #27ae60;\">Polovi\u010dn\u00ed po\u010det bod\u016f opot\u0159eben\u00ed na metr<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; font-weight: 600;\">Maxim\u00e1ln\u00ed praktick\u00e1 rychlost<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; text-align: center;\">~10 m\/s (600 m\/min)<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; text-align: center; font-weight: bold; color: #c0392b;\">~1,0 m\/s (60 m\/min)<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">Nev\u00fdhoda rychlosti 10:1 \u2013 kritick\u00fd kompromis<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; font-weight: 600;\">Polygon\u00e1ln\u00ed efekt u m\u011bni\u010de 19T<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; text-align: center;\">\u00b11,71 TP3T<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; text-align: center; font-weight: bold; color: #c0392b;\">\u00b11,7%, ale p\u0159i ni\u017e\u0161\u00ed rychlosti \u0159et\u011bzu<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">Stejn\u00e1 \u00fahlov\u00e1 variace, ale ni\u017e\u0161\u00ed absolutn\u00ed zvln\u011bn\u00ed rychlosti p\u0159i n\u00edzk\u00e9 rychlosti<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; background: #f8f9fa; font-weight: 600;\">Relativn\u00ed cena za metr<\/td>\n<td style=\"padding: 9px 13px; background: #f8f9fa; text-align: center;\">100%<\/td>\n<td style=\"padding: 9px 13px; background: #f8f9fa; text-align: center; font-weight: bold; color: #27ae60;\">~62%<\/td>\n<td style=\"padding: 9px 13px; background: #f8f9fa; font-weight: 600; color: #27ae60;\">\u00daspora n\u00e1klad\u016f 38% na metr \u0159et\u011bzu<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div style=\"background: #fff8ec; border-left: 4px solid #e8890a; padding: 18px 22px; border-radius: 0 10px 10px 0; margin: 0 0 28px 0;\"><strong style=\"display: block; margin-bottom: 6px;\">Protiintuitivn\u00ed: \u0159et\u011bz s dvojitou rozte\u010d\u00ed nem\u00e1 polovi\u010dn\u00ed nosnost oproti standardn\u00ed rozte\u010di.<\/strong> Proto\u017ee pr\u016fm\u011br v\u00e1le\u010dku, pr\u016fm\u011br \u010depu, pouzdro a pr\u016f\u0159ez \u010dl\u00e1nkov\u00e9 desky jsou shodn\u00e9 s ekvivalentem standardn\u00ed rozte\u010de, je minim\u00e1ln\u00ed mezn\u00ed zat\u00ed\u017een\u00ed na \u0159et\u011bz v podstat\u011b stejn\u00e9. Co \u0159et\u011bzu s dvojitou rozte\u010d\u00ed chyb\u00ed, je <em>po\u010det v\u00e1le\u010dk\u016f na metr<\/em> \u2014 co\u017e je d\u016fle\u017eit\u00e9 pro rychlost (v\u00edce bod\u016f z\u00e1b\u011bru za sekundu = vy\u0161\u0161\u00ed hluk a opot\u0159eben\u00ed p\u0159i rychlosti), ale neovliv\u0148uje nosnost na jednotliv\u00fd z\u00e1b\u011br v\u00e1lce. Zat\u00ed\u017een\u00ed 10 kN na v\u00e1lci #2060 p\u0159edstavuje stejn\u00e9 nam\u00e1h\u00e1n\u00ed jako zat\u00ed\u017een\u00ed 10 kN na v\u00e1lci #60. Rozd\u00edl je v tom, \u017ee p\u0159i rychlosti 600 m\/min se \u0159et\u011bz #2060 zachyt\u00ed o zub \u0159et\u011bzov\u00e9ho kola 26kr\u00e1t na metr dr\u00e1hy \u0159et\u011bzu oproti 52kr\u00e1t u #60 \u2013 dvojn\u00e1sobn\u00e1 frekvence z\u00e1b\u011bru p\u0159i vysok\u00e9 rychlosti vytv\u00e1\u0159\u00ed hluk, vibrace a opot\u0159eben\u00ed, kter\u00e9 omezuje dvojit\u00fd z\u00e1b\u011br na pomal\u00e9 aplikace.<\/div>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 SECTION 4 \u2014 Speed limit explained technically \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(21px,2.8vw,33px); font-weight: bold; color: #1a2332; border-left: 4px solid #e8890a; padding-left: 14px; margin: 52px 0 18px;\">Pro\u010d m\u00e1 dvojit\u00fd \u0159et\u011bz n\u00edzk\u00fd limit rychlosti \u2013 fyzika pravidla 60 m\/min<\/h2>\n<p style=\"margin: 0 0 18px 0;\">Rychlostn\u00ed limit pro dvourozte\u010dn\u00fd \u0159et\u011bz nen\u00ed libovoln\u00fdm doporu\u010den\u00edm v\u00fdrobce \u2013 vypl\u00fdv\u00e1 z fyziky z\u00e1b\u011bru v\u00e1le\u010dk\u016f s \u0159et\u011bzov\u00fdm kolem. Kdy\u017e \u0159et\u011bz zas\u00e1hne zub \u0159et\u011bzov\u00e9ho kola, ka\u017ed\u00fd v\u00e1le\u010dek doraz\u00ed na \u010delo zubu s kinetickou energi\u00ed \u00fam\u011brnou druh\u00e9 mocnin\u011b rychlosti n\u00e1razu. Rychlost n\u00e1razu z\u00e1vis\u00ed na relativn\u00ed rychlosti mezi v\u00e1lcem a \u010delem zubu v okam\u017eiku kontaktu. U standardn\u00edho v\u00e1le\u010dkov\u00e9ho \u0159et\u011bzu souvis\u00ed tato rychlost n\u00e1razu s polygonov\u00fdm efektem \u2013 sinusovou zm\u011bnou rychlosti \u0159et\u011bzu, kdy\u017e ka\u017ed\u00fd \u010dl\u00e1nek sv\u00edr\u00e1 s \u0159et\u011bzov\u00fdm kolem \u00fahel.<\/p>\n<p style=\"margin: 0 0 18px 0;\">Dvourozte\u010dov\u00fd \u0159et\u011bz m\u00e1 stejnou rozte\u010d v\u00e1le\u010dk\u016f jako standardn\u00ed \u2013 ale \u010dl\u00e1nkov\u00e1 desti\u010dka spojuj\u00edc\u00ed po sob\u011b jdouc\u00ed v\u00e1le\u010dky je dvakr\u00e1t del\u0161\u00ed. To znamen\u00e1, \u017ee kdy\u017e v\u00e1le\u010dek zasahuje do \u0159et\u011bzov\u00e9ho kola, p\u0159edchoz\u00ed v\u00e1le\u010dek se nedot\u00fdk\u00e1 \u0159et\u011bzov\u00e9ho kola na druh\u00e9 stran\u011b \u2013 ji\u017e opustil zub o dv\u011b rozte\u010de zp\u011bt. \u0158et\u011bz \u201evis\u00ed\u201c mezi dv\u011bma kontaktn\u00edmi body odd\u011blen\u00fdmi 38,10 mm nam\u00edsto 19,05 mm. Tato dvojn\u00e1sobn\u00e1 d\u00e9lka rozte\u010de znamen\u00e1, \u017ee prov\u011b\u0161en\u00ed \u0159et\u011bzovky nepodep\u0159en\u00e9 \u010d\u00e1sti \u0159et\u011bzu mezi z\u00e1b\u011bry je p\u0159i stejn\u00e9 rychlosti \u010dty\u0159ikr\u00e1t v\u011bt\u0161\u00ed (prov\u011b\u0161en\u00ed se p\u0159i konstantn\u00edm nap\u011bt\u00ed zvy\u0161uje s druhou mocninou d\u00e9lky rozte\u010de). Nad p\u0159ibli\u017en\u011b 60 m\/min toto prov\u011b\u0161en\u00ed vytv\u00e1\u0159\u00ed \u0161lehac\u00ed pohyb na \u010deln\u00ed plo\u0161e zubu \u2013 ka\u017ed\u00fd v\u00e1le\u010dek nedosahuje \u010dist\u011b, ale s bo\u010dn\u00ed slo\u017ekou rychlosti, kter\u00e1 zvy\u0161uje energii n\u00e1razu a zp\u016fsobuje asymetrick\u00e9 opot\u0159eben\u00ed na stran\u00e1ch zubu a bo\u010dn\u00ed opot\u0159eben\u00ed desti\u010dek na \u0159et\u011bzu.<\/p>\n<p><img decoding=\"async\" style=\"max-width: 100%; height: auto; border-radius: 10px; display: block; margin: 0 0 22px 0;\" src=\"https:\/\/sprocket-chain.net\/wp-content\/uploads\/2026\/05\/roller-chain-components-and-pitch-definition.webp\" alt=\"\" title=\"\"><\/p>\n<p style=\"margin: 0 0 22px 0;\">Praktick\u00e1 doporu\u010den\u00e1 rychlost 60 m\/min (1,0 m\/s) pro dvourozte\u010dn\u00fd \u0159et\u011bz je rychlost, p\u0159i kter\u00e9 se tento efekt prov\u011b\u0161en\u00ed trolejov\u00e9ho veden\u00ed u \u0159et\u011bzu #2060 st\u00e1v\u00e1 v\u00fdznamn\u00fdm pro standardn\u00ed pr\u016fmyslov\u00e9 aplikace. Limit nen\u00ed absolutn\u00ed \u2013 p\u0159i ni\u017e\u0161\u00edm zat\u00ed\u017een\u00ed s dob\u0159e napnut\u00fdm \u0159et\u011bzem a \u010dast\u00fdmi podp\u011brn\u00fdmi body m\u016f\u017ee dvourozte\u010dn\u00fd \u0159et\u011bz pracovat rychlost\u00ed a\u017e 80 m\/min. Av\u0161ak nad p\u0159ibli\u017en\u011b 100 m\/min u jak\u00e9hokoli dvourozte\u010dn\u00e9ho \u0159et\u011bzu s ekvivalentn\u00ed nebo v\u011bt\u0161\u00ed rozte\u010d\u00ed #60 se hluk a opot\u0159eben\u00ed rychle zvy\u0161uj\u00ed a \u017eivotnost kles\u00e1 pod \u00farove\u0148, kterou by poskytovala standardn\u00ed rozte\u010d.<\/p>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 SECTION 5 \u2014 Standard vs extended-pin double-pitch \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(21px,2.8vw,33px); font-weight: bold; color: #1a2332; border-left: 4px solid #e8890a; padding-left: 14px; margin: 52px 0 18px;\">Standardn\u00ed vs. dvourozte\u010dn\u00fd \u0159et\u011bz s prodlou\u017een\u00fdmi \u010depy: Varianta dopravn\u00edku<\/h2>\n<div style=\"display: flex; flex-wrap: wrap; gap: 20px; margin: 0 0 28px 0;\">\n<div style=\"flex: 1; min-width: 220px; background: #f4f7fb; border: 1px solid #dde3ea; border-radius: 10px; padding: 20px 22px; box-sizing: border-box;\">\n<div style=\"font-family: 'Barlow Condensed',Arial Narrow,sans-serif; font-size: clamp(16px,1.8vw,20px); font-weight: 800; color: #1a2332; text-transform: uppercase; margin-bottom: 10px;\">Standardn\u00ed dvoul\u016f\u017ekov\u00fd pokoj<\/div>\n<p style=\"margin: 0 0 10px 0; font-size: clamp(12px,1.3vw,14px); color: #445566; line-height: 1.72;\">V bo\u010dn\u00edm pohledu z profilu identick\u00fd se standardn\u00edm v\u00e1le\u010dkov\u00fdm \u0159et\u011bzem. \u010cepy nemaj\u00ed bo\u010dn\u00ed prodlou\u017een\u00ed. Pohon je zalo\u017een na standardn\u00edch ozuben\u00fdch kolech #60. Pou\u017e\u00edv\u00e1 se, kdy\u017e \u0159et\u011bz pot\u0159ebuje pouze p\u0159epravovat bez nutnosti p\u0159en\u00e1\u0161et p\u0159\u00edslu\u0161enstv\u00ed.<\/p>\n<div style=\"background: #ffffff; border-radius: 6px; padding: 10px 12px; font-size: clamp(11px,1.2vw,13px); color: #1a2332; border: 1px solid #dde3ea;\"><strong>Nejlep\u0161\u00ed pro:<\/strong> Z\u00e1v\u011bsn\u00e9 voz\u00edkov\u00e9 dopravn\u00edky, smy\u010dky pro p\u0159epravu d\u00edl\u016f, lehk\u00e9 z\u00e1v\u011bsn\u00e9 dopravn\u00edky, kde je prioritou minim\u00e1ln\u00ed hmotnost a n\u00e1klady.<\/div>\n<\/div>\n<div style=\"flex: 1; min-width: 220px; background: #fff4e5; border: 1px solid #f5d5a8; border-radius: 10px; padding: 20px 22px; box-sizing: border-box;\">\n<div style=\"font-family: 'Barlow Condensed',Arial Narrow,sans-serif; font-size: clamp(16px,1.8vw,20px); font-weight: 800; color: #e8890a; text-transform: uppercase; margin-bottom: 10px;\">Dvojit\u00fd rozte\u010d s prodlou\u017een\u00fdm \u010depem<\/div>\n<p style=\"margin: 0 0 10px 0; font-size: clamp(12px,1.3vw,14px); color: #445566; line-height: 1.72;\">Spojovac\u00ed \u010depy p\u0159esahuj\u00ed vn\u011bj\u0161\u00ed spojovac\u00ed desky na obou stran\u00e1ch. Tyto prodlou\u017een\u00e9 konce \u010dep\u016f p\u0159ij\u00edmaj\u00ed p\u0159\u00ed\u010dn\u00edk, nosi\u010d nebo p\u0159\u00edslu\u0161enstv\u00ed, kter\u00e9 spojuje dva paraleln\u00ed \u0159et\u011bzov\u00e9 \u00faseky. Pou\u017e\u00edvaj\u00ed se v syst\u00e9mech s n\u00e1hradou ploch\u00e9ho p\u00e1su a v dopravn\u00edkov\u00fdch syst\u00e9mech s p\u0159\u00ed\u010dn\u00fdmi ty\u010demi.<\/p>\n<div style=\"background: #ffffff; border-radius: 6px; padding: 10px 12px; font-size: clamp(11px,1.2vw,13px); color: #1a2332; border: 1px solid #f5d5a8;\"><strong>Nejlep\u0161\u00ed pro:<\/strong> \u0158et\u011bzy su\u0161ic\u00edch pec\u00ed, dopravn\u00edky pro myt\u00ed d\u00edl\u016f, syst\u00e9my s p\u0159\u00ed\u010dn\u00fdmi ty\u010demi s plochou st\u0159echou, r\u00e1my pro su\u0161en\u00ed textili\u00ed.<\/div>\n<\/div>\n<div style=\"flex: 1; min-width: 220px; background: #e8f0fb; border: 1px solid #b8d0f0; border-radius: 10px; padding: 20px 22px; box-sizing: border-box;\">\n<div style=\"font-family: 'Barlow Condensed',Arial Narrow,sans-serif; font-size: clamp(16px,1.8vw,20px); font-weight: 800; color: #1a5fa8; text-transform: uppercase; margin-bottom: 10px;\">Dvojit\u00fd rozte\u010d K-Attachment<\/div>\n<p style=\"margin: 0 0 10px 0; font-size: clamp(12px,1.3vw,14px); color: #445566; line-height: 1.72;\">Prodlou\u017een\u00e9 \u010dl\u00e1nkov\u00e9 desky na st\u0159\u00eddav\u00fdch \u010dl\u00e1nc\u00edch (upev\u0148ovac\u00ed vzor K1 nebo K2). Poskytuje pevn\u00e9 upev\u0148ovac\u00ed body v pravideln\u00fdch intervalech pro p\u0159\u00edmou mont\u00e1\u017e nosi\u010d\u016f, nosn\u00edk\u016f nebo dr\u017e\u00e1k\u016f produkt\u016f na \u0159et\u011bz.<\/p>\n<div style=\"background: #ffffff; border-radius: 6px; padding: 10px 12px; font-size: clamp(11px,1.2vw,13px); color: #1a2332; border: 1px solid #b8d0f0;\"><strong>Nejlep\u0161\u00ed pro:<\/strong> Elev\u00e1tory pro manipulaci s obil\u00edm a osivem, dopravn\u00edkov\u00e9 syst\u00e9my pro dr\u016fbe\u017e, lehk\u00e9 zem\u011bd\u011blsk\u00e9 dopravn\u00edky s kore\u010dkov\u00fdm p\u0159\u00edslu\u0161enstv\u00edm.<\/div>\n<\/div>\n<\/div>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 SECTION 6 \u2014 Full double-pitch series reference \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(21px,2.8vw,33px); font-weight: bold; color: #1a2332; border-left: 4px solid #e8890a; padding-left: 14px; margin: 52px 0 18px;\">Referen\u010dn\u00ed \u010d\u00edslo \u0159ady dvourozte\u010dn\u00fdch \u0159et\u011bz\u016f: V\u0161echny standardn\u00ed velikosti a jejich ekvivalenty<\/h2>\n<div style=\"overflow-x: auto; width: 100%; margin: 0 0 28px 0;\">\n<table style=\"width: 100%; border-collapse: collapse; font-size: clamp(12px,1.3vw + 7px,14px); min-width: 680px;\">\n<thead>\n<tr>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: left; font-weight: bold; white-space: nowrap;\">Dvojit\u00e1 v\u00fd\u0161ka \u010d.<\/th>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: left; font-weight: bold; white-space: nowrap;\">Ekvivalent standardn\u00ed rozte\u010de<\/th>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: left; font-weight: bold; white-space: nowrap;\">Rozte\u010d (mm)<\/th>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: left; font-weight: bold; white-space: nowrap;\">Pr\u016fm\u011br v\u00e1lce (mm)<\/th>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: left; font-weight: bold; white-space: nowrap;\">Vnit\u0159n\u00ed \u0161\u00ed\u0159ka (mm)<\/th>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: left; font-weight: bold; white-space: nowrap;\">Minim\u00e1ln\u00ed mezn\u00ed zat\u00ed\u017een\u00ed (kN)<\/th>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: left; font-weight: bold; white-space: nowrap;\">Hmotnost (kg\/m\u00b2)<\/th>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: left; font-weight: bold; white-space: nowrap;\">Maxim\u00e1ln\u00ed rychlost (m\/min)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; font-weight: 600;\">#2040<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">#40<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">25.40<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">7.92<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">7.85<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">13.6<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">0.21<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">80<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; font-weight: 600;\">#2050<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">#50<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">31.75<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">10.16<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">9.53<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">21.5<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">0.35<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">70<\/td>\n<\/tr>\n<tr style=\"background: #fff4e5;\">\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; font-weight: bold; color: #e8890a;\">#2060<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8;\">#60<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8;\">38.10<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; font-weight: bold;\">11.91<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8;\">12.57<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8;\">31.1<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; font-weight: bold; color: #27ae60;\">0.45<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; font-weight: bold;\">60<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; font-weight: 600;\">#2080<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">#80<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">50.80<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">15.88<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">15.75<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">55.0<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; font-weight: bold; color: #27ae60;\">0.89<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">50<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; font-weight: 600;\">#2100<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">#100<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">63.50<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">19.05<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">18.90<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">86.0<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; font-weight: bold; color: #27ae60;\">1.40<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">40<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; background: #f8f9fa; font-weight: 600;\">#2120<\/td>\n<td style=\"padding: 9px 13px; background: #f8f9fa;\">#120<\/td>\n<td style=\"padding: 9px 13px; background: #f8f9fa;\">76.20<\/td>\n<td style=\"padding: 9px 13px; background: #f8f9fa;\">22.23<\/td>\n<td style=\"padding: 9px 13px; background: #f8f9fa;\">25.22<\/td>\n<td style=\"padding: 9px 13px; background: #f8f9fa;\">124.0<\/td>\n<td style=\"padding: 9px 13px; background: #f8f9fa; font-weight: bold; color: #27ae60;\">2.00<\/td>\n<td style=\"padding: 9px 13px; background: #f8f9fa;\">35<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"font-size: clamp(11px,1.2vw,13px); color: #7a8fa8; margin: 0 0 28px 0;\">\u2020 Zv\u00fdrazn\u011bn\u00fd \u0159\u00e1dek #2060 \u2013 nej\u010dast\u011bji specifikovan\u00fd dvourozte\u010dn\u00fd \u0159et\u011bz v korejsk\u00e9m pr\u016fmyslu. V\u0161imn\u011bte si, \u017ee maxim\u00e1ln\u00ed rychlost se sni\u017euje se zv\u011bt\u0161uj\u00edc\u00ed se rozte\u010d\u00ed v d\u016fsledku del\u0161\u00ed nepodep\u0159en\u00e9 rozte\u010de mezi v\u00e1le\u010dky v ka\u017ed\u00e9 rozte\u010di.<\/p>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 SECTION 7 \u2014 When to use each \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(21px,2.8vw,33px); font-weight: bold; color: #1a2332; border-left: 4px solid #e8890a; padding-left: 14px; margin: 52px 0 18px;\">Pr\u016fvodce rozhodov\u00e1n\u00edm: Standardn\u00ed sklon nebo dvojit\u00fd sklon?<\/h2>\n<div style=\"display: flex; flex-wrap: wrap; gap: 16px; margin: 0 0 28px 0;\">\n<div style=\"flex: 1; min-width: 240px; background: #eafbf1; border: 1px solid #a8e0c0; border-radius: 10px; padding: 20px 22px; box-sizing: border-box;\">\n<div style=\"font-family: 'Barlow Condensed',Arial Narrow,sans-serif; font-size: clamp(16px,1.8vw,20px); font-weight: 800; color: #27ae60; text-transform: uppercase; margin-bottom: 10px;\">Dvojitou rozte\u010d zadejte, kdy\u017e:<\/div>\n<ul style=\"margin: 0; padding-left: 16px; font-size: clamp(12px,1.3vw,14px); color: #445566; line-height: 1.85;\">\n<li>Rychlost \u0159et\u011bzu \u2264 60 m\/min potvrzena<\/li>\n<li>Zat\u00ed\u017een\u00ed na \u010dl\u00e1nek je n\u00edzk\u00e9 (dopravn\u00edk nese hmotnost, nikoli p\u0159enos v\u00fdkonu)<\/li>\n<li>Hmotnost \u0159et\u011bzu je syst\u00e9mov\u00fdm omezen\u00edm (nadzemn\u00ed, vyv\u00fd\u0161en\u00e9, citliv\u00e9 na setrva\u010dnost)<\/li>\n<li>Sn\u00ed\u017een\u00ed n\u00e1klad\u016f je prim\u00e1rn\u00edm c\u00edlem bez kompromis\u016f v oblasti nosnosti<\/li>\n<li>P\u0159\u00edstup k mazac\u00edmu syst\u00e9mu je omezen\u00fd (m\u00e9n\u011b spoj\u016f na metr = m\u00e9n\u011b mazac\u00edch bod\u016f)<\/li>\n<li>Pou\u017eit\u00ed je pouze horizont\u00e1ln\u00ed nebo m\u00edrn\u011b naklon\u011bn\u00fd dopravn\u00edk<\/li>\n<\/ul>\n<\/div>\n<div style=\"flex: 1; min-width: 240px; background: #fff4f4; border: 1px solid #f0b0b0; border-radius: 10px; padding: 20px 22px; box-sizing: border-box;\">\n<div style=\"font-family: 'Barlow Condensed',Arial Narrow,sans-serif; font-size: clamp(16px,1.8vw,20px); font-weight: 800; color: #c0392b; text-transform: uppercase; margin-bottom: 10px;\">Nezad\u00e1vejte dvojitou rozte\u010d, kdy\u017e:<\/div>\n<ul style=\"margin: 0; padding-left: 16px; font-size: clamp(12px,1.3vw,14px); color: #445566; line-height: 1.85;\">\n<li>Rychlost \u0159et\u011bzu p\u0159esahuje 60 m\/min (standardn\u00ed rozte\u010d je povinn\u00e1)<\/li>\n<li>Pohon je p\u0159enos v\u00fdkonu s vysok\u00fdm to\u010div\u00fdm momentem (ne dopravn\u00edk)<\/li>\n<li>Aplikace zahrnuje \u010dast\u00e9 r\u00e1zov\u00e9 zat\u00ed\u017een\u00ed nebo obr\u00e1cen\u00ed sm\u011bru<\/li>\n<li>Je vy\u017eadov\u00e1na p\u0159esn\u00e1 rovnom\u011brnost rychlosti (polygon\u00e1ln\u00ed efekt je v\u011bt\u0161\u00ed na ot\u00e1\u010dky za minutu)<\/li>\n<li>Provozn\u00ed teplota p\u0159esahuje 120 \u00b0C (del\u0161\u00ed rozp\u011bt\u00ed se vlivem tepeln\u00e9 rozta\u017enosti v\u00edce proh\u00fdb\u00e1)<\/li>\n<li>V\u00fd\u0161kov\u00e9 zm\u011bny o v\u00edce ne\u017e 3 metry (z\u00e1va\u017e\u00ed zav\u011b\u0161en\u00e9 na \u0159et\u011bzu vytv\u00e1\u0159\u00ed p\u0159i v\u011bt\u0161\u00edm sklonu nap\u011b\u0165ov\u00e9 hroty)<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 SECTION 8 \u2014 Applications \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(21px,2.8vw,33px); font-weight: bold; color: #1a2332; border-left: 4px solid #e8890a; padding-left: 14px; margin: 52px 0 18px;\">Pr\u016fmyslov\u00e9 aplikace, kde je dvourozte\u010dn\u00fd \u0159et\u011bz standardn\u00ed specifikac\u00ed<\/h2>\n<p style=\"margin: 0 0 18px 0;\"><strong>Osazov\u00e1n\u00ed elektroniky a polovodi\u010d\u016f.<\/strong> Z\u00e1v\u011bsn\u00e9 voz\u00edkov\u00e9 dopravn\u00edky a syst\u00e9my indexovac\u00edch \u0159et\u011bz\u016f v operac\u00edch osazov\u00e1n\u00ed desek plo\u0161n\u00fdch spoj\u016f a balen\u00ed polovodi\u010d\u016f jsou hlavn\u00edm vyu\u017eit\u00edm pro dvourozte\u010dn\u00e9 \u0159et\u011bzy #2040 a #2060. Tyto syst\u00e9my vy\u017eaduj\u00ed n\u00edzkou hmotnost \u0159et\u011bzu, aby se minimalizovalo zat\u00ed\u017een\u00ed motoru setrva\u010dnost\u00ed b\u011bhem \u010dast\u00fdch cykl\u016f zastavov\u00e1n\u00ed a rozb\u011bhu, a pracuj\u00ed velmi n\u00edzk\u00fdmi rychlostmi \u2013 obvykle 2\u201315 m\/min \u2013 co\u017e je v r\u00e1mci limitu rychlosti pro dvourozte\u010dn\u00e9 \u0159et\u011bzy. \u00daspora n\u00e1klad\u016f v typick\u00e9m elektronick\u00e9m z\u00e1vod\u011b s v\u00edce ne\u017e 50 pozicemi \u0159et\u011bzov\u00fdch dopravn\u00edk\u016f je zna\u010dn\u00e1. <a style=\"color: #1a5fa8; font-weight: 600; text-decoration: none;\" href=\"https:\/\/sprocket-chain.net\/cs\/kategorie-produktu\/chain\/\">Dvourozte\u010dn\u00fd v\u00e1le\u010dkov\u00fd \u0159et\u011bz #2040 a #2060<\/a> V na\u0161em korejsk\u00e9m skladu je k dispozici jak standardn\u00ed, tak i prodlou\u017een\u00e1 konfigurace s kol\u00edky.<\/p>\n<p style=\"margin: 0 0 18px 0;\"><strong>Elev\u00e1tory pro manipulaci s obil\u00edm a osivem.<\/strong> Nohy kore\u010dkov\u00fdch elev\u00e1tor\u016f v obiln\u00fdch dru\u017estvech a zem\u011bd\u011blsk\u00fdch skladech pou\u017e\u00edvaj\u00ed dvourozte\u010dn\u00e9 \u0159et\u011bzy #2060 a #2080 s upev\u0148ovac\u00edmi deskami kore\u010dk\u016f K1 nebo K2. Rozte\u010d kore\u010dk\u016f je ur\u010dena rozte\u010d\u00ed \u0159et\u011bzu \u2013 dvourozte\u010dn\u00fd \u0159et\u011bz umo\u017e\u0148uje v\u011bt\u0161\u00ed rozte\u010d kore\u010dk\u016f s men\u0161\u00edm po\u010dtem kloub\u016f \u0159et\u011bzu na kore\u010dku, co\u017e sni\u017euje jak n\u00e1klady na \u0159et\u011bz, tak i \u00fadr\u017ebu kloub\u016f na instalovanou kore\u010dku. Rychlosti nohou elev\u00e1tor\u016f v korejsk\u00fdch r\u00fd\u017eov\u00fdch dru\u017estvech jsou obvykle 30\u201345 m\/min, co\u017e je v r\u00e1mci rychlostn\u00edho limitu #2060. Pro vysoce propustn\u00e9 obiln\u00e9 termin\u00e1ly pracuj\u00edc\u00ed s rychlostmi elev\u00e1toru 60\u201380 m\/min je spr\u00e1vnou specifikac\u00ed standardn\u00ed \u0159et\u011bz #60 nebo #80.<\/p>\n<p style=\"margin: 0 0 18px 0;\"><strong>Linky na myt\u00ed a su\u0161en\u00ed automobilov\u00fdch d\u00edl\u016f.<\/strong> Dopravn\u00edky pro myt\u00ed d\u00edl\u016f pou\u017e\u00edvaj\u00ed prodlou\u017een\u00e9 \u010depov\u00e9 dvourozte\u010dn\u00e9 \u0159et\u011bzy s p\u0159\u00ed\u010dn\u00fdmi ty\u010demi k vytvo\u0159en\u00ed rovn\u00e9ho povrchu dopravn\u00edku pro p\u0159epravu ko\u0161\u016f b\u011bhem f\u00e1z\u00ed myt\u00ed a oplachov\u00e1n\u00ed. Pomal\u00e1 rychlost dopravn\u00edku (5\u201320 m\/min) a relativn\u011b n\u00edzk\u00e9 zat\u00ed\u017een\u00ed ko\u0161\u016f (2\u201315 kg na pozici ko\u0161e) dob\u0159e vyhovuj\u00ed dvourozte\u010dn\u00fdm \u0159et\u011bz\u016fm. Otev\u0159en\u00e1 struktura prodlou\u017een\u00fdch \u010depov\u00fdch dvourozte\u010dn\u00fdch \u0159et\u011bz\u016f tak\u00e9 umo\u017e\u0148uje voln\u00fd odtok myc\u00ed kapaliny z povrchu \u0159et\u011bzu, co\u017e sni\u017euje riziko koroze ve srovn\u00e1n\u00ed s t\u011bsn\u011bj\u0161\u00ed geometri\u00ed standardn\u00edch \u0159et\u011bz\u016f. <a style=\"color: #1a5fa8; font-weight: 600; text-decoration: none;\" href=\"https:\/\/sprocket-chain.net\/cs\/kategorie-produktu\/sprocket\/\">Dvojit\u00e1 ozuben\u00e1 kola pro \u0159et\u011bz s prodlou\u017een\u00fdmi \u010depy<\/a> jsou k dispozici ve standardn\u00edch konfigurac\u00edch s otvorem a ku\u017eelov\u00fdm z\u00e1mkem.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3216 aligncenter\" src=\"https:\/\/sprocket-chain.net\/wp-content\/uploads\/2026\/05\/Double-row-sprockets.webp\" alt=\"Dvou\u0159ad\u00e1 ozuben\u00e1 kola\" width=\"500\" height=\"600\" title=\"\" srcset=\"https:\/\/sprocket-chain.net\/wp-content\/uploads\/2026\/05\/Double-row-sprockets.webp 500w, https:\/\/sprocket-chain.net\/wp-content\/uploads\/2026\/05\/Double-row-sprockets-480x576.webp 480w\" sizes=\"auto, (min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 500px, 100vw\" \/><\/p>\n<p style=\"margin: 0 0 22px 0;\"><strong>Dopravn\u00edky pro zpracov\u00e1n\u00ed dr\u016fbe\u017ee a ryb.<\/strong> Nadzemn\u00ed kolejnicov\u00e9 dopravn\u00edky v z\u00e1vodech na zpracov\u00e1n\u00ed dr\u016fbe\u017ee pou\u017e\u00edvaj\u00ed k p\u0159eprav\u011b jate\u010dn\u011b upraven\u00fdch t\u011bl jednotliv\u00fdmi f\u00e1zemi zpracov\u00e1n\u00ed \u0159et\u011bz s prodlou\u017een\u00fdmi \u010depy nebo uchycen\u00edm ve tvaru K a dvojitou rozte\u010d\u00ed. \u0158et\u011bz mus\u00ed b\u00fdt dostate\u010dn\u011b lehk\u00fd, aby se s n\u00edm daly manipulovat \u00fachyty nadzemn\u00edch uchycen\u00ed, mus\u00ed b\u00fdt \u010distiteln\u00fd a mus\u00ed se ot\u00e1\u010det dostate\u010dn\u011b pomalu pro \u010dasov\u011b omezen\u00e9 operace zpracov\u00e1n\u00ed. Standardn\u00ed specifikace \u0159et\u011bzu je zde z nerezov\u00e9 oceli #2060 (304 nebo 316L v z\u00e1vislosti na chemii myc\u00edho roztoku) s uchycen\u00edm ve tvaru K1 a otev\u0159en\u00fdmi prodlou\u017een\u00fdmi \u010depy pro mont\u00e1\u017e nosi\u010de.<\/p>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 SECTION 9 \u2014 FAQ \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(21px,2.8vw,33px); font-weight: bold; color: #1a2332; border-left: 4px solid #e8890a; padding-left: 14px; margin: 52px 0 18px;\">\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n<details style=\"border: 1px solid #dde3ea; border-radius: 8px; overflow: hidden; margin-bottom: 10px;\">\n<summary style=\"padding: 16px 20px; font-weight: bold; cursor: pointer; background: #f4f6f8; font-size: clamp(13px,1.4vw + 8px,16px); list-style: none; color: #1a2332;\">M\u016f\u017ee dvojit\u00fd \u0159et\u011bz b\u011b\u017eet na \u0159et\u011bzov\u00fdch kolech se standardn\u00ed rozte\u010d\u00ed? A co naopak?<\/summary>\n<div style=\"padding: 16px 20px; font-size: clamp(13px,1.3vw + 8px,15px); color: #445566; line-height: 1.78; border-top: 1px solid #dde3ea;\">Ano \u2013 toto je jeden z hlavn\u00edch konstruk\u010dn\u00edch rys\u016f dvourozte\u010dn\u00e9ho \u0159et\u011bzu. \u0158et\u011bz #2060 pou\u017e\u00edv\u00e1 stejnou kladku o pr\u016fm\u011bru 11,91 mm jako standardn\u00ed #60, tak\u017ee kladky spr\u00e1vn\u011b usazuj\u00ed v pat\u011b zub\u016f standardn\u00edho \u0159et\u011bzov\u00e9ho kola #60. U standardn\u00edho \u0159et\u011bzov\u00e9ho kola #60 se ka\u017ed\u00fd druh\u00fd zub dot\u00fdk\u00e1 kladky #2060, zat\u00edmco st\u0159\u00eddav\u00e9 zuby proch\u00e1zej\u00ed \u0159et\u011bzov\u00fdm kolem bez kontaktu. To je funk\u010dn\u011b spr\u00e1vn\u00e9 p\u0159i n\u00edzk\u00fdch rychlostech. Pro rychlosti nad p\u0159ibli\u017en\u011b 30 m\/min nebo tam, kde je hluk probl\u00e9mem, vyhrazen\u00e1 dvourozte\u010dn\u00e1 \u0159et\u011bzov\u00e1 kola (se st\u0159\u00eddav\u00fdmi pln\u00fdmi zuby a krat\u0161\u00edmi distan\u010dn\u00edmi zuby) zlep\u0161uj\u00ed plynulost z\u00e1b\u011bru. Je tak\u00e9 mo\u017en\u00fd opa\u010dn\u00fd postup \u2013 standardn\u00ed \u0159et\u011bz #60 na dvourozte\u010dn\u00fdch \u0159et\u011bzov\u00fdch kolech \u2013 kdy ka\u017ed\u00fd zub \u0159et\u011bzov\u00e9ho kola dopad\u00e1 na kladku. Proto\u017ee dvourozte\u010dn\u00e1 \u0159et\u011bzov\u00e1 kola maj\u00ed m\u00e9n\u011b zub\u016f na pr\u016fm\u011br ne\u017e \u0159et\u011bzov\u00e1 kola se standardn\u00ed rozte\u010d\u00ed, provoz standardn\u00edho \u0159et\u011bzu na dvourozte\u010dn\u00e9m \u0159et\u011bzov\u00e9m kole vede k vy\u0161\u0161\u00edmu efektivn\u00edmu rychlostn\u00edmu pom\u011bru, ne\u017e nazna\u010duje samotn\u00fd po\u010det zub\u016f.<\/div>\n<\/details>\n<details style=\"border: 1px solid #dde3ea; border-radius: 8px; overflow: hidden; margin-bottom: 10px;\">\n<summary style=\"padding: 16px 20px; font-weight: bold; cursor: pointer; background: #f4f6f8; font-size: clamp(13px,1.4vw + 8px,16px); list-style: none; color: #1a2332;\">Existuje ekvivalent dvojit\u00e9 rozte\u010de pro ka\u017edou standardn\u00ed velikost \u0159et\u011bzu ANSI?<\/summary>\n<div style=\"padding: 16px 20px; font-size: clamp(13px,1.3vw + 8px,15px); color: #445566; line-height: 1.78; border-top: 1px solid #dde3ea;\">Pro nejb\u011b\u017en\u011bji pou\u017e\u00edvan\u00e9 velikosti \u0159et\u011bz\u016f ANSI existuj\u00ed varianty s dvojitou rozte\u010d\u00ed: #2040 a\u017e #2120 jsou standardn\u011b skladem. ANSI #25 a #35 nemaj\u00ed standardn\u00ed ekvivalenty s dvojitou rozte\u010d\u00ed, proto\u017ee tyto velikosti rozte\u010de jsou ji\u017e mal\u00e9 \u2013 varianta s dvojitou rozte\u010d\u00ed by m\u011bla rozte\u010d 12,70 mm (dvojit\u00fd #25 = rozte\u010d ANSI #40) nebo 19,05 mm (dvojit\u00fd #35 = rozte\u010d ANSI #60), kter\u00e9 ji\u017e existuj\u00ed jako samostatn\u00e9 standardn\u00ed velikosti. Nad #120 je dvourozte\u010dn\u00fd \u0159et\u011bz k dispozici na zvl\u00e1\u0161tn\u00ed objedn\u00e1vku, ale ne jako standardn\u00ed sklad. Pro velmi t\u011b\u017ek\u00e9 dopravn\u00edkov\u00e9 aplikace vy\u017eaduj\u00edc\u00ed geometrii s dvojitou rozte\u010d\u00ed a vysokou nosnost\u00ed je obvykle spr\u00e1vnou specifikac\u00ed \u0159et\u011bz in\u017een\u00fdrsk\u00e9 t\u0159\u00eddy ne\u017e standardn\u00ed v\u00e1le\u010dkov\u00fd \u0159et\u011bz s dvojitou rozte\u010d\u00ed.<\/div>\n<\/details>\n<details style=\"border: 1px solid #dde3ea; border-radius: 8px; overflow: hidden; margin-bottom: 10px;\">\n<summary style=\"padding: 16px 20px; font-weight: bold; cursor: pointer; background: #f4f6f8; font-size: clamp(13px,1.4vw + 8px,16px); list-style: none; color: #1a2332;\">Jak vypo\u010d\u00edt\u00e1m \u00fasporu hmotnosti u m\u00e9 konkr\u00e9tn\u00ed n\u00e1hrady dvourozte\u010dn\u00e9ho \u0159et\u011bzu?<\/summary>\n<div style=\"padding: 16px 20px; font-size: clamp(13px,1.3vw + 8px,15px); color: #445566; line-height: 1.78; border-top: 1px solid #dde3ea;\">\u00daspora hmotnosti na metr = (standardn\u00ed hmotnost \u0159et\u011bzu na metr) \u2212 (hmotnost dvourozte\u010dn\u00e9ho \u0159et\u011bzu na metr). Pro konverzi z #60 na #2060: 0,84 \u2212 0,45 = \u00faspora 0,39 kg\/m na pramen. Pro kompletn\u00ed dopravn\u00edkov\u00fd okruh s 28 metry \u0159et\u011bzu: 0,39 \u00d7 28 = sn\u00ed\u017een\u00ed hmotnosti \u0159et\u011bzu o 10,9 kg. Pro dvourozte\u010dn\u00fd syst\u00e9m: sn\u00ed\u017een\u00ed o 21,8 kg. Toto sn\u00ed\u017een\u00ed hmotnosti p\u0159\u00edmo sni\u017euje po\u017eadavek na rozb\u011bhov\u00fd moment motoru a umo\u017e\u0148uje pou\u017eit\u00ed men\u0161\u00edho hnac\u00edho motoru. Pro v\u00fdpo\u010det \u00faspory energie motoru: sn\u00ed\u017een\u00e1 hmotnost \u0159et\u011bzu \u00d7 g \u00d7 rychlost dopravn\u00edku = \u00faspora energie d\u00edky sn\u00ed\u017een\u00e9 slo\u017ece setrva\u010dnosti \u0159et\u011bzu. U pomal\u00fdch dopravn\u00edk\u016f, kde hmotnost \u0159et\u011bzu tvo\u0159\u00ed v\u00fdznamn\u00fd pod\u00edl celkov\u00e9 hmotnosti syst\u00e9mu, tento v\u00fdpo\u010det \u010dasto ukazuje, \u017ee konverze na dvourozte\u010dn\u00fd \u0159et\u011bz sni\u017euje po\u017eadovan\u00fd jmenovit\u00fd v\u00fdkon hnac\u00edho motoru o jednu standardn\u00ed velikost r\u00e1mu.<\/div>\n<\/details>\n<details style=\"border: 1px solid #dde3ea; border-radius: 8px; overflow: hidden; margin-bottom: 10px;\">\n<summary style=\"padding: 16px 20px; font-weight: bold; cursor: pointer; background: #f4f6f8; font-size: clamp(13px,1.4vw + 8px,16px); list-style: none; color: #1a2332;\">Je dvourozte\u010dn\u00fd \u0159et\u011bz k dispozici v ut\u011bsn\u011bn\u00e9 (O-krou\u017ekov\u00e9) konfiguraci pro potravin\u00e1\u0159sk\u00e9 nebo zem\u011bd\u011blsk\u00e9 aplikace?<\/summary>\n<div style=\"padding: 16px 20px; font-size: clamp(13px,1.3vw + 8px,15px); color: #445566; line-height: 1.78; border-top: 1px solid #dde3ea;\">Ano \u2013 ut\u011bsn\u011bn\u00fd dvourozte\u010dn\u00fd \u0159et\u011bz s O-krou\u017eky a X-krou\u017eky je k dispozici v proveden\u00edch #2040, #2050, #2060 a #2080, a to jak ve variant\u00e1ch s vn\u011bj\u0161\u00ed deskou z uhl\u00edkov\u00e9 oceli, tak i nerezov\u00e9. T\u011bsn\u011bn\u00ed je um\u00edst\u011bno na rozhran\u00ed \u010depu a pouzdra, co\u017e je shodn\u00e9 s funkc\u00ed ut\u011bsn\u011bn\u00e9ho \u0159et\u011bzu se standardn\u00ed rozte\u010d\u00ed. V\u00fdhody v zem\u011bd\u011blsk\u00fdch aplikac\u00edch jsou stejn\u00e9 jako u standardn\u00edho ut\u011bsn\u011bn\u00e9ho \u0159et\u011bzu \u2013 mazivo nanesen\u00e9 v\u00fdrobcem je zadr\u017eov\u00e1no uvnit\u0159 a abrazivn\u00ed \u010d\u00e1stice jsou vylou\u010deny z otvoru pro \u010dep. V aplikac\u00edch zpracov\u00e1n\u00ed potravin, kde se pou\u017e\u00edvaj\u00ed \u0159et\u011bzy s prodlou\u017een\u00fdmi \u010depy a dvojit\u00fdm rozte\u010dem pro nadzemn\u00ed dopravn\u00edkov\u00e9 syst\u00e9my, se pro prost\u0159ed\u00ed s vysokou teplotou myt\u00ed, kde nelze dodr\u017eet tradi\u010dn\u00ed intervaly maz\u00e1n\u00ed, doporu\u010duje ut\u011bsn\u011bn\u00fd dvourozte\u010dn\u00fd \u0159et\u011bz z nerezov\u00e9 oceli 316L s vnit\u0159n\u00edm mazivem NSF H1 pro potravin\u00e1\u0159sk\u00e9 pou\u017eit\u00ed.<\/div>\n<\/details>\n<p><!-- CTA --><\/p>\n<div style=\"background: #111820; border-radius: 14px; padding: clamp(36px,5vw,64px) clamp(24px,5vw,56px); margin-top: 56px; display: flex; flex-wrap: wrap; gap: 28px; align-items: center;\">\n<div style=\"flex: 1; min-width: 260px;\">\n<h2 style=\"font-family: 'Barlow Condensed',Arial Narrow,sans-serif; font-size: clamp(22px,3vw,40px); font-weight: 800; color: #ffffff; text-transform: uppercase; border: none; padding: 0; margin: 0 0 12px 0; line-height: 1.0; letter-spacing: -0.3px;\">Dvourozte\u010dn\u00fd \u0159et\u011bz ve standardn\u00ed a prodlou\u017een\u00e9 konfiguraci s \u010depy<\/h2>\n<p style=\"color: rgba(255,255,255,0.72); font-size: clamp(13px,1.4vw,16px); line-height: 1.72; margin: 0;\">Modely #2040 a\u017e #2120 skladem v korejsk\u00e9m skladu. Standardn\u00ed varianty, varianty s prodlou\u017een\u00fdm \u010depem, varianty s K-uchycen\u00edm, varianty z uhl\u00edkov\u00e9 oceli a nerezov\u00e9 oceli. Standardn\u00ed konfigurace jsou k dispozici v tent\u00fd\u017e t\u00fdden \u2013 p\u0159ed objedn\u00e1n\u00edm si ov\u011b\u0159te s\u00e9rii, typ uchycen\u00ed a po\u010det pramen\u016f.<\/p>\n<\/div>\n<div style=\"flex: 0 0 auto; display: flex; flex-direction: column; gap: 12px; min-width: 200px;\"><a style=\"display: block; background: #e8890a; color: #ffffff; padding: 14px 28px; border-radius: 6px; font-weight: bold; text-decoration: none; font-size: clamp(13px,1.4vw,15px); text-align: center;\" href=\"https:\/\/sprocket-chain.net\/cs\/kategorie-produktu\/chain\/\">Proch\u00e1zet \u0159et\u011bz s dvojitou rozte\u010d\u00ed<\/a><br \/>\n<a style=\"display: block; background: transparent; color: #ffffff; padding: 14px 28px; border-radius: 6px; font-weight: bold; text-decoration: none; font-size: clamp(13px,1.4vw,15px); text-align: center; border: 2px solid rgba(255,255,255,0.32);\" href=\"https:\/\/sprocket-chain.net\/cs\/contact-us\/\">\u017d\u00e1dost o radu ohledn\u011b konfigurace<\/a><\/div>\n<\/div>\n<\/div>\n<p>St\u0159iha\u010d: Cxm<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Product Comparison \u00b7 Selection Guide Double-Pitch vs Standard Roller Chain: Which to Use and When the Choice Matters Double-pitch chain costs less per metre, weighs less, and runs correctly on the same sprockets as its standard-pitch equivalent. The tradeoff \u2014 speed limitation \u2014 is decisive for some applications and irrelevant for others. Confirm the Right [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[6634],"tags":[72,78,58],"class_list":["post-3328","post","type-post","status-publish","format-standard","hentry","category-chain-sprocket","tag-chain","tag-chain-sprocket","tag-sprocket"],"_links":{"self":[{"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/posts\/3328","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/comments?post=3328"}],"version-history":[{"count":3,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/posts\/3328\/revisions"}],"predecessor-version":[{"id":3331,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/posts\/3328\/revisions\/3331"}],"wp:attachment":[{"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/media?parent=3328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/categories?post=3328"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/tags?post=3328"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}