{"id":3347,"date":"2026-05-14T05:09:33","date_gmt":"2026-05-14T05:09:33","guid":{"rendered":"https:\/\/sprocket-chain.net\/?p=3347"},"modified":"2026-05-14T05:09:33","modified_gmt":"2026-05-14T05:09:33","slug":"roller-chain-pitch-sizes-complete-reference-chart-from-25-to-240","status":"publish","type":"post","link":"https:\/\/sprocket-chain.net\/cs\/roller-chain-pitch-sizes-complete-reference-chart-from-25-to-240\/","title":{"rendered":"Rozte\u010de v\u00e1le\u010dkov\u00fdch \u0159et\u011bz\u016f: Kompletn\u00ed referen\u010dn\u00ed tabulka od #25 do #240"},"content":{"rendered":"
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Technick\u00e1 referen\u010dn\u00ed p\u0159\u00edru\u010dka<\/div>\n

Rozte\u010de v\u00e1le\u010dkov\u00fdch \u0159et\u011bz\u016f: Kompletn\u00ed referen\u010dn\u00ed tabulka od #25 do #240<\/h1>\n

Ka\u017ed\u00fd rozm\u011br, kter\u00fd pot\u0159ebujete k identifikaci, porovn\u00e1n\u00ed a specifikaci standardn\u00edho v\u00e1le\u010dkov\u00e9ho \u0159et\u011bzu ANSI \u2013 v\u010detn\u011b toho, kde se normy ANSI a ISO li\u0161\u00ed a pro\u010d je tento rozd\u00edl d\u016fle\u017eit\u011bj\u0161\u00ed pro men\u0161\u00ed rozte\u010de ne\u017e pro v\u011bt\u0161\u00ed.<\/p>\n

Po\u017e\u00e1dejte n\u00e1\u0161 t\u00fdm o potvrzen\u00ed va\u0161\u00ed \u0159ady \u0159et\u011bz\u016f<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n

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N\u00e1kup\u010d\u00ed MRO u korejsk\u00e9ho v\u00fdrobce balic\u00edch za\u0159\u00edzen\u00ed m\u00e1 sklad se 14 r\u016fzn\u00fdmi velikostmi v\u00e1le\u010dkov\u00fdch \u0159et\u011bz\u016f. Dvakr\u00e1t za posledn\u00ed t\u0159i roky zp\u016fsobila v\u00fdm\u011bna \u0159et\u011bzu, kter\u00e1 vypadala spr\u00e1vn\u011b podle m\u011b\u0159en\u00ed rozte\u010de, p\u0159ed\u010dasn\u00e9 opot\u0159eben\u00ed \u0159et\u011bzov\u00e9ho kola do dvou m\u011bs\u00edc\u016f od instalace. V obou p\u0159\u00edpadech byla p\u0159\u00ed\u010dina stejn\u00e1: \u0159et\u011bz se spr\u00e1vnou rozte\u010d\u00ed, ale s nespr\u00e1vn\u00fdm pr\u016fm\u011brem v\u00e1le\u010dku, byl instalov\u00e1n na \u0159et\u011bzov\u00e1 kola \u0159ezan\u00e1 pro jinou normu. Prvn\u00ed incident se t\u00fdkal \u0159et\u011bzu ANSI #40 instalovan\u00e9ho na \u0159et\u011bzov\u00e1 kola \u0159ezan\u00e1 pro ISO 08B \u2013 stejn\u00e1 rozte\u010d 12,70 mm, jin\u00fd pr\u016fm\u011br v\u00e1le\u010dku (7,92 mm vs. 7,94 mm pro kr\u00e1tk\u00e9 \u0159et\u011bzy BS a 8,51 mm pro standardn\u00ed \u0159et\u011bzy BS). Druh\u00fd incident se t\u00fdkal \u0159et\u011bzu #2060 s dvojitou rozte\u010d\u00ed na \u0159et\u011bzov\u00e1 kola #60 se standardn\u00ed rozte\u010d\u00ed \u2013 op\u011bt stejn\u00fd pr\u016fm\u011br v\u00e1le\u010dku, ale \u0159et\u011bz s rozte\u010d\u00ed 38,1 mm p\u0159eklenul dv\u011b polohy paty zub\u016f na \u0159et\u011bzov\u00e9m kole ur\u010den\u00e9m pro rozte\u010d 19,05 mm a zat\u011b\u017eoval pouze ka\u017ed\u00fd druh\u00fd zub.<\/p>\n

Tato referen\u010dn\u00ed p\u0159\u00edru\u010dka zahrnuje v\u0161echny standardn\u00ed velikosti rozte\u010de ANSI od #25 do #240, odpov\u00eddaj\u00edc\u00ed ekvivalenty ISO, pr\u016fm\u011bry v\u00e1le\u010dk\u016f, kter\u00e9 je odli\u0161uj\u00ed, a rozm\u011brov\u00e9 \u00fadaje pot\u0159ebn\u00e9 ke spr\u00e1vn\u00e9 identifikaci \u0159et\u011bzu z fyzick\u00e9ho m\u011b\u0159en\u00ed, nikoli z \u00fadaj\u016f na \u0161t\u00edtku.<\/p>\n

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Jak funguj\u00ed \u0159et\u011bzcov\u00e1 \u010d\u00edsla ANSI \u2013 a kde syst\u00e9m selh\u00e1v\u00e1<\/h2>\n
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\u010c\u00edslo \u0159et\u011bzu ANSI k\u00f3duje rozte\u010d jednoduch\u00fdm zp\u016fsobem: \u010d\u00edslo d\u011blen\u00e9 8 ud\u00e1v\u00e1 rozte\u010d v osmin\u00e1ch palce. ANSI #40 m\u00e1 rozte\u010d 40\/8 = 5\/8 \u00d7 25,4 = \u2026 po\u010dkat, to nefunguje: 40\/8 = 5 a 5 osmin palce = 5 \u00d7 3,175 mm = 15,875 mm. Ale ANSI #40 m\u00e1 rozte\u010d 12,70 mm, nikoli 15,875 mm. Skute\u010dn\u00e9 pravidlo je, \u017ee \u00favodn\u00ed \u010d\u00edslice p\u0159edstavuj\u00ed rozte\u010d v osmin\u00e1ch palce, kde \u010d\u00edslo p\u0159ed koncovou nulou (u \u0159et\u011bz\u016f se sudou rozte\u010d\u00ed) je ozna\u010den\u00ed rozte\u010de. Pro #40: \u201e4\u201c = 4\/8 palce = 4 \u00d7 3,175 mm = 12,70 mm. To je spr\u00e1vn\u011b.<\/p>\n

Koncov\u00e1 \u010d\u00edslice k\u00f3duje typ \u0159et\u011bzu: \u201e0\u201c ozna\u010duje standardn\u00ed v\u00e1le\u010dkov\u00fd \u0159et\u011bz; \u201e1\u201c ozna\u010duje lehkou \u0159adu (sn\u00ed\u017een\u00e1 tlou\u0161\u0165ka desky); \u201e5\u201c ozna\u010duje v\u00e1le\u010dkov\u00fd \u0159et\u011bz s polovi\u010dn\u00ed rozte\u010d\u00ed (#35 je \u0159et\u011bz s rozte\u010d\u00ed 3\/8 palce \u2013 3 \u00d7 3,175 mm = 9,525 mm). \u0158et\u011bz #25 se \u0159\u00edd\u00ed stejn\u00fdm pravidlem: \u201e2\u201c = 2\/8 palce = rozte\u010d 6,35 mm. Toto k\u00f3dov\u00e1n\u00ed je konzistentn\u00ed pro standardn\u00ed \u0159adu, ale rozd\u011bluje se na ozna\u010den\u00ed pro t\u011b\u017ek\u00e9 \u0159ady (p\u0159\u00edpona H), dvojit\u00e9 rozte\u010de (p\u0159edpona 2xxx) a v\u00edcepramenn\u00e9 (p\u0159\u00edpona po\u010dtu pramen\u016f), kter\u00e9 pou\u017e\u00edvaj\u00ed odli\u0161n\u00e9 konvence.<\/p>\n<\/div>\n

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Simplexn\u00ed, duplexn\u00ed a triplexn\u00ed v\u00e1le\u010dkov\u00fd \u0159et\u011bz \u2013 po\u010det pramen\u016f m\u011bn\u00ed \u0161\u00ed\u0159ku \u010dela \u0159et\u011bzov\u00e9ho kola, ale nikoli syst\u00e9m \u010d\u00edslov\u00e1n\u00ed rozte\u010d\u00ed.<\/p>\n<\/div>\n<\/div>\n

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Kompletn\u00ed rozm\u011brov\u00fd referen\u010dn\u00ed k\u00f3d v\u00e1le\u010dkov\u00fdch \u0159et\u011bz\u016f ANSI \u2014 #25 a\u017e #240<\/h2>\n

V\u0161echny rozm\u011bry odpov\u00eddaj\u00ed norm\u011b ANSI B29.1. Minim\u00e1ln\u00ed mezn\u00ed zat\u00ed\u017een\u00ed jsou publikovan\u00e9 minim\u00e1ln\u00ed hodnoty, nikoli pr\u016fm\u011brn\u00e9 \u2013 skute\u010dn\u00e1 mezn\u00ed zat\u00ed\u017een\u00ed od kvalitn\u00edch v\u00fdrobc\u016f tyto hodnoty obvykle p\u0159ekra\u010duj\u00ed o 5\u2013151 TP3T. Tolerance \u0161\u00ed\u0159ky vnit\u0159n\u00edho \u010dl\u00e1nku je +0,00 \/ \u22120,05 mm pro standardn\u00ed \u0159et\u011bz; tolerance pr\u016fm\u011bru v\u00e1le\u010dku je \u00b10,025 mm. Tyto tolerance definuj\u00ed p\u0159\u00edpustnou v\u016fli mezi \u0159et\u011bzem a geometri\u00ed paty zubu \u0159et\u011bzov\u00e9ho kola s profilem ANSI.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u010c\u00edslo ANSI<\/th>\nEkvivalent ISO.<\/th>\nRozte\u010d (mm)<\/th>\nPr\u016fm\u011br v\u00e1lce (mm)<\/th>\nVnit\u0159n\u00ed \u0161\u00ed\u0159ka (mm)<\/th>\nPr\u016fm\u011br \u010depu (mm)<\/th>\nTlou\u0161\u0165ka plechu (mm)<\/th>\nMinim\u00e1ln\u00ed mezn\u00ed zat\u00ed\u017een\u00ed (kN)<\/th>\nHmotnost (kg\/m\u00b2)<\/th>\n<\/tr>\n<\/thead>\n
#25<\/td>\n\u2014<\/td>\n6.350<\/td>\n3.30<\/td>\n3.18<\/td>\n2.31<\/td>\n0.76<\/td>\n3.6<\/td>\n0.10<\/td>\n<\/tr>\n
#35<\/td>\n\u2014<\/td>\n9.525<\/td>\n5.08<\/td>\n4.78<\/td>\n3.58<\/td>\n1.27<\/td>\n7.8<\/td>\n0.22<\/td>\n<\/tr>\n
#40<\/td>\n08A<\/td>\n12.700<\/td>\n7.92<\/td>\n7.85<\/td>\n3.97<\/td>\n1.52<\/td>\n14.1<\/td>\n0.37<\/td>\n<\/tr>\n
#41<\/td>\n\u2014<\/td>\n12.700<\/td>\n6.35<\/td>\n6.25<\/td>\n3.66<\/td>\n1.27<\/td>\n7.9<\/td>\n0.26<\/td>\n<\/tr>\n
#50<\/td>\n10A<\/td>\n15.875<\/td>\n10.16<\/td>\n9.53<\/td>\n5.09<\/td>\n2.03<\/td>\n22.2<\/td>\n0.59<\/td>\n<\/tr>\n
#60<\/td>\n12A<\/td>\n19.050<\/td>\n11.91<\/td>\n12.57<\/td>\n5.96<\/td>\n2.39<\/td>\n31.8<\/td>\n0.84<\/td>\n<\/tr>\n
#80<\/td>\n16A<\/td>\n25.400<\/td>\n15.88<\/td>\n15.75<\/td>\n7.94<\/td>\n3.18<\/td>\n56.7<\/td>\n1.58<\/td>\n<\/tr>\n
#100<\/td>\n20A<\/td>\n31.750<\/td>\n19.05<\/td>\n18.90<\/td>\n9.54<\/td>\n3.96<\/td>\n88.5<\/td>\n2.46<\/td>\n<\/tr>\n
#120<\/td>\n24A<\/td>\n38.100<\/td>\n22.23<\/td>\n25.22<\/td>\n11.11<\/td>\n4.78<\/td>\n127.0<\/td>\n3.56<\/td>\n<\/tr>\n
#140<\/td>\n28A<\/td>\n44.450<\/td>\n25.40<\/td>\n25.22<\/td>\n12.71<\/td>\n5.56<\/td>\n172.4<\/td>\n4.75<\/td>\n<\/tr>\n
#160<\/td>\n32A<\/td>\n50.800<\/td>\n28.58<\/td>\n31.55<\/td>\n14.29<\/td>\n6.35<\/td>\n226.8<\/td>\n6.43<\/td>\n<\/tr>\n
#180<\/td>\n36A<\/td>\n57.150<\/td>\n35.71<\/td>\n35.48<\/td>\n17.46<\/td>\n7.94<\/td>\n288.2<\/td>\n8.20<\/td>\n<\/tr>\n
#200<\/td>\n40A<\/td>\n63.500<\/td>\n39.68<\/td>\n37.85<\/td>\n19.85<\/td>\n9.53<\/td>\n400.3<\/td>\n11.20<\/td>\n<\/tr>\n
#240<\/td>\n48A<\/td>\n76.200<\/td>\n47.63<\/td>\n47.63<\/td>\n23.81<\/td>\n12.70<\/td>\n508.0<\/td>\n16.50<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u2020 \u010cerven\u00e9 hodnoty ve sloupci pr\u016fm\u011bru v\u00e1le\u010dku #40 ozna\u010duj\u00ed rozm\u011br, kter\u00fd se li\u0161\u00ed od ekvivalentu dle normy BS\/ISO 08A \u2013 nej\u010dast\u011bj\u0161\u00edho zdroje chyb k\u0159\u00ed\u017eov\u00e9 substituce p\u0159i t\u00e9to velikosti rozte\u010de. Norma ISO 08A pou\u017e\u00edv\u00e1 v\u00e1le\u010dek o pr\u016fm\u011bru 7,94 mm; BS 08B pou\u017e\u00edv\u00e1 v\u00e1le\u010dek o pr\u016fm\u011bru 8,51 mm. Ani jeden z nich spr\u00e1vn\u011b nesed\u00ed v geometrii zubu \u0159et\u011bzov\u00e9ho kola dle normy ANSI #40.<\/p>\n

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ANSI vs. ISO vs. BS: Kde se standardy li\u0161\u00ed a pro\u010d na tom z\u00e1le\u017e\u00ed<\/h2>\n

Kritick\u00fdm bodem odchylky mezi standardy ANSI a ISO je pr\u016fm\u011br v\u00e1le\u010dk\u016f p\u0159i mal\u00fdch rozte\u010d\u00edch. U \u0159et\u011bz\u016f o velikosti #80 (16A) a vy\u0161\u0161\u00edch jsou pr\u016fm\u011bry v\u00e1le\u010dk\u016f dle ANSI a ISO funk\u010dn\u011b identick\u00e9 \u2013 \u0159et\u011bzy jsou v praxi na spr\u00e1vn\u011b profilovan\u00fdch \u0159et\u011bzov\u00fdch kolech zam\u011bniteln\u00e9, i kdy\u017e technicky se jedn\u00e1 o odli\u0161n\u00e9 standardy. Pod #80 jsou rozd\u00edly v pr\u016fm\u011bru v\u00e1le\u010dk\u016f dostate\u010dn\u011b velk\u00e9, aby zp\u016fsobily m\u011b\u0159iteln\u00e9 chyby v z\u00e1b\u011bru paty zubu, pokud je na spr\u00e1vn\u011b profilovan\u00e9 \u0159et\u011bzov\u00e9 kolo namontov\u00e1n nespr\u00e1vn\u00fd \u0159et\u011bz.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
\u010c\u00edslo ANSI<\/th>\nEkvivalent ISO.<\/th>\nRozte\u010d (mm)<\/th>\nPr\u016fm\u011br v\u00e1le\u010dku ANSI (mm)<\/th>\nPr\u016fm\u011br v\u00e1lce ISO (mm)<\/th>\nPr\u016fm\u011br v\u00e1lce BS (mm)<\/th>\nZam\u011bniteln\u00e9?<\/th>\n<\/tr>\n<\/thead>\n
#35<\/td>\n\u017d\u00e1dn\u00fd ekvivalent ISO.<\/td>\n9.525<\/td>\n5.08<\/td>\nNen\u00ed k dispozici<\/td>\nNen\u00ed k dispozici<\/td>\nPouze ANSI<\/td>\n<\/tr>\n
#40<\/td>\n08A (ISO\/DIN)<\/td>\n12.700<\/td>\n7.92<\/td>\n7.94<\/td>\n8,51 (08B)<\/td>\nNedoporu\u010duje se<\/td>\n<\/tr>\n
#50<\/td>\n10A<\/td>\n15.875<\/td>\n10.16<\/td>\n10.16<\/td>\n10,16 (10B)<\/td>\nV\u00e1le\u010dek stejn\u00fd \u2013 \u0161\u00ed\u0159ka se li\u0161\u00ed<\/td>\n<\/tr>\n
#60<\/td>\n12A<\/td>\n19.050<\/td>\n11.91<\/td>\n11.91<\/td>\n11,91 (12B)<\/td>\nV\u00e1le\u010dek stejn\u00fd \u2013 \u0161\u00ed\u0159ka se li\u0161\u00ed<\/td>\n<\/tr>\n
#80<\/td>\n16A<\/td>\n25.400<\/td>\n15.88<\/td>\n15.88<\/td>\n15.88<\/td>\nFunk\u010dn\u011b zam\u011bniteln\u00e9<\/td>\n<\/tr>\n
#100+<\/td>\n20A+<\/td>\n31.75+<\/td>\nV\u0161echny t\u0159i standardy pou\u017e\u00edvaj\u00ed od #100 v\u00fd\u0161e stejn\u00fd pr\u016fm\u011br v\u00e1le\u010dk\u016f.<\/td>\nAno (ov\u011b\u0159te vnit\u0159n\u00ed \u0161\u00ed\u0159ku)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
Protiintuitivn\u00ed: rozd\u00edl v \u0161\u00ed\u0159ce vnit\u0159n\u00edho \u010dl\u00e1nku mezi ANSI a ISO je pro \u017eivotnost \u0159et\u011bzu d\u016fle\u017eit\u011bj\u0161\u00ed ne\u017e rozd\u00edl v pr\u016fm\u011bru v\u00e1le\u010dk\u016f.<\/strong> Vnit\u0159n\u00ed \u0161\u00ed\u0159ka \u010dl\u00e1nku \u0159et\u011bzu ISO 06B (ekvivalentn\u00ed rozte\u010d dle ANSI #35) je 9,65 mm; pro tuto rozte\u010d neexistuje ekvivalent dle ANSI \u2013 ANSI #35 pou\u017e\u00edv\u00e1 vnit\u0159n\u00ed \u0161\u00ed\u0159ku 4,78 mm p\u0159i rozte\u010di 9,525 mm, co\u017e je zcela odli\u0161n\u00e1 specifikace. U \u0159et\u011bz\u016f s velikost\u00ed #50 a vy\u0161\u0161\u00ed, kde se pr\u016fm\u011bry v\u00e1le\u010dk\u016f sb\u00edhaj\u00ed, je zb\u00fdvaj\u00edc\u00edm rozd\u00edlem vnit\u0159n\u00ed \u0161\u00ed\u0159ka \u010dl\u00e1nku \u2013 ANSI #60 m\u00e1 vnit\u0159n\u00ed \u0161\u00ed\u0159ku 12,57 mm oproti 11,27 mm u ISO 12A. Tento rozd\u00edl 1,3 mm ovliv\u0148uje, jak pevn\u011b \u0159et\u011bz dosed\u00e1 na plochu \u0159et\u011bzov\u00e9ho kola, a vytv\u00e1\u0159\u00ed m\u00edrnou bo\u010dn\u00ed v\u016fli v \u0159et\u011bzu ISO p\u0159i mont\u00e1\u017ei na \u0159et\u011bzov\u00e9 kolo dle ANSI a naopak. U \u010dist\u00fdch a dob\u0159e vyrovnan\u00fdch pohon\u016f je tato bo\u010dn\u00ed v\u016fle ne\u0161kodn\u00e1. U pohon\u016f s \u00fahlov\u00fdm nesouos\u00edm nebo ve zne\u010di\u0161t\u011bn\u00e9m prost\u0159ed\u00ed urychluje dodate\u010dn\u00e1 bo\u010dn\u00ed v\u016fle opot\u0159eben\u00ed vn\u011bj\u0161\u00edho okraje vnit\u0159n\u00edch \u010dl\u00e1nkov\u00fdch desek v\u016f\u010di plo\u0161e \u0159et\u011bzov\u00e9ho kola.<\/div>\n

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Dvojit\u00e9 a t\u011b\u017ek\u00e9 \u0159ady: Jak se li\u0161\u00ed od standardn\u00edch<\/h2>\n

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Standard (ANSI)<\/th>\nDvojit\u00fd ekvivalent stoup\u00e1n\u00ed.<\/th>\nT\u011b\u017ek\u00e1 \u0159ada (H)<\/th>\nZm\u011bna pr\u016fm\u011bru v\u00e1lce?<\/th>\nKompatibilita ozuben\u00fdch kol<\/th>\nPrim\u00e1rn\u00ed aplikace<\/th>\n<\/tr>\n<\/thead>\n
#40<\/td>\n#2040<\/td>\n#40H<\/td>\nNe (stejn\u00fd v\u00e1lec)<\/td>\nH: standardn\u00ed pastorek #40. 2040: specializovan\u00fd pastorek 2040.<\/td>\nH: pohony s vysok\u00fdm zat\u00ed\u017een\u00edm. 2040: pomal\u00fd dopravn\u00edk.<\/td>\n<\/tr>\n
#60<\/td>\n#2060<\/td>\n#60H<\/td>\nNe (stejn\u00fd v\u00e1lec)<\/td>\nH: standardn\u00ed pastorek #60. 2060: specializovan\u00e9 nebo standardn\u00ed.<\/td>\nH: t\u011b\u017ek\u00fd pr\u016fmysl. 2060: lehk\u00fd dopravn\u00edk, manipulace s d\u00edly.<\/td>\n<\/tr>\n
#80<\/td>\n#2080<\/td>\n#80H<\/td>\nNe (stejn\u00fd v\u00e1lec)<\/td>\nH: standardn\u00ed pastorek #80. 2080: specializovan\u00fd pastorek 2080.<\/td>\nH: r\u00e1zov\u00e1 zat\u00ed\u017een\u00ed. 2080: manipulace s obil\u00edm, pomal\u00e9 dopravn\u00edky.<\/td>\n<\/tr>\n
#100<\/td>\n#2100<\/td>\n#100H<\/td>\nNe (stejn\u00fd v\u00e1lec)<\/td>\nH: standardn\u00ed pastorek #100. 2100: specializovan\u00fd pastorek 2100.<\/td>\nH: t\u011b\u017ek\u00fd d\u016fln\u00ed\/pr\u016fmyslov\u00fd. 2100: dopravn\u00edk na sypk\u00e9 materi\u00e1ly.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

Identifikace v\u00e1le\u010dkov\u00e9ho \u0159et\u011bzu pomoc\u00ed t\u0159\u00ed fyzik\u00e1ln\u00edch m\u011b\u0159en\u00ed<\/h2>\n

Pokud se ozna\u010den\u00ed opot\u0159ebuje nebo se ztrat\u00ed p\u016fvodn\u00ed specifikace, t\u0159i m\u011b\u0159en\u00ed z \u0159et\u011bzce jednozna\u010dn\u011b identifikuj\u00ed s\u00e9rii t\u00e9m\u011b\u0159 ve v\u0161ech p\u0159\u00edpadech. Ka\u017ed\u00e9 m\u011b\u0159en\u00ed prove\u010fte kalibrovan\u00fdm posuvn\u00fdm m\u011b\u0159idlem nebo digit\u00e1ln\u00edm mikrometrem; m\u011b\u0159en\u00ed pomoc\u00ed metru nebo prav\u00edtka neposkytuj\u00ed pro tento \u00fa\u010del dostate\u010dnou p\u0159esnost.<\/p>\n

\n
\n
01<\/div>\n
Rozte\u010d (10\u010dl\u00e1nkov\u00e1 metoda)<\/div>\n

Zm\u011b\u0159te vzd\u00e1lenost mezi st\u0159edy \u010dep\u016f p\u0159esn\u011b na 10 \u010dl\u00e1nc\u00edch (\u010dep 1 a\u017e \u010dep 11). Vyd\u011blte 10. T\u00edm se vylou\u010d\u00ed opot\u0159eben\u00ed jednotliv\u00fdch kloub\u016f a z\u00edsk\u00e1 se p\u0159esn\u011bj\u0161\u00ed jmenovit\u00e1 rozte\u010d ne\u017e u m\u011b\u0159en\u00ed u jednoho \u010dl\u00e1nku. Opot\u0159ebovan\u00fd \u0159et\u011bz o d\u00e9lce 128,5 mm na 10 \u010dl\u00e1nc\u00edch d\u00e1v\u00e1 12,85 mm na \u010dl\u00e1nek \u2013 co\u017e odpov\u00edd\u00e1 opot\u0159ebovan\u00e9mu \u0159et\u011bzu #40 (nomin\u00e1ln\u00ed d\u00e9lka 12,70 mm plus p\u0159ibli\u017en\u011b 1,21 prodlou\u017een\u00ed TP3T).<\/p>\n<\/div>\n

\n
02<\/div>\n
Pr\u016fm\u011br v\u00e1lce (hlavn\u011b)<\/div>\n

Zm\u011b\u0159te vn\u011bj\u0161\u00ed pr\u016fm\u011br v\u00e1lcov\u00e9 kladky (ne pouzdra). Prove\u010fte n\u011bkolik m\u011b\u0159en\u00ed na r\u016fzn\u00fdch kladk\u00e1ch \u2013 odchylka ukazuje, zda \u0159et\u011bz vykazuje neobvykl\u00e9 opot\u0159eben\u00ed. Toto m\u011b\u0159en\u00ed je prim\u00e1rn\u00edm rozli\u0161ovac\u00edm znakem mezi ANSI a ISO p\u0159i stejn\u00e9 rozte\u010di. P\u0159i rozte\u010di 12,70 mm: 7,92 mm = ANSI #40; 7,94 mm = ISO 08A; 8,51 mm = BS 08B.<\/p>\n<\/div>\n

\n
03<\/div>\n
Vnit\u0159n\u00ed \u0161\u00ed\u0159ka \u010dl\u00e1nku<\/div>\n

Zm\u011b\u0159te sv\u011btlou vzd\u00e1lenost mezi dv\u011bma vnit\u0159n\u00edmi lamelami \u010dl\u00e1nk\u016f. T\u00edm se potvrd\u00ed spr\u00e1vn\u00e1 \u0161\u00ed\u0159ka \u010dela \u0159et\u011bzov\u00e9ho kola a rozli\u0161\u00ed se mezi variantami \u0159et\u011bzu se stejnou rozte\u010d\u00ed a pr\u016fm\u011brem v\u00e1le\u010dk\u016f. Tak\u00e9 se t\u00edm ur\u010d\u00ed, zda je \u0159et\u011bz simplexn\u00ed, duplexn\u00ed nebo triplexn\u00ed \u2013 m\u011b\u0159en\u00ed ud\u00e1v\u00e1 \u0161\u00ed\u0159ku mezery mezi prameny, nikoli celkovou \u0161\u00ed\u0159ku sestavy.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

P\u0159izp\u016fsoben\u00ed rozte\u010de \u0159et\u011bzu aplikaci: Praktick\u00fd p\u0159ehled<\/h2>\n

#25 a #35 (miniaturn\u00ed pohony).<\/strong> Tyto rozte\u010de se vyskytuj\u00ed v p\u0159esn\u00fdch p\u0159\u00edstroj\u00edch, mal\u00fdch pohonech dopravn\u00edkov\u00fdch index\u016f a automatiza\u010dn\u00edch za\u0159\u00edzen\u00edch, kde je provozn\u00ed rozsah omezen\u00fd a zat\u00ed\u017een\u00ed n\u00edzk\u00e9. \u0158et\u011bz #25 pracuj\u00edc\u00ed s ot\u00e1\u010dkami p\u0159es 3 000 ot.\/min je platnou konfigurac\u00ed pro mal\u00e9 servopohony. Ozuben\u00e1 kola pro tyto velikosti vy\u017eaduj\u00ed pe\u010dlivou specifikaci tvrdosti zub\u016f, proto\u017ee mal\u00e1 fyzick\u00e1 velikost znamen\u00e1, \u017ee opot\u0159eben\u00ed zub\u016f se rychle projev\u00ed \u2013 k dispozici jsou miniaturn\u00ed ozuben\u00e1 kola s povrchovou \u00fapravou kalen\u00e9 oceli. standardn\u00ed rozsah \u0159et\u011bzov\u00fdch kol<\/a> a\u017e 9 zub\u016f p\u0159i rozte\u010di #35.<\/p>\n

#40 a #50 (lehk\u00fd a\u017e st\u0159edn\u00ed pr\u016fmyslov\u00fd).<\/strong> Nejb\u011b\u017en\u011bj\u0161\u00ed velikosti rozte\u010d\u00ed v balic\u00edch, farmaceutick\u00fdch a potravin\u00e1\u0159sk\u00fdch za\u0159\u00edzen\u00edch. Tyto rozte\u010de jsou z\u00f3nou, kde se nej\u010dast\u011bji vyskytuj\u00ed chyby v substituci ANSI\u2013ISO, tak\u017ee je ov\u011b\u0159en\u00ed pr\u016fm\u011bru v\u00e1lc\u016f p\u0159ed objedn\u00e1n\u00edm obzvl\u00e1\u0161t\u011b d\u016fle\u017eit\u00e9. #40 je standardn\u00ed rozte\u010d pro v\u011bt\u0161inu pohon\u016f korejsk\u00fdch zem\u011bd\u011blsk\u00fdch sec\u00edch a p\u0159esazovac\u00edch stroj\u016f \u2013 konkr\u00e9tn\u011b pro mechanismy pro nastaven\u00ed rozte\u010de \u0159\u00e1dk\u016f, kde je vy\u017eadov\u00e1no n\u00edzk\u00e9 zat\u00ed\u017een\u00ed a p\u0159esn\u00e9 polohov\u00e1n\u00ed.<\/p>\n

#60 a #80 (st\u0159edn\u00ed pr\u016fmyslov\u00e9).<\/strong> Standard pro v\u011bt\u0161inu b\u011b\u017en\u00fdch pr\u016fmyslov\u00fdch pohon\u016f \u2013 pohony dopravn\u00edk\u016f, pohony \u010derpadel, pohony ventil\u00e1tor\u016f a pohony m\u00edchadel. \u0158et\u011bz #60 pokr\u00fdv\u00e1 v\u011bt\u0161inu pohon\u016f s v\u00fdkonem motor\u016f od 3,7 kW do 22 kW p\u0159i standardn\u00edch pr\u016fmyslov\u00fdch ot\u00e1\u010dk\u00e1ch. #80 pokr\u00fdv\u00e1 rozsah 11\u201355 kW. P\u0159i t\u011bchto velikostech rozte\u010de je \u0159et\u011bz dostate\u010dn\u011b robustn\u00ed, aby odpou\u0161t\u011bl drobn\u00e9 nesouososti a nedokonal\u00e9 maz\u00e1n\u00ed, co\u017e je jeden z d\u016fvod\u016f, pro\u010d jsou tak \u0161iroce pou\u017e\u00edv\u00e1ny. V\u00e1le\u010dkov\u00fd \u0159et\u011bz dle ANSI a ISO v proveden\u00ed #60 a #80<\/a> jsou skladem v korejsk\u00e9m skladu s dod\u00e1n\u00edm v ten sam\u00fd t\u00fdden.<\/p>\n

#100 a\u017e #240 (t\u011b\u017ek\u00fd pr\u016fmysl).<\/strong> Pou\u017e\u00edv\u00e1 se v pohonech, kde po\u017eadavek na p\u0159enos v\u00fdkonu p\u0159ekra\u010duje praktick\u00e9 mo\u017enosti v men\u0161\u00edch rozte\u010d\u00edch bez pou\u017eit\u00ed v\u00edce pramen\u016f. V t\u011bchto rozte\u010d\u00edch se hmotnost a setrva\u010dnost \u0159et\u011bzu st\u00e1vaj\u00ed v\u00fdznamn\u00fdmi faktory \u2013 \u0159et\u011bz #240 v\u00e1\u017e\u00ed 16,5 kg\/m a pohon s 3 metry \u0159et\u011bzu na ka\u017ed\u00e9 stran\u011b m\u00e1 v syst\u00e9mu v\u00edce ne\u017e 100 kg \u0159et\u011bzu rotuj\u00edc\u00edho. Setrva\u010dn\u00e9 zat\u00ed\u017een\u00ed od samotn\u00e9ho \u0159et\u011bzu m\u011b\u0159iteln\u011b p\u0159isp\u00edv\u00e1 k po\u017eadavk\u016fm na rozb\u011bhov\u00fd moment motoru v t\u011bchto velikostech rozte\u010de.<\/p>\n

\"v\u00e1le\u010dkov\u00fd<\/p>\n

\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
\nPro\u010d norma ANSI #35 nem\u00e1 ekvivalent dle ISO nebo DIN?<\/summary>\n
ANSI #35 m\u00e1 rozte\u010d 9,525 mm \u2013 3\/8 palce. Normy ISO 606 a DIN 8187 nezahrnuj\u00ed \u0159et\u011bz s rozte\u010d\u00ed 9,525 mm, proto\u017ee tato rozte\u010d spad\u00e1 mezi ISO 06B (rozte\u010d 9,525 mm, \u0161ir\u0161\u00ed vnit\u0159n\u00ed \u010dl\u00e1nek) a ISO 08A (rozte\u010d 12,70 mm). Norma ISO byla vyvinuta nez\u00e1visle na norm\u011b ANSI a zahrnovala r\u016fzn\u00e9 velikosti rozte\u010de odr\u00e1\u017eej\u00edc\u00ed evropsk\u00e9 v\u00fdrobn\u00ed postupy v dob\u011b normalizace. Pokud m\u00e1te stroj vyroben\u00fd podle normy ANSI s pou\u017eit\u00edm \u0159et\u011bzu #35, neexistuje \u017e\u00e1dn\u00e1 standardn\u00ed n\u00e1hrada ISO. Jedinou spr\u00e1vnou n\u00e1hradou je \u0159et\u011bz ANSI #35. Alternativy s metrickou rozte\u010d\u00ed u podobn\u00fdch velikost\u00ed (nap\u0159\u00edklad ISO 06B) maj\u00ed r\u016fzn\u00e9 pr\u016fm\u011bry v\u00e1le\u010dk\u016f, r\u016fzn\u00e9 vnit\u0159n\u00ed \u0161\u00ed\u0159ky a vy\u017eaduj\u00ed r\u016fzn\u00e1 \u0159et\u011bzov\u00e1 kola \u2013 nejsou pou\u017eitelnou n\u00e1hradou za ANSI #35.<\/div>\n<\/details>\n
\nMohu pou\u017e\u00edt dvourozte\u010dn\u00fd \u0159et\u011bz #2060 na standardn\u00edch ozuben\u00fdch kolech #60?<\/summary>\n
Ano, p\u0159i n\u00edzk\u00fdch rychlostech \u0159et\u011bzu \u2013 a to je z\u00e1m\u011brn\u00fd konstruk\u010dn\u00ed prvek syst\u00e9mu s dvojitou rozte\u010d\u00ed. Norma ANSI #2060 pou\u017e\u00edv\u00e1 stejn\u00fd pr\u016fm\u011br v\u00e1le\u010dk\u016f 11,91 mm jako standardn\u00ed #60, tak\u017ee v\u00e1le\u010dky spr\u00e1vn\u011b usazuj\u00ed do pater standardn\u00edch zub\u016f \u0159et\u011bzov\u00e9ho kola #60. Rozd\u00edl spo\u010d\u00edv\u00e1 v tom, \u017ee \u010dl\u00e1nky #2060 jsou dvakr\u00e1t del\u0161\u00ed ne\u017e standardn\u00ed \u010dl\u00e1nky #60, tak\u017ee ka\u017ed\u00fd druh\u00fd zub \u0159et\u011bzov\u00e9ho kola zab\u00edr\u00e1 s v\u00e1le\u010dkem, zat\u00edmco st\u0159\u00eddav\u00e9 zuby proch\u00e1zej\u00ed pr\u00e1zdn\u00fdm prostorem v rozte\u010di \u0159et\u011bzu. Standardn\u00ed \u0159et\u011bzov\u00e1 kola #60 spr\u00e1vn\u011b poh\u00e1n\u011bj\u00ed \u0159et\u011bz #2060 v pomal\u00fdch aplikac\u00edch. K dispozici jsou v\u0161ak specializovan\u00e1 \u0159et\u011bzov\u00e1 kola s dvojitou rozte\u010d\u00ed se st\u0159\u00eddav\u00fdmi pln\u00fdmi a \u010d\u00e1ste\u010dn\u00fdmi zuby pro z\u00e1b\u011br s ka\u017ed\u00fdm \u010dl\u00e1nkem \u2013 tato \u0159e\u0161en\u00ed sni\u017euj\u00ed polygon\u00e1ln\u00ed efekt a doporu\u010duj\u00ed se pro dopravn\u00edkov\u00e9 aplikace nad 30 m\/min, kde je d\u016fle\u017eit\u00fd plynul\u00fd z\u00e1b\u011br.<\/div>\n<\/details>\n
\nJak se rozm\u011brov\u011b li\u0161\u00ed v\u00e1le\u010dkov\u00fd \u0159et\u011bz z nerezov\u00e9 oceli od \u0159et\u011bzu z uhl\u00edkov\u00e9 oceli dle ANSI?<\/summary>\n
Rozm\u011brov\u011b se standardn\u00ed nerezov\u00fd v\u00e1le\u010dkov\u00fd \u0159et\u011bz ANSI vyr\u00e1b\u00ed se stejnou rozte\u010d\u00ed, pr\u016fm\u011brem v\u00e1le\u010dk\u016f a tolerancemi vnit\u0159n\u00ed \u0161\u00ed\u0159ky \u010dl\u00e1nk\u016f jako \u0159et\u011bz ANSI z uhl\u00edkov\u00e9 oceli. B\u011b\u017e\u00ed na stejn\u00fdch ozuben\u00fdch kolech a jeho spojovac\u00ed \u010dl\u00e1nky jsou zam\u011bniteln\u00e9. Rozd\u00edly spo\u010d\u00edvaj\u00ed v mechanick\u00fdch vlastnostech: nerezov\u00fd \u0159et\u011bz m\u00e1 minim\u00e1ln\u00ed mezn\u00ed zat\u00ed\u017een\u00ed p\u0159ibli\u017en\u011b o 15\u2013251 TP3T ni\u017e\u0161\u00ed ne\u017e ekvivalent z uhl\u00edkov\u00e9 oceli kv\u016fli ni\u017e\u0161\u00ed mezi kluzu nerezov\u00e9 oceli 304 a 316 p\u0159i ekvivalentn\u00edch pr\u016f\u0159ezech a tvrdost nerezov\u00fdch \u010dl\u00e1nkov\u00fdch desek a \u010dep\u016f je ni\u017e\u0161\u00ed ne\u017e u cementa\u010dn\u011b kalen\u00fdch komponent z uhl\u00edkov\u00e9 oceli \u2013 odolnost proti opot\u0159eben\u00ed v abrazivn\u00edm prost\u0159ed\u00ed je ni\u017e\u0161\u00ed ne\u017e u uhl\u00edkov\u00e9 oceli s odpov\u00eddaj\u00edc\u00ed povrchovou tvrdost\u00ed. Nerezov\u00e1 ocel se vol\u00ed pro odolnost proti korozi, nikoli pro nosnost nebo odolnost proti opot\u0159eben\u00ed.<\/div>\n<\/details>\n
\nCo znamen\u00e1 p\u0159\u00edpona \u201e-2\u201c nebo \u201e-3\u201c u ozna\u010den\u00ed \u0159et\u011bz\u016f, jako je #60-2 nebo #80-3?<\/summary>\n
\u010c\u00edseln\u00e1 p\u0159\u00edpona ud\u00e1v\u00e1 po\u010det pramen\u016f: #60-2 je duplex (dv\u011b rovnob\u011b\u017en\u00e9 prameny) a #80-3 je triplex (t\u0159i prameny). Rozte\u010d a pr\u016fm\u011br v\u00e1le\u010dk\u016f jsou shodn\u00e9 s verz\u00ed simplex. V\u00edcepramenn\u00fd \u0159et\u011bz vy\u017eaduje ozuben\u00e1 kola s odpov\u00eddaj\u00edc\u00edm po\u010dtem \u0159ad zub\u016f odd\u011blen\u00fdch p\u0159esn\u011b dimenzovanou vodic\u00ed dr\u00e1\u017ekou nebo distan\u010dn\u00ed deskou. Jmenovit\u00fd v\u00fdkon pro duplex je p\u0159ibli\u017en\u011b 1,7\u00d7 hodnota simplexu (ne p\u0159esn\u011b 2\u00d7, proto\u017ee prameny nerozd\u011bluj\u00ed zat\u00ed\u017een\u00ed dokonale rovnom\u011brn\u011b); triplex je p\u0159ibli\u017en\u011b 2,5\u00d7. Vnit\u0159n\u00ed \u0161\u00ed\u0159ky \u010dl\u00e1nk\u016f pro v\u00edcepramenn\u00fd \u0159et\u011bz se li\u0161\u00ed od ekvivalentu simplexu \u2013 celkov\u00e1 \u0161\u00ed\u0159ka sestavy se s ka\u017ed\u00fdm pramenem zv\u011bt\u0161uje, co\u017e je t\u0159eba zohlednit ve v\u016fli sk\u0159\u00edn\u011b pohonu.<\/div>\n<\/details>\n

<\/p>\n

\n
\n
\n

Pot\u0159ebujete ten spr\u00e1vn\u00fd v\u00e1le\u010dkov\u00fd \u0159et\u011bz, ov\u011b\u0159en\u00fd p\u0159ed objedn\u00e1n\u00edm?<\/h2>\n

Za\u0161lete n\u00e1m t\u0159i rozm\u011bry \u2013 rozte\u010d, pr\u016fm\u011br v\u00e1le\u010dk\u016f, vnit\u0159n\u00ed \u0161\u00ed\u0159ku \u2013 a na\u0161i technici potvrd\u00ed s\u00e9rii \u0159et\u011bzu, standard a materi\u00e1lovou variantu. P\u0159ed potvrzen\u00edm jak\u00e9koli objedn\u00e1vky ov\u011b\u0159ujeme dostupnost na sklad\u011b.<\/p>\n<\/div>\n

Prohl\u00e9dnout sortiment v\u00e1le\u010dkov\u00fdch \u0159et\u011bz\u016f<\/a>
\nPo\u0161lete sv\u00e9 m\u00edry<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n

St\u0159iha\u010d: Cxm<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Technical Reference Guide Roller Chain Pitch Sizes: Complete Reference Chart from #25 to #240 Every dimension you need to identify, compare, and specify standard ANSI roller chain \u2014 including where the ANSI and ISO standards diverge, and why that divergence matters more for smaller pitches than larger ones. Ask Our Team to Confirm Your Chain […]<\/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-3347","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\/3347","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=3347"}],"version-history":[{"count":1,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/posts\/3347\/revisions"}],"predecessor-version":[{"id":3348,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/posts\/3347\/revisions\/3348"}],"wp:attachment":[{"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/media?parent=3347"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/categories?post=3347"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/tags?post=3347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}