{"id":3270,"date":"2026-05-13T07:54:22","date_gmt":"2026-05-13T07:54:22","guid":{"rendered":"https:\/\/sprocket-chain.net\/?post_type=product&p=3270"},"modified":"2026-05-13T07:54:22","modified_gmt":"2026-05-13T07:54:22","slug":"wr78-wh78-welded-steel-chain-sprockets","status":"publish","type":"product","link":"https:\/\/sprocket-chain.net\/cs\/produkt\/wr78-wh78-welded-steel-chain-sprockets\/","title":{"rendered":"Sva\u0159ovan\u00e1 ocelov\u00e1 \u0159et\u011bzov\u00e1 kola WR78 \/ WH78 | A-Plate 7\u201320 zub\u016f \u2013 m\u011bkk\u00e1 ocel a kalen\u00e9 QT400"},"content":{"rendered":"
\n

Sva\u0159ovan\u00e9 ocelov\u00e9 \u0159et\u011bzy WR78 a WH78 \u2013 konstrukce, rozd\u00edly a kompatibilita s ozuben\u00fdmi koly<\/h2>\n

Sva\u0159ovan\u00fd ocelov\u00fd \u0159et\u011bz je kategori\u00ed t\u011b\u017ek\u00fdch in\u017een\u00fdrsk\u00fdch \u0159et\u011bz\u016f, kde jsou \u010dl\u00e1nky \u0159et\u011bzu vytvo\u0159eny ra\u017een\u00edm a sva\u0159ov\u00e1n\u00edm tlust\u00fdch ocelov\u00fdch plech\u016f \u2013 co\u017e se z\u00e1sadn\u011b li\u0161\u00ed od \u010depov\u00fdch \u0159et\u011bz\u016f (litinov\u00e9 \u010dl\u00e1nky) a v\u00e1le\u010dkov\u00fdch \u0159et\u011bz\u016f (sestaven\u00e1 konstrukce s \u010depem, pouzdrem a v\u00e1le\u010dkem). Sva\u0159ovan\u00e1 konstrukce vytv\u00e1\u0159\u00ed \u0159et\u011bz bez samostatn\u00fdch vnit\u0159n\u00edch\/vn\u011bj\u0161\u00edch desek: ka\u017ed\u00fd \u010dl\u00e1nek je jeden souvisl\u00fd sva\u0159ovan\u00fd ocelov\u00fd prvek, co\u017e t\u011bmto \u0159et\u011bz\u016fm d\u00e1v\u00e1 v\u00fdjime\u010dnou odolnost v\u016f\u010di bo\u010dn\u00edmu ohybu a r\u00e1zov\u00e9mu zat\u00ed\u017een\u00ed, s n\u00edm\u017e se setk\u00e1v\u00e1me u kore\u010dkov\u00fdch dopravn\u00edk\u016f, vle\u010dn\u00fdch dopravn\u00edk\u016f a t\u011b\u017ek\u00fdch zem\u011bd\u011blsk\u00fdch aplikac\u00ed.<\/p>\n

\u00a0\"Sva\u0159ovan\u00e1<\/p>\n

Ozna\u010den\u00ed WR78 a WH78 zahrnuj\u00ed dva bl\u00edzce p\u0159\u00edbuzn\u00e9 \u0159et\u011bzy se stejnou rozte\u010d\u00ed 2,609 palce:<\/p>\n

\n
\n
WR78 \u2014 Ocelov\u00fd \u0159et\u011bz s odsazenou bo\u010dnic\u00ed<\/div>\n
WR78 je konstruov\u00e1n s odsazen\u00fdmi bo\u010dn\u00edmi ty\u010demi \u2013 bo\u010dn\u00ed ty\u010d ka\u017ed\u00e9ho \u010dl\u00e1nku je ohnuta pod \u00fahlem, kter\u00fd zp\u016fsobuje, \u017ee se sousedn\u00ed \u010dl\u00e1nky vz\u00e1jemn\u011b zablokuj\u00ed v m\u00edstech k\u0159\u00ed\u017een\u00ed. Odsazen\u00e1 geometrie poskytuje pevn\u011bj\u0161\u00ed a kompaktn\u011bj\u0161\u00ed konstrukci \u0159et\u011bzu, kter\u00e1 je odoln\u00e1 proti kroucen\u00ed p\u0159i zat\u00ed\u017een\u00ed mimo osu. \u201eR\u201c ozna\u010duje standardn\u00ed (b\u011b\u017enou) konstrukci. WR78 je nejb\u011b\u017en\u011bj\u0161\u00ed specifikac\u00ed pro zem\u011bd\u011blsk\u00e9 ta\u017een\u00e9 dopravn\u00edky, obiln\u00e9 sily a lehk\u00e9 pr\u016fmyslov\u00e9 ta\u017een\u00e9 \u0159et\u011bzy.<\/div>\n<\/div>\n
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WH78 \u2014 Sva\u0159ovan\u00fd ocelov\u00fd \u0159et\u011bz pro ml\u00fdnsk\u00e9 a t\u011b\u017ek\u00e9 stroje<\/div>\n
WH78 pou\u017e\u00edv\u00e1 siln\u011bj\u0161\u00ed bo\u010dn\u00ed nosn\u00edk ne\u017e WR78 \u2013 p\u00edsmeno \u201eH\u201c ozna\u010duje t\u011b\u017ekou konstrukci. Stejn\u00e1 rozte\u010d 2,609 palce, stejn\u00fd pr\u016fm\u011br v\u00e1lce (0,875 palce), stejn\u00e1 plocha zubu (1,000 palce), d\u00edky \u010demu\u017e je WH78 p\u0159\u00edmo kompatibiln\u00ed se stejn\u00fdmi ozuben\u00fdmi koly jako WR78. WH78 je ur\u010den pro aplikace vy\u017eaduj\u00edc\u00ed vy\u0161\u0161\u00ed mezn\u00ed zat\u00ed\u017een\u00ed \u2013 dopravn\u00edky surovin pro cement\u00e1rny, manipulace s ocelovou struskou a pr\u016fmyslov\u00e9 aplikace, kde r\u00e1zov\u00e9 zat\u00ed\u017een\u00ed p\u0159ekra\u010duje jmenovitou hodnotu WR78. Oba \u0159et\u011bzy pou\u017e\u00edvaj\u00ed identick\u00e1 ozuben\u00e1 kola: jak\u00e9koli ozuben\u00e9 kolo uveden\u00e9 jako WH78-A je kompatibiln\u00ed i s WR78.<\/div>\n<\/div>\n<\/div>\n

Ozuben\u00e9 kolo s deskou A nem\u00e1 \u017e\u00e1dn\u00fd v\u00fdstupek n\u00e1boje \u2013 ozuben\u00e9 kolo je ploch\u00fd disk s profilem zubu vy\u0159\u00edznut\u00fdm na vn\u011bj\u0161\u00edm okraji a pr\u016fchoz\u00edm otvorem uprost\u0159ed. Toto je standardn\u00ed konfigurace pro sva\u0159ovan\u00e9 ocelov\u00e9 \u0159et\u011bzov\u00e9 pohony, kde je ozuben\u00e9 kolo p\u0159ipevn\u011bno k h\u0159\u00eddeli kl\u00ednem a uchyceno pomoc\u00ed obj\u00edmek nebo ramen h\u0159\u00eddele.<\/p>\n

Pro podrobn\u00e9 informace Specifikace sva\u0159ovan\u00e9ho ocelov\u00e9ho \u0159et\u011bzu WR78<\/a> v\u010detn\u011b mezn\u00edch zat\u00ed\u017een\u00ed, konfigurac\u00ed upevn\u011bn\u00ed a kompatibility s konstruk\u010dn\u00edmi variantami XHD jsou technick\u00e9 referen\u010dn\u00ed \u00fadaje k dispozici na vy\u017e\u00e1d\u00e1n\u00ed od spole\u010dnosti Korea Ever-Power p\u0159ed objedn\u00e1n\u00edm.<\/p>\n

<\/p>\n

T\u0159i mo\u017enosti konstrukce \u2013 pln\u00e1, d\u011blen\u00e1 na \u0161rouby, d\u011blen\u00e1 pro sva\u0159ov\u00e1n\u00ed<\/h2>\n

Ozuben\u00e1 kola WR78\/WH78 s A-deskou lze vyrobit ve t\u0159ech konstruk\u010dn\u00edch konfigurac\u00edch, z nich\u017e ka\u017ed\u00e1 je vhodn\u00e1 pro jin\u00fd sc\u00e9n\u00e1\u0159 instalace a \u00fadr\u017eby:<\/p>\n

\n
\n
Pevn\u00e1 konstrukce \u2013 standardn\u00ed, maxim\u00e1ln\u00ed pevnost<\/div>\n
Standardn\u00ed deska A je vyrobena z jednoho pln\u00e9ho polotovaru. Maxim\u00e1ln\u00ed struktur\u00e1ln\u00ed integrita a pevnost v pat\u011b zubu. Vy\u017eadov\u00e1no pro aplikace s vysok\u00fdmi r\u00e1zy a pohony, kde mus\u00ed \u0159et\u011bzov\u00e9 kolo p\u0159en\u00e1\u0161et vysok\u00fd to\u010div\u00fd moment p\u0159es dr\u00e1\u017eku pro pero. V\u00fdm\u011bna vy\u017eaduje demont\u00e1\u017e h\u0159\u00eddele, pokud konec h\u0159\u00eddele nen\u00ed p\u0159\u00edstupn\u00fd \u2013 \u0159et\u011bzov\u00e9 kolo mus\u00ed b\u00fdt z konce h\u0159\u00eddele sejmuto.<\/div>\n<\/div>\n
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D\u011blen\u00e9 na \u0161roub \u2013 Dv\u011b poloviny, vym\u011bniteln\u00e9 v ter\u00e9nu bez demont\u00e1\u017ee h\u0159\u00eddele<\/div>\n
Ozuben\u00e9 kolo je vyrobeno ze dvou polovin, kter\u00e9 se k sob\u011b \u0161roubuj\u00ed kolem h\u0159\u00eddele. Umo\u017e\u0148uje kompletn\u00ed v\u00fdm\u011bnu ozuben\u00e9ho kola bez nutnosti demont\u00e1\u017ee h\u0159\u00eddele z lo\u017eisek \u2013 shodn\u00e1 v\u00fdhoda \u00fadr\u017eby jako u d\u011blen\u00fdch ozuben\u00fdch kol popsan\u00fdch na str\u00e1nce \u0159ady 81X. D\u011blen\u00e1 konstrukce se \u0161rouby je p\u0159esn\u011b slad\u011bna: ob\u011b poloviny jsou obrobeny spole\u010dn\u011b jako sp\u00e1rovan\u00e1 sada a mus\u00ed b\u00fdt vym\u011bn\u011bny jako p\u00e1r. O n\u011bco vy\u0161\u0161\u00ed cena ne\u017e u pln\u00e9ho kola; od\u016fvodn\u011bno \u00fasporou \u010dasu pot\u0159ebn\u00e9ho k \u00fadr\u017eb\u011b na ru\u0161n\u00fdch dopravn\u00edkov\u00fdch link\u00e1ch.<\/div>\n<\/div>\n
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D\u011blen\u00e9 pro sva\u0159ov\u00e1n\u00ed \u2013 dv\u011b poloviny, p\u0159iva\u0159en\u00e9 k \u010depu h\u0159\u00eddele<\/div>\n
Ozuben\u00e9 kolo se dod\u00e1v\u00e1 ve dvou polovin\u00e1ch ur\u010den\u00fdch k p\u0159iva\u0159en\u00ed na vyroben\u00fd \u010dep h\u0159\u00eddele nebo sou\u010d\u00e1st pohonu dopravn\u00edku. Tato konstrukce se pou\u017e\u00edv\u00e1 u zak\u00e1zkov\u011b vyr\u00e1b\u011bn\u00fdch dopravn\u00edkov\u00fdch za\u0159\u00edzen\u00ed, kde h\u0159\u00eddel nen\u00ed standardn\u00edm obr\u00e1b\u011bn\u00fdm d\u00edlem \u2013 poloviny ozuben\u00fdch kol se um\u00edst\u00ed a p\u0159iva\u0159\u00ed k vyroben\u00e9 h\u0159\u00eddeli b\u011bhem mont\u00e1\u017ee za\u0159\u00edzen\u00ed. Nen\u00ed vhodn\u00e9 pro dodate\u010dnou v\u00fdm\u011bnu, pouze pro novou v\u00fdrobu nebo v\u011bt\u0161\u00ed rekonstrukci.<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

Specifikace \u0159et\u011bzov\u00e9ho kola WH78 A-Plate \u2014 7 a\u017e 20 zub\u016f<\/h2>\n

V\u0161echny rozm\u011bry jsou v palc\u00edch. Rozte\u010d je 2,609 palce pro v\u0161echny velikosti (stejn\u011b jako u \u0159ady 81X). Pr\u016fm\u011br hlavn\u011b a \u010deln\u00ed plocha zubu jsou v cel\u00e9m rozsahu konzistentn\u00ed (0,875\u2033 a 1,000\u2033). Maxim\u00e1ln\u00ed otvor se zvy\u0161uje s po\u010dtem zub\u016f od 2,1875\u2033 (7T) do 5,9375\u2033 (20T).<\/p>\n

\"Rozm\u011br<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0158et\u011bzov\u00e9 kolo #<\/th>\nZuby<\/th>\nRozte\u010d (v palc\u00edch)<\/th>\nPr\u016fm\u011br v\u00fd\u0161ky t\u00f3nu.<\/th>\nStyl<\/th>\nPl\u00e1tno Dia.<\/th>\nPr\u016fm\u011br hlavn\u011b.<\/th>\nZubn\u00ed obli\u010dej<\/th>\nMax Bore<\/th>\nHmotnost<\/th>\n<\/tr>\n<\/thead>\n
WH78-A7<\/td>\n7<\/td>\n2,609 palce<\/td>\n6,01\u2033<\/td>\nA-Deska<\/td>\n4,150\u2033<\/td>\n0,875\u2033<\/td>\n1 000 palc\u016f<\/td>\n2,1875\u2033<\/td>\n7,5 liber<\/td>\n<\/tr>\n
WH78-A8<\/td>\n8<\/td>\n2,609 palce<\/td>\n6,82\u2033<\/td>\nA-Deska<\/td>\n5,040\u2033<\/td>\n0,875\u2033<\/td>\n1 000 palc\u016f<\/td>\n2,4375\u2033<\/td>\n9,0 liber<\/td>\n<\/tr>\n
WH78-A9<\/td>\n9<\/td>\n2,609 palce<\/td>\n7,63\u2033<\/td>\nA-Deska<\/td>\n5,920\u2033<\/td>\n0,875\u2033<\/td>\n1 000 palc\u016f<\/td>\n2,6875\u2033<\/td>\n11,0 liber<\/td>\n<\/tr>\n
WH78-A10<\/td>\n10<\/td>\n2,609 palce<\/td>\n8,44\u2033<\/td>\nA-Deska<\/td>\n6,776 palce<\/td>\n0,875\u2033<\/td>\n1 000 palc\u016f<\/td>\n2,9375\u2033<\/td>\n14,0 liber<\/td>\n<\/tr>\n
WH78-A11<\/td>\n11<\/td>\n2,609 palce<\/td>\n9,26\u2033<\/td>\nA-Deska<\/td>\n7,640\u2033<\/td>\n0,875\u2033<\/td>\n1 000 palc\u016f<\/td>\n3,4375\u2033<\/td>\n17,0 liber<\/td>\n<\/tr>\n
WH78-A12<\/td>\n12<\/td>\n2,609 palce<\/td>\n10,08\u2033<\/td>\nA-Deska<\/td>\n8,500\u2033<\/td>\n0,875\u2033<\/td>\n1 000 palc\u016f<\/td>\n3,4375\u2033<\/td>\n20,0 liber<\/td>\n<\/tr>\n
WH78-A13<\/td>\n13<\/td>\n2,609 palce<\/td>\n10,90\u2033<\/td>\nA-Deska<\/td>\n9,350\u2033<\/td>\n0,875\u2033<\/td>\n1 000 palc\u016f<\/td>\n3,9375\u2033<\/td>\n23,0 liber<\/td>\n<\/tr>\n
WH78-A14<\/td>\n14<\/td>\n2,609 palce<\/td>\n11,72\u2033<\/td>\nA-Deska<\/td>\n10,180\u2033<\/td>\n0,875\u2033<\/td>\n1 000 palc\u016f<\/td>\n4,9375\u2033<\/td>\n27,0 liber<\/td>\n<\/tr>\n
WH78-A15<\/td>\n15<\/td>\n2,609 palce<\/td>\n12,55\u2033<\/td>\nA-Deska<\/td>\n11,030\u2033<\/td>\n0,875\u2033<\/td>\n1 000 palc\u016f<\/td>\n4,9375\u2033<\/td>\n31,0 liber<\/td>\n<\/tr>\n
WH78-A16<\/td>\n16<\/td>\n2,609 palce<\/td>\n13,37\u2033<\/td>\nA-Deska<\/td>\n11,860\u2033<\/td>\n0,875\u2033<\/td>\n1 000 palc\u016f<\/td>\n4,9375\u2033<\/td>\n35,0 liber<\/td>\n<\/tr>\n
WH78-A17<\/td>\n17<\/td>\n2,609 palce<\/td>\n14,20\u2033<\/td>\nA-Deska<\/td>\n12,710\u2033<\/td>\n0,875\u2033<\/td>\n1 000 palc\u016f<\/td>\n4,9375\u2033<\/td>\n38,0 liber<\/td>\n<\/tr>\n
WH78-A18<\/td>\n18<\/td>\n2,609 palce<\/td>\n15,02\u2033<\/td>\nA-Deska<\/td>\n13,550\u2033<\/td>\n0,875\u2033<\/td>\n1 000 palc\u016f<\/td>\n4,9375\u2033<\/td>\n41,0 liber<\/td>\n<\/tr>\n
WH78-A19<\/td>\n19<\/td>\n2,609 palce<\/td>\n15,85\u2033<\/td>\nA-Deska<\/td>\n14,380\u2033<\/td>\n0,875\u2033<\/td>\n1 000 palc\u016f<\/td>\n4,9375\u2033<\/td>\n44,0 liber<\/td>\n<\/tr>\n
WH78-A20<\/td>\n20<\/td>\n2,609 palce<\/td>\n14,20\u2033<\/td>\nA-Deska<\/td>\n12,710\u2033<\/td>\n0,875\u2033<\/td>\n1 000 palc\u016f<\/td>\n5,9375\u2033<\/td>\n47,0 liber<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

V\u00fdb\u011br materi\u00e1lu \u2013 n\u00edzkouhl\u00edkov\u00e1 ocel vs. kalen\u00e1 a popou\u0161t\u011bn\u00e1 ocel QT400<\/h2>\n

\"WR78<\/p>\n

\u0158et\u011bzov\u00e1 kola WR78\/WH78 s A-deskou jsou k dispozici ve dvou materi\u00e1lov\u00fdch t\u0159\u00edd\u00e1ch s v\u00fdrazn\u011b odli\u0161n\u00fdmi v\u00fdkonnostn\u00edmi charakteristikami:<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
Vlastnictv\u00ed<\/th>\nM\u011bkk\u00e1 ocel<\/th>\nQT400 (kalen\u00e9 a popou\u0161t\u011bn\u00e9)<\/th>\n<\/tr>\n<\/thead>\n
Mez kluzu<\/td>\n250 MPa (36 000 psi)<\/td>\nMinim\u00e1ln\u011b 400 MPa (58 000 psi)<\/strong><\/td>\n<\/tr>\n
Tvrdost \u010deln\u00ed plochy zubu<\/td>\n120\u2013160 HB (po obroben\u00ed)<\/td>\n300\u2013360 HB (kalen\u00e9)<\/strong><\/td>\n<\/tr>\n
Odolnost proti od\u011bru<\/td>\nM\u00edrn\u00fd<\/td>\nVynikaj\u00edc\u00ed<\/strong><\/td>\n<\/tr>\n
Obrobitelnost (obr\u00e1b\u011bn\u00ed otvor\u016f)<\/td>\nSnadn\u00e9 \u2013 standardn\u00ed n\u00e1stroje<\/strong><\/td>\nSt\u0159edn\u00ed \u2013 vy\u017eaduje tvrd\u0161\u00ed n\u00e1stroje<\/td>\n<\/tr>\n
Nejlep\u0161\u00ed aplikace<\/td>\nLehk\u00e9 a\u017e st\u0159edn\u00ed zem\u011bd\u011blsk\u00e9, n\u00edzk\u00e9 od\u011brky<\/td>\nPr\u016fmyslov\u00e9 abrazivo, vysokorychlostn\u00ed, pro vysok\u00e9 zat\u00ed\u017een\u00ed<\/strong><\/td>\n<\/tr>\n
Dodac\u00ed lh\u016fta<\/td>\nZe skladu<\/strong><\/td>\nV\u00fdroba 3\u20134 t\u00fddny<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

QT400 je ur\u010den pro cement\u00e1rny, manipulaci s ocelovou struskou a pr\u016fmyslov\u00e9 dopravn\u00edky, kde je vy\u017eadov\u00e1na vy\u0161\u0161\u00ed tvrdost, aby odol\u00e1vala od\u011bru od dopravovan\u00e9ho materi\u00e1lu, kter\u00fd p\u0159ich\u00e1z\u00ed do styku s \u010delem zubu \u0159et\u011bzov\u00e9ho kola. Pro standardn\u00ed zem\u011bd\u011blsk\u00e9 dopravn\u00edky na obil\u00ed a manipulaci s lehk\u00fdm pr\u016fmyslov\u00fdm materi\u00e1lem poskytuje n\u00edzkouhl\u00edkov\u00e1 ocel dostate\u010dnou \u017eivotnost p\u0159i ni\u017e\u0161\u00edch n\u00e1kladech.<\/p>\n

<\/p>\n

Nekovov\u00e1 t\u011blesa nap\u00ednac\u00edch kol \u2013 mosaz, nylon a UHMW s mazac\u00edmi spojkami<\/h2>\n

Nap\u00ednac\u00ed kola WR78\/WH78 (nepoh\u00e1n\u011bc\u00ed nav\u00edjec\u00ed ozuben\u00e1 kola) mohou b\u00fdt dod\u00e1v\u00e1na s nekovov\u00fdmi t\u011blesy z mosazi, nylonu nebo UHMW-PE nam\u00edsto oceli. Tato konfigurace zahrnuj\u00ed mazac\u00ed dr\u00e1\u017eky vyfr\u00e9zovan\u00e9 do kontaktn\u00ed plochy v\u00e1lce a standardn\u00ed maznice pro pravideln\u00e9 maz\u00e1n\u00ed. Nekovov\u00e9 t\u011bleso sni\u017euje koeficient t\u0159en\u00ed v m\u00edst\u011b kontaktu \u0159et\u011bzu s ozuben\u00fdm kolem, co\u017e je obzvl\u00e1\u0161t\u011b cenn\u00e9 u nap\u00ednac\u00edch kol, kde se \u0159et\u011bz dot\u00fdk\u00e1 ozuben\u00e9ho kola bez p\u0159enosu kroutic\u00edho momentu \u2013 minimalizuje se tak odpor, kter\u00fd by jinak kontakt oceli s ocel\u00ed vyv\u00edjel na napnut\u00ed \u0159et\u011bzu.<\/p>\n

Mosazn\u00e1 t\u011blesa nap\u00ednac\u00edch kol jsou ur\u010dena pro mokr\u00e1 nebo korozivn\u00ed prost\u0159ed\u00ed, kde by ocel korodovala. Nylonov\u00e1 t\u011blesa se pou\u017e\u00edvaj\u00ed tam, kde je d\u016fle\u017eit\u00e9 sn\u00ed\u017een\u00ed hmotnosti. T\u011blesa z uhlohydr\u00e1tov\u00e9 oceli (UHMW) (s nejni\u017e\u0161\u00edm koeficientem t\u0159en\u00ed) jsou preferovanou specifikac\u00ed pro pozice nap\u00ednac\u00edch kol v aplikac\u00edch s cementem a kamenivem, kde se abrazivn\u00ed prach dot\u00fdk\u00e1 ozuben\u00e9ho kola \u2013 UHMW odol\u00e1v\u00e1 abrazivn\u00edmu opot\u0159eben\u00ed l\u00e9pe ne\u017e nylon za t\u011bchto kontaktn\u00edch podm\u00ednek. V\u0161echny t\u0159i materi\u00e1ly jsou k dispozici se standardn\u00edm profilem zub\u016f WR78\/WH78 a libovolnou velikost\u00ed otvoru v r\u00e1mci maxim\u00e1ln\u00edho limitu otvoru ozuben\u00e9ho kola.<\/p>\n

<\/p>\n

Kde se pou\u017e\u00edvaj\u00ed sva\u0159ovan\u00e1 ocelov\u00e1 \u0159et\u011bzov\u00e1 kola WR78\/WH78<\/h2>\n
\n
\n
\ud83c\udf3e Zem\u011bd\u011blsk\u00e9 vle\u010dn\u00e9 dopravn\u00edky<\/div>\n

\"WR78<\/p>\n

Korejsk\u00e9 sklady obil\u00ed a krmiv\u00e1\u0159sk\u00e9 z\u00e1vody pou\u017e\u00edvaj\u00ed \u0159et\u011bz WR78 na vle\u010dn\u00fdch dopravn\u00edc\u00edch a \u0159et\u011bzov\u00fdch dopravn\u00edc\u00edch na obil\u00ed, kde \u0159et\u011bz t\u00e1hne lopatky skrz \u017elab ve tvaru U. Pro standardn\u00ed aplikace s vle\u010dn\u00fdmi dopravn\u00edky na obil\u00ed jsou b\u011b\u017en\u00e9 \u0159et\u011bzy WH78-A9 a WH78-A10; pro pomalej\u0161\u00ed vratn\u00e9 sekce je v\u011bt\u0161\u00ed po\u010det zub\u016f. Pro v\u011bt\u0161inu sez\u00f3nn\u00edch manipula\u010dn\u00edch \u00fakon\u016f s obil\u00edm jsou dosta\u010duj\u00edc\u00ed \u0159et\u011bzov\u00e1 kola z m\u011bkk\u00e9 oceli.<\/p>\n<\/div>\n

\n
\ud83c\udfed Manipulace s cementem a kamenivem<\/div>\n

\"Manipulace<\/p>\n

Korejsk\u00e9 cement\u00e1rny pou\u017e\u00edvaj\u00ed \u0159et\u011bz WH78 na vle\u010dn\u00fdch dopravn\u00edc\u00edch sl\u00ednku a surovin, kde abrazivn\u00ed materi\u00e1l, kter\u00fd je v kontaktu s \u0159et\u011bzem, vy\u017eaduje kalen\u00e1 ozuben\u00e1 kola QT400. U h\u0159\u00eddel\u00ed hlavy se st\u00e1le \u010dast\u011bji specifikuje konstrukce s d\u011blen\u00fdm \u0161roubem, kter\u00e1 umo\u017e\u0148uje v\u00fdm\u011bnu ozuben\u00fdch kol b\u011bhem pl\u00e1novan\u00fdch \u00fadr\u017ebov\u00fdch interval\u016f bez nutnosti demont\u00e1\u017ee cel\u00e9 sestavy hlavy dopravn\u00edku.<\/p>\n<\/div>\n

\n
\u2699 Dopravn\u00edkov\u00e9 za\u0159\u00edzen\u00ed vyroben\u00e9 na zak\u00e1zku<\/div>\n

\"Sva\u0159ovan\u00fd<\/p>\n

Korej\u0161t\u00ed v\u00fdrobci dopravn\u00edkov\u00fdch za\u0159\u00edzen\u00ed, kte\u0159\u00ed vyr\u00e1b\u011bj\u00ed zak\u00e1zkov\u00e9 vle\u010dn\u00e9 a kore\u010dkov\u00e9 dopravn\u00edky pro pr\u016fmyslov\u00e9 klienty, pou\u017e\u00edvaj\u00ed d\u011blen\u00e1 sva\u0159ovan\u00e1 ozuben\u00e1 kola WH78 s A-deskou, u kter\u00fdch je h\u0159\u00eddel vyrobenou sou\u010d\u00e1st\u00ed, nikoli obrobenou h\u0159\u00eddel\u00ed. Sva\u0159ovan\u00e1 konstrukce je ned\u00edlnou sou\u010d\u00e1st\u00ed konstrukce dopravn\u00edku, co\u017e umo\u017e\u0148uje p\u0159esn\u00e9 dimenzov\u00e1n\u00ed a um\u00edst\u011bn\u00ed ozuben\u00e9ho kola b\u011bhem v\u00fdroby. Kompatibilita \u0159et\u011bz\u016f WR78 i WH78 zaji\u0161\u0165uje podporu st\u00e1vaj\u00edc\u00edho \u0159et\u011bzu klienta.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

Pro\u010d Korea Ever-Power Chain and Sprocket<\/h2>\n

\"V\u00fdroba<\/p>\n

Korea Ever-Power Chain and Sprocket Co., Ltd.<\/a> dod\u00e1v\u00e1 ozuben\u00e1 kola WR78\/WH78 s A-deskou s kompletn\u00edm v\u00fdb\u011brem materi\u00e1l\u016f a konstruk\u010dn\u00edch proveden\u00ed:<\/p>\n

\n
\u2726<\/span>V\u0161ech 14 standardn\u00edch po\u010dt\u016f zub\u016f<\/strong> (7T\u201320T) z n\u00edzkouhl\u00edkov\u00e9 oceli; QT400 kalen\u00e9 na objedn\u00e1vku 3\u20134 t\u00fddny<\/div>\n
\u2726<\/span>T\u0159i typy konstrukce<\/strong> \u2014 pln\u00fd, d\u011blen\u00fd na \u0161roub, d\u011blen\u00fd pro sva\u0159ov\u00e1n\u00ed; p\u0159i objedn\u00e1vce uve\u010fte konstrukci<\/div>\n
\u2726<\/span>Nekovov\u00e1 t\u011blesa nap\u00ednac\u00edch kol<\/strong> \u2014 mosaz, nylon, UHMW s mazac\u00edmi dr\u00e1\u017ekami a kov\u00e1n\u00ed k dispozici na objedn\u00e1n\u00ed<\/div>\n
\u2726<\/span>Mo\u017enost p\u0159esn\u00e9ho odvalov\u00e1n\u00ed<\/strong> \u2014 vysokorychlostn\u00ed aplikace vy\u017eaduj\u00edc\u00ed u\u017e\u0161\u00ed toleranci profilu zubu lze na objedn\u00e1vku specifikovat jako p\u0159esn\u00e9 odvalovac\u00ed fr\u00e9zovan\u00e9<\/div>\n
\u2726<\/span>Vlastn\u00ed vrt\u00e1n\u00ed a\u017e maxim\u00e1ln\u00ed vrt\u00e1n\u00ed<\/strong> \u2014 dr\u00e1\u017eka pro pero dle ASME B17.1 nebo v\u00fdkresu z\u00e1kazn\u00edka; rozd\u011blen\u00fd otvor s odpov\u00eddaj\u00edc\u00edm \u0161roubem obr\u00e1b\u011bn\u00fd sou\u010dasn\u011b pro soust\u0159edn\u00fd profil zubu<\/div>\n<\/div>\n

<\/p>\n

\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
\n
\n
Lze zam\u011bniteln\u011b pou\u017e\u00edvat ozuben\u00e1 kola WH78-A s ozuben\u00fdmi koly 81X, proto\u017ee ob\u011b maj\u00ed rozte\u010d 2,609 palce?<\/div>\n
\u0158et\u011bz \u010d. 81X je v\u00e1le\u010dkov\u00fd \u0159et\u011bz t\u0159\u00eddy ANSI Engineer s rozte\u010d\u00ed 2,609 palce, ale s jin\u00fdm pr\u016fm\u011brem v\u00e1le\u010dk\u016f a geometri\u00ed \u010dl\u00e1nk\u016f ne\u017e sva\u0159ovan\u00fd ocelov\u00fd \u0159et\u011bz WR78\/WH78. Profil zubu \u0159et\u011bzov\u00e9ho kola je navr\u017een pro jin\u00fd pr\u016f\u0159ez \u0159et\u011bzu. Tvar zubu \u0159et\u011bzov\u00e9ho kola 81X spr\u00e1vn\u011b neusazuje v\u00e1lec \u0159et\u011bzu WH78 (pr\u016fm\u011br 0,875 palce) a ulo\u017een\u00ed v\u00e1lce \u0159et\u011bzov\u00e9ho kola WH78 neodpov\u00edd\u00e1 geometrii v\u00e1le\u010dk\u016f \u0159et\u011bzu 81X. Stejn\u00e1 rozte\u010d je n\u00e1hodn\u00e1 \u2013 \u0159et\u011bz a \u0159et\u011bzov\u00e9 kolo nejsou zam\u011bniteln\u00e9. P\u0159ed objedn\u00e1n\u00edm \u0159et\u011bzov\u00fdch kol si v\u017edy ov\u011b\u0159te ozna\u010den\u00ed \u0159et\u011bzu.<\/div>\n<\/div>\n
\n
Jak\u00fd je \u201epr\u016fm\u011br pl\u00e1\u0161t\u011b\u201c v tabulce specifikac\u00ed?<\/div>\n
Pr\u016fm\u011br pl\u00e1\u0161t\u011b je vn\u011bj\u0161\u00ed pr\u016fm\u011br hladk\u00e9ho v\u00e1lcov\u00e9ho povrchu mezi \u0161pi\u010dkami zub\u016f \u2013 je to pr\u016fm\u011br, po kter\u00e9m \u010dl\u00e1nky \u0159et\u011bzu p\u0159ej\u00ed\u017ed\u011bj\u00ed, kdy\u017e se bl\u00ed\u017e\u00ed k z\u00f3n\u011b z\u00e1b\u011bru zubu. U sva\u0159ovan\u00fdch ocelov\u00fdch \u0159et\u011bz\u016f se vnit\u0159n\u00ed vodic\u00ed li\u0161ta \u010dl\u00e1nku \u0159et\u011bzu dot\u00fdk\u00e1 tohoto povrchu pl\u00e1\u0161t\u011b, kdy\u017e se \u0159et\u011bz nav\u00edj\u00ed na \u0159et\u011bzov\u00e9 kolo, \u010d\u00edm\u017e se \u0159et\u011bz bo\u010dn\u011b vyst\u0159ed\u00ed na \u010deln\u00ed plo\u0161e \u0159et\u011bzov\u00e9ho kola. Pr\u016fm\u011br pl\u00e1\u0161t\u011b mus\u00ed b\u00fdt men\u0161\u00ed ne\u017e vnit\u0159n\u00ed rozm\u011br \u010dl\u00e1nku \u0159et\u011bzu, aby bylo mo\u017en\u00e9 spr\u00e1vn\u00e9 usazen\u00ed \u0159et\u011bzu. Tento rozm\u011br je d\u016fle\u017eit\u00fd p\u0159i navrhov\u00e1n\u00ed \u017elabu dopravn\u00edku, aby se zajistilo, \u017ee \u0159et\u011bzov\u00e9 kolo bude na vstupu \u0159et\u011bzu voln\u011b p\u0159ech\u00e1zet p\u0159es st\u011bny \u017elabu.<\/div>\n<\/div>\n
\n
Kdy bych m\u011bl pou\u017e\u00edt QT400 m\u00edsto n\u00edzkouhl\u00edkov\u00e9 oceli?<\/div>\n
QT400 je spr\u00e1vn\u00e1 specifikace, pokud je spln\u011bna n\u011bkter\u00e1 z t\u011bchto podm\u00ednek: dopravovan\u00fd materi\u00e1l je abrazivn\u00ed (k\u00e1men, kamenivo, sl\u00ednek, struska, hrub\u00e9 zrno s kontaminac\u00ed p\u00edskem); rychlost \u0159et\u011bzu je vy\u0161\u0161\u00ed ne\u017e 60 fpm; provozn\u00ed hodiny p\u0159esahuj\u00ed 2 000 ro\u010dn\u011b; nebo pohon vy\u017eaduje maxim\u00e1ln\u00ed p\u0159esnost z\u00e1b\u011bru zub\u016f (p\u0159esn\u011b odvalovan\u00e1 QT400 pro vysokorychlostn\u00ed aplikace). Pro sez\u00f3nn\u00ed manipulaci se zem\u011bd\u011blsk\u00fdm obil\u00edm pod 50 fpm je cenov\u011b v\u00fdhodn\u00e1 n\u00edzkouhl\u00edkov\u00e1 ocel. Pokud si nejste jisti, popi\u0161te sv\u00e9 provozn\u00ed podm\u00ednky a Korea Ever-Power v\u00e1m p\u0159ed objedn\u00e1n\u00edm doporu\u010d\u00ed spr\u00e1vn\u00fd materi\u00e1l.<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

Recenze z\u00e1kazn\u00edk\u016f<\/h2>\n

Ov\u011b\u0159en\u00e1 zp\u011btn\u00e1 vazba od korejsk\u00fdch z\u00e1kazn\u00edk\u016f.<\/p>\n

\n
Kim \u010cong-hwan, dopravn\u00edkov\u00fd in\u017een\u00fdr, cement\u00e1rna, Severn\u00ed \u010cchung\u010dchong (za\u010d\u00e1tek roku 2025)<\/strong><\/p>\n

\u201e\u0158et\u011bzov\u00e9 vle\u010dn\u00e9 dopravn\u00edky WH78 v cel\u00e9 na\u0161\u00ed cement\u00e1rn\u011b. P\u0159ed dv\u011bma lety jsme p\u0159e\u0161li na kalen\u00e1 ozuben\u00e1 kola QT400 WH78-A10 a WH78-A12 od spole\u010dnosti Korea Ever-Power, pot\u00e9, co se jednotky z m\u011bkk\u00e9 oceli opot\u0159ebov\u00e1valy b\u011bhem 7\u20138 m\u011bs\u00edc\u016f v na\u0161em prost\u0159ed\u00ed se sl\u00ednkov\u00fdm prachem. Ozuben\u00e1 kola QT400 jsou v sou\u010dasn\u00e9 dob\u011b ve v\u011bku 16 m\u011bs\u00edc\u016f s p\u0159ijateln\u00fdm opot\u0159eben\u00edm zub\u016f. Doporu\u010den\u00ed specifikace materi\u00e1lu od spole\u010dnosti Korea Ever-Power p\u0159ed na\u0161\u00ed objedn\u00e1vkou bylo spr\u00e1vn\u00e9.\u201c<\/p>\n<\/div>\n

Park Hyun-jin, v\u00fdrobce zem\u011bd\u011blsk\u00e9 techniky, Jeonbuk (2024)<\/strong><\/p>\n

\u201eVyr\u00e1b\u00edme zak\u00e1zkov\u00e9 dopravn\u00edky na obil\u00ed pro korejsk\u00e9 krmiv\u00e1\u0159sk\u00e9 z\u00e1vody a skladovac\u00ed dru\u017estva. \u0158et\u011bz WR78 s \u0159et\u011bzov\u00fdmi koly z m\u011bkk\u00e9 oceli WH78-A9 a WH78-A11 ve tvaru A. Korea Ever-Power dod\u00e1v\u00e1 pro na\u0161i v\u00fdrobu d\u011blenou sva\u0159ovanou konstrukci \u2013 poloviny \u0159et\u011bzov\u00fdch kol sva\u0159ujeme k na\u0161im vyroben\u00fdm h\u0159\u00eddelov\u00fdm \u010dep\u016fm b\u011bhem mont\u00e1\u017ee. Konzistentn\u00ed rozm\u011brov\u00e1 p\u0159esnost nap\u0159\u00ed\u010d v\u00edce objedn\u00e1vkami po dobu 14 m\u011bs\u00edc\u016f.\u201c<\/p>\n<\/div>\n

Oh Tae-jun, technik \u00fadr\u017eby, z\u00e1vod na zpracov\u00e1n\u00ed kameniva, Gangwon (3. \u010dtvrtlet\u00ed 2024)<\/strong><\/p>\n

\u201eNa na\u0161e pozice hlavov\u00fdch h\u0159\u00eddel\u00ed jsme nainstalovali ozuben\u00e1 kola WH78-A12 s d\u011blen\u00fdm uchycen\u00edm na \u0161roub. U p\u0159edchoz\u00ed pevn\u00e9 konstrukce bylo kv\u016fli demont\u00e1\u017ei h\u0159\u00eddele nutn\u00e9 v\u00fdm\u011bnu ka\u017ed\u00e9ho ozuben\u00e9ho kola prov\u00e9st za v\u00edce ne\u017e 3 hodiny. Instalace s d\u011blen\u00fdm uchycen\u00edm na \u0161roub tento \u010das zkr\u00e1tila na 35 minut na pozici. Spole\u010dnost Korea Ever-Power potvrdila obr\u00e1b\u011bn\u00ed d\u011blen\u00fdch polovin v p\u00e1ru \u2013 soust\u0159ednost otvor\u016f je u v\u0161ech instalovan\u00fdch jednotek spr\u00e1vn\u00e1.\u201c<\/p>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

\n

Korea Ever-Power Ocelov\u00e1 \u0159et\u011bzov\u00e1 kola s A-deskou sva\u0159ovan\u00e1 WR78\/WH78<\/strong> Pokr\u00fdv\u00e1 7 a\u017e 20 zub\u016f s rozte\u010d\u00ed 2,609 palce \u2013 kompatibiln\u00ed s \u0159et\u011bzy WR78 s odsazenou bo\u010dnic\u00ed i s sva\u0159ovan\u00fdmi \u0159et\u011bzy WH78 pro ocelov\u00e9 v\u00e1lcovny. K dispozici v n\u00edzkouhl\u00edkovou ocel nebo kalen\u00e9 oceli QT400<\/strong>a v pln\u00e9, d\u011blen\u00e9 k \u0161roub\u016fm nebo d\u011blen\u00e9 pro sva\u0159ov\u00e1n\u00ed. Pro aplikace vy\u017eaduj\u00edc\u00ed polohy nap\u00ednac\u00edch kol bez nutnosti maz\u00e1n\u00ed nebo odoln\u00e9 proti korozi jsou k dispozici nekovov\u00e1 t\u011blesa nap\u00ednac\u00edch kol z mosazi, nylonu nebo UHMW s mazac\u00edmi dr\u00e1\u017ekami a maznicemi.<\/p>\n<\/div>","protected":false},"featured_media":3272,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[6658],"product_tag":[],"class_list":{"0":"post-3270","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-sprocket","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/product\/3270","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/comments?post=3270"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/media\/3272"}],"wp:attachment":[{"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/media?parent=3270"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/product_brand?post=3270"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/product_cat?post=3270"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/product_tag?post=3270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}