{"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\/sk\/produkt\/wr78-wh78-welded-steel-chain-sprockets\/","title":{"rendered":"Zv\u00e1ran\u00e9 oce\u013eov\u00e9 re\u0165azov\u00e9 koles\u00e1 WR78 \/ WH78 | A-Plate 7\u201320 zubov \u2014 m\u00e4kk\u00e1 oce\u013e a kalen\u00e9 QT400"},"content":{"rendered":"
\n

Zv\u00e1ran\u00e9 oce\u013eov\u00e9 re\u0165aze WR78 a WH78 \u2013 kon\u0161trukcia, rozdiely a kompatibilita ozuben\u00fdch kolies<\/h2>\n

Zv\u00e1ran\u00e1 oce\u013eov\u00e1 re\u0165az je kateg\u00f3riou vysokov\u00fdkonn\u00fdch technick\u00fdch re\u0165az\u00ed, kde s\u00fa \u010dl\u00e1nky re\u0165aze tvoren\u00e9 lisovan\u00edm a zv\u00e1ran\u00edm hrub\u00fdch oce\u013eov\u00fdch plechov \u2013 z\u00e1sadne sa l\u00ed\u0161i od \u010dapov\u00fdch re\u0165az\u00ed (liatinov\u00e9 \u010dl\u00e1nky) aj val\u010dekov\u00fdch re\u0165az\u00ed (zostaven\u00e1 kon\u0161trukcia \u010dap-puzdro-val\u010dek). Zv\u00e1ran\u00e1 kon\u0161trukcia vytv\u00e1ra re\u0165az bez samostatn\u00fdch vn\u00fatorn\u00fdch\/vonkaj\u0161\u00edch doskov\u00fdch komponentov: ka\u017ed\u00fd \u010dl\u00e1nok je jeden s\u00favisl\u00fd zv\u00e1ran\u00fd oce\u013eov\u00fd prvok, \u010do d\u00e1va t\u00fdmto re\u0165aziam v\u00fdnimo\u010dn\u00fa odolnos\u0165 vo\u010di bo\u010dn\u00e9mu ohybu a r\u00e1zov\u00e9mu za\u0165a\u017eeniu, s ktor\u00fdm sa stret\u00e1vame v kor\u010dekov\u00fdch dopravn\u00edkoch, vle\u010dn\u00fdch dopravn\u00edkoch a \u0165a\u017ek\u00fdch po\u013enohospod\u00e1rskych aplik\u00e1ci\u00e1ch.<\/p>\n

\u00a0\"Zv\u00e1ran\u00e9<\/p>\n

Ozna\u010denia WR78 a WH78 zah\u0155\u0148aj\u00fa dve \u00fazko s\u00favisiace re\u0165aze s rovnak\u00fdm rozstupom 2,609 palca:<\/p>\n

\n
\n
WR78 \u2014 Zv\u00e1ran\u00e1 oce\u013eov\u00e1 re\u0165az s odsaden\u00fdm bo\u010dn\u00fdm r\u00e1mom<\/div>\n
WR78 je kon\u0161truovan\u00e1 s odsaden\u00fdmi bo\u010dn\u00fdmi ty\u010dami \u2013 bo\u010dn\u00e1 ty\u010d ka\u017ed\u00e9ho \u010dl\u00e1nku je ohnut\u00e1 pod uhlom, ktor\u00fd sp\u00f4sobuje, \u017ee susedn\u00e9 \u010dl\u00e1nky sa zablokuj\u00fa v miestach ich kr\u00ed\u017eenia. Odsaden\u00e1 geometria poskytuje pevnej\u0161iu a kompaktnej\u0161iu kon\u0161trukciu re\u0165aze, ktor\u00e1 je odoln\u00e1 vo\u010di kr\u00fateniu pri za\u0165a\u017een\u00ed mimo osi. \u201eR\u201c ozna\u010duje \u0161tandardn\u00fa (be\u017en\u00fa) kon\u0161trukciu. WR78 je najbe\u017enej\u0161ia \u0161pecifik\u00e1cia pre po\u013enohospod\u00e1rske \u0165aha\u010de, obiln\u00e9 sily a \u013eahk\u00e9 priemyseln\u00e9 \u0165aha\u010de.<\/div>\n<\/div>\n
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WH78 \u2014 Zv\u00e1ran\u00e1 oce\u013eov\u00e1 re\u0165az pre mlynsk\u00e9 a \u0165a\u017ek\u00e9 oce\u013eov\u00e9 kon\u0161trukcie<\/div>\n
WH78 pou\u017e\u00edva hrub\u0161\u00ed prierez bo\u010dnej ty\u010de ako WR78 \u2013 \u201eH\u201c ozna\u010duje \u0165a\u017e\u0161iu kon\u0161trukciu. Rovnak\u00fd rozstup 2,609 palca, rovnak\u00fd priemer valca (0,875 palca), rovnak\u00e1 plocha zuba (1,000 palca), v\u010faka \u010domu je WH78 priamo kompatibiln\u00fd s rovnak\u00fdmi ozuben\u00fdmi kolesami ako WR78. WH78 je ur\u010den\u00fd pre aplik\u00e1cie vy\u017eaduj\u00face vy\u0161\u0161ie medzn\u00e9 za\u0165a\u017eenie \u2013 dopravn\u00edky surov\u00edn v cement\u00e1r\u0148ach, manipul\u00e1cia s oce\u013eovou troskou a priemyseln\u00e9 aplik\u00e1cie, kde r\u00e1zov\u00e9 za\u0165a\u017eenie presahuje menovit\u00fa hodnotu WR78. Obe re\u0165aze pou\u017e\u00edvaj\u00fa identick\u00e9 ozuben\u00e9 koles\u00e1: ak\u00e9ko\u013evek ozuben\u00e9 koleso uveden\u00e9 ako WH78-A funguje aj s WR78.<\/div>\n<\/div>\n<\/div>\n

Ozuben\u00e9 koleso s doskou A nem\u00e1 \u017eiadny v\u00fdstupok n\u00e1boja \u2013 ozuben\u00e9 koleso je ploch\u00fd disk s profilom zuba vyrezan\u00fdm na vonkaj\u0161om okraji a priechodn\u00fdm otvorom v strede. Ide o \u0161tandardn\u00fa konfigur\u00e1ciu pre zv\u00e1ran\u00e9 oce\u013eov\u00e9 re\u0165azov\u00e9 pohony, kde je ozuben\u00e9 koleso pripevnen\u00e9 k hriade\u013eu klinom a uchyten\u00e9 pomocou obj\u00edmok alebo ramien hriade\u013ea.<\/p>\n

Pre podrobn\u00e9 inform\u00e1cie \u0160pecifik\u00e1cie zv\u00e1ranej oce\u013eovej re\u0165aze WR78<\/a> vr\u00e1tane medzn\u00fdch za\u0165a\u017een\u00ed, konfigur\u00e1ci\u00ed upevnenia a kompatibility s kon\u0161truk\u010dn\u00fdmi variantmi XHD s\u00fa technick\u00e9 referen\u010dn\u00e9 \u00fadaje k dispoz\u00edcii na po\u017eiadanie od spolo\u010dnosti Korea Ever-Power pred objednan\u00edm.<\/p>\n

<\/p>\n

Tri mo\u017enosti kon\u0161trukcie \u2013 pevn\u00e1, delen\u00e1 na skrutky, delen\u00e1 na zv\u00e1ranie<\/h2>\n

Ozuben\u00e9 koles\u00e1 WR78\/WH78 s tvarom A sa daj\u00fa vyrobi\u0165 v troch kon\u0161truk\u010dn\u00fdch konfigur\u00e1ci\u00e1ch, z ktor\u00fdch ka\u017ed\u00e1 je vhodn\u00e1 pre in\u00fd scen\u00e1r in\u0161tal\u00e1cie a \u00fadr\u017eby:<\/p>\n

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\n
Pevn\u00e1 kon\u0161trukcia \u2013 \u0161tandardn\u00e1, maxim\u00e1lna pevnos\u0165<\/div>\n
\u0160tandardn\u00e1 doska A je vyroben\u00e1 z jedn\u00e9ho pln\u00e9ho predvalka. Maxim\u00e1lna \u0161truktur\u00e1lna integrita a pevnos\u0165 v oblasti kore\u0148a zuba. Vy\u017eaduje sa pre aplik\u00e1cie s vysok\u00fdmi r\u00e1zmi a pohony, kde ozuben\u00e9 koleso mus\u00ed pren\u00e1\u0161a\u0165 vysok\u00fd kr\u00fatiaci moment cez dr\u00e1\u017eku pre k\u013e\u00fa\u010d. V\u00fdmena vy\u017eaduje demont\u00e1\u017e hriade\u013ea, ak koniec hriade\u013ea nie je pr\u00edstupn\u00fd \u2013 ozuben\u00e9 koleso sa mus\u00ed z konca hriade\u013ea stiahnu\u0165.<\/div>\n<\/div>\n
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Delen\u00e9 na skrutku \u2013 dve polovice, vymenite\u013en\u00e9 na mieste bez demont\u00e1\u017ee hriade\u013ea<\/div>\n
Ozuben\u00e9 koleso je opracovan\u00e9 v dvoch poloviciach, ktor\u00e9 sa skrutkami sp\u00e1jaj\u00fa okolo hriade\u013ea. Umo\u017e\u0148uje \u00fapln\u00fa v\u00fdmenu ozuben\u00e9ho kolesa bez demont\u00e1\u017ee hriade\u013ea z lo\u017e\u00edsk \u2013 identick\u00e1 v\u00fdhoda \u00fadr\u017eby ako pri delen\u00fdch ozuben\u00fdch koles\u00e1ch op\u00edsan\u00fdch na str\u00e1nke s\u00e9rie 81X. Delen\u00e1 kon\u0161trukcia so skrutkami je presne zladen\u00e1: obe polovice s\u00fa opracovan\u00e9 spolu ako sp\u00e1rovan\u00e1 sada a musia sa vymeni\u0165 ako p\u00e1r. O nie\u010do vy\u0161\u0161ie n\u00e1klady ako pri plnom diele; od\u00f4vodnen\u00e9 \u00fasporou \u010dasu \u00fadr\u017eby na ru\u0161n\u00fdch dopravn\u00edkov\u00fdch link\u00e1ch.<\/div>\n<\/div>\n
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Rozdelen\u00e9 na zv\u00e1ranie \u2013 dve polovice, privaren\u00e9 na \u010dap hriade\u013ea<\/div>\n
Ozuben\u00e9 koleso sa dod\u00e1va ako dve polovice ur\u010den\u00e9 na zv\u00e1ranie na mieste na vyroben\u00fd \u010dap hriade\u013ea alebo komponent pohonu dopravn\u00edka. T\u00e1to kon\u0161trukcia sa pou\u017e\u00edva v dopravn\u00edkov\u00fdch zariadeniach vyroben\u00fdch na mieru, kde hriade\u013e nie je \u0161tandardne obr\u00e1ban\u00fdm komponentom \u2013 polovice ozuben\u00fdch kolies sa umiestnia a zvaria na vyroben\u00fd hriade\u013e po\u010das mont\u00e1\u017ee zariadenia. Nie je vhodn\u00e9 na dodato\u010dn\u00fa v\u00fdmenu; iba na nov\u00fa v\u00fdrobu alebo rozsiahlu rekon\u0161trukciu.<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

\u0160pecifik\u00e1cie ozuben\u00e9ho kolesa WH78 A-Plate \u2014 7 a\u017e 20 zubov<\/h2>\n

V\u0161etky rozmery s\u00fa v palcoch. Rozstup je 2,609 palca pre v\u0161etky ve\u013ekosti (rovnako ako u s\u00e9rie 81X). Priemer valca a plocha zuba s\u00fa v celom rozsahu konzistentn\u00e9 (0,875\u2033 a 1,000\u2033). Maxim\u00e1lny otvor sa zvy\u0161uje s po\u010dtom zubov od 2,1875\u2033 (7T) do 5,9375\u2033 (20T).<\/p>\n

\"Rozmer<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Ozuben\u00e9 koleso #<\/th>\nZuby<\/th>\nRozstup (v palcoch)<\/th>\nPriemer t\u00f3nu.<\/th>\n\u0160t\u00fdl<\/th>\nPl\u00e1tno Dia.<\/th>\nPriemer hlavne.<\/th>\nZubn\u00e1 tv\u00e1r<\/th>\nMax Bore<\/th>\nHmotnos\u0165<\/th>\n<\/tr>\n<\/thead>\n
WH78-A7<\/td>\n7<\/td>\n2,609\u2033<\/td>\n6,01\u2033<\/td>\nA-tanier<\/td>\n4,150\u2033<\/td>\n0,875\u2033<\/td>\n1 000 \u2033<\/td>\n2,1875\u2033<\/td>\n7,5 libry<\/td>\n<\/tr>\n
WH78-A8<\/td>\n8<\/td>\n2,609\u2033<\/td>\n6,82\u2033<\/td>\nA-tanier<\/td>\n5,040\u2033<\/td>\n0,875\u2033<\/td>\n1 000 \u2033<\/td>\n2,4375\u2033<\/td>\n9,0 libier<\/td>\n<\/tr>\n
WH78-A9<\/td>\n9<\/td>\n2,609\u2033<\/td>\n7,63\u2033<\/td>\nA-tanier<\/td>\n5,920\u2033<\/td>\n0,875\u2033<\/td>\n1 000 \u2033<\/td>\n2,6875\u2033<\/td>\n11,0 libier<\/td>\n<\/tr>\n
WH78-A10<\/td>\n10<\/td>\n2,609\u2033<\/td>\n8,44\u2033<\/td>\nA-tanier<\/td>\n6,776\u2033<\/td>\n0,875\u2033<\/td>\n1 000 \u2033<\/td>\n2,9375\u2033<\/td>\n14,0 libier<\/td>\n<\/tr>\n
WH78-A11<\/td>\n11<\/td>\n2,609\u2033<\/td>\n9,26\u2033<\/td>\nA-tanier<\/td>\n7,640\u2033<\/td>\n0,875\u2033<\/td>\n1 000 \u2033<\/td>\n3,4375\u2033<\/td>\n17,0 libier<\/td>\n<\/tr>\n
WH78-A12<\/td>\n12<\/td>\n2,609\u2033<\/td>\n10,08\u2033<\/td>\nA-tanier<\/td>\n8 500\u2033<\/td>\n0,875\u2033<\/td>\n1 000 \u2033<\/td>\n3,4375\u2033<\/td>\n20,0 libier<\/td>\n<\/tr>\n
WH78-A13<\/td>\n13<\/td>\n2,609\u2033<\/td>\n10,90\u2033<\/td>\nA-tanier<\/td>\n9,350\u2033<\/td>\n0,875\u2033<\/td>\n1 000 \u2033<\/td>\n3,9375\u2033<\/td>\n23,0 libier<\/td>\n<\/tr>\n
WH78-A14<\/td>\n14<\/td>\n2,609\u2033<\/td>\n11,72\u2033<\/td>\nA-tanier<\/td>\n10,180\u2033<\/td>\n0,875\u2033<\/td>\n1 000 \u2033<\/td>\n4,9375\u2033<\/td>\n27,0 libier<\/td>\n<\/tr>\n
WH78-A15<\/td>\n15<\/td>\n2,609\u2033<\/td>\n12,55\u2033<\/td>\nA-tanier<\/td>\n11,030\u2033<\/td>\n0,875\u2033<\/td>\n1 000 \u2033<\/td>\n4,9375\u2033<\/td>\n31,0 libier<\/td>\n<\/tr>\n
WH78-A16<\/td>\n16<\/td>\n2,609\u2033<\/td>\n13,37\u2033<\/td>\nA-tanier<\/td>\n11,860\u2033<\/td>\n0,875\u2033<\/td>\n1 000 \u2033<\/td>\n4,9375\u2033<\/td>\n35,0 libier<\/td>\n<\/tr>\n
WH78-A17<\/td>\n17<\/td>\n2,609\u2033<\/td>\n14,20\u2033<\/td>\nA-tanier<\/td>\n12,710\u2033<\/td>\n0,875\u2033<\/td>\n1 000 \u2033<\/td>\n4,9375\u2033<\/td>\n38,0 libier<\/td>\n<\/tr>\n
WH78-A18<\/td>\n18<\/td>\n2,609\u2033<\/td>\n15,02\u2033<\/td>\nA-tanier<\/td>\n13,550\u2033<\/td>\n0,875\u2033<\/td>\n1 000 \u2033<\/td>\n4,9375\u2033<\/td>\n41,0 libier<\/td>\n<\/tr>\n
WH78-A19<\/td>\n19<\/td>\n2,609\u2033<\/td>\n15,85\u2033<\/td>\nA-tanier<\/td>\n14,380\u2033<\/td>\n0,875\u2033<\/td>\n1 000 \u2033<\/td>\n4,9375\u2033<\/td>\n44,0 libier<\/td>\n<\/tr>\n
WH78-A20<\/td>\n20<\/td>\n2,609\u2033<\/td>\n14,20\u2033<\/td>\nA-tanier<\/td>\n12,710\u2033<\/td>\n0,875\u2033<\/td>\n1 000 \u2033<\/td>\n5,9375\u2033<\/td>\n47,0 libier<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

V\u00fdber materi\u00e1lu \u2013 m\u00e4kk\u00e1 oce\u013e vs. kalen\u00e1 a pop\u00fa\u0161\u0165an\u00e1 oce\u013e QT400<\/h2>\n

\"WR78<\/p>\n

Ozuben\u00e9 koles\u00e1 WR78\/WH78 s tvarom A s\u00fa dostupn\u00e9 v dvoch materi\u00e1lov\u00fdch triedach s v\u00fdrazne odli\u0161n\u00fdmi v\u00fdkonnostn\u00fdmi charakteristikami:<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
Nehnute\u013enos\u0165<\/th>\nM\u00e4kk\u00e1 oce\u013e<\/th>\nQT400 (kalen\u00e9 a temperovan\u00e9)<\/th>\n<\/tr>\n<\/thead>\n
Medza klzu<\/td>\n250 MPa (36 000 psi)<\/td>\nMinim\u00e1lne 400 MPa (58 000 psi)<\/strong><\/td>\n<\/tr>\n
Tvrdos\u0165 \u010dela zuba<\/td>\n120\u2013160 HB (po obr\u00e1ban\u00ed)<\/td>\n300\u2013360 HB (prekalen\u00e9)<\/strong><\/td>\n<\/tr>\n
Odolnos\u0165 proti oderu<\/td>\nMierne<\/td>\nVynikaj\u00face<\/strong><\/td>\n<\/tr>\n
Obrobite\u013enos\u0165 (obr\u00e1banie otvorov)<\/td>\nJednoduch\u00e9 \u2013 \u0161tandardn\u00e9 n\u00e1stroje<\/strong><\/td>\nMierne \u2013 vy\u017eaduje sa tvrd\u0161ie n\u00e1stroje<\/td>\n<\/tr>\n
Najlep\u0161ia aplik\u00e1cia<\/td>\n\u013dahk\u00e9 a\u017e stredn\u00e9 po\u013enohospod\u00e1rske, n\u00edzke oderov\u00e9<\/td>\nPriemyseln\u00e9 abraz\u00edvne, vysokor\u00fdchlostn\u00e9, vysokoz\u00e1\u0165a\u017eov\u00e9<\/strong><\/td>\n<\/tr>\n
Dodacia lehota<\/td>\nZo skladu<\/strong><\/td>\nV\u00fdroba 3\u20134 t\u00fd\u017edne<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

QT400 je ur\u010den\u00fd pre cement\u00e1rne, manipul\u00e1ciu s oce\u013eovou troskou a priemyseln\u00e9 dopravn\u00edky, kde je potrebn\u00e1 vy\u0161\u0161ia tvrdos\u0165, aby odol\u00e1val oderu od dopravovan\u00e9ho materi\u00e1lu, ktor\u00fd prich\u00e1dza do kontaktu s \u010delnou plochou zuba ozuben\u00e9ho kolesa. Pre \u0161tandardn\u00e9 po\u013enohospod\u00e1rske dopravn\u00edky na obilie a manipul\u00e1ciu s \u013eahk\u00fdm priemyseln\u00fdm materi\u00e1lom poskytuje m\u00e4kk\u00e1 oce\u013e primeran\u00fa \u017eivotnos\u0165 pri ni\u017e\u0161\u00edch n\u00e1kladoch.<\/p>\n

<\/p>\n

Nekovov\u00e9 teles\u00e1 nap\u00ednac\u00edch kolies \u2013 mosadz, nylon a UHMW s mazac\u00edmi spojkami<\/h2>\n

Nap\u00ednacie koles\u00e1 WR78\/WH78 (nepoh\u00e1\u0148acie ozuben\u00e9 koles\u00e1) m\u00f4\u017eu by\u0165 dodan\u00e9 s nekovov\u00fdmi telesami z mosadze, nylonu alebo UHMW-PE namiesto ocele. Tieto konfigur\u00e1cie zah\u0155\u0148aj\u00fa mazacie dr\u00e1\u017eky vyfr\u00e9zovan\u00e9 do kontaktnej plochy valca a \u0161tandardn\u00e9 maznice na pravideln\u00e9 mazanie. Nekovov\u00e9 teleso zni\u017euje koeficient trenia v kontakte re\u0165aze s ozuben\u00fdm kolesom, \u010do je obzvl\u00e1\u0161\u0165 cenn\u00e9 v poloh\u00e1ch nap\u00ednac\u00edch kolies, kde sa re\u0165az dot\u00fdka ozuben\u00e9ho kolesa bez prenosu kr\u00fatiaceho momentu \u2013 minimalizuje sa tak odpor, ktor\u00fd by inak kontakt ocele s oce\u013eou vyv\u00edjal na napnutie re\u0165aze.<\/p>\n

Mosadzn\u00e9 teles\u00e1 nap\u00ednac\u00edch kolies s\u00fa ur\u010den\u00e9 pre mokr\u00e9 alebo koroz\u00edvne prostredie, kde by oce\u013e korodovala. Nylonov\u00e9 teles\u00e1 sa pou\u017e\u00edvaj\u00fa tam, kde je d\u00f4le\u017eit\u00e9 zn\u00ed\u017eenie hmotnosti. Teles\u00e1 z UHMW (s najni\u017e\u0161\u00edm koeficientom trenia) s\u00fa preferovanou \u0161pecifik\u00e1ciou pre poz\u00edcie nap\u00ednac\u00edch kolies v aplik\u00e1ci\u00e1ch s cementom a kamenivom, kde sa abraz\u00edvny prach dot\u00fdka ozuben\u00e9ho kolesa \u2013 UHMW odol\u00e1va abraz\u00edvnemu opotrebovaniu lep\u0161ie ako nylon pri t\u00fdchto kontaktn\u00fdch podmienkach. V\u0161etky tri materi\u00e1ly s\u00fa dostupn\u00e9 so \u0161tandardn\u00fdm profilom zubov WR78\/WH78 a ak\u00fdmko\u013evek priemerom otvoru v r\u00e1mci maxim\u00e1lneho limitu otvoru ozuben\u00e9ho kolesa.<\/p>\n

<\/p>\n

Kde sa pou\u017e\u00edvaj\u00fa zv\u00e1ran\u00e9 oce\u013eov\u00e9 re\u0165azov\u00e9 koles\u00e1 WR78\/WH78<\/h2>\n
\n
\n
\ud83c\udf3e Po\u013enohospod\u00e1rske \u0165ahan\u00e9 dopravn\u00edky<\/div>\n

\"Manipul\u00e1cia<\/p>\n

K\u00f3rejsk\u00e9 sklady obilia a k\u0155mne mlyny pou\u017e\u00edvaj\u00fa re\u0165aze WR78 na \u0165ahac\u00edch dopravn\u00edkoch a re\u0165azov\u00fdch dopravn\u00edkoch na obilie, kde re\u0165az \u0165ah\u00e1 lopatky cez \u017e\u013eab v tvare U. Pre \u0161tandardn\u00e9 aplik\u00e1cie \u0165ahania obilia s\u00fa be\u017en\u00e9 re\u0165aze WH78-A9 a WH78-A10; pre pomal\u0161ie vratn\u00e9 \u00faseky je v\u00e4\u010d\u0161\u00ed po\u010det zubov. Pre v\u00e4\u010d\u0161inu sez\u00f3nnych manipula\u010dn\u00fdch \u00fakonov s obil\u00edm s\u00fa posta\u010duj\u00face ozuben\u00e9 koles\u00e1 z m\u00e4kkej ocele.<\/p>\n<\/div>\n

\n
\ud83c\udfed Manipul\u00e1cia s cementom a kamenivom<\/div>\n

\"Manipul\u00e1cia<\/p>\n

K\u00f3rejsk\u00e9 cement\u00e1rne pou\u017e\u00edvaj\u00fa re\u0165aze WH78 na \u0165ahac\u00edch dopravn\u00edkoch na slinok a suroviny, kde abraz\u00edvny materi\u00e1l, ktor\u00fd je v kontakte s re\u0165azou, vy\u017eaduje kalen\u00e9 ozuben\u00e9 koles\u00e1 QT400. Na hlavov\u00fdch hriade\u013eoch sa \u010doraz \u010dastej\u0161ie pou\u017e\u00edva kon\u0161trukcia s delen\u00fdm uchyten\u00edm na skrutky, ktor\u00e1 umo\u017e\u0148uje v\u00fdmenu ozuben\u00e9ho kolesa po\u010das pl\u00e1novan\u00fdch \u00fadr\u017eb\u00e1rskych okien bez demont\u00e1\u017ee celej zostavy hlavy dopravn\u00edka.<\/p>\n<\/div>\n

\n
\u2699 Dopravn\u00edkov\u00e9 zariadenia vyroben\u00e9 na mieru<\/div>\n

\"Zv\u00e1ran\u00fd<\/p>\n

K\u00f3rejsk\u00ed v\u00fdrobcovia dopravn\u00edkov\u00fdch zariaden\u00ed, ktor\u00ed vyr\u00e1baj\u00fa vle\u010dn\u00e9 a kor\u010dekov\u00e9 dopravn\u00edky na mieru pre priemyseln\u00fdch klientov, pou\u017e\u00edvaj\u00fa delen\u00e9 zv\u00e1ran\u00e9 ozuben\u00e9 koles\u00e1 WH78 s A-doskou, kde hriade\u013e je vyroben\u00fdm komponentom, a nie obroben\u00fdm hriade\u013eom. Zv\u00e1ran\u00e1 kon\u0161trukcia je neoddelite\u013enou s\u00fa\u010das\u0165ou kon\u0161trukcie dopravn\u00edka, \u010do umo\u017e\u0148uje presn\u00e9 dimenzovanie a umiestnenie ozuben\u00e9ho kolesa po\u010das v\u00fdroby. Kompatibilita re\u0165az\u00ed WR78 aj WH78 zais\u0165uje, \u017ee je podporovan\u00e1 existuj\u00faca re\u0165az klienta.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

Pre\u010do Korea Ever-Power Chain and Sprocket<\/h2>\n

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

Korea Ever-Power Chain and Sprocket Co., Ltd.<\/a> dod\u00e1va ozuben\u00e9 koles\u00e1 WR78\/WH78 s A-doskou s kompletn\u00fdmi materi\u00e1lov\u00fdmi a kon\u0161truk\u010dn\u00fdmi mo\u017enos\u0165ami:<\/p>\n

\n
\u2726<\/span>V\u0161etk\u00fdch 14 \u0161tandardn\u00fdch po\u010dtov zubov<\/strong> (7T\u201320T) z m\u00e4kkej ocele; QT400 kalen\u00e9 na objedn\u00e1vku 3\u20134 t\u00fd\u017edne<\/div>\n
\u2726<\/span>Tri typy kon\u0161trukci\u00ed<\/strong> \u2014 pln\u00e9, delen\u00e9 na skrutky, delen\u00e9 na zv\u00e1ranie; pri objedn\u00e1vke uve\u010fte kon\u0161trukciu<\/div>\n
\u2726<\/span>Nekovov\u00e9 teles\u00e1 nap\u00ednac\u00edch kolies<\/strong> \u2014 mosadz, nylon, UHMW s mazac\u00edmi dr\u00e1\u017ekami a tvarovkami dostupn\u00fdmi na objedn\u00e1vku<\/div>\n
\u2726<\/span>Mo\u017enos\u0165 presn\u00e9ho odva\u013eovania<\/strong> \u2014 vysokor\u00fdchlostn\u00e9 aplik\u00e1cie vy\u017eaduj\u00face u\u017e\u0161iu toleranciu profilu zubov je mo\u017en\u00e9 na objedn\u00e1vku \u0161pecifikova\u0165 ako presn\u00e9 odvalovacie fr\u00e9zovanie<\/div>\n
\u2726<\/span>Vlastn\u00fd otvor a\u017e po maxim\u00e1lny otvor<\/strong> \u2014 dr\u00e1\u017eka pre pero pod\u013ea ASME B17.1 alebo v\u00fdkresu z\u00e1kazn\u00edka; rozdelen\u00fd p\u00e1rov\u00fd otvor so skrutkou obr\u00e1ban\u00fd s\u00fa\u010dasne pre s\u00fastredn\u00fd profil zuba<\/div>\n<\/div>\n

<\/p>\n

\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
\n
\n
M\u00f4\u017eu sa ozuben\u00e9 koles\u00e1 WH78-A pou\u017e\u00edva\u0165 zamenite\u013ene s ozuben\u00fdmi kolesami 81X, ke\u010f\u017ee obe maj\u00fa rozstup 2,609 palca?<\/div>\n
Re\u0165az \u010d. 81X je val\u010dekov\u00e1 re\u0165az in\u017einierskej triedy ANSI s rozstupom 2,609 palca, ale s in\u00fdm priemerom val\u010deka a geometriou \u010dl\u00e1nkov ako zv\u00e1ran\u00e1 oce\u013eov\u00e1 re\u0165az WR78\/WH78. Profil zuba ozuben\u00e9ho kolesa je navrhnut\u00fd pre in\u00fd prierez re\u0165aze. Tvar zuba ozuben\u00e9ho kolesa 81X spr\u00e1vne nesed\u00ed na valci re\u0165aze WH78 (s priemerom 0,875 palca) a ulo\u017eenie valca ozuben\u00e9ho kolesa WH78 nezodpoved\u00e1 geometrii val\u010deka re\u0165aze 81X. Rovnak\u00fd rozstup je n\u00e1hodn\u00fd \u2013 re\u0165az a syst\u00e9m ozuben\u00fdch kolies nie s\u00fa zamenite\u013en\u00e9. Pred objednan\u00edm ozuben\u00fdch kolies si v\u017edy overte ozna\u010denie re\u0165aze.<\/div>\n<\/div>\n
\n
Ak\u00fd je \u201epriemer krytu\u201c v tabu\u013eke \u0161pecifik\u00e1ci\u00ed?<\/div>\n
Priemer pl\u00e1\u0161\u0165a je vonkaj\u0161\u00ed priemer hladk\u00e9ho valcov\u00e9ho povrchu medzi hrotmi zubov \u2013 je to priemer, po ktorom prech\u00e1dzaj\u00fa \u010dl\u00e1nky re\u0165aze, ke\u010f sa pribli\u017euj\u00fa k z\u00f3ne z\u00e1beru zubov. Pri zv\u00e1ranej oce\u013eovej re\u0165azi sa vn\u00fatorn\u00e1 vodiaca li\u0161ta \u010dl\u00e1nku re\u0165aze dot\u00fdka tohto povrchu pl\u00e1\u0161\u0165a, ke\u010f sa re\u0165az nav\u00edja na ozuben\u00e9 koleso, \u010d\u00edm sa re\u0165az bo\u010dne vycentruje na \u010dele ozuben\u00e9ho kolesa. Priemer pl\u00e1\u0161\u0165a mus\u00ed by\u0165 men\u0161\u00ed ako vn\u00fatorn\u00fd rozmer \u010dl\u00e1nku re\u0165aze, aby sa umo\u017enilo spr\u00e1vne ulo\u017eenie re\u0165aze. Tento rozmer je d\u00f4le\u017eit\u00fd pri navrhovan\u00ed \u017e\u013eabu dopravn\u00edka, aby sa zabezpe\u010dilo, \u017ee ozuben\u00e9 koleso prech\u00e1dza cez steny \u017e\u013eabu pri vstupe re\u0165aze.<\/div>\n<\/div>\n
\n
Kedy by som mal pou\u017ei\u0165 QT400 namiesto m\u00e4kkej ocele?<\/div>\n
QT400 je spr\u00e1vna \u0161pecifik\u00e1cia, ak je pr\u00edtomn\u00e1 ktor\u00e1ko\u013evek z t\u00fdchto podmienok: dopravovan\u00fd materi\u00e1l je abraz\u00edvny (kame\u0148, kamenivo, slinok, troska, hrub\u00e9 zrno s kontamin\u00e1ciou \u0161trkmi); r\u00fdchlos\u0165 re\u0165aze je vy\u0161\u0161ia ako 60 fpm; prev\u00e1dzkov\u00e9 hodiny presahuj\u00fa 2 000 ro\u010dne; alebo pohon vy\u017eaduje maxim\u00e1lnu presnos\u0165 z\u00e1beru zubov (presne odvalovan\u00e1 QT400 pre vysokor\u00fdchlostn\u00e9 aplik\u00e1cie). Pre sez\u00f3nnu manipul\u00e1ciu s po\u013enohospod\u00e1rskym obil\u00edm pod 50 fpm je cenovo v\u00fdhodn\u00e1 m\u00e4kk\u00e1 oce\u013e. Ak si nie ste ist\u00ed, op\u00ed\u0161te svoje prev\u00e1dzkov\u00e9 podmienky a Korea Ever-Power v\u00e1m pred objednan\u00edm odporu\u010d\u00ed spr\u00e1vny materi\u00e1l.<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

Recenzie z\u00e1kazn\u00edkov<\/h2>\n

Overen\u00e1 sp\u00e4tn\u00e1 v\u00e4zba od k\u00f3rejsk\u00fdch z\u00e1kazn\u00edkov.<\/p>\n

\n
Kim Jong-hwan, in\u017einier dopravn\u00edkov, cement\u00e1re\u0148, Severn\u00fd Chungcheong (za\u010diatok roka 2025)<\/strong><\/p>\n

\u201eRe\u0165azov\u00e9 \u0165ahacie dopravn\u00edky WH78 v celej na\u0161ej cement\u00e1rni. Pred dvoma rokmi sme pre\u0161li na kalen\u00e9 ozuben\u00e9 koles\u00e1 QT400 WH78-A10 a WH78-A12 od spolo\u010dnosti Korea Ever-Power, preto\u017ee sa jednotky z m\u00e4kkej ocele opotrebovali po 7 \u2013 8 mesiacoch v na\u0161om prostred\u00ed so slinkov\u00fdm prachom. Ozuben\u00e9 koles\u00e1 QT400 maj\u00fa moment\u00e1lne 16 mesiacov \u017eivotnosti s prijate\u013en\u00fdm opotreben\u00edm zubov. Odpor\u00fa\u010danie materi\u00e1lovej \u0161pecifik\u00e1cie od spolo\u010dnosti Korea Ever-Power pred na\u0161ou objedn\u00e1vkou bolo spr\u00e1vne.\u201c<\/p>\n<\/div>\n

Park Hyun-jin, v\u00fdrobca po\u013enohospod\u00e1rskych strojov, Jeonbuk (2024)<\/strong><\/p>\n

\u201eVyr\u00e1bame \u0165ahacie dopravn\u00edky na obilie na mieru pre k\u00f3rejsk\u00e9 k\u0155mne z\u00e1vody a skladovacie dru\u017estv\u00e1. Re\u0165az WR78 s ozuben\u00fdmi kolesami z m\u00e4kkej ocele WH78-A9 a WH78-A11 v tvare p\u00edsmena A. Spolo\u010dnos\u0165 Korea Ever-Power dod\u00e1va pre na\u0161e v\u00fdrobn\u00e9 pr\u00e1ce delen\u00fa zv\u00e1raciu kon\u0161trukciu \u2013 polovice ozuben\u00fdch kolies zv\u00e1rame k na\u0161im vyroben\u00fdm \u010dapom hriade\u013ea po\u010das mont\u00e1\u017ee. Konzistentn\u00e1 rozmerov\u00e1 presnos\u0165 naprie\u010d viacer\u00fdmi objedn\u00e1vkami po\u010das 14 mesiacov.\u201c<\/p>\n<\/div>\n

Oh Tae-jun, in\u017einier \u00fadr\u017eby, z\u00e1vod na spracovanie kameniva, Gangwon (3. \u0161tvr\u0165rok 2024)<\/strong><\/p>\n

\u201eNa na\u0161e poz\u00edcie hlavov\u00fdch hriade\u013eov sme nain\u0161talovali ozuben\u00e9 koles\u00e1 WH78-A12 s delen\u00fdmi skrutkami. Predch\u00e1dzaj\u00faca pevn\u00e1 kon\u0161trukcia si vy\u017eadovala viac ako 3 hodiny na v\u00fdmenu ka\u017ed\u00e9ho ozuben\u00e9ho kolesa kv\u00f4li demont\u00e1\u017ei hriade\u013ea. Delen\u00e1 skrutka na in\u0161tal\u00e1ciu to skr\u00e1tila na 35 min\u00fat na poz\u00edciu. Spolo\u010dnos\u0165 Korea Ever-Power potvrdila obr\u00e1banie delen\u00fdch polov\u00edc v p\u00e1roch \u2013 s\u00faosos\u0165 otvoru je spr\u00e1vna na v\u0161etk\u00fdch nain\u0161talovan\u00fdch jednotk\u00e1ch.\u201c<\/p>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

\n

K\u00f3rea Ever-Power Ozuben\u00e9 koles\u00e1 s A-doskou zv\u00e1ranou oce\u013eovou re\u0165azou WR78\/WH78<\/strong> pokr\u00fdvaj\u00fa 7 a\u017e 20 zubov s rozstupom 2,609 palca \u2013 kompatibiln\u00e9 s re\u0165azou WR78 s ofsetovou bo\u010dnou ty\u010dou aj so zv\u00e1ranou re\u0165azou WH78 pre oce\u013eov\u00e9 valce. Dostupn\u00e9 v m\u00e4kk\u00e1 oce\u013e alebo kalen\u00e1 oce\u013e QT400<\/strong>a v plnej, delenej na skrutky alebo delenej na zv\u00e1ranie kon\u0161trukcii. Nekovov\u00e9 teles\u00e1 nap\u00ednac\u00edch kolies z mosadze, nylonu alebo UHMW s mazac\u00edmi dr\u00e1\u017ekami a mazac\u00edmi prvkami s\u00fa k dispoz\u00edcii pre aplik\u00e1cie vy\u017eaduj\u00face polohy nap\u00ednac\u00edch kolies bez nutnosti mazania alebo odoln\u00e9 vo\u010di kor\u00f3zii.<\/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\/sk\/wp-json\/wp\/v2\/product\/3270","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/comments?post=3270"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/media\/3272"}],"wp:attachment":[{"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/media?parent=3270"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/product_brand?post=3270"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/product_cat?post=3270"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/product_tag?post=3270"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}