{"id":3340,"date":"2026-05-14T04:00:22","date_gmt":"2026-05-14T04:00:22","guid":{"rendered":"https:\/\/sprocket-chain.net\/?p=3340"},"modified":"2026-05-14T04:00:22","modified_gmt":"2026-05-14T04:00:22","slug":"94-series-vs-95-series-engineer-class-sprockets-why-they-cannot-be-substituted","status":"publish","type":"post","link":"https:\/\/sprocket-chain.net\/sk\/94-series-vs-95-series-engineer-class-sprockets-why-they-cannot-be-substituted\/","title":{"rendered":"Ozuben\u00e9 koles\u00e1 Engineer Class s\u00e9rie 94 vs. s\u00e9rie 95: Pre\u010do ich nemo\u017eno nahradi\u0165"},"content":{"rendered":"
\n

<\/p>\n

\n
<\/div>\n

<\/p>\n

<\/div>\n
\n
Upozornenie na kritick\u00fa \u0161pecifik\u00e1ciu \u00b7 Re\u0165azec triedy in\u017einiera<\/div>\n

Ozuben\u00e9 koles\u00e1 Engineer Class s\u00e9rie 94 vs. s\u00e9rie 95: Pre\u010do ich nemo\u017eno nahradi\u0165<\/h1>\n

Tieto dve s\u00e9rie ozuben\u00fdch kolies sp\u00f4sobuj\u00fa najdrah\u0161ie chyby v identifik\u00e1cii pri \u00fadr\u017ebe priemyseln\u00fdch dopravn\u00edkov. Str\u00e1nky katal\u00f3gu vyzeraj\u00fa takmer identicky. Priemery rozstupov\u00fdch kru\u017en\u00edc sa l\u00ed\u0161ia o menej ako 0,5 mm pri rovnakom po\u010dte zubov. Napriek tomu, pou\u017e\u00edvanie jednej s\u00e9rie oproti druhej zni\u010d\u00ed obe komponenty do 500 hod\u00edn. T\u00e1to pr\u00edru\u010dka presne vysvet\u013euje, \u010do je odli\u0161n\u00e9 a ako identifikova\u0165, ktor\u00fa s\u00e9riu m\u00e1te.<\/p>\n

Nechajte si od na\u0161ich technikov overi\u0165 s\u00e9riu va\u0161ej re\u0165aze<\/a><\/p>\n<\/div>\n<\/div>\n

\n

<\/p>\n

V decembri 2024 si technick\u00fd mana\u017e\u00e9r v oceliarni Pohang objednal kompletn\u00fa sadu v\u00fdmeny ozuben\u00fdch kolies pre dva pohony vle\u010dn\u00fdch dopravn\u00edkov. Oba pohony pou\u017e\u00edvali 25-zubov\u00e9 ozuben\u00e9 koles\u00e1. Hodnoty priemeru rozstupovej kru\u017enice v zozname dielov sa zdali by\u0165 rovnak\u00e9 \u2013 203,2 mm pre oba. Objedn\u00e1vka bola kv\u00f4li efekt\u00edvnosti zl\u00fa\u010den\u00e1 s jedn\u00fdm dod\u00e1vate\u013eom. Ke\u010f ozuben\u00e9 koles\u00e1 dorazili, nikto si nev\u0161imol, \u017ee polovica objedn\u00e1vky bola s\u00e9rie 94 a polovica s\u00e9rie 95. Ozuben\u00e9 koles\u00e1 s\u00e9rie 95 boli nain\u0161talovan\u00e9 na pohon, ktor\u00fd poh\u00e1\u0148al re\u0165az s\u00e9rie 94. Do 320 hod\u00edn sa re\u0165az na tomto pohone zah\u00e1kla na ka\u017edom \u0161tvrtom zube a musela by\u0165 vyraden\u00e1 z prev\u00e1dzky. Celkov\u00e9 n\u00e1klady na nespr\u00e1vnu identifik\u00e1ciu: n\u00e1hradn\u00e1 re\u0165az, n\u00fadzov\u00e1 pr\u00e1ca, 18 hod\u00edn nepl\u00e1novan\u00e9ho prestoja a n\u00e1klady na samotn\u00e9 nespr\u00e1vne ozuben\u00e9 koles\u00e1. Cel\u00e9mu incidentu sa dalo pred\u00eds\u0165 jedn\u00fdm meran\u00edm: priemerom valca re\u0165aze, ktor\u00e1 u\u017e bola v pohone.<\/p>\n

Chyba pri z\u00e1mene ozuben\u00fdch kolies v r\u00e1mci in\u017einierskej triedy pre s\u00e9rie 94 a 95 je naj\u010dastej\u0161ou a najn\u00e1kladnej\u0161ou chybnou identifik\u00e1ciou pri \u00fadr\u017ebe priemyseln\u00fdch dopravn\u00edkov. Pochopenie toho, pre\u010do s\u00fa tieto dve s\u00e9rie nekompatibiln\u00e9 \u2013 nielen to, \u017ee s\u00fa nekompatibiln\u00e9 \u2013 umo\u017e\u0148uje \u00fadr\u017eb\u00e1rom identifikova\u0165, s ktorou s\u00e9riou pracuj\u00fa, len na z\u00e1klade re\u0165aze, bez potreby dokument\u00e1cie alebo \u010d\u00edsel dielov.<\/p>\n

\"ozuben\u00e9<\/p>\n

Re\u0165azec triedy in\u017einiera: Kateg\u00f3ria a jej pods\u00e9rie<\/h2>\n

Re\u0165az in\u017einierskej triedy je odli\u0161n\u00e1 produktov\u00e1 kateg\u00f3ria od val\u010dekovej re\u0165aze ANSI. Zatia\u013e \u010do val\u010dekov\u00e1 re\u0165az je navrhnut\u00e1 predov\u0161etk\u00fdm na prenos rota\u010dnej sily pri stredn\u00fdch a\u017e vysok\u00fdch r\u00fdchlostiach, re\u0165az in\u017einierskej triedy je ur\u010den\u00e1 pre \u0165a\u017ek\u00e9 \u0165ahov\u00e9 za\u0165a\u017eenia pri n\u00edzkych r\u00fdchlostiach \u2013 pohony kore\u010dkov\u00fdch elev\u00e1torov, \u0161krab\u00e1kov\u00fdch dopravn\u00edkov, \u0165ahac\u00edch re\u0165azov\u00fdch dopravn\u00edkov a syst\u00e9my manipul\u00e1cie s materi\u00e1lom, kde samotn\u00e1 re\u0165az je dopravn\u00fdm prvkom, a nie len spojen\u00edm dvoch rotuj\u00facich ozuben\u00fdch kolies.<\/p>\n

Rozhoduj\u00facou \u0161truktur\u00e1lnou charakteristikou re\u0165az\u00ed in\u017einierskej triedy je valec \u2013 kombinovan\u00e1 zostava puzdra a val\u010deka \u2013 ktor\u00fd m\u00e1 ove\u013ea v\u00e4\u010d\u0161\u00ed priemer v porovnan\u00ed s rozstupom ako v \u0161tandardnej val\u010dekovej re\u0165azi. Tento ve\u013ek\u00fd priemer val\u010deka poskytuje tri v\u00fdhody: v\u00e4\u010d\u0161iu dosadaciu plochu oproti kore\u0148u zuba ozuben\u00e9ho kolesa (zn\u00ed\u017eenie kontaktn\u00e9ho nap\u00e4tia), v\u00e4\u010d\u0161iu plochu otvoru pre \u010dap (zn\u00ed\u017eenie nap\u00e4tia \u010dapu pri r\u00e1zovom za\u0165a\u017een\u00ed) a robustnej\u0161\u00ed vonkaj\u0161\u00ed povrch pre kontakt s vlo\u017ekami \u017e\u013eabov a vodiacimi li\u0161tami v aplik\u00e1ci\u00e1ch vle\u010dn\u00fdch dopravn\u00edkov.<\/p>\n

\"\"<\/p>\n

Norma ASME B29.10 (Oce\u013eov\u00e9 re\u0165aze in\u017einierskej triedy) definuje nieko\u013eko odli\u0161n\u00fdch s\u00e9ri\u00ed v r\u00e1mci kateg\u00f3rie in\u017einierskej triedy, pri\u010dom ka\u017ed\u00e1 m\u00e1 \u0161pecifick\u00fa kombin\u00e1ciu rozstupu a priemeru valca. Najbe\u017enej\u0161ie pou\u017e\u00edvan\u00e9 s\u00e9rie v k\u00f3rejsk\u00fdch priemyseln\u00fdch aplik\u00e1ci\u00e1ch s\u00fa:<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n
S\u00e9ria<\/th>\nRozstup (mm)<\/th>\nPriemer hlavne (mm)<\/th>\nPomer hlavne a rozstupu<\/th>\nMinim\u00e1lna medzn\u00e1 hmotnos\u0165 (kN, na prame\u0148)<\/th>\nPrim\u00e1rna aplik\u00e1cia<\/th>\n<\/tr>\n<\/thead>\n
S\u00e9ria 55<\/td>\n41.3<\/td>\n25.4<\/td>\n0.615<\/td>\n71.2<\/td>\nPo\u013enohospod\u00e1rsky odpor, mierna \u0165a\u017eba<\/td>\n<\/tr>\n
S\u00e9ria 67<\/td>\n63.5<\/td>\n44.4<\/td>\n0.699<\/td>\n142.3<\/td>\n\u0164a\u017ek\u00fd \u0165ahac\u00ed dopravn\u00edk, cement<\/td>\n<\/tr>\n
S\u00e9ria 78<\/td>\n63.5<\/td>\n44.4<\/td>\n0.699<\/td>\n142.3<\/td>\nPodobn\u00e9 ako 67 \u2013 in\u00e1 hr\u00fabka plechu<\/td>\n<\/tr>\n
S\u00e9ria 81X<\/td>\n63.5<\/td>\n44.4<\/td>\n0.699<\/td>\n178.0<\/td>\nVysokoz\u00e1\u0165a\u017eov\u00e9 \u0161krab\u00e1kov\u00e9 dopravn\u00edky, ban\u00edctvo<\/td>\n<\/tr>\n
S\u00e9ria 94<\/td>\n101.6<\/td>\n57.1<\/td>\n0.562<\/td>\n356.0<\/td>\n\u0164a\u017ek\u00fd kore\u010dkov\u00fd v\u00fd\u0165ah, \u0165a\u017eobn\u00fd r\u00e1m<\/td>\n<\/tr>\n
S\u00e9ria 95<\/td>\n101.6<\/td>\n50.8<\/td>\n0.500<\/td>\n356.0<\/td>\n\u0164ahov\u00fd dopravn\u00edk, \u0161krab\u00e1k, na v\u0161eobecn\u00e9 pou\u017eitie<\/td>\n<\/tr>\n
S\u00e9ria 132<\/td>\n152.4<\/td>\n88.9<\/td>\n0.583<\/td>\n667.0<\/td>\nVe\u013emi \u0165a\u017ek\u00fd vle\u010dn\u00fd dopravn\u00edk, oce\u013eov\u00e9 okuje<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

Rozdiel v rozmeroch 94 vs 95: \u010co presne sa l\u00ed\u0161i a pre\u010do je to d\u00f4le\u017eit\u00e9<\/h2>\n

<\/p>\n

\n
\n
S\u00e9ria 94<\/div>\n
ASME B29.10 \u00b7 V\u00e4\u010d\u0161\u00ed valec<\/div>\n
\n
V\u00fd\u0161ka t\u00f3nu<\/span>101,6 mm (4 palce)<\/span><\/div>\n
Priemer hlavne<\/span>57,1 mm<\/span><\/div>\n
Pomer hlavne \/ st\u00fapania<\/span>0.562<\/span><\/div>\n
Minim\u00e1lne medzn\u00e9 za\u0165a\u017eenie<\/span>356 kN<\/span><\/div>\n
Kore\u0148 zuba ozuben\u00e9ho kolesa<\/span>ri \u2248 29,4 mm<\/span><\/div>\n
PD (pr\u00edklad 25T)<\/span>\u2248 814,3 mm<\/span><\/div>\n<\/div>\n<\/div>\n
\n
S\u00e9ria 95<\/div>\n
ASME B29.10 \u00b7 Men\u0161\u00ed valec<\/div>\n
\n
V\u00fd\u0161ka t\u00f3nu<\/span>101,6 mm (4 palce)<\/span><\/div>\n
Priemer hlavne<\/span>50,8 mm<\/span><\/div>\n
Pomer hlavne \/ st\u00fapania<\/span>0.500<\/span><\/div>\n
Minim\u00e1lne medzn\u00e9 za\u0165a\u017eenie<\/span>356 kN<\/span><\/div>\n
Kore\u0148 zuba ozuben\u00e9ho kolesa<\/span>ri \u2248 26,2 mm<\/span><\/div>\n
PD (pr\u00edklad 25T)<\/span>\u2248 814,3 mm<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n
Kritick\u00fd rozdiel: priemer hlavne 6,3 mm \u2013 identick\u00fd rozstup n\u00e1bojov, identick\u00fd priemer rozstupovej kru\u017enice, \u00faplne nekompatibiln\u00e9 profily zubov.<\/strong> Hlave\u0148 s\u00e9rie 94 m\u00e1 57,1 mm; hlave\u0148 s\u00e9rie 95 m\u00e1 50,8 mm \u2013 rozdiel 6,3 mm alebo 11%. Preto\u017ee polomer usadenia kore\u0148a zuba ozuben\u00e9ho kolesa (ri) sa vypo\u010d\u00edta z polomeru valca plus v\u00f4le usadenia, ozuben\u00e9 koleso s\u00e9rie 95 m\u00e1 kore\u0148 zuba, ktor\u00fd m\u00e1 o 3,15 mm men\u0161\u00ed polomer ako ozuben\u00e9 koleso s\u00e9rie 94 s rovnak\u00fdm rozstupom. Ke\u010f re\u0165az s\u00e9rie 94 (valec 57,1 mm) be\u017e\u00ed na ozubenom kolese s\u00e9rie 95 (kore\u0148 zuba m\u00e1 ve\u013ekos\u0165 pre valec 50,8 mm), valec dosad\u00e1 na boky zubov nad navrhnutou polohou kore\u0148a \u2013 pribli\u017ene 3 mm vysoko na oboch ploch\u00e1ch zubov. T\u00fdm sa za\u0165a\u017eenie re\u0165aze s\u00fastre\u010fuje na hroty zubov, namiesto toho, aby sa rozkladalo po krivke usadenia, \u010do sp\u00f4sobuje r\u00fdchle opotrebovanie ploch zubov a charakteristick\u00fd \u201eh\u00e1kov\u00fd\u201c profil v priebehu 200 \u2013 500 prev\u00e1dzkov\u00fdch hod\u00edn.<\/div>\n

<\/p>\n

Pre\u010do katal\u00f3gy zobrazuj\u00fa rovnak\u00fd priemer rozstupovej kru\u017enice \u2013 a pre\u010do to zav\u00e1dza kupuj\u00facich<\/h2>\n

D\u00f4vodom chyby pri substit\u00facii je matematick\u00e1 zhoda vo v\u00fdpo\u010dte priemeru rozstupovej kru\u017enice (PD). PD z\u00e1vis\u00ed iba od rozstupu a po\u010dtu zubov: PD = p \/ sin(180\u00b0 \/ N). S\u00e9rie 94 aj 95 maj\u00fa rovnak\u00fd rozstup (101,6 mm), tak\u017ee pri akomko\u013evek danom po\u010dte zubov s\u00fa ich priemery rozstupovej kru\u017enice presne rovnak\u00e9. 25-zubov\u00e9 ozuben\u00e9 koleso s\u00e9rie 94 a 25-zubov\u00e9 ozuben\u00e9 koleso s\u00e9rie 95 maj\u00fa rovnak\u00fd PD pribli\u017ene 814,3 mm. T\u00e1to rovnos\u0165 v PD je v\u00fdrazne zobrazen\u00e1 vo v\u00e4\u010d\u0161ine katal\u00f3gov\u00fdch tabuliek \u2013 a je to jedin\u00fd rozmer, ktor\u00fd v\u00e4\u010d\u0161ina kupuj\u00facich porovn\u00e1va.<\/p>\n

\n
\n

V tabu\u013eke katal\u00f3gov\u00fdch hodn\u00f4t PD nie je uveden\u00e1 geometria profilu zuba \u2013 konkr\u00e9tne polomer ulo\u017eenia kore\u0148a zuba (ri), \u010do je skuto\u010dn\u00e1 plocha z\u00e1beru pre valec re\u0165aze. T\u00e1to hodnota nie je uveden\u00e1 vo v\u00e4\u010d\u0161ine katal\u00f3gov distrib\u00fatorov, preto\u017ee ide o odvoden\u00fd rozmer, o ktorom vydavate\u013e katal\u00f3gu predpoklad\u00e1, \u017ee ho kupuj\u00faci z\u00edska z technick\u00fdch v\u00fdkresov. V\u00e4\u010d\u0161ina kupuj\u00facich \u00fadr\u017eby nikdy nem\u00e1 pr\u00edstup k technick\u00fdm v\u00fdkresom \u2013 objedn\u00e1vaj\u00fa si z katal\u00f3govej tabu\u013eky a predpokladaj\u00fa, \u017ee zodpovedaj\u00faca PD znamen\u00e1 zodpovedaj\u00facu geometriu z\u00e1beru.<\/p>\n

Polomer usadenia ri pre ozuben\u00e9 koleso radu 94 je: ri = (d\/2) + 0,006d + 0,003p, kde d je priemer valca a p je st\u00fapanie. Pre rad 94: ri = (57,1\/2) + 0,006(57,1) + 0,003(101,6) = 28,55 + 0,343 + 0,305 = 29,20 mm. Pre rad 95: ri = (50,8\/2) + 0,006(50,8) + 0,003(101,6) = 25,40 + 0,305 + 0,305 = 26,01 mm. Rozdiel v polomere usadenia 3,19 mm znamen\u00e1, \u017ee dva profily zubov s\u00fa geometricky odli\u0161n\u00e9 \u2013 valec, ktor\u00fd usadzuje s polomerom z\u00e1beru 29,20 mm na ozubenom kolese s\u00e9rie 94, sa bude dot\u00fdka\u0165 zuba ozuben\u00e9ho kolesa s\u00e9rie 95 v z\u00e1sadne inom bode na \u010delnej ploche zuba.<\/p>\n<\/div>\n

\n
\n
V\u00fdpo\u010det polomeru sedenia<\/div>\n
\n
S\u00e9ria 94<\/div>\n
ri = 28,55 + 0,343 + 0,305
\nri = 29,20 mm<\/strong><\/div>\n<\/div>\n
\n
S\u00e9ria 95<\/div>\n
ri = 25,40 + 0,305 + 0,305
\nri = 26,01 mm<\/strong><\/div>\n<\/div>\n
Rozdiel: 3,19 mm<\/strong>
\nToto je chyba zapojenia, ke\u010f jedna s\u00e9ria be\u017e\u00ed proti ozuben\u00e9mu kolesu druhej.<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

Ako zisti\u0165, ktor\u00fa s\u00e9riu m\u00e1te: Sta\u010d\u00ed jedno meranie<\/h2>\n

Identifik\u00e1cia s\u00e9rie re\u0165aze vy\u017eaduje iba jedno meranie: vonkaj\u0161\u00ed priemer valca (puzdra). Zmerajte vonkaj\u0161\u00ed priemer valca \u2013 valcov\u00e9ho prvku vidite\u013en\u00e9ho medzi \u010dl\u00e1nkov\u00fdmi doskami \u2013 pomocou posuvn\u00e9ho meradla s vonkaj\u0161ou \u010de\u013eus\u0165ou. Nemerajte priemer otvoru puzdra valca; zmerajte vonkaj\u0161\u00ed povrch, ktor\u00fd sa dot\u00fdka kore\u0148a zuba ozuben\u00e9ho kolesa. Zmerajte tri alebo \u0161tyri valce na r\u00f4znych miestach pozd\u013a\u017e re\u0165aze, aby ste potvrdili konzistentnos\u0165.<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Nameran\u00fd priemer valca.<\/th>\nRe\u0165azov\u00e1 s\u00e9ria<\/th>\nOzuben\u00e9 koleso na objedn\u00e1vku<\/th>\nPotvrdi\u0165 aj ihrisko<\/th>\n<\/tr>\n<\/thead>\n
56,4\u201357,8 mm<\/td>\nS\u00e9ria 94<\/td>\nObjednajte si iba ozuben\u00e9 koleso s\u00e9rie 94<\/td>\n101,6 mm (4 palce)<\/td>\n<\/tr>\n
50,1 \u2013 51,5 mm<\/td>\nS\u00e9ria 95<\/td>\nObjednajte si iba ozuben\u00e9 koleso s\u00e9rie 95<\/td>\n101,6 mm (4 palce)<\/td>\n<\/tr>\n
43,7 \u2013 44,8 mm<\/td>\nS\u00e9ria 81X \/ 67 \/ 78<\/td>\nPotvr\u010fte \u0161\u00edrku platne na rozl\u00ed\u0161enie pods\u00e9ri\u00ed<\/td>\n63,5 mm (2,5 palca)<\/td>\n<\/tr>\n
24,8 \u2013 25,7 mm<\/td>\nS\u00e9ria 55<\/td>\nObjednajte si iba ozuben\u00e9 koleso s\u00e9rie 55<\/td>\n41,3 mm (1,63 palca)<\/td>\n<\/tr>\n
87,7 \u2013 89,8 mm<\/td>\nS\u00e9ria 132<\/td>\nObjednajte si iba ozuben\u00e9 koleso s\u00e9rie 132<\/td>\n152,4 mm (6 palcov)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
Protiintuit\u00edvne: najspo\u013eahlivej\u0161\u00edm sp\u00f4sobom, ako ur\u010di\u0165 spr\u00e1vne ozuben\u00e9 koleso, je zmera\u0165 valec re\u0165aze \u2013 nie opotrebovan\u00e9 ozuben\u00e9 koleso.<\/strong> Opotrebovan\u00e9 ozuben\u00e9 koleso, ktor\u00e9 be\u017e\u00ed na re\u0165azi s prie\u010dnym radom, bude ma\u0165 geometriu kore\u0148a zuba upraven\u00fa smerom k strednej hodnote medzi t\u00fdmito dvoma radmi. Meranie polomeru kore\u0148a zuba na opotrebovanom ozubenom kolese m\u00f4\u017ee poskytn\u00fa\u0165 nejednozna\u010dn\u00fd v\u00fdsledok, ktor\u00fd nezodpoved\u00e1 ani nomin\u00e1lnej hodnote radu 94, ani rade 95. Valec re\u0165aze si v\u0161ak zachov\u00e1va svoj nomin\u00e1lny priemer po\u010das celej svojej \u017eivotnosti \u2013 povrch valca sa opotrebov\u00e1va smerom dovn\u00fatra iba na povrchu otvoru (kontaktn\u00fd povrch \u010dapu), nie na vonkaj\u0161om povrchu, ktor\u00fd sa dot\u00fdka ozuben\u00e9ho kolesa. Meranie priemeru valca na re\u0165azi, ktor\u00e1 sa aktu\u00e1lne nach\u00e1dza v pohone, poskytuje spo\u013eahliv\u00fa identifik\u00e1ciu radu bez oh\u013eadu na to, ako ve\u013emi je ktor\u00fdko\u013evek komponent opotrebovan\u00fd.<\/div>\n

<\/p>\n

Rizik\u00e1 nahradenia v s\u00e9rii Engineer Class po roku 94 vs. 95<\/h2>\n

Chyba 94 vs 95 je naj\u010dastej\u0161ia, ale nie je to jedin\u00e9 riziko z\u00e1meny triedy in\u017einiera. Pozornos\u0165 si zasl\u00fa\u017eia aj tri \u010fal\u0161ie p\u00e1rovania:<\/p>\n

S\u00e9ria 67 vs. s\u00e9ria 81X.<\/strong> Obe maj\u00fa rozstup 63,5 mm a priemer hlavne 44,4 mm \u2013 tak\u017ee ich rozmer hlavne nerozli\u0161uje. Rozdiel je v hr\u00fabke \u010dl\u00e1nkovej dosky a priemere \u010dapu: s\u00e9ria 81XH m\u00e1 v\u00fdrazne \u0165a\u017e\u0161iu \u010das\u0165 dosky ako s\u00e9ria 67. Pou\u017eitie re\u0165aze s\u00e9rie 67 na ozuben\u00fdch koles\u00e1ch 81X (alebo naopak) v\u0161ak nesp\u00f4sobuje okam\u017eite probl\u00e9my so z\u00e1berom zubov, preto\u017ee priemer hlavne je rovnak\u00fd. Pou\u017eitie re\u0165aze s\u00e9rie 67 v pohone dimenzovanom pre kapacitu 81XH v\u0161ak sp\u00f4sobuje \u0161truktur\u00e1lne podhodnotenie \u2013 re\u0165az nesie za\u0165a\u017eenia, ktor\u00e9 presahuj\u00fa jej publikovan\u00fd bezpe\u010dnostn\u00fd faktor pri pretrhnut\u00ed, aj ke\u010f fyzicky pasuje na ozuben\u00e9 koleso. Identifik\u00e1cia vy\u017eaduje meranie hr\u00fabky \u010dl\u00e1nkovej dosky a porovnanie s hodnotami publikovan\u00fdmi pod\u013ea ASME B29.10 pre ka\u017ed\u00fa s\u00e9riu.<\/p>\n

\u0164a\u017ek\u00e1 val\u010dekov\u00e1 re\u0165az ANSI (#80H, #100H) vs. trieda Engineer.<\/strong> S rozstupom 25,4 mm a 31,75 mm maj\u00fa re\u0165aze ANSI heavy Series priemery valcov 15,88 mm a 19,05 mm. Re\u0165aze triedy Engineer za\u010d\u00ednaj\u00fa s minim\u00e1lnym rozstupom 41,3 mm. Medzi t\u00fdmito dvoma kateg\u00f3riami nedoch\u00e1dza k prekr\u00fdvaniu rozstupu, tak\u017ee samotn\u00e9 meranie rozstupu eliminuje toto riziko z\u00e1meny \u2013 pohony triedy Engineer nikdy nebud\u00fa pasova\u0165 na \u0161tandardn\u00fa val\u010dekov\u00fa re\u0165az ANSI pod\u013ea rozstupu.<\/p>\n

\"workshop<\/p>\n

Vlastn\u00edcky re\u0165azec vs. \u0161tandardn\u00fd rad ASME.<\/strong> Niektor\u00ed v\u00fdrobcovia OEM pre \u0165a\u017ek\u00e9 dopravn\u00edky pou\u017e\u00edvaj\u00fa propriet\u00e1rnu re\u0165az, ktor\u00e1 m\u00e1 rovnak\u00e9 rozmery rozstupu ako s\u00e9ria ASME Engineer Triede, ale m\u00e1 odli\u0161n\u00e9 priemery valcov ako publikovan\u00e9 hodnoty ASME. Toto sa naj\u010dastej\u0161ie vyskytuje u japonsk\u00fdch a nemeck\u00fdch zariaden\u00ed OEM pre dopravn\u00edky prev\u00e1dzkovan\u00fdch v k\u00f3rejsk\u00fdch zariadeniach. Pri t\u00fdchto pohonoch by sa malo meranie valca porovna\u0165 s tabu\u013ekou ASME aj s pr\u00edru\u010dkou OEM pre diely \u2013 ak nameran\u00e1 hodnota nezodpoved\u00e1 \u017eiadnej s\u00e9rii ASME, re\u0165az m\u00f4\u017ee by\u0165 propriet\u00e1rna a mus\u00ed sa objedna\u0165 prostredn\u00edctvom v\u00fdrobcu OEM alebo potvrden\u00e9ho dod\u00e1vate\u013ea s kr\u00ed\u017eov\u00fdm odkazom.<\/p>\n

<\/p>\n

\u0160tvorkrokov\u00fd postup obstar\u00e1vania, ktor\u00fd zabra\u0148uje objedn\u00e1vkam naprie\u010d s\u00e9riami<\/h2>\n
    \n
  1. Zmerajte priemer valca na re\u0165azi, ktor\u00e1 je moment\u00e1lne v pohone.<\/strong> Pou\u017eite extern\u00e9 posuvn\u00e9 meradl\u00e1; zaznamen\u00e1vajte s presnos\u0165ou \u00b10,2 mm. Toto jedin\u00e9 meranie identifikuje s\u00e9riu. Nepou\u017e\u00edvajte opotrebovan\u00e9 ozuben\u00e9 koleso ako identifika\u010dn\u00fa referenciu \u2013 ako je vysvetlen\u00e9 vy\u0161\u0161ie, opotrebovan\u00e1 geometria zubov na prie\u010dnom pohone s\u00e9ri\u00ed je pre identifik\u00e1ciu s\u00e9rie nespo\u013eahliv\u00e1.<\/li>\n
  2. Potvr\u010fte v\u00fd\u0161ku t\u00f3nu 10-\u010dl\u00e1nkovou met\u00f3dou.<\/strong> Zmerajte vzdialenos\u0165 medzi \u010dapmi cez 10 \u010dl\u00e1nkov a vyde\u013ete 10. Pre s\u00e9rie 94 a 95 by to malo potvrdi\u0165 101,6 mm. Ak sa nameran\u00fd priemern\u00fd rozstup l\u00ed\u0161i od 101,6 mm o viac ako 3% (viac ako 3,0 mm), re\u0165az dosiahla svoj limit pred\u013a\u017eenia a mus\u00ed sa vymeni\u0165 s\u00fa\u010dasne s ozuben\u00fdmi kolesami.<\/li>\n
  3. V objedn\u00e1vke uve\u010fte priemer hlavne aj ozna\u010denie s\u00e9rie.<\/strong> Poskytnite dod\u00e1vate\u013eovi: ozna\u010denie s\u00e9rie (napr. \u201es\u00e9ria 94\u201c), po\u010det zubov, priemer otvoru a nameran\u00fd priemer valca z re\u0165aze. Priemer valca sl\u00fa\u017ei ako nez\u00e1visl\u00e1 kontrola, \u010di prijat\u00e9 ozuben\u00e9 koleso zodpoved\u00e1 re\u0165azi v pohone, nielen menovit\u00e9 ozna\u010denie s\u00e9rie z katal\u00f3govej tabu\u013eky.<\/li>\n
  4. Po prijat\u00ed pred in\u0161tal\u00e1ciou overte, \u010di valec spr\u00e1vne pasuje na kore\u0148 zuba.<\/strong> Umiestnite nov\u00e9 ozuben\u00e9 koleso ved\u013ea re\u0165aze a ru\u010dne usa\u010fte valec do p\u00e4ty zuba zvolen\u00e9ho ozuben\u00e9ho kolesa. \u013dahk\u00fdm tlakom ruky by sa valec mal spusti\u0165 do p\u00e4ty zubov a zarovna\u0165 s ich plochami bez toho, aby sa k\u00fdval alebo vy\u010dnieval. Ak sa valec k\u00fdva na ploch\u00e1ch zubov alebo je nad \u00farov\u0148ou kru\u017enice hrotu zuba, ozuben\u00e9 koleso je nespr\u00e1vneho radu \u2013 nein\u0161talujte ho.<\/li>\n<\/ol>\n

    <\/p>\n

    Kde s\u00fa \u0161pecifikovan\u00e9 syst\u00e9my in\u017einierskej triedy s\u00e9rie 94 a 95<\/h2>\n

    Oceliare\u0148 a spracovanie kovov.<\/strong> S\u00e9ria 94 je \u0161tandardom pre pohony kore\u010dkov\u00fdch elev\u00e1torov s nosn\u00fdmi r\u00e1mami vo vysok\u00fdch peciach \u2013 tieto pohony zdv\u00edhaj\u00fa koks, rudu a aglomerato vo ve\u013ek\u00fdch kore\u010dk\u00e1ch pri n\u00edzkych r\u00fdchlostiach a ve\u013emi vysok\u00fdch za\u0165a\u017eeniach. V\u00e4\u010d\u0161\u00ed valec s\u00e9rie 94 poskytuje kontaktn\u00fa plochu potrebn\u00fa pre spo\u013eahliv\u00fa prev\u00e1dzku pri kombin\u00e1cii trval\u00e9ho \u0165ahov\u00e9ho za\u0165a\u017eenia a r\u00e1zov\u00e9ho n\u00e1razu pri za\u0165a\u017een\u00ed kore\u010dkami v oblasti p\u00e4ty. Ozuben\u00e9 koles\u00e1 kore\u010dkov\u00e9ho elev\u00e1tora s\u00e9rie 94<\/a> Pre tieto aplik\u00e1cie by sa mali objedn\u00e1va\u0165 s potvrden\u00fdmi certifik\u00e1tmi tvrdosti zubov \u2013 cementovan\u00e9 zuby s\u00fa \u0161tandardom pre slu\u017eby v oceliar\u0148ach.<\/p>\n

    Spracovanie cementu a nerastov.<\/strong> S\u00e9ria 95 sa \u010dastej\u0161ie vyskytuje v horizont\u00e1lnych \u0165ahac\u00edch dopravn\u00edkoch v cement\u00e1r\u0148ach \u2013 vstupn\u00fdch dopravn\u00edkoch pec\u00ed, pod\u00e1va\u010doch chladi\u010dov slinku a \u0165ahac\u00edch re\u0165aziach pre vstup surov\u00edn. Men\u0161\u00ed valec s\u00e9rie 95 ju rob\u00ed \u013eah\u0161ou na meter ako s\u00e9ria 94 pri rovnakom rozstupe, \u010do zni\u017euje hnac\u00ed v\u00fdkon potrebn\u00fd pre dlh\u00e9 horizont\u00e1lne \u0165ahacie dopravn\u00edky, kde hmotnos\u0165 re\u0165aze tvor\u00ed v\u00fdznamn\u00fa \u010das\u0165 celkov\u00e9ho \u0165ahan\u00e9ho za\u0165a\u017eenia. Pri rovnakom rozstupe a po\u010dte zubov m\u00f4\u017ee re\u0165az s\u00e9rie 95 zn\u00ed\u017ei\u0165 po\u017eiadavky na pohon dopravn\u00edka o 8 \u2013 121 TP3T v porovnan\u00ed so s\u00e9riou 94, a to za cenu mierne men\u0161ej kontaktnej plochy valca. Tento kompromis je prijate\u013en\u00fd pre horizont\u00e1lne \u0165ahan\u00e9 za\u0165a\u017eenia, ale nie pre aplik\u00e1cie vertik\u00e1lnych kore\u010dkov\u00fdch elev\u00e1torov, kde rozhoduje kontaktn\u00e9 nap\u00e4tie valca.<\/p>\n

    \u0164a\u017eba a dob\u00fdvanie.<\/strong> Obe s\u00e9rie sa vyskytuj\u00fa v aplik\u00e1ci\u00e1ch vle\u010dn\u00fdch dopravn\u00edkov v podzemnej bani v k\u00f3rei a juhov\u00fdchodnej \u00c1zii. Vo\u013eba \u0161pecifik\u00e1cie medzi nimi je ur\u010den\u00e1 kon\u0161truk\u010dn\u00fdmi normami konzultanta \u2013 niektor\u00e9 in\u017einierske spolo\u010dnosti \u0161tandardizuj\u00fa s\u00e9riu 94 vo v\u0161etk\u00fdch svojich projektoch bez oh\u013eadu na aplik\u00e1ciu; in\u00e9 \u0161pecifikuj\u00fa s\u00e9riu 95 ako predvolen\u00fa pre vle\u010dn\u00e9 dopravn\u00edky. Ani jeden z t\u00fdchto pr\u00edstupov nie je z kon\u0161truk\u010dn\u00e9ho h\u013eadiska nespr\u00e1vny, ak je re\u0165az spr\u00e1vne dimenzovan\u00e1 pre aplika\u010dn\u00e9 za\u0165a\u017eenie. Probl\u00e9m nast\u00e1va, ke\u010f t\u00edm \u00fadr\u017eby zariadenia vymen\u00ed komponenty bez pr\u00edstupu k p\u00f4vodnej kon\u0161truk\u010dnej \u0161pecifik\u00e1cii a objedn\u00e1va iba pod\u013ea katal\u00f3gov\u00e9ho \u010d\u00edsla.<\/p>\n

    <\/p>\n

    \u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
    \nAk je priemer rozstupovej kru\u017enice rovnak\u00fd, pre\u010do sa poloha z\u00e1beru zubov l\u00ed\u0161i?<\/summary>\n
    Preto\u017ee rozstupov\u00e1 kru\u017enica je teoretick\u00fd kon\u0161trukt, nie fyzick\u00fd povrch. Rozstupov\u00e1 kru\u017enica prech\u00e1dza stredmi valcov re\u0165aze, ke\u010f s\u00fa usaden\u00e9 v ich navrhovanej polohe v krivke dosadnutia kore\u0148a zuba. Aby sa valec s\u00e9rie 94 nach\u00e1dzal na rozstupovej kru\u017enici, mus\u00ed dosada\u0165 v polomere 29,20 mm od kore\u0148a zuba. Kore\u0148 zuba s\u00e9rie 95 m\u00e1 svoju krivku dosadnutia v polomere 26,01 mm. Ke\u010f je valec s\u00e9rie 94 umiestnen\u00fd v kore\u0148i zuba s\u00e9rie 95, fyzicky nem\u00f4\u017ee dosiahnu\u0165 krivku dosadnutia s\u00e9rie 95 \u2013 valec je pr\u00edli\u0161 ve\u013ek\u00fd na to, aby klesol do navrhovanej h\u013abky. Je umiestnen\u00fd v zube o 3,19 mm vy\u0161\u0161ie, ako je navrhovan\u00e9, \u010do ho umiest\u0148uje na polomer rozstupovej kru\u017enice ozuben\u00e9ho kolesa s\u00e9rie 95. To znamen\u00e1, \u017ee re\u0165az zaber\u00e1 nad navrhovan\u00fdm bodom \u2013 na bokoch zuba a nie v kore\u0148i, \u010do vytv\u00e1ra vysok\u00e9 kontaktn\u00e9 nap\u00e4tie s\u00fastreden\u00e9 na dvoch mal\u00fdch ploch\u00e1ch \u010dela zuba, a nie rozlo\u017een\u00e9 po zakrivenej dosadacej ploche.<\/div>\n<\/details>\n
    \nD\u00e1 sa kr\u00ed\u017eov\u00fd radov\u00fd pohon opravi\u0165 \u00fapravou geometrie zubov ozuben\u00e9ho kolesa?<\/summary>\n
    Teoreticky by sa kore\u0148 zuba ozuben\u00e9ho kolesa dal opracova\u0165 tak, aby sa prisp\u00f4sobil in\u00e9mu priemeru valca \u2013 napr\u00edklad by sa zv\u00e4\u010d\u0161il polomer kore\u0148a na ozubenom kole s\u00e9rie 95, aby sa zhodoval s po\u017eiadavkou s\u00e9rie 94. V praxi sa to nikdy neodpor\u00fa\u010da a zriedkakedy je to uskuto\u010dnite\u013en\u00e9. Op\u00e4tovn\u00e9 opracovanie kore\u0148a zuba vy\u017eaduje odstr\u00e1nenie materi\u00e1lu z dosadacej krivky, \u010do zmen\u0161uje prierez zuba v jeho najkritickej\u0161om bode nam\u00e1hania. U kalen\u00fdch ozuben\u00fdch kolies op\u00e4tovn\u00e9 opracovanie preru\u0161\u00ed kalen\u00e9 puzdro a odhal\u00ed m\u00e4kk\u00fd jadrov\u00fd materi\u00e1l v kontaktnom bode kore\u0148a \u2013 opak toho, \u010do je potrebn\u00e9 pre odolnos\u0165 proti opotrebeniu. Spr\u00e1vnym rie\u0161en\u00edm je v\u017edy vymeni\u0165 ozuben\u00e9 koleso za spr\u00e1vnu s\u00e9riu, nie upravova\u0165 nespr\u00e1vne.<\/div>\n<\/details>\n
    \nJe na re\u0165azi alebo ozubenom kolese ozna\u010denie alebo razenie, ktor\u00e9 identifikuje s\u00e9riu?<\/summary>\n
    \u00c1no, na nov\u00fdch komponentoch. Re\u0165az pod\u013ea ASME B29.10 je zvy\u010dajne ozna\u010den\u00e1 na \u010dl\u00e1nkov\u00fdch dosk\u00e1ch ozna\u010den\u00edm s\u00e9rie (napr. \u201e94\u201c alebo \u201e95\u201c) a identifika\u010dnou zna\u010dkou v\u00fdrobcu. Ozuben\u00e9 koles\u00e1 s\u00fa zvy\u010dajne vyrazen\u00e9 na \u010dele n\u00e1boja s ozna\u010den\u00edm s\u00e9rie, po\u010dtom zubov a \u010dasto aj ve\u013ekos\u0165ou otvoru. Po rokoch prev\u00e1dzky v abraz\u00edvnom priemyselnom prostred\u00ed s\u00fa tieto ozna\u010denia \u010dasto opotrebovan\u00e9 alebo zakryt\u00e9 kor\u00f3ziou. Ak ozna\u010denia nie s\u00fa \u010ditate\u013en\u00e9 \u2013 \u010do je situ\u00e1cia vo v\u00e4\u010d\u0161ine scen\u00e1rov \u00fadr\u017eby \u2013 meranie priemeru valca op\u00edsan\u00e9 vy\u0161\u0161ie je spo\u013eahlivou met\u00f3dou identifik\u00e1cie. Preto je cenn\u00e9 uchov\u00e1va\u0165 z\u00e1znamy o meraniach (ako je op\u00edsan\u00e9 v \u010dl\u00e1nku 9 tejto s\u00e9rie) pre ka\u017ed\u00fd pohon triedy in\u017einier v zariaden\u00ed \u2013 ma\u0165 v z\u00e1zname priemer valca z poslednej kontroly sa zabr\u00e1ni vzniku probl\u00e9mu s identifik\u00e1ciou s\u00e9rie v \u010dase v\u00fdmeny.<\/div>\n<\/details>\n
    \nAk\u00fd je spr\u00e1vny sp\u00f4sob potvrdenia objedn\u00e1vky n\u00e1hradn\u00fdch ozuben\u00fdch kolies in\u017einierskej triedy u dod\u00e1vate\u013ea?<\/summary>\n
    Minim\u00e1lne inform\u00e1cie pre spr\u00e1vne \u0161pecifikovan\u00fa objedn\u00e1vku ozuben\u00e9ho kolesa triedy Engineer s\u00fa: (1) ozna\u010denie s\u00e9rie (94, 95, 81X, 67, 55 alebo 132), (2) po\u010det zubov, (3) priemer otvoru a dr\u00e1\u017eka pre k\u013e\u00fa\u010d, (4) typ n\u00e1boja (A-doska, B-n\u00e1boj, C-n\u00e1boj), (5) nameran\u00fd priemer valca z re\u0165aze na kr\u00ed\u017eov\u00fa kontrolu. Dod\u00e1vate\u013e, ktor\u00fd potvrd\u00ed objedn\u00e1vku bez toho, aby si vy\u017eiadal alebo nez\u00e1visle overil priemer valca re\u0165aze oproti \u0161pecifik\u00e1cii s\u00e9rie ozuben\u00e9ho kolesa, nevykon\u00e1va predbe\u017en\u00e9 overenie s\u00e9rie, ktor\u00e9 zabra\u0148uje chyb\u00e1m medzi s\u00e9riami. \u0160tandardn\u00fd postup spolo\u010dnosti Korea Ever-Power pre v\u0161etky objedn\u00e1vky ozuben\u00fdch kolies triedy Engineer je vy\u017eiada\u0165 si od z\u00e1kazn\u00edka meranie priemeru valca re\u0165aze pred potvrden\u00edm geometrie zubov a za\u010dat\u00edm obr\u00e1bania \u2013 t\u00fdm sa zabr\u00e1ni tomu, aby sa chyba medzi s\u00e9riami dostala do f\u00e1zy in\u0161tal\u00e1cie.<\/div>\n<\/details>\n

    <\/p>\n

    \n
    Overenie predobjedn\u00e1vky s\u00e9rie je zahrnut\u00e9<\/div>\n

    Objednajte si ozuben\u00e9 koles\u00e1 triedy Engineer s potvrdenou s\u00e9riou pred obr\u00e1ban\u00edm<\/h2>\n

    Po\u0161lite n\u00e1m rozmery priemeru hlavne re\u0165aze, po\u010det zubov a po\u017eiadavky na v\u0155tanie. Na\u0161i technici pred dodan\u00edm ak\u00e9hoko\u013evek materi\u00e1lu porovnaj\u00fa priemer hlavne s radom ozuben\u00fdch kolies, \u010d\u00edm sa pred\u00edde chybe z\u00e1meny radu 94 za 95 pri zdroji.<\/p>\n

    Prehliada\u0165 ozuben\u00e9 koles\u00e1 Engineer Class<\/a>
    \n    Odo\u0161lite meranie suda pre bezplatn\u00e9 potvrdenie<\/a><\/div>\n<\/div>\n<\/div>\n

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

    Upozornenie na kritick\u00fa \u0161pecifik\u00e1ciu \u00b7 Re\u0165az Engineer Class Chain radu 94 vs. rad 95 Ozuben\u00e9 koles\u00e1 Engineer Class: Pre\u010do ich nemo\u017eno nahradi\u0165 Tieto dve s\u00e9rie ozuben\u00fdch kolies sp\u00f4sobuj\u00fa najdrah\u0161ie chyby nespr\u00e1vnej identifik\u00e1cie pri \u00fadr\u017ebe priemyseln\u00fdch dopravn\u00edkov. Str\u00e1nky katal\u00f3gu vyzeraj\u00fa takmer identicky. Priemery rozstupovej kru\u017enice sa l\u00ed\u0161ia o menej ako 0,5 mm pri rovnakom po\u010dte zubov. Napriek tomu be\u017eiaci [\u2026]<\/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-3340","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\/sk\/wp-json\/wp\/v2\/posts\/3340","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/comments?post=3340"}],"version-history":[{"count":2,"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/posts\/3340\/revisions"}],"predecessor-version":[{"id":3342,"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/posts\/3340\/revisions\/3342"}],"wp:attachment":[{"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/media?parent=3340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/categories?post=3340"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/tags?post=3340"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}