{"id":1242,"date":"2026-05-20T07:21:34","date_gmt":"2026-05-20T07:21:34","guid":{"rendered":"https:\/\/pto-gearbox.net\/?p=1242"},"modified":"2026-05-20T07:21:34","modified_gmt":"2026-05-20T07:21:34","slug":"gearbox-for-manure-spreaders-engineering-for-harsh-duty","status":"publish","type":"post","link":"https:\/\/pto-gearbox.net\/cs\/gearbox-for-manure-spreaders-engineering-for-harsh-duty\/","title":{"rendered":"P\u0159evodovka pro rozmetadla hnoje: Konstrukce pro n\u00e1ro\u010dn\u00e9 podm\u00ednky"},"content":{"rendered":"
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<\/div>\n
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P\u0159evodovka pro rozmetadla hnoje: Konstrukce pro n\u00e1ro\u010dn\u00e9 podm\u00ednky<\/h1>\n

Hodnota pH \u010derstv\u00e9ho ml\u00e9\u010dn\u00e9ho hnoje se pohybuje v rozmez\u00ed od 6,8 \u200b\u200bdo 7,4. Kompostovan\u00e1 dr\u016fbe\u017e\u00ed podest\u00fdlka kles\u00e1 na 5,5. Tekut\u00e1 vep\u0159ov\u00e1 kejda obsahuje koncentrace sirovod\u00edku, kter\u00e9 urychluj\u00ed korozi oceli desetkr\u00e1t rychleji ne\u017e vystaven\u00ed atmosf\u00e9\u0159e. To jsou chemick\u00e9 podm\u00ednky, za kter\u00fdch mus\u00ed p\u0159evodovka rozmetadla hnoje spolehliv\u011b fungovat po tis\u00edce hodin \u2013 a konstrukce, kter\u00e1 to umo\u017e\u0148uje, zahrnuje mnohem v\u00edce ne\u017e jen v\u00fdb\u011br standardn\u00ed zem\u011bd\u011blsk\u00e9 p\u0159evodovky a jej\u00ed p\u0159i\u0161roubov\u00e1n\u00ed k h\u0159\u00eddeli \u0161leha\u010de.<\/p>\n

\u017d\u00e1dost o cenovou nab\u00eddku na p\u0159evodovku pro rozmetadlo hnoje<\/a><\/p>\n<\/div>\n<\/div>\n

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<\/p>\n

\u00daloha p\u0159evodovky v provozu rozmetadla hnoje<\/h2>\n

A p\u0159evodovka pro rozmetadla hnoje<\/strong> prov\u00e1d\u00ed mechanick\u00fd p\u0159evod mezi v\u00fdkonem v\u00fdvodov\u00e9ho h\u0159\u00eddele traktoru a distribu\u010dn\u00edm mechanismem rozmetadla \u2013 v\u00e1lci, rotuj\u00edc\u00edmi disky nebo ob\u011b\u017en\u00fdmi koly v z\u00e1vislosti na typu rozmetadla. P\u0159evodovka sni\u017euje ot\u00e1\u010dky v\u00fdvodov\u00e9ho h\u0159\u00eddele (obvykle 540 ot.\/min) na optim\u00e1ln\u00ed ot\u00e1\u010dky v\u00e1lce nebo disku (80\u2013250 ot.\/min u sk\u0159\u00ed\u0148ov\u00fdch rozmetadel, 400\u2013800 ot.\/min u rozmetadel s odst\u0159ediv\u00fdm mechanismem) a z\u00e1rove\u0148 zn\u00e1sobuje to\u010div\u00fd moment pro zvl\u00e1dnut\u00ed t\u011b\u017ek\u00e9ho, visk\u00f3zn\u00edho a \u010dasto nekonzistentn\u00edho rozmetan\u00e9ho materi\u00e1lu.<\/p>\n

To, co \u010din\u00ed aplikaci p\u0159evodovky rozmetadla hnoje jedine\u010dn\u011b n\u00e1ro\u010dnou, je kombinace \u010dty\u0159 faktor\u016f prost\u0159ed\u00ed, kter\u00e9 se v jin\u00fdch oblastech jen z\u0159\u00eddka shoduj\u00ed. P\u0159evodovka PTO<\/a> pou\u017eit\u00ed: chemick\u00e1 koroze zp\u016fsoben\u00e1 organick\u00fdmi kyselinami a plyny v hnoji, siln\u00e9 r\u00e1zov\u00e9 zat\u00ed\u017een\u00ed zmrzl\u00fdm materi\u00e1lem a ciz\u00edmi p\u0159edm\u011bty, abrazivn\u00ed kontaminace \u0161t\u011brkem a podest\u00fdlkou \u200b\u200ba vlhk\u00e9 provozn\u00ed podm\u00ednky, kter\u00e9 naru\u0161uj\u00ed t\u011bsn\u011bn\u00ed a podporuj\u00ed korozi na v\u0161ech exponovan\u00fdch kovov\u00fdch povr\u0161\u00edch.<\/p>\n

Tento \u010dl\u00e1nek zkoum\u00e1 konstruk\u010dn\u00ed principy p\u0159evodovek ur\u010den\u00fdch pro rozmetadla hnoje \u2013 od v\u00fdb\u011bru materi\u00e1lu a povrchov\u00e9 \u00fapravy a\u017e po technologii t\u011bsn\u011bn\u00ed, v\u00fdpo\u010det zat\u00ed\u017een\u00ed a dlouhodobou debatu mezi architekturami \u0159et\u011bzov\u00fdch a ozuben\u00fdch pohon\u016f.<\/p>\n

\"P\u0159evodovka<\/div>\n

<\/p>\n

Korozn\u00ed in\u017een\u00fdrstv\u00ed: P\u0159e\u017eit\u00ed v prost\u0159ed\u00ed hnoje<\/h2>\n

Hn\u016fj je jedn\u00edm z nejv\u00edce korozivn\u00edch materi\u00e1l\u016f, se kter\u00fdmi se setk\u00e1v\u00e1me v jak\u00e9koli zem\u011bd\u011blsk\u00e9 praxi. Korozn\u00ed mechanismy jsou rozmanit\u00e9 a synergick\u00e9 \u2013 vz\u00e1jemn\u011b se posiluj\u00ed, tak\u017ee kombinovan\u00fd \u00fa\u010dinek je hor\u0161\u00ed ne\u017e sou\u010det jednotliv\u00fdch faktor\u016f.<\/p>\n

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\u00datok organick\u00fdmi kyselinami<\/p>\n

Rozkl\u00e1daj\u00edc\u00ed se hn\u016fj produkuje kyselinu octovou, kyselinu propionovou a kyselinu m\u00e1selnou \u2013 t\u011bkav\u00e9 mastn\u00e9 kyseliny (VFA), kter\u00e9 rozpou\u0161t\u011bj\u00ed barvy, napadaj\u00ed holou ocel a degraduj\u00ed pry\u017eov\u00e1 t\u011bsn\u011bn\u00ed. \u010cerstv\u00fd hn\u016fj m\u00e1 relativn\u011b m\u00edrnou kyselost (pH 6,5\u20137,5), ale \u010d\u00e1ste\u010dn\u011b kompostovan\u00fd materi\u00e1l m\u016f\u017ee dos\u00e1hnout pH 5,0\u20135,5, co\u017e urychluje korozi. Sk\u0159\u00ed\u0148 p\u0159evodovky, vn\u011bj\u0161\u00ed spojovac\u00ed prvky a t\u011bsn\u011bn\u00ed h\u0159\u00eddele jsou vystaveny p\u0159\u00edm\u00e9mu kontaktu s t\u00edmto kysel\u00fdm prost\u0159ed\u00edm nebo jeho post\u0159iku.<\/p>\n<\/div>\n

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Koroze zp\u016fsoben\u00e1 sirovod\u00edkem a amoniakem<\/p>\n

Anaerobn\u00ed rozklad hnoje produkuje sirovod\u00edk (H\u2082S), kter\u00fd reaguje s vlhkost\u00ed na kovov\u00fdch povr\u0161\u00edch za vzniku kyseliny s\u00edrov\u00e9 \u2013 jednoho z nejagresivn\u011bj\u0161\u00edch korozivn\u00edch \u010dinidel. Plynn\u00fd amoniak (NH\u2083) z rozkladu mo\u010doviny napad\u00e1 m\u011bd\u011bn\u00e9 a mosazn\u00e9 sou\u010d\u00e1sti. Tyto plyny spole\u010dn\u011b vytv\u00e1\u0159ej\u00ed kolem rozmetadla mikroatmosf\u00e9ru, kter\u00e1 koroduje jak\u00fdkoli nechr\u00e1n\u011bn\u00fd kov rychlost\u00ed 5\u201310kr\u00e1t rychlej\u0161\u00ed ne\u017e p\u0159i b\u011b\u017en\u00e9m vystaven\u00ed atmosf\u00e9\u0159e. Dokonce i sou\u010d\u00e1sti, kter\u00e9 nejsou p\u0159\u00edmo post\u0159\u00edk\u00e1ny hnojem, trp\u00ed po\u0161kozen\u00edm koroz\u00ed v plynn\u00e9 f\u00e1zi.<\/p>\n<\/div>\n

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Galvanick\u00e1 koroze mezi r\u016fzn\u00fdmi kovy<\/p>\n

Kdy\u017e vlhkost z hnoje p\u0159emost\u00ed dva r\u016fzn\u00e9 kovy \u2013 nap\u0159\u00edklad ocelov\u00fd \u0161roub p\u0159evodovky za\u0161roubovan\u00fd do hlin\u00edkov\u00e9ho pouzdra \u2013 galvanick\u00e1 koroze urychluje destrukci m\u00e9n\u011b u\u0161lechtil\u00e9ho kovu. Hnojn\u00e1 suspenze p\u016fsob\u00ed jako elektrolyt, kter\u00fd je mnohem vodiv\u011bj\u0161\u00ed ne\u017e \u010dist\u00e1 voda. P\u0159evodovky ur\u010den\u00e9 pro rozmetadla hnoje pou\u017e\u00edvaj\u00ed syst\u00e9my upev\u0148ovac\u00edch prvk\u016f ze shodn\u00fdch kov\u016f (cele z nerezov\u00e9 oceli nebo cel\u00e1 z pozinkovan\u00e9 oceli do litiny), aby se minimalizoval galvanick\u00fd potenci\u00e1l.<\/p>\n<\/div>\n<\/div>\n

Prim\u00e1rn\u00ed technickou reakc\u00ed na toto korozn\u00ed prost\u0159ed\u00ed je v\u00edcevrstv\u00e1 ochrana povrchu. Kvalitn\u00ed p\u0159evodovky rozmetadel hnoje pou\u017e\u00edvaj\u00ed litinov\u00e1 nebo tv\u00e1rn\u00e1 litinov\u00e1 pouzdra (v kysel\u00e9m prost\u0159ed\u00ed odoln\u011bj\u0161\u00ed v\u016f\u010di korozi ne\u017e lit\u00fd hlin\u00edk) s pr\u016fmyslov\u00fdm epoxidov\u00fdm nebo polyesterov\u00fdm pr\u00e1\u0161kov\u00fdm n\u00e1t\u011brem na v\u0161ech vn\u011bj\u0161\u00edch povr\u0161\u00edch. N\u011bkte\u0159\u00ed v\u00fdrobci nan\u00e1\u0161ej\u00ed pod vrchn\u00ed n\u00e1t\u011br z\u00e1kladn\u00ed n\u00e1t\u011br z fosf\u00e1tu zinku pro dodate\u010dnou bari\u00e9rovou ochranu. Odkryt\u00e9 \u010d\u00e1sti h\u0159\u00eddele jsou bu\u010f z nerezov\u00e9 oceli, nebo chromovan\u00e9, aby odol\u00e1valy d\u016flkov\u00e9 korozi.<\/p>\n

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N\u00e1razov\u00e9 nakl\u00e1d\u00e1n\u00ed zmrzl\u00e9ho hnoje: Zimn\u00ed v\u00fdzva<\/h2>\n

V chladn\u00e9m podneb\u00ed hn\u016fj nahromad\u011bn\u00fd nebo uskladn\u011bn\u00fd p\u0159es zimu mrzne do hust\u00fdch, tvrd\u00fdch blok\u016f. Kdy\u017e krabicov\u00e9 rozmetadlo hnoje naraz\u00ed na zmrzl\u00e9 kusy \u2013 n\u011bkdy o hmotnosti 20\u201350 kg na kus \u2013 un\u00e1\u0161ec\u00ed li\u0161ty za\u017e\u00edvaj\u00ed n\u00e1razov\u00e9 s\u00edly srovnateln\u00e9 s n\u00e1razem na pevnou sk\u00e1lu. P\u0159evodovka absorbuje tyto n\u00e1razy h\u0159\u00eddel\u00ed un\u00e1\u0161ec\u00edho \u0161leha\u010de, v\u00fdstupn\u00edmi lo\u017eisky a ozuben\u00fdmi koly.<\/p>\n

Pevnost v tlaku zmrazen\u00e9ho hnoje se m\u011bn\u00ed v z\u00e1vislosti na obsahu vlhkosti a teplot\u011b, ale p\u0159i teplot\u011b -15 \u00b0C m\u016f\u017ee zmrazen\u00fd ml\u00e9\u010dn\u00fd hn\u016fj s vlhkost\u00ed 70% dos\u00e1hnout pevnosti v tlaku 3\u20135 MPa \u2013 podobn\u011b jako slab\u00fd beton. Kdy\u017e rozmetadlo naraz\u00ed na zmrazen\u00fd blok p\u0159i 150\u2013200 ot.\/min, okam\u017eit\u00fd to\u010div\u00fd moment na v\u00fdstupu p\u0159evodovky m\u016f\u017ee vzr\u016fst na 3\u20136n\u00e1sobek ust\u00e1len\u00e9ho to\u010div\u00e9ho momentu pro nezmrzl\u00fd materi\u00e1l. Pokud p\u0159evodovka nen\u00ed navr\u017eena pro tuto n\u00e1razovou mez, dojde k zlomen\u00ed zubu ozuben\u00e9ho kola nebo selh\u00e1n\u00ed lo\u017eiska.<\/p>\n

P\u0159evodovky ur\u010den\u00e9 pro provoz rozmetadel hnoje v chladn\u00e9m podneb\u00ed jsou specifikov\u00e1ny s minim\u00e1ln\u00edm provozn\u00edm faktorem 2,0\u20132,5, aby se zohlednil n\u00e1raz zmrzl\u00e9ho materi\u00e1lu. Zuby ozuben\u00e9ho kola by m\u011bly b\u00fdt cementa\u010dn\u011b kalen\u00e9 (cementovan\u00e9 na povrch 58\u201362 HRC s hou\u017eevnat\u00fdm j\u00e1drem) sp\u00ed\u0161e ne\u017e pr\u016fb\u011b\u017en\u011b kalen\u00e9, proto\u017ee cementa\u010dn\u011b kalen\u00e9 zuby kombinuj\u00ed odolnost povrchu proti opot\u0159eben\u00ed s r\u00e1zovou hou\u017eevnatost\u00ed. Pr\u016fb\u011b\u017en\u011b kalen\u00e1 ozuben\u00e1 kola s vysokou tvrdost\u00ed (nad 350 HB) k\u0159ehnou a jsou n\u00e1chyln\u00e1 k n\u00e1hl\u00e9mu zlomen\u00ed zub\u016f p\u0159i n\u00e1razu.<\/p>\n

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\u26a0\ufe0f Frozen Manure: The Hidden Threat to Gearbox Longevity<\/p>\n

Provozovatel\u00e9 \u010dasto podce\u0148uj\u00ed \u0161kody, kter\u00e9 zp\u016fsobuje zmrzl\u00fd hn\u016fj. Jedna sez\u00f3na rozmet\u00e1n\u00ed v chladn\u00e9m po\u010das\u00ed s p\u0159evodovkou, kter\u00e1 nen\u00ed dostate\u010dn\u011b dimenzov\u00e1na pro n\u00e1razov\u00e9 zat\u00ed\u017een\u00ed, m\u016f\u017ee spot\u0159ebovat 50\u2013751 TP3T z konstruk\u010dn\u00ed \u00fanavov\u00e9 \u017eivotnosti p\u0159evodovky. Pokud v\u00e1\u0161 provoz pravideln\u011b rozmet\u00e1 v mraziv\u00fdch podm\u00ednk\u00e1ch, specifikujte p\u0159evodovku s ohledem na n\u00e1razovou odolnost zmrzl\u00e9ho materi\u00e1lu, nikoli na pr\u016fm\u011brn\u00fd to\u010div\u00fd moment nezmrzl\u00e9ho materi\u00e1lu. Rozd\u00edl v po\u010d\u00e1te\u010dn\u00edch n\u00e1kladech mezi standardn\u00ed a t\u011b\u017ekou p\u0159evodovkou je mnohem men\u0161\u00ed ne\u017e v\u00fdm\u011bna p\u0159evodovky v polovin\u011b sez\u00f3ny b\u011bhem kritick\u00e9ho jarn\u00edho rozmetac\u00edho obdob\u00ed.<\/p>\n<\/div>\n

\"Aplikace<\/div>\n

<\/p>\n

\u0158et\u011bzov\u00fd pohon vs. p\u0159evodov\u00fd pohon: Debata o architektu\u0159e<\/h2>\n

Rozmetadla hnoje historicky pou\u017e\u00edvala \u0159et\u011bzov\u00e9 pohony k p\u0159enosu v\u00fdkonu z v\u00fdvodov\u00e9ho h\u0159\u00eddele na rozmetac\u00ed li\u0161ty. Mnoho rozmetadel levn\u011bj\u0161\u00ed a st\u0159edn\u00ed t\u0159\u00eddy tento p\u0159\u00edstup st\u00e1le pou\u017e\u00edv\u00e1. Rozmetadla s p\u0159evodov\u00fdm pohonem vyu\u017e\u00edvaj\u00edc\u00ed uzav\u0159en\u00e9 p\u0159evodovky se v\u0161ak stala preferovanou architekturou pro t\u011b\u017ek\u00fd a komer\u010dn\u00ed provoz. Pochopen\u00ed kompromis\u016f mezi t\u011bmito dv\u011bma p\u0159\u00edstupy pom\u00e1h\u00e1 provozovatel\u016fm vybrat ten spr\u00e1vn\u00fd stroj pro jejich rozsah a pracovn\u00ed cyklus.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n
Faktor<\/th>\n\u0158et\u011bzov\u00fd pohon<\/th>\nP\u0159evodov\u00fd pohon (uzav\u0159en\u00e1 p\u0159evodovka)<\/th>\n<\/tr>\n<\/thead>\n
Po\u010d\u00e1te\u010dn\u00ed n\u00e1klady<\/td>\nSpodn\u00ed<\/td>\nVy\u0161\u0161\u00ed (o 20\u2013401 TP3T v\u00edce)<\/td>\n<\/tr>\n
Vystaven\u00ed korozi<\/td>\nPln\u011b vystaveno st\u0159\u00edkaj\u00edc\u00edmu hnoji a plynu<\/td>\nUzav\u0159en\u00e9; odkryt\u00e9 pouze t\u011bsn\u011bn\u00ed a pouzdro<\/td>\n<\/tr>\n
Maz\u00e1n\u00ed<\/td>\nNutn\u00e9 ru\u010dn\u00ed maz\u00e1n\u00ed (\u010dasto se zanedb\u00e1v\u00e1)<\/td>\nMaz\u00e1n\u00ed v l\u00e1zni \u2013 samomazn\u00e9<\/td>\n<\/tr>\n
\u017divotnost \u0159et\u011bzu\/p\u0159evodu v hnoji<\/td>\n1\u20133 sez\u00f3ny (koroze + prota\u017een\u00ed)<\/td>\n5\u201315 let (v uzav\u0159en\u00e9m stavu proti korozi)<\/td>\n<\/tr>\n
Frekvence \u00fadr\u017eby<\/td>\nVysok\u00e1: denn\u00ed nap\u00edn\u00e1n\u00ed, \u010dast\u00e1 v\u00fdm\u011bna<\/td>\nN\u00edzk\u00e1: v\u00fdm\u011bna oleje po 150\u2013200 hodin\u00e1ch provozu<\/td>\n<\/tr>\n
\u00da\u010dinnost<\/td>\n92\u201396% v nov\u00e9m stavu, s opot\u0159eben\u00edm \u0159et\u011bzu se zhor\u0161uje jeho stav.<\/td>\n96\u201398% konzistentn\u011b po celou dobu \u017eivotnosti<\/td>\n<\/tr>\n
Celkov\u00e9 n\u00e1klady na vlastnictv\u00ed (10 let)<\/td>\nVy\u0161\u0161\u00ed (v\u00edcen\u00e1sobn\u00e1 v\u00fdm\u011bna \u0159et\u011bzu + pr\u00e1ce)<\/td>\nNi\u017e\u0161\u00ed (pouze v\u00fdm\u011bna oleje)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Probl\u00e9m koroze je pro komer\u010dn\u00ed provoz rozhoduj\u00edc\u00ed. V\u00e1le\u010dkov\u00fd \u0159et\u011bz provozovan\u00fd v prost\u0159ed\u00ed s rozst\u0159ikem hnoje ztr\u00e1c\u00ed za sez\u00f3nu 0,5\u20131,01 TP3T sv\u00e9 rozte\u010de v d\u016fsledku opot\u0159eben\u00ed \u010dep\u016f a v\u00e1le\u010dk\u016f, kter\u00e9 je urychleno korozivn\u00ed kontaminac\u00ed. Kdy\u017e se \u0159et\u011bz nat\u00e1hne nad prodlou\u017een\u00ed 31 TP3T, ji\u017e spr\u00e1vn\u011b nezapad\u00e1 do zub\u016f \u0159et\u011bzov\u00e9ho kola a je nutn\u00e9 jej vym\u011bnit \u2013 obvykle ka\u017ed\u00e9 1\u20133 sez\u00f3ny p\u0159i provozu s t\u011b\u017ek\u00fdm hnojem. Dob\u0159e udr\u017eovan\u00fd uzav\u0159en\u00fd \u0159et\u011bz zem\u011bd\u011blsk\u00e1 p\u0159evodovka<\/a> vydr\u017e\u00ed 3\u20135 v\u00fdm\u011bn \u0159et\u011bzu a vy\u017eaduje pouze pravideln\u00e9 v\u00fdm\u011bny oleje.<\/p>\n

\u0158et\u011bzov\u00e9 pohony nab\u00edzej\u00ed jednu v\u00fdhodu: vestav\u011bnou ochranu proti p\u0159et\u00ed\u017een\u00ed. \u0158et\u011bz se p\u0159etrhne d\u0159\u00edve, ne\u017e se po\u0161kod\u00ed hnac\u00ed \u00fastroj\u00ed v\u00fdvodov\u00e9ho h\u0159\u00eddele nebo komponenty traktoru, a p\u016fsob\u00ed jako mechanick\u00e1 pojistka (podobn\u011b jako funkce st\u0159i\u017en\u00e9ho kol\u00edku u jin\u00fdch stroj\u016f). Rozmetadla s p\u0159evodovkou mus\u00ed m\u00edt samostatnou ochranu proti p\u0159et\u00ed\u017een\u00ed \u2013 obvykle st\u0159i\u017en\u00fd \u0161roub na V\u00fdvodov\u00fd h\u0159\u00eddel<\/a> nebo kluznou spojku mezi p\u0159evodovkou a h\u0159\u00eddel\u00ed \u0161leha\u010de.<\/p>\n

<\/p>\n

Technologie t\u011bsn\u011bn\u00ed pro prost\u0159ed\u00ed s kalovou sm\u011bs\u00ed<\/h2>\n

T\u011bsn\u011bn\u00ed v\u00fdstupn\u00edho h\u0159\u00eddele p\u0159evodovky rozmetadla hnoje pracuje v podm\u00ednk\u00e1ch, kter\u00e9 by rychle zni\u010dily standardn\u00ed rota\u010dn\u00ed t\u011bsn\u011bn\u00ed h\u0159\u00eddele. T\u011bsn\u011bn\u00ed mus\u00ed chr\u00e1nit p\u0159ed prachem a vlhkost\u00ed (jako v typick\u00fdch zem\u011bd\u011blsk\u00fdch aplikac\u00edch), ale tak\u00e9 p\u0159ed tekut\u00fdm hnojivem, polotuhou kejdou, p\u00edskem a \u0161t\u011brkem z podest\u00fdlky a p\u0159ed korozivn\u00edmi plyny. Z\u00e1rove\u0148 mus\u00ed zadr\u017eovat p\u0159evodov\u00fd olej uvnit\u0159 sk\u0159\u00edn\u011b.<\/p>\n

Standardn\u00ed t\u011bsn\u011bn\u00ed z nitrilov\u00e9 pry\u017ee (NBR) m\u00e1 omezenou chemickou odolnost v\u016f\u010di organick\u00fdm kyselin\u00e1m a amoniaku p\u0159\u00edtomn\u00fdm v hnoji. Pro pou\u017eit\u00ed v rozmetadlech hnoje by t\u011bsn\u011bn\u00ed m\u011bla b\u00fdt vyrobena z FKM (fluoroelastomer, b\u011b\u017en\u011b zn\u00e1m\u00fd pod zna\u010dkou Viton) nebo HNBR (hydrogenovan\u00fd nitril), kter\u00e9 poskytuj\u00ed vynikaj\u00edc\u00ed chemickou odolnost a teplotn\u00ed stabilitu. T\u011bsn\u011bn\u00ed FKM stoj\u00ed 3\u20135kr\u00e1t v\u00edce ne\u017e standardn\u00ed t\u011bsn\u011bn\u00ed NBR, ale v prost\u0159ed\u00ed s hnojem vydr\u017e\u00ed 2\u20134kr\u00e1t d\u00e9le, co\u017e je \u010din\u00ed ekonomi\u010dt\u011bj\u0161\u00edmi z hlediska hodinov\u00fdch n\u00e1klad\u016f.<\/p>\n

Dvoub\u0159it\u00e1 t\u011bsn\u011bn\u00ed s vn\u011bj\u0161\u00edm b\u0159item proti ne\u010distot\u00e1m a vnit\u0159n\u00edm b\u0159item pro zadr\u017eov\u00e1n\u00ed oleje poskytuj\u00ed minim\u00e1ln\u00ed p\u0159ijatelnou ochranu. Sofistikovan\u011bj\u0161\u00ed konstrukce pou\u017e\u00edvaj\u00ed labyrintov\u00e9 t\u011bsn\u011bn\u00ed vn\u011b b\u0159itov\u00e9ho t\u011bsn\u011bn\u00ed \u2013 bezkontaktn\u00ed t\u011bsn\u011bn\u00ed, kter\u00e9 pou\u017e\u00edv\u00e1 klikatou cestu, aby zabr\u00e1nilo kontaminant\u016fm v dosa\u017een\u00ed b\u0159itov\u00e9ho t\u011bsn\u011bn\u00ed. Labyrintov\u00e1 mezera je napln\u011bna mazivem, kter\u00e9 vytv\u00e1\u0159\u00ed ob\u011btn\u00ed bari\u00e9ru mezi hnojivem a prim\u00e1rn\u00edm t\u011bsnic\u00edm b\u0159item. To vy\u017eaduje mazac\u00ed armaturu na lo\u017eiskov\u00e9m t\u011blese, kterou by m\u011bl obsluha pravideln\u011b dopl\u0148ovat, aby se udr\u017eela mazac\u00ed bari\u00e9ra.<\/p>\n

\"Rozm\u011bry<\/div>\n

<\/p>\n

Typy rozmetadel a po\u017eadavky na jejich p\u0159evodovku<\/h2>\n

R\u016fzn\u00e9 konfigurace rozmetadel hnoje kladou r\u016fzn\u00e9 po\u017eadavky na p\u0159evodovku. Pochopen\u00ed t\u011bchto rozd\u00edl\u016f zaji\u0161\u0165uje spr\u00e1vnou specifikaci.<\/p>\n

\n
\n

Rozmetadla s rozmetac\u00edmi ty\u010demi<\/p>\n

Nejb\u011b\u017en\u011bj\u0161\u00ed konfigurace. Podlahov\u00fd \u0159et\u011bz dopravuje materi\u00e1l k rotuj\u00edc\u00edm v\u00e1lcov\u00fdm ty\u010d\u00edm v zadn\u00ed \u010d\u00e1sti. P\u0159evodovka poh\u00e1n\u00ed sestavu v\u00e1lc\u016f (jeden nebo dva v\u00e1lce) rychlost\u00ed 120\u2013250 ot.\/min. Profil zat\u00ed\u017een\u00ed: vysok\u00fd to\u010div\u00fd moment se siln\u00fdmi n\u00e1razov\u00fdmi \u0161pi\u010dkami, zejm\u00e9na ze zmrzl\u00e9ho nebo zhutn\u011bn\u00e9ho materi\u00e1lu. Po\u017eadavek na p\u0159evodovku: vysok\u00e1 r\u00e1zov\u00e1 odolnost, kalen\u00e9 ozuben\u00e9 kola, provozn\u00ed faktor \u22652,0.<\/p>\n<\/div>\n

\n

Vertik\u00e1ln\u00ed rozmetadla \u0161leha\u010d\u016f<\/p>\n

Vertik\u00e1ln\u011b rotuj\u00edc\u00ed v\u00e1lce drt\u00ed a odhazuj\u00ed materi\u00e1l ven. Tyto konstrukce vy\u017eaduj\u00ed, aby p\u0159evodovka p\u0159esm\u011brovala osu v\u00fdkonu v\u00fdvodov\u00e9ho h\u0159\u00eddele o 90\u00b0 (z horizont\u00e1ln\u00edho vstupu v\u00fdvodov\u00e9ho h\u0159\u00eddele na v\u00fdstup vertik\u00e1ln\u00edho h\u0159\u00eddele v\u00e1lce). Typick\u00e1 je pravo\u00fahl\u00e1 p\u0159evodovka s ku\u017eelov\u00fdm nebo \u0161nekov\u00fdm p\u0159evodem. Profil zat\u00ed\u017een\u00ed: trval\u00fd st\u0159edn\u00ed to\u010div\u00fd moment s ni\u017e\u0161\u00edmi r\u00e1zov\u00fdmi \u0161pi\u010dkami ne\u017e u horizont\u00e1ln\u00edch v\u00e1lc\u016f. Po\u017eadavek na p\u0159evodovku: efektivn\u00ed p\u0159esm\u011brov\u00e1n\u00ed v\u00fdkonu o 90\u00b0 s dobr\u00fdm tepeln\u00fdm managementem.<\/p>\n<\/div>\n

\n

Rozmetadla kapalin\/kajdy<\/p>\n

Rozmetadla kejdy (vakuov\u00e9 n\u00e1dr\u017ee) pou\u017e\u00edvaj\u00ed v\u00fdvodov\u00fd h\u0159\u00eddel k pohonu bu\u010f vakuov\u00e9ho \u010derpadla pro pln\u011bn\u00ed n\u00e1dr\u017ee, nebo odst\u0159ediv\u00e9ho ob\u011b\u017en\u00e9ho kola pro distribuci. Tyto p\u0159evodovky pracuj\u00ed p\u0159i vy\u0161\u0161\u00edch ot\u00e1\u010dk\u00e1ch (v\u00fdstup 400\u20131 000 ot.\/min) s relativn\u011b plynul\u00fdm a plynul\u00fdm pln\u011bn\u00edm. Hlavn\u00ed v\u00fdzvou je integrita t\u011bsn\u011bn\u00ed \u2013 tekut\u00e1 kejda pronik\u00e1 mnohem l\u00e9pe ne\u017e pevn\u00fd hn\u016fj. Po\u017eadavky na p\u0159evodovku: vynikaj\u00edc\u00ed syst\u00e9m t\u011bsn\u011bn\u00ed, chemicky odoln\u00e9 materi\u00e1ly, st\u0159edn\u00ed to\u010div\u00fd moment s trval\u00fdm provozem.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

Postupy \u00fadr\u017eby p\u0159evodovek rozmetadel hnoje<\/h2>\n

Nep\u0159\u00e1telsk\u00e9 chemick\u00e9 prost\u0159ed\u00ed v oblasti sb\u011bru hnoje vy\u017eaduje agresivn\u011bj\u0161\u00ed pl\u00e1n \u00fadr\u017eby ne\u017e jin\u00e9 zem\u011bd\u011blsk\u00e9 aplikace. P\u0159evodovka, kter\u00e1 u rota\u010dn\u00ed seka\u010dky vydr\u017e\u00ed v\u00edce ne\u017e 2 000 hodin, m\u016f\u017ee u rozmetadla hnoje selhat po 500 hodin\u00e1ch, pokud je \u00fadr\u017eba prov\u00e1d\u011bna podle stejn\u00e9ho pl\u00e1nu.<\/p>\n

\n
1<\/span><\/p>\n
\n

Po ka\u017ed\u00e9m pou\u017eit\u00ed umyjte<\/p>\n

Po ka\u017ed\u00e9m rozmet\u00e1n\u00ed tlakov\u011b omyjte celou sk\u0159\u00ed\u0148 p\u0159evodovky, v\u00fdstupn\u00ed h\u0159\u00eddel a t\u011bsnic\u00ed plochy. Zbytky hnoje, kter\u00e9 zaschnou na p\u0159evodovce, zachycuj\u00ed vlhkost na povrchu a vytv\u00e1\u0159ej\u00ed koncentrovan\u00e9 korozn\u00ed bu\u0148ky. Oplachov\u00e1n\u00ed trv\u00e1 dv\u011b minuty a m\u016f\u017ee zdvojn\u00e1sobit \u017eivotnost n\u00e1t\u011bru sk\u0159\u00edn\u011b a t\u011bsn\u011bn\u00ed.<\/p>\n<\/div>\n<\/div>\n

2<\/span><\/p>\n
\n

V\u00fdm\u011bny oleje ve zkr\u00e1cen\u00fdch intervalech<\/p>\n

Vym\u011b\u0148ujte p\u0159evodov\u00fd olej ka\u017ed\u00fdch 100\u2013150 provozn\u00edch hodin, nikoli 200\u2013300 hodin, jak je typick\u00e9 pro standardn\u00ed zem\u011bd\u011blsk\u00e9 pr\u00e1ce. Koroze v plynn\u00e9 f\u00e1zi zp\u016fsoben\u00e1 H\u2082S a amoniakem m\u016f\u017ee \u010dasem proniknout i do neporu\u0161en\u00fdch t\u011bsn\u011bn\u00ed a kontaminovat p\u0159evodov\u00fd olej kysel\u00fdmi vedlej\u0161\u00edmi produkty, kter\u00e9 urychluj\u00ed vnit\u0159n\u00ed opot\u0159eben\u00ed. Zkr\u00e1cen\u00e9 intervaly v\u00fdm\u011bny oleje tyto kontaminanty z\u0159ed\u00ed d\u0159\u00edve, ne\u017e dos\u00e1hnou \u0161kodliv\u00fdch koncentrac\u00ed.<\/p>\n<\/div>\n<\/div>\n

3<\/span><\/p>\n
\n

Kontrola t\u011bsn\u011bn\u00ed a \u00fadr\u017eba tukov\u00e9 bari\u00e9ry<\/p>\n

Ka\u017ed\u00fdch 25\u201350 hodin provozu zkontrolujte oblast t\u011bsn\u011bn\u00ed v\u00fdstupn\u00edho h\u0159\u00eddele, zda se v n\u011bm nenahromad\u00ed zbytky hnoje nebo zda v n\u011bm neprosakuje olej. Pokud p\u0159evodovka pou\u017e\u00edv\u00e1 labyrintov\u00e9 t\u011bsn\u011bn\u00ed s maznic\u00ed, pumpujte skrz n\u011bj \u010derstv\u00e9 vodot\u011bsn\u00e9 mazivo, dokud z labyrintu neunikne \u010dist\u00e9 mazivo. T\u00edm se nahrad\u00ed kontaminovan\u00e1 mazac\u00ed bari\u00e9ra a zajist\u00ed se ochrana b\u0159itov\u00e9ho t\u011bsn\u011bn\u00ed. Mazac\u00ed bari\u00e9ra kontaminovan\u00e1 hnojem je hor\u0161\u00ed ne\u017e \u017e\u00e1dn\u00e1 bari\u00e9ra \u2013 abrazivn\u00ed \u010d\u00e1stice v hnoji p\u016fsob\u00ed jako lapovac\u00ed pasta proti b\u0159itu t\u011bsn\u011bn\u00ed.<\/p>\n<\/div>\n<\/div>\n

4<\/span><\/p>\n
\n

P\u0159\u00edprava na skladov\u00e1n\u00ed mimo sez\u00f3nu<\/p>\n

P\u0159ed zimn\u00edm uskladn\u011bn\u00edm rozmetadla nebo p\u0159ed del\u0161\u00edm odstaven\u00edm d\u016fkladn\u011b umyjte cel\u00fd stroj, vym\u011b\u0148te olej v p\u0159evodovce (korozivn\u00ed ne\u010distoty ve star\u00e9m oleji napadaj\u00ed b\u011bhem skladov\u00e1n\u00ed vnit\u0159n\u00ed povrchy), napl\u0148te p\u0159evodovku po horn\u00ed okraj kontroln\u00edho ok\u00e9nka (minimalizace vzduchov\u00e9ho prostoru sni\u017euje kondenzaci vlhkosti uvnit\u0159 sk\u0159\u00edn\u011b) a naneste antikorozn\u00ed sprej na exponovan\u00e9 povrchy h\u0159\u00eddel\u00ed a hlavy upev\u0148ovac\u00edch prvk\u016f. Na ja\u0159e p\u0159ed pou\u017eit\u00edm vypus\u0165te p\u0159epln\u011bn\u00fd olej na spr\u00e1vnou hladinu.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\"D\u00edlna<\/div>\n

<\/p>\n

Aspekty pohonu v\u00fdvodov\u00fdm h\u0159\u00eddelem pro rozmetadla hnoje<\/h2>\n

Pohon v\u00fdvodov\u00e9ho h\u0159\u00eddele spojuj\u00edc\u00ed traktor s p\u0159evodovkou rozmetadla hnoje je vystaven stejn\u00e9mu korozivn\u00edmu prost\u0159ed\u00ed jako samotn\u00e1 p\u0159evodovka. Kloubov\u00e9 spoje, teleskopick\u00e9 sekce a lo\u017eiska v\u00fdvodov\u00e9ho h\u0159\u00eddele jsou vystaveny st\u0159\u00edkaj\u00edc\u00ed vod\u011b. Standardn\u00ed pohony v\u00fdvodov\u00e9ho h\u0159\u00eddele ur\u010den\u00e9 pro n\u00e1\u0159ad\u00ed \u0161etrn\u00e9 k \u017eivotn\u00edmu prost\u0159ed\u00ed (seka\u010dky, lisy) maj\u00ed v\u00fdrazn\u011b zkr\u00e1cenou \u017eivotnost rozmetadla hnoje.<\/p>\n

Pohonn\u00e9 \u00fastroj\u00ed v\u00fdvodov\u00fdch h\u0159\u00eddel\u00ed pro svoz hnoje by m\u011blo pou\u017e\u00edvat univerz\u00e1ln\u00ed klouby s ut\u011bsn\u011bn\u00fdmi lo\u017eisky (sp\u00ed\u0161e ne\u017e mazac\u00ed otev\u0159en\u00e1 lo\u017eiska, kter\u00e1 umo\u017e\u0148uj\u00ed vniknut\u00ed ne\u010distot mezi mazac\u00edmi intervaly), teleskopick\u00e9 trubky z nerezov\u00e9 oceli nebo siln\u011b pozinkovan\u00e9 a nylonov\u00e9 nebo kompozitn\u00ed ochrann\u00e9 kryty, kter\u00e9 odol\u00e1vaj\u00ed korozi (ocelov\u00e9 bezpe\u010dnostn\u00ed kryty na standardn\u00edch v\u00fdvodov\u00fdch h\u0159\u00eddel\u00edch p\u0159i svozu hnoje rychle rezav\u00ed). St\u0159i\u017en\u00fd \u0161roub nebo kluzn\u00e1 spojka na hnac\u00edm \u00fastroj\u00ed \u2013 kter\u00e1 chr\u00e1n\u00ed p\u0159evodovku a traktor p\u0159ed p\u0159et\u00ed\u017een\u00edm \u2013 by m\u011bla b\u00fdt kontrolov\u00e1na p\u0159i ka\u017ed\u00e9 v\u00fdm\u011bn\u011b oleje, proto\u017ee koroze m\u016f\u017ee oslabit \u0161roub nebo zad\u0159\u00edt mechanismus spojky.<\/p>\n

<\/p>\n

\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
\n
\nJakou velikost p\u0159evodovky pot\u0159ebuji pro rozmetadlo hnoje?+<\/span><\/summary>\n
\n

Dimenzujte p\u0159evodovku na z\u00e1klad\u011b v\u00fdkonu v\u00fdvodov\u00e9ho h\u0159\u00eddele traktoru vyn\u00e1soben\u00e9ho servisn\u00edm faktorem 2,0\u20132,5 (nebo 3,0 p\u0159i rozmet\u00e1n\u00ed zmrzl\u00e9ho materi\u00e1lu). Nap\u0159\u00edklad traktor s v\u00fdvodov\u00fdm h\u0159\u00eddelem o v\u00fdkonu 75 HP a servisn\u00edm faktorem 2,5 pot\u0159ebuje p\u0159evodovku s jmenovit\u00fdm to\u010div\u00fdm momentem alespo\u0148 187 HP p\u0159i provozn\u00edch ot\u00e1\u010dk\u00e1ch. V\u00fdstupn\u00ed ot\u00e1\u010dky p\u0159evodovky by m\u011bly odpov\u00eddat ot\u00e1\u010dk\u00e1m rozmetadla nebo kotou\u010d\u016fm uveden\u00fdm v\u00fdrobcem rozmetadla.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nJak \u010dasto bych m\u011bl m\u011bnit olej v p\u0159evodovce rozmetadla hnoje?+<\/span><\/summary>\n
\n

Ka\u017ed\u00fdch 100\u2013150 provozn\u00edch hodin p\u0159i aktivn\u00edm provozu s hnojem \u2013 v\u00fdrazn\u011b krat\u0161\u00ed doba ne\u017e 200\u2013300 hodin typick\u00fdch pro p\u0159evodovky seka\u010dek nebo kultiv\u00e1tor\u016f. Korozivn\u00ed plyny produkovan\u00e9 hnojem kontaminuj\u00ed p\u0159evodov\u00fd olej i p\u0159es neporu\u0161en\u00e1 t\u011bsn\u011bn\u00ed a abrazivn\u00ed zrna v prost\u0159ed\u00ed s hnojem urychluj\u00ed opot\u0159eben\u00ed. Na konci sez\u00f3ny rozmet\u00e1n\u00ed vym\u011b\u0148te olej p\u0159ed uskladn\u011bn\u00edm, abyste zabr\u00e1nili napaden\u00ed vnit\u0159n\u00edch povrch\u016f kysel\u00fdm olejem b\u011bhem mimosez\u00f3ny.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nVyplat\u00ed se rozmetadlo s p\u0159evodov\u00fdm pohonem za vy\u0161\u0161\u00ed cenu ne\u017e rozmetadlo s \u0159et\u011bzov\u00fdm pohonem?+<\/span><\/summary>\n
\n

Pro provozy s rozmet\u00e1n\u00edm v\u00edce ne\u017e 200 hodin ro\u010dn\u011b je odpov\u011b\u010f t\u00e9m\u011b\u0159 v\u017edy ano. Uzav\u0159en\u00e1 p\u0159evodovka eliminuje n\u00e1klady na korozi, nap\u00edn\u00e1n\u00ed a v\u00fdm\u011bnu \u0159et\u011bzu, kter\u00e9 se p\u0159i provozu s hnojem rychle hromad\u00ed. Syst\u00e9m s \u0159et\u011bzov\u00fdm pohonem m\u016f\u017ee vy\u017eadovat 3\u20135 v\u00fdm\u011bn \u0159et\u011bzu a ozuben\u00e9ho kola b\u011bhem 10 let, p\u0159i\u010dem\u017e ka\u017ed\u00e1 v\u00fdm\u011bna vy\u017eaduje d\u00edly a pr\u00e1ci. Syst\u00e9m s p\u0159evodov\u00fdm pohonem vy\u017eaduje pouze v\u00fdm\u011bnu oleje. Bodu zlomu obvykle dos\u00e1hnete b\u011bhem 2\u20134 let v z\u00e1vislosti na intenzit\u011b pou\u017e\u00edv\u00e1n\u00ed.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nMohu pou\u017e\u00edt stejnou p\u0159evodovku pro rozmetadla pevn\u00fdch i tekut\u00fdch hnojiv?+<\/span><\/summary>\n
\n

Obecn\u011b ne. Rozmetadla pevn\u00e9ho hnoje pot\u0159ebuj\u00ed vysok\u00fd to\u010div\u00fd moment, n\u00edzk\u00e9 ot\u00e1\u010dky (120\u2013250 ot.\/min.) s vysokou r\u00e1zovou silou pro zmrazen\u00fd materi\u00e1l. Rozmetadla tekut\u00e9 hnoje pot\u0159ebuj\u00ed st\u0159edn\u00ed to\u010div\u00fd moment, vysok\u00e9 ot\u00e1\u010dky (400\u20131 000 ot.\/min.) s vynikaj\u00edc\u00ed integritou t\u011bsn\u011bn\u00ed, aby se zabr\u00e1nilo pronik\u00e1n\u00ed kapaliny. P\u0159evodov\u00e9 pom\u011bry, v\u00fdstupn\u00ed ot\u00e1\u010dky a specifikace t\u011bsn\u011bn\u00ed se z\u00e1sadn\u011b li\u0161\u00ed. Pro ka\u017edou aplikaci pou\u017eijte p\u0159evodovku specifikovanou v\u00fdrobcem rozmetadla.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nJak\u00fd t\u011bsnic\u00ed materi\u00e1l je nejlep\u0161\u00ed pro p\u0159evodovky rozmetadel hnoje?+<\/span><\/summary>\n
\n

T\u011bsn\u011bn\u00ed z FKM (fluoroelastomeru) poskytuj\u00ed nejlep\u0161\u00ed chemickou odolnost v\u016f\u010di organick\u00fdm kyselin\u00e1m, amoniaku a sirovod\u00edku p\u0159\u00edtomn\u00fdm v prost\u0159ed\u00ed s hnojem. HNBR (hydrogenovan\u00fd nitril) je dobrou druhou volbou za ni\u017e\u0161\u00ed cenu. Standardn\u00edm t\u011bsn\u011bn\u00edm z NBR (nitrilu) je t\u0159eba se vyhnout \u2013 v chemick\u00e9m prost\u0159ed\u00ed s hnojem se rychle degraduj\u00ed, co\u017e vede k \u00fanik\u016fm oleje a vniknut\u00ed kontaminant\u016f b\u011bhem jedn\u00e9 sez\u00f3ny.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nJak mohu chr\u00e1nit sk\u0159\u00ed\u0148 p\u0159evodovky p\u0159ed koroz\u00ed?+<\/span><\/summary>\n
\n

Vyberte p\u0159evodovku s litinov\u00fdm pouzdrem a pr\u016fmyslov\u00fdm pr\u00e1\u0161kov\u00fdm lakov\u00e1n\u00edm. Po ka\u017ed\u00e9m pou\u017eit\u00ed omyjte pouzdro, abyste odstranili zbytky hnoje. Ka\u017edoro\u010dn\u011b kontrolujte n\u00e1t\u011br, zda se na n\u011bm nevyskytuj\u00ed od\u0161t\u011bpky nebo \u0161kr\u00e1bance, a po\u0161kozen\u00e1 m\u00edsta o\u0161et\u0159ete zinkem za studena ve spreji nebo epoxidovou barvou. Pokud si pod n\u00e1t\u011brem v\u0161imnete rzi, o\u010dist\u011bte m\u00edsto dr\u00e1t\u011bn\u00fdm kart\u00e1\u010dem, o\u0161et\u0159ete odrezova\u010dem a naneste nov\u00fd n\u00e1t\u011br. V extr\u00e9mn\u00edch podm\u00ednk\u00e1ch zva\u017ete nanesen\u00ed dodate\u010dn\u00e9ho epoxidov\u00e9ho bari\u00e9rov\u00e9ho n\u00e1t\u011bru na povrch z v\u00fdroby.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

<\/p>\n

\n

Korozivzdorn\u00e9 p\u0159evodovky PTO pro hnojivo<\/h2>\n

V\u011b\u010dn\u00e1 s\u00edla<\/a> dod\u00e1v\u00e1 vysoce odoln\u00e9 p\u0159evodovky v\u00fdvodov\u00fdch h\u0159\u00eddel\u00ed s kalen\u00fdmi ozuben\u00fdmi koly, t\u011bsn\u011bn\u00edmi FKM a korozivzdorn\u00fdmi pouzdry \u2013 ur\u010den\u00e9 pro n\u00e1ro\u010dn\u00e9 podm\u00ednky rozmet\u00e1n\u00ed hnoje.<\/p>\n

Z\u00edskejte specifikace p\u0159evodovky rozmetadla hnoje<\/a><\/p>\n<\/div>\n

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

Gearbox for Manure Spreaders: Engineering for Harsh Duty The pH of fresh dairy manure ranges from 6.8 to 7.4. Composted poultry litter drops to 5.5. Liquid swine slurry contains hydrogen sulfide concentrations that accelerate steel corrosion at ten times the rate of atmospheric exposure. These are the chemical conditions in which a manure spreader gearbox […]<\/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":[4042],"tags":[],"class_list":["post-1242","post","type-post","status-publish","format-standard","hentry","category-agricultural-gearbox"],"_links":{"self":[{"href":"https:\/\/pto-gearbox.net\/cs\/wp-json\/wp\/v2\/posts\/1242","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pto-gearbox.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pto-gearbox.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pto-gearbox.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pto-gearbox.net\/cs\/wp-json\/wp\/v2\/comments?post=1242"}],"version-history":[{"count":1,"href":"https:\/\/pto-gearbox.net\/cs\/wp-json\/wp\/v2\/posts\/1242\/revisions"}],"predecessor-version":[{"id":1243,"href":"https:\/\/pto-gearbox.net\/cs\/wp-json\/wp\/v2\/posts\/1242\/revisions\/1243"}],"wp:attachment":[{"href":"https:\/\/pto-gearbox.net\/cs\/wp-json\/wp\/v2\/media?parent=1242"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pto-gearbox.net\/cs\/wp-json\/wp\/v2\/categories?post=1242"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pto-gearbox.net\/cs\/wp-json\/wp\/v2\/tags?post=1242"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}