{"id":1170,"date":"2026-06-25T05:48:58","date_gmt":"2026-06-25T05:48:58","guid":{"rendered":"https:\/\/planetary-gearboxes.com\/?p=1170"},"modified":"2026-06-25T05:48:58","modified_gmt":"2026-06-25T05:48:58","slug":"wheel-drive-planetary-gearbox-for-sugar-cane-harvesters","status":"publish","type":"post","link":"https:\/\/planetary-gearboxes.com\/cs\/wheel-drive-planetary-gearbox-for-sugar-cane-harvesters\/","title":{"rendered":"Planetov\u00e1 p\u0159evodovka s pohonem kol pro skl\u00edze\u010de cukrov\u00e9 t\u0159tiny"},"content":{"rendered":"
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\"Planetov\u00e1<\/p>\n
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Korea Ever-Power \u00b7 Aplika\u010dn\u00ed in\u017een\u00fdrstv\u00ed \u00b7 Skl\u00edze\u010de cukrov\u00e9 t\u0159tiny<\/p>\n

Planetov\u00e1 p\u0159evodovka s pohonem kol pro skl\u00edze\u010de cukrov\u00e9 t\u0159tiny<\/h1>\n

\u017d\u00e1dn\u00fd jin\u00fd zem\u011bd\u011blsk\u00fd pohon kol nepracuje v tak extr\u00e9mn\u00edch podm\u00ednk\u00e1ch tak dlouho. Skl\u00edze\u010d cukrov\u00e9 t\u0159tiny b\u011b\u017e\u00ed 3 000 a\u017e 5 000 hodin ro\u010dn\u011b v tropick\u00e9m vedru o teplot\u011b 35 a\u017e 45 stup\u0148\u016f Celsia, na nasycen\u00e9m j\u00edlu, kter\u00fd by paralyzoval jak\u00fdkoli jin\u00fd stroj \u2013 a to po nep\u0159etr\u017eitou drt\u00edc\u00ed sez\u00f3nu 120 a\u017e 200 dn\u00ed bez pl\u00e1novan\u00e9 p\u0159est\u00e1vky na gener\u00e1ln\u00ed opravu.<\/p>\n

Proch\u00e1zet planetov\u00e9 p\u0159evodovky pohonu kol \u2192<\/a><\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Nejvy\u0161\u0161\u00ed vyu\u017eit\u00ed zem\u011bd\u011blsk\u00e9ho pohonu kol na sv\u011bt\u011b<\/h2>\n

Skl\u00edze\u010d jablek pracuje 200 hodin ro\u010dn\u011b. Skl\u00edze\u010d \u0159eza\u010dek pracuje 500 hodin. Ml\u00e1ti\u010dka pracuje 400 a\u017e 800 hodin. Skl\u00edze\u010d cukrov\u00e9 t\u0159tiny v Braz\u00edlii pracuje 3 000 a\u017e 5 000 hodin ro\u010dn\u011b \u2013 co\u017e z n\u011bj \u010din\u00ed nejvyu\u017e\u00edvan\u011bj\u0161\u00ed samoj\u00edzdn\u00fd zem\u011bd\u011blsk\u00fd stroj na sv\u011bt\u011b. Sez\u00f3na drcen\u00ed v hlavn\u00edch produk\u010dn\u00edch regionech (Braz\u00edlie, Austr\u00e1lie, Indie, Thajsko) prob\u00edh\u00e1 nep\u0159etr\u017eit\u011b 120 a\u017e 200 dn\u00ed, p\u0159i\u010dem\u017e skl\u00edze\u010d pracuje 16 a\u017e 22 hodin denn\u011b, 6 a\u017e 7 dn\u00ed v t\u00fddnu.<\/p>\n

\n\n\n\n\n\n\n\n
Kraj<\/th>\nSez\u00f3na<\/th>\nHodiny\/rok<\/th>\nOkoln\u00ed<\/th>\nP\u016fda<\/th>\n<\/tr>\n<\/thead>\n
Braz\u00edlie (st\u0159ed-jih)<\/td>\nduben\u2013listopad<\/td>\n3 500\u20135 000<\/td>\n28\u201340 \u00b0C<\/td>\n\u010cerven\u00fd laterit \/ j\u00edl<\/td>\n<\/tr>\n
Austr\u00e1lie (Queensland)<\/td>\n\u010derven\u2013prosinec<\/td>\n2 000\u20133 500<\/td>\n25\u201338 \u00b0C<\/td>\n\u010cern\u00e1 sope\u010dn\u00e1 \/ aluvi\u00e1ln\u00ed<\/td>\n<\/tr>\n
Indie \/ Thajsko<\/td>\nlistopad\u2013duben<\/td>\n2 500\u20134 000<\/td>\n30\u201345 \u00b0C<\/td>\nAluvi\u00e1ln\u00ed \/ p\u00eds\u010dit\u00fd j\u00edl<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Tato \u00farove\u0148 vyu\u017eit\u00ed transformuje planetov\u00e1 p\u0159evodovka pohonu kol<\/a> in\u017een\u00fdrsk\u00e1 v\u00fdzva. Sou\u010d\u00e1st, kter\u00e1 u skl\u00edzec\u00ed \u0159eza\u010dky s provozem 500 hodin ro\u010dn\u011b vydr\u017e\u00ed 6 000 hodin, poskytuje 12 let slu\u017eby. Stejn\u00e1 sou\u010d\u00e1st u skl\u00edze\u010de cukrov\u00e9 t\u0159tiny s provozem 4 000 hodin ro\u010dn\u011b vydr\u017e\u00ed pouze 1,5 roku \u2013 vy\u017eaduje v\u00fdm\u011bnu b\u011bhem sez\u00f3ny drcen\u00ed, kdy ka\u017ed\u00e1 hodina prostoje stroje stoj\u00ed ml\u00fdn 500 a\u017e 2 000 USD ve ztr\u00e1t\u011b propustnosti t\u0159tiny. Konstruk\u010dn\u00ed \u017eivotnost pohonu kola skl\u00edze\u010de cukrov\u00e9 t\u0159tiny mus\u00ed b\u00fdt 8 000 a\u017e 12 000 hodin \u2013 co\u017e odpov\u00edd\u00e1 2 a\u017e 3 pln\u00fdm sez\u00f3n\u00e1m drcen\u00ed \u2013 aby se interval v\u00fdm\u011bny sladil s mezisez\u00f3nn\u00edm intervalem gener\u00e1ln\u00ed opravy.<\/p>\n

Nep\u0159etr\u017eit\u00fd provoz tak\u00e9 eliminuje sez\u00f3nn\u00ed degradaci skladovac\u00edch podm\u00ednek, kter\u00e1 ovliv\u0148uje skl\u00edze\u010de jablek a hrozn\u016f \u2013 ale p\u0159in\u00e1\u0161\u00ed jin\u00fd probl\u00e9m: pohon kol se nikdy neochlazuje. U skl\u00edze\u010de v m\u00edrn\u00e9m podneb\u00ed umo\u017e\u0148uje no\u010dn\u00ed vypnut\u00ed n\u00e1vrat teploty oleje k okoln\u00ed teplot\u011b a tepeln\u00fd cyklus kovov\u00fdch sou\u010d\u00e1st\u00ed zp\u011bt do rovnov\u00e1hy. U skl\u00edze\u010de cukrov\u00e9 t\u0159tiny, kter\u00fd b\u011b\u017e\u00ed 20 hodin denn\u011b p\u0159i okoln\u00ed teplot\u011b 38 \u00b0C, se teplota oleje stabilizuje na 95 a\u017e 120 \u00b0C a z\u016fst\u00e1v\u00e1 na t\u00e9to hodnot\u011b po celou 180denn\u00ed sez\u00f3nu. Kumulativn\u00ed tepeln\u00e1 expozice v jedn\u00e9 sez\u00f3n\u011b p\u0159ekra\u010duje ro\u010dn\u00ed tepelnou expozici skl\u00edze\u010de v m\u00edrn\u00e9m podneb\u00ed 10 a\u017e 15kr\u00e1t.<\/p>\n

Ekonomick\u00fd tlak b\u011bhem sez\u00f3ny lisov\u00e1n\u00ed je intenzivn\u00ed. Cukrovary funguj\u00ed b\u011bhem sez\u00f3ny 24 hodin denn\u011b a jejich vstupn\u00ed surovina je zcela z\u00e1visl\u00e1 na vozov\u00e9m parku skl\u00edze\u010d\u016f, kte\u0159\u00ed dod\u00e1vaj\u00ed nep\u0159etr\u017eit\u00fd p\u0159\u00edsun \u010derstv\u011b na\u0159ezan\u00e9 cukrov\u00e9 t\u0159tiny. T\u0159tina, kter\u00e1 je na\u0159ez\u00e1na, ale nerozdrcena do 24 a\u017e 48 hodin, za\u010d\u00edn\u00e1 ztr\u00e1cet obsah cukru v d\u016fsledku fermentace \u2013 ztr\u00e1c\u00ed 0,5 a\u017e 1,51 TP3T zp\u011btn\u011b z\u00edskateln\u00e9ho cukru za den zpo\u017ed\u011bn\u00ed. Jeden skl\u00edze\u010d, kter\u00fd se zastav\u00ed kv\u016fli oprav\u011b pohonu kol, ztr\u00e1c\u00ed 50 a\u017e 100 tun cukrov\u00e9 t\u0159tiny za hodinu \u2013 a ml\u00fdn ztr\u00e1c\u00ed 500 a\u017e 2 000 USD za hodinu na sn\u00ed\u017een\u00e9m v\u00fdt\u011b\u017eku cukru. Pro velk\u00fd brazilsk\u00fd ml\u00fdn provozuj\u00edc\u00ed 30 a\u017e 50 skl\u00edze\u010d\u016f je spolehlivost pohonu kol kritickou specifikac\u00ed dodavatelsk\u00e9ho \u0159et\u011bzce, kter\u00e1 p\u0159\u00edmo ovliv\u0148uje ro\u010dn\u00ed produkci cukru a tr\u017eby.<\/p>\n<\/section>\n

\"Pohon<\/p>\n

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Tropick\u00e9 teplo \u2013 teplota oleje jako dominantn\u00ed konstruk\u010dn\u00ed omezen\u00ed<\/h2>\n

P\u0159i sklizni v m\u00edrn\u00e9m podneb\u00ed (jablka, hrozny, p\u00edcniny, brambory) se teplota okol\u00ed b\u011bhem sklizn\u011b obvykle pohybuje v rozmez\u00ed 5 a\u017e 25 \u00b0C \u2013 a teplota oleje v p\u0159evodovce se stabilizuje na 50 a\u017e 80 \u00b0C. P\u0159i sklizni cukrov\u00e9 t\u0159tiny v tropick\u00e9m podneb\u00ed se teplota okol\u00ed b\u011bhem sklizn\u011b pohybuje v rozmez\u00ed 30 a\u017e 45 \u00b0C \u2013 a teplota oleje v p\u0159evodovce se stabilizuje na 95 a\u017e 130 \u00b0C. Toto zv\u00fd\u0161en\u00ed teploty o 40 a\u017e 50 \u00b0C m\u011bn\u00ed ka\u017ed\u00e9 rozhodnut\u00ed o materi\u00e1lu a maz\u00e1n\u00ed ve specifikaci pohonu kol.<\/p>\n

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Miner\u00e1ln\u00ed p\u0159evodov\u00fd olej oxiduje rychlost\u00ed, kter\u00e1 se zdvojn\u00e1sobuje na ka\u017ed\u00fdch 10 \u00b0C n\u00e1r\u016fstu teploty nad 70 \u00b0C. P\u0159i 80 \u00b0C (skl\u00edze\u010d v m\u00edrn\u00e9m p\u00e1smu) je \u017eivotnost oleje p\u0159ibli\u017en\u011b 2 000 hodin. P\u0159i 110 \u00b0C (skl\u00edze\u010d v tropick\u00e9m p\u00e1smu) je rychlost oxidace 8kr\u00e1t vy\u0161\u0161\u00ed \u2013 co\u017e sni\u017euje \u017eivotnost oleje na p\u0159ibli\u017en\u011b 250 hodin. V\u00fdm\u011bna miner\u00e1ln\u00edho oleje ka\u017ed\u00fdch 250 hodin b\u011bhem sez\u00f3ny 4 000 hodin znamen\u00e1 16 v\u00fdm\u011bn oleje ro\u010dn\u011b \u2013 co\u017e je nepraktick\u00e1 z\u00e1t\u011b\u017e z hlediska \u00fadr\u017eby. Syntetick\u00fd olej PAO, kter\u00fd p\u0159i stejn\u00e9 teplot\u011b oxiduje \u010dtvrtinovou rychlost\u00ed ne\u017e miner\u00e1ln\u00ed olej, prodlu\u017euje interval na p\u0159ibli\u017en\u011b 1 000 hodin \u2013 4 v\u00fdm\u011bny za sez\u00f3nu, v souladu s pl\u00e1novan\u00fdmi intervaly \u00fadr\u017eby.<\/p>\n

Viskozita oleje se tak\u00e9 sni\u017euje s teplotou. Miner\u00e1ln\u00ed olej ISO VG 320, kter\u00fd poskytuje p\u0159\u00edjemnou viskozitu 12 cSt p\u0159i 80 \u00b0C, se p\u0159i 120 \u00b0C zten\u010duje na 4 a\u017e 5 cSt \u2013 pod minim\u00e1ln\u00edch 6 cSt pot\u0159ebn\u00fdch pro tvorbu hydrodynamick\u00e9ho filmu mezi ozuben\u00fdm kolem a zuby. P\u0159i t\u00e9to viskozit\u011b pracuje z\u00e1b\u011br ozuben\u00e9ho kola v re\u017eimu sm\u00ed\u0161en\u00e9ho nebo mezn\u00edho maz\u00e1n\u00ed \u2013 kde kontakt kovu s kovem zp\u016fsobuje zrychlen\u00e9 opot\u0159eben\u00ed a mikro-pitting 5 a\u017e 10kr\u00e1t rychleji ne\u017e u podm\u00ednek pln\u00e9ho filmu. Syntetick\u00e9 oleje s vy\u0161\u0161\u00edm indexem viskozity (VI 160 a\u017e 180 oproti VI 95 a\u017e 100 u miner\u00e1ln\u00edho oleje) si udr\u017euj\u00ed dostate\u010dnou viskozitu i p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch \u2013 co\u017e je z\u00e1sadn\u00ed v\u00fdhoda, kter\u00e1 ospravedl\u0148uje 3 a\u017e 5kr\u00e1t vy\u0161\u0161\u00ed cenu oleje.<\/p>\n

Materi\u00e1ly t\u011bsn\u011bn\u00ed mus\u00ed tak\u00e9 odol\u00e1vat trval\u00fdm tropick\u00fdm teplot\u00e1m. Standardn\u00ed t\u011bsn\u011bn\u00ed z NBR (nitrilu) maj\u00ed maxim\u00e1ln\u00ed trvalou provozn\u00ed teplotu 100 \u00b0C \u2013 kter\u00e1 je p\u0159i b\u011b\u017en\u00e9m provozu skl\u00edze\u010d\u016f cukrov\u00e9 t\u0159tiny p\u0159ekro\u010dena. T\u011bsn\u011bn\u00ed z FKM (Vitonu) odol\u00e1vaj\u00ed trvale 200 \u00b0C \u2013 co\u017e poskytuje pohodlnou rezervu i p\u0159i nejvy\u0161\u0161\u00edch tropick\u00fdch provozn\u00edch teplot\u00e1ch. T\u011bsn\u011bn\u00ed z PTFE nab\u00edzej\u00ed je\u0161t\u011b vy\u0161\u0161\u00ed teplotn\u00ed odolnost (250 \u00b0C) s ni\u017e\u0161\u00edm t\u0159en\u00edm, ale za vy\u0161\u0161\u00ed cenu a s v\u011bt\u0161\u00ed citlivost\u00ed na kvalitu povrchov\u00e9 \u00fapravy h\u0159\u00eddele.<\/p>\n

Plastick\u00e9 mazivo ve v\u00fdstupn\u00edch lo\u017eisk\u00e1ch pohonu kol \u010del\u00ed stejn\u00e9 tepeln\u00e9 v\u00fdzv\u011b. Standardn\u00ed lithium-komplexn\u00ed mazivo m\u00e1 maxim\u00e1ln\u00ed trvalou teplotu 130 \u00b0C \u2013 co\u017e je dosta\u010duj\u00edc\u00ed pro v\u011bt\u0161inu provozn\u00edch podm\u00ednek, ale p\u0159i zablokov\u00e1n\u00ed je to margin\u00e1ln\u00ed. Polymo\u010dovinov\u00e9 nebo perfluoroetherov\u00e9 (PFPE) mazivo prodlu\u017euje trvalou teplotu na 180 a\u017e 260 \u00b0C \u2013 poskytuje tak tepelnou bezpe\u010dnostn\u00ed rezervu, kter\u00e1 zabra\u0148uje selh\u00e1n\u00ed plastick\u00e9ho maziva v nejhor\u0161\u00edch p\u0159\u00edpadech zablokov\u00e1n\u00ed a momentu v d\u016fsledku zastaven\u00ed. V\u00fdb\u011br plastick\u00e9ho maziva je obzvl\u00e1\u0161t\u011b d\u016fle\u017eit\u00fd, proto\u017ee v\u00fdstupn\u00ed lo\u017eiska jsou obvykle maz\u00e1na plastick\u00fdm mazivem (nikoli olejovou l\u00e1zn\u00ed) \u2013 to znamen\u00e1, \u017ee se zcela spol\u00e9haj\u00ed na tepelnou stabilitu maziva b\u011bhem vysokoteplotn\u00edch v\u00fdkyv\u016f, bez cirkulace oleje, kter\u00e1 by odv\u00e1d\u011bla teplo z kontaktn\u00ed z\u00f3ny.<\/p>\n<\/div>\n

\"P\u0159evodovka<\/div>\n<\/div>\n<\/section>\n
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Balen\u00ed t\u0159tinov\u00e9ho odpadu \u2013 ni\u010ditel tule\u0148\u016f unik\u00e1tn\u00ed pro sklize\u0148 cukrov\u00e9 t\u0159tiny<\/h2>\n

B\u011bhem sklizn\u011b zelen\u00e9 t\u0159tiny (kde pole nen\u00ed p\u0159edem sp\u00e1leno) stroj zpracov\u00e1v\u00e1 celou t\u0159tinu v\u010detn\u011b list\u016f, nat\u011b a ko\u0159enov\u00e9 podlo\u017eky. Vl\u00e1knit\u00e9 listy t\u0159tiny (odpad) jsou odd\u011blov\u00e1ny od polen pomoc\u00ed ods\u00e1vac\u00edch ventil\u00e1tor\u016f a ukl\u00e1d\u00e1ny na pole za strojem. V\u00fdznamn\u00e1 \u010d\u00e1st odpadu se v\u0161ak ov\u00edj\u00ed kolem v\u0161ech rotuj\u00edc\u00edch sou\u010d\u00e1st\u00ed, kter\u00fdch se dot\u00fdkaj\u00ed \u2013 v\u010detn\u011b v\u00fdstupn\u00edho h\u0159\u00eddele pohonu kola, n\u00e1boje pneumatiky a pouzdra n\u00e1pravy.<\/p>\n

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Vl\u00e1kno list\u016f cukrov\u00e9 t\u0159tiny je pozoruhodn\u011b pevn\u00e9 \u2013 jednotliv\u00e9 listy maj\u00ed pevnost v tahu 150 a\u017e 300 MPa a d\u00e9lku vl\u00e1kna 0,5 a\u017e 2,0 metru. Kdy\u017e se tato vl\u00e1kna omot\u00e1vaj\u00ed kolem v\u00fdstupn\u00edho h\u0159\u00eddele pohonu kola, vytv\u00e1\u0159ej\u00ed postupn\u011b se utahuj\u00edc\u00ed \u0161\u0148\u016fru, kter\u00e1 se pohybuje sm\u011brem k t\u011bsn\u011bn\u00ed h\u0159\u00eddele. \u0160\u0148\u016fra tla\u010d\u00ed na t\u011bsnic\u00ed b\u0159it \u2013 vychyluje ho dovnit\u0159 a vytv\u00e1\u0159\u00ed mezeru, kterou se do p\u0159evodovky m\u016f\u017ee dostat bl\u00e1to a t\u0159tinov\u00e1 \u0161\u0165\u00e1va. B\u011bhem 50 a\u017e 100 provozn\u00edch hodin nekontrolovan\u00e9ho ov\u00edjen\u00ed m\u016f\u017ee vl\u00e1knit\u00e1 \u0161\u0148\u016fra zcela pro\u0159\u00edznout standardn\u00ed b\u0159itov\u00e9 t\u011bsn\u011bn\u00ed \u2013 a otev\u0159\u00edt tak p\u0159evodovku prost\u0159ed\u00ed tropick\u00e9ho bl\u00e1ta a t\u0159tinov\u00e9 \u0161\u0165\u00e1vy.<\/p>\n

Mezi strategie zm\u00edrn\u011bn\u00ed negativn\u00edho vlivu pat\u0159\u00ed: (1) ochrann\u00e9 kryty proti ne\u010distot\u00e1m \u2013 fyzick\u00e9 bari\u00e9ry (ocelov\u00e9 nebo plastov\u00e9 \u0161t\u00edty), kter\u00e9 br\u00e1n\u00ed vl\u00e1kn\u016fm v dosa\u017een\u00ed z\u00f3ny h\u0159\u00eddelov\u00e9ho t\u011bsn\u011bn\u00ed; (2) odst\u0159ikovac\u00ed kotou\u010de namontovan\u00e9 na h\u0159\u00eddeli \u2013 rotuj\u00edc\u00ed kotou\u010de, kter\u00e9 vyhazuj\u00ed vl\u00e1kna ven, ne\u017e se mohou navinout; (3) kalen\u00e9 h\u0159\u00eddelov\u00e9 obj\u00edmky, kter\u00e9 odol\u00e1vaj\u00ed abrazivn\u00edmu \u0159ezn\u00e9mu \u00fa\u010dinku vl\u00e1knit\u00e9ho kordu; a (4) \u010deln\u00ed t\u011bsn\u011bn\u00ed (dvouku\u017eelov\u00e9 nebo mechanick\u00e9), kter\u00e1 nejsou n\u00e1chyln\u00e1 k bo\u010dn\u00edmu vych\u00fdlen\u00ed, kter\u00e9 vl\u00e1knit\u00e9 kordy zp\u016fsobuj\u00ed na b\u0159itov\u00fdch t\u011bsn\u011bn\u00edch. Nej\u00fa\u010dinn\u011bj\u0161\u00edm p\u0159\u00edstupem je kombinace ochrann\u00e9ho krytu proti ne\u010distot\u00e1m a \u010deln\u00edho t\u011bsn\u011bn\u00ed \u2013 ochrann\u00fd kryt sni\u017euje zat\u00ed\u017een\u00ed vl\u00e1kny a \u010deln\u00ed t\u011bsn\u011bn\u00ed odol\u00e1v\u00e1 jak\u00fdmkoli vl\u00e1kn\u016fm, kter\u00e1 kryt obch\u00e1zej\u00ed.<\/p>\n

P\u0159echod od sklizn\u011b p\u00e1len\u00e9 t\u0159tiny k sklizni zelen\u00e9 t\u0159tiny \u2013 vyvolan\u00fd environment\u00e1ln\u00edmi p\u0159edpisy v Braz\u00edlii (Lei da Queimada), Austr\u00e1lii a dal\u0161\u00edch v\u00fdznamn\u00fdch producentech \u2013 zintenzivnil probl\u00e9m s balen\u00edm odpadu do obal\u016f. Sklize\u0148 p\u00e1len\u00e9 t\u0159tiny eliminuje 80 a\u017e 901 tun listov\u00e9ho odpadu p\u0159edt\u00edm, ne\u017e stroj vstoup\u00ed na pole, co\u017e dramaticky sni\u017euje zat\u00ed\u017een\u00ed vl\u00e1ken na t\u011bsn\u011bn\u00ed pohonu kol. Sklize\u0148 zelen\u00e9 t\u0159tiny zpracov\u00e1v\u00e1 celou rostlinu a produkuje 10 a\u017e 15 tun odpadu na hektar, kter\u00e9 mus\u00ed stroj zvl\u00e1dnout. Specifikace t\u011bsn\u011bn\u00ed pohonu kol a krytu odpadu, kter\u00e1 byla dosta\u010duj\u00edc\u00ed pro sklize\u0148 p\u00e1len\u00e9 t\u0159tiny, je pro provoz na zelen\u00e9 t\u0159tin\u011b nedostate\u010dn\u00e1 \u2013 a mnoho star\u0161\u00edch skl\u00edze\u010d\u016f, kter\u00e9 byly p\u0159evedeny z provozu p\u00e1len\u00e9 t\u0159tiny na zelen\u00fd provoz, se pot\u00fdkalo s p\u0159ed\u010dasn\u00fdm selh\u00e1n\u00edm t\u011bsn\u011bn\u00ed pohonu kol, dokud nebyl syst\u00e9m t\u011bsn\u011bn\u00ed upgradov\u00e1n na konfiguraci s \u010deln\u00edm t\u011bsn\u011bn\u00edm se zes\u00edlen\u00fdmi kryty odpadu.<\/p>\n<\/div>\n

\"Pohon<\/div>\n<\/div>\n<\/section>\n

\"Testovac\u00ed<\/p>\n

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T\u0159i poruchov\u00e9 re\u017eimy specifick\u00e9 pro pohony kol skl\u00edze\u010d\u016f cukrov\u00e9 t\u0159tiny<\/h2>\n
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1<\/div>\n
Zrychlen\u00e1 degradace oleje v d\u016fsledku trval\u00fdch tropick\u00fdch provozn\u00edch teplot<\/div>\n<\/div>\n

P\u0159i trval\u00e9 teplot\u011b oleje 110 a\u017e 130 \u00b0C \u2013 udr\u017eovan\u00e9 po dobu 16 a\u017e 20 hodin denn\u011b b\u011bhem 180denn\u00ed sez\u00f3ny \u2013 se miner\u00e1ln\u00ed p\u0159evodov\u00fd olej degraduje b\u011bhem 200 a\u017e 300 hodin. Produkty degradace (kysel\u00e9 slou\u010deniny, laky, kaly) napadaj\u00ed povrchy lo\u017eisek, ucp\u00e1vaj\u00ed olejov\u00e9 kan\u00e1ly a sni\u017euj\u00ed pevnost olejov\u00e9ho filmu. Pokud se olej nevym\u011bn\u00ed p\u0159ed dosa\u017een\u00edm prahov\u00e9 hodnoty degradace, p\u0159evodovky a lo\u017eiska pracuj\u00ed s postupn\u011b se zhor\u0161uj\u00edc\u00edm mazivem, kter\u00e9 urychluje opot\u0159eben\u00ed 3 a\u017e 8kr\u00e1t rychleji ne\u017e \u010dist\u00fd olej. Jedna vynechan\u00e1 v\u00fdm\u011bna oleje p\u0159i tropick\u00fdch teplot\u00e1ch m\u016f\u017ee zkr\u00e1tit \u017eivotnost p\u0159evodovky a lo\u017eisek o 30 a\u017e 501 TP3T.<\/p>\n

Prevence: Syntetick\u00fd p\u0159evodov\u00fd olej PAO (ISO VG 320, VI 160+) ur\u010den\u00fd pro nep\u0159etr\u017eit\u00fd provoz p\u0159i teplot\u00e1ch 130 \u00b0C. V\u00fdm\u011bna oleje v intervalech 1 000 hodin (syntetick\u00fd olej) nebo 250 hodin (miner\u00e1ln\u00ed olej). Anal\u00fdza oleje ka\u017ed\u00fdch 500 hodin pro ov\u011b\u0159en\u00ed \u010d\u00edsla kyselosti a viskozity.<\/div>\n<\/div>\n
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2<\/div>\n
Omot\u00e1n\u00ed vl\u00e1kny z t\u0159tinov\u00e9ho odpadu pro\u0159ez\u00e1v\u00e1 h\u0159\u00eddelov\u00e9 t\u011bsn\u011bn\u00ed<\/div>\n<\/div>\n

Vl\u00e1kna list\u016f cukrov\u00e9 t\u0159tiny (pevnost v tahu 150 a\u017e 300 MPa, d\u00e9lka 0,5 a\u017e 2,0 m) se ov\u00edjej\u00ed kolem v\u00fdstupn\u00edho h\u0159\u00eddele a tvo\u0159\u00ed postupn\u011b se utahuj\u00edc\u00ed \u0161\u0148\u016fru, kter\u00e1 se pohybuje sm\u011brem k t\u011bsnic\u00edmu b\u0159itu. B\u011bhem 50 a\u017e 100 hodin nekontrolovan\u00e9ho ov\u00edjen\u00ed se \u0161\u0148\u016fra ohne nebo pro\u0159\u00edzne t\u011bsn\u011bn\u00ed \u2013 \u010d\u00edm\u017e vystav\u00ed vnit\u0159ek p\u0159evodovky tropick\u00e9mu bahnu a t\u0159tinov\u00e9 \u0161\u0165\u00e1v\u011b. M\u00edra poruch je nejvy\u0161\u0161\u00ed b\u011bhem sklizn\u011b zelen\u00e9 t\u0159tiny (bez p\u0159edb\u011b\u017en\u00e9ho spalov\u00e1n\u00ed), kdy je objem odpadu 3 a\u017e 5kr\u00e1t vy\u0161\u0161\u00ed ne\u017e p\u0159i sklizni sp\u00e1len\u00e9 t\u0159tiny. Jakmile je t\u011bsn\u011bn\u00ed poru\u0161eno, kontaminace zni\u010d\u00ed olejov\u00fd film b\u011bhem 50 a\u017e 200 hodin \u2013 a pokud nen\u00ed kontaminace v\u010das zji\u0161t\u011bna a opravena, projev\u00ed se v selh\u00e1n\u00ed p\u0159evodovky a lo\u017eisek.<\/p>\n

Prevence: Ochrann\u00e9 kryty proti ne\u010distot\u00e1m + odst\u0159ikovac\u00ed krou\u017eky h\u0159\u00eddele jako prim\u00e1rn\u00ed bari\u00e9ra. Dvouku\u017eelov\u00e1 t\u011bsn\u011bn\u00ed jako sekund\u00e1rn\u00ed bari\u00e9ra. Denn\u00ed odstra\u0148ov\u00e1n\u00ed ne\u010distot z oblasti t\u011bsn\u011bn\u00ed h\u0159\u00eddele b\u011bhem provozu. Kalen\u00e1 h\u0159\u00eddelov\u00e1 pouzdra (55\u201360 HRC).<\/div>\n<\/div>\n
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3<\/div>\n
Zabl\u00e1cen\u00ed v obdob\u00ed de\u0161\u0165\u016f kv\u016fli nedostate\u010dn\u00e9 trakci na nasycen\u00e9m tropick\u00e9m j\u00edlu<\/div>\n<\/div>\n

Tropick\u00e9 oblasti s cukrovou t\u0159tinou p\u0159ij\u00edmaj\u00ed b\u011bhem vegeta\u010dn\u00edho obdob\u00ed 1 000 a\u017e 2 000 mm sr\u00e1\u017eek \u2013 a obdob\u00ed drcen\u00ed se v mnoha oblastech p\u0159ekr\u00fdv\u00e1 s obdob\u00edm de\u0161\u0165\u016f. \u00danosnost p\u016fdy nasycen\u00e9ho tropick\u00e9ho j\u00edlu (laterit, vertisol, aluvi\u00e1ln\u00ed p\u016fda) m\u016f\u017ee klesnout na 50 a\u017e 100 kPa \u2013 pod kontaktn\u00ed tlak pneumatik 20tunov\u00e9ho skl\u00edze\u010de na standardn\u00edch zem\u011bd\u011blsk\u00fdch pneumatik\u00e1ch. Kdy\u017e stroj uv\u00e1zne v bl\u00e1t\u011b, jsou pohony kol vystaveny trval\u00e9mu p\u00e1dov\u00e9mu momentu (maxim\u00e1ln\u00ed hydraulick\u00fd tlak p\u0159i nulov\u00fdch ot\u00e1\u010dk\u00e1ch kola) \u2013 co\u017e generuje maxim\u00e1ln\u00ed teplo v p\u0159evodovce s nulov\u00fdm pr\u016ftokem vzduchu pro chlazen\u00ed. 15 a\u017e 30minutov\u00e9 uv\u00e1znut\u00ed v bl\u00e1t\u011b p\u0159i p\u00e1dov\u00e9m momentu m\u016f\u017ee zv\u00fd\u0161it teplotu oleje o 30 a\u017e 50 stup\u0148\u016f Celsia nad ji\u017e tak zv\u00fd\u0161enou tropickou z\u00e1kladn\u00ed teplotu \u2013 dos\u00e1hnout 140 a\u017e 160 stup\u0148\u016f Celsia a p\u0159ekro\u010dit tepeln\u00fd limit syntetick\u00e9ho oleje. Opakovan\u00e9 uv\u00e1znut\u00ed v bl\u00e1t\u011b (2 a\u017e 5 denn\u011b za nejhor\u0161\u00edch podm\u00ednek) zp\u016fsobuj\u00ed kumulativn\u00ed tepeln\u00e9 po\u0161kozen\u00ed, kter\u00e9 \u017e\u00e1dn\u00e1 v\u00fdm\u011bna oleje nem\u016f\u017ee zvr\u00e1tit. Tepeln\u00e9 po\u0161kozen\u00ed se projevuje jako zm\u011bna barvy povrchu lo\u017eiska (zm\u011bna barvy za stavu nazna\u010duj\u00edc\u00ed zm\u011bk\u010den\u00ed zkalen\u00e9 ob\u011b\u017en\u00e9 dr\u00e1hy), mikrosva\u0159en\u00ed povrchu zub\u016f ozuben\u00e9ho kola (kde p\u0159enos kovu na hranici kontaktu vytv\u00e1\u0159\u00ed drsn\u00e1 m\u00edsta, kter\u00e1 urychluj\u00ed dal\u0161\u00ed opot\u0159eben\u00ed) a k\u0159ehnut\u00ed t\u011bsn\u011bn\u00ed (kde materi\u00e1l FKM ztr\u00e1c\u00ed elasticitu v d\u016fsledku dlouhodob\u00e9ho vystaven\u00ed nadm\u011brn\u00e9 teplot\u011b). Tyto zp\u016fsoby po\u0161kozen\u00ed jsou kumulativn\u00ed a nevratn\u00e9 \u2013 sou\u010d\u00e1sti mus\u00ed b\u00fdt vym\u011bn\u011bny p\u0159i p\u0159\u00ed\u0161t\u00ed mezisez\u00f3nn\u00ed gener\u00e1ln\u00ed oprav\u011b, i kdy\u017e anal\u00fdza oleje neprokazuje \u017e\u00e1dnou kontaminaci. Tepeln\u00e9 po\u0161kozen\u00ed v d\u016fsledku zablokov\u00e1n\u00ed je nej\u010dast\u011bj\u0161\u00edm d\u016fvodem pro v\u00fdm\u011bnu pohonu kol po 6 000 a\u017e 8 000 hodin\u00e1ch nam\u00edsto pl\u00e1novan\u00fdch 10 000 a\u017e 12 000 hodin.<\/p>\n

Prevence: \u0160irok\u00e9 flota\u010dn\u00ed pneumatiky (800 a\u017e 900 mm) nebo \u00faprava na gumov\u00e9 p\u00e1sy pro provoz v mokr\u00e9m obdob\u00ed. Omezova\u010d to\u010div\u00e9ho momentu v hydraulick\u00e9m syst\u00e9mu (automatick\u00e9 sn\u00ed\u017een\u00ed v\u00fdkonu po 5 minut\u00e1ch p\u0159i maxim\u00e1ln\u00edm tlaku). Vypnut\u00ed p\u0159i teplot\u011b oleje p\u0159i 140 \u00b0C.<\/div>\n<\/div>\n<\/div>\n<\/section>\n
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\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
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Jak se li\u0161\u00ed pohon kol skl\u00edze\u010de cukrov\u00e9 t\u0159tiny od jin\u00fdch zem\u011bd\u011blsk\u00fdch pohon\u016f?<\/h3>\n

T\u0159i z\u00e1sadn\u00ed rozd\u00edly: (1) vyu\u017eit\u00ed \u2013 3 000 a\u017e 5 000 hodin ro\u010dn\u011b oproti 200 a\u017e 800 hodin\u00e1m u skl\u00edze\u010d\u016f plodin m\u00edrn\u00e9ho p\u00e1su, co\u017e vy\u017eaduje 3 a\u017e 5kr\u00e1t del\u0161\u00ed \u017eivotnost sou\u010d\u00e1st\u00ed z hlediska \u00fanavy; (2) nep\u0159etr\u017eit\u00e9 tropick\u00e9 horko \u2013 teploty oleje 95 a\u017e 130 stup\u0148\u016f Celsia po dobu 180 po sob\u011b jdouc\u00edch dn\u016f, co\u017e vy\u017eaduje syntetick\u00fd olej a vysokoteplotn\u00ed t\u011bsn\u011bn\u00ed jako z\u00e1kladn\u00ed specifikace; a (3) obalov\u00e1n\u00ed vl\u00e1kny z t\u0159tinov\u00fdch odpad\u016f \u2013 mechanismus selh\u00e1n\u00ed t\u011bsn\u011bn\u00ed, kter\u00fd neexistuje u \u017e\u00e1dn\u00e9ho jin\u00e9ho druhu plodiny a vy\u017eaduje fyzick\u00e9 ochrann\u00e9 kryty proti odpad\u016fm a t\u011bsn\u011bn\u00ed proti vl\u00e1kn\u016fm.<\/p>\n<\/div>\n

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Jak\u00e1 je typick\u00e1 \u017eivotnost?<\/h3>\n

8 000 a\u017e 12 000 provozn\u00edch hodin pro planetovou p\u0159evodovku \u2013 co\u017e odpov\u00edd\u00e1 2 a\u017e 3 sez\u00f3n\u00e1m drcen\u00ed p\u0159i 4 000 hodin\u00e1ch za sez\u00f3nu. T\u011bsn\u011bn\u00ed: 2 000 a\u017e 4 000 hodin s materi\u00e1lem FKM a ochrann\u00fdmi kryty proti ne\u010distot\u00e1m. Lo\u017eiska: 8 000 a\u017e 10 000 hodin se syntetick\u00fdm olejem a tepeln\u00fdm managementem. Mezisez\u00f3nn\u00ed interval gener\u00e1ln\u00ed opravy (60 a\u017e 120 dn\u00ed) je jedinou praktickou p\u0159\u00edle\u017eitost\u00ed k v\u00fdm\u011bn\u011b hlavn\u00edch sou\u010d\u00e1st\u00ed \u2013 jak\u00e1koli porucha b\u011bhem sez\u00f3ny drcen\u00ed vy\u017eaduje opravu v ter\u00e9nu pod \u010dasov\u00fdm tlakem.<\/p>\n<\/div>\n

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Jak\u00fd je typick\u00fd p\u0159evodov\u00fd pom\u011br?<\/h3>\n

25:1 a\u017e 45:1 pro samoj\u00edzdn\u00e9 \u0159eza\u010dky s rychlost\u00ed sklizn\u011b 5 a\u017e 9 km\/h a rychlost\u00ed p\u0159epravy po silnici 20 a\u017e 30 km\/h. Ni\u017e\u0161\u00ed p\u0159evodov\u00e9 pom\u011bry (25:1 a\u017e 30:1) se pou\u017e\u00edvaj\u00ed u stroj\u016f s vy\u0161\u0161\u00edmi po\u017eadavky na p\u0159epravu po silnici. N\u011bkter\u00e9 velk\u00e9 skl\u00edze\u010de pou\u017e\u00edvaj\u00ed dvoustup\u0148ov\u00e9 p\u0159evodovky \u2013 n\u00edzk\u00fd rozsah pro sklize\u0148 na mokr\u00e9m poli (vysok\u00fd to\u010div\u00fd moment, n\u00edzk\u00e9 ot\u00e1\u010dky) a vysok\u00fd rozsah pro sklize\u0148 na such\u00e9m poli a p\u0159epravu po silnici (ni\u017e\u0161\u00ed to\u010div\u00fd moment, vy\u0161\u0161\u00ed ot\u00e1\u010dky).<\/p>\n<\/div>\n

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Pro\u010d je syntetick\u00fd olej povinn\u00fd pro skl\u00edze\u010de cukrov\u00e9 t\u0159tiny?<\/h3>\n

Miner\u00e1ln\u00ed olej oxiduje p\u0159i 110 \u00b0C p\u0159i 8n\u00e1sobku z\u00e1kladn\u00ed rychlosti oproti 70 \u00b0C \u2013 co\u017e v tropick\u00fdch podm\u00ednk\u00e1ch zkracuje jeho efektivn\u00ed \u017eivotnost na 200 a\u017e 300 hodin. Syntetick\u00fd olej PAO oxiduje p\u0159i \u010dtvrtin\u011b miner\u00e1ln\u00ed rychlosti, \u010d\u00edm\u017e se interval v\u00fdm\u011bny prodlu\u017euje na 1 000 hodin. Syntetick\u00fd olej si nav\u00edc udr\u017euje dostate\u010dnou viskozitu (nad 6 cSt) p\u0159i 120 \u00b0C, kde miner\u00e1ln\u00ed olej \u0159ed\u00ed pod minimum pro hydrodynamick\u00e9 maz\u00e1n\u00ed. Zv\u00fd\u0161en\u00ed n\u00e1klad\u016f (3 a\u017e 5kr\u00e1t na litr) se vr\u00e1t\u00ed b\u011bhem prvn\u00ed sez\u00f3ny d\u00edky sn\u00ed\u017een\u00e9mu po\u010dtu v\u00fdm\u011bn oleje a prodlou\u017een\u00e9 \u017eivotnosti sou\u010d\u00e1st\u00ed.<\/p>\n<\/div>\n

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Dod\u00e1v\u00e1 Korea Ever-Power pohony kol pro skl\u00edze\u010de cukrov\u00e9 t\u0159tiny?<\/h3>\n

Ano. Spole\u010dnost Korea Ever-Power vyr\u00e1b\u00ed planetov\u00e9 p\u0159evodovky s pohonem kol pro skl\u00edze\u010de cukrov\u00e9 t\u0159tiny od 10 000 do 50 000 Nm s vysokoteplotn\u00edmi t\u011bsn\u011bn\u00edmi FKM, materi\u00e1ly kompatibiln\u00edmi se syntetick\u00fdmi oleji, integrovan\u00fdmi mont\u00e1\u017en\u00edmi prvky pro ochranu proti ne\u010distot\u00e1m, mo\u017enostmi dvojit\u00e9ho ku\u017eelov\u00e9ho t\u011bsn\u011bn\u00ed a konstruk\u010dn\u00ed \u017eivotnost\u00ed 8 000 a\u017e 12 000 hodin pro nep\u0159etr\u017eit\u00fd provoz v tropick\u00fdch podm\u00ednk\u00e1ch. Uve\u010fte v\u00fdrobce skl\u00edze\u010de, model, d\u00e9lku drt\u00edc\u00ed sez\u00f3ny a typickou okoln\u00ed teplotu pro specifikaci odpov\u00eddaj\u00edc\u00ed tepeln\u00fdm a provozn\u00edm po\u017eadavk\u016fm.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Pohony kol pro skl\u00edze\u010de cukrov\u00e9 t\u0159tiny \u2013 tropick\u00e9, s ut\u011bsn\u011bn\u00edm z vl\u00e1ken, osv\u011bd\u010den\u00e9 v sez\u00f3n\u011b<\/div>\n

Spole\u010dnost Korea Ever-Power dod\u00e1v\u00e1 pohony kol pro skl\u00edze\u010de cukrov\u00e9 t\u0159tiny s to\u010div\u00fdm momentem od 10 000 do 50 000 Nm s tropick\u00fdm tepeln\u00fdm managementem, ochranou t\u011bsn\u011bn\u00ed proti zbytk\u016fm t\u0159tiny a \u017eivotnost\u00ed p\u0159es 8 000 hodin.<\/p>\n<\/div>\n

Zobrazit \u0159adu pohon\u016f kol \u2192<\/a><\/p>\n
sales@planet\u00e1rn\u00ed-p\u0159evodovky.com<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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

Korea Ever-Power \u00b7 Aplika\u010dn\u00ed in\u017een\u00fdrstv\u00ed \u00b7 Skl\u00edze\u010de cukrov\u00e9 t\u0159tiny Pohon kol Planetov\u00e1 p\u0159evodovka pro skl\u00edze\u010de cukrov\u00e9 t\u0159tiny \u017d\u00e1dn\u00fd jin\u00fd zem\u011bd\u011blsk\u00fd pohon kol nepracuje v tak extr\u00e9mn\u00edch podm\u00ednk\u00e1ch tak dlouho. Skl\u00edze\u010d cukrov\u00e9 t\u0159tiny b\u011b\u017e\u00ed 3 000 a\u017e 5 000 hodin ro\u010dn\u011b v tropick\u00e9m vedru o teplot\u011b 35 a\u017e 45 stup\u0148\u016f Celsia, na nasycen\u00e9m j\u00edlu, kter\u00fd by znehybnil [\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":[965],"tags":[],"class_list":["post-1170","post","type-post","status-publish","format-standard","hentry","category-application-and-technical-guid"],"_links":{"self":[{"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/posts\/1170","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/comments?post=1170"}],"version-history":[{"count":2,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/posts\/1170\/revisions"}],"predecessor-version":[{"id":1173,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/posts\/1170\/revisions\/1173"}],"wp:attachment":[{"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/media?parent=1170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/categories?post=1170"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/tags?post=1170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}