Ho thibela oli e tlotsang hore e se ke ea lutla le lintho tse ling tse tsoang kantle ho kena, sekoahelo se kobehileng se entsoeng ka karolo e le 'ngoe kapa ho feta se tlamelloa lesale le le leng kapa mochini o hlatsoang oa bearing 'me se kopana le lesale le leng kapa mochini o hlatsoang, e leng se etsang lekhalo le lenyenyane le tsejoang e le labyrinth. Mehele ea rabara e nang le karolo e chitja e etsa lesale la ho tiisa. E tsejoa e le lesale la ho tiisa le bōpehileng joaloka O ka lebaka la karolo ea eona e bōpehileng joaloka O.

1. Lesale la ho tiisa rabara la nitrile la NBR

Metsi, peterole, mafura a silicone, oli ea silicone, oli ea ho tlotsa e thehiloeng ho diester, oli ea hydraulic e thehiloeng ho peterole, le lintho tse ling tse ka sebelisoang le eona kaofela. Hona joale, ke seal ea rabara e theko e tlaase ka ho fetisisa le e sebelisoang haholo. Ha e khothalletsoe ho sebelisoa le li-solvents tsa polar tse kang chloroform, nitrohydrocarbons, ketones, ozone le MEK. Tekanyo e tloaelehileng ea mocheso bakeng sa ts'ebetso ke -40 ho isa ho 120 °C.

2. Lesale la ho tiisa rabara la nitrile le nang le hydrogenated HNBR

E na le khanyetso e ntle khahlanong le ozone, khanya ea letsatsi le boemo ba leholimo, 'me e hanela haholo mafome, ho phatloha le ho fetoha ha khatello. E tšoarella haholo ha e bapisoa le rabara ea nitrile. E loketse ho hloekisa lienjene tsa likoloi le lisebelisoa tse ling. Ha ho eletsoa ho sebelisa sena ka litharollo tse nkhang hamonate, li-alcohol, kapa li-ester. Mocheso o tloaelehileng bakeng sa ts'ebetso ke -40 ho isa ho 150 °C.

3. Lesale la ho tiisa rabara la silicone la SIL

E na le khanyetso e ntle haholo mochesong, serameng, ozone le botsofaling ba sepakapaka. E na le litšobotsi tse ntle tsa ho thibela mocheso. Ha e hanele oli, 'me matla a eona a ho tsikinyeha a tlase ho feta a rabara e tloaelehileng. E loketse ho sebelisoa le li-heater tsa metsi tsa motlakase, li-iron tsa motlakase, li-onto tsa microwave le lisebelisoa tse ling tsa ntlo. E boetse e loketse lintho tse fapaneng, tse kang liliba tsa metsi le li-kettle, tse kopanang le letlalo la motho. Ha ho eletswe ho sebelisa sodium hydroxide, oli, li-acid tse kopaneng, kapa li-solvent tse ngata tse kopaneng. Mocheso o tloaelehileng bakeng sa ts'ebetso ke -55~250 °C.

4. Lesale la ho tiisa rabara la VITON fluorine

Boemo ba eona bo ikhethang ba leholimo, ozone, le khanyetso ea lik'hemik'hale li tsamaisana le khanyetso ea eona e phahameng ea mocheso o phahameng; leha ho le joalo, khanyetso ea eona ea serame ha e lekane. Bongata ba oli le li-solvents, haholo-holo li-acid, li-hydrocarbon tse nang le monko o monate le tse nkhang hamonate, hammoho le oli ea meroho le ea liphoofolo, ha li e ame. E loketse litsamaiso tsa mafura, libaka tsa lik'hemik'hale le litlhoko tsa ho tiisa enjene ea diesel. Tšebeliso le li-ketone, li-ester tse tlaase tsa boima ba limolek'hule, le metsoako e nang le li-nitrate ha e khothalletsoe. -20 ho isa ho 250 °C ke mocheso o tloaelehileng oa ts'ebetso.

5. Lesale la ho tiisa rabara la FLS fluorosilicone

Tshebetso ya yona e kopanya dibopeho tse ntle ka ho fetisisa tsa rabara ya silicone le fluorine. E boetse e hanela haholo di-solvent, oli tsa mafura, dithempereichara tse phahameng le tse tlase, le oli. e kgona ho mamella ho senyeha ha dikhemikhale ho kenyeletswa le oksijene, di-solvent tse nang le di-hydrocarbon tse nkhang hamonate, le di-solvent tse nang le chlorine. -50~200 °C ke sebaka se tlwaelehileng sa mocheso o sebetsang.

6. Lesale la ho tiisa rabara la EPDM EPDM

E hanela metsi, e hanela lik'hemik'hale, e hanela ozone, 'me e hanela boemo ba leholimo. E sebetsa hantle bakeng sa ho koala lits'ebetso tse kenyelletsang joala le li-ketone hammoho le mouoane oa metsi mochesong o phahameng. Mocheso o tloaelehileng bakeng sa ts'ebetso ke -55 ho isa ho 150 °C.

7. Lesale la ho tiisa la neoprene la CR

E mamella haholo boemo ba leholimo le khanya ea letsatsi. E hanela li-acid tse hlapolotsoeng le li-lubricant tsa silicone grease, 'me ha e tšabe li-refrigerant tse kang dichlorodifluoromethane le ammonia. Ka lehlakoreng le leng, e atoloha haholo oli ea diminerale e nang le lintlha tse tlase tsa aniline. Lithempereichara tse tlase li etsa hore ho be bonolo ho etsa kristale le ho tiisa. E loketse maemo a fapaneng a sepakapaka, a letsatsi le a ozone hammoho le a mangata a likhokahano tsa ho koala tse hanelang lik'hemik'hale le malakabe. Tšebeliso le li-acid tse matla, li-nitrohydrocarbon, li-ester, metsoako ea ketone le chloroform ha e eletsoa. ​​Mocheso o tloaelehileng oa ts'ebetso ke -55 ho isa ho 120 °C.

8. Lesale la ho tiisa rabara la butyl la IIR

E sebetsa hantle haholo mabapi le ho tiea ha moea, ho hanyetsa mocheso, ho hanyetsa mahlaseli a kotsi a letsatsi, ho hanyetsa ozone le ho thibela ho ruruha; ho feta moo, e ka mamella ho pepesehela lintho tse ka oxidation le oli ea liphoofolo le ea meroho 'me e na le ho hanyetsa hantle litharollo tsa polar ho kenyeletsoa le alcohols, ketones le esters. E loketse lisebelisoa tsa vacuum kapa tsa ho hanyetsa lik'hemik'hale. Ha ho eletswe ho e sebelisa le parafini, li-hydrocarbon tse nkhang hamonate, kapa litharollo tsa peterole. -50 ho isa ho 110 °C ke mocheso o tloaelehileng oa ts'ebetso.

9. Lesale la ho tiisa rabara la acrylic la ACM

Ho hanyetsa boemo ba leholimo, ho hanyetsa oli, le sekhahla sa ho fetoha ha khatello kaofela li ka tlase ho karolelano, leha ho le joalo matla a eona a mechini, ho hanyetsa metsi, le ho hanyetsa mocheso o phahameng kaofela li ntle haholo. Hangata li fumaneha lits'ebetsong tsa ho tsamaisa ka matla le li-gearbox tsa likoloi. Ha e khothalletsoe ho sebelisoa le mokelikeli oa brake, metsi a chesang, kapa li-ester tsa phosphate. Mefuta e tloaelehileng ea mocheso bakeng sa ts'ebetso ke -25 ho isa ho 170 °C.

10. Lesale la ho tiisa rabara la tlhaho la NR

Lihlahisoa tsa rabara li matla khahlanong le ho taboha, ho lelefala, ho tsofala le ho tenyetseha. Leha ho le joalo, li tsofala kapele moeeng, lia khomarela ha li futhumetse, lia atoloha habonolo, lia qhibiliha ka oli ea diminerale kapa peterole, 'me li mamella asiti e bonolo empa e se alkali e matla. E loketse ho sebelisoa linthong tse nang le li-ion tsa hydroxyl, ethanol le mokelikeli oa brake oa koloi. -20 ho isa ho 100 °C ke mocheso o tloaelehileng oa ts'ebetso.

11. Lesale la ho tiisa rabara la polyurethane la PU

Rabara ea polyurethane e na le litšobotsi tse ntle tsa mechine; e feta liraba tse ling mabapi le ho hanyetsa ho tsofala le ho hanyetsa khatello e phahameng. Ho hanyetsa ha eona botsofaling, ozone le oli ka ho tšoanang ho babatseha haholo; empa, maemong a mocheso o phahameng, e kotsing ea hydrolysis. Hangata e sebelisoa bakeng sa ho koala likhokahano tse ka mamellang ho tsofala le khatello e phahameng. Mocheso o tloaelehileng bakeng sa ts'ebetso ke -45 ho isa ho 90 °C.