Kɔnstrɔkshɔn mashin haydrolik transmishɔn sistem insay di men kɔmpɔnɛnt dɛn lɛk giabɔks tɔk kɔnvɔta (we dɛn kin kɔl dabl chenj) ɛn di wok yunit haydrolik sistem na di malti-we rivasin valv wit O-ring ɛn ɔda sil dɛn, bɔku pan dɛn dɔn yuz fluorine rɔba (FKM) fɔ sial di matirial gɛt gud ɔyl rɛsistɛns, abrashɔn rɛsistɛns ɛn rɛsistɛns to ay tɛmpracha ɛn so ɔda tin dɛn, fɔ mek dɛn nɔ ebul fɔ mek am lik di sistεm, impruv di sistεm durabiliti dεn achy wan sכm ifekt. Bɔt bikɔs dɛn kayn sil dɛn de de, di prayz ay, di we aw di ɔyl nɔ de pwɛl di rancidity, we nɔ de mek kol ɛn ɔda bad tin dɛn, we de mek di kɔst fɔ di prɔdak de go ɔp, ɛn i de afɛkt di sɛl we dɛn de sɛl di prɔdak, so i nid fɔ fɛn wan silin matirial we nɔ go tek bɔku mɔni ɛn we go de fɔ lɔng tɛm instead ɔf di silin matirial we de naw.
HNBR ɛn In Prɔpati dɛn
HNBR na nyu kayn ɔyl-resistant elastomer we Nippon Zeon bin introduks insay 1984, we dɛn bin mek fɔ mit di urgent nid fɔ rɔba fitin ɔnda harsh kɔndishɔn na di motoka industri. Na di fayn fayn ɔyl rɛsistɛns fɔ naytrayl rɔba (kɔd nem NBR) mɔlikul strɔkchɔ fɔ di kabɔn-kabɔn dɛbul bɔnd sɛlɛktiv haydrojɛn (satyut) prɔsesin fɔ di mɔlikul strɔkchɔ fɔ di chenj, chenj di NBR ɔt-rɛsistɛns, marun kemikal stebiliti fɔ di wik we di po pipul dɛn wik, wit fayn fayn trɛnk ɛn rɛsistɛns to ay ɛn lɔw tɛmpracha, rɛsistɛns to ɔyl ɛn kemikal midia lɛk rɛsistɛns to ɔdasayz, yunik ɛn rili balans pefɔmɛns. At di sem tɛm de mentɛn di fayn fayn wear resistans ɛn prɔsesabiliti fɔ NBR. We yu kɔmpia am wit FKM ɛn NBR
HNBR in men pefɔmɛns kwaliti dɛn na dɛn wan ya:
(1) Tεmpratura adaptabiliti: HNBR kin yuz fכ lכng tεm na l50 °C , sכt tεm yus fכ tεmprachכ te to l75 °C.
HNBR, kin yuz fכ lכng tεm na 230 °C , di sכt tεm yus fכ tεmprachכ te to 300 °C . HNBR ɔt rɛsistɛns bitwin NBR ɛn FKM, bɔt we i kam pan lɔw tɛmpracha rɛsistɛns, FKM in kol rɛsistɛns nɔ fayn (-15 °C we izi fɔ brit fraktrɔs); ɛn HNBR gɛt fayn fayn lɔw-tɛmpracha pefɔmɛns, wit gud balans bitwin ɔyl rɛsistɛns
(2) Fizik ɛn mɛkanikal prɔpati dɛn: bɔku pan di rɔba dɛn we nɔ de mek ɔyl bikɔs ɔf di lɔw tɛnsiɛl trɛnk, so i de limited di skɔp fɔ in aplikeshɔn, lɛk FKM tɛnsiɛl trɛnk we na 19.6-21.6MPa, HNBR trɛnk pas NBR, ACMXNBR, EPDM ɛn FKM ɛn ɔda kayn rɔba dɛn ay, lɛk Zeon ZSC haydrojɛn naytrayl bɔtadiɛn rɔba tɛnsiɛl trɛnk we go rich 6OMPa mɔ impɔtant, di HNBR na ay tɛmpracha ( Mɔ impɔtant, HNBR na ay tɛmpracha ( 15O °C ) ɔnda di trɛnk ( 14.7-29.4MPa ) ɛn rum tɛmpracha NBR fɔ mentɛn di sem lɛvɛl na ay tɛmpracha insay difrɛn kɔmpleks ɔyl ɛn kemikal midia kin stil mentɛn fayn fayn mɛkanikal prɔpati, ay tɛmpracha ɛn mɛkanikal prɔpati na bεtε pas mכst pan di כda elastik ah bכdi, gud abrashכn rεsistεns Tru di aprכpriet mεch
Kɔmbaynshɔn fɔ teknɔlɔji, yu kin gɛt fayn fayn ay-tɛmpracha kɔmpreshɔn pɔrmanent difɔmeshɔn pefɔmɛns, ɛn dis pefɔmɛns fɔ FKM nɔto so gud.
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Frɔm di kwaliti dɛn we de ɔp fɔ HNBR, we yu kɔmpia am wit FKM, di fɔs wan bɛtɛ ɔvalayn pefɔmɛns, FKM, pan ɔl we insay di ɔt rɛsistɛns, ɔyl rɛsistɛns, rɛsistɛns to kɔmbɔshɔn ɔyl bɛtɛ pas HNBR, bɔt HNBR insay di wok tɛmpracha fɔ di mɛkanikal prɔpati dɛn fɔ di stim rɛsistɛns, rɛsistɛns to ɔyl aditiv, rɛsistɛns to ɔksidɛshɔn ɛn ransiditi dɛgradɛshɔn fɔ di ɔyl ɛn ɔda kemikal prɔpati dɛm, lɛk we bɛtɛ pas di FKM. Apat frɔm dat, di FKM insay di manufakchurin ɛn mold prɔses bikɔs ɔf di po fluiditi fɔ di matirial, raw matirial ɛn prodak pefɔmɛns nɔ stebul, so in kɔst. Apat frɔm dat, FKM dia mɔ pan di prɔses fɔ mek ɛn mold bikɔs ɔf di po matirial flɔ, nɔ stebul raw matirial ɛn prodak pefɔmɛns, we HNBR nɔ dia pas FKM bikɔs ɔf gud matirial moldin ɛn prɔsesin, stebul pefɔmɛns ɛn lɔwa prayz.
Aplikeshɔn stetɔs fɔ HNBR ɛn analisis fɔ in aplikeshɔn na kɔnstrɔkshɔn mashin
Bikɔs ɔf di fayn fayn kɔmprɛhɛnsif pefɔmɛns we HNBR gɛt, dɛn dɔn yuz am bɔku bɔku wan fɔ tek ples fɔ FKM na ɔda kɔntri dɛn: dɛn dɔn yuz am na di ɔtomobil industri fɔ mek motoka krankshaft frɔnt ɛn riya ɛn giabɔks ɔyl sil, H-tayp shaft sil, sil fɔ fiul injɛkshɔn sistem, piston silinda vaybreshɔn damping sil, kabyuleta O-ring, ɛn ɔda tin dɛn; ɛn insay di mɛtalɔji industri, dɛn kin yuz am fɔ mek mɛtalɔji ay-layn rɔlin mil aks dayamita dabl-sayd sil dɛn, ɛn di sil dɛn fɔ fan-shep silinda dɛn na domestik kɔntinyu kastin mashin; ɛn insay di ɔyl fil industri, dɛn kin yuz am fɔ mek drilin rig, ɛn di sil fɔ drɔ rig. Insay di ɔyl fil industri, dɛn kin yuz dɛn fɔ mek di sil fɔ drɔl bit protɛkta fɔ drɔ wɛlhɛd silin, ɔyl plɔg pɔmp sial, ɛn ɔda tin dɛn.
Fɔ loda ɛn ɔda kɔnstrɔkshɔn mashin dɛn, in haydrolik transmishɔn kɔmpɔnɛnt dɛn lɛk giabɔks, tɔk kɔnvɔta intanɛnt nɔmal ɔpreshɔn tɛmpracha tiori 8O-90 °C , di ays nɔ pas 120 °C , bɔt lɛk lɔng awa fɔ wok we dɛn ɔvalod. I go rich ɔ ivin pas 130 °C intanɛnt saykl we di ay-tɛmpracha fluid de pwɛl ɛn pwɛl ova tɛm, we di pat dɛn na di mɛtal slag (mɛsh muvmɛnt fɔ di mɛtal kɔmpɔnɛnt dɛn ɛn di tɛm we di wok prɔses fɔ di mɛtal shevin dɛn de fɔdɔm na di wok midiɔm) insay di ay-tɛmpracha ɔt ɔyl we di sil dɛn de drɛb we di sil dɛn impak, we de afɛkt di savis layf fɔ di sil dɛn.
So, dɛn kin yuz HNBR insay di ay tɛmpracha trɛnk, lɔw tɛmpracha rɛsistɛns, ay tɛmpracha kɔmpreshɔn pɔrmanent difɔmeshɔn, ɔksidɛshɔn ɛn asid dɛgradɛshɔn fɔ ɔyl ɛn mɛtal slɔd pefɔmɛns ɛn ɔda aspek dɛn fɔ di prayz fɔ di bɛnifit dɛn we dɛn sho, wit in riplesmɛnt fɔ di kɔrɛnt FKM sil, ɔl tu fɔ impɔtant di savis layf fɔ di sil dɛn, bɔt bak fɔ ridyus di frɛkuɛns fɔ riples di wok midiɔm; ɛn ay tempɔret rɛsistɛns fɔ di FKM na signifyant tu smɔl. Fɔ kɔnstrɔkshɔn mashin wok divays haydrolik sistem, di sistem wok prɛshɔn na jɔs 16MPa (na ay-prɛshɔn sistem), di wok midiɔm (HM46 ɔ HM32 haydrolik ɔyl) fɔ di nɔmal ɔpreshɔn tɛmpracha na 45-55 °C , bikɔs ɔf di wok kɔndishɔn dɛn na di divays nɔ fayn, kɔpl wit improper ɔpreshɔn fɔ di yuza as well as fɔ di pursuit fɔ ikɔmik bɛnifit dɛn fɔ ɔvalod, dɛn prone to make the hydraulic system flow oil temperature Mɔ pas dis limit, so dat kin mek di haydrolik ɔyl pwɛl.
Apat frɔm dat, di kɔmpɔzishɔn fɔ di haydrolik sistɛm kɔmpɔnɛnt dɛn fɔ ay-spid rɔta muvmɛnt (haydrolik pɔmp) ɛn frɛkuɛnt rɛsiprokɛt slaydin (haydrolik silinda piston rod ɛn mɔlti-we rivasin valv valv stem) de prodyuz bak mɛtal slag ɛn ɔyl dɛtiɔreshɔn, di sil dɛn bak de kɔz bay di impak we frikshɔn gɛt, di sistɛm ɔda fayl dɛn we dɛn kɔz bikɔs ɔf di prɛshɔn ridɔkshɔn ɛn ivin sɔdɛn lɔs pan, na di sil dɛn gɛt bad impak pan di NBR klas sil dɛn we de naw, bikɔs ɔf in tɛnsiɛl trɛnk ɛn rɛsistɛns to dɛgradɛshɔn fɔ di ɔyl prɔpati dɛn Fɔ di NBR sil dɛn we de naw, bikɔs ɔf in tɛnsiɛl trɛnk ɛn rɛsistɛns to dɛgradɛshɔn ɔf ɔyl ɛn rili izi fɔ fel, bikɔs ɔf di trɛnk we HNBR gɛt, gud rikavari, in pat pan di sɔdɛn lɔs ɔf prɛshɔn pan di pefɔmɛns fɔ di sil dɛn gɛt smɔl impak, so insay di haydrolik sistem fɔ silinda, pɔmp, valv, ɛn ɔda haydrolik kɔmpɔnɛnt dɛn pan di yus fɔ HNBR sil kin rili impɔtant fɔ mek di silin ifɛkt ɛn savis layf bɛtɛ.
