Mhando dzeHydraulic Fluids |Kusarudzwa kweHydraulic Fluid

Mhando dzeHydraulic Fluids

Kune marudzi akasiyana e hydraulic fluid ane zvimiro zvinodiwa.Kazhinji, paunenge uchisarudza mafuta akakodzera, zvinhu zvishoma zvakakosha zvinotariswa.Kutanga, kuwirirana kwayo nezvisimbiso, kubereka uye zvikamu zvinoonekwa;chechipiri, viscosity yayo uye mamwe maparameter akadai sekugadzirisa kuramba uye kugadzikana kwezvakatipoteredza zvinoonekwawo.Kune marudzi mashanu makuru e hydraulic flow fluid inosangana nezvinodiwa zvakasiyana zve system.Izvi zvinokurukurwa muchidimbu sezvinotevera:

1.Petroleum-based fluids:
Mineral oiri ndiyo petroleum-based oiri ndiyo inonyanya kushandiswa hydraulic fluid.
Chaizvoizvo, vane akawanda ehunhu hunodiwa: anowanikwa zviri nyore uye ane hupfumi.Pamusoro pezvo, ivo vanopa yakanakisa lubrication kugona, kushomeka matambudziko ekuora uye anowirirana nezvakawanda zvisimbiso zvinhu.
Chinhu chimwe chete chakaipa chikuru chezvinwiwa izvi ndiko kupisa kwadzo.Ivo vanoisa njodzi dzemoto, kunyanya kubva mukudonha, munzvimbo dzakanyanya kupisa senge maindasitiri esimbi, nezvimwe.
Mafuta emaminerari akanaka pakushanda kutonhora pasi pe50 ° C, Pakupisa kwepamusoro, mafuta aya anorasikirwa nekugadzikana kwemakemikari uye anogadzira acids, varnishes, etc. Zvose izvi zvinotungamirira pakurasikirwa kwemaitiro ekuzora, kuwedzera kupera, kuora uye matambudziko akafanana.Neraki, zvinowedzera zviripo zvinovandudza kugadzikana kwemakemikari, kuderedza oxidation, kuumbwa kwefuro uye mamwe matambudziko.
Oiri yepetroleum ichiri iyo inonyanya kushandiswa base ye hydraulic fluid.
Kazhinji, petroleum mafuta ane zvinotevera zvinhu:
1.Excellent lubricity.
2.Higher demulsibility.
3.More oxidation resistance.
4.Higher viscosity index.
5.Kudzivirirwa kubva kune ngura.
6.Good kuisa chisimbiso maitiro.
7.Easy kupera kwekupisa.
8.Easy kuchenesa nekusefa.
Zvizhinji zvezvinhu zvinodikanwa zvemvura, kana zvisati zvave zviripo mumafuta asina kuchena, zvinogona kuiswa kuburikidza nekunatsa kana kuwedzera zvinowedzera.
Chinhu chinonyanya kukanganisa mafuta epetroleum ndechekuti inopisa nyore nyore.Zvekushandisa uko moto unogona kuve njodzi, senge kupisa kupisa, hydroelectric welding, die casting, forging nezvimwe zvakawanda, kune akati wandei emhando dzemvura dzisingadziviriri moto dziripo.

2. Emulsions:
Emulsions musanganiswa wezvinwiwa zviviri zvisingaite makemikari kune vamwe.Emulsions ye petroleum-based oiri uye mvura inowanzoshandiswa.Emulsifier inowanzowedzerwa kune emulsion, iyo inochengeta mvura semadonhwe madiki uye inoramba yakamiswa mune imwe mvura.
Mhando mbiri dze emulsion dziri kushandiswa:
Mafuta-mu-mvura emulsions:
Iyi emulsion ine mvura sechikamu chikuru, nepo madonhwe madiki emafuta anoparadzirwa mairi.Kazhinji, dilution yemafuta ishoma, inenge 5%;
saka, inoratidza maitiro emvura.Mipimo yayo ndeye kushata viscosity, inotungamira kumatambudziko ekudonha, kurasikirwa muhuwandu hwehuwandu uye hurombo hwekuzora zvivakwa.Zvinetso izvi zvinogona kukurirwa pamwero mukuru nokushandisa zvimwe zvokuwedzera.Emulsion dzakadaro dzinoshandiswa mukusimuka kwakakwirira, pasi-speed pombi (semumigodhi yekushandisa).
Mvura-mu-oiri emulsions:
Mvura-mu-oiri emulsions, inonziwo inverse emulsions, ndeye mafuta akavakirwa umo madonhwe madiki emvura anoparadzirwa mukati mechikamu chemafuta.Iwo anonyanya kufarirwa nemoto-resistant hydraulic fluids.Vanoratidza zvakawanda zvechimiro chakaita semafuta;saka, vane viscosity yakanaka uye lubrication properties.Iyo inowanzoshandiswa emulsion ine dilution ye60% mafuta uye 40% mvura.Aya emulsions akanaka pakushanda pa 25 ° C, sepapamusoro pekushisa, mvura inoputika uye inotungamirira mukurasikirwa kwezvinhu zvinodzivirira moto.

3. Mvura glycol:
Mvura glycol imwe mvura isingabatike inowanzoshandiswa mundege hydraulic systems.Iyo inowanzo ine yakaderera lubrication kugona kana ichienzaniswa nemamineral oiri uye haina kukodzera kune yakanyanya-tembiricha application.Iine mvura uye glycol muchiyero che1: 1.Nekuda kwechimiro chayo chine aqueous uye kuvapo kwemhepo, inowanzoitika kune oxidation uye zvine hukama matambudziko.Inoda kuwedzerwa ne oxidation inhibitors.Kuchengetedza kwakakwana kwakakosha pakushandisa mvura iyi sezvo ine muchetura uye inoparadza kune dzimwe simbi dzakaita sezingi, magnesium nealuminium.Zvakare, haikodzeri kushanda kwepamusoro-tembiricha sezvo mvura inogona kubuda.Nekudaro, yakanaka kwazvo kune yakaderera-tembiricha application sezvo iine yakakwirira antifreeze maitiro.

4. Synthetic fluids:
Synthetic fluid, yakavakirwa paphosphate ester, imwe mvura yakakurumbira isingatsvi.Inokodzera kukwirisa-tembiricha application, nekuti inoratidza yakanaka viscosity uye lubrication maitiro.Hazvina kukodzera kushandiswa kwepasi-tembiricha.Izvo hazvienderane nezvinhu zvakajairika zvekuisa chisimbiso senge nitrile.Kunyanya kudhura, kunoda zvinhu zvinodhura zvekuisa chisimbiso (viton).Mukuwedzera, phosphate ester haisi yemvura-inoshamwaridzana mvura.Inorwisa zvakare aluminium nependi.

5. Mafuta emiriwo:
Kuwedzera kwekusvibiswa kwepasi rose kwakakonzera kushandiswa kwemvura yakawanda yezvakatipoteredza.Mafuta emuriwo-anocheneswa anogona kugadzirwa uye akachengeteka kwezvakatipoteredza.Ivo vane yakanaka lubrication zvivakwa, ine mwero viscosity uye isingadhure.Inogona kugadzirwa kuti ive yakanaka yekudzivirira moto maitiro ane zvimwe zvinowedzera.Mafuta emuriwo ane katsika kekuita oxidize nyore uye kutora unyoro.Iyo acidity, kuumbwa kwemarara uye matambudziko ekuora zvakanyanya kuoma mumafuta emiriwo pane mumafuta emamineral.Nekudaro, mafuta emiriwo anoda zvakanaka inhibitors kuderedza oxidation matambudziko.

6. Biodegradable hydraulic fluids:
Sezvo masangano akawanda ari kunzwisisa basa rawo munharaunda uye ave kutendeukira kune eco-inoshamwaridzika muchina uye hutongi hwebasa, biodegradable hydraulic fluid yave kunyanya kutsvakwa chigadzirwa mukutanga kwenguva yezvemamiriro ekunze.Biodegradable hydraulic fluids, ingangozivikanwa sebio-based hydraulic fluids, Bio-based hydraulic fluids inoshandisa sunflower, rapeseed, soyabean, nezvimwewo, semafuta ekutanga uye nekudaro zvinokonzeresa kusvibiswa kwemafuta kana kutadza kwehydraulic hose.Izvi zvinwiwa zvinotakura zvinhu zvakafanana neiya yemaminerari emafuta-based anti-wear hydraulic fluid, Hypothetically, kana kambani ikaronga kuunza bio-based fluid muzvikamu zve hydraulic zvemuchina uye inotenderwa kushanda nesimba kweiyo hydraulic components yakaderedzwa kusvika makumi masere. %, zvobva zvazotungamira mukudzikiswa kwe20% kwesimba rekupwanya nekuda kwekudzikiswa kwe20% mukumanikidza kwemucheri.Izvi zvinodaro nekuti kudzikiswa kwesimba rekushandisa rehurongwa kunotungamira mukudzikiswa kwesimba remagetsi.
Kunze kwezvo, shanduko yacho haingosanganisire mutengo wemvura uye kugezeswa kwemuchina kuti upfuure kubva kuoiri yemamineral kuenda kuoiri yemuriwo kakawanda asi zvakare inosanganisira kuderera kwemitengo yemuchina.
Zvinhu Zvinokonzera Kusarudzwa Kwemvura
Kusarudzwa kwe hydraulic fluid kune yakapihwa system inotongwa neanotevera zvinhu:
1. Kushanda kudzvinyirirwa kwehurongwa.
2. Kushanda kwekushisa kwegadziriro uye kusiyana kwayo.
3. Zvinhu zvegadziriro uye kuenderana kwayo nemafuta anoshandiswa.
4. Kukurumidza kushanda.
5. Kuwanikwa kwemvura inotsiva.
6. Mutengo wemitsara yekufambisa.
7. Kusvibiswa mikana.
8. Mamiriro ezvakatipoteredza (kuremerwa nemoto, mhepo yakanyanyisa semugodhi, nezvimwewo)
9. Lubricity.
10. Kuchengetedza kune opareta.
11. Hupenyu hwebasa hunotarisirwa.


Nguva yekutumira: Mar-08-2022