Amabhulokhi e-hydraulic anomfutho ophezulu avumela imiklamo emincane kanye nokwanda kwamandla emishini yokwakha esindayo. Lezi zingxenye zithuthukisa ukunemba kokulawula futhi zinciphise ukulahlekelwa kwamandla ngaphakathi kohlelo lwe-hydraulic. Lokhu kuholela ngqo ekongeni uphethiloli okungcono, izikhathi zokujikeleza ezisheshayo, kanye nokukhiqiza okuphezulu kokusebenza.
Izinto Ezibalulekile Okufanele Uzicabangele
- Amabhulokhi e-hydraulic anomfutho ophezulu enza imishini esindayo ibe namandla futhi ibe mincane. Asiza imishini ukuthi isebenze kakhulu ngophethiloli omncane.
- Lawa mabhulokhi enza imishini ihambe ngokunembe kakhudlwana. Aphinde asize imishini iphendule ngokushesha emiyalweni.
- Amabhlogo anomfutho ophezulu onge amandla. Aphinde enze izingxenye zomshiniihlala isikhathi eside.
Isisekelo Samabhulokhi E-Hydraulic Anengcindezi Ephakeme
Ukuchaza Amabhulokhi E-Hydraulic Anengcindezi Ephakeme
A ibhulokhi ye-hydraulicisebenza njenge-manifold ephakathi ezinhlelweni ze-hydraulic. Ihlanganisa izinhlobo ezahlukeneamavalvu e-hydraulic, izixhumi, nezinye izingxenye. Lo mklamo uthatha indawo yokuxhumeka kwamapayipi okuvamile nobukhulu. Ibhloko lenza imisebenzi ebalulekile yokulawula njengokusatshalaliswa kwamafutha, ukushintsha kwesiqondiso, kanye nokulawulwa kwengcindezi. I-Hanshang Hydraulic, enezimpande zayo ezisukela emuva ngo-1988, igxile ekuklanyweni, ocwaningweni, nasekukhiqizweni kwalezi zingxenye ezibalulekile. Umoya wenkampani wokuhola emisha kanye nokuphishekela kwayo ubuhle kuyisisekelo sentuthuko yayo. I-Hanshang Hydraulic ihlose ukwakha uphawu oludumile emkhakheni we-hydraulic.
Inzuzo Yokusebenza Kahle Kokucindezela Okuphezulu
Ukucindezela okuphezulu ezinhlelweni ze-hydraulic kunikeza izinzuzo ezinkulu zokusebenza kahle. Izinhlelo ze-hydraulic ezinomfutho ophezulu zivame ukusebenza ngaphakathi kwebanga eliphakathi kuka-3,000 no-6,000 PSI (210 kuya ku-420 bar). Lolu hlu lokucindezela manje luyindinganiso yesimanje yezinhlelo zokusebenza eziphezulu. Imishini yokwakha esindayo, kufaka phakathi imishini yokumba kanye nemishini yokulayisha, ivame ukusebenza ngaphakathi kwalezi zinhlaka zokucindezela okuphezulu. Ukusebenza ngokucindezela okuphezulu kuvumela izingxenye ezincane ukuthi zidlulise inani elifanayo lamandla. Lokhu kuphumela emiklamo emincane kakhulu kanye nokwanda kwamandla okunamandla. Ibhulokhi elincane le-hydraulic lingaphatha amandla amakhulu, lenze imishini isheshe futhi ibe namandla ngaphandle kokwandisa indawo yayo iyonke. Lokhu kuzuza kokusebenza kahle kusekela ngqo umgomo we-Hanshang Hydraulic wokuhlinzeka ngemikhiqizo ye-hydraulic ezinzile nethembekile, ukuqinisekisa ukwaneliseka kwamakhasimende kanye nedumela lemakethe.
Izindlela: Indlela Amabhulokhi E-Hydraulic Acindezela Ngayo Ukucindezela Okuphezulu Akhulisa Ngayo Ukusebenza Kahle
Ukwanda Kwamandla Nokwakheka Okuncane
Amabhulokhi e-hydraulic anomfutho ophezulu ashintsha kakhulu indlela imishini esebenza ngayo. Avumela onjiniyela ukuthi baklame izinhlelo ezinamandla kakhulu ezindaweni ezincane. Izingcindezi zokusebenza eziphakeme zisho ukuthi izingxenye ezincane zingadlulisela inani elifanayo lamandla. Lokhu kuholela ekwandeni okukhulu kwamandla. Umklamo omncane, ohlanganisiwe uyisici esibalulekile. Lo mklamo uvumela ukuhlanganiswa okulula kokubili ezinhlelweni ze-hydraulic ezintsha nezikhona. Futhi kwenza kube lula ukugcinwa ngoba ochwepheshe bangakwazi ukusevisa ama-valve ngamanye ngaphandle kokuwahlukanisa wonke amabhulokhi. Ukuhlelwa okuhlanganisiwe kusindisa isikhala esibalulekile ngokuhlanganisa imisebenzi eminingi ye-valve ibe yinhlangano eyodwa. Lokhu kuhlanganiswa kunciphisa isisindo nosayizi wohlelo lwe-hydraulic. Izifunda ezilungiselelwe ngaphakathi kwebhulokhi ye-hydraulic zisiza ukufakwa futhi zisindise isikhala. Amabhulokhi e-hydraulic angahlanganisa imisebenzi eminingi yokulawula ibe yiyunithi eyodwa. Avame ukusebenzisaamavalvu ekhatriji anemisebenzi eminingiLokhu kuholela ekwakhiweni okubumbene kakhulu futhi kuvumela ukuziphatha okuyinkimbinkimbi kokulawula.
Ukulahlekelwa Amandla Okuncishisiwe kanye Nokuphathwa Okuthuthukisiwe Kokushisa
Izinhlelo ezivamile ze-hydraulic zivame ukulahlekelwa amandla ngezindlela ezahlukene. Amaphampu angathola ukuguguleka kwangaphakathi, okuholela ekuvuthweni koketshezi kanye nokucindezela okuncishisiwe. Ukuguguleka kwe-cavitation kungenzeka ngenxa yokudonswa koketshezi okunganele, okubangela umsindo nokuguguleka. Izinkinga zesistimu yokulawula kumaphampu okufuduka ahlukahlukene nazo zinegalelo ekulahlekelweni. Izinkinga ezihlobene noketshezi, njengokungcola noma i-viscosity engalungile, zisheshisa ukuguguleka kwezingxenye. Ukushisa okweqile, njengoketshezi olushisa kakhulu noma olubandayo, nakho kuthinta ukusebenza kahle. Izihlungi ezivalekile zidala ukwehla kwengcindezi. Ukuvuza kwangaphakathi kuamavalvu okulawulakanye nama-valve okusiza abekwe phansi kakhulu yizinkinga ezivamile zama-valve. Ukulahlekelwa yingcindezi kwenzeka emigqeni ngenxa yokungqubuzana kanye nokuphambuka kokugeleza. Kwenzeka futhi kuma-valve nezesekeli ezifana nezihlungi nama-cooler. Ukugoqa kuyimbangela ebalulekile yokulahlekelwa, ikakhulukazi ezinhlelweni zokucindezela eziqhubekayo. Ukulahlekelwa ukuvuza kwenzeka ezindaweni ezidinga ukuvalwa. Ukulahlekelwa kwamandla ezinhlelweni zama-hydraulic kwenzeka ikakhulukazi njengokulahlekelwa kwemishini ngenxa yokungqubuzana koketshezi. Ukulahlekelwa kwe-volumetric nakho kwenzeka ngenxa yokuvuza koketshezi lwangaphakathi. Ukugqama koketshezi okuphezulu kwandisa ukulahleka kwemishini. Ukugqama koketshezi okuphansi kuholela ekulahlekelweni okuphezulu kwe-volumetric. Amabhulokhi e-hydraulic anomfutho ophezulu anciphisa lokhu kulahlekelwa. Afeza lokhu ngokusebenzisa izindlela zangaphakathi ezilungiselelwe kanye namaphuzu okuxhuma ancishisiwe. Lokhu kuncipha kokulahlwa kwamandla kuthuthukisa ngqo ukuphathwa kokushisa. Amandla amancane aguqukela ekushiseni, agcina uhlelo lupholile futhi lwandise impilo yengxenye.
Ukulawula Okuthuthukisiwe Okunembile Nokusabela
Amabhulokhi e-hydraulic anomfutho ophezulu athuthukisa kakhulu ukunemba kokulawula kanye nokuphendula. Anezimbobo zokubhoboza ezinembile zokuxhumanisa uketshezi. Lezi zimbobo ziqinisekisa ukuhanjiswa koketshezi lwe-hydraulic okulahlekelwa kancane. Ziphinde zisebenze njengezindawo zokufaka ama-valve angena ngesikulufo, okuvumela ukulawula okunembile. Ukuhlanganisa ama-valve amaningi kanye nokuxhumeka kuyunithi encane kunciphisa amaphuzu okuvuza. Lokhu kunciphisa nokulahlekelwa yingcindezi. Umphumela uba ukulawula okunembile kokunyakaza kwemishini. Ukuhlanganiswa okuqhubekayo kwemisebenzi yokulawula kunciphisa amaphuzu okuxhuma. Lokhu kunciphisa imithombo yokuvuza engaba khona. Kuthuthukisa ukuthembeka kwesistimu iyonke kanye nokunemba kokulawula. Iziteshi zangaphakathi ezilungiselelwe ukugeleza, ezivame ukutholakala kumabhulokhi okulawula okusansimbi, zinciphisa ukumelana kokugeleza kanye nokulahlekelwa yingcindezi. Lokhu kuvumela ukulethwa koketshezi okulinganayo nokunembile kuma-actuator. Izimbobo ezibekwe kahle ngaphakathi kwebhulokhi ziqinisekisa ukuhanjiswa koketshezi lwe-hydraulic okusebenzayo nokungalahleki kakhulu. Lokhu kubalulekile ekulawulweni okunembile kwemishini esindayo.
Izindlela Zokugeleza Ezilungiselelwe kanye Nokuhlanganiswa Kwesistimu ku-Hydraulic Block
Ukuthuthukisa izindlela zokugeleza ngaphakathi kwebhulokhi ye-hydraulic kubalulekile ekusebenzeni kahle. Ukukhiqizwa okungeziwe, ikakhulukazi ngenqubo 'yokutshala imali eyengeziwe,' kuvumela ukwenziwa ngcono kwezindlela zokugeleza zangaphakathi. Lokhu kungenzeka ngenkathi kugcinwa i-geometry yangaphandle yebhulokhi. Le ndlela ithuthukisa ukusebenza kahle kokugeleza ngaphandle kokushintsha isici sangaphandle. Abaklami benza lula isekethe kawoyela ukuthi ibe lula ngangokunokwenzeka. Banciphisa inani lemigodi ejulile, imigodi egobile, kanye nemigodi yokucubungula. Baqinisekisa ukuthi ama-through-apertures anendawo eyanele yokugeleza, ikakhulukazi kumabhulokhi e-valve afanayo. Ama-Inlet nama-outlet abekwe ukuze avumelane nokuhlelwa kwesistimu iyonke kanye nokuxhumeka kwephayiphi. Ukuhlanganiswa kwesistimu ngaphakathi kwebhulokhi ye-hydraulic kuhlanganisa izindlela zokugeleza zibe yibhulokhi eyodwa eqinile. Lokhu kuqeda isidingo samapayipi angaphandle ayinkimbinkimbi. Lokhu kusetha kuthuthukisa ukulawulwa koketshezi, ukuphathwa kwengcindezi, kanye nesivinini sonke. Izingxenye ezibalulekile ezifana nama-valve aqondisayo, izixhumi zokucindezela okuphezulu, kanye nezindlela zangaphakathi ezisebenza ngomshini zisebenza ndawonye. Zinciphisa isikhala futhi zigcina ukulawula okunembile kokugeleza. Izindlela zangaphakathi ezifakwe ngomshini ku-5–7 µm ukunemba kobuso kunciphisa ukuphazamiseka kanye nokulahlekelwa kwamandla. Ukuhlanganisa ama-valve aqondisayo kanye nokulawula ukugeleza ngqo kubhulokhi eyinhloko ye-hydraulic kunciphisa amaphuzu okuvuza angaba khona. Futhi kunciphisa ukuxokozela kanye nokwehla kwengcindezi. Lokhu kuholela ekwandeni kokusebenza kahle kwamandla ngokunciphisa ukusetshenziswa kwamandla okungadingekile. Ukuhlanganiswa kunciphisa ukulahlekelwa kwengcindezi cishe ngamaphesenti angama-30 uma kuqhathaniswa nokusetha kwamapayipi endabuko. Izinhlelo zezimboni zibona ukwehla ngamaphesenti angama-60 kuya kwangama-80 ezindaweni ezingase zivuvuke. Ukubekwa kwama-valve aqinile ngaphakathi kwama-manifold kunganciphisa amazinga okushisa okusebenza ngama-degree Celsius ayi-12 kuya kwayi-15. Imiklamo ye-manifold e-compact ikhulisa ukusebenza kahle kwamandla ngamaphesenti ayi-12 kuya kwayi-15 emishinini yokwakha. Izakhiwo ezilungiselelwe i-CFD zifinyelela ukwehla kwengcindezi okuphansi okungafika ku-35% kunemiklamo evamile. Ukukhiqiza okungeziwe kunciphisa ukugeleza okuguquguqukayo ngo-60% kuma-manifold a-compact kanye nesisindo ngo-28% uma kuqhathaniswa namabhulokhi e-aluminium aqoshiwe.
Izinzuzo Ezibonakalayo Zemishini Yokwakha Enzima
Amabhulokhi e-hydraulic anomfutho ophezulu aletha izinzuzo ezibalulekile zemishini yokwakha esindayo. Lezi zinzuzo zithinta ngqo ukusebenza kahle, ukusebenza kahle kwezindleko, kanye nomthwalo wemfanelo wezemvelo.
Umnotho Kaphethiloli kanye Nezindleko Zokusebenza Ezincishisiwe
Izinhlelo ze-hydraulic ezinomfutho ophezulu zigcina uphethiloli ngokwemvelo. Zifeza umsebenzi ofanayo ngoketshezi oluncane, okunciphisa isidingo samandla enjinini. Lokhu kuholela ekusetshenzisweni kukaphethiloli okuphansi. Isibonelo, ubuchwepheshe obuthuthukisiwe be-hydraulic bubonisa ukuthuthuka okumangalisayo kokusebenzisa uphethiloli:
| Umthombo | Ubuchwepheshe | Uhlobo Lomshini | Ukuthuthukiswa Komnotho Kaphethiloli |
|---|---|---|---|
| Izixazululo Zamandla zeDanfoss | Ubuchwepheshe bephampu yokufuduka kwedijithali | Akucacisiwe (uhlelo lokusebenza olujwayelekile) | Ukusebenza kahle kuyanda ngo-15-30% |
| Imishini Yokwakha yeVolvo | I-actuator ye-hydraulic yedijithali | Umshini wokumba imigodi ongamathani angu-30 (ukuhlolwa kwesibonelo) | Ukuthuthukiswa kokusebenzisa kahle uphethiloli ngo-50% |
Ngaphandle kokonga uphethiloli, amabhlogo e-hydraulic anomfutho ophezulu anciphisa izindleko zokusebenza ngokuthuthukisa ukuqina nokwenza lula ukulungiswa. Izinhlelo eziklanywe ngefilosofi 'elula, egcwele amanzi' zivimbela ukwehluleka kanye nesikhathi sokungasebenzi esihambisanayo ezindaweni ezinzima. Lezi zakhiwo ze-hydraulic eziqinile zigwema ama-elekthronikhi abucayi kanye nezilawuli eziyinkimbinkimbi. Ukungabikho kwekhompyutha eyinkimbinkimbi, ama-relay, izixhumi, kanye nama-wiring harnesses kwenza ukuxazulula izinkinga nokulungisa kube lula futhi kusheshe kakhulu. Lokhu kunciphisa isikhathi umshini ongasebenzi ngaso. Lefilosofi yokuklama eqondile inegalelo ekwehliseni izindleko zokusebenza ngokunciphisa imvamisa kanye nobunzima bokulungisa.I-Hanshang Hydrauliciqinisekisa ukuthi imikhiqizo yayo inikeza ikhwalithi ezinzile kanye nokuthembeka, isekela ngqo lezi zinyathelo zokonga izindleko.
Uhlelo lwe-Sennebogen 870-E olusebenzisa wonke amanzi, olwakhelwe ukuqina nokuthembeka, luphinde lubonise izindleko zokusebenza ezincishisiwe. Luqeda isidingo sesofthiwe ekhethekile noma izingxenye 'zebhokisi elimnyama' zokuxazulula izinkinga. Lokhu kukhetha komklamo kuqinisekisa ukuthi umshini unamandla, kulula ukuwusebenzisa, futhi uwunakekela, uthembele kuphela ezingxenyeni eziqinisekisiwe. Lokhu kulula kuhumusha ngokuqondile ekwehliseni izindleko zokulungisa kanye nesikhathi esincane sokungasebenzi. Ukulungiswa kuba lula futhi kuyashesha ukukwenza.
Ukukhiqiza Okukhuphukile kanye Nezikhathi Zomjikelezo Osheshayo
Amabhulokhi e-hydraulic anomfutho ophezulu akhulisa kakhulu umkhiqizo ngokunika amandla izikhathi zomjikelezo ezisheshayo. Ama-hydraulic aqinile, avame ukufaka amaphampu e-axial piston, athuthukisa isivinini kanye nokunemba ekwakhiweni. Lezi zinhlelo zandisa amandla okuphakamisa kanye 'nesivinini sokundiza' kuma-excavator. Lokhu kwenza ngqo ukusebenza okusheshayo kanye nezikhathi zomjikelezo ezincishisiwe emishinini yokuphatha izinto.
Ama-hydraulic pressure intensifiers adlala indima ebalulekile ekusheshiseni imisebenzi yokwakha enzima. Anikeza amandla adingekayo emishinini efana nokucindezela kwe-hydraulic kanye nama-pile driver. Imininingwane yemboni ikhombisa ukuthi ukusebenzisa la ma-higherifier kungandisa amandla okukhipha ngamaphesenti afinyelela ku-50%. Lokhu kuchaza ngqo ukuqedwa kwephrojekthi okusheshayo. Kufinyelela ukungena okujulile ngemijikelezo embalwa ekusebenzeni njengokushayela i-pile.
Amabhulokhi e-hydraulic anomfutho ophezulu anegalelo ezikhathini zomjikelezo ezisheshayo ngokuvumela amazinga aphezulu okugeleza. Njengoba i-Volvo Excavator Hydraulics ichaza, “Ukugeleza kulawula isivinini somgubhu.” Ukugeleza okwandisiwe kuholela ngqo ekuqhumeni okusheshayo, ukunyakaza kwengalo, kanye nokunyakaza kwamabhakede. Lokhu kuvumela opharetha ukuthi baqedele imisebenzi ngokushesha. Ngaphezu kwalokho, 'i-Summation System' kaVolvo ihlanganisa ukugeleza okuvela kumaphampu e-hydraulic womabili. Lokhu kuqinisekisa izikhathi zomjikelezo ezisheshayo kanye nokukhiqiza okuphezulu, ikakhulukazi ezinhlelweni ezidinga kakhulu njengokuhambisa umhlaba ngezinga elikhulu.
Isikhathi Sokuphila Sengxenye Esandisiwe Nokuthembeka
Amabhulokhi e-hydraulic anomfutho ophezulu anegalelo ekwandiseni isikhathi sokuphila kwezingxenye kanye nokuthembeka kwesistimu iyonke. Izindlela zawo zangaphakathi ezilungiselelwe kahle kanye namaphuzu okuxhumana ancishisiwe kunciphisa ukulahleka kwamandla. Lokhu kunciphisa imfucuza yamandla kuthuthukisa ngqo ukuphathwa kokushisa. Amandla amancane aguqulwa abe ukushisa, okugcina uhlelo lupholile. Amazinga okushisa okusebenza apholile anciphisa ukucindezeleka ezivalweni, emapayipini, nakwezinye izingxenye. Lokhu kuvimbela ukuguguleka kwangaphambi kwesikhathi futhi kwandise isikhathi sazo sokusebenza.
Umklamo ohlangene nohlanganisiwe wala mabhulokhi nawo unciphisa inani lamaphuzu okuvuza angaba khona. Ukuvuza okuncane kusho ukungcola okuncane koketshezi kanye nokuvezwa okuncane ezintweni zangaphandle. Lokhu kuvikela izingxenye zangaphakathi ekulimaleni.I-Hanshang HydraulicUkuzibophezela kuka-'s emikhiqizweni esezingeni eliphezulu nezinzile kuqinisekisa ukuthi la mabhulokhi ahlangabezana nezindinganiso eziqinile. Lokhu kuthuthukisa ukuthembeka kohlelo lonke lwe-hydraulic. Ifilosofi yokuklama eqinile, ebeka phambili ukuqina nobulula, isho futhi izingxenye ezimbalwa eziyinkimbinkimbi ezingase zingasebenzi. Lokhu kuholela emshinini othembekile onesikhathi esincane sokulungisa.
Umthelela Wezemvelo Nokuzinza
Amabhulokhi e-hydraulic anomfutho ophezulu adlala indima ebalulekile ekunciphiseni umthelela wemvelo wemishini yokwakha esindayo. Izinhlelo zesimanje ze-hydraulic zenzelwe ukonga amandla. Zihlanganisa ubuchwepheshe obufana nokushayela isivinini esiguquguqukayo kanye nezinhlelo zokuzwa umthwalo. Lezi zinhlelo zithuthukisa ukusetshenziswa kwamandla ngokulungisa isivinini sephampu kanye nomfutho ngokuya ngesidingo. Amasekethe okuvuselela anciphisa ukusetshenziswa kwamandla ngokubamba nokusebenzisa amandla kabusha.
Imboni ye-hydraulic iqhubekela phambili ekuxazululeni izixazululo ezisebenzisa amandla ngendlela eyongayo. Ihlose ukunciphisa umthelela emvelweni ngaphandle kokubeka engcupheni ukusebenza. Ubuchwepheshe obusha kanye nemiklamo yesistimu ehlakaniphile kuvela ukuze kuhlangatshezwane nale nselele. Ukwenza ngcono ukusetshenziswa kwamandla kuyisinyathelo esibalulekile ekuqhubekeni nasekugcineni izindleko zokusebenza.
Amabhulokhi e-hydraulic anomfutho ophezulu anegalelo ekunciphiseni ukuthinteka kwemvelo ngezici eziningana ezibalulekile:
- Ukukhishwa kwekhabhoni okuncishisiwe.
- Ukunciphisa imfucuza yezinto ezibonakalayo.
- Ukuhambisana nezinto ezivikela imvelo ezifana nomlotha wezimpukane kanye nezinto eziphinde zasetshenziswa.
- Ukuncipha kwethonya lemvelo, okusekela imikhuba yokwakha esimeme.
Lokhu kuthuthuka kuhambisana nomgomo weHanshang Hydraulic wokwakha uphawu oludumile emkhakheni we-hydraulic. Banikeza izixazululo ezinamandla futhi ezinakekela imvelo.
Amabhulokhi e-hydraulic anomfutho ophezulu ayisisekelo sokusebenza kahle kakhulu emishini yokwakha yesimanje esindayo. Anikeza amandla amaningi ngephakheji encane, elawulwayo, neyonga amandla. Lokhu kunikeza izinzuzo ezibalulekile zokusebenza. Lawa mabhulokhi e-hydraulic abalulekile ekukhuliseni umkhiqizo kanye nenzuzo embonini yokwakha.
Imibuzo Evame Ukubuzwa
Iyini ibhulokhi ye-hydraulic enomfutho ophezulu?
Ibhlokhi ye-hydraulic enomfutho ophezulu ihlanganisa ama-valve ahlukahlukene e-hydraulic kanye nezingxenye. Ithatha indawo yamapayipi endabuko. Leli bhlokhi lilawula ukusatshalaliswa kwamafutha,izinguquko zesiqondiso, kanye nokulawulwa kwengcindezi ngaphakathi kohlelo lwe-hydraulic.
Amabhulokhi e-hydraulic anomfutho ophezulu athuthukisa kanjani ukonga kukaphethiloli?
Amabhulokhi anomfutho ophezulu anciphisa ukulahlekelwa amandla ngokusebenzisa izindlela zangaphakathi ezilungiselelwe kahle. Anezindawo zokuxhuma ezimbalwa. Lokhu kunciphisa amandla achithekayo, okusho ukuthi isidingo esincane enjinini. Lokhu kunciphisa ngqo ukusetshenziswa kukaphethiloli.
Yiziphi izinzuzo zomklamo wazo omncane?
Imiklamo emincane ivumela amandla engeziwe ezindaweni ezincane. Lokhu kwandisa ubuningi bamandla. Kwenza kube lula nokugcinwa futhi kunciphisa isisindo kanye nosayizi wohlelo lwe-hydraulic. Lokhu kwenza imishini isheshe kakhulu.