Ukukhethwa Kwephampu Yezitshalo Zokubumba Injection zase-Southeast Asia: Izinga Lokugeleza kanye Nemininingwane Yokucindezela

Izinto Ezibalulekile Okufanele Uzicabangele

Ngesikhathi ngingena eshabhu lami lokuqala lokubumba i-injection eShenzhen ngo-2009, induna yanginika ikhathalogi egugile yathi, “Khetha eyodwa efanelana nawe.” Ngachitha izinsuku ezintathu ngiqhathanisa amamodeli ephampu nezifunda ze-hydraulic ngaphambi kokuba ngiqonde ukuthi inqubo yokukhetha “ifanelana” imbi kangakanani. Eminyakeni eyishumi nanhlanu kamuva, ngisize izimboni eziningi zaseNingizimu-mpumalanga ye-Asia—kusukela ezitolo zokuzilibazisa ezingamathani angu-50 eHo Chi Minh City kuya emizileni ezenzakalelayo engamathani angu-3,000 eBangkok—ngikhethe iphampu ye-vane efanele ukusetshenziswa kwayo. Nakhu engikufundile, futhikungani inqubo yokukhetha abahlinzeki bephampu ye-vane ibaluleke kakhulu kunalokho abathengi abaningi abakuqaphelayo.

Ukusebenza kwe-Vane Pump kuzinhlelo zokusebenza zokubumba i-High-Cycle Injection Molding

Ukubumba ngomjovo kungenye yezindlela ezidinga kakhulu ukusetshenziswa kwe-hydraulic ekukhiqizeni. Umshini kumele ulethe uketshezi oluqondile, olunomfutho ophezulu kusikulufu esifaka i-polymer encibilikisiwe esikhumbeni ngesivinini esingaphezu kuka-500 mm/s, bese ubamba lowo mfutho ungashintshi isikhathi somjikelezo wokupholisa.Ngenxa yokuthi amaphampu e-vane alinganiswe ngokwemvelo ekwakhiweni kwawo, akhiqiza ukugeleza okunengcindezi encane kakhulu.—futhi lokho kuzinza yikho kanye okuhlukanisa ingxenye enhle nokwenqatshwa okuvame ukuphazima kweso.

Ngesikhathi ngivakashela imboni yezingxenye zezimoto yaseThailand ngo-2023, umphathi wabo wokulungisa wangibonisa iqembu lezinto ezilahliwe ezazinezinsalela zesango ezingabonakali kahle—uphawu oluvamile lokucindezela komjovo okungaguquki. Amaphampu abo egiya angalingani ayehamba ngesivinini esiphezulu ku-175 bar ene-pressure ripple engu-±8 bar. Sawashintsha ngamaphampu e-vane alinganisiwe avela ku-I-Vicks Hydraulic, futhi lelo qhubu lehle laya ku-±1.5 bar. Izinga lokwenqatshwa lehle lisuka ku-4.2% laya ku-0.6% phakathi namasonto amabili.

Amaphampu e-Vane aphumelela ekubunjweni komjovo ngezizathu ezintathu zesakhiwo:

• Umklamo olinganiselayo uqeda ukulayisha kwe-radial.Ipuleti lembobo eliyindilinga kuphampu ye-vane elinganiselayo lisho ukuthi umgodi awuboni amandla e-radial aphelele, ngakho-ke ukuguguleka kwamabhere kuncishiswe kakhulu uma kuqhathaniswa namaphampu egiya noma e-piston asebenza ngokucindezela okufanayo.
• Isandiso se-vane esizikhokhelayo.Njengoba ama-vane eguga, indlela efakwe entwasahlobo igcina ukuxhumana nendandatho yekhamera—okusho ukuthi iphampu igcina ukusebenza kwayo kahle kwevolumu ngisho noma iguga. Kuphampu yegiya, ukuguga akunakulungiseka futhi ukusebenza kahle kuyehla ngokulandelana.
• Ukusebenza okuthule ngesivinini esiphezulu.Ukubumba ngomjovo kusebenza ngesivinini esiphezulu sokujikeleza, okusho ukuthi iphampu ivame ukusebenza eduze kwe-RPM yayo ephezulu. Amaphampu e-Vane aphatha lokhu ngaphandle kokukhala okwenza amayunithi e-hydraulic ephampu yegiya abe yingozi yokuzwa ezitezi zezitshalo ezingavikelwe kahle.

Izinga Lokugeleza: Okuguquguqukayo Okulawula Isikhathi Somjikelezo Wakho

Uma ingcindezi ingamandla agcwalisa isikhunta, izinga lokugeleza yijubane lawo mandla alethwa ngalo.Ngenxa yokuthi isikhathi somjikelezo wokubumba umjovo sihlobene ngqo nesikhathi sokugcwalisa, izinga lokugeleza kwephampu ye-hydraulic liba yisithiyo esiyinhloko sokuphuma kwamandla.—hhayi amabhande okushisa, hhayi iziteshi zokupholisa, futhi akuvamile ukuthi kube nomklamo wesikhunta ngokwawo.

Ubudlelwano buqondile: ipompo eletha amalitha angu-60/min izogcwalisa ingxenye ejwayelekile ye-PP engu-250g cishe ngemizuzwana engu-2.1. Ipompo efanayo kumalitha angu-30/min ithatha imizuzwana engu-4.2. Esitshalweni esisebenza imijikelezo engu-15,000 ngosuku, lowo mehluko umele imizuzwana engu-31,500 eyengeziwe—noma amahora angu-8.75—yesikhathi somshini ngosuku, ngokucindezela okukodwa.

Ukuqhathanisa Izinga Lokugeleza Ne-Clamp Tonnage

Akuwona wonke amazinga okugeleza kwephampu afanela wonke usayizi womshini. Nasi isiqondiso sobunjiniyela engisisebenzisayo lapho ngilinganisa iphampu yomshini wokubumba ngomjovo:

Ukuqonda okubalulekile lapha ukuthi ukwenza ipompo ibe nkulu kakhulu kuyinkinga njengokuyibeka ngaphansi.Iphampu enikeza amalitha ayi-100/min kumshini wokucindezela wamathani ayi-100 izobangela ukuzulazula kwepayipi kanye ne-manifold, ikhiqize ukushisa futhi yandise ingozi yokwehluleka kokuvala. Umthetho engiwulandelayo: fanisa ukufuduka kwephampu ukuze ulethe isikhathi sokugcwalisa okuqondiwe ngenkathi ugcina ijubane lomugqa lingaphansi kwama-6 m/s epayipini lokucindezela.

Indlela Isimo Sezulu SaseNingizimu-mpumalanga ye-Asia Esithinta Ngayo Ukukhethwa Kwezinga Lokugeleza

Nasi isici esingajwayelekile ukuthi amakhathalogi abhekane naso: izinga lokushisa elizungezile. Izitshalo eBangkok, eHo Chi Minh City, naseManila zihlala zisebenza ngamazinga okushisa aphansi ezitolo angu-35–40°C.Ngenxa yokuthi i-hydraulic oil viscosity ikhuphuka kakhulu ngaphansi kuka-25°C futhi iba mncane ngendlela eyingozi ngaphezu kuka-60°C, ifasitela lokushisa lokusebenza ezitshalweni zaseNingizimu-mpumalanga ye-Asia lincane kunalokho abathengi baseYurophu abakucabangayo..

Lokhu kusho ukuthi iphampu ecacisiwe yephansi le-workshop laseYurophu elingu-20°C izobona ukusebenza kwayo kwevolumu kwehla ngo-8–12% efektri yaseThailand engenamibandela. Uma ngicacisa amaphampu kumakhasimende alezi zimo, ngihlala ngincoma ukwandisa isilinganiso sokufuduka ngo-15% ukuze ngibuyisele. Kuyindleko encane kusengaphambili egwema isikhathi esikhulu sokungasebenzi kamuva.

Imininingwane Yokucindezela: Ngale Kwenombolo Yeshidi Ledatha

Ishidi ledatha ngalinye lephampu ye-vane lihamba phambili ngesilinganiso esiphezulu sokucindezela—ibha engu-140, ibha engu-175, ibha engu-210. Lezi zinombolo ziyadingeka kodwa azanele.Ngenxa yokuthi ukubumba ngomjovo kudinga ingcindezi yokubamba eqhubekayo imizuzwana engu-2-8 ngomjikelezo ngamunye, isilinganiso sokucindezela esiqhubekayo sephampu sibaluleke kakhulu kunesilinganiso saso esiqhubekayo..

Ake ngichaze ukuthi kungani ngesibonelo esiqondile esivela endaweni yethu yokukhiqiza. Uchungechunge lwethu lwe-VQH lulinganiselwe ku-175 bar continuous, kodwa sihlola yonke iyunithi ku-210 bar intermittent imijikelezo engu-500,000 ngaphambi kokukhululwa. Yileyo indinganiso engiyibambe ekukhiqizeni kwethu, ngoba ngiyazi ukuthi ekubunjweni kwangempela komjovo, isekethe ye-hydraulic ayiphumuli.

Ukuqonda i-Pressure Ripple kanye nomthelela wayo ekhwalithini yengxenye

I-pressure ripple iwukuhlukahluka kwengcindezi yokukhipha ezungeze indawo ebekwe kuyo—okubangelwa ukucindezelwa okujikelezayo kanye nokukhululwa koketshezi lwe-hydraulic njengoba iqembu elijikelezayo lephampu lidlula emigudwini yalo yokungenisa kanye nokukhipha.Ekubunjweni komjovo, i-ripple ibonakala njengokungahambisani kahle kwemigqa eboshiwe kanye nezithombe ezimfushane ngezikhathi ezithile ezicasulayo ukuxazulula inkinga.ngoba zibonakala zingahleliwe.

Amaphampu e-vane alinganiselayo afinyelela i-pressure ripple ephansi njenge-±1 bar ku-1,800 RPM, uma kuqhathaniswa ne-±5 kuya ku-±8 bar kumaphampu egiya ngezimo ezifanayo. Uma usebenza ku-175 bar hold pressure, lowo mehluko we-14 bar peak-to-peak yi-margin phakathi kwengxenye edlula njalo i-QC enesilinganiso kanye nenye engayidluli.

Ukulawulwa Kokufuduka: Okuguquguqukayo vs. Okulungisiwe

Ngezicelo zokubumba ngomjovo, cishe njalo ngincoma i-iphampu ye-vane yokufuduka eguquguqukayo ekhokhelwa ukucindezelangaphezu kwemodeli yokufuduka engaguquki. Isizathu sicacile: ukubumba ngomjovo kunezigaba ezimbili ezihlukene—ukugcwalisa nokubamba—okudinga amazinga okugeleza ahlukene avela kuphampu efanayo.

Ngesikhathi sokugcwalisa, isikhunta asibi nalutho futhi isekethe ye-hydraulic idinga ukugeleza okuphezulu ngokucindezela okumaphakathi. Ngesikhathi sokubamba, isikhunta sigcwele futhi isekethe idinga ukugeleza okuncishisiwe ngokucindezela okuphezulu. Iphampu yokuhambisa engaguquki ichitha amandla amakhulu ngesikhathi sesigaba sokubamba, ilahla uketshezi ku-valve yokusiza. Iphampu eguquguqukayo ekhokhelwa ngokucindezela inciphisa ngokuzenzakalelayo ukufuduka lapho ingcindezi isondela endaweni ebekwe kuyo, inciphise ukusetshenziswa kwamandla ngo-25-35% ngesikhathi sesigaba sokubamba.

Embonini esebenzisa imishini yokucindezela engu-20 amahora angu-18 ngosuku, lokho kunciphisa amandla okungu-25-35% kusho izinkulungwane zamaRandi ngenyanga.Uma ngibala izindleko eziphelele zobunikazi bekhasimende, ngihlala ngiyimodeli yokonga amandla kweminyaka emi-5 kusuka kumaphampu okufuduka aguquguqukayo uma kuqhathaniswa nezindleko zawo zangaphambilini eziphakeme ngo-20-30%.—futhi iphampu eguquguqukayo iwina ezimweni ezingu-11 kwezingu-12 engizihlaziyile.

Inqubo Yokukhiqiza: Indlela Ukunemba Embonini Okuba Ngayo Ukunemba Emaphephandabeni Akho

Ngifuna ukuhlehlisa ikhethini lokuthi amaphampu e-vane enziwa kanjani ngempela, ngoba ukuqonda inqubo yokukhiqiza kuyindlela kuphela yokuhlola ukuthi umhlinzeki angaletha ikhwalithi efanayo yini ngezinga.Umehluko phakathi kwephampu ye-vane ehlala iminyaka engu-8 kanye nephampu engasebenzi kahle ezinyangeni ezingu-18 uvame ukunqunywa ekusetshenzisweni kwezingxenye ezintathu: indandatho yekhamera, ipuleti le-port, kanye nezihlalo ezithwala umgodi..

Umshini Wokuchwephesha Wendandatho Yekhamera

Indandatho yekhamera (ebizwa nangokuthi indandatho yerotor noma i-cartridge) iyinhliziyo yepompo ye-vane. Inquma ukufuduka ngokujikeleza ngakunye kanye ne-kinematics ye-vane eshelelayo. Kumapompo e-vane alinganiselayo, indandatho yekhamera iyinsimbi eyodwa enesicucu esinephrofayili yangaphakathi ye-elliptical. Ukubekezelelana kule phrofayili kungu-±0.015 mm ekukhiqizweni kwezinga lomhlaba. KwaVicks Hydraulic, sisebenzisa ama-cam ring ethu ngokugaya i-CNC nge-in-process laser gauging—ingxenye ngayinye ilinganiswa ngaphambi kokuba iphume emshinini, hhayi isampuliwe ngemuva kweqembu.

Ngenxa yokuthi iphrofayili ye-elliptical yendandatho yekhamera inquma i-geometry yokugeleza kwephampu, noma yikuphi ukuphambuka kusuka ku-spec kubangela ukungalingani kwengcindezi okungenakukwazi ukukukhokhela i-vane.Indandatho yekhamera engaphandle kwendilinga iveza izinkinga ezifanayo zokucindezela engizichazile ekuqaleni. Ngivakashele izimboni lapho izinga lokwenqatshwa lehla khona ngokungaqondakali ngemva kokushintsha abahlinzeki—imbangela eyinhloko kwakuwumhlinzeki one-QC elinganisa ingxenye ngayinye yeshumi, hhayi yonke ingxenye.

Ipuleti Lechweba: Lapho Ukunemba Kuhlangana Nokuqina

Ipuleti lembobo liyisici esimile esihambisa uketshezi lungene futhi luphume ekamelweni lokupompa ngamafasitela ahambisana nokujikeleza kwerotor. Ukuphela kobuso bayo kanye nokuba buthambile kubalulekile: ukuqina kwe-Ra 0.4 μm noma ngaphezulu ebusweni bepuleti lembobo kuyadingeka ukuvimbela ukuvuza kwangaphakathi okonakalisa ukusebenza kahle kwevolumu.

Sisebenzisa ukwelashwa kwendawo okuqondene ngqo kuma-port plate ethu okwandisa ubulukhuni bendawo bube yi-58–62 HRC ngenkathi sigcina ukuqeda kwe-Ra 0.4 μm.Ukwelashwa kuvimbela ukuxhumanisa okuncane okuthuthuka kuma-port plate ajwayelekile ngemva kwamahora okusebenza angu-2,000–3,000—isimo esibangela ukusebenza kahle kwehle yize ama-vanes nama-bearings kusesengaphakathi kwemingcele ethile.

Ukulawulwa Kwekhwalithi Ngesilinganiso: Amayunithi angu-80,000 Ngonyaka

Omunye wemibuzo evame kakhulu engiyithola kubaphathi bokuthengwa kwempahla uthi: “Uligcina kanjani ikhwalithi ngobuningi bokukhiqiza obuphezulu?” Impendulo yami ukuthi ubukhulu kanye nekhwalithi akunankinga uma inqubo yakho iklanywe kahle.KwaVicks Hydraulic, imigqa yethu yokukhiqiza eyisithupha esezingeni lomhlaba ixhunywe eziteshini zokuhlola ezenzakalelayo ezisebenzisa yonke ipompo ngokuhlolwa kokusebenza kwemizuzu engama-45 ngaphambi kokuba ivunyelwe ukuthunyelwa..

Ukuhlolwa ngakunye kulinganisa: ukusebenza kahle kwevolumu ku-1,200 kanye no-1,800 RPM; ingcindezi egelezayo ku-140 kanye no-175 bar; izinga lomsindo ku-1 meter; kanye nokugeleza kokukhipha amanzi ekhesini kungcindezi ephezulu. Iphuzu ngalinye ledatha lilogwa ngenombolo ye-serial. Uma ikhasimende lishayela ucingo ngombuzo wokusebenza, ngingadonsa umbiko wokuhlola weyunithi yalo ethile zingakapheli imizuzwana engama-90. Yilolo hlobo lokulandelela olungenakuhlinzekwa yi-batch QC.

Ngokusho kwe-IKomidi le-ASTM F3 mayelana namandla oketshezi, amaphampu e-vane asebenza ezinhlotsheni zokubumba nge-injection zezimboni kufanele abonise ukusebenza kahle kwe-volumetric okungu-92% noma ngaphezulu ezimweni ezilinganiselwe—izinga esilidlulayo ngokuklama libe ngu-94% ubuncane esitezi sethu sokuhlola.

Izindleko Eziphelele Zobunikazi: Kungani Intengo Yokuthenga Iyinombolo Edukisayo

Ngibone amaqembu okuthenga ekhetha abahlinzeki be-vane pump ngentengo yeyunithi kuphela, futhi ngibone izitshalo ezifanayo zibhekene nobunzima bezindleko zokulungisa ezikhuphukayo eminyakeni emibili kamuva.Ngenxa yokuthi amasekethe e-hydraulic okufaka umjovo awathetheleli—isikhathi ngasinye sokungasebenzi esingahlelelwe kumshini wokunyathelisa sibiza u-$200–$500 ngehora ekukhiqizweni okulahlekile—izindleko zangempela zephampu azikaze zibe yintengo yokuthenga..

Izindleko Zangaphambili vs. I-TCO Yeminyaka Emi-5

Nasi isiqhathaniso sezindleko esijwayelekile engisikhiphile samakhasimende esiqhathanisa iphampu ye-vane elinganiselayo (uchungechunge lwe-Vicks VQH, $1,850/iyunithi) ngokumelene nephampu yegiya engalinganiseli ($780/iyunithi) yomshini wokucindezela wamathani angu-250 osebenzisa imijikelezo engu-6,000 ngosuku:

Iphampu ye-vane elinganiselayo ibiza kancane ngo-4.9× eminyakeni emihlanu—inani elibonakala lingenakwenzeka uze ucabangele u-$4,800 ngesikhathi sokungasebenzi esingahleliwe esibangelwa yiphampu eshibhile. Ngokwami, imicimbi yokulungisa ayisakazwa ngokulinganayo: iphampu yegiya izosebenza ngokwethembeka izinyanga ezingu-12-18, bese idinga ukwakhiwa kabusha, bese isebenza ezinye izinyanga ezingu-8, bese yehluleka kakhulu ngesikhathi sokusebenza ebusuku lapho kungekho muntu obukayo.

Ukuvumelana Kweqembu: Kungani Kubalulekile Ngaphezu Kokucabanga Kwakho

Uma uthenga amaphampu angu-20 omugqa omusha noma amaphampu angu-50 okuthuthukisa izimoto, ukuhambisana kweqembu kubaluleke kakhulu.Umhlinzeki osebenzisa amaphampu angu-500 bese ethumela amaphampu angu-50 angcono kakhulu “njenge-premium” ngenkathi ethengisa amanye njengoba ejwayelekile akayena umhlinzeki omfunayo.—ngoba awunandlela yokwazi ukuthi iyunithi yakho ivela kuliphi izinga.

KwaVicks Hydraulic, sisebenzisa incazelo eyodwa yawo wonke amayunithi okukhiqiza. Wonke amaphampu aphuma phansi kwethu ahlangabezana nezindinganiso ezifanayo zokuhlola. Umehluko kuphela phakathi kwamalebula ethu ajwayelekile kanye namalebula aphezulu ubuhle—umbala wopende kanye nokucushwa kwembobo. Uma iyunithi ihluleka ukuhlolwa kwayo, iyalahlwa, hhayi yehliswa. Silahla cishe u-1.8% wokukhiqiza. Abanye abancintisana nabo balahla ngaphansi kuka-1%—okuzwakala kungcono uze uqaphele ukuthi izindlela zabo zokuhlola nazo aziqinile.

Izitifiketi zeMakethe Yezolwandle Nezimboni zaseNingizimu-mpumalanga ye-Asia

Uma ufuna amaphampu emishini yokubumba ngomjovo ezogcina ithunyelwe kwamanye amazwe ezindaweni zokusebenza zasemanzini noma zasogwini lolwandle—noma uma isitshalo sakho sisendaweni yezimboni eseduze nendawo yemikhumbi—izidingo zesitifiketi ziyashintsha kakhulu.Izitifiketi zasemanzini akuzona nje izithiyo zikahulumeni; zimelela ukuqinisekiswa kobunjiniyela bangempela kobuqotho bengcindezi, ukulandeleka kwezinto ezibonakalayo, kanye nokuqina kwesistimu yekhwalithi..

I-Vicks Hydraulic ihlanganyela kumakomidi kazwelonke okubuyekezwa kwezinga lezingxenye ze-hydraulic, okusho ukuthi ithimba lethu lobunjiniyela lihileleke ngqo ekubekeni amazinga okumele imikhiqizo yethu iwahlangabezane nawo.Lesi akusona isitatimende sokumaketha—yingakho singanikeza imikhiqizo eqinisekisiwe ye-CCS, DNV, ABS, BV, kanye ne-LR enokulandelela okugcwele kwezinto ezibonakalayo.sibuyele kubaphakeli bethu bensimbi.

Kubathengi baseVietnam, eThailand nase-Indonesia abafuna izimpahla zokukhiqiza eduze kolwandle, izitifiketi ezibalulekile okufanele baziqinisekise yilezi:

• I-CCS (i-China Classification Society):Kuphoqelekile kunoma iyiphi ingxenye ye-hydraulic efakwe emikhunjini noma emikhunjini enefulegi laseShayina esebenza emanzini aseShayina
• I-DNV (Det Norske Veritas):Yamukelwa kabanzi kuyo yonke imisebenzi kawoyela negesi yaseNingizimu-mpumalanga ye-Asia
• I-ABS (Ihhovisi Lokuthumela LaseMelika):Kukhethwa ngabanikazi bemikhumbi abanefulegi lase-US noma abanentshisekelo yomshuwalense
• I-BV (i-Bureau Veritas):Ukuba khona okuqinile ezimakethe zokuthumela ngemikhumbi zaseFrance naseNingizimu-mpumalanga ye-Asia
• LR (Irejista kaLloyd):Okwakuthandwa kakhulu yizintshisekelo zokuthumela ngemikhumbi zase-UK kanye ne-Commonwealth

Imibuzo Eyisikhombisa Yokuqinisekisa Ukujula Kobuchwepheshe Komhlinzeki Wakho We-Vane Pump

Ngaphambi kokuba uzibophezele ku-oda lokuthenga, ngincoma ukuthi ubuze umhlinzeki wakho le mibuzo emihlanu—noma yimuphi umenzi othembekile kufanele akwazi ukuyiphendula yonke:

1. "Unganginika umbiko wokuhlolwa kwenombolo ethile yochungechunge engiyithengayo?"Uma impendulo ithi “singathumela isitifiketi esijwayelekile,” hamba. Izitifiketi zeqembu zisho ukuthi akekho ohlole iyunithi yakho ethile.
2. "Ingakanani indlela osebenza ngayo ngevolumu ezimweni ezilinganiselwe, futhi uyilinganisa kanjani?"Impendulo kufanele ibe “94%+ ku-1,800 RPM, ibha engu-175, elinganiswa ngokwe-ISO 4409 ngayinye.”
3. "Ingakanani izinga lakho langempela lokulahlekelwa yizinto ezindala?"Abahlinzeki abathi imfucuza ecishe ibe yi-zero ayinazo izivivinyo ezanele noma abathembekile. Sihlose u-1.5–2.0% bese sikushicilela.
4. "Ingabe kukhona okuvunyelwe yinhlangano yokuhlukaniswa kwezinhlobo zasolwandle, futhi ngingakuqinisekisa?"Zonke izitifiketi kufanele ziqinisekiswe kuwebhusayithi yenhlangano ekhiphayo.
5. "Isikhathi sakho sokukhiqiza singakanani ukuze uthole i-oda eliphindaphindwayo?"Uma usebenzisa isitshalo esinemishini yokunyathelisa engu-15, udinga umhlinzeki ongaletha iyunithi yokufaka esikhundleni zingakapheli izinsuku ezingu-5-7 zebhizinisi, hhayi ezingu-45.

Sakhe ingqalasizinda yethu yokukhiqiza kanye neyokuthutha ukuze siphendule lowo mbuzo wokugcina. Lapho ikhasimende laseVietnam lisishayela ucingo ngo-11 ebusuku liphethe iphampu engasebenzi kahle emzileni walo oyinhloko, sasineyunithi yokufaka esikhundleni endizeni esuka eHangzhou iya eHo Chi Minh City ngo-8 ekuseni ngakusasa.Lokho akuyona indawo yokusebenzela amakhasimende—kuyiqiniso lokusebenza kwesitshalo se-hydraulic ngezinga elikhulu..