Onye na-eweta ngwaọrụ owuwu ihe owuwu ruo afọ iri atọ.
Asụsụ
Onye na-eweta ngwaọrụ owuwu ihe owuwu ruo afọ iri atọ.
N'ahịa igwe eji arụ ụlọ na-asọ mpi taa, Kubota, dị ka nnukwu ụlọ ọrụ mmepụta ihe nke Japan nwere akụkọ ihe mere eme nke ihe karịrị afọ 130, enwetala aha ọma zuru ụwa ọnụ maka ngwaahịa mkpirisi nke ngwupụta ihe. Dị ka onye na-emepụta ihe na-arụkọ ọrụ ọnụ na-arụkọ ọrụ ọnụ na akara Kubota, anyị na-aghọta nke ọma uru dị iche iche nke Kubota excavators na usoro nke ike usoro, mmanụ ụgbọala arụmọrụ, ntụkwasị obi na gburugburu ebe obibi arụmọrụ. N'isiokwu a, anyị ga-enyocha nke ọma uru teknuzu nke Kubota's excavator engines na, site na ntụnyere ebumnobi ya na ndị asọmpi yiri ya, na-egosi ihe kpatara Kubota ji na-aga n'ihu na-eduzi ụlọ ọrụ mini excavator na teknụzụ.
Ihe Nketa Akara Kubota na Ọkachamma na igwe nrụpụta
Kubota Corporation, nke hiwere na 1890, nwere ogologo akụkọ ihe mere eme nke ihe karịrị afọ 130 ma bụrụ ụlọ ọrụ benchmark na ngalaba nke nrụpụta igwe na Japan na gburugburu ụwa. Ụlọ ọrụ nke narị afọ gara aga malitere dị ka ebe a na-emepụta ihe ma ghọọ nnukwu ụlọ ọrụ mmepụta ihe nke na-agbasa n'ọtụtụ ebe, gụnyere ígwè ọrụ ugbo, ngwá ọrụ ihe owuwu, mmepụta engine, na nkà na ụzụ gburugburu ebe obibi. N'ihe gbasara ígwè ọrụ ihe owuwu, Kubota nọ na-elekwasị anya na mmepe na imepụta kọmpat ndị na-egwupụta ihe kemgbe ọ malitere imepụta ha na 1974, a na-amatakwa ya dị ka onye ndu ụwa na kọmpat excavator technology.
Na Nọvemba 2003, e hiwere Kubota Construction Machinery (Shanghai) Co., Ltd., na-akara akara ntinye nke Kubota nke ahịa China na maapụ atụmatụ ya zuru ụwa ọnụ, na-eme ka ọ bụrụ isi ahịa nke anọ na-esote Japan, North America na Europe. Site na nguzobe nke netwọk nke ndị na-ere ahịa ọkachamara na ndị ọrụ na-ahụ maka ọrụ na China niile, Kubota ga-enye ndị ahịa China ngwaahịa ya dị mma nke ụwa. Ọ bara uru ịkọwa na Kubota anọgidewo na-eduga n'ọkwá dị elu n'ahịa mini excavator zuru ụwa ọnụ ruo ogologo oge, nke a na-apụghị ịpụ apụ na atụmatụ ya nke ilekwasị anya na akụkụ ahịa - n'adịghị ka ụdị ndị ọzọ na-agbaso usoro mkpuchi ngwaahịa zuru oke, Kubota na-ahọrọ ịkụ ala miri emi n'ime obere ihe gwuputa ihe na-elekwasị anya na akụ ya nwere oke na ahịrị ngwaahịa kachasị asọmpi1. Ọganihu nke ndị na-egwupụta egwu Kubota bụ ihe pụrụ iche.
Ihe ịga nke ọma nke ndị na-egwupụta ihe nke Kubota abụghị ihe mberede, ma dabere na ogidi isi atọ: nke mbụ, ikike ịnọgide na-eme nchọpụta na mmepe, na ihe dịka 5% nke ahịa na-etinye na R & D kwa afọ; nke abụọ, usoro njikwa mma siri ike, nke a na-anwale injin na igwe niile maka ịdịte aka na gburugburu ebe dị oke egwu; na nke atọ, a keukwu mgbe-ire ahịa netwọk na-ahụ na ndị ọrụ nwere ike nweta n'oge oru nkwado na akụkụ ọkọnọ n'ebe ọ bụla n'ụwa. Nke atọ, netwọk ọrụ zuru oke mgbe-ahịa na-eme ka o doo anya na ndị ọrụ nwere ike nweta nkwado ọrụ aka n'oge na ihe ndị ọzọ na-enye ihe n'ebe ọ bụla n'ụwa. Uru ndị a jikọtara ọnụ mejupụtara ọnọdụ ahịa Kubota na-enweghị mgbagha n'ọhịa nke ndị na-egwupụta ihe.
Nkọwa nke uru ọrụ aka isi Kubota
The magburu onwe arụmọrụ nke Kubota excavators n'ụzọ dị ukwuu ị ga si ya onwe-mepụtara, elu-edu engines, nke bụ budata mma karịa nkezi ụlọ ọrụ na a ọnụ ọgụgụ nke teknuzu akụkụ. Na-ewere D722-BH-4 engine nke a kwadebere na Kubota U-10-3Alpha excavator dị ka ihe atụ, nke a 3-cylinder diesel engine nwere nchụpụ nke nanị 719 cc, ma ọ bụ ike nke na-anapụta a gosiri ike mmepụta nke 7.4 kW (ihe dị ka 10 hp), na ihe magburu onwe ike density, 2500 Rdisity na .2PM. atụmatụ na-enye ohere Kubota kọmpat excavator na-enye ọkwa dị elu nke mmepụta, ebe ọ ka na-ejigide ahụ. Ka ọ na-ejigide ahụ kọmpat, ọ ka na-enye ike zuru oke iji nagide ọnọdụ ọrụ dị mgbagwoju anya dị iche iche.
Uel akụ na ụba bụ otu n'ime uru kacha mara nke igwe Kubota. Site na ịnakwere sistemụ combustion TVCS dị elu (Three Vortex Combustion System) yana teknụzụ ịgbanye mmanụ ụgbọ oloko dị elu, igwe Kubota na-enweta oke ọkụ ọkụ. Data ngwa ngwa na-egosi na n'okpuru otu ọrụ ahụ, Kubota engines na-echekwa 15% -20% mmanụ ọkụ ma e jiri ya tụnyere ngwaahịa ndị yiri ya.410 Igwe ọkụ ọkụ a na-eme ka ọ bụghị nanị na-ebelata ụgwọ ọrụ nke ndị ọrụ, ma na-ebelata ikuku carbon, na-egosipụta nguzozi zuru oke nke Kubota n'etiti arụmọrụ akụ na ụba na arụmọrụ gburugburu ebe obibi. N'iji igwe Kubota V3300 dị ka ọmụmaatụ, ngwaahịa a maka ndị na-emepụta generator nwere oke oriri mmanụ dị ala na arụ ọrụ zuru oke, na otu mmanụ ọkụ nwere ike ịkwado awa 8.8 na-aga n'ihu.
N'ihe gbasara arụmọrụ gburugburu ebe obibi, injin Kubota nọkwa na mbụ nke ụlọ ọrụ ahụ. Usoro niile nke engines na-agbaso ụkpụrụ ikuku ikuku kachasị n'ụwa, dị ka EU Stage V na US EPA Tier 4 Final, na ụfọdụ ụdị ọbụna na-emezu ihe ndị a chọrọ n'ọdịnihu iwu ikuku ọtụtụ afọ tupu oge nhazi. na nitrogen oxides (NOx) nke engine na-enweghị ịchụ àjà ike. (NOx) na particulate matter (PM) a na-ebelata ikuku n'achụghị arụ ọrụ ike. Dịka ọmụmaatụ, injin Kubota D902 abụghị naanị na-ezute ụkpụrụ ikuku nke EU Stage V, mana ọ nwetakwara asambodo EPA-4, nke bụ ihe akaebe zuru oke nke teknụzụ gburugburu ya dị elu.
Ntụkwasị obi na ịdịte aka bụ uru ọzọ dị mkpa nke igwe Kubota. All Kubota engines na-doro ihe karịrị 2,000 awa nke rigorous anwụ ngwa ngwa ule tupu ahapụ ụlọ ọrụ mmepụta ihe, simulating a dịgasị iche iche nke oké ọrụ ọnọdụ iji hụ na mụ arụmọrụ n'ezie use.2 Key components dị ka crankshafts, cylinder blocks na piston yiri mgbanaka na-mere nke pụrụ iche alloys na ike Filiks, na-eme ka engine si ndụ ogologo oge 2-3 ugboro ogologo oge site na ndị ọrụ site n'aka ndị ọrụ oge 2-3 ugboro ogologo oge site n'aka ndị na-arụ ọrụ engine. nwere ike gafere 100,000 awa n'okpuru ọnọdụ mmezi nkịtị. Ogologo oge ngbanwe nke injin nwere ike karịa awa 10,000 n'okpuru ọnọdụ mmezi nkịtị, nke na-ewetara ndị nwe akụrụngwa uru dị egwu ndụ niile.
Obere ịma jijiji na obere mkpọtụ nke injin Kubota bụkwa ihe kwesịrị ịja mma. Site na sistemu nguzozi nguzozi ya nke ọma yana usoro injin kachasị mma, Kubota enweela ihe ịga nke ọma n'ịchịkwa mkpọtụ na mkpọtụ na ọkwa ndị na-eduga ụlọ ọrụ. Dịka ọmụmaatụ, DELEKS M180 mini excavator nke nwere Kubota's D902 engine na-arụ ọrụ na ụda ụda dị ala karịa ndị na-asọmpi ya, na-eme ka ọ dị mma maka ịrụ ọrụ nke ụda na gburugburu ebe obibi na obodo.
Ntụle Nrụmọrụ Ebumnobi n'etiti Injin Kubota na Ndị asọmpi
N'ihe eji arụ ọrụ ihe owuwu, a na-ejikarị igwe Kubota atụnyere ụdị ndị mba ụwa ama ama dịka Yanmar na Caterpillar. Site na nyocha ntule usoro, anyị nwere ike nweta nghọta nke ọma maka uru dị iche iche nke igwe Kubota. N'iji ya tụnyere engines Yanmar, n'agbanyeghị na ha abụọ bụ ndị nnọchianya pụtara ìhè nke ụdị ndị Japan, Kubota kacha mma n'ọhịa nke ọrụ ugbo na ihe owuwu ụlọ, ebe Yanmar nwere uru ọdịnala ya na ike mmiri.
Site n'echiche nke mmanụ ụgbọala arụmọrụ, ule data na-egosi na Kubota engine mmanụ oriri ọnụego n'okpuru ọkara ibu ọnọdụ bụ banyere 8% -12% ala karịa nke yiri Caterpillar C7.1 engine, a dị iche na-eweta bukwanu na-eri ego echekwa ndị ọrụ megide backdrop nke elu mmanụ price.47 Karịsịa na intermittent arụ ọrụ mode nke a na-ejikarị site na obere excavators, Kubota engine nwere ike na-eme ka ndị na-egwupụta ihe na-arụ ọrụ nke ọma. nwere àgwà nzaghachi na-adịru nwa oge dị mma, ma nwee ike ime mgbanwe ngwa ngwa na mgbanwe ibu na-enweghị nnukwu mfu ọkụ ọkụ. N'aka nke ọzọ, ụfọdụ European na American ika engines, n'agbanyeghị na ha dị egwu kacha ike parameters, na-adịghị enwekarị otu mkpokọta mmanụ ụgbọala aku na uba ngwaahịa Kubota na-arụ ọrụ n'ezie.
N'ihe gbasara ịdị mfe nke mmezi, a na-emepụta engines Kubota n'ụzọ doro anya na mkpa bara uru nke ndị ọrụ njedebe n'uche. E jiri ya tụnyere engines Caterpillar, isi ihe mmezi nke Kubota na-eme ka ọ dịkwuo mfe ma dị mfe ịnweta, na-azọpụta 30% -40% nke oge maka ọrụ nhazi oge niile dị ka nzacha nzacha na mmanụ . N'ụzọ dị iche, akụkụ ahụ na-enye okirikiri maka ụfọdụ injinia ika Europe nwere ike were izu na mpaghara ụfọdụ, na-emetụta ọrụ mmepụta nkịtị nke ndị ọrụ.
Ịrụ ọrụ mmalite oyi bụ ihe dị mkpa na-egosi àgwà engine diesel, na Kubota engines na-egosi uru doro anya na nke a. Ọbụna na okpomọkụ dị ka -15 Celsius C, Kubota engines na-amalite ntụkwasị obi na-enweghị ihe mgbakwunye inyeaka ndị ọzọ, ebe ụfọdụ ndị na-asọmpi na-adabere na plọg na-ekpo ọkụ ma ọ bụ na-amalite mmiri maka ọkụ kwesịrị ekwesị.210 Njirimara a emeela ka ndị na-egwupụta Kubota bụrụ ọkacha mmasị na mpaghara oyi dị ka Russia na Canada. Kubota nwetara ọganihu a site n'ịkwalite ọdịdị nke ụlọ combustion na oge ịgba ntụtụ, na-egosipụta nchịkọta miri emi nke nchọpụta bụ isi na engines diesel.
N'ihe gbasara nzaghachi ahịa, afọ ojuju onye ọrụ Kubota na-aga n'ihu na-adị elu karịa nkezi ụlọ ọrụ. Nnyocha ndị e mere na ụlọ mgbazinye ihe owuwu ihe owuwu na-egosi na nrụzi ọnụego nke mini excavators onwem na Kubota engines bụ 35% -40% ala karịa ahịa nkezi, nke na-asụgharị ozugbo n'ime elu akụrụngwa bịaranụ na mgbazinye ego. ahịa ebe mma mmanụ dị iche iche, na-enyere akụrụngwa Kubota aka ịnọgide na-arụ ọrụ kwụsiri ike.
Dịka onye nrụpụta agbakwunyere na nso nso a na Kubota, anyị ahụla ka Kubota si na-edobe ọkwa ya n'ọhịa nke obere gwupụta ihe site na imepụta ihe ọhụrụ na-aga n'ihu. Site na teknụzụ isi nke isi iji mejupụta usoro sistemụ igwe, site na ike ọdịnala gaa na nhazi ike ọhụrụ, Kubota na-echekarị maka mkpa onye ọrụ yana ihe nhụsianya teknụzụ na-akpali ya, na-ede akụkọ nke ya na ahịa igwe ihe owuwu zuru ụwa ọnụ. Maka ndị ọrụ na-achụso arụmọrụ dị elu, ọnụ ala dị ala na ọrụ na-adịgide adịgide, ihe ịrụ ụka adịghị ya na ndị na-egwupụta Kubota bụ nhọrọ kachasị mma ugbu a yana itinye ego a pụrụ ịdabere na ya maka ọdịnihu.
