Mazda ikupitilizabe kupanga ukadaulo wa Skyactiv mu midadada yamafuta ndi dizilo. Dziwani zaposachedwa kwambiri za 1.5 Skyactiv D zomwe zidzayambike pa Mazda 2 yotsatira.
Pambuyo pa chipika cha 2.2 Skyactiv D, tsopano pali mchimwene wamng'ono, 1.5 Skyactiv D, yomwe ili ndi chizindikiro chake chamtsogolo cha Mazda 2.
Injini yatsopanoyi yochokera ku Mazda yokhala ndi ukadaulo wa Skyactiv ikukwaniritsa kale miyezo yolimba ya EURO 6, ndipo imachita izi popanda makina othandizira. Koma kuti tikwaniritse zotsatira izi, Mazda anakumana ndi mavuto angapo amene kuchepetsa kuthekera Dizilo zimango.
Komabe, zotsatira zomwe zapezedwa, pogwiritsa ntchito turbocharger yosinthika ya geometry ndi sensor yozungulira yophatikizika, pamodzi ndi intercooler yoziziritsa madzi, imakwaniritsa bwino mtundu wa Japan. Chachiwiri, ikonza bwino komanso kuyankha kwa block 1.5 Diesel. Mazda ikukhulupirira kuti ikhala ndi injini ya dizilo yotsika kwambiri m'gulu lake.
1.5 Skyactiv D block imadziwonetsera yokha ndi kusamuka kwa 1497cc ndi 105 ndiyamphamvu pa 4000rpm, torque yayikulu ya 250Nm imawoneka ngati 1500rpm ndipo imakhala yosasunthika mpaka kuyandikira 2500rpm, zonse ndi CO₂ zotulutsa za 90g/km.
Koma kuti akwaniritse mfundo zimenezi, si zonse zinali zabwino ndipo Mazda anakumana ndi mavuto ambiri luso. Mavuto omwe malinga ndi mtunduwo adagonjetsedwa, pogwiritsa ntchito matekinoloje aposachedwa. Koma tiyeni tipite mzigawo, ndi cholinga chothetsa mavuto onse omwe Mazda adagonjetsa kuti apange injini iyi ya 1.5 Skyactiv D.
Kodi zinali zotheka bwanji kuthana ndi miyezo yofunikira yachilengedwe popanda kufunikira kwa chithandizo chamankhwala?
Ma block a dizilo nthawi zambiri amagwira ntchito pamitengo yoponderezana, yokwera kwambiri kuposa midadada yamafuta. Izi ndichifukwa cha kutsimikizika kwa kuyaka kwa dizilo, komwe kumaphulika pazovuta kwambiri ndipo sikuphulika ngati petulo, koma kumayaka moto.
Nkhaniyi imakhala yovuta kwambiri, chifukwa chifukwa cha kupanikizika kwakukulu, pamene pisitoni ili pa TDC yake (pamwamba pakufa), kuyaka kumakonda kuchitika chisanachitike kusakaniza kokwanira komanso kofanana pakati pa mpweya ndi mafuta, zomwe zimapangitsa kuti mpweya wa NOx upangidwe ndi mpweya. kuwononga tinthu ting'onoting'ono. Kuchedwetsa jekeseni wamafuta, pomwe kumathandizira kutentha ndi kupanikizika, kumabweretsa chuma choyipa komanso kugwiritsa ntchito kwambiri.
Mazda, podziwa za mavutowa, adaganiza zobetcherana kuti achepetse kuchulukana kwa midadada ya Diesel Skyactiv, yokhala ndi 14.0: 1 - mtengo wotsika kwambiri wa chipika cha dizilo, popeza pafupifupi ndi 16.0: 1. Pogwiritsa ntchito yankholi, pogwiritsa ntchito ma pistoni ochokera ku zipinda zoyatsira moto, zinali zotheka kuchepetsa kutentha ndi kupanikizika mu PMS ya masilinda, motero kukhathamiritsa kusakaniza.
Ndi vuto ili kuthetsedwa, nkhani mafuta mafuta anali kuthetsedwa, kotero Mazda anayamba matsenga zamagetsi. Mwanjira ina, mamapu a jakisoni okhala ndi ma aligorivimu ovuta kutha kusakaniza bwino, mu chipika chokhala ndi chiwopsezo chochepa. Kuphatikiza pa zotsatira zopindulitsa pa kuyaka, kuchepetsedwa kwa chiŵerengero cha kuponderezana kunapangitsa kuti kuchepetsa kulemera kwa chipikacho, chifukwa kumakhala ndi mphamvu zochepa zamkati, motero kumapangitsanso kugwiritsira ntchito komanso kuthamanga kwa injini.
Kodi Mazda adathetsa bwanji vuto lakuyamba kuzizira komanso kuyatsa kwamoto ndi kutsika kocheperako?
Awa anali mavuto ena awiri omwe amayambitsa kutsika kwapakati kwa block. Ndi chiŵerengero chochepa cha kuponderezana, zimakhala zovuta kwambiri kumanga mphamvu zokwanira ndi kutentha kuti mafuta ayambe kuyatsa. Kumbali ina, chipikacho chikatentha, kutsika kwapang'onopang'ono kumapangitsa kuti malo oyaka moto akhale ovuta kuti ECU iwasamalire.
Zinali chifukwa cha nkhani zimenezi kuti Mazda anaganiza kuphatikizira mu chipika 1.5 Skyactiv D, atsopano Piezo jekeseni ndi 12-bowo nozzles, kulola zosiyanasiyana jekeseni ndi ntchito zochitika mu intervals yochepa kwambiri, kukwanitsa kuchita munthu pazipita 9 jakisoni pa. mkombero , kulola kulamulira ndende ya osakaniza, kuthetsa vuto ozizira chiyambi.
Kuphatikiza pa ma jakisoni atatu oyambira (jakisoni isanachitike, jekeseni wamkulu ndi jakisoni wapambuyo) majekeseniwa a Piezo amatha kuchita zingapo zosiyanasiyana malinga ndi momwe mumlengalenga mulili komanso kuchuluka kwa injini.
Kuzimitsa moto kunathetsedwa, pogwiritsa ntchito ma valve osinthasintha. The mavavu utsi amatsegula pang'ono pa gawo amayake, kulola mpweya utsi kuti zobwezerezedwanso ku chipinda kuyaka, kuwonjezera kutentha, popanda kuchititsa mavuto, popeza Dizilo midadada kutentha limatuluka kuyaka chipinda. kuyaka kukhazikika poyatsira, motero Kulipiritsa kugwiritsa ntchito ma compression apamwamba kwambiri, omwe nawonso amapanga ma spikes amphamvu omwe ndi ovuta kuwawongolera.