5.7 hemi engine - mafi mahimmancin labarai game da naúrar

Injin Hemi mai lamba 5.7 na rukunin rukunin rukunin da Chrysler ya kera. Siffar siffa ta injin ita ce sanye take da ɗakin konewa na semicircular. An fara gabatar da samfurin na damuwa na Amurka a cikin 2003 a lokacin farkon motar Dodge Ram - an ƙara shi da injin Magnum 5,9. Mun gabatar da mafi muhimmanci bayanai game da shi.

5.7 Hemi engine - bayanin asali

2003 aka hade ba kawai tare da farko na Dodge Rama, amma kuma tare da dukan iyali na uku-ƙarni injuna. Na farko shi ne injin mai 8cc V5. cm / 654 l mai suna Eagle. Ya maye gurbin Magnum V3 block da aka ambata a cikin gabatarwar. An yi amfani da injin Hemi 5,7 a cikin Chrysler Dodge Durango, Caja, 8C, Magnum R/T, Jeep Grand Cherokee da kwamandan samfur.

Bayanan fasaha na ƙungiyar Chrysler

Injin bugun bugun jini guda huɗu na halitta yana da V-cylinders guda takwas da bawuloli biyu a kowace silinda. Tsarin jirgin kasa na bawul ya dogara ne akan lokacin bawul ɗin OHV. Bore 99,49 mm, bugun jini 90,88 mm, ƙaura 5 cc.

A cikin farko model - har 2009 da matsawa rabo 9,6: 1. Daga baya shi ne 10,5: 1. Injin Hemi 5.7 ya samar tsakanin 340 da 396 hp. (254-295 kW) da karfin juyi 08-556 Nm/3,950-4,400 Matsakaicin adadin man inji shine 6,7 l/l. Bi da bi, nauyin naúrar ya kai kilogiram 254.

Injin ƙirar 5.7 Hemi - menene mafita na ƙira aka yi amfani da shi?

 Injin Hemi mai lamba 5.7 an sake tsara shi gaba ɗaya daga ƙasa zuwa sama tare da shingen silinda na simintin simintin simintin siminti mai zurfi da jaket da kusurwar bangon 90°. Samfuran Pre-2008 suna da manyan zoben 1,50/1,50/3/0mm, yayin da samfuran 2009 suka nuna fakitin 1,20/1,50/3,0mm. 

Injiniyoyin sun kuma yanke shawarar girka wani simintin ƙarfe na crankshaft na simintin gyare-gyare, wanda aka ɗora tare da kusoshi huɗu a kan kowane babban ɗaki. An kuma tsara camshaft a wani tsayi mafi girma don rage tsayin turadu. Saboda wannan dalili, sarkar lokaci ya fi tsayi kuma yana tsakanin bankunan silinda.

Hemi 5.7 kuma an sanye shi da kawuna na silinda na silinda na giciye, bawuloli biyu da matosai a kowane silinda. An kuma yi wani ɗaki mai ban sha'awa tare da ɗorawa a ɓangarorin biyu, wanda ya ƙara haɓaka aikin na'urar. 

Sarrafa da ke ba da gudummawa ga aikin injin mai kyau

Ikon farko don kallo shine camshaft. Shi ne ke da alhakin gudanar da ayyukan sha da shaye-shaye na godiya ga masu turawa da ke cikin levers. Muhimman sassa kuma sun haɗa da maɓuɓɓugan bawul ɗin kudan zuma da na'ura mai amfani da ruwa.

Masu zanen kaya kuma sun zaɓi tsarin kashe-kashe Silinda Mai Matsuguni. Wannan ya haifar da raguwar yawan man fetur da kuma fitar da hayaki. Fasahar tana aiki ne ta hanyar kashe mai zuwa silinda guda hudu - biyu kowanne - sannan a rufe bawul din sha da shaye-shaye, tare da sarrafa kwararar mai ta hanyar masu daukar bawul guda daya. Hemi 5.7 kuma an sanye shi da na'urar lantarki mai sarrafa wutar lantarki.

Gudun injin Hemi 5.7

A cikin yanayin wannan rukunin wutar lantarki, matsaloli na iya tasowa tare da gudu na kilomita 150-200. Wannan ya shafi rashin aiki masu alaƙa da karyewar maɓuɓɓugan bawul ko mannewa da lalacewa ga rollers na lefa. Wannan yawanci yana tare da matsalolin kunnawa da hasken injin Dubawa. Yin watsi da waɗannan alamomin na iya kasancewa saboda tsananin gazawar camshaft ko ɓangarorin ƙarfe a cikin mai.

Shin zan zaɓi injin hemi 5.7?

Duk da waɗannan gazawar, injin 5.7 Hemi yana da kyau mai kyau, naúrar dorewa. Ɗaya daga cikin al'amuran da ke ba da gudummawa ga wannan shi ne cewa yana da tsari mai sauƙi - ba a yi amfani da turbocharging ba, wanda ya kara yawan rayuwar sabis. A downside, duk da haka, shi ne wajen high man fetur amfani - har zuwa 20 lita da 100 km.

Tare da kulawa na yau da kullun da canje-canjen mai kowane kilomita 9600, injin zai biya ku tare da ingantaccen aiki da ƙarancin gazawa. Har ila yau, ya kamata a tuna cewa don aiki mai kyau na sashin wutar lantarki, dole ne a yi amfani da man fetur tare da danko na SAE 5W20.

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