M52B25 engine si BMW - teknuzu e ji mara na ọrụ nke unit

Emepụtara engine M52B25 site na 1994 ruo 2000. Na 1998, e mere ọtụtụ mgbanwe mgbanwe, n'ihi nke a na-eme ka arụmọrụ nke unit ahụ dịkwuo mma. Mgbe nkesa nke ụdị M52B25 gwụchara, ọ bụ ụdị M54 dochie ya. Ngalaba ahụ nwere mmasị na ya, na ihe akaebe nke a bụ ebe na-adịgide adịgide na ndepụta nke engines 10 kasị mma nke magazin Ward a ma ama - site na 1997 ruo 2000. Na-ewebata ozi kachasị mkpa gbasara M52B25!

M52B25 engine - data teknụzụ

Ihe nrụpụta nke ụdị injin a bụ nke Bavaria na-emepụta Munich Plant na Munich. Emebere koodu injin M52B25 n'ụdị strok anọ nwere cylinder isii etinyere n'ahịrị kwụ ọtọ n'akụkụ crankcase ebe piston niile na-ebugharị site na crankshaft nkịtị.

Ntugharị nke igwe mmanụ ụgbọala bụ 2 cm³. A họrọkwara usoro ịgbanye mmanụ, usoro ịgba egbe nke cylinder ọ bụla bụ 494-1-5-3-6-2 yana oke mkpakọ nke 4:10,5. Ọnụ ọgụgụ nke engine M1B52 bụ kilogram 25. Ejirikwa injin M52B25 nwere sistemụ VANOS - Variable Camshaft Time.

Kedu ụdị ụgbọ ala ji injin?

The 2.5 lita engine arụnyere na BMW 323i (E36), BMW 323ti (E36/5) na BMW 523i (E39/0) ụdị. A na-eji unit ahụ site na nchegbu site na 1995 ruo 2000. 

Ewu usoro nke mbanye unit

Nhazi nke moto ahụ dabere na ihe nkedo cylinder si na aluminom alloy, yana ihe mkpuchi cylinder nke ejiri Nikasil kpuchie. Ihe mkpuchi Nikasil bụ ngwakọta nke silicon carbide na nickel matrix, na ihe ndị a na-etinye na ya na-adịgide adịgide. Dị ka eziokwu na-adọrọ mmasị, a na-ejikwa teknụzụ a na-emepụta moto maka ụgbọ ala F1.

Silinda na nhazi ha.

Isi cylinder bụ nke aluminom alloy mere. Agbakwunyekwara camshaft ejima ejiri eriri na valvụ anọ kwa cylinder. N'ụzọ doro anya, isi na-eji nhazi ntụgharị maka ike na arụmọrụ karịa. 

Ụkpụrụ nke ọrụ ya bụ na ikuku ntinye na-abanye n'ime ụlọ combustion site n'otu akụkụ, na ikuku ikuku na-apụ na nke ọzọ. A na-edozi mkpochapụ valvụ site na tappet hydraulic na-edozi onwe ya. N'ihi nke a, mkpọtụ n'oge arụ ọrụ nke engine M52B25 enweghị nnukwu ugboro. Ọ na-ewepụkwa mkpa mgbanwe valve mgbe niile.

Nhazi cylinder na ụdị piston 

A na-emepụta nhazi nke unit ahụ n'ụzọ dị otú a na-ekpuchi cylinders na coolant na-ekesa site n'akụkụ niile. Na mgbakwunye, injin M52B25 nwere nnukwu bearings asaa yana crankshaft nke nkedo kwesịrị ekwesị nke na-agbagharị na ebe obibi gbawara agbawa nke nwere ike dochie isi bearings.

Atụmatụ imewe ndị ọzọ na-agụnye iji igwe eji ejikọta igwe akpụrụ akpụ nwere ebe a na-agbanwe agbanwe nke na-ekewa n'akụkụ crankshaft na nnukwu osisi dị n'akụkụ ntụtụ piston. Piston arụnyere nwere mgbanaka okpukpu atọ nwere mgbanaka elu abụọ na-ehicha mmanụ ahụ, a na-ejikwa circlips dozie pin piston.

Ịkwọ ụgbọala arụ ọrụ

Igwe BMW M52 B25 nwere ezigbo nyocha onye ọrụ. Ha gosiri ha dị ka ndị a pụrụ ịtụkwasị obi na ndị nwere ego. Otú ọ dị, n'ime usoro eji eme ihe, ụfọdụ nsogbu bilitere, na-ejikọta ya na ọrụ nkịtị. 

Ndị a na-agụnye ọdịda nke akụkụ nke usoro inyeaka nke ike unit. Nke a bụ usoro jụrụ oyi - gụnyere mgbapụta mmiri, yana radiator ma ọ bụ tank mgbasawanye. 

N'aka nke ọzọ, e gosiri akụkụ ndị dị n'ime dị ka ihe siri ike. Ndị a na-agụnye valvụ, agbụ, ị ga-ejikọta mkpanaka na akara. Ha na-arụ ọrụ nke ọma ruo ihe karịrị afọ 200. km. ikeleji.

N'iburu n'uche akụkụ niile metụtara iji engine M52B25, anyị nwere ike ikwu na ọ bụ otu ike na-aga nke ọma. Ihe atụ nke ọma ka dị na ahịa nke abụọ. Otú ọ dị, tupu ịzụta nke ọ bụla n'ime ha, ọ dị mkpa iji nlezianya lelee ọnọdụ ọrụ ya.