N57 engine - ihe niile ị chọrọ ịma

Injin N57 bụ nke ezinụlọ nke injin dizel nwere turbocharger na sistemụ ụgbọ oloko nkịtị. Mmepụta malitere na 2008 wee kwụsị na 2015. Anyị na-enye ozi kacha mkpa gbasara ya.

N57 engine - data teknụzụ

Igwe mmanụ dizel na-eji sistemu njikwa valve DOHC. Otu ike cylinder isii nwere cylinder 6 nwere piston 4 na nke ọ bụla. Injin cylinder gbara 90 mm, piston stroke 84 mm na mkpakọ 16.5. Ntugharị engine bụ 2993 cc. 

Injin ahụ riri 6,4 lita mmanụ kwa 100 km n'obodo, 5,4 lita kwa 100 km na okirikiri jikọtara ọnụ na 4,9 lita kwa 100 km n'okporo ụzọ. Ngalaba ahụ chọrọ mmanụ 5W-30 ma ọ bụ 5W-40 ka ọ rụọ ọrụ nke ọma. 

Ụdị moto sitere na BMW

Ebe ọ bụ na mmalite nke mmepụta nke engines BMW, e kere ụdị isii nke ike nkeji. Ha niile nwere mkpọnwụ na ọrịa strok nke 84 x 90 mm, nchụpụ nke 2993 cc na oke mkpakọ nke 3:16,5. Ụdị ndị a bụ nke ezinụlọ N1:

• N57D30UL nwere 150 kW (204 hp) na 3750 rpm. na 430 Nm na 1750-2500 rpm. Ụdị nke abụọ nwere mmepụta nke 155 kW (211 hp) na 4000 rpm. na 450 Nm na 1750-2500 rpm;
• N57D30OL 180 kW (245 hp) na 4000 rpm. na 520 Nm na 1750-3000 rpm. ma ọ bụ 540 Nm na 1750-3000 rpm;
• N57D30OL 190 kW (258 hp) na 4000 rpm. na 560 Nm na 2000-2750 rpm;
• N57D30TOP220 kW (299 hp) na 4400 rpm. ma ọ bụ 225 kW (306 hp) na 4400 rpm. na 600 Nm na 1500-2500 rpm;
• N57D30TOP(TÜ) 230 kW (313 hp) na 4400 rpm. na 630 Nm na 1500-2500 rpm;
• N57D30S1 280 kW (381 hp) na 4400 rpm. 740 Nm na 2000-3000 rpm.

Ụdị egwuregwu N57D30S1

Enwekwara ụdị egwuregwu chaja atọ dị iche iche, ebe nke mbụ nwere geometry turbine na-agbanwe ma na-arụ ọrụ nke ọma na ọsọ engine dị ala, nke abụọ na ọsọ ọsọ, na-abawanye ụda, na nke atọ na-emepụta obere mkpirisi ike na torque na nke kachasị elu. ibu - na ọkwa nke 740 Nm na 280 kW (381 hp).

Nhazi ụgbọala

N57 bụ igwe inline dị mma nke nwere 30° nwere nnukwu chaja. Ọ na-eji camshaft abụọ n'elu - engine diesel. Ejiri aluminom dị arọ na nke na-adịgide adịgide mee ihe mgbochi injin ahụ. A na-eji crankshaft isi na-ebu shells bụ cermet alloy.

Ọ dịkwa mma ịkọwapụta nhazi nke isi cylinder engine. A na-ekewa ya n'ime akụkụ abụọ, ebe ikpochapu na ọwa oriri, yana valves, dị na ala. N'elu nwere efere ntọala nke camshaft na-agba ọsọ. Ejirikwa isi ya na ọwa ịgbagharị ikuku gas. Otu njirimara nke N57 bụ na cylinders nwere akọrọ liners thermally bonded na cylinder block.

Camshafts, mmanụ ụgbọala na turbocharger

Otu ihe dị mkpa nke ọrụ nke engine bụ camshaft iyuzucha, nke a na-ebugharị site na otu ihe nke valves oriri. Akụkụ ndị edepụtara na-ahụ maka ịchịkwa oriri na valvụ ikuku nke cylinders. N'aka nke ya, maka ịrụ ọrụ ziri ezi nke camshaft oriri, agbụ mbanye dị n'akụkụ flywheel, nke ndị na-adọkpụ hydraulic na-adọkpụ, na-ahụ maka ya.

N'ime injin N57, a na-agbanye mmanụ ọkụ na nrụgide nke 1800 ruo 2000 mmanya ozugbo n'ime cylinders site na Bosch Common Rail system. Ọdịiche dị iche iche nke ngwa ike nwere ike ịnwe turbochargers gas iyuzucha dị iche - geometry agbanwe ma ọ bụ jikọtara ya na intercooler, otu ma ọ bụ abụọ.

Ọrụ nke unit mbanye - nsogbu zutere

N'oge ọgba tum tum na-arụ ọrụ, arụghị ọrụ nke jikọtara ya na ihe na-akpata ujo vortex nwere ike ime. N'ihi ihe na-adịghị mma, engine na-amalite na-agba ọsọ na-ezighị ezi, yana njehie usoro mgbaàmà. 

Nsogbu ọzọ bụ ọgbọ nke oke mkpọtụ. Ụda ndị na-achọghị bụ nsonaazụ crankshaft gbajiri agbaji. Nsogbu a na-egosi na ọsọ nke ihe dịka 100 XNUMX. km na agbụ oge kwesịrị ka edochie ya.

I kwesịkwara ịṅa ntị na iji ụdị mmanụ ziri ezi. N'ihi nke a, usoro ndị ọzọ, dị ka turbine, kwesịrị ịgba ọsọ ma ọ dịkarịa ala awa 200 n'enweghị nsogbu. kilomita.

N57 engine dabara adaba maka n'iji ya gee ntị

Otu n'ime ụzọ a na-ejikarị eme ka ike engine dịkwuo elu bụ ịkwalite turbocharger. Site n'ịgbakwunye ụdị ka ukwuu ma ọ bụ ụdị ngwakọ na injin ahụ, enwere ike ịkwalite oke nnyefe ikuku oriri. Otú ọ dị, nke a ga-ejikọta ya na ọkwa dị elu nke ọkụ ọkụ. 

Ndị ọrụ N57 na-ekpebikwa ịmegharị ECU. Ịkwanye nkeji dị ọnụ ala ma na-eme ka arụmọrụ dịkwuo mma. Ihe ngwọta ọzọ sitere na ụdị a bụ ngbanwe nke ọ bụghị naanị ECU, kamakwa igbe nhazi. Ntugharị nwekwara ike emetụtakwa ụgbọ elu. Otu akụrụngwa nwere obere uka ga-eme ka arụmọrụ nke otu ike dịkwuo mma site n'ịbawanye ọsọ engine.

Ụzọ ndị ọzọ iji mee ka ike engine dịkwuo elu gụnyere ịkwalite mgbapụta mmanụ ọkụ, iji injectors dị elu, ịwụnye isi cylinder a na-egbuke egbuke, ihe oriri ma ọ bụ ihe ntụgharị egwuregwu catalytic, iyuzucha na cam okporo ụzọ.