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Korontada Leton waxay bixisaa dhammaan wareegyada dab-dhaliye naaftada ah oo dejinaya qaybo dheeri ah.

Waxaan ku siin karnaa ganacsiga CKD/SKD ee matoorayaasha naaftada, la xiriir wixii faahfaahin ah.
Qalabka dhalisa naaftada waa unug aad u weyn oo leh qaab dhismeed adag iyo dayactir dhib badan.Kuwa soo socdaa waa horudhac ku saabsan qaybaha ugu muhiimsan iyo hababka dayactirka matoor naaftada oo loo dejiyay inta badan isticmaalayaasha.

Qaybaha ugu muhiimsan ee dab dhaliyaha naaftada:

1. Crankshaft iyo sida ugu weyn
Muruqyadu waa usheeda dhexe ee lagu rakibay qaybta hoose ee block-ka dhululubada.Usheeda dhexe waxaa lagu qalabeeyaa joornaalka usha isku xira offset, taas oo ah, pin crankshaft crank, kaas oo loo isticmaalo in loogu badalo dhaqdhaqaaqa soo noqnoqda ee usha isku xidha usha wareeg ah.Kanaalka sahayda saliida ayaa lagu qodayaa gudaha birta si uu saliida saliida u keeno xadhkaha ugu muhiimsan iyo isku xidhka usha.Xadhkaha ugu muhiimsan ee taageeraya shafka cirifka ee block-ka dhululubada waa simbiriirixan.
2. Dhuxul-dhejis
Qeybta dhululubada waa qalfoofka matoorka gubashada gudaha.Dhammaan qaybaha kale ee matoorka naaftada waxaa lagu rakibaa block-ga dhululubada iyadoo la isticmaalayo biro ama habab kale oo isku xira.Waxa jira daloolo badan oo dunta ka samaysan oo ku yaal block-ka dhululubada si ay ugu xidhmaan qaybaha kale ee boolal leh.Waxa kale oo jira daloolo ama taageerooyin taageeraya Quzhou oo ku jira jidhka dhululubada;Qod godad lagu taageerayo shafka;Dhalada dhululubo ee lagu rakibi karo xadhkaha dhululubada.
3. Piston, giraanta bistoonka iyo usha isku xirka
Shaqada bistoonka iyo giraanta piston ee lagu rakibay jeexdin giraanta ayaa ah in lagu wareejiyo cadaadiska shidaalka iyo gubashada hawada usha isku xirka ee ku xiran shafka.Shaqada usha isku xidhka ayaa ah in lagu xidho pistonka oo leh shafka.Ku xidhida bistoonka iyo usha isku xidhka ayaa ah biinanka, kaas oo inta badan si buuxda u sabaynaya ( biinanka ayaa sabaynaya bisinka iyo usha isku xidhka labadaba).
4. Camshaft iyo qalabka waqtiga
Matoorka naaftada, camshaft-ku waxa uu ku shaqeeyaa mashiinnada gelitaanka iyo qiiqa;Matoorada naaftada qaarkood, waxa ay sidoo kale kaxeyn kartaa bamka saliidda ee saliidda ama bamka duritaanka shidaalka.Camshaft-ka waxaa lagu waqtiyeeyaa shafka-mucjisada iyada oo loo marayo marsho waqtiyeedka ama qalabka kamaradaha oo u soo ban-baxay marshada hore ee shafka.Tani ma aha oo kaliya in ay kaxayso camshaft-ka, laakiin sidoo kale waxay hubisaa in waalka matoorka naaftada uu ku jiri karo meel sax ah oo leh crankshaft iyo piston.
5. Madaxa silinder iyo waalka
Shaqada ugu weyn ee madaxa dhululubada waa in la bixiyo daboolka dhululubada.Intaa waxaa dheer, madaxa dhululubada waxaa la siiyaa meel hawo laga soo galo iyo meel hawo laga soo saaro si ay ugu ogolaato hawada inay gasho dhululubada iyo gaaska qiiqa laga saaro.Marinnadan hawo-mareenka ah waxaa la furay oo la xiray valves kaxeeya oo lagu rakibay tuubada valve ee madaxa dhululubada.
6. Nidaamka shidaalka
Marka loo eego culayska iyo xawliga matoorka naaftada, nidaamka shidaalku waxa uu ku durayaa qadar sax ah oo shidaal ah dhululubada mishiinka naaftada wakhti sax ah.
7. Supercharger
Chargerer-ku waa matoor hawo oo uu wado gaaska qiiqa, kaas oo siiya hawo cadaadis leh matoorka naaftada.Korodhkan cadaadiska, oo loo yaqaan supercharging, wuxuu hagaajiyaa waxtarka matoorka naaftada.

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