A3 / B4 waxaa loola jeedaa heerka tayada tayada saliida mashiinka iyo waxay u hoggaansamataa heerka tayada tayada A3 / B4 ee ACEA (Association Soosaaraha Soosaarayaasha ee Yurub). Darajooyinka laga bilaabo "A" waxay matalaan faahfaahinta saliidaha mashiinka shidaalka. Waqtigaan, waxay u qaybsan yihiin shan fasal: A1, A2, A3, A4, iyo A5. Darajooyinka laga bilaabayo "B" waxay matalaan faahfaahinta saliidaha matoorka naaftada khafiifka ah waxayna hadda u qaybsan yihiin shan fasal: B2, B2, B3, B5, iyo B5.
Heerarka ACEA waxaa la soo kordhayaa qiyaastii labadii sanoba mar. Heerarkii ugu dambeeyay waa nooca 2016 0 (sanadkii 2016), nooca 1 (sanadkii 2017), iyo nooca 2 (sanadkii 2018). Sida caadiga ah, heerarka shahaadada ee soo-saareyaasha kala duwan ee gawaarida ayaa sidoo kale la casriyeeyaa sanadka sanadka. Isla ah ee Volkswagen VW 50200 shahaadada iyo Mercedes-Benz Mb 229.5 Shahaadada, waxaa sidoo kale lagama maarmaan ah in la kala saaro in lagu soo kordhay heerarkii ugu dambeeyay. Kuwa iyagu marwalba diyaar u ah inay kor u qaadaan muujiyaan is-edbinta iyo raacitaanka tayada iyo waxqabadka. Guud ahaan marka la hadlayo, durba way fiicantahay haddii saliida matoorku la kulmi karo shahaadada, oo waxaa laga yaabaa inaysan had iyo jeer diyaar u ahayn inay la socoto kor u qaadista.
Taxaadka ACEA C ayaa loo isticmaalaa matoorada shidaalka iyo matoorka naaftada khafiifka ah ee khafiifka ah ee ku saabsan nidaamyada daaweynta ka dib. Waxaa ka mid ah, ACEA C1 iyo C4 waa saps hooseeya (ash sunfeeyay, fosfooraska, iyo sulfur) halka ACEA C3, iyo C3, iyo C3, iyo C5 ay yihiin heerarka saliidaha dhexdhexaadka ah.
Qodobka guud ee u dhexeeya heerarka C3 iyo A3 / B4 ayaa ah in qiimaha sare ee heerkulka sare (HTHS) uu yahay ≥ 3.5. Farqiga ugu weyn ayaa ah in mid ka mid yahay dambas galka ah inta kale uu yahay mid ka kooban ash badan. Taasi micnaheedu waa, ma jiri karto saliid la kulma A3 / B4 iyo C3 isla waqti isku mid ah.
Farqiga muhiimka ah ee u dhexeeya C3 iyo A3 / B4 waxay ku jiraan xadka xaddidan, badiyaa baaruud iyo fosfooraska. Waxay sababi karaan guuldarro dhicis ah oo ku saabsan badalka saddexda-dhinac ah, iyo waxyaabaha dambaska xad-dhaafka ah waxay sababi karaan guuldaradii DPF (Diesel) ee gawaarida naaftada ah). Sidaa darteed, soosaarayaasha gawaarida Yurub waxay xadidayaan saddexda injiiladoodba mar si isku mid ah, iyagoo siinaya heerarka cusub ee C. Taxaadka taxanaha C ayaa la soo bandhigay ku dhawaad 20 sano. Suuqa Yurub waxaa ku yaal tiro badan oo naaftada ah, markaa heerkan ayaa si weyn loo bartilmaameedsanayaa. Si kastaba ha noqotee, Shiinaha, tani waxaa laga yaabaa inaysan ahayn kiiska. 95% gawaarida rakaabka ee Shiinaha waa gawaarida gawaarida gawaarida ku shaqeeya ee aan lahayn DPFs, sidaa darteed xadka ashtarka ma aha muhiimad weyn. Haddii gaarigaagu wax badan ka taxadaro wax badan oo ku saabsan badalka saddexda-dhinac ah, gabi ahaanba waad isticmaali kartaa saliida A3 / B4. Gawaarida gaaska ee la kulma Shiinaha ee Standard Standard V iyo hoosta ma leh dhibaatooyin waaweyn oo la adeegsanayo saliida A3 / B4. Si kastaba ha noqotee, sababtuna tahay hordhaca GPF (gaashu sifee) ee gawaarida heerka qaran ee Shiinaha, ee ashtarka sare ee saliida A3 / B4 ayaa saameyn weyn ku leh, oo tayada saliida ayaa sidaas lagu qasbay inay kor u qaaddo heerarka C. Waxaa jira farqi kale oo u dhexeeya A3 / B4 iyo C3: Taasi waa TBN (Isugeynta lambarka aasaasiga ah). A3 / B4 wuxuu ubaahanyahay TBN> 10, halka taxanaha C kaliya uu u baahan yahay TBN> 6.0. Waxaa jira laba sababood oo tan ah. Marka hore, hoos udhaca waxyaabaha dambasku wuxuu horseedaa hoos udhaca nambarka saldhiga, kaas oo aan mar dambe u socon karin sidii hore. Midda labaad, oo leh hormarinta tayada shidaalka, TBN uma baahna inuu mar dambe sii sarreeyo. Waagii hore, markii tayada shidaalka ee Shiinaha ay liidato, tbn-ka sare ee A3 / B4 aad bay u qiimo badan tahay. Hadda oo tayada shidaalka ay soo hagaagtay oo ay ka kooban tahay in sulfur ay hoos u dhacday, muhiimadeeda ma aha wax weyn. Dabcan, in gobollada leh tayada shidaalka liidata, waxqabadka A3 / B4 ayaa wali ka wanaagsan kan C3. Farqiga saddexaad wuxuu ku jiraa dhaqaalaha shidaalka. Heerka A3 / B4 ma leh shuruudo loogu talagalay dhaqaalaha shidaalka, halka saliidaha matoorka ee la kulma labadaba ACEA C3 iyo ACIP SPITS, Ilaalinta silsiladda ciyaarta, iyo iska caabinta silsiladda waqtiga-hoose. Isku soo wada duuboo, farqiga ugu weyn ee u dhexeeya A3 / B4 iyo C3 waa in C3 uu yahay shey uu ka yahay sabool dhexdhexaad ah iyo mid hoose (ashan ka kooban). Marka laga hadlayo halbeegyada kale, C3 ayaa gabi ahaanba dabooli kara codsiyada A3 / B4 oo ay la kulmaan heerarka Euro VI iyo Shiinaha ee Heerka Biyo-Bixinta ee Shiinaha.
Waqtiga Post: Dec-13-2024