Kunyangwe iwe uri nyanzvi yekuvaka injini, makanika kana mugadziri, kana anofarira mota anoda injini, mota dzemujaho uye mota dzinomhanya, Injini Inovaka ine chimwe chinhu kwauri. Mamagazini edu anodhinda anopa ruzivo rwehunyanzvi pane zvese zvaunoda kuziva nezve indasitiri yeinjini nemisika yayo yakasiyana, ukuwo sarudzo dzedu dzetsamba dzinokuchengetedza uchiziva nezvenhau dzichangoburwa uye zvigadzirwa, ruzivo rwehunyanzvi uye kuita kweindasitiri. Nekudaro, iwe unogona kuwana zvese izvi chete nekunyorera. Nyorera izvozvi kuti ugamuchire kudhindwa kwepamwedzi uye/kana edhijitari yeEngine Builders Magazine, pamwe chete nevhiki nevhiki Engine Builders Newsletter, Weekly Engine Newsletter kana Weekly Diesel Newsletter zvakananga mubhokisi rako rekutumira. Iwe uchave wakafukidzwa nesimba rebhiza pasina nguva!
Kunyangwe iwe uri nyanzvi yekuvaka injini, makanika kana mugadziri, kana anofarira mota anoda injini, mota dzemujaho uye mota dzinomhanya, Injini Inovaka ine chimwe chinhu kwauri. Mamagazini edu anodhinda anopa ruzivo rwehunyanzvi pane zvese zvaunoda kuziva nezve indasitiri yeinjini nemisika yayo yakasiyana, ukuwo sarudzo dzedu dzetsamba dzinokuchengetedza uchiziva nezvenhau dzichangoburwa uye zvigadzirwa, ruzivo rwehunyanzvi uye kuita kweindasitiri. Nekudaro, iwe unogona kuwana zvese izvi chete nekunyorera. Nyorera ikozvino kuti ugamuchire edhindi yemwedzi nemwedzi yeEngine Builders Magazine, pamwe neWeekly Engine Builders Newsletter, Weekly Engine Newsletter kana Weekly Diesel Newsletter, zvakananga kubhokisi rako rekutumira. Iwe uchave wakafukidzwa nesimba rebhiza pasina nguva!
Iyo Harley-Davidson Revolution Max 1250 injini yakaunganidzwa papowertrain kambani yePilgrim Road chirimwa muWisconsin. Iyo V-Twin ine kusimuka kwe1250 cc. masendimita, kubereka uye kurova 4.13 inches (105 mm) x 2.83 inches (72 mm) uye inokwanisa kuita 150 horsepower uye 94 lb-ft torque. Iyo yakanyanya torque i9500 uye iyo compression reshiyo ndeye 13: 1.
Munhoroondo yayo yose, Harley-Davidson akashandisa kuvandudzwa kwetekinoroji, achiremekedza nhaka yerudzi rwayo, kuti ape kuita chaiko kune vatasvi chaivo. Imwe yeazvino Harley yekucheka-kumucheto dhizaini dhizaini injini yeRevolution Max 1250, nyowani-itsva yemvura-yakatonhorera V-twin injini inoshandiswa muPan America 1250 uye Pan America 1250 Special modhi.
Yakagadzirirwa agility uye kukwezva, iyo Revolution Max 1250 injini ine yakafara bhendi remagetsi ekuwedzeredza simba. Iyo V-Twin injini yakanyatso kurongedzerwa kuti ipe akakodzera masimba emhando yePan America 1250 modhi, nekusimbisa kune yakatsetseka yakaderera-yekupedzisira torque kuendesa uye yakaderera-yekupedzisira throttle kudzora kwekunze-mumugwagwa.
Yakatarisana nekuita uye kuderedza uremu inotyaira mota uye injini yekuvaka, kusarudzwa kwezvinhu uye inoshanda optimization yechikamu dhizaini. Kuti udzikise huremu hwese hwemudhudhudhu, injini inosanganiswa muPan Am modhi sechinhu chikuru chechasi. Kushandiswa kwezvinhu zvakareruka kunobatsira kuwana yakanakira simba-ku-huremu reshiyo.
Iyo Revolution Max 1250 injini yakaunganidzwa paHarley-Davidson Pilgrim Road Powertrain Operations muWisconsin. Iyo V-Twin ine kusimuka kwe1250 cc. masendimita, kubereka uye kurova 4.13 inches (105 mm) x 2.83 inches (72 mm) uye inokwanisa kuita 150 horsepower uye 94 lb-ft torque. Iyo yakanyanya torque i9500 uye iyo compression reshiyo ndeye 13: 1.
Iyo V-Twin injini dhizaini inopa yakatetepa yekufambisa mbiri, inoisa misa kune yakagadziridzwa chiyero uye mabatiro, uye inopa mutasvi nzvimbo yakakwana yegumbo. Iyo 60-degree V-angle yemasilinda inochengeta injini compact ichipa nzvimbo yekudzika pasi pemiviri miviri inotenderera pakati pemasilinda kuti iwedzere kuyerera kwemhepo uye kunatsiridza mashandiro.
Kuderedza huremu hwekutapurirana kunobatsira kuderedza huremu hwemudhudhudhu, izvo zvinovandudza kushanda zvakanaka, kukurumidza, kubata uye braking. Iko kushandiswa kweFinite Element Analysis (FEA) uye yepamusoro dhizaini dhizaini dhizaini muchikamu chekugadzira injini kunoderedza huwandu hwezvinhu muakakandirwa uye akaumbwa zvikamu. Semuenzaniso, sezvo dhizaini yaifambira mberi, zvinhu zvakabviswa kubva mugiya rekutanga uye camshaft drive giya kudzikisa huremu hwezvinhu izvi. Iyo imwe-chidimbu aluminium cylinder ine nickel-silicon carbide pamusoro electroplating chinhu chakareruka dhizaini, pamwe neyakareruka magnesium alloy rocker chivharo, camshaft chivharo uye chikuru chivharo.
Sekureva kwaHarley-Davidson Chief Engineer Alex Bozmosky, iyo Revolution Max 1250′s drivetrain chinhu chechimiro chechassis yemudhudhudhu. Nokudaro, injini ine mabasa maviri - kupa simba uye sechinhu chekugadzirisa chekisi. Kubviswa kwechinyakare furemu kunoderedza huremu hwemudhudhudhu uye kunopa chassis yakasimba kwazvo. Idzo nhengo dzemberi, nhengo dzepakati furemu uye reshure furemu zvakasungwa zvakananga kune kutapurirana. Vatasvi vanowana kuita kwakaringana kuburikidza nehuremu hwekuchengetedza huremu, chassis yakaoma uye misa centralization.
Mune injini yeV-Twin, kupisa muvengi wekusimba uye kunyaradza kwemutasvi, saka injini inotonhorera-yakatonhorera inochengetedza yakagadzikana uye inodzorwa injini uye tembiricha yemafuta kuti iite zvinoenderana. Nekuti zvinhu zvesimbi zvinokura uye zvibvumirano zvishoma, kushivirira kwakasimba kwechikamu kunogona kuwanikwa nekudzora tembiricha yeinjini, zvichikonzera kuvandudzwa kwekufambisa kuita.
Uye zvakare, iyo yakakwana injini inonzwika uye inonakidza yekupedza noti inogona kutonga sezvo ruzha kubva mukati meinjini masosi inoderedzwa nekutonhora kwemvura. Oiri yeinjini zvakare yakanyoroveswa-kunyoroveswa kuti ive nechokwadi chekushanda uye kusimba kweinjini mafuta mumamiriro ezvinhu akaoma.
Iyo pombi inotonhorera yakavakirwa mumabhengi ekuita kwepamusoro uye zvisimbiso zvehupenyu hwakareba, uye ndima dzinotonhorera dzakabatanidzwa mukukandira kwakaoma kwechivharo che stator kudzikisa huremu hwekutapurirana nehupamhi.
Mukati, iyo Revolution Max 1250 ine macrankpins maviri akadzikiswa ne30 madhigirii. Harley-Davidson akashandisa ruzivo rwayo rwakakura rwemujaho wekuyambuka-nyika kuti anzwisise Revolution Max 1250′s power pulse rhythm. dhigirii kutevedzana kunogona kuvandudza traction mune mamwe off-road kutyaira mamiriro.
Yakanamirwa kune crank uye yekubatanidza tsvimbo inogadzirwa aluminium pistons ine compression reshiyo ye13: 1, iyo inowedzera torque yeinjini pakumhanya kwese. Yepamberi yekugogodza yekuona masensa inoita iyi yakakwirira compression reshiyo igoneke. Injini inoda 91 octane mafuta kuti iwane simba guru, asi inomhanya pamafuta eoctane yakaderera uye inodzivirira kuputika nekuda kwekugogodza sensor tekinoroji.
Pazasi pepiston pane chamfered saka hapana ring compression chishandiso chinodiwa pakuiswa. Iyo piston siketi ine yakaderera friction coating uye yakaderera tension piston mhete inoderedza friction yekuvandudza kuita. Iwo epamusoro mhete anodized kuti agare, uye mafuta-anotonhorera jets anonongedza pasi pepiston kubatsira kubvisa kupisa kwekupisa.
Mukuwedzera, iyo V-Twin injini inoshandisa ina-vharuvhu cylinder misoro (maviri ekutora uye maviri exhaust) kuti ipe iyo yakakura kwazvo nzvimbo yevharuvhu. Izvi zvinosimbisa torque yakadzika-yekupedzisira uye shanduko yakatsetseka kune simba repamusoro sezvo mhepo inoyerera kuburikidza nekamuri yekupisa yakagadziridzwa kuti isangane neinodiwa kuita uye kutamisa zvinodiwa.
Exhaust valve yakazadzwa nesodium kuitira nani kupisa kupisa. Mafuta akamiswa mumusoro anowanikwa kuburikidza nehunyanzvi hwekukanda tekinoroji, uye huremu hunoderedzwa nekuda kwehushoma madziro ukobvu wemusoro.
Musoro wecylinder unokandwa kubva kusimba repamusoro 354 aluminium alloy. Nekuti misoro inoita sechassis yekunamatira mapoinzi, akagadzirirwa kuchinjika panzvimbo iyoyo yekunamatira asi akaomarara pamusoro pekamuri yekupisa. Izvi zvinowanikwa kuburikidza nekunangwa kupisa kurapwa.
Musoro we cylinder zvakare une yakazvimirira yekutora uye exhaust camshafts kune yega silinda. Iyo DOHC dhizaini inosimudzira yakakwira RPM kuita nekudzikisa valve chitima inertia, zvichikonzera yakakwirira peak simba. Iyo DOHC dhizaini inopawo yakazvimirira vheji nguva yevhavha (VVT) pamakamera ekutora uye ekupedza, akagadziridzwa kumberi uye kumashure masilinda kune yakafara bhendi.
Sarudza chaiyo cam profile kuti uwane iyo inonyanya kudiwa kuita. Iyo drive side camshaft inotakura magazini chikamu che drive sprocket, yakagadzirirwa kubvumidza kubviswa kwecamshaft yebasa kana ramangwana rekuita kusimudzira pasina kubvisa camshaft drive.
Kuvhara chitima chevharuvhu paRevolution Max 1250, Harley akashandisa roller pin valve actuation ine hydraulic lash adjusters. Iyi dhizaini inovimbisa kuti vharafu nevhavha actuator (pini) inoramba ichingobatana sezvo tembiricha yejinjini inochinja. Hydraulic lash adjusters inoita kuti valve yechitima igadzirise-isina, kuchengetedza varidzi nguva nemari. Iyi dhizaini inochengetedza nguva dzose kudzvanywa pahunde yevharuvhu, zvichiita kuti iwedzere hukasha camshaft mbiri yekuvandudza kushanda.
Kuyerera kwemhepo muinjini kunobatsirwa neaviri downdraft throttles akaiswa pakati pemasilinda uye akamisikidzwa kugadzira kushoma mhirizhonga uye kuramba kwemhepo. Kuendeswa kwemafuta kunogona kugadziridzwa mumwe nemumwe kune yega silinda, kuvandudza hupfumi uye huwandu. Nzvimbo yepakati peiyo throttle body inobvumira iyo 11-litre air box kuti igare zvakakwana pamusoro peinjini. Mhepo yekamuri yekamuri yakagadziridzwa kuita kweinjini.
Chimiro chebhokisi remhepo chinobvumira kurongeka kwekumhanyisa pane yega yega throttle muviri, uchishandisa inertia kumanikidza yakawanda mhepo mukamuri yekupisa, kuwedzera simba rekubuda. Iyo airbox inogadzirwa kubva kugirazi-izere naironi ine yakavakirwa-mukati zvimbi kubatsira kudzikisira resonance uye kudzikisira ruzha rwekudya. Zviteshi zvekufambisa zvakatarisana nemberi zvinobvisa ruzha kubva kumutyairi. Kubvisa ruzha rwekutora kunobvumira ruzha rwakakwana rwekupedza simba kutonga.
Kuita kwakanaka kweinjini kunovimbiswa neyakavimbika yakaoma sump lubrication system ine mafuta reservoir yakavakirwa mukati me crankcase casting. Mapombi matatu ekudhonza mafuta anodhonza mafuta akawandisa kubva mumakamuri matatu einjini (crankcase, stator chamber uye clutch chamber). Vatasvi vanowana kuita kwakanakisa nekuti kurasikirwa kwesimba kweparasitic kwakaderedzwa nekuti zvemukati zveinjini hazvifanirwe kutenderera nemafuta akawandisa.
Iyo windshield inodzivirira clutch kubva pakuchaja mafuta einjini, izvo zvinogona kuderedza kupihwa kwemafuta. Nekudyisa mafuta kuburikidza nepakati pe crankshaft kune iyo huru uye yekubatanidza tsvimbo mabhengi, dhizaini iyi inopa yakaderera mafuta kudzvanywa (60-70 psi), iyo inoderedza parasitic simba kurasikirwa pakakwirira rpm.
Iyo yekufamba kunyaradzwa kwePan America 1250 inovimbiswa neyemukati chiyero inobvisa yakawanda yeinjini vibration, inovandudza kugadzikana kwemutasvi uye kuwedzera kusimba kwemotokari. Iyo huru yekuenzanisa, iri mu crankcase, inodzora kudengenyeka kukuru kwakagadzirwa ne crankpin, piston uye tsvimbo yekubatanidza, pamwe ne "rolling clutch" kana kuruboshwe-kurudyi kusaenzana kunokonzerwa ne silinda isina kurongeka. Yekubatsira kuenzanisa mumusoro wesilinda yepamberi pakati pemacamshafts inozadzisa iyo main balancer kuti iwedzere kuderedza kuzunguzika.
Chekupedzisira, iyo Revolution Max ndeye yakabatana drivetrain, zvinoreva kuti injini uye matanhatu-anomhanya giya bhokisi zvakaiswa mumuviri wakafanana. Iyo clutch inoshongedzerwa nesere friction discs akagadzirirwa kuti ape nguva dzose kubatikana pane yakanyanya torque muhupenyu hwese clutch. Kudzorera zvitubu mumotokari yekupedzisira yakatsetseka kunze kwe crankshaft torque impulses isati yasvika kubhokisi regiya, kuve nechokwadi chekufambisa kwe torque.
Pakazere, iyo Revolution Max 1250 V-Twin muenzaniso wakanaka wekuti nei Harley-Davidson midhudhudhu ichiri kudiwa kudaro.
Vatsigiri veinjini yesvondo rino ndePennGrade Motor Oil, Elring-Das Original uye Scat Crankshafts. Kana iwe uine injini yaungade kuratidza mune ino nhevedzano, ndapota email Engine Builder mupepeti Greg Jones [email protected]
Nguva yekutumira: Nov-15-2022