Motar da ke da ƙarfin ƙarfin lantarki tana nufin motar da ke da ƙimar ƙarfin lantarki sama da 1000V. Ana amfani da wutar lantarki na 6000V da 10000V sau da yawa. Saboda grid ɗin wutar lantarki daban-daban a ƙasashen waje, akwai kuma matakan ƙarfin lantarki na 3300V da 6600V. Ana samar da manyan injina masu ƙarfi saboda ƙarfin injin ɗin ya yi daidai da samfurin ƙarfin lantarki da na yanzu. Don haka, ana ƙara ƙarfin ƙarancin ƙarfin lantarki zuwa wani ɗan ƙaramin ƙarfi (kamar 300KW/380V). Ana iyakance halin yanzu ta hanyar izinin waya. Yana da wahala a haɓaka ko farashin ya yi yawa. Bukatar ƙara ƙarfin lantarki don cimma babban fitarwar wuta. Abubuwan da ake amfani da su na masu amfani da wutar lantarki mai girma shine babban iko da ƙarfin tasiri mai karfi; rashin amfani shine babban rashin aiki, da wuya a fara da birki.
Aikace-aikace:
Mafi yawan amfani da injina iri-iri shine AC asynchronous Motors (wanda kuma aka sani da induction Motors). Abu ne mai sauƙi don amfani, abin dogara a cikin aiki, ƙananan farashi da ƙaƙƙarfan tsari, amma yana da ƙarancin wutar lantarki da ƙa'idar saurin sauri. Ana amfani da injunan aiki tare a cikin injina masu ƙarfi tare da babban ƙarfi da ƙarancin gudu (duba injinan aiki tare). Motar da ke aiki tare ba wai kawai tana da babban ƙarfin wutar lantarki ba, amma saurin sa ba shi da alaƙa da girman nauyin, kuma ya dogara ne kawai akan mitar grid. Aiki ya fi karko. Ana amfani da injinan DC sau da yawa a lokatai da ke buƙatar ka'idojin saurin kewayon. Amma yana da ma'amala, tsari mai rikitarwa, tsada, mai wahalar kiyayewa, kuma bai dace da yanayi mai tsauri ba. Bayan shekarun 1970, tare da bunkasa fasahar lantarki, fasahar sarrafa saurin injin AC ya yi girma a hankali, kuma farashin kayan aiki yana raguwa, kuma an fara amfani da shi. Matsakaicin ikon injin fitarwa wanda motar zata iya ɗauka a ƙarƙashin ƙayyadadden yanayin aiki (ci gaba, tsarin aiki na ɗan gajeren lokaci, tsarin aiki na lokaci-lokaci) ba tare da haifar da zafi ba ana kiran ƙarfin ƙarfinsa, kuma kula da ƙa'idodi akan farantin suna. lokacin amfani da shi. . Lokacin da motar ke gudana, ya kamata a ba da hankali don dacewa da halayen kaya tare da halayen motar don guje wa gudu ko tsayawa. Motocin lantarki na iya samar da wutar lantarki da yawa, daga milliwatts zuwa kilowatts 10,000. Motar ya dace sosai don amfani da sarrafawa. Yana da damar farawa da kai, hanzari, birki, jujjuyawar juyi, da riƙewa, wanda zai iya biyan buƙatun aiki daban-daban; motar tana da ingantaccen aiki ba tare da hayaki ba, wari, gurɓataccen muhalli, da hayaniya. Kuma karami. Saboda jerin fa'idodinsa, ana amfani da shi sosai a masana'antu da samar da noma, sufuri, tsaro na ƙasa, kasuwanci, kayan aikin gida, da kayan lantarki na likita. Gabaɗaya, ƙarfin fitarwa na injin zai bambanta da saurin lokacin da aka daidaita shi.
Za a iya amfani da jerin yRKK manyan injuna masu ƙarfin lantarki don fitar da injuna daban-daban. Irin su na'urorin hura iska, damfara, fanfunan ruwa, injina, kayan aikin yankan na'ura da sauran kayan aiki, kuma ana iya amfani da su a matsayin manyan masu motsi a ma'adinan kwal, masana'antar injina, masana'antar wutar lantarki da masana'antu da masana'antu daban-daban.
Bugu da ƙari, muna da wasu samfurori masu mahimmanci. Irin su, Motocin shigar da zoben zamewa, Motocin induction na rotor rauni, Motar zoben zamewa, Motar zamewar zobe. Idan kuna son wasu samfuran samfuran, zaku iya tuntuɓar sabis na abokin ciniki.
Yi amfani da rarrabuwa na kowane jerin motoci:
Bugu da kari, idan kuna son wasu samfuran samfuran, zaku iya tuntuɓar sabis na abokin ciniki.
YRKK jerin 6.6kV (710-800) high-voltage uku-lokaci asynchronous Motors za a iya amfani da su fitar da daban-daban inji. Irin su na'urorin hura iska, damfara, fanfunan ruwa, injina, kayan aikin yankan na'ura da sauran kayan aiki, kuma ana iya amfani da su a matsayin manyan masu motsi a ma'adinan kwal, masana'antar injina, masana'antar wutar lantarki da masana'antu da masana'antu daban-daban.
YRKK jerin 11kV masu ƙarfin ƙarfin lantarki na iya samar da karfin farawa mafi girma a ƙarƙashin ƙaramin farawa; Ƙarfin mai ciyarwa bai isa ya fara motar rotor na squirrel cage rotor ba; lokacin farawa ya fi tsayi kuma farawa ya fi yawa; ana buƙatar ƙaramin kewayon babban sauri. Kamar su jan girki, injinan birgima, injin zana waya, da sauransu.
6.6KV High Voltage Motors:
Jerin YRKK 6.6kV (710-800) manyan injina asynchronous mai ɗaukar nauyi mai ƙarfi uku sune na'urori masu jujjuyawar madaidaiciya. Matsayin kariya na motar shine IP44/IP54, kuma hanyar sanyaya shine IC611. Wannan jerin motocin yana da fa'idodi na babban inganci, ceton makamashi, ƙaramar ƙararrawa, ƙarancin girgiza, nauyi mai nauyi, ingantaccen aiki mai dogaro, da shigarwa mai dacewa da kiyayewa. Tsarin da nau'in shigarwa na wannan jerin motoci shine IMB3. Mahimman ƙima shine ci gaba da ƙima bisa tsarin ci gaba da aiki (S1). Matsakaicin ƙimar motar shine 50Hz kuma ƙimar ƙarfin lantarki shine 6kV. Ana iya tuntuɓar wasu matakan ƙarfin lantarki ko buƙatu na musamman tare da mai amfani lokacin yin odar Tattaunawa tare.
11KV High Voltage Motors:
YRKK jerin 11KV rauni rotor uku-lokaci asynchronous Motors samfurori ne na ƙasata a cikin 1980s, kuma matakan ƙarfin su da girman shigarwa sun dace da ƙa'idodin Hukumar Lantarki ta Duniya (IEC). Wannan jerin motocin yana da fa'idodi na babban inganci, ceton makamashi, ƙaramar ƙararrawa, ƙarancin girgiza, nauyi mai nauyi, ingantaccen aiki mai dogaro, da shigarwa mai dacewa da kiyayewa. Wannan jerin injinan suna ɗaukar tsarin rufin F-class, kuma an tsara tsarin ɗaukar hoto daidai da IP54. Ana shafawa da mai kuma yana iya ƙarawa da zubar da mai ba tare da dakatar da injin ba.
Ka'idojin saurin gudu:
Daga mahangar yanayin kasuwa, fasahar sarrafa saurin mota mai ƙarfi za a iya raba zuwa nau'ikan masu zuwa:
1. Haɗin ruwa
Ana ƙara mai kunnawa tsakanin motar motsa jiki da ma'aunin nauyi don daidaita matsa lamba na ruwa (yawanci mai) tsakanin masu motsa jiki don cimma manufar daidaita saurin kaya. Wannan hanyar ka'idar saurin shine ainihin hanyar amfani da wutar lantarki zamewa. Babban hasararsa shine yayin da saurin ya ragu, ingancin ya zama ƙasa da ƙasa, injin yana buƙatar cire haɗin daga kaya don shigarwa, kuma aikin kulawa yana da girma. Ana maye gurbin hatimin shaft, bearings da sauran sassa, kuma wurin gabaɗaya ya ƙazantu, wanda ke nufin cewa kayan aikin ba su da daraja kuma fasaha ce da ta tsufa.
Masu ƙera waɗanda suka fi sha'awar fasahar sarrafa saurin sauri a farkon zamanin, ko dai saboda babu fasahar sarrafa saurin wutar lantarki da za a zaɓa daga, ko kuma la'akari da ƙimar farashi, akwai wasu aikace-aikacen haɗin gwiwar ruwa. Irin su fanfunan ruwa daga kamfanonin ruwa, fanfunan ciyar da tukunyar jirgi da kuma jawo daftarin magoya baya a cikin masana'antar wutar lantarki, da masu cire ƙura a cikin injinan ƙarfe. A zamanin yau, wasu tsofaffin kayan aiki an maye gurbinsu da sannu-sannu da canjin mitar wutar lantarki a cikin canji.
2. High-low-high inverter
Mai jujjuya mitar mai jujjuyawar mitar mai ƙarancin ƙarfin wuta ce, wanda ke amfani da na'ura mai canzawa mataki-saukar da na'ura mai ba da wutar lantarki da na'ura mai ɗaukar hoto don gane ma'amala tare da grid mai ƙarfi da injin. Wannan fasaha ce ta canji lokacin da fasahar musanya mai ƙarfi mai ƙarfi ba ta da girma.
Saboda ƙarancin wutar lantarki na ƙananan inverter, halin yanzu ba zai iya tashi ba tare da iyaka ba, wanda ke iyakance ƙarfin wannan inverter. Saboda kasancewar na'urar taransifoma, aikin na'urar yana raguwa kuma yankin da aka mamaye yana ƙaruwa; Bugu da ƙari, ƙarfin haɗin gwiwar maganadisu na na'ura mai fitarwa yana raunana a ƙananan mita, wanda ke raunana ƙarfin nauyin inverter lokacin da aka fara shi. Abubuwan jituwa na grid ɗin wutar lantarki suna da girma. Idan an yi amfani da gyaran gyare-gyare na 12-pulse, ana iya rage masu jituwa, amma ba zai iya cika ka'idoji masu mahimmanci ga masu jituwa ba; yayin da na’urar wutar lantarki ke kara habaka, dv/dt din da na’urar inverter ke samarwa shi ma yana kara girma, kuma dole ne a sanya tacewa Yana iya dacewa da injinan talakawa, in ba haka ba zai haifar da zubar da ruwa da kuma lalacewar insulation. Ana iya guje wa wannan yanayin idan an yi amfani da motar mitar mai canzawa ta musamman, amma yana da kyau a yi amfani da inverter mai ƙananan ƙananan.
3. High and low inverter
Mai jujjuya mitar mitar mai ƙaramar ƙarfin wuta ce. Ana amfani da na'ura mai canzawa a gefen shigarwa don canza babban ƙarfin lantarki zuwa ƙananan ƙarfin lantarki, kuma ana maye gurbin babban motar lantarki. Ana amfani da injin ƙarancin wuta na musamman. Matsayin ƙarfin lantarki na motar ya bambanta kuma babu ƙaƙƙarfan ma'auni.
Wannan hanya tana amfani da ƙananan masu juyawa na mitar wuta tare da ƙaramin ƙarfi da manyan jitu a gefen grid. Ana iya amfani da gyaran gyare-gyaren bugun jini 12 don rage jituwa, amma ba zai iya cika ka'idodin jituwa ba. Lokacin da inverter ya kasa, ba za a iya saka motar a cikin grid na mitar wutar lantarki don aiki ba, kuma za a sami matsaloli a aikace-aikacen a wasu lokuta waɗanda ba za a iya dakatar da su ba. Bugu da ƙari, dole ne a maye gurbin motar da kebul, wanda ke buƙatar babban adadin aiki.
4. Cascade gudun sarrafa inverter
Wani ɓangare na makamashin rotor na injin asynchronous ana ciyar da shi zuwa grid ɗin wuta, ta haka yana canza zamewar rotor don cimma ƙa'idar saurin. Wannan hanyar sarrafa saurin tana amfani da fasahar thyristor kuma tana buƙatar amfani da injunan asynchronous rauni. A yau, kusan dukkanin rukunin masana'antu suna amfani da motosin squirrel cage asynchronous. , Yana da matukar damuwa don maye gurbin motar. Matsakaicin sarrafa saurin wannan yanayin sarrafa saurin shine gabaɗaya kusan 70% -95%, kuma kewayon sarrafa saurin yana kunkuntar. Fasahar Thyristor na iya haifar da gurɓataccen yanayi zuwa grid; yayin da saurin ya ragu, ƙarfin wutar lantarki a gefen grid shima ya zama ƙasa, kuma ana buƙatar ɗaukar matakai don ramawa. Fa'idarsa ita ce ƙarfin juzu'in juzu'in mitar ƙanƙanta ne, kuma farashin ya ɗan yi ƙasa kaɗan fiye da sauran fasahar jujjuya saurin mitar AC mai ƙarfi.
Akwai bambance-bambancen wannan hanyar kayyade saurin gudu, wato tsarin daidaita saurin martani na ciki, wanda ke kawar da buƙatun ɓangaren inverter na na'urar, kuma yana amfani da iskar martani kai tsaye a cikin iskar stator. Wannan hanya tana buƙatar maye gurbin motar. Sauran bangarorin aiki suna da alaƙa da ƙa'idar cascade. Hanyar sauri.
Na'urar kariya:
Ana amfani da na'urorin kariya na bambance-bambancen motoci a manyan masana'antar wutar lantarki mai ƙarfi, masana'antar sinadarai da sauran wurare. Idan gazawa mai tsanani ya sa motar ta ƙone, zai yi tasiri sosai ga samar da al'ada kuma ya haifar da asarar tattalin arziki mai yawa. Don haka, dole ne a kiyaye shi sosai. Na'urar kariyar motar da aka haɗa da ita ta kasance ta musamman don ƙananan motoci masu matsakaici da matsakaici, suna ba da ayyukan kariya kamar saurin hutu na yanzu, wuce gona da iri na zafi mai jujjuyawar lokaci, tabbataccen madaidaicin mataki biyu, jerin sifili na yanzu, matsananciyar rotor, lokacin farawa da yawa, kuma akai-akai farawa. . Amma game da ƙarin-manyan ƙarfin injin sama da 2000KW, ba za su iya biyan buƙatun kulawar kariya da aikin gaggawa ba idan akwai gazawar ciki. Don haka, an ƙera wannan na'urar kuma an haɗa shi tare da cikakkiyar na'urar kariya don samar da ƙarin aminci da matakan kariya ga manyan injina. An ƙirƙira wannan na'urar azaman bambance-bambancen tsayi na matakai uku, saboda 3KV, 6KV, da 10KV wutar lantarki inda ƙarin manyan injunan iya aiki sama da 2000KW na iya zama grid inda tsaka tsaki na taswirar ke ƙasa ta babban juriya. Ba za a iya amfani da kariyar madaidaiciyar madaidaiciyar matakai guda uku ba azaman iskar iskar motar. Babban kariya ga gajeriyar kewayawa tsakanin matakai da wayoyi na gubar, kuma ana iya amfani da su azaman babban kariya ga kurakuran ƙasa lokaci-lokaci, yin aiki a kan faɗuwa nan take.
Nano insulating kayan:
Tun daga 1980s da 1990s, bincike kan nano-dielectrics a fagen masana'anta da aikace-aikace masu rufewa yana aiki sosai. An gabatar da wasu nanocomposites tare da kyakkyawan aiki a cikin ƙasashen Turai da Amurka a farkon 1990s, kamar polyamide mai jure wa corona. Imine film, corona resistant enameled waya, Nano composite giciye-linked polyethylene high irin ƙarfin lantarki na USB, da dai sauransu Wadannan nanocomposite kayan suna da fice yi cikin sharuddan corona juriya da partially fitarwa juriya, wanda da dama ko ma daruruwan sau sama da na gargajiya kayan. Bayan fitowar su, an yi amfani da su cikin sauri a cikin fagage masu motsi na mitar mita da manyan igiyoyi masu ƙarfi.
Amfani da nanoparticles don haɓaka gyare-gyaren manyan kayan rufewa yana ɗaya daga cikin mahimman abubuwan haɓakawa don babban rufin manyan injina. Wasu kamfanoni na kasashen waje sun kammala gwajin sandar waya a kan nanocomposite main insulation kuma sun shiga matakin samar da gwaji, yayin da bincike mai alaka a cikin kasata Ya fara, kuma har yanzu ba a samu ma'aikata da kayan aikin da aka saka ba. Kada mu saba da kwaikwayi ko gabatar da sabbin kayayyaki na kasashen waje bayan sun fito. Wannan ba zai iya kaiwa ga ci gaba da ci gaban ƙasashen waje ba, kamar fim ɗin polyimide mai jure wa corona, fentin waya mai ƙura da sauran kayayyaki, mun kwaikwayi fiye da shekaru goma. bai kai matakin samfuran ci gaban kamfanoni na waje ba. Baya ga dalilai irin su kayan aiki marasa kyau da kayan aiki, wasu mahimman fasahohin suna da wahala a kwaikwaya, kamar fasahar watsawa na Nano da fasahar gyaran fuskar foda. Saboda shingen kasuwanci da fasaha da wasu dalilai, ana sa ran ba za a bayyana waɗannan mahimman fasahohin ba ko kuma a tura su waje cikin ɗan gajeren lokaci. Ta hanyar bincike mai zaman kansa ne kawai za mu iya ƙware mahimman fasahohin da suka dace da kuma taƙaita rata tare da fasahohin ƙasashen waje.
Bambanci tsakanin babban ƙarfin lantarki da ƙaramin ƙarfin lantarki
1. Abubuwan da aka rufe na coils sun bambanta. Don ƙananan injunan wutan lantarki, coils galibi suna amfani da waya mai ƙyalli ko wasu injuna mai sauƙi, kamar takarda mai hade. Rubutun manyan injinan lantarki yawanci yana ɗaukar tsarin multilayer, kamar foda mica tef, wanda ke da tsari mai rikitarwa da juriya mafi girma. babba.
2. Bambanci a cikin tsarin zubar da zafi. Motoci masu ƙarancin ƙarfin lantarki galibi suna amfani da magoya bayan coaxial don sanyaya kai tsaye. Yawancin injina masu ƙarfin lantarki suna da radiators masu zaman kansu. Galibi nau'ikan fanfo iri biyu ne, saiti ɗaya na magoya bayan zagayawa na ciki, saitin magoya baya na waje ɗaya, sai kuma saiti biyu Magoya bayan suna gudu lokaci guda, kuma ana yin musayar zafi akan na'urar don fitar da zafi a wajen motar.
3. Tsarin ɗaukar hoto ya bambanta. Motoci marasa ƙarfi yawanci suna da saitin bearings a gaba da baya. Don mahimmin mashaya, saboda nauyin nauyi, yawanci akwai saiti biyu na bearings biyu a ƙarshen faɗaɗa. Yawan bearings a ƙarshen tsawo mara igiya ya dogara da kaya. Motar za ta yi amfani da bearings na zamiya.
Babban ƙarfin lantarki da ƙarancin ƙarfin lantarki
Motar low-voltage tana nufin motar da ƙimar ƙarfin lantarki ƙasa da 1000V, da kuma babban ƙarfin lantarki mai ƙarfin sama ko daidai da 1000V.
Ƙimar wutar lantarki ta bambanta, farawa da aiki na yanzu sun bambanta, mafi girman ƙarfin lantarki, ƙarami na yanzu; Insulation da jurewar wutar lantarki na motar suma sun sha bamban, wayoyi na iskar motar suma iri daya ne, injin wutar lantarki iri daya ne, babbar wayar wutar lantarki ta yi kasa da karancin wutar lantarki Akwai karancin igiyoyi, kuma igiyoyin da ake amfani da su sun banbanta. .
Binciken Rashin Gaɓar Motar Babban Wutar Lantarki
Yawancin bearings sun karye saboda dalilai da yawa, fiye da nauyin da aka kiyasta na asali, rufewar da ba ta da tasiri, ƙananan ƙwanƙwasawa da ke haifar da matsa lamba, da dai sauransu. Duk wani daga cikin waɗannan abubuwan yana da nau'in lalacewa na musamman kuma zai bar alamun lalacewa na musamman.
Bincika abubuwan da aka lalata, a mafi yawan lokuta, ana iya samun dalilai masu yiwuwa. Gabaɗaya, kashi ɗaya bisa uku na lahani na lalacewa yana faruwa ne ta hanyar lalacewa, na ukun kuma yana haifar da ƙarancin mai, da sauran maki uku. Ɗayan shine saboda gurɓatawa da ke shiga cikin ma'auni ko shigarwa da magani mara kyau.
Bisa ga bincike, yawancin injuna masu ƙarfin lantarki sune tsarin ɗaukar hoto mai ɗaukar hoto na ƙarshen murfi da tsarin jujjuyawar murfin ƙarshen. Bayan taƙaitawa da kuma nazarin ƙwarewar kulawa na manyan motoci masu ƙarfin lantarki daban-daban, mun yi imanin cewa akwai matsaloli masu zuwa: Ƙarshen murfin zamiya nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'in) na'ura mai kwakwalwa. . Yana haifar da lalata ga ma'aunin stator na motar, kuma yana haifar da yawan mai da ƙura a cikin motar, wanda ke haifar da rashin samun iska da lalacewa ga motar saboda yawan zafin jiki. Gilashin zamiya kuma sun fi rikitarwa fiye da birgima.
Nau'in Akwatin Mota mai ƙarfin lantarki: Wannan injin wani sabon nau'in injin ne da aka samar a ƙasata a cikin 'yan shekarun nan, kuma ayyukansa da kamanninsa sun fi na'urorin JS jerin. Duk da haka, injinan da wasu masana'antun ke samarwa suna da wasu nakasu a cikin zane na bearings, wanda ke haifar da raguwa mai yawa yayin aiki na injin. Tsarin waɗannan injinan an sanye shi da baffa mai tare da ɗan ƙaramin sharewa daga abin da ke waje na abin hawa, ta yadda maiko a cikin injin ɗin za a iya kiyaye shi sosai, amma wannan tsarin yana da lahani masu zuwa:
Saboda kasancewar farantin baffle ɗin mai, ba za a iya bincika motar ba ko da an buɗe murfin ɗaukar hoto yayin ƙaramin gyara. Duk da haka, a lokacin gyaran motar, ba za a iya tsaftace abin da ke ciki ba tare da cire farantin mai ba. Ana buƙatar maye gurbin kawai, wanda ke haifar da sharar da ba dole ba. Ba shi da amfani ga zubar da zafi na ɗaukar nauyi da kuma zazzagewar mai mai mai, ta yadda yanayin zafi ya ƙaru yayin aiki, kuma aikin man shafawa yana raguwa, wanda hakan ke haifar da muguwar yanayin yanayin zafi. wanda ke lalata ɗaki. Saboda bukatar da ake da shi na wargaza tarkacen mai da kuma maye gurbin na’urar a lokacin da ake gyarawa da yawa, ramin da ke ciki na tulun mai da ramin da ake cirewa, ana cire baffle din daga ramin yayin da ake aiki, wanda ke haifar da gazawa.
Nau'in ɗaukar nauyi: Ƙaƙƙarfan gefen mara kyau na yawancin injina a cikin ƙasata sune na'urorin na'ura na silindical, kuma gefen iska yana ɗaukar ƙwallon ƙafa ta tsakiya. A lokacin aikin motar, an daidaita tsawon rotor ta hanyar mummunan gefe. Idan haɗin haɗin motar da na'ura shine haɗin gwiwa na roba, ba zai yi tasiri sosai a kan motar da na'ura ba. Idan maɗaukakiyar haɗaɗɗiya ce, injin ko injin zai yi rawar jiki har ma ya haifar da lalacewa.
Motoci masu ɗaure biyu: Wasu injina masu ƙarfin ƙarfin lantarki da ake samarwa a yanzu haka a ƙasarmu suna ɗaukar tsari mai ɗauri biyu a gefen lodi. Kodayake wannan yana ƙara ƙarfin ɗaukar nauyin radial na gefen kaya, yana kawo wahala ga kulawa. Lokacin da aka yi amfani da motar, ba za a iya tsaftacewa da dubawa ba kuma dole ne a maye gurbinsa, in ba haka ba ba za a iya tabbatar da ingancin gyaran ba, wanda ke haifar da karuwa a farashin gyaran. A cikin motoci tare da wannan tsari, yawancin bearings suna da ƙananan zafin jiki yayin aiki, wanda ya rage rayuwar sabis na bearings kuma ya lalata su.
Matsalolin zaɓi na ɗaukar nauyi: Bisa ga bincike da lissafin mu na motsin motsi, gazawar motsi yana da dangantaka mai girma tare da zaɓin ɗaukar hoto. Daga kwatancen injinan ƙasata da injinan da ake shigowa da su, ɗorawa masu ɗaukar nauyi na manyan injinan cikin gida gabaɗaya suna amfani da matsakaita masu girma dabam. Ƙarfin lodin radial na ɗaukar nauyi ya zarce ƙimar ƙididdigewa, amma saurin da aka yarda ya bambanta da ainihin gudun motar da ɗan kadan, yana haifar da ɗaukar nauyi don isa ga rayuwar sabis ɗin da aka ƙididdigewa. Ƙaƙwalwar gefen lodi na motar matsakaicin girman da aka shigo da ita gabaɗaya tana amfani da ɗaukar nauyin ƙwallon haske mafi girma, yayin da gefen mara ɗaukar nauyi yana amfani da abin nadi mai haske ƙarami fiye da gefen lodi. Wannan ba wai kawai yana tabbatar da ƙarfin ɗaukar nauyi ba, amma har ma da izinin izinin saurin ɗaukar nauyi ya wuce ƙimar ainihin saurin motar ana iya isa ko wuce rayuwar sabis na ɗaukar nauyi.
