Tsarin dakatarwa - ta yaya yake shafar abubuwan injin guda ɗaya a cikin amfanin yau da kullun?
Motoci masu injunan dakatarwa sun zama ma'auni na motocin fasinja saboda ƙara tsauraran ƙa'idojin fitar da hayaki a Turai. Yana aiki ta hanyar kashe motar, alal misali, a fitilun zirga-zirga, wanda, bisa ga masu zanen kaya, ya kamata ya shafi tattalin arzikin man fetur da kuma rage fitar da iskar gas mai cutarwa a cikin yanayi. Lokacin yanke shawarar siyan mota tare da wannan tsarin, yana da daraja la'akari da fa'idodin samunsa da kuma matsalolin da ke tattare da amfani da yau da kullun.
Yaya ta yi aiki?
Bayan tsayar da motar, zabar koma baya da sakin kama, na'urar wutar lantarki ta kashe ta atomatik. Injin yana sake farawa lokacin da fedal ɗin kama (a kan motocin da ke da watsawa ta hannu) ko fedar ƙararrawa akan motocin da ke da watsawa ta atomatik. Tsarin farawa yana da aikin taimako kuma direba na iya kashe shi a kowane lokaci.
Tare da nauyin tribological
Ta hanyar ma'anar, ɗorawa tribological nau'in lalacewa ne wanda ke haifar da matakan gogayya, a cikin abin da taro, tsari da kaddarorin jiki na saman yadudduka na wuraren hulɗar ke canzawa. Ƙarfin lalacewa na tribological ya dogara ne akan juriya na sassan sassa na farfajiya da nau'in hulɗar. Da yawa don ayyana. Amma ta yaya wannan ke da alaƙa da aikin tsarin farawa da tasirinsa akan injin mota?
Ɗayan sakamakon da ba a so na tsayawa da farawa akai-akai shine nauyin tribological da ke da alaƙa da tafiyar matakai tsakanin sassan injin guda ɗaya. Waɗannan su ne galibi bearings na camshaft da daidaita shaft, abin da ake kira balancer (idan an shigar da shi akan takamaiman tuki), manyan bearings, sandar haɗi da fistan fistan. A duk lokacin da injin ya fara aiki, na ɗan daƙiƙa kaɗan ana samun hulɗa kai tsaye tsakanin sassa daban-daban na injin ɗin (ƙarfe-zuwa-ƙarfe), wanda mafi girman haɗin ke faruwa - har zuwa kashi 75 cikin ɗari. lalacewar injin da lalacewar da ke da alaƙa. Hakan ya faru ne saboda a wurin da ake tuntuɓar sassan injin ɗin kai tsaye akwai wani fim ɗin mai da ya wuce kima, wanda masana ke kira Layer lubricating Layer. Don cikakken fahimtar sikelin matsalar, ya kamata a tuna cewa daidaitattun hanyoyin samar da wutar lantarki na kusan 50 na kunna wuta da zagayowar kashewa a duk rayuwar motar, yayin da a cikin motar da ke da tsarin dakatarwa wannan ƙimar na iya ma wuce 000. piling. sama, masu zanen tsarin farawa sun yi sa'a sun hango yanayin da injin ba zai kashe da kansa ba. Kwamfutar sarrafawa ba za ta kashe ta ba idan yanayin aiki ya yi ƙasa da ƙasa. Haka lamarin yake idan yanayin zafi ya yi yawa. A daya hannun, a cikin motocin sanye take da turbocharger, tsarin ba zai kashe drive idan yana da zafi (misali, bayan wani tsauri tafiya). Injin zai kashe bayan ɗan lokaci ko kuma a tasha ta gaba.
Nanotechnology don ceto
Ƙarfe-zuwa-karfe kai tsaye ba ita ce kawai matsala ta injunan da aka dakatar da sake kunnawa ta amfani da tsarin farawa ba. Yawan tsayawa naúrar tuƙi yana sa mai ya zube a cikin tafki, matsalar kuma ita ce ƙarancin zafin mai, watau. a cikin babban danko daga farkon injin har sai na karshen ya kai yanayin zafin aiki da ya dace. Don rage haɗarin haɗari wanda ke iyakance rayuwar rukunin tuƙi, yakamata a yi amfani da mafi kyawun man inji. Shawarwari ɗaya a wannan batun ita ce, abin da ake kira Nanodrive Oils, wanda aka yi nasarar yin amfani da su a cikin manyan motocin da ke aiki shekaru da yawa. Ta yaya suka bambanta da takwarorinsu na gargajiya? Waɗannan mai da farko sun ƙunshi abubuwan da ke haifar da ƙarancin juzu'i akan sassan ƙarfe na injin. Haƙiƙan ƙididdigewa, duk da haka, shine gaskiyar cewa wannan shafi, wanda aka sani da fasaha a matsayin tribofilm, yana kasancewa a saman ko da lokacin da zafin injin ɗin ya faɗi lokacin da injin ɗin ya kashe (babu ko a iyaka tare da mai na mota na al'ada). Wannan yana iyakance rikici mai haɗari, watau. tsakanin zobba da silinda da daidai lalata crankshaft da bawul gogayya. Da alama, saboda haka, cewa tribofilm zai iya kare kariya daga ƙarfe na injin - duka a cikin yanayi mai mahimmanci, watau. tare da injin sanyi kuma tare da kashe injin, kuma a cikin yanayi mai ƙarfi yayin tuƙi na yau da kullun.
