Injin SOHC (camshaft na sama guda ɗaya) ba a cika yin amfani da shi ba a cikin samfuran aikin ƙaura na gama gari a kasuwa, saboda saurin babura da aka saba amfani da shi yana da girma.

Tsarin SOHC yana da sauƙi fiye da na DOHC, amma ko da yake yana da camshaft guda ɗaya kawai, yana buƙatar a watsa shi zuwa bawuloli guda hudu ta hanyar makamai masu linzami guda biyu don sarrafa budewa da rufe bawuloli.

amfani:

Saboda gaskiyar cewa camshaft ɗaya ce kawai, wanda ke gudana kai tsaye ta hanyar kayan aiki na lokaci, injin ɗin ba ya yin tasiri da juriya na jujjuyawar camshaft lokacin da saurin ya ƙaru, kuma yana iya kammala fitar da ɓangaren ƙananan sauri cikin sauri.Kudin kulawa yana da ƙasa, tsarin yana da sauƙi, kuma man fetur ya fi ƙarfin tattalin arziki a kan ƙananan hanyoyi masu sauri da ake amfani da su.

Rashin hasara:

A babban gudu, saboda elasticity na bawul rocker hannu, akwai abubuwa da yawa masu maimaitawa waɗanda ke haifar da inertia.Sabili da haka, kula da bugun jini na bawul a babban gudu na iya rasa kwanciyar hankali da daidaito, kuma ana iya samun wasu girgiza ko hayaniya maras buƙata.

DOHC

Kamar yadda sunan ke nunawa, DOHC a zahiri yana tafiyar da camshafts guda biyu.Domin camshafts ne guda biyu, camshafts na iya jujjuya su kuma danna bawul ɗin kai tsaye.Babu matsakaicin hannu na rocker, amma yana buƙatar dogon sarƙoƙi ko bel don tuƙi.

amfani:

A tsarin magana, kwanciyar hankali da daidaito na iskar jujjuyawar juyi don injin sun fi kyau, wanda ke da amfani don haɓaka aikin injin.Saboda rashin na'urorin haɗi masu yawa da yawa da watsa shirye-shiryen watsawa, sarrafa girgiza ya fi kyau.Yin amfani da kyamarori masu zaman kansu guda biyu suna ba da damar yin amfani da ɗakin konewa mai siffar V, kuma kusurwar bawul ɗin kuma na iya zama mafi sassauƙa a ƙira.Ana iya sanya walƙiya a tsakiyar ɗakin konewa, yana ba da gudummawa ga cikakkiyar konewa iri ɗaya.

Rashin hasara:

Saboda buƙatar fitar da kyamarorin biyu, za a sami asarar juzu'i a cikin ƙananan hanzarin hanzari na injin.Saboda tsarinsa mai rikitarwa, kulawa da gyarawa da matsaloli sun fi na SOHC.

A cikin manyan injunan ƙaura, yawancin injunan suna amfani da DOHC saboda tsarin zai iya yin ingancin tuki na manyan injunan ƙaura, kuma ƙarfin bugun jini guda ɗaya na manyan injunan ƙaura kuma yana da ƙarfi, kuma asarar ƙarancin ƙarancin torsion zai zama ƙarami.

Kamar motoci, idan ƙananan motocin gida masu ƙananan ƙaura suna sanye da DOHC, yana da kyau a matsar da farashi da inganta ƙimar farashi fiye da amfani da SOHC da tsayin daka don inganta ƙwarewar mai amfani.

Duk da haka, ya kamata a jaddada cewa motocin DOHC ba dole ba ne suna da ƙananan karfin juzu'i, kuma motocin SOHC ba dole ba ne suna da ƙananan karfin wuta.Har yanzu ya dogara da saitunan kunna sauran kayan injin.Tsarin guda biyu yana shafar yuwuwar aikin injin da tattalin arzikin mai da inganci a ƙarƙashin wasu yanayin aiki.