Ci gaba da tabarbarewar tattalin arzikin duniya, hauhawar farashin mai, da ci gaba da inganta matakan rage hayakin iskar gas sun tilastawa kamfanonin jigilar kayayyaki rage nauyin manyan injina don rage farashi. Don injin dizal mai saurin canzawa, idan an rage nauyin (gudun juyawa), kodayake za a rage yawan amfani da mai, zai karkata daga yanayin aiki mafi kyau na ƙirar. A gefe guda, ƙarancin konewar mai, ajiyar carbon akan pistons da zoben piston zai rage tasirin thermal, kuma a gefe guda, ƙarancin lubrication zai ƙara tsananta nau'ikan lalacewa iri-iri na ɓarna yana ƙara haɗarin rashin lafiya. Don aminci da haɓaka ingancin zafi na injin dizal a ƙaramin nauyi, da fatan za a ɗauki matakan masu zuwa lokacin da tsarin abubuwan asali ya kasance baya canzawa.
An rage nauyin babban injin, an rage yawan allurar man fetur na kowane zagaye na aiki, an rage yawan kayan acid daidai, kuma an rage man silinda da ake buƙata don kowane zagaye na aiki. Yawan allurar mai na man silinda (jimlar lambar tushe TBN ba ta canzawa) an rage shi yadda ya kamata, wanda ke adana man silinda. , ba tare da shafan lubrication na al'ada ba, amma kuma rage coking da carbon adibas a cikin dakin konewa domin rage abrasive lalacewa tsakanin piston zobe da Silinda liner.
Nawa ne daidai don rage adadin allurar mai?
Kamata ya yi ya dogara ne akan ƙididdige ƙididdiga da bincike mai amfani:
● Ƙididdigar ka'idar - - Yi ƙididdigewa da ƙayyade adadin man da aka yi a cikin silinda bisa ga ragi na adadin allurar man fetur a kowace juyin juya halin babban injin (wanda ake kira "ka'idar kaya").
Ana ɗauka cewa ƙarar allurar mai a cikin yanayin aiki na daidaitawa shine Ab, ƙarar allurar mai A = 60% Ab don babban injin don rage nauyi kuma yayi aiki a 60% na nauyin haɓakawa.
● Abubuwan da aka gano daga ainihin dubawa-coking, lalacewa, sauran man silinda, da dai sauransu akan bangon bangon silinda da zoben piston.
Sakamakon daidaitawa na ƙarshe ya kamata ya zama ɗan girma sama da ƙimar ƙima (saboda wasu abubuwan da ba su da kyau), kuma ba ƙasa da 40% na ƙarar allurar mai ba.
Ya kamata a saukar da adadin allurar man fetur sau da yawa.
Duk lokacin da kuka daidaita, bincika bayan gudu na ɗan lokaci don tantance mafi kyawun ƙimar.
