Menene bambanci tsakanin 75w90 gear oil da 75w85?
Abubuwa
Menene danko mai?
Kewayon mai na zamani na iya girgiza wani lokaci kuma ya sanya kowane mai mota ya ruɗe. Baya ga alamomin da ba a fahimta ba, akwai kuma rarrabuwar mai zuwa nau'ikan kamar haka:
- Ma'adinai.
- Semi-synthetics.
- Synthetics.
Kowane ɗayan waɗannan ruwaye yana siffanta kaddarorin mutum da fasali. Duk da haka, mai motar ya kamata ya kula da waɗannan rubutun ba, amma ga babban ma'auni don zabar man fetur - danko.
Wannan siga ce ta ba ka damar fahimtar ko zai yiwu a yi amfani da ruwa don aiki a cikin wani yanayin zafin jiki. A wasu kalmomi, ma'aunin danko yana ba ku damar sanin ikon ruwan don kula da yanayinsa na asali a cikin aikin lubricating sassa, saboda kowa ya san cewa man da ke cikin akwatin gear yana girma lokacin da zafin jiki a waje ya ragu. Wannan yana haifar da lubrication ba daidai ba kuma, daidai da haka, matsaloli a cikin aiki na akwatin gear.
SAE Index
Dangane da rarrabuwar SAE, an raba man gear zuwa nau'ikan masu zuwa:
- Ruwa don aiki a cikin hunturu (ana buƙatar harafin Ingilishi W a cikin alamar).
- Liquid don aiki a lokacin rani (babu index a cikin alamar).
- Duk ruwan yanayi. A cikin alamar sa, lambobi biyu suna nan a lokaci ɗaya, waɗanda harafin W ya raba su.
Nau'in mai na ƙarshe na iya amfani da masu ababen hawa a duk shekara.
Ya kamata a lura da cewa buƙatun kowane nau'in mai na gear ɗin an tsara su a cikin rarrabuwa mai suna SAE J306. Hakanan yana nuna matsakaicin halaltaccen yanayin aiki na ruwa don akwatin gear, dangane da aji.
| Matsayi na danko | Mafi qarancin zafin jiki don isa dankon motsi |
| 70W | -55 |
| 75W | -40 |
| 80W | -26 |
| 85W | -12 |
Bambance-bambancen gaba ɗaya
Lokacin yiwa mai, lamba ta farko tana nufin aji danko lokacin amfani da samfura cikin kewayon zafin jiki mara kyau. Darajar lamba ta biyu bayan harafin W tana ɗauke da bayanai game da ma'aunin danko don amfani da mai a cikin kewayon zafin jiki mai kyau. Ƙananan ƙimar siga na farko kuma mafi girma na biyu, mafi kyawun ruwa zai kasance. An bayyana wannan ta gaskiyar cewa ƙananan lambar farko na iya tabbatar da motsin motsi na kyauta a yanayin zafi maras nauyi, kuma babban darajar lambar na biyu yana ba da tabbacin ƙara ƙarfin fim ɗin da ake ƙirƙira.
Bayan nazarin bambance-bambancen bambance-bambance a cikin alamar man kaya, za mu iya ci gaba zuwa takamaiman misalai.
Menene bambanci tsakanin 75w90 da 75w85?
Dukansu ruwayen za su sami ƙimar zafin sanyi iri ɗaya. Koyaya, don 75W85 mai, ƙimar aiki a cikin ingantaccen kewayon zai kai zuwa digiri 35, kuma ga ruwa mai alamar 75W90, matsakaicin izinin aiki da zafin jiki yana cikin digiri 45.
Menene bambanci tsakanin 75w90 da 75w80?
Halin ya yi daidai da waɗannan ruwan watsawa. Bambance-bambancen suna cikin babban kofa don aiki na ruwa a yanayin zafi mai kyau a waje da taga.
Menene bambanci tsakanin 75w90 da 80w90?
A cikin wannan juzu'in na kwatanta mai guda biyu, ba madaidaicin yanayin zafi ne ke zuwa gaba ba, amma mara kyau. Don haka, ana iya amfani da ruwa mai lamba 75W90 ko da a -40 digiri. Kuma da halatta iyaka ga aiki na 80W90 watsa man fetur -26 digiri.
Tare da zaɓin da ya dace na ruwa don akwatin gear, zaku iya sauƙaƙe sarrafa abin hawa saboda mafi ƙarancin aiki na tsarin watsawa. Daga direban a cikin wannan yanayin, za a buƙaci ƙaramin ƙoƙari don canza kayan aiki.
