ʻO ka ʻaila ʻaila Diesel viscosity. Nā papa a me nā hoʻoponopono
Nā mea
No ke aha i ʻoi aku ka kiʻekiʻe o nā koi no nā ʻenekini diesel ma mua o nā ʻenekini ʻaila?
Ke hana nei nā ʻenekini Diesel i nā kūlana koʻikoʻi ma mua o nā mīkini ʻaila. I loko o ke keʻena puhi ahi o kahi mīkini diesel, ʻoi aku ka kiʻekiʻe o ka hoʻopili ʻana a, no laila, ʻoi aku ka kiʻekiʻe o ka ukana mechanical ma nā crankshafts, liners, nā koʻokoʻo hoʻohui a me nā pistons ma mua o ka mīkini ʻaila. No laila, hoʻokau nā mea hana i nā koi kūikawā i nā ʻāpana hana o nā lubricants no nā mīkini hoʻoheheʻe kūloko.
ʻO ka mea mua, pono e hāʻawi ka ʻaila ʻenekini no ka ʻenekini diesel i ka pale pono o nā liners, nā apo piston a me nā paia cylinder mai ka lole mechanical. ʻO ia hoʻi, pono e lawa ka mānoanoa o ka ʻaila kiʻiʻoniʻoni a me kona ikaika e pale aku i ka hoʻonui ʻana i nā ukana mechanical me ka ʻole o ka nalowale o ka lubricating a me nā waiwai pale.
Eia kekahi, ʻo ka ʻaila diesel no nā kaʻa hou, ma muli o ka hoʻokomo nui ʻana o nā kānana particulate i loko o nā ʻōnaehana exhaust, pono ka liʻiliʻi o ka lehu sulfate. A i ʻole, e hoʻopili koke ʻia ka kānana particulate me nā huahana hoʻopau paʻa mai ka ʻaila lehu. Hoʻokaʻawale ʻia kēlā mau ʻaila e like me API (CI-4 a me CJ-4) a me ACEA (Cx a me Ex).
Pehea e heluhelu pono ai i ka viscosity aila diesel?
ʻO ka hapa nui o nā aila hou no nā ʻenekini diesel he ʻano-weather a me ke ao holoʻokoʻa. ʻO ia hoʻi, ua kūpono like lākou no ka hana ʻana i nā ICE ʻaila, me ka ʻole o ka manawa o ka makahiki. Eia nō naʻe, nui nā hui aila a me nā kinoea e hana mau i nā aila ʻokoʻa i hoʻolālā ʻia no nā ʻenekini diesel.
ʻO ka viscosity aila SAE, kū'ē i ka manaʻo kuhihewa maʻamau, hōʻike wale i ka viscosity ma lalo o kekahi mau kūlana. A ʻo ka mahana o kona hoʻohana ʻana i kaupalena ʻia e ka papa viscosity o ka ʻaila ma ke ʻano indirectly. No ka laʻana, ʻo ka ʻaila diesel me kahi papa SAE o 5W-40 e loaʻa i kēia mau ʻāpana hana:
- kinematic viscosity ma 100 °C - mai 12,5 a 16,3 cSt;
- ʻO kaʻaila i hoʻopaʻaʻia e paʻiʻia ma o ka pūnaewele e ka paila ma nā mahana haʻahaʻa e like me -35 °C;
- ʻAʻole paʻakikī ka lubricant ma waena o nā liners a me nā crankshaft journal ma kahi mahana o ka liʻiliʻi -30 ° C.
Ma ka ʻōlelo o ka ʻaila viscosity, kāna kaha SAE a me ka manaʻo i hoʻopili ʻia, ʻaʻohe ʻokoʻa ma waena o nā ʻenekini diesel a me ka ʻaila.
ʻO ka aila Diesel me ka viscosity o 5W-40 e ʻae iā ʻoe e hoʻomaka me ka palekana i ka mīkini i ka hoʻoilo ma nā mahana a hiki i -35 ° C. I ke kauwela, pili ʻole ka wela ambient i ka wela hana o ke kaʻa. ʻO kēia no ka mea e emi ana ka ikaika o ka wehe ʻana i ka wela me ka piʻi ʻana o ka mahana ambient. No laila, pili kēia i ka viscosity o ka ʻaila. No laila, ʻo ke kauwela ʻāpana o ka papa kuhikuhi indirectly e hōʻike i ka nui o ka ʻae ʻana i ka ʻaila ʻaila e hana ana. No ka māhele 5W-40, ʻaʻole pono e oi aku ka mahana ambient ma mua o +40 °C.
He aha ka hopena o ka ʻaila viscosity?
Hoʻopili ka viscosity o ka ʻaila diesel i ka hiki o ka lubricant ke hana i kahi kiʻiʻoniʻoni pale ma nā ʻāpana ʻōpala a i nā āpau ma waena o lākou. ʻO ka mānoanoa o ka ʻaila, ʻoi aku ka mānoanoa a ʻoi aku ka hilinaʻi o ke kiʻiʻoniʻoni, akā ʻoi aku ka paʻakikī o ke komo ʻana i loko o nā āpau lahilahi ma waena o nā ʻili pili.
ʻO ka koho maikaʻi loa i ke koho ʻana i ka ʻaila viscosity no ka mīkini diesel e hahai i nā ʻōlelo aʻoaʻo o ke kaʻa. ʻO ka mea hana kaʻa, ʻaʻohe mea ʻē aʻe, ʻike i nā mea paʻakikī o ka hoʻolālā kaʻa a hoʻomaopopo i ka viscosity e pono ai ka lubricant.
Aia kekahi ʻano hana: kokoke i 200-300 tausani mau kilomita, e ninini i kahi ʻaila ʻoi aku ka viscous ma mua o ka ʻōlelo a ka mea hana. He manaʻo kēia. Me ka mileage kiʻekiʻe, pau nā ʻāpana mīkini, a piʻi aʻe nā āpau ma waena o lākou. ʻO ka ʻaila ʻenekini ʻoi aku ka mānoanoa e kōkua i ka hana ʻana i kahi kiʻiʻoniʻoni o ka mānoanoa kūpono a ʻoi aku ka maikaʻi ma nā āpau i hoʻonui ʻia e ka lole.
