Kedu ihe mmanu na mmanu mmanu

Dị ka akụkọ ndị a na-ekwenyeghị na ya, ndị mmadụ na-eji mmanụ aṅụ eme ihe karịa puku afọ isii gara aga. A maara mmanụ ruo ogologo oge, ma iji ya na-adị ọcha wee malite n'oge na-adịbeghị anya, ọ dịghịkwa ihe nhazi. Mgbe ndị mmadụ matara otú e si edozi ya, ha na-ewere nanị manurosine, ma ihe bara uru - mmanụ mmanụ - ejiri ya mee ihe ma ọ bụ bụrụ ọkụ. Ma ihe ruru 90% nke nnukwu mmanụ.

Ma teknụzụ anaghị eguzoro - ma ugbu a na mmanụ nchịkwa mmanụ, ha amụtala ịkọ mmanụ mmanụ dị iche iche. Nhazi na-esote na-enye ya mmanụ bara uru, nke a na-akpọ mmanụ ma ọ bụ mmanụ ịnweta. Na ugbuala ugbo ala nke ugbua - ihe ndi ozo di elu, ya mere, mmanu na mmanu mmanu ha kwesiri ime ihe ufodu.

Mee ka mmanụ mmanu dịkwuo elu site na ịtinye ihe pụrụ iche (tinye) na ya. Onye ọ bụla n'ime ihe ndị a na-eme ka ndị na-egosi otu otu oge ma ọ bụ ọtụtụ n'otu oge. Dịka ọmụmaatụ, a na-agbakwunye ihe mgbakwunye na-eme ka mmanụ na mmanụ aṅụ belata iji belata nsị nke akụkụ ọrụ, na nkwụsị - belata ego nke nkwụnye ego ma kpuchie piston ahụ ọkụ. Na mmanụ mmanu nke oge a, ị nwere ike ịgụ ihe karịrị iri na-abawanye.

Dika ntanye nke oke na ohere nke ichikota ha, uzo nke ndi na-emeputa weta. Ndị a bụ mmanụ lubricating ha hapụ. Ma e wezụga, ọtụtụ n'ime ha iche iche pụtara - motor, nnyefe na ndị ọzọ. Tupu ịzụta lubricants (ọbụna onye a ma ama na-ewu ewu), ịkwesịrị ịma ụkpụrụ ndị bụ isi nke nhọrọ ha.

Lubricants nwere ọtụtụ kwa kpọmkwem na technical àgwà, ma na Ịzụ dị mkpa ka ntị naanị abụọ n'ime ha. N'ubara ọkwa nke mmanụ na-egosi nnyefe nke ụgbọ ala gị na ihe a, na viscosity - maka iji ya mee ihe n'otu oge na oge.

Kpebisie ike ma nke a bụ mmanu, ga-enyere aka ịde akara, chee na ọkwa ọ bụla, na otu usoro nhazi ụwa. Na ụkpụrụ nke mba ọzọ, a na-akọwa nkà na ụzụ maka ịchọta ma gosipụta ndepụta nke viscosity site na Usoro nke American Society of Automotive Engineers SAE, n'ihi ya, ọ gaghị esiri ike ịmara na mgbe akara ntinye akwụkwọ SAE ga-egosi. A na-eji akara akwụkwọ W, na oge okpomọkụ mee ihe nlele oyi nke ihe ọkụkụ na-eme ka oyi na-atụ - site na mfe igosi viscosity.

Enwekwara akara aha. Dịka ọmụmaatụ, n'okpuru aha aha SAE J300 enwere viscosity isii nke ọnọdụ oyi - 0W, 5W, 10W, 15W, 20W, 25W. Klaasị ndị a niile na-akwado mmalite nke igwe na ọnọdụ oyi, na njem nke mmanụ na mmanụ lubricants bụ n'efu n'ogologo usoro ahụ n'ogo okpomọkụ -30- + 5. Ụdị okpomọkụ adịghị enwe akwụkwọ ozi ọzọ na labeling, ma site na viscosity na-arịwanye elu, a na-ekeji akara ule ndị a na klas SAE: 20, 30, 40, 50, 60.

Ugbu a, ị maara ihe mmanụ na lubricants dị na ihe nhazi ha bụ!