Atụmatụ nke mmiri cylinder liner
2021-01-04
Ihe e ji mara ihe mkpuchi cylinder mmiri bụ na elu elu ya na-akpakọrịta kpọmkwem na coolant. Tụkwasị na nke ahụ, ọ dị oke karịa ihe mkpuchi cylinder akọrọ. Ọnọdụ radial nke eriri cylinder mmiri na-adaberekarị na eriri afọ abụọ na-apụta n'elu na nke ala nke nwere nkwụsị nke dabara n'etiti ngọngọ cylinder, na ọnọdụ axial na-eji ụgbọ elu ala nke flange elu.
A na-emechi akụkụ ala nke cylinder liner site na mgbanaka 1-3 na-eguzogide okpomọkụ na mmanụ na-eguzogide ọgwụ roba. Enwere ụdị akara abụọ: akara mgbasawanye na akara mkpakọ.
Site na mmụba nke engines diesel na-abawanye, cavitation nke mkpuchi cylinder mmiri aghọwo nsogbu a ma ama. Ya mere, ụfọdụ ihe mkpuchi mmanụ dizel engine nwere mgbanaka akara atọ. Akụkụ elu nke akụkụ elu nke cylinder ahụ na kọntaktị na coolant, nke nwere ike igbochi elu mating site na nchara. Ọ dị mfe ịkwasa na ikpokọta, ọ nwere ike ịmịnye vibration ma belata cavitation. Ụfọdụ ọwa elu na nke etiti bụ nke ethylene-propylene sịntetik roba iji mechie coolant; nke ala bụ ihe silicone iji mechie mmanụ engine. Enweghị ike itinye ha abụọ na ezighi ezi. Ụfọdụ na-etinyekwa mgbanaka akara na cylinder iji meziwanye nkwụsi ike nke eriri cylinder. A na-emechi akụkụ elu nke cylinder liner site na mpempe akwụkwọ metal (ọla kọpa ma ọ bụ aluminom gasket, aluminom gasket maka aluminum alloy cylinder block, gasket ọla kọpa iji gbochie corrosion electrochemical) na ala ụgbọ elu nke flange.
Ihe bara uru nke eriri cylinder mmiri bụ na ngọngọ cylinder dị mfe nkedo, dị mfe ịrụzi na dochie ya, ma nwee mmetụta nkwụsị ọkụ ka mma. Ihe ọghọm bụ na nkwụsi ike nke cylinder adịghị mma, ọ dị mfe ịmepụta cavitation, ọ dịkwa mfe ịkwanye mmiri. A na-ejikarị ya eme ihe maka injin ndị na-ebu ibu (ihe fọrọ nke nta ka ọ bụrụ engines dizel niile nwere ihe karịrị 140mm ka a na-eji) yana ígwè cylinder alloy aluminum.