A ghaghị ịkwasa injin ahụ ma megharịa ya mgbe a na-emegharị ya. Mgbakọ mgbe emegharichara bụ ọrụ dị mkpa. Olee otú were were wụnye akụkụ n'ime a zuru ezu mmanụ dizel engine nwere elu oru chọrọ. Karịsịa, àgwà nke mgbakọ na-emetụta kpọmkwem ndụ ọrụ nke engine na ugboro nke nrụzi. Ihe na-esonụ na-akọwa usoro mgbakọ nke isi akụkụ nke engine.
1. Ntinye nke cylinder liner
Mgbe engine na-arụ ọrụ, ime elu nke cylinder liner na-ejikọta kpọmkwem na gas na-ekpo ọkụ na-ekpo ọkụ, na okpomọkụ na nrụgide ya na-agbanwe ugboro ugboro, ọnụ ahịa ya ozugbo dị elu nke ukwuu, nke na-etinye nnukwu ibu ọkụ na ibu ígwè ọrụ. na cylinder. Piston na-eme ka ọ na-agba ọsọ ọsọ ọsọ na-emegharị n'ahịrị na cylinder, na mgbidi dị n'ime nke cylinder na-arụ ọrụ dị ka onye nduzi.
Ọnọdụ lubrication nke mgbidi dị n'ime nke cylinder adịghị mma, ọ na-esikwa ike ịmepụta ihe nkiri mmanụ. Ọ na-agwụ ngwa ngwa mgbe a na-eji ya eme ihe, karịsịa na mpaghara dị nso na etiti nwụrụ anwụ. Na mgbakwunye, ngwaahịa combustion na-emebikwa na cylinder ahụ. N'okpuru ọnọdụ ọrụ siri ike dị otú ahụ, a gaghị ewepụ iyi cylinder. Cylinder eyi ga-emetụta arụ ọrụ nke engine, na cylinder liner bụkwa akụkụ na-adịghị ike nke mmanụ dizel.
Ebe ntinye nke cylinder liner bụ ndị a:
(1) Tinye eriri cylinder na-enweghị mgbanaka mgbochi mmiri n'ime ahụ cylinder maka ule mbụ, ka o wee nwee ike ịtụgharị n'ụzọ dị nro na-enweghị ịma jijiji doro anya, ma n'otu oge ahụ chọpụta ma akụkụ nke cylinder ahụ kwụ n'elu ụgbọ elu cylinder ahụ. dị n'ime oke a kapịrị ọnụ .
(2) N'agbanyeghị ma eriri cylinder ọ dị ọhụrụ ma ọ bụ ochie, a ga-eji mgbanaka mgbochi mmiri ọhụrụ mee ihe mgbe ị na-etinye eriri cylinder. Igwe rọba nke mgbanaka mgbochi mmiri kwesịrị ịdị nro na enweghị mgbawa, na nkọwapụta na nha kwesịrị iru ihe achọrọ nke injin mbụ.
(3) Mgbe ị na-abanye n'ime cylinder liner, ị nwere ike itinye mmiri ncha n'akụkụ mgbanaka mgbochi mmiri iji mee ka mmanu mmanu dị mfe, ị nwekwara ike tinye ụfọdụ n'ime ahụ nke ọma na cylinder ahụ, wee jiri nwayọọ gbanye cylinder liner dị ka cylinder akara akara. nọmba usoro oghere N'ime oghere cylinder kwekọrọ, jiri ngwá ọrụ nrụnye pụrụ iche iji jiri nwayọọ nwayọọ pịa cylinder liner n'ime cylinder ahụ kpamkpam, nke mere na ubu na elu elu nke spigot cylinder na-ejikọta ya, ma ghara ikwe ka ọ jiri ya mee ihe. hama aka ka kụrie ya ike.
Mgbe echichi gasịrị, jiri akara ngosi ọkpụkpọ n'ime ime tụọ ihe, na nrụrụ (mbelata akụkụ na ọnwụ nke okirikiri) nke mgbanaka mgbochi mmiri agaghị agafe 0.02 mm. Mgbe nrụrụ ahụ buru ibu,
Ekwesịrị ịdọrọ eriri cylinder iji rụkwaa mgbanaka mgbochi mmiri wee tinyegharịa ya. Mgbe etinyere mkpuchi cylinder ahụ, ubu elu nke mkpuchi cylinder kwesịrị ịpụ na ụgbọ elu nke cylinder ahụ site na 0.06-0.12 mm, a ga-anwale akụkụ a tupu ịwụnye mgbanaka mgbochi mmiri. Ọ bụrụ na protrusion ahụ dị ntakịrị, a ga-etinye mpempe ọla kọpa nke ọkpụrụkpụ kwesịrị ekwesị n'elu ubu nke cylinder liner; mgbe protrusion dị ukwuu, a ga-atụgharị ubu elu nke cylinder liner.
