Okwu mmalite: The cylinder liner bụ akụkụ obi nke injin ahụ. Ihe dị n'ime ya, yana elu piston, mgbanaka piston, na ala ala nke isi cylinder, mejupụtara ọnụ ụlọ ọkụ nke injin ahụ, ma na-eduzi mmegharị ahịrị ahịrị na-emegharị piston ahụ. N'ime ime cylinder ahụ bụ ma mgbakọ na-arụ ọrụ ma na-arụ ọrụ, na àgwà nke nhazi ya na-emetụta kpọmkwem ọrụ mgbakọ na ọrụ nke engine.
Tupu February 2008, nsogbu ndị na-esonụ dị na ụlọ ọrụ cylinder mmiri mmiri nke China:
① The nhazi larịị nke China si ụlọ ọrụ dị ala, n'ime mgbidi nke cylinder liner bụ nke nkịtị honing ntupu, lubrication na esemokwu Mbelata mmetụta adịghị mma, ọrụ ndụ nke cylinder liner dị mkpụmkpụ, engine ike oriri dị elu. , na mgbapụta ahụ karịrị ọkọlọtọ;
②Okpomọkụ na-arụ ọrụ nke ụlọ combustion dị n'elu 1000 ℃ n'oge a na-arụ ọrụ nke engine, na fusing yi dị nnọọ mfe ịmepụta carbon nkwụnye ego, na-akpata abrasive eyi. Ọ na-ebelata ọnụ ahịa mmezi nke ụgbọ mmiri cylinder liner dị oke ọnụ;
③ Tupu February 2008, ihe ka ọtụtụ n'ime cylinder liner nke mmiri mmiri engines bụ nke nnukwu phosphorus nkedo ígwè, boron cast iron, vanadium titanium cast iron, obere alloy cast iron, wdg. Ọ bụ ezie na ụfọdụ alloying ọcha na-eji na usoro, na keukwu n'ibu Njirimara nke ihe Obere ike na isi ike, ogbenye eyi iguzogide, mkpụmkpụ ngwaahịa ndụ, siri ike izute mkpa nke mmiri mmiri engines; Ọrụ dị mma, nkenke dị elu na ịma jijiji dị ala, ihe mkpuchi cylinder dị adị tupu February 2008 enweghị ike imezu ihe achọrọ.

ụdị abụọ nke mmiri liner: akọrọ liner na mmiri liner
1. Akọrọ cylinder liner pụtara na elu nke cylinder liner adịghị emetụ onye na-ekpo ọkụ. Iji hụ na mmetụta nke ikpo ọkụ na-ekpo ọkụ na ọnọdụ nke cylinder liner, ma nweta ebe kọntaktị zuru ezu na ngọngọ cylinder, elu nke mkpuchi cylinder akọrọ na n'ime na n'èzí nke oghere mkpuchi cylinder na-arụkọ ọrụ na ya. nwere oke machining ziri ezi. Ihe mkpuchi cylinder akọrọ nwere mgbidi dị gịrịgịrị ma ụfọdụ dị naanị 1mm. Ngwunye dị ala nke mpụta okirikiri nke akọrọ cylinder liner nwere obere akụkụ taper iji pịa ngọngọ cylinder. N'elu nke akọrọ akọrọ (ma ọ bụ ala nke cylinder bore) dị na ma ọ bụ na-enweghị flanges. Flanged nwere obere nnyonye anya n'ihi na flange na-enyere aka n'ọkwa ya.
Uru nke akọrọ cylinder liner bụ na ọ dịghị mfe ịwụpụ, nkwụsi ike nke usoro cylinder dị ukwuu, oke ahụ dị ntakịrị, ọ dịghị cavitation, na anya n'etiti etiti cylinder dị ntakịrị; ntụpọ ndị ahụ adịghị mma iji rụkwaa ma dochie ya, na nkwụsị ọkụ na-adịghị mma. N'ime engines nwere dayameta nke na-erughị 120mm, a na-ejikarị ya eme ihe n'ihi obere ibu ọkụ ya. Ndị na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-enweghị mmanụ mmanụ na-ekweta na ọ bara uru ịkọ na akọrọ cylinder liner nke engines diesel ụgbọ ala mba ọzọ na-etolite ngwa ngwa.
2. N'elu nke mmiri mmiri cylinder liner bụ kpọmkwem na kọntaktị na coolant, na mgbidi ya buru ibu karịa nke akọrọ cylinder liner. Ọnọdụ radial nke eriri cylinder mmiri na-adaberekarị na eriri elu na nke ala abụọ na-apụta ìhè nke na-arụkọ ọrụ na oghere dị n'etiti ngọngọ cylinder, na ọnọdụ axial bụ iji ụgbọ elu ala nke elu flange. A na-emechi akụkụ ala nke cylinder liner site na 1 ruo 3 nke na-eguzogide okpomọkụ na mmanụ na-eguzogide ọgwụ mgbochi roba. N'ịbawanye ogo nke ike nke mmanụ dizel engines, cavitation nke mmiri cylinder liners aghọwo nsogbu a ma ama, ya mere, ụfọdụ mmanụ dizel engine cylinder liners nwere mgbanaka akara atọ, na akụkụ elu nke ikpeazụ na kọntaktị na coolant, nke nwere ike. ọ bụghị nanị na-ezere nchara nke elu na-arụ ọrụ, Ọ dị mfe ịkwasa na ikpokọta, na ọ nwere ike banye vibration ma belata cavitation. A na-eji roba ethylene-propylene sịntetik mee ụfọdụ nke elu na etiti abụọ iji mechie coolant; A na-eme nke dị ala nke ihe silicone iji mechie mmanụ ahụ, na enweghị ike itinye ha abụọ na-ezighị ezi. Ụfọdụ na-etinyekwa mgbanaka akara na cylinder iji meziwanye nkwụsi ike nke eriri cylinder ahụ. A na-emechi akụkụ elu nke cylinder liner site na mpempe ígwè na ala ụgbọ elu nke flange (ọla kọpa ma ọ bụ aluminom gasket, aluminom gasket na-eji maka aluminum alloy cylinder body, ọla kọpa gasket na-adịghị ekwe ka zere electrochemical corrosion).