Mgbanaka piston.
A na-eji mgbanaka piston (Piston Ring) na-etinye eriri piston n'ime mgbanaka ọla, a na-ekewa piston mgbanaka n'ụdị abụọ: mgbanaka mkpakọ na mgbanaka mmanụ. Enwere ike iji mgbanaka mkpakọ mechie gas ngwakọta na-ere ọkụ n'ime ụlọ ọkụ; A na-eji mgbanaka mmanụ ehichapụ oke mmanụ na cylinder. Mgbanaka piston bụ ụdị mgbanaka mgbanaka ọla nwere nnukwu nrụrụ mgbasawanye apụta, nke a na-agbakọta na profaịlụ na oghere anular kwekọrọ na ya. Mgbanaka piston na-atụgharị ma na-atụgharị na-adabere na ọdịiche nrụgide nke gas ma ọ bụ mmiri mmiri iji mepụta akara n'etiti gburugburu mpụta nke mgbanaka na cylinder na otu akụkụ nke mgbanaka na oghere mgbanaka.
Ọrụ mgbanaka Piston gụnyere akara, na-achịkwa mmanụ (nchịkwa mmanụ), njikwa okpomọkụ (nfefe ọkụ), nduzi (nkwado) ọrụ anọ. Akara: na-ezo aka na mkpuchi gas, ekwela ka ụlọ combustion gas na-agbapụta na crankcase, a na-achịkwa nsị gas na opekempe, melite arụmọrụ ọkụ. Ngwunye ikuku agaghị ebelata ike nke engine, ma na-eme ka mmanụ na-emebi emebi, nke bụ isi ọrụ nke mgbanaka gas; Gbanwee mmanụ (nchịkwa mmanụ): oke mmanu mmanu mmanu na mgbidi cylinder na-ekpochapu, a na-ekpuchikwa mgbidi cylinder na ihe nkiri mmanụ dị mkpa iji hụ na mmanye nkịtị nke cylinder na piston na mgbanaka, nke bụ isi ọrụ. mgbanaka mmanụ. N'ime engines dị elu nke oge a, a na-akwụ ụgwọ nlebara anya pụrụ iche na ọrụ nke ihe nkiri mmanụ piston ring; Ntugharị ọkụ: okpomọkụ nke piston na-ebufe na cylinder liner site na mgbanaka piston, ya bụ, mmetụta dị jụụ. Dị ka data a pụrụ ịdabere na ya, 70 ~ 80% nke okpomọkụ natara site na piston n'elu nke na-adịghị mma na-agbasasị site na piston mgbanaka na mgbidi cylinder, na 30 ~ 40% nke piston jụrụ oyi na-agbasasị site na piston mgbanaka na cylinder mgbidi; Nkwado: Mgbanaka piston na-eme ka piston dị na cylinder ahụ, na-egbochi kọntaktị kpọmkwem n'etiti piston na mgbidi cylinder, na-eme ka piston na-emegharị nke ọma, na-ebelata nkwụsị esemokwu, ma na-egbochi piston ịkụ aka cylinder. N'ozuzu, piston nke engine petrol na-eji mgbanaka gas abụọ na otu mgbanaka mmanụ, ebe engine mmanụ dizel na-ejikarị mgbanaka mmanụ abụọ na otu mgbanaka gas.
Usoro ntinye ziri ezi nke mgbanaka piston bụ nke a:
1. Mbụ mkpa ịwụnye mgbanaka mmanụ, mgbe ahụ, mgbanaka gas, usoro ahụ bụ ala-elu;
2. Mgbe a na-etinye mgbanaka ọ bụla, oghere nke mgbanaka piston ekwesịghị ịgbatị nke ukwuu, dị nnọọ ka ọ dabara na piston;
3. Wụnye mgbanaka mmanụ jikọtara ọnụ:
Tinye mgbanaka liner n'ime oghere mmanụ piston, ṅaa ntị na oghere nke mgbanaka liner enweghị ike ịdaba; Wụnye efere nchara nke ala na nke elu na-ejighi ngwá ọrụ imeghe oghere. Mgbe ị na-etinye, buru ụzọ kụchie otu nsọtụ nke efere nchara dị ala n'ime oghere mgbanaka, jiri mkpịsị aka gị pịa ebe oghere nchara nchara, gbanye mkpịsị aka nke aka nke ọzọ n'ime oghere mgbanaka n'akụkụ akụkụ nke efere ígwè ahụ, wee buo ya. elu igwe efere n'otu ụzọ ahụ. Awụnyela efere ígwè dị elu na nke ala n'otu akụkụ nke mgbanaka liner; Iji zere ndakọta nke oghere mgbanaka liner mgbe a na-akwaba piston n'ime cylinder, kpalie oghere elu na nke ala nke nwere njikọ mgbanaka liner site na 90 ruo 120 degrees. Mgbe echichi, jiri nwayọọ tụgharịa mgbanaka mmanụ jikọtara ọnụ, ọ ga-adịkwa mma n'enweghị rapaara.
4. Ntinye mgbanaka gas:
Jiri ngwaọrụ pụrụ iche iji wụnye mgbanaka gas abụọ na otu mgbanaka gas n'aka nke ya, emela mgbanaka gas mbụ na mgbanaka gas nke abụọ; Mgbe arụnyere, akụkụ ahụ na-akara akara (HYR, HY, CSR, TLK, ALS, H, R, wdg). Kwesịrị ihu elu (piston isi ntụziaka); Tụgharịa oghere nke mgbanaka gas na ogo 180, atụgharịla oghere n'akụkụ ntụnye piston.
5. Tupu ikpokọta mgbanaka piston n'ime cylinder, ọ dị mkpa iji dozie oghere oghere nke mgbanaka piston ọ bụla.
Ọrụ mgbanaka piston:
1. Akara mmetụta
Mgbanaka piston nwere ike idowe akara n'etiti piston na mgbidi cylinder, a na-achịkwa nkwụsịtụ na opekempe, nke mgbanaka gas na-ebu. Nwere ike igbochi cylinder na piston ma ọ bụ cylinder na mgbanaka piston n'ihi ntapu ikuku n'etiti aru; Ọ nwekwara ike igbochi ọdịda nke mmanu mmanu mmanu kpatara.
Nzọụkwụ 2 Mee okpomọkụ
Mgbanaka piston nwere ike ịnyefe ma gbasaa nnukwu okpomọkụ nke ọkụ ọkụ na-emepụta na mgbidi cylinder, ma nwee ike ịrụ ọrụ na-eme ka piston dị jụụ.
3. Ọrụ njikwa mmanụ
Mgbanaka piston nwere ike ihicha mmanụ mmanụ a na-etinye na mgbidi cylinder iji nọgide na-eri mmanụ nkịtị, nke mgbanaka mmanụ na-ebu.
4. Mmetụta nkwado
Mgbanaka piston na-agbago elu na ala na cylinder ahụ, na elu ya na-amị amị bụ ihe mgbanaka piston na-ebu ya kpamkpam, na-egbochi piston ịkpọtụrụ cylinder ozugbo wee rụọ ọrụ nkwado.
Enwere ụdị mgbanaka piston abụọ: mgbanaka gas na mgbaaka mmanụ. A na-eji mgbanaka gas ahụ iji hụ na akara n'etiti piston na cylinder na iji mechie ikuku abịakọrọ na ụlọ ọkụ. A na-eji mgbanaka mmanụ na-ekpochapụ oke mmanụ na cylinder, nke nwere ike igbochi mmanụ ịbanye n'ime cylinder na ọkụ.
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