Mgbanaka piston.
A na-eji mgbanaka piston tinye eriri piston n'ime mgbanaka ígwè, 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.
Oke ngwa
A na-eji mgbanaka piston eme ihe n'ụdị igwe dị iche iche, dị ka igwe uzuoku, injin mmanụ dizel, injin mmanụ ụgbọ ala, compressors, igwe igwe hydraulic, wdg, a na-ejikarị ụgbọ ala, ụgbọ oloko, ụgbọ mmiri, ụgbọ mmiri na ihe ndị ọzọ. N'ozuzu, a na-etinye mgbanaka piston na mgbanaka mgbanaka nke piston, ya na piston, cylinder liner, isi cylinder na ihe ndị ọzọ nke ụlọ ahụ na-arụ ọrụ.
Mgbanaka piston bụ isi ihe dị n'ime injin mmanụ, ya na cylinder, piston, mgbidi cylinder ọnụ iji mechaa akara nke gas mmanụ. Igwe ụgbọ ala ndị a na-ejikarị eme ihe nwere ụdị mmanụ dizel na mmanụ ụgbọ ala abụọ, n'ihi arụmọrụ mmanụ ha dị iche iche, iji mgbanaka piston abụghị otu, mgbanaka piston mbụ na-etolite site na nkedo, mana na ọganihu nke teknụzụ, ígwè dị elu nwere ike. A mụrụ mgbanaka piston, na site na ọrụ nke engine, ihe ndị chọrọ gburugburu ebe obibi na-aga n'ihu na-emeziwanye, ọtụtụ ngwa ọgwụgwọ dị elu dị elu, dị ka spraying thermal, electroplating, chrome plating, wdg gas nitriding, ntinye anụ ahụ, mkpuchi elu, zinc manganese. ọgwụgwọ phosphating, wdg, na-eme ka ọrụ nke mgbanaka piston dịkwuo mma.
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.
Nchọpụta nke ọma na nke ọjọọ
Ebe a na-arụ ọrụ nke mgbanaka piston agaghị enwe nicks, scratches, peeling, cylinder mpụta na elu na elu njedebe ga-enwe njedebe nke ọma, ntụgharị nke curvature agaghị adị karịa 0.02-0.04 mm, ọkọlọtọ subsidence nke ọkọlọtọ. mgbanaka na oghere agaghị agafe 0.15-0.25 mm, na ngbanwe na nkwụsị nke mgbanaka piston na-emezu ihe ndị a chọrọ. Na mgbakwunye, anyị kwesịkwara ịlele ntanye ọkụ nke mgbanaka piston, ya bụ, mgbanaka piston dị larịị na cylinder, tinye obere oriọna n'okpuru mgbanaka piston, tinye ihuenyo ọkụ n'elu, wee hụ ọdịiche nke ntanye ọkụ dị n'etiti. mgbanaka piston na mgbidi cylinder, nke na-egosi ma kọntaktị dị n'etiti mgbanaka piston na mgbidi cylinder dị mma. N'okpuru ọnọdụ nkịtị, mgbanaka ọkụ nke mgbanaka piston tụrụ ya na nha nha ekwesịghị gafere 0.03 mm. Ogologo nke ogologo ntanye ọkụ na-aga n'ihu ekwesịghị ịbụ ihe karịrị 1/3 nke dayameta cylinder, ogologo nke ọnụ ọgụgụ nke oghere ọkụ ekwesịghị ịbụ ihe karịrị 1/3 nke dayameta cylinder, na ngụkọta ogologo nke ọnụ ọgụgụ ntanye ọkụ ekwesịghị gafere 1/2 nke dayameta cylinder, ma ọ bụghị ya, ekwesịrị dochie ya. Piston mgbanaka akara GB/T 1149.1-94 na-akọwapụta na mgbanaka piston niile chọrọ ka ọ nwee ntụzịaka nrụnye ga-akara n'akụkụ elu, ya bụ, akụkụ dị nso na ụlọ ọkụ. Mgbanaka ndị ahụ akara n'akụkụ elu gụnyere: mgbanaka cone, chamfer dị n'ime, mgbanaka okpokoro mpụta, mgbanaka imi, mgbanaka wedge na mgbanaka mmanụ chọrọ ntụziaka ntinye, na akụkụ elu nke mgbanaka ahụ bụ akara.
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