Ụlọ ọrụ na-ere ozugbo SAIC MAXUS V80 C00014713 Piston Ring-92MM

Ihe ọmụma ngwaahịa

Mgbanaka Piston bụ mgbanaka igwe eji etinye n'ime oghere nke piston. Enwere ụdị mgbanaka piston abụọ: mgbanaka mkpakọ na mgbanaka mmanụ. A na-eji mgbanaka mkpakọ na-emechi ngwakọta ọkụ n'ime ụlọ ọkụ; a na-eji mgbanaka mmanụ ehichapụ oke mmanụ na cylinder.

Mgbanaka piston bụ mgbanaka mgbanaka igwe nwere nnukwu nrụrụ mgbasawanye apụta, nke a na-agbakọta n'ime oghere anular dabara na ngalaba obe. Mgbanaka piston na-atụgharị ma na-atụgharị na-adabere na ọdịiche nrụgide nke gas ma ọ bụ mmiri mmiri iji mepụta akara n'etiti elu okirikiri mpụta nke mgbanaka na cylinder na otu akụkụ nke mgbanaka na mgbanaka mgbanaka.

A na-eji mgbanaka piston mee ihe n'ọtụtụ ígwè ọrụ ike dị iche iche, dị ka engines uzuoku, mmanụ dizel, mmanụ ụgbọala, compressors, igwe hydraulic, wdg, na-ejikarị eme ihe n'ụgbọ ala, ụgbọ oloko, ụgbọ mmiri, ụgbọ mmiri, wdg. N'ozuzu, piston mgbanaka bụ. arụnyere na mgbanaka mgbanaka nke piston, ọ na-etolite ụlọ nwere piston, liner cylinder, isi cylinder na ihe ndị ọzọ iji rụọ ọrụ.

mkpa

The piston mgbanaka bụ isi akụrụngwa n'ime mmanụ ụgbọala engine, nke completes akara nke mmanụ ụgbọala gas ọnụ na cylinder, piston, cylinder mgbidi, wdg. Ọtụtụ eji ụgbọ ala engines bụ dizel na mmanụ ụgbọala engines. N'ihi arụmọrụ mmanụ ha dị iche iche, mgbanaka piston ejiri dịkwa iche. Emebere mgbanaka piston mbụ site na nkedo, mana site na ọganihu nke teknụzụ, a mụrụ mgbanaka piston dị elu igwe. , na na-aga n'ihu na nkwalite nke engine ọrụ na gburugburu ebe obibi chọrọ, dị iche iche elu elu ọgwụgwọ ngwa, dị ka thermal spraying, electroplating, chrome plating, gas nitriding, anụ ahụ deposition, elu mkpuchi, zinc-manganese phosphating, wdg, Ọrụ nke A na-emezi mgbanaka piston nke ukwuu.

Ọrụ

Ọrụ nke mgbanaka piston gụnyere ọrụ anọ: akara, na-achịkwa mmanụ (nchịkwa mmanụ), nchịkwa okpomọkụ (nfefe ọkụ), na nduzi (nkwado). Akara: na-ezo aka na ịchichi gas, igbochi gas dị n'ime ụlọ combustion ịbanye n'ime crankcase, ịchịkwa ntapu nke gas na opekempe, na imeziwanye arụmọrụ ọkụ. Ntupu ikuku ga-eme ka ọ bụghị nanị na-ebelata ike nke engine, kamakwa na-emebi mmanụ, nke bụ isi ọrụ nke mgbanaka ikuku; Gbanwee mmanụ (nchịkwa mmanụ): kpochapu oke mmanu mmanu na mgbidi cylinder, ma n'otu oge ahụ mee ka mgbidi cylinder dị mkpa Ihe nkiri mmanụ dị mkpa na-eme ka mmanye nkịtị nke cylinder, piston na mgbanaka, nke bụ isi ọrụ. nke mgbanaka mmanụ. N'ime engines dị elu nke oge a, a na-akwụ ụgwọ nlebara anya pụrụ iche na ọrụ nke mgbanaka piston iji chịkwaa ihe nkiri mmanụ; okpomọkụ okpomọkụ: a na-eduzi okpomọkụ nke piston na cylinder liner site na piston mgbanaka, ya bụ, jụrụ oyi. Dị ka data a pụrụ ịdabere na ya si kwuo, 70-80% nke okpomọkụ natara n'elu piston na piston na-adịghị mma na-esi na mgbanaka piston na mgbidi cylinder, na 30-40% nke piston jụrụ oyi na-ebufe na cylinder site na Mgbanaka piston Nkwado: mgbanaka piston na-edobe piston na cylinder, na-egbochi piston ịkpọtụrụ mgbidi cylinder ozugbo, na-eme ka piston ahụ dị mma, na-ebelata nguzogide esemokwu, na na-egbochi piston ịkụ aka cylinder. N'ozuzu, piston nke petrol engine na-eji mgbanaka ikuku abụọ na otu mgbanaka mmanụ, ebe mmanụ dizel na-ejikarị mgbanaka mmanụ abụọ na otu mgbanaka ikuku. [2]

njirimara

ike

Ndị agha na-arụ ọrụ na mgbanaka piston na-agụnye nrụgide gas, ike na-agbanwe nke mgbanaka ahụ n'onwe ya, ike nke na-emegharị ahụ nke mgbanaka ahụ, esemokwu n'etiti mgbanaka na cylinder na mgbanaka mgbanaka, wdg N'ihi nke a. ike, mgbanaka ahụ ga-emepụta mmegharị ndị bụ isi dị ka mmegharị axial, mmegharị radial, na ntụgharị ntụgharị. Tụkwasị na nke ahụ, n'ihi njirimara mmegharị ya, yana mgbatị na-adịghị mma, mgbanaka piston na-apụtaghị ìhè na-egosi nkwusioru na axial vibration, radial irregular motion na vibration, ntụgharị ntụgharị, wdg mere site na mmegharị axial oge. Mmegharị ndị a na-adịghị mma na-egbochikarị mgbanaka piston ịrụ ọrụ. Mgbe ị na-emepụta mgbanaka piston, ọ dị mkpa ịnye egwuregwu zuru oke maka mmegharị ahụ dị mma ma na-achịkwa akụkụ na-adịghị mma.

thermal conductivity

A na-ebufe nnukwu okpomọkụ nke ọkụ ọkụ na-emepụta na mgbidi cylinder site na mgbanaka piston, ya mere ọ nwere ike ime ka piston dị jụụ. Okpomọkụ na-efesa na mgbidi cylinder site na mgbanaka piston nwere ike iru 30 ruo 40 % nke okpomọkụ nke elu piston na-etinye.

ikuku tightness

Ọrụ mbụ nke mgbanaka piston bụ idobe akara n'etiti piston na mgbidi cylinder yana ịchịkwa ntapu ikuku na opekempe. A na-arụ ọrụ a nke ọma site na mgbanaka gas, ya bụ, n'okpuru ọnọdụ ọrụ ọ bụla nke injin ahụ, a ga-achịkwa nkwụsị nke ikuku na gas na-ekpo ọkụ na opekempe iji melite arụmọrụ ọkụ; iji gbochie ntapu n'etiti cylinder na piston ma ọ bụ n'etiti cylinder na mgbanaka. jide; gbochie ọdịda nke sitere na mmebi mmanụ mmanụ, wdg.

Njikwa mmanụ

Ọrụ nke abụọ nke mgbanaka piston bụ ikpochapụ nke ọma mmanu mmanu nke etinyere na mgbidi cylinder ma nọgide na-eri mmanụ nkịtị. Mgbe mmanụ mmanye a na-enye mmanụ dị ukwuu, a ga-amịnye ya n'ime ụlọ ọkụ, nke ga-eme ka mmanụ ọkụ dịkwuo elu, ma nwee mmetụta ọjọọ na arụ ọrụ nke engine n'ihi nkwụnye carbon carbon nke combustion na-emepụta.

Na-akwado

N'ihi na piston dị ntakịrị ntakịrị karịa n'ime ime cylinder, ọ bụrụ na enweghị mgbanaka piston, piston adịghị eguzosi ike na cylinder na enweghị ike ịmegharị n'efu. N'otu oge ahụ, mgbanaka ahụ na-egbochikwa piston ịkpọtụrụ cylinder ozugbo ma rụọ ọrụ nkwado. Ya mere, mgbanaka piston na-agbago na ala na cylinder, na mgbanaka ahụ na-ebuli elu ya nke ọma.

Nhazi

Site na nhazi

A. Monolithic Ọdịdị: site na usoro nke nkedo ma ọ bụ integral ịkpụzi.

b. Mgbanaka ejikọtara: mgbanaka piston nwere akụkụ abụọ ma ọ bụ karịa gbakọtara na oghere mgbanaka.

c. Mgbanaka mmanụ Slotted: mgbanaka mmanụ nwere akụkụ ndị yiri ya, ala kọntaktị abụọ na oghere nloghachi mmanụ.

D. Slotted coil spring mmanụ mgbanaka: tinye mmanụ mgbanaka nke eriri igwe support mmiri na grooved mmanụ mgbanaka. Mmiri nkwado ahụ nwere ike ịbawanye nrụgide radial kpọmkwem, na ike ya dị n'ime ime nke mgbanaka ahụ hà nhata. A na-ahụkarị na mgbanaka igwe dizel.

E. eriri igwe jikọtara mgbanaka mmanụ: mgbanaka mmanụ nke nwere mgbanaka mkpuchi na mgbanaka scraper abụọ. Nhazi nke mgbanaka nkwado ahụ dịgasị iche site n'aka ndị nrụpụta na a na-ahụkarị ya na mgbanaka igwe mmanụ ụgbọala.

Ụdị ngalaba

Mgbanaka ịwụ, mgbanaka cone, mgbanaka chamfer ime n'ime, mgbanaka wedge na mgbanaka trapezoid, mgbanaka imi, mgbanaka mpụta ubu, mgbanaka mgbanaka ime n'ime, mgbanaka nchikota mmanụ, mgbanaka mmanụ chamfer dị iche iche, otu mgbanaka mmanụ chamfer, eriri igwe nkedo mgbanaka mmanụ mmiri, mgbanaka mmanụ igwe, wdg.

Site na ihe onwunwe

Nkedo ígwè, ígwè.

ọgwụgwọ elu

Nitride mgbanaka: Isi ike nke nitride oyi akwa dị n'elu 950HV, brittleness bụ ọkwa 1, na ọ nwere ezigbo eyi nguzogide na corrosion iguzogide. Ihe mgbanaka Chrome-plated: Ihe mkpuchi chrome-plated dị mma, kọmpat ma dị nro, na-esi ike karịa 850HV, ezigbo mgbochi na-eyi uwe, yana netwọk nke micro-cracks na-agafe agafe, nke na-enyere aka ịchekwa mmanụ na-agba mmanụ. . Mgbanaka Phosphating: Site na ọgwụgwọ kemịkalụ, a na-emepụta ihe nkiri phosphating oyi akwa n'elu mgbanaka piston, nke na-eme mmetụta mgbochi nchara na ngwaahịa ahụ ma na-emekwa ka mmalite ịgba ọsọ na-arụ ọrụ mgbanaka ahụ. Mgbanaka Oxidation: N'okpuru ọnọdụ okpomọkụ dị elu na oxidant siri ike, a na-emepụta ihe nkiri oxide n'elu ihe nchara, nke nwere nguzogide corrosion, mgbochi mgbochi na ọdịdị dị mma. Enwere PVD na ndị ọzọ.

dị ka ọrụ

Enwere ụdị mgbanaka piston abụọ: mgbanaka gas na mgbanaka mmanụ. Ọrụ nke mgbanaka gas bụ iji hụ na akara n'etiti piston na cylinder. Ọ na-egbochi okpomọkụ dị elu na ikuku gas dị na cylinder ịbanye n'ime crankcase n'ọtụtụ buru ibu, ma n'otu oge ahụ na-eduzi ọtụtụ okpomọkụ site n'elu piston na mgbidi cylinder, nke a na-ewepụ ya. mmiri jụrụ oyi ma ọ bụ ikuku.

A na-eji mgbanaka mmanụ na-ekpochapụ mmanụ karịrị akarị na mgbidi cylinder, na-ekpuchikwa ihe nkiri mmanụ edo edo na mgbidi cylinder, nke nwere ike ọ bụghị nanị igbochi mmanụ ịbanye na cylinder ahụ ma gbaa ọkụ, kamakwa belata nkwụsị na ịdọka piston. , mgbanaka piston na cylinder. esemokwu esemokwu. [1]

ojiji

Nchọpụta dị mma ma ọ bụ ọjọọ

Ebe a na-arụ ọrụ nke mgbanaka piston agaghị enwe nicks, scratches na peelings, n'elu cylindrical dị n'elu na elu na njedebe dị elu ga-enwe ụfọdụ ire ụtọ, ntụgharị nke curvature agaghị adị karịa 0.02-0.04 mm, na ọkọlọtọ sinking. Ọnụ ego nke mgbanaka dị na oghere agaghị agafe 0.15-0.25 mm, ngbanwe na nkwụsị nke mgbanaka piston na-ezute ụkpụrụ. Tụkwasị na nke ahụ, a ga-enyochakwa ogo ntanye ọkụ nke mgbanaka piston, ya bụ, a ga-edobe mgbanaka piston na cylinder ahụ, a ga-etinye obere obere ọkụ ọkụ n'okpuru mgbanaka piston, ma tinye efere shading na ya. ya, na mgbe ahụ, a ga-ahụ ọdịiche dị n'etiti mgbanaka piston na mgbidi cylinder. Nke a na-egosi ma kọntaktị dị n'etiti mgbanaka piston na mgbidi cylinder dị mma. N'ozuzu, oghere ntapu ọkụ nke mgbanaka piston ekwesịghị ịfe 0.03 mm mgbe a tụrụ ya na nha nha. Ogologo nke mgbawa ọkụ na-aga n'ihu ekwesịghị ịbụ ihe karịrị 1/3 nke dayameta cylinder, ogologo nke ọtụtụ slits ọkụ ekwesịghị ịbụ ihe karịrị 1/3 nke dayameta cylinder, na ngụkọta ogologo nke ọtụtụ ntapu ọkụ kwesịrị ịdị ukwuu. agaghị agafe 1/2 nke dayameta cylinder, ma ọ bụghị ya, a ga-edochi ya.

ụkpụrụ akara

Piston mgbanaka akara GB/T 1149.1-94 na-ekwu na ihe niile yiri mgbanaka piston chọrọ ntụzịaka nrụnye kwesịrị ka akara n'akụkụ elu, ya bụ, akụkụ dị nso na ụlọ ọkụ. Mgbanaka ndị a kara akara n'akụkụ elu gụnyere: mgbanaka conical, chamfer dị n'ime, mgbanaka okpokoro mpụta, mgbanaka imi, mgbanaka wedge na mgbanaka mmanụ nke chọrọ ntụziaka ntinye, na akụkụ elu nke mgbanaka ahụ bụ akara.

Mkpachapụ anya

Lezienụ anya mgbe ị na-etinye mgbanaka piston

1) A na-etinye mgbanaka piston nke ọma n'ime eriri cylinder, na a ga-enwerịrị oghere oghere na interface ahụ.

2) A ga-etinye mgbanaka piston na piston, na n'ime mgbanaka mgbanaka, a ga-enwe nkwụsịtụ akụkụ n'akụkụ ntụziaka dị elu.

3) A ga-etinye mgbanaka chrome-plated na ọwa mbụ, na oghere ekwesịghị iche ihu na ntụziaka nke olulu eddy dị ugbu a n'elu piston.

4) A na-amaba oghere nke mgbanaka piston ọ bụla site na 120 Celsius C, a naghị ekwe ka ọ chee oghere ntụtụ piston ihu.

5) Maka mgbanaka piston na mpaghara a na-agbanye, ebe a na-agbanye elu kwesịrị ịdị elu n'oge ntinye.

6) N'ozuzu, mgbe etinyere mgbanaka mgbanaka ahụ, chamfer ma ọ bụ oghere kwesịrị ịdị elu; mgbe etinyere mgbanaka mgbochi nke tapered, debe cone chere ihu n'elu.

7) Mgbe ị na-etinye mgbanaka jikọtara ọnụ, a ga-ebu ụzọ tinye mgbanaka axial, wee tinye mgbanaka dị larịị na mgbanaka ebili mmiri. A na-etinye mgbanaka dị larịị n'elu na ala nke mgbanaka ebili mmiri, na oghere nke mgbanaka ọ bụla kwesịrị ịkwanye ibe ya.

Ọrụ ihe

1. Yiri nguzogide

2. Nchekwa mmanụ

3. Isi ike

4. Nguzogide corrosion

5. Ike

6. Okpomọkụ na-eguzogide

7. Ngbanwe

8. Ịcha arụmọrụ

N'ime ha, iyi nguzogide na ngbanwe bụ ihe kachasị mkpa. Ihe mgbanaka piston dizel nke nwere ike dị elu gụnyere igwe nkedo isi awọ, ígwè ductile, ihe nkedo alloy na ígwè nkedo graphite vermicular.

Mgbakọ mkpanaka njikọ piston

Isi ihe nke mgbakọ dizel generator piston njikọ mkpara otu bụ ndị a:

1. Pịa-dabara njikọ mkpanaka ọla kọpa aka uwe. Mgbe ị na-etinye aka uwe ọla kọpa nke njikọ njikọ, ọ kacha mma iji pịa ma ọ bụ vise, ma ghara ịkụ ya na hama; oghere mmanụ ma ọ bụ oghere mmanụ dị na aka uwe ọla kọpa kwesịrị ikwekọ na oghere mmanụ dị na mkpanaka njikọ iji hụ na mmanye ya.

2. Gwakọta piston na mkpanaka njikọ. Mgbe ị na-agbakọta piston na mkpanaka njikọ, ṅaa ntị na ọnọdụ ha na nhazi ha.

Atọ, ntụtụ piston arụnyere nke ọma. Ntụtụ piston na oghere ntụtụ bụ nnyonye anya dabara. Mgbe ị na-etinye, buru ụzọ tinye piston na mmiri ma ọ bụ mmanụ ma kpoo ya ọkụ ruo 90 ° C ~ 100 ° C. Mgbe ị wepụsịrị ya, tinye eriri ahụ n'ọnọdụ kwesịrị ekwesị n'etiti oghere oche piston, wee wụnye pin piston nke nwere mmanụ na ntụzịaka a kara aka. n'ime oghere ntụtụ piston na mkpanaka njikọ ọla kọpa

Nke anọ, ntinye nke mgbanaka piston. Mgbe ị na-etinye mgbanaka piston, ṅaa ntị na ọnọdụ na usoro nke mgbanaka ọ bụla.

Nke ise, wụnye njikọ mkpanaka otu.