Ụlọ ọrụ mmepụta ihe SAIC MAXUS V80 C00014713 Piston Ring-92MM

Ihe ọmụma ngwaahịa

Mgbaaka Piston bụ mgbaaka ígwè e ji etinye n'ime oghere nke piston ahụ. E nwere ụdị mgbaaka piston abụọ: mgbanaka mkpakọ na mgbanaka mmanụ. A na-eji mgbanaka mkpakọ emechi ngwakọta ọkụ na-ere n'ime ụlọ ọkụ; a na-eji mgbanaka mmanụ ehicha mmanụ gabigara ókè na silinda ahụ.

Mgbanaka piston bụ mgbanaka ígwè na-agbanwe agbanwe nke nwere nnukwu mgbanwe mpụta, nke a na-ejikọta n'ime oghere annular nke kwekọrọ na ngalaba obe. Mgbanaka piston ndị na-agbanwe agbanwe na ndị na-agbanwe agbanwe na-adabere na ọdịiche nrụgide nke gas ma ọ bụ mmiri mmiri iji mepụta akara n'etiti elu okirikiri mpụta nke mgbanaka ahụ na silinda na otu akụkụ nke mgbanaka ahụ na oghere mgbanaka ahụ.

A na-eji mgbaaka piston eme ihe n'ọtụtụ igwe ike dị iche iche, dịka injin steam, injin dizel, injin petrol, compressors, igwe hydraulic, wdg, a na-ejikwa ha nke ọma n'ụgbọala, ụgbọ okporo ígwè, ụgbọ mmiri, ụgbọ mmiri, wdg. N'ozuzu, a na-etinye mgbanaka piston n'ime oghere mgbanaka nke piston ahụ, ọ na-emekwa ụlọ nwere piston, silinda liner, isi silinda na ihe ndị ọzọ iji rụọ ọrụ.

ihe dị mkpa

Mgbanaka piston bụ isi ihe dị n'ime injin mmanụ ọkụ, nke na-emecha mkpuchi nke gas mmanụ ọkụ yana silinda, piston, mgbidi silinda, wdg. Injin ụgbọ ala a na-ejikarị eme ihe bụ injin dizel na petrol. N'ihi arụmọrụ mmanụ dị iche iche ha, mgbanaka piston ejiri dịkwa iche. E ji ihe nkedo mepụta mgbanaka piston mbụ, mana site na ọganihu nke teknụzụ, e mepụtara mgbaaka piston ígwè dị elu. , na site na mmezi na-aga n'ihu nke ọrụ injin na ihe achọrọ gburugburu ebe obibi, ọtụtụ ngwa ọgwụgwọ elu dị elu, dị ka ịgba ọkụ, electroplating, chrome plating, gas nitriding, deposition physical, mkpuchi elu, zinc-manganese phosphating, wdg. Ọrụ nke mgbanaka piston ka mma nke ukwuu.

ọrụ

Ọrụ nke mgbanaka piston gụnyere ọrụ anọ: mkpuchi, ịchịkwa mmanụ (njikwa mmanụ), ikpo ọkụ (nnyefe okpomọkụ), na nduzi (nkwado). Ịkpuchi: na-ezo aka na mkpuchi gas, igbochi gas dị n'ime ụlọ ọkụ ịgbasa n'ime crankcase, ijikwa mmịpụta gas ruo obere, na imeziwanye arụmọrụ okpomọkụ. Nwụpụta ikuku agaghị ebelata naanị ike nke injin ahụ, kamakwa ọ ga-emebi mmanụ ahụ, nke bụ ọrụ bụ isi nke mgbanaka ikuku; Gbanwee mmanụ (njikwa mmanụ): kpochapu mmanụ na-eme ka mmanụ dị oke mma na mgbidi silinda, ma n'otu oge ahụ mee ka mgbidi silinda dị gịrịgịrị Ihe nkiri mmanụ dị gịrịgịrị na-eme ka mmanụ nkịtị dị na silinda, piston na mgbanaka, nke bụ ọrụ bụ isi nke mgbanaka mmanụ. Na injin ndị dị elu nke oge a, a na-elebara ọrụ nke mgbanaka piston anya iji chịkwaa ihe nkiri mmanụ; ikpo ọkụ: a na-eduzi okpomọkụ nke piston na silinda liner site na mgbanaka piston, ya bụ, ịjụ oyi. Dịka data a pụrụ ịtụkwasị obi si kwuo, pasentị 70-80 nke okpomọkụ nke elu piston na piston a na-anaghị ajụ oyi na-agbasa site na mgbanaka piston ruo na mgbidi silinda, pasentị 30-40 nke piston a na-ajụ oyi na-ebuga na silinda site na mgbanaka piston Nkwado: Mgbanaka piston na-eme ka piston dị na silinda ahụ dịgide, na-egbochi piston ahụ ka ọ ghara imetụ mgbidi silinda ahụ ozugbo, na-ahụ na mmegharị dị mma nke piston ahụ, na-ebelata nguzogide esemokwu, ma na-egbochi piston ịkụ silinda ahụ. N'ozuzu, piston nke injin gasoline na-eji mgbanaka ikuku abụọ na otu mgbanaka mmanụ, ebe injin dizel na-ejikarị mgbanaka mmanụ abụọ na otu mgbanaka ikuku. [2]

njirimara

ike

Ike ndị na-arụ ọrụ na mgbanaka piston gụnyere nrụgide gas, ike na-agbanwe agbanwe nke mgbanaka ahụ n'onwe ya, ike na-adịghị arụ ọrụ nke mmegharị nke mgbanaka ahụ, esemokwu dị n'etiti mgbanaka ahụ na silinda na oghere mgbanaka ahụ, wdg. N'ihi ike ndị a, mgbanaka ahụ ga-emepụta mmegharị ndị bụ isi dịka mmegharị axial, mmegharị radial, na mmegharị ntụgharị. Na mgbakwunye, n'ihi njirimara mmegharị ya, yana mmegharị na-adịghị arụ ọrụ, mgbanaka piston ahụ na-apụta nkwụsịtụ na mkpọtụ axial, mmegharị na-adịghị arụ ọrụ na radial, mmegharị na-agbagọ agbagọ, wdg. nke mmegharị na-adịghị arụ ọrụ na axial na-akpata. Mmegharị ndị a na-adịghị arụ ọrụ na-egbochikarị mgbanaka piston ịrụ ọrụ. Mgbe ị na-emepụta mgbanaka piston, ọ dị mkpa inye egwuregwu zuru oke na mmegharị dị mma ma chịkwaa akụkụ na-adịghị mma.

conductivity okpomọkụ

Okpomọkụ dị elu nke ọkụ na-akpata na-ebuga na mgbidi silinda site na mgbanaka piston, ka o wee nwee ike ime ka piston jụọ oyi. Okpomọkụ nke a na-agbasa na mgbidi silinda site na mgbanaka piston nwere ike iru pasent 30 ruo 40 nke okpomọkụ nke elu piston ahụ na-amịkọrọ.

ikuku siri ike

Ọrụ mbụ nke mgbanaka piston bụ idobe akara dị n'etiti piston na mgbidi silinda na ijikwa ntapu ikuku ruo obere oge. Ọrụ a bụ nke mgbanaka gas na-arụkarị, ya bụ, n'ọnọdụ ọ bụla nke injin ahụ, a ga-achịkwa ntapu ikuku na gas a na-agbakọ agbakọ ruo obere oge iji melite arụmọrụ okpomọkụ; iji gbochie ntapu n'etiti silinda na piston ma ọ bụ n'etiti silinda na mgbanaka ahụ. Jide; gbochie ọdịda nke mmebi nke mmanụ mmanụ na-eme ka mmanụ dị nro, wdg.

Njikwa mmanụ

Ọrụ nke abụọ nke mgbanaka piston bụ ịchacha mmanụ mmanụ ejiri mgbidi silinda mee nke ọma ma nọgide na-enwe oriri mmanụ nkịtị. Mgbe mmanụ mmanụ a na-enye buru ibu, a ga-amịnye ya n'ime ụlọ ọkụ, nke ga-eme ka oriri mmanụ dịkwuo elu, ọ ga-enwekwa mmetụta ọjọọ na arụmọrụ nke injin ahụ n'ihi carbon nke ọkụ ahụ na-emepụta.

Nkwado

Ebe ọ bụ na piston ahụ pere mpe karịa dayameta dị n'ime silinda ahụ, ọ bụrụ na enweghị mgbanaka piston, piston ahụ anaghị akwụsi ike na silinda ahụ, ọ nweghịkwa ike ịkwaga n'enweghị nsogbu. N'otu oge ahụ, mgbanaka ahụ na-egbochi piston ahụ ịkpọtụrụ silinda ozugbo ma na-arụ ọrụ nkwado. Ya mere, mgbanaka piston ahụ na-agagharị elu na ala na silinda ahụ, ebe mgbanaka ahụ na-amị amị na-ebukwa elu ya nke ọma.

Nhazi ọkwa

Site na nhazi

A. Nhazi monolithic: site na usoro nke ịkpụ ihe ma ọ bụ ịkpụ ihe dị n'ime ya.

b. Mgbaaka ejikọtara ọnụ: Mgbaaka piston nke nwere akụkụ abụọ ma ọ bụ karịa nke a kpọkọtara n'ime oghere mgbanaka.

c. Mgbanaka mmanụ e ji oghere mee: mgbanaka mmanụ nwere akụkụ yiri ibe ya, ala abụọ e ji aka kpaa na oghere nloghachi mmanụ.

D. Mgbanaka mmanụ spring coil nke a kpụchara akpụcha: tinye mgbanaka mmanụ nke spring nkwado coil n'ime mgbanaka mmanụ a kpụchara akpụcha. Mgbanaka nkwado nwere ike ime ka nrụgide radial dị mkpa dịkwuo elu, ike ya dịkwa n'elu ime mgbanaka ahụ hà nhata. A na-ahụkarị ya na mgbanaka injin dizel.

E. Mgbanaka mmanụ ejiri ígwè mee: mgbaaka mmanụ nke nwere mgbanaka mkpuchi na mgbaaka abụọ e ji akpụcha ihe. Nhazi nke mgbanaka nkwado ahụ dịgasị iche iche dabere na ndị nrụpụta ma a na-ahụkarị ya na mgbaaka injin mmanụ ụgbọala.

Ụdị nkebi

Mgbanaka bọket, mgbanaka kọn, mgbanaka mgbagharị chamfer dị n'ime, mgbanaka wedge na mgbanaka trapezoid, mgbanaka imi, mgbanaka mgbagharị ubu mpụta, mgbanaka mgbagharị chamfer dị n'ime, mgbanaka njikọta eriri ígwè, mgbanaka mmanụ chamfer dị iche iche, otu aka ahụ.

Site na ihe

Ígwè a kpụrụ akpụ, ígwè.

ọgwụgwọ elu

Mgbanaka Nitride: Ike nke oyi akwa nitride karịrị 950HV, ike mgbawa bụ ọkwa nke 1, ọ na-enwekwa ezigbo ike iyi na iguzogide nchara. Mgbanaka Chrome-plated: Oyi akwa chrome-plated dị mma, dị obere ma dị ire ụtọ, nwere ike karịrị 850HV, ezigbo ike iyi, yana netwọk nke obere mgbawa, nke na-enyere aka ịchekwa mmanụ mmanụ. Mgbanaka Phosphating: Site na ọgwụgwọ kemịkalụ, a na-emepụta oyi akwa nke ihe nkiri phosphating n'elu mgbanaka piston, nke na-arụ ọrụ mgbochi nchara na ngwaahịa ahụ ma na-eme ka arụmọrụ mbụ nke mgbanaka ahụ ka mma. Mgbanaka Oxidation: N'okpuru ọnọdụ okpomọkụ dị elu na oxidant siri ike, a na-emepụta ihe nkiri oxide n'elu ihe ígwè, nke nwere ike iguzogide nchara, mmanụ mgbochi esemokwu na ọdịdị dị mma. E nwere PVD wdg.

dịka ọrụ si dị

E nwere ụdị mgbanaka piston abụọ: mgbanaka gas na mgbanaka mmanụ. Ọrụ nke mgbanaka gas bụ ijide n'aka na akara dị n'etiti piston na silinda. Ọ na-egbochi gas okpomọkụ dị elu na nrụgide dị elu na silinda ka ọ ghara ịgbapụta n'ime crankcase n'ọtụtụ buru ibu, ma n'otu oge ahụ na-eduzi ọtụtụ okpomọkụ site n'elu piston ruo na mgbidi silinda, nke mmiri oyi ma ọ bụ ikuku na-ewepụ.

A na-eji mgbanaka mmanụ ahụ ehicha mmanụ karịrị akarị na mgbidi silinda ahụ, ma tee ihe mkpuchi mmanụ otu otu na mgbidi silinda ahụ, nke nwere ike ọ bụghị naanị igbochi mmanụ ịbanye na silinda ma gbaa ọkụ, kamakwa ọ na-ebelata mmebi na ndọda nke piston, mgbanaka piston na silinda. iguzogide esemokwu. [1]

ojiji

Njirimara dị mma ma ọ bụ nke ọjọọ

Elu ọrụ nke mgbanaka piston agaghị enwe nku, ọkọ na mkpụcha, elu silinda dị n'èzí na elu na ala ga-enwe ezigbo ire ụtọ, nkuchigharị agaghị agafe 0.02-0.04 mm, na oke mmịpụta nke mgbanaka dị n'ime oghere agaghị agafe 0.15-0.25 mm, nrụgharị na nchapụta nke mgbanaka piston na-emezu iwu ndị a. Na mgbakwunye, a kwesịkwara ịlele ọkwa mmịpụta ìhè nke mgbanaka piston, ya bụ, a ga-etinye mgbanaka piston dị larịị na silinda, a ga-etinye obere egbe ọkụ n'okpuru mgbanaka piston, a ga-etinyekwa efere ndo na ya, mgbe ahụ a ga-ahụ oghere mmịpụta ìhè dị n'etiti mgbanaka piston na mgbidi silinda. Nke a na-egosi ma njikọ dị n'etiti mgbanaka piston na mgbidi silinda dị mma. N'ozuzu, oghere mmịpụta ìhè nke mgbanaka piston ekwesịghị ịgafe 0.03 mm mgbe a tụrụ ya na nha ọkpụrụkpụ. Ogologo nke oghere ntapụ ìhè na-aga n'ihu ekwesịghị ịdị karịa 1/3 nke dayameta silinda, ogologo nke ọtụtụ oghere ntapụ ìhè ekwesịghị ịdị karịa 1/3 nke dayameta silinda, ogologo mkpokọta nke ọtụtụ oghere ntapụ ìhè ekwesịghịkwa ịgafe 1/2 nke dayameta silinda, ma ọ bụghị ya, a ga-edochi ya.

iwu akara

Akara mgbaaka piston GB/T 1149.1-94 kwuru na mgbaaka piston niile chọrọ ntụziaka nrụnye kwesịrị inwe akara n'akụkụ elu, ya bụ, akụkụ dị nso na ụlọ ọkụ. Mgbaaka ndị a na-egosi n'akụkụ elu gụnyere: mgbanaka kọnịk, chamfer dị n'ime, mgbanaka tebụl a kpụchara akpụ, mgbanaka imi, mgbaaka wedge na mgbanaka mmanụ nke chọrọ ntụziaka nrụnye, yana akara n'akụkụ elu nke mgbaaka ahụ.

Mkpachapụ anya

Lezienụ anya mgbe ị na-etinye mgbaaka piston

1) A na-etinye mgbanaka piston ahụ n'ime ihe mkpuchi silinda ahụ nke ọma, ọ ga-enwerịrị oghere oghere ụfọdụ na njikọ ahụ.

2) A ga-etinye mgbanaka piston ahụ n'elu piston ahụ, n'ime oghere mgbanaka ahụ, e kwesịrị inwe oghere akụkụ ụfọdụ n'akụkụ ebe ịdị elu ahụ dị.

3) A ga-etinye mgbanaka chrome plated n'ọwa mbụ ahụ, oghere ahụ ekwesịghịkwa iche ihu n'akụkụ olulu eddy current dị n'elu piston ahụ.

4) A na-eji 120°C emechi oghere nke mgbanaka piston ọ bụla, a naghịkwa ekwe ka ha chee ihu na oghere pin piston ahụ.

5) Maka mgbaaka piston nwere akụkụ gbagọrọ agbagọ, elu gbagọrọ agbagọ kwesịrị ịdị elu n'oge nrụnye.

6) N'ozuzu, mgbe etinyere mgbanaka torsion, chamfer ma ọ bụ oghere kwesịrị ịdị elu; mgbe etinyere mgbanaka mgbochi torsion a gbagọrọ agbagọ, debe cone ahụ ka ọ na-eche ihu elu.

7) Mgbe a na-etinye mgbanaka a gwakọtara agwakọta, a ga-ebu ụzọ tinye mgbanaka lining axial, e mesịa tinye mgbanaka dị larịị na mgbanaka ebili mmiri. A na-etinye mgbanaka dị larịị n'elu na ala nke mgbanaka ebili mmiri, a ga-etinyekwa oghere nke mgbanaka ọ bụla n'ebe ibe ha nọ.

Ọrụ ihe onwunwe

1. Iyi iguzogide

2. Nchekwa mmanụ

3. Ike siri ike

4. Mgbochi ire ere

5. Ike

6. Mgbochi okpomọkụ

7. Nkwụsi ike

8. Ịbelata arụmọrụ

N'ime ha, ihe ndị kacha mkpa bụ iguzogide iyi na mgbanwe. Ihe mgbanaka piston nke injin dizel dị elu gụnyere isi awọ, ígwè ductile, ígwè alloy cast, na ígwè vermicular graphite cast.

Mgbakọ mkpanaka njikọ piston

Isi ihe dị na mgbakọ nke otu njikọ mkpara piston nke na-emepụta mmanụ dizel bụ ndị a:

1. Aka uwe ọla kọpa nke e ji ejikọta ihe na-adaba na ịpị. Mgbe ị na-etinye aka uwe ọla kọpa nke mkpanaka njikọ ahụ, ọ kacha mma iji igwe ma ọ bụ vise, ma kụkwala ya na hama; oghere mmanụ ma ọ bụ oghere mmanụ dị na aka uwe ọla kọpa kwesịrị ịdị n'otu na oghere mmanụ dị na mkpanaka njikọ ahụ iji hụ na ọ na-amị mmanụ.

2. Chịkọta piston na mkpanaka njikọ. Mgbe ị na-ejikọta piston na mkpanaka njikọ, lebara anya n'ọnọdụ na ebe ha na-aga.

Ntụtụ piston atọ e tinyere nke ọma. Ntụtụ piston na oghere ntụtụ ahụ dabara adaba. Mgbe ị na-etinye ya, buru ụzọ tinye piston ahụ na mmiri ma ọ bụ mmanụ ma kpoo ya ọkụ ruo 90°C ~ 100°C. Mgbe ị wepụsịrị ya, tinye mkpanaka ntụtụ ahụ n'ọnọdụ kwesịrị ekwesị n'etiti oghere oche piston ahụ, wee tinye ntụtụ piston ahụ e ji mmanụ kpuchie n'ụzọ edobere anya. N'ime oghere ntụtụ piston ahụ na aka ọla kọpa nke na-ejikọ mkpanaka ahụ.

Nke anọ, itinye mgbanaka piston. Mgbe ị na-etinye mgbaaka piston, lezie anya n'ọnọdụ na usoro nke mgbanaka ọ bụla.

Nke ise, tinye otu mkpara njikọ.