Ngwa nke rọba n'ime ụgbọ ala

Igwe rọba pụrụ iche edochila ngwaahịa rọba nkịtị n'ọtụtụ mpaghara, ọkachasị na ụlọ ọrụ ụgbọ ala, yana arụmọrụ ya pụrụ iche ma dị oke mma.Dị ka ihe achọrọ dị iche iche nke akụkụ rọba dị iche iche nke ụgbọ ala, a ga-ahọrọ ihe dị iche iche rọba pụrụ iche.

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Igwe rọba dị elu dị iche iche maka ụgbọ ala na-eji nwayọọ nwayọọ na-anakwere rọba pụrụ iche iji mezuo ihe achọrọ dị elu

Enwere ọtụtụ akụkụ rọba a na-eji na ụgbọ ala ma na-arụ ọrụ dị iche iche na sistemụ ụgbọ ala.Dịka ọmụmaatụ, a na-eji teepu eme ihe maka nnyefe mmegharị, a na-eji akara na-akwado radial ma ọ bụ akụkụ mmegharị ahụ, gaskets na O-rings na-ekpuchi mmanụ ma ọ bụ mmanụ ụgbọala, eriri roba na-ebufe mmiri mmiri ma ọ bụ gas, na diaphragms na-achịkwa. mmiri ma ọ bụ gas.Ihe ndị a chọrọ maka ụdị na arụmọrụ nke roba eji eme ihe dị iche iche n'ihi ojiji dị iche iche.A ga-ahọrọ ihe ahụ dịka nkwụsi ike ọkụ ya, mmanụ mmanụ, nkwụsị ọkụ, obere okpomọkụ mgbanwe na ike akara.Mgbe ụfọdụ, enwere ike ịhọrọ ihe dị iche iche maka otu ngwaọrụ, tumadi dabere na ngwa ngwa okpomọkụ, mmanụ ọkụ na ụdị mmanụ yana ihe ndị chọrọ ime ụgbọ ala.

Igwe ụgbọ ala
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Akara oge

A na-eji eriri oge na-anya ụgbọ ala crankshaft ka ọ na-agba ọsọ n'otu oge.E jiri ya tụnyere agbụ ígwè, eriri synchronous nwere ike belata mkpọtụ kọntaktị n'etiti eriri na sprocket, ọ dịghị mkpa mmanu mmanu, ma nwee njirimara nke dị arọ.N'otu oge ahụ, n'ihi mgbanwe ya, a pụkwara iji ya mee ihe maka ụgbọala multi axis.Na Japan, ihe karịrị 70% nke ụgbọ ala na-eji eriri synchronous, ebe na Europe, ihe karịrị 80% na-eji eriri synchronous.

Na mbụ, eriri synchronous roba bụ nke ejiri neoprene (CR) kpuchie ya.Agbanyeghị, rọba butadiene hydrogenated (HNBR) nwere arụmọrụ ka mma, yabụ ejirila ya mee ihe na eriri synchronous ụgbọ ala.Ọrụ zuru oke nke HNBR dị elu karịa nke CR, ọ nwekwara modulus siri ike, arụmọrụ dị ala dị ala, nguzogide okpomọkụ na nguzogide ozone, nguzogide mgbanwe dị mma na mma mmanụ dị mma na oke okpomọkụ.

N'ime ule ọrụ teepu, ọkwa na-eguzogide okpomọkụ nke HNBR bụ 40 Celsius C dị elu karịa nke CR na-ekpuchi roba n'okpuru otu oge ọrụ.N'otu oge ahụ, ndụ ọrụ nke HNBR bụ ugboro abụọ nke CR, na ogologo oge ya karịrị 100000 km.

Akara na gaskets

A na-ejikarị usoro akara akara iji gbochie ntapu nke mmiri mmiri ma ọ bụ ihe ndị ọzọ.Mgbe ụfọdụ, a na-eji ígwè, plastik ma ọ bụ akwa akwa mee akara, ma a na-ejikarị rọba eme ihe.Mgbe a na-eji mmanụ mmanụ mmanụ maka igwe na sistemu nnyefe, ihe mkpuchi ahụ bụ butadiene rubber (NBR), acrylate rubber (ACM), silicone roba (VMQ) ma ọ bụ fluororubber (FPM).

Engine mmanụ chọrọ ogologo ndụ ndụ, ala viscosity (mmanụ ịzọpụta), ire ụtọ lubrication n'okpuru elu okpomọkụ, wdg Ya mere, engine mmanụ na-enwekarị a dịgasị iche iche nke mgbakwunye.NBR ga-emebi emebi nke ukwuu na gburugburu ebe obibi na-eme ka ọ dị ọcha, onye na-ahụ maka ịka nká na onye na-eyi uwe, ebe HNBR, FPM na ACM nwere ike ịnọgide na-arụ ọrụ ike dị mma mgbe etinyere ya na mmanụ nwere ihe mgbakwunye na okpomọkụ dị elu ruo ogologo oge.Ọ bụ ezie na ike tensile nke ACM dị ala, ọ nwere ike ịnọgide na-arụ ọrụ kwụsiri ike na mgbakwunye niile ma e wezụga alkyl phosphate na lead naphthenate.Ngwongwo anụ ahụ nke FPM adịghị elu, ma ọ nwere oke okpomọkụ na-eguzogide mmanụ.Ike ike nke HNBR bụ nke kachasị elu n'etiti rubbers ndị a, na nguzogide ya na mgbakwunye dị iche iche bụkwa nke kachasị mma.Naanị zinc dithiophosphate nwere mmetụta dị nta na ya.

Ruo ogologo oge, ụlọ ọrụ ụgbọ ala na-eji NBR na roba cork na-eme gaskets maka injin, mana ugbu a ọ na-ejikarị ACM na VMQ iji gboo ihe achọrọ nke nguzogide okpomọkụ, ikike mkpuchi na ịdịte aka mkpakọ.N'okpuru ọnọdụ nkịtị, VMQ dị mma karịa ACM na mgbanwe okpomọkụ dị ala na nguzogide okpomọkụ, mana VMQ ga-adị nro nke ukwuu mgbe etinyere ya na mmanụ engine ruo ogologo oge.N'ụzọ dị iche, FPM na ACM enweghị mmebi.

Ọkụ radiator mmanụ na ọkpọkọ nnyefe ikuku

Ọkpụkpọ rọba nke radiator mmanụ na-ete mmanụ na tube rọba nke radiator mmanụ bụ nke mejupụtara rọba dị n'ime NBR na rọba mpụta CR.Iji meziwanye nguzogide okpomọkụ, a na-ejikwa chlorinated ether roba (ECO) na chlorinated polyethylene (CM) mee ihe, ma ugbu a ACM na AEM na-ejikarị eme ihe.Ọkpụkpọ nnyefe ikuku na ọkpọkọ oriri ga-enwerịrị mgbanwe dị mma, nguzogide ihu igwe, nnabata ujo, nkwụsị ndakpọ ikuku na nguzogide mmanụ.A na-ahọrọ ụdị elastomers dị iche iche (dịka CR, NBR / PVC, EPDM, ECO, CM, ACM) na thermoplastic elastomers (dị ka ngwakọta nke polyester, polypropylene na EPDM) maka nzube a, dabere na ihe dị iche iche chọrọ maka ụgbọ ala dị iche iche.

Sistemụ mmanụ ọkụ na sistemu hydraulic

Ọdọ mmiri rọba maka sistemu mmanụ ọkụ

Usoro mmanụ ọkụ na-ejikarị tankị mmanụ, nzacha, mgbapụta na ọkpọkọ njikọ.Enwere ike iji ígwè, thermoplastic (na-emekarị polyamine) ma ọ bụ rọba siri ike mee ọkpọkọ nnyefe mmanụ.

1) Ọkụ mmanụ ụgbọala

E nwere ugbu a ụdị abụọ nke mmanụ ụgbọala usoro: carburetor na mmanụ ụgbọala injection mgbapụta.NBR ma ọ bụ NBR / PVC (PB) na-eji mgbe niile dị ka n'ime gluu na CR dị ka mpụta gluu maka roba sooks eji na carburetor usoro.Ọnọdụ ahụ agbanweghị ruo mgbe etinyere mmanụ ụgbọala nwere nnukwu ihe mejupụtara ihe na-esi ísì ụtọ.Mmanụ ụgbọala nwere nnukwu ihe na-esi ísì ụtọ ga-eme ka mgbawa nke NBR dị n'ime, nke enwere ike idozi site na iji NBR mmiri mmiri dị ka plasticizer na-enweghị mmịpụta.

Ka okpomọkụ nke ụlọ engine na-ebili, gluu nke mpụta mmanụ ọkụ agbanweela site na CR gaa na chlorosulfonated polyethylene (CSM) ma ọ bụ trimer nke epichlorohydrin ethylene oxide allyl glycidyl ether (GECO), na nkwụsị ozone na nguzogide okpomọkụ nke GECO nwere ike ịbụ. emelitere site n'ịbawanye ọdịnaya nke allyl glycidyl ether (AGE) na GECO.A na-eji GECO ugbu a dị ka rọba mpụta nke tube roba mmanụ.E jiri ya tụnyere CR na CSM, ọ ka nwere nguzogide ozone dị egwu mgbe ejiri mmanụ nnwale wepụta ya.

N'ime usoro ịgbanye mmanụ ọkụ, e nwere ụdị ụdị abụọ nke eriri roba: eriri roba dị elu dị n'etiti mgbapụta mmanụ na valve injection, na obere eriri roba dị n'etiti onye na-ahụ maka nrụgide na tank mmanụ.Igwe rọba dị n'ime nke eriri roba dị elu na-anabata FPM, n'ihi na ọ nwere ikike mmanụ ala dị ala, nguzogide mmanụ oxidation dị mma na nguzogide oke ọkụ.A ga-eji FPM ma ọ bụ HNBR mee oyi akwa dị n'ime nke eriri rọba dị ala.E jiri ya tụnyere FPM, HNBR nwere ikike mmanụ ọkụ na-adịghị mma, mana ọnụahịa ya dị ala.E jiri ya tụnyere NBR, HNBR nwere ike tensile dị elu yana njirimara anụ ahụ zuru oke mgbe ọ gbasasịrị na mmanụ ụgbọala oxidized.

2) Mmanụ na-ejupụta rọba tube

Igwe na-ejuputa ihe na-ejikọta okpu mkpuchi na tank mmanụ bụ nke PB mgbe niile.Na nso nso a, FPM trimer inner roba na GECO mpụta rọba injection hose ka emepụtara n'ihu n'ibelata ikike mmanụ ụgbọala.Nke a dị mkpa n'ihe gbasara ụkpụrụ iwu na-agbanwe agbanwe.

3) eriri roba na-agbanwe agbanwe

A na-eji tube nke na-agbanwe agbanwe na-eme ka ihe ahụ dị ka tube tube na-eji maka usoro mmanụ ụgbọala nke carburetor, ya bụ, NBR na-ejikarị eme ihe dị ka roba n'ime na CR dị ka roba.

4) Control roba tube (njikọ agụụ akara valvụ na suction manifold)

A na-eji ụdị rọba atọ dị iche iche maka eriri njikwa, dabere na ọnọdụ okpomọkụ.Site na mmụba nke okpomọkụ na-arụ ọrụ, ihe na-agbanwe site na NBR/CR ruo GECO ruo ACM.E mepụtala ụdị ọhụrụ ACM, nke nwere ezigbo anụ ahụ zuru oke.

Akara na diaphragms maka mmanụ ụgbọala

The mmanụ ụgbọala mgbapụta diaphragm bụ ahụkarị mmanụ ụgbọala mgbapụta Ọdịdị na carburetor usoro.Iji gbochie mmetụta okpomọkụ nke engine ahụ, diaphragm aghaghị ọ bụghị naanị na ọ ga-adị mma na mmanụ ụgbọala, kamakwa ọ nwere nnukwu nkwụsị ọkụ.Ihe ndị a na-eji bụ NBR na PB agbanweela ka ọ bụrụ HNBR na FPM, n'ihi na mmanụ ụgbọala na-eguzogide oxidation chọrọ.Maka akara, NBR, PB, HNBR na FPM nwere ike iji maka ihe na-awụ akpata oyi n'ahụ, ihe mkpuchi na mkpuchi mmanụ.Ihe eji eme ihe na-adabere na okpomọkụ eji eme ihe.

Ngwaahịa rọba maka sistemụ ụgbọ mmiri hydraulic

Usoro nhazi nke hydraulic nwere ụdị abụọ nke eriri roba: eriri roba dị elu n'etiti mgbapụta mmanụ na igbe igbe;Igwe rọba nrụgide dị ala n'etiti igbe gear na tank mmanụ.N'oge gara aga, a na-eji NBR na CR dị ka oyi akwa dị n'ime na oyi akwa nke eriri roba abụọ ahụ n'otu n'otu.ACM ma ọ bụ CSM na-eji ugbu a maka oyi akwa dị n'ime nke eriri rọba dị ala iji meziwanye nguzogide okpomọkụ ya.Ọkpụkpụ rọba dị elu ọhụrụ nke mejupụtara rọba mkpuchi HNBR dị n'ime na roba oyi akwa CSM nwere nguzogide okpomọkụ dị mma karịa eriri roba gara aga.

Ngwaahịa rọba maka usoro ntụ oyi

Mgbe refrigerant bụ CFC12, roba n'ime nke roba tube bụ NBR na mpụta roba bụ CR.Ugbu a, mmanụ refrigerant na mmanụ lubricating agbanweela, na-achọ ka e jiri ihe ndị ka mma, na eriri roba agbanweela site na okpukpu abụọ ruo atọ.Ngwunye dị n'ime nwere nnukwu okpomọkụ na-eguzogide okpomọkụ na obere permeability, oyi akwa dị n'etiti nwere obere permeability, na oyi akwa nke dị n'èzí nwere nnukwu okpomọkụ na-eguzogide na ihu igwe.Igwe rọba ndị a na-eji ugbu a bụ akwa akwa rọba atọ, ya bụ, ngwakọta PA na EPDM, IIR na EPDM ma ọ bụ ngwakọta PA gbanwetụrụ, IIR na chlorinated IIR (CIIR).

Ihe eji eme rọba ejiri maka mkpuchi mkpuchi mkpuchi ikuku kwesịrị inwe nguzogide mgbaze dị elu, ma CFC-12 na HFC-134a.Ọ dịghị otu ihe rubber nwere ike iguzogide refrigerants abụọ n'otu oge, ma ihe ngwakọta nwere ike izute ihe a chọrọ.A na-akpọ ihe a RBR (ihe na-eguzogide refrigerant abụọ).

Ụlọ ọrụ ụgbọ ala ewepụtala ihe dị elu ma dị elu maka akụkụ dị iche iche.A ga-eji rọba pụrụ iche na-eguzogide okpomọkụ, ogologo ndụ ọrụ, obere permeability na akwa mkpuchi akwa ga-eji ya na ụlọ ọrụ ụgbọ ala.


Oge nzipu: Nov-09-2022