Nhọrọ nke ọgwụgwọ elu bụ nsogbu nke onye ọ bụla na-emepụta ihe na-eche ihu. E nwere ọtụtụ ụdị nhọrọ ọgwụgwọ elu dị, onye nrụpụta ọkwa dị elu ekwesịghị ịtụle naanị akụ na ụba na uru nke imewe ahụ, kamakwa lebara anya na usoro nhazi na ọbụna ihe achọrọ maka gburugburu ebe obibi. N'okpuru ebe a bụ obere okwu mmalite maka ụfọdụ mkpuchi a na-ejikarị eme ihe maka ihe mkpuchi dabere na ụkpụrụ ndị dị n'elu, maka ntụaka site n'aka ndị na-eme ihe mkpuchi.
1. Ịmepụta ihe n'ọkụ eletrik
Zinc bụ mkpuchi a na-ejikarị eme ihe maka ihe mkpuchi azụmaahịa. Ọnụahịa ya dị ọnụ ala, ọdịdị ya dịkwa mma. Agba ndị a na-ahụkarị gụnyere oji na akwụkwọ ndụ akwụkwọ ndụ ndị agha. Agbanyeghị, arụmọrụ ya na-egbochi ire ere bụ nkezi, arụmọrụ ya na-egbochi ire ere bụ nke kacha ala n'etiti akwa mkpuchi zinc (mkpuchi). N'ozuzu, a na-eme nnwale nnu na-anọpụ iche nke ígwè galvanized n'ime awa 72, a na-ejikwa ihe mkpuchi pụrụ iche iji hụ na nnwale nnu na-anọpụ iche na-adịru ihe karịrị awa 200. Agbanyeghị, ọnụahịa ahụ dị oke ọnụ, nke bụ ugboro 5-8 nke ígwè galvanized nkịtị.
Usoro nke electrogalvanization na-enwekarị ike imebi hydrogen, yabụ anaghị eji galvanizing agwọ bolts karịrị ọkwa 10.9. Ọ bụ ezie na enwere ike iwepụ hydrogen site na iji oven mgbe emechara mkpuchi, ihe nkiri passivation ga-emebi na okpomọkụ karịrị 60 ℃, yabụ a ga-ewepụ hydrogen mgbe emechara electroplating na tupu passivation. Nke a nwere obere ọrụ na ọnụ ahịa nhazi dị elu. N'eziokwu, ụlọ ọrụ mmepụta ihe anaghị ewepụ hydrogen nke ọma ma ọ bụrụ na ndị ahịa akọwapụtara enye iwu.
Nkwụsi ike dị n'etiti ike nrụgide na ike nrụgide nke ihe njide galvanized adịghị mma ma na-akwụsi ike, a naghịkwa eji ha ejikọta akụkụ dị mkpa. Iji melite nguzozi nke ibugharị torque, enwere ike iji usoro mkpuchi ihe ndị na-eme ka mmanụ dị mma mgbe e tinyere ya n'ime ihe mkpuchi iji melite ma melite nguzozi nke ibugharị torque.
2. Ịmepụta Phosphating
Isi ihe dị mkpa bụ na phosphating dị ọnụ ala karịa galvanizing, mana iguzogide nchara ya dị njọ karịa galvanizing. Mgbe phosphating gasịrị, a ga-etinye mmanụ, iguzogide nchara ya na arụmọrụ nke mmanụ etinyere na ya nwere njikọ chiri anya. Dịka ọmụmaatụ, mgbe phosphating gasịrị, itinye mmanụ mgbochi nchara izugbe na ime nnwale nnu na-anọpụ iche maka naanị awa 10-20. Itinye mmanụ mgbochi nchara dị elu nwere ike were ruo awa 72-96. Mana ọnụ ahịa ya bụ okpukpu abụọ-3 nke mmanụ phosphating izugbe.
E nwere ụdị phosphating abụọ a na-ejikarị eme ihe maka ihe njide, phosphating dabere na zinc na phosphating dabere na manganese. Phosphating dabere na zinc nwere arụmọrụ mmanu mmanu karịa phosphating dabere na manganese, phosphating dabere na manganese nwere iguzogide nchara na nguzogide iyi karịa mkpuchi zinc. Enwere ike iji ya na okpomọkụ sitere na 225 ruo 400 degrees Fahrenheit (107-204 ℃). Karịsịa maka njikọ nke ụfọdụ ihe dị mkpa. Dịka njikọta bolts mkpanaka na mkpụrụ nke injin, isi silinda, isi bearing, flywheel bolts, wheel bolts na mkpụrụ, wdg.
Bọltị ndị siri ike na-eji phosphating, nke nwekwara ike izere nsogbu nke embrittlement hydrogen. Ya mere, boltị ndị karịrị ọkwa 10.9 n'ọhịa ụlọ ọrụ na-ejikarị ọgwụgwọ elu phosphating eme ihe.
3. Ịchacha ihe (ịchacha ihe)
Ịcha mmanụ ojii na-ewu ewu maka ihe mkpuchi ụlọ ọrụ n'ihi na ọ bụ ihe kacha ọnụ ala ma dị mma tupu e rie mmanụ. N'ihi na ọ na-agba ọchịchịrị, ọ fọrọ nke nta ka ọ ghara igbochi nchara, ya mere ọ ga-agba nchara ngwa ngwa na-enweghị mmanụ. Ọbụnadị n'ihu mmanụ, nnwale mmiri nnu nwere ike ịdịru naanị awa 3-5.
4. Nkewa Electroplating
Mkpuchi Cadmium nwere ezigbo nguzogide nchara, ọkachasị na gburugburu ebe obibi mmiri, ma e jiri ya tụnyere ọgwụgwọ elu ndị ọzọ. Ọnụ ego ọgwụgwọ mmiri mkpofu n'usoro electroplating cadmium dị elu, ọnụ ahịa ya dịkwa ihe dị ka ugboro 15-20 karịa nke zinc electroplating. Ya mere, a naghị eji ya eme ihe n'ụlọ ọrụ nkịtị, naanị maka gburugburu ebe ụfọdụ. Ihe njide ejiri mee ihe maka ikpo okwu mmanụ na ụgbọelu HNA.
5. Mkpuchi Chromium
Mkpuchi chromium a kwụsiri ike nke ukwuu n'ikuku, ọ dịghị mfe ịgbanwe agba ma ghara ịcha mma, ọ na-esikwa ike nke ukwuu ma nwee ezigbo ike iyi. A na-ejikarị ihe mkpuchi chromium eme ihe maka ihe ịchọ mma. A naghị eji ya eme ihe n'ụlọ ọrụ mmepụta ihe nwere oke mkpa iguzogide nchara, ebe ọ bụ na ihe mkpuchi chrome dị mma dịkwa oke ọnụ dịka ígwè anaghị agba nchara. Naanị mgbe ike ígwè anaghị agba nchara ezughi oke, a na-eji ihe mkpuchi chrome eme ihe kama.
Iji gbochie ire ere, a ga-ebu ụzọ kpuchie ọla kọpa na nickel tupu e tinye ha na chrome. Mkpuchi chromium nwere ike iguzogide oke okpomọkụ nke ogo 1200 Fahrenheit (650 ℃). Mana enwerekwa nsogbu nke hydrogen embrittlement, nke yiri electrogalvanizing.
6. Nkwakọba nickel
A na-ejikarị ya eme ihe n'ebe ndị chọrọ mgbochi ire ere na ezigbo ike ndọda. Dịka ọmụmaatụ, ọdụ batrị ụgbọala na-apụ apụ.
7. Ịmịnye ihe na-ekpo ọkụ
Mkpọchi ọkụ na-ekpo ọkụ bụ ihe mkpuchi zinc nke na-ekpo ọkụ ruo mmiri mmiri. Okpukpu mkpuchi ahụ dị n'etiti 15 na 100 μm. Ọ dịghịkwa mfe ijikwa ya, mana ọ na-eguzogide nchara nke ọma ma a na-ejikarị ya eme ihe na injinia. N'oge usoro mkpọchi ọkụ na-ekpo ọkụ, enwere mmetọ dị ukwuu, gụnyere mkpofu zinc na uzuoku zinc.
N'ihi mkpuchi dị oke arọ, o butere nsogbu n'ịkpụcha eriri dị n'ime na nke dị n'èzí na ihe njide. N'ihi okpomọkụ nke nhazi galvanizing ọkụ, enweghị ike iji ya maka ihe njide karịrị ọkwa 10.9 (340~500 ℃).
8. Ntinye Zinc
Mbanye Zinc bụ mkpuchi siri ike nke na-agbasa okpomọkụ nke zinc ntụ ntụ. Ọdịdị ya dị mma, enwere ike nweta otu oyi akwa n'ime eriri na oghere ndị na-enweghị isi. Ọkpụrụkpụ nke ihe mkpuchi ahụ bụ 10-110 μm. Enwere ike ijikwa njehie ahụ na 10%. Ike njikọ ya na arụmọrụ mgbochi ire ere na substrate bụ nke kacha mma na mkpuchi zinc (dịka electrogalvanizing, galvanizing ọkụ, na Dacromet). Usoro nhazi ya enweghị mmetọ ma dịkwa mma maka gburugburu ebe obibi.
9. Dacromet
Enweghị nsogbu ọ bụla gbasara embrittlement hydrogen, arụmọrụ nke torque preload dịkwa mma nke ukwuu. Na-atụleghị nsogbu chromium na gburugburu ebe obibi, Dacromet bụ n'ezie ihe kacha mma maka ihe njide siri ike dị elu nke nwere nnukwu ihe mgbochi corrosion.
Oge ozi: Mee-19-2023
