Copper strip ntau lawm technology, ntau lawm txoj kev yam ntxwv thiab kev daws teeb meem rau tej teeb meem
Copper sawb yog cov khoom siv hlau ntau heev. Nws yog feem ntau pom nyob rau hauv cov khoom siv hluav taws xob, lub teeb tuav, lub kaus mom roj teeb, cov nyees khawm, ntsaws ruaj ruaj, connectors, thiab lwm yam. Nws lub luag haujlwm tseem ceeb yog ua hluav taws xob, hluav taws xob, hluav taws xob, kev tiv thaiv corrosion, thiab lwm yam. Muaj rau thaj tsam ntawm tooj liab sawb ntau lawm, uas yog thaj tsam ntawm lub cub tawg. , kuaj, txiav cheeb tsam, kub dov cheeb tsam, dej ntxuav thiab phaj dov cheeb tsam. Tom ntej no, tus editor ntawm Xianji.com yuav tham nrog koj txog cov txheej txheem ntawm tooj liab sawb, cov yam ntxwv ntawm txias dov thiab kub dov nyob rau hauv cov txheej txheem ntau lawm, thiab cov kev daws rau tej yam teeb meem, xws li discoloration thiab shear indentation. Wb tham txog nws ua ke. Cia peb saib!
Copper strip production process flow:
1. Kev npaj: Raws li lub hom phiaj ntawm kev tsim khoom ua ntej, ntau qhov sib txawv ntawm zinc blocks ntxiv rau cov khoom siv tooj liab los tsim cov khoom siv tooj liab ntawm cov khoom sib txawv.
2. Kev soj ntsuam hauv chav kuaj: txhawm rau txhawm rau ua kom tiav cov khoom tiav uas tsim nyog thiab muaj txiaj ntsig zoo, qhov tseeb ntawm kev sim ntsuas qhov ntsuas yog qhov tseem ceeb heev. Lub luag haujlwm ntawm lub chaw soj nstuam yog kom sai thiab raug tshaj tawm cov txiaj ntsig kev xeem rau tus tswv ntawm lub cub tawg raws li cov tooj liab blocks xa mus rau kev tshuaj xyuas.
3. Txiav: Cov tooj liab ua tiav yog rub los ntawm ib txoj hlua dai, muab tso rau hauv lub rooj txiav tshwj xeeb, thiab tom qab ntawd txiav los ntawm lub log txiav. Qhov tsis sib xws ntawm cov tooj liab bar yog ces smoothed los ntawm lub tshuab ntxhua khaub ncaws tooj liab, uas yog qhov zoo rau kev ua haujlwm tom qab. Lub flatness thiab smoothness ntawm tooj liab strip nto.
4. Kub dov: Cov hlais tooj liab yog rhuab ntawm qhov kub ntawm 1000 degree, ces kub dov, thiab dov mus rau hauv ib tug tooj liab strip nrog ib tug tuab ntawm txog 2.3cm.
5. Kev ntxuav dej: Tom qab txhua lub thaiv tooj liab tau dov, vim muaj cov impurities saum npoo, txhawm rau kom tsis txhob cuam tshuam qhov zoo ntawm cov khoom tiav, nws yuav tsum mus dhau ntawm lub qhov cub sealing dua thiab tom qab ntawd mus rau hauv cov txheej txheem ntxuav dej. Qhov chaw ntxuav dej tau muab faib ua ob hom pas dej raws li qhov sib txawv acidities. Qhov siab concentration yog 6-8 degrees, thiab qhov qis concentration yog 3-5 degrees. Ntawm lawv, qhov nruab nrab liab thaj ua rau thaj ntawm tooj liab rods thiab tooj liab strips tuaj yeem raug ntxuav tawm los ntawm cov kua qaub hauv cov dej ntxhua khaub ncaws, thaum cov xim liab tsaus tuaj yeem raug tshem tawm los ntawm txhuam nrog cov plaub hau zoo thaum ntxuav. Cov tooj liab strips tom qab no series ntawm kev kho mob yog obviously lub hauv av ci nrog lub inherent luster ntawm tooj liab. Ib yam li ntawd, yog tias tseem muaj thaj ua rau thaj liab thiab liab thaj ua rau thaj thaum lub sij hawm dov, cov kauj ruam ntxuav dej tseem yuav tsum tau rov ua dua. Thaum lub sijhawm ntxuav, cov kua qaub hauv lub pas dej yuav tsum tau kuaj xyuas tsis tu ncua thiab cov kua qaub yuav tsum tau ntxiv rau lub sijhawm kom tsis txhob ntxuav tsis txaus vim cov ntsiab lus acid tsawg.
6. Phaj dov: Lub phaj dov cheeb tsam yog muab faib ua 180 ua ntej dov thiab 110 nruab nrab dov raws li qhov chaw ntawm cov menyuam. Raws li qhov sib txawv ntawm ntau qhov sib txawv, cov kub dov tooj liab strips uas tau forged nyob rau hauv lub qhov cub sealing yog ua tiav los ntawm ntxhib mus rau nplua los ntawm ob kauj ruam saum toj no.
Cov yam ntxwv ntawm tooj liab strip ntau lawm txoj kev:
1. Txias dov ntawm tooj liab sawb
(1) Yas deformation.
(2) Lub siab nyob rau hauv qhov sib txawv ntawm qhov yob yog siab thiab muaj kev faib tawm siab, uas tuaj yeem ncav cuag qhov siab tshaj plaws ntawm 2700MPa.
(3) Muaj kev sib txhuam quab yuam raws qhov kev taw qhia dov thiab qhov sib txawv dov kev taw qhia tib lub sijhawm.
(4) Qhov kub ceev ntawm qhov sib txawv ntawm qhov yob yog siab, ncav cuag 200 ~ 300 degree.
(5) Scrolling thiab zawv zawg xeev coexist.
2. Kub dov ntawm tooj liab sawb
Qhov zoo ntawm kub dov tooj liab sawb:
(1) Kub dov tuaj yeem txo qis kev siv hluav taws xob thiab nqi. Thaum lub sij hawm kub dov, cov hlau muaj siab plasticity thiab tsis tshua muaj deformation kuj, uas zoo heev txo lub zog noj ntawm kub dov thaum hlau deformation.
(2) Kub dov tuaj yeem txhim kho kev ua haujlwm ntawm cov hlau thiab alloys, uas yog, tawg cov nplej ntxhib hauv lub xeev casting, kho cov kab nrib pleb, txo lossis tshem tawm qhov tsis xws luag, hloov cov qauv zoo li-cam khwb cia rau hauv cov qauv deformed, thiab txhim kho. kev ua tau zoo ntawm cov alloy.
(3) Kub dov feem ntau siv cov ingots loj thiab txo cov dov loj, uas tsis tsuas yog txhim kho kev tsim khoom, tab sis kuj tsim cov xwm txheej rau kev ua kom nrawm nrawm thiab paub txog qhov txuas ntxiv thiab automation ntawm cov txheej txheem dov.
Disadvantages ntawm kub dov tooj liab sawb:
(1) Tom qab kub dov, cov non-metallic inclusions (tsuas yog sulfides, oxides, thiab silicates) nyob rau hauv cov hlau yog nias rau hauv nyias nyias, ua rau delamination (sandwiching). Delamination zoo heev deteriorates tensile zog ntawm cov hlau raws li thickness kev taw qhia thiab tej zaum yuav ua rau interlaminar tearing raws li cov weld shrinks. Cov kab mob hauv zos uas raug cuam tshuam los ntawm weld shrinkage feem ntau nce mus txog ob peb zaug ntawm cov ntsiab lus tawm los, uas yog ntau dua li cov kab mob tshwm sim los ntawm kev thauj khoom.
(2) Cov kev ntxhov siab uas tshwm sim los ntawm qhov txias tsis sib xws. Residual stress yog qhov kev ntxhov siab nyob rau hauv nws tus kheej sib npaug thaum tsis muaj zog sab nraud. Kub-kuav los tiag steel seem ntawm ntau seem muaj xws li residual stress. Feem ntau, qhov loj dua qhov loj ntawm ntu ntu ntawm ntu steel, qhov ntau dua qhov kev ntxhov siab seem. Txawm hais tias residual kev ntxhov siab yog qhov sib npaug ntawm tus kheej, nws tseem muaj qee yam cuam tshuam rau kev ua haujlwm ntawm cov hlau nyob rau hauv qhov kev txiav txim ntawm sab nraud rog. Piv txwv li, nws yuav muaj kev cuam tshuam tsis zoo rau deformation, stability, qaug zog, thiab lwm yam.
(3) Kub dov tsis tuaj yeem tswj cov khoom siv kho tshuab uas yuav tsum tau ua kom raug, thiab cov qauv thiab cov khoom ntawm cov khoom kub dov tsis tuaj yeem sib xws. Nws lub zog Performance index yog qis dua txias ua hauj lwm hardened khoom, tab sis siab tshaj tag nrho annealed khoom; nws cov plasticity Performance index yog siab dua li cov khoom ua haujlwm txias, tab sis qis dua cov khoom uas muaj annealed tag nrho.
(4) Lub thickness thiab qhov loj ntawm cov khoom kub dov yog qhov nyuaj rau kev tswj, thiab kev tswj qhov tseeb yog qhov tsis zoo; Qhov saum npoo ntawm cov khoom kub dov yog rougher dua li cov khoom txias dov, thiab Ra tus nqi feem ntau yog 0.5 mus rau 1.5 μm. Yog li ntawd, cov khoom kub dov feem ntau yog siv los ua qhov khoob rau kev ua haujlwm txias.
Kev daws rau cov teeb meem tshwm sim nrog tooj liab strips:
1. Tshuaj rau discoloration ntawm tooj liab strips
(1) Tswj cov concentration ntawm acid thaum pickling. Nyob rau hauv cov ntaub ntawv ntawm ntxuav tawm cov oxide txheej ntawm qhov chaw ntawm lub annealed tooj liab sawb, ib tug siab acid concentration tsis muaj kev nkag siab. Ntawm qhov tsis sib xws, yog tias cov concentration siab dhau lawm, cov kua qaub seem uas txuas rau saum npoo ntawm cov tooj liab tsis yooj yim los ntxuav, thiab nws ua kom cov pa phem ntawm cov dej ntxuav, ua rau cov concentration ntawm cov kua qaub nyob hauv cov dej ntxuav. siab dhau heev lawm, ua rau cov kab hlau ntxuav tau zoo dua tuaj yeem hloov xim. Yog li ntawd, thaum txiav txim siab qhov concentration ntawm cov tshuaj pickling, yuav tsum tau ua raws li cov hauv qab no: nyob rau hauv lub hauv paus ntsiab lus hais tias cov oxide txheej nyob rau saum npoo ntawm tooj liab sawb yuav tsum tau ntxuav, lub concentration yuav tsum tau txo kom ntau li ntau tau.
(2) Tswj cov conductivity ntawm cov dej ntshiab. Tswj cov dej ntshiab, uas yog, tswj cov ntsiab lus ntawm cov khoom tsis zoo xws li chloride ions hauv dej ntshiab. Feem ntau, nws muaj kev ruaj ntseg los tswj cov conductivity qis dua 50μS / cm.
(3) Tswj cov conductivity ntawm cov dej kub ntxuav thiab passivation tus neeg sawv cev. Qhov nce hauv conductivity ntawm dej kub ntxuav thiab passivation tus neeg sawv cev tsuas yog los ntawm cov residual acid coj los ntawm khiav tooj liab sawb. Yog li ntawd, thaum ua kom ntseeg tau qhov zoo ntawm cov dej ntshiab rau kev ntxuav, tswj cov conductivity txhais tau tias tswj cov kua qaub seem. Raws li ntau qhov kev sim, nws muaj kev nyab xeeb los tswj cov dej kub ntxuav thiab tus neeg sawv cev passivation hauv qab 200 μS / cm feem.
(4) Xyuas kom cov sawb tooj liab qhuav. Ib feem muab lub qhov hluav taws xob coiling ntawm lub tshuab cua cushion rauv, thiab siv lub tshuab dehumidifier thiab cua txias hauv ib feem ntawm cov khoom siv los tswj cov av noo thiab qhov kub thiab txias thaum lub sij hawm tooj liab coiling nyob rau hauv ib qho chaw.
(5) Siv tus neeg sawv cev passivation kom passivate. Feem ntau cov nroj tsuag ua tooj liab tam sim no siv benzotriazole, los yog BTA (molecular mis: C6H5N3) ua tus neeg sawv cev passivating. Kev xyaum tau ua pov thawj tias nws yog ib qho yooj yim rau kev siv, kev lag luam thiab siv tau tus neeg sawv cev passivation. Thaum cov tooj liab hla dhau los ntawm BTA cov tshuaj, cov oxide zaj duab xis ntawm qhov chaw tau dhau los ua cov tshuaj tiv thaiv complexing nrog BTA los ua ib qho nyuaj, uas tiv thaiv cov tooj liab matrix.
2. Kev daws rau tooj liab strip shear indentation
Txhawm rau tiv thaiv shear blade indentation, qhov tsim nyog sab nraud qhov sib txawv ntawm cov riam ncig thiab cov roj hmab tev nplhaib yuav tsum raug xaiv raws li cov thickness, softness thiab hardness ntawm cov sawb; lub hardness ntawm cov roj hmab tev nplhaib ua tau raws li qhov yuav tsum tau siv ntawm kev txiav sawb; thaum txiav Thaum qhov dav ntawm lub sawb me me, lub thickness ntawm lub voj voog riam yuav tsum raug xaiv kom tsim nyog los ua kom qhov dav ntawm cov roj hmab tev nplhaib.
