Kev xaiv ntawm aluminium thiab aluminium alloy welding hlau yog tsuas yog raws li hom ntawm lub hauv paus hlau, thiab cov kev cai rau kev sib koom ua ke tawg kuj, txhua yam khoom thiab corrosion kuj yog comprehensively txiav txim siab. Qee lub sij hawm thaum qee yam khoom dhau los ua qhov tsis sib xws, kev xaiv ntawm vuam hlau yuav tsum tsom rau kev daws qhov tsis sib haum xeeb no, suav nrog lwm yam kev xav tau.
Feem ntau, vuam hlau nrog cov qib zoo ib yam lossis cov qib zoo sib xws li cov niam txiv hlau yog siv rau vuam txhuas thiab aluminium alloys, kom zoo dua corrosion kuj tuaj yeem tau txais; tab sis thaum vuam kub-kho aluminium alloys nrog lub siab nyiam kub tawg, kev xaiv ntawm vuam hlau feem ntau yog los ntawm cov tshuaj Pib nrog tawg tsis kam, cov muaj pes tsawg leeg ntawm vuam hlau yog txawv heev ntawm lub hauv paus hlau.
Kev tsis xws luag (cov teeb meem vuam) thiab kev tiv thaiv kev tiv thaiv
1. Hlawv dhau
ua rau:
a. Tshaj tawm cua sov;
b. Kev ua tsis zoo groove thiab kev sib dhos ntau dhau ntawm kev sib dhos;
c. Qhov kev ncua deb ntawm cov pob qij txha yog loj heev thaum lub sij hawm vuam qhov chaw, uas yuav ua rau ib tug loj npaum li cas ntawm deformation thaum lub vuam txheej txheem.
Kev tiv thaiv:
a. Tsim nyog txo qhov vuam tam sim no thiab arc voltage, thiab ua kom cov vuam ceev;
b. Loj blunt ntug loj txo cov hauv paus hniav;
c. Tsim nyog txo qhov sib nrug ntawm cov pob qij txha thaum lub sijhawm vuam.
2. Stomata
ua rau:
a. Muaj roj, xeb, av, av, thiab lwm yam ntawm lub hauv paus hlau lossis vuam hlau;
b. Cov huab cua ntws hauv qhov chaw vuam yog qhov loj, uas tsis tsim nyog rau kev tiv thaiv roj;
c. Lub vuam arc ntev dhau lawm, uas txo cov nyhuv ntawm kev tiv thaiv roj;
d. Qhov kev ncua deb ntawm lub nozzle thiab lub workpiece yog loj heev, thiab cov roj tiv thaiv cov nyhuv yog txo;
e. Kev xaiv tsis raug ntawm vuam tsis zoo;
f. Lub qhov cua yog tsim nyob rau ntawm qhov chaw uas lub arc rov qab;
g. Lub purity ntawm cov roj tiv thaiv yog tsawg, thiab cov roj tiv thaiv cov nyhuv tsis zoo;
h. Lub ambient cua humidity yog siab.
Kev tiv thaiv:
a. Ua tib zoo ntxuav cov roj, av, xeb, nplai thiab oxide zaj duab xis rau ntawm qhov chaw vuam hlau thiab vuam ua ntej vuam, thiab siv vuam hlau nrog cov ntsiab lus deoxidizer ntau dua;
b. Tsim nyog xaiv qhov chaw vuam;
c. Tsim nyog txo qhov ntev arc;
d. Khaws ib qho kev ncua deb ntawm lub nozzle thiab vuam;
e. Sim xaiv ib lub thickness welding hlau, thiab ua kom lub blunt ntug thickness ntawm lub workpiece zawj. Ntawm qhov tod tes, nws tuaj yeem tso cai siv cov dej ntws loj. Ntawm qhov tod tes, nws tseem tuaj yeem txo qhov kev faib ua feem ntawm vuam hlau nyob rau hauv cov hlau welding, uas muaj txiaj ntsig zoo los txo cov porosity yog pov thawj;
f. Sim tsis txhob rov ua dua arc ntaus ntawm tib txoj haujlwm. Thaum rov ua dua arc tawm tsam yog xav tau, lub arc ntaus taw tes yuav tsum tau polished los yog khawb tawm; ib zaug ib tug weld seam muaj arc ntaus, sim weld kom ntev li ntev tau, thiab tsis txhob rhuav lub arc ntawm lub siab kom txo cov pob qij txha. Yuav tsum muaj qhov sib tshooj ntawm qhov sib txuas ntawm qhov sib txuas;
g. Hloov cov roj tiv thaiv;
h. Tshawb xyuas qhov loj ntawm airflow;
i. Preheating puag hlau;
j. Tshawb xyuas seb puas muaj cua nkag thiab puas rau lub trachea;
k. Weld thaum huab cua noo tsawg, lossis siv lub tshuab cua sov.
3. Lub arc tsis ruaj khov
ua rau:
Kev sib txuas hluav taws xob, av, lossis cua.
Kev tiv thaiv:
a. Xyuas tag nrho cov khoom siv hluav taws xob thiab ua kom lub ntsej muag huv si;
b. Tshem tawm cov av los ntawm kev sib koom ua ke;
c. Sim tsis txhob welding nyob rau hauv qhov chaw uas yuav ua rau airflow cuam tshuam.
4. Weld tsim tsis zoo
ua rau:
a. Kev xaiv tsis raug ntawm vuam specifications;
b. Lub kaum sab xis ntawm vuam teeb tsis raug;
c. Welders tsis txawj ua haujlwm;
d. Lub aperture ntawm qhov kev sib cuag yog loj heev;
e. Vuam hlau, vuam qhov chaw thiab tiv thaiv roj muaj cov dej noo.
Kev tiv thaiv:
a. Rov qab debugging xaiv qhov tsim nyog vuam specification;
b. Khaws lub kaum sab xis kom tsim nyog ntawm lub vuam teeb;
c. Xaiv qhov tsim nyog hu xovtooj aperture;
d. Ua tib zoo ntxuav cov vuam hlau thiab vuam ua ntej vuam kom ntseeg tau cov roj purity.
5. Kev nkag tsis tiav
ua rau:
a. Qhov vuam ceev yog ceev heev thiab lub arc ntev dhau lawm;
b. Kev ua tsis zoo groove thiab cov khoom siv me me dhau lawm;
c. Lub vuam specification me me dhau;
d. Lub vuam tam sim no tsis ruaj khov.
Kev tiv thaiv:
a. Tsim nyog qeeb qhov vuam ceev thiab txo qhov arc;
b. Tsim nyog txo qhov blunt ntug los yog nce lub hauv paus sib txawv;
c. Ua kom cov vuam tam sim no thiab qhov hluav taws xob arc kom ntseeg tau tias muaj cua sov txaus rau lub hauv paus hlau;
d. Ntxiv cov khoom siv hluav taws xob ruaj khov
e. Nyias welding hlau pab ua kom qhov tob tob, thiab tuab welding hlau tsub kom tus nqi deposition, yog li nws yuav tsum tau xaiv raws li qhov tsim nyog.
6. Tsis fused
ua rau:
a. Cov oxide zaj duab xis lossis xeb ntawm qhov vuam tsis huv;
b. Input tshav kub tsis txaus.
Kev tiv thaiv:
a. Ntxuav qhov chaw yuav tsum tau welded ua ntej welding
b. Ua kom cov vuam tam sim no thiab arc voltage, thiab txo qhov vuam ceev;
c. U-shaped pob qij txha yog siv rau cov phaj tuab, tab sis V-shaped pob qij txha feem ntau tsis siv.
7. Ncua tseg
ua rau:
a. Cov qauv tsim yog tsis tsim nyog, thiab cov welds tseem muaj zog heev, ua rau muaj kev ntxhov siab ntau dhau ntawm cov pob qij txha welded;
b. Lub pas dej molten loj dhau, overheated, thiab cov ntsiab lus alloying raug hlawv;
c. Lub arc crater ntawm qhov kawg ntawm qhov vuam yog txias sai;
d. Lub vuam hlau muaj pes tsawg leeg tsis phim lub hauv paus hlau;
e. Qhov sib sib zog nqus-rau-dav ntawm qhov vuam yog loj heev.
Kev tiv thaiv:
a. Tsim cov qauv vuam kom raug, npaj cov welds tsim nyog, ua kom cov welds tsis txhob muaj kev ntxhov siab ntau npaum li qhov ua tau, thiab xaiv qhov sib txuas vuam kom tsim nyog;
b. Txo cov vuam tam sim no lossis nce qhov vuam ceev kom tsim nyog;
c. Kev ua haujlwm ntawm arc crater yuav tsum raug, ntxiv ib qho arc ntaus phaj lossis siv cov cuab yeej attenuation tam sim no los sau cov arc crater;
d. Kev xaiv raug ntawm vuam hlau.
Xinfa vuam tau zoo heev thiab muaj zog durability, kom paub meej, thov mus saib:https://www.xinfatools.com/welding-cutting/
8. Slag suav nrog
ua rau:
a. Kev tu tsis tiav ua ntej vuam;
b. Cov vuam tam sim no ntau dhau ua rau qhov kev sib cuag ntawm ib nrab yaj thiab sib tov rau hauv lub pas dej ua ke los tsim cov slag inclusions;
c. Qhov vuam ceev yog ceev heev.
Kev tiv thaiv:
a. Ua kom muaj zog ua haujlwm tu ua ntej vuam. Thaum lub sij hawm ntau dhau welding, weld seam tu yuav tsum tau ua tom qab txhua qhov vuam dhau;
b. Nyob rau hauv cov ntaub ntawv ntawm kev ruaj ntseg nkag mus, txo qhov vuam tam sim no kom tsim nyog, thiab tsis txhob nias qhov kev sib cuag cov lus qhia tsawg heev thaum welding nrog high tam sim no;
c. Ua kom zoo txo qhov vuam ceev, siv vuam hlau nrog ntau dua deoxidizer cov ntsiab lus, thiab ua kom cov arc voltage.
9. Txom nyem
ua rau:
a. Lub vuam tam sim no loj dhau thiab qhov vuam voltage siab dhau lawm;
b. Qhov vuam ceev yog ceev heev thiab cov xaim xaim me me dhau lawm;
c. Lub teeb swings unevenly.
Kev tiv thaiv:
a. Kho qhov vuam tam sim no thiab arc voltage;
b. Tsim nyog nce cov hlau pub ceev los yog txo qhov vuam ceev;
c. Ua txhua yam kom viav vias lub teeb sib npaug.
10. Weld muaj kuab paug
ua rau:
a. Kev tiv thaiv roj tsis raug;
b. Lub vuam hlau tsis huv;
c. Cov khoom siv hauv paus tsis huv.
Kev tiv thaiv:
a. Tshawb xyuas seb lub tshuab xa hluav taws xob puas xau, seb puas muaj cov cua ntsawj ntshab, seb cov roj nozzle puas xoob, thiab seb cov roj tiv thaiv puas siv raug;
b. Seb cov khoom siv vuam yog khaws cia kom raug;
c. Tshem cov roj thiab roj ua ntej siv lwm txoj kev tu tshuab;
d. Tshem tawm cov oxide ua ntej siv cov txhuam hniav stainless.
11. Kev noj zaub mov tsis zoo
ua rau:
A. Cov lus qhia txog kev sib cuag thiab cov vuam hlau yog ignited;
b. Vuam hlau hnav;
c. Txau arc;
d. Cov hlau pub hose ntev dhau los yog nruj heev;
e. Cov hlau pub lub log yog tsis tsim nyog lossis hnav;
f. Muaj ntau burrs, khawb, plua plav thiab av nyob rau saum npoo ntawm cov khoom siv vuam.
Kev tiv thaiv:
a. Txo qhov nro ntawm cov hlau pub rau cov menyuam thiab siv qhov pib qeeb;
b. Tshawb xyuas qhov chaw sib cuag ntawm tag nrho cov vuam hlau thiab txo cov hlau-rau-hlau sib cuag;
c. Tshawb xyuas qhov xwm txheej ntawm qhov kev sib cuag thiab lub xaim pub lub hose, thiab xyuas qhov xwm txheej ntawm cov hlau pub lub log;
d. Tshawb xyuas seb lub cheeb ntawm qhov kev sib cuag sib tw;
e. Siv cov ntaub ntawv hnav-tiv taus kom tsis txhob hlais thaum lub sij hawm pub mis;
f. Tshawb xyuas qhov hnav ntawm cov hlau reel;
g. Xaiv qhov tsim nyog loj, cov duab thiab qhov chaw ntawm lub xaim pub log;
h. Xaiv cov khoom siv vuam nrog qhov zoo ntawm qhov zoo.
12. Tsis zoo arc pib
ua rau:
a. Cov av tsis zoo;
b. Qhov luaj li cas ntawm qhov kev sib cuag tsis yog lawm;
c. Tsis muaj roj tiv thaiv.
Kev tiv thaiv:
a. Xyuas seb txhua yam hauv av puas zoo, thiab siv qeeb pib lossis kub arc pib los pab txhawb kev pib arc;
b. Tshawb xyuas seb qhov chaw sab hauv ntawm qhov kev tiv thaiv yog thaiv los ntawm cov khoom siv hlau;
c. Siv cov roj ua ntej ntxuav;
d. Hloov cov welding tsis.
Post lub sij hawm: Jun-21-2023
