Dab tsi yog welding tube?
** Taw qhia
Vuam yog txheej txheem tseem ceeb hauv ntau yam kev lag luam, suav nrog kev tsim kho, tsim khoom, thiab tsheb. Nws koom nrog ob lossis ntau qhov hlau los ntawm melting thiab fusing lawv ua ke. Ib qho ntawm cov cuab yeej siv dav siv hauv vuam yog lub vuam raj. Hauv tsab xov xwm no, peb yuav tshawb xyuas kom meej tias lub raj vuam yog dab tsi, nws hom, kev siv, thiab qhov tseem ceeb ntawm kev siv nws kom raug hauv cov txheej txheem vuam.
Lub vuam raj yog dab tsi?
Lub vuam raj, tseem hu ua welding yeeb nkab lossis vuam conduit, yog ib lub raj hlau cylindrical tshwj xeeb tsim los siv rau hauv cov txheej txheem vuam. Nws ua raws li kev tiv thaiv ib puag ncig ntawm vuam hlau lossis electrode, tsim kom muaj kev tswj hwm ib puag ncig rau qhov vuam. Lub vuam raj feem ntau yog tsim los ntawm cov khoom siv xws li steel, aluminium, lossis tooj liab, nyob ntawm seb qhov kev thov tshwj xeeb.
Hom vuam raj
Muaj ntau ntau hom vuam raj muaj, txhua tus tsim los ua kom haum rau cov txheej txheem vuam sib txawv thiab cov kev xav tau. Qee hom kev siv feem ntau suav nrog:
1. Gas Metal Arc Vuam (GMAW) hlab: Cov hlab no yog tsim los siv nrog cov txheej txheem GMAW, los yog MIG/MAG vuam. GMAW cov raj feem ntau yog tsim los ntawm tooj liab thiab muab cov khoom siv hluav taws xob zoo thiab cov khoom siv thermal, ua kom cov txheej txheem vuam du thiab zoo.
2. Gas Tungsten Arc Welding (GTAW) raj: GTAW tubes, los yog TIG vuam raj, yog siv rau hauv cov txheej txheem TIG vuam. Lawv feem ntau yog tsim los ntawm cov ntaub ntawv zoo xws li tungsten lossis thoriated tungsten kom tiv taus qhov kub thiab txias thiab muab kev ua tau zoo.
3. Flux-Cored Arc Welding (FCAW) raj: FCAW tubes yog tsim tshwj xeeb rau cov txheej txheem FCAW, uas yog siv cov tubular electrode txuas ntxiv nrog cov tub ntxhais flux. Cov raj no feem ntau yog tsim los ntawm cov hlau tsis tshua muaj carbon steel thiab muab kev tiv thaiv zoo tiv thaiv cov pa phem thaum lub sijhawm vuam.
4. Submerged Arc Vuam (SAW) raj: SAW raj yog siv nyob rau hauv cov txheej txheem SAW, qhov chaw arc yog submerged nyob rau hauv ib txheej ntawm granular flux. Cov raj no feem ntau yog tsim los ntawm cov hlau me me thiab paub txog lawv cov kev tso nyiaj siab thiab muaj peev xwm nkag mus tob.
Daim ntawv thov ntawm vuam raj
Vuam raj pom ntau yam kev siv hauv ntau yam kev lag luam. Qee qhov kev siv cov welding raj muaj xws li:
1. Kev tsim kho: Vuam raj yog siv dav hauv kev tsim kho kev lag luam rau kev ua haujlwm xws li koom nrog cov kab teeb pom kev zoo, tsim cov qauv hlau, thiab tsim cov pob qij txha ruaj khov hauv cov qauv hlau.
2. Kev tsim khoom: Cov kav hlau vuam ua lub luag haujlwm tseem ceeb hauv kev tsim khoom rau kev tsim khoom ntawm ntau yam hlau xws li tsheb, khoom siv, tshuab, thiab cuab yeej. Lawv xyuas kom muaj zog thiab ruaj khov welds, qhov tseem ceeb rau kev tswj cov khoom ncaj ncees.
3. Pipeline kev lag luam: Vuam raj yog qhov tseem ceeb hauv kev tsim kho thiab tu cov kav dej, ob qho tib si rau kev thauj cov kua thiab roj. Lawv pab txhawb kev sib koom ua ke ntawm cov kav dej, kom ntseeg tau tias kev thauj mus los tsis muaj thiab txhim khu kev qha.
4. Shipbuilding: Vuam raj yog dav siv nyob rau hauv kev lag luam shipbuilding rau kev koom tes hlau phaj thiab tsim lub hulls ntawm lub nkoj. Kev siv cov vuam raj ua kom muaj kev ncaj ncees thiab ruaj khov nyob rau hauv ib puag ncig marine.
5. Automotive kev lag luam: Vuam raj yog feem ntau siv nyob rau hauv tsheb tsim rau cov hauj lwm xws li chassis los ua ke, lub cev vuam, thiab pa system fabrication. Lawv pab txhawb rau tag nrho lub zog thiab kev nyab xeeb ntawm tsheb.
Qhov tseem ceeb ntawm kev siv vuam cov raj kom raug
Kev siv cov hlua vuam kom raug yog qhov tseem ceeb tshaj plaws los xyuas kom meej qhov ua tau zoo ntawm vuam thiab tswj kev nyab xeeb ntawm cov vuam. Nov yog qee qhov laj thawj vim li cas siv cov vuam vuam kom raug yog qhov tseem ceeb:
1. Kev tiv thaiv: Cov hlua vuam muab kev tiv thaiv ib puag ncig ntawm vuam hlau lossis electrode, tiv thaiv cov kab mob sab nraud los cuam tshuam cov txheej txheem vuam. Qhov kev tiv thaiv no ua kom muaj kev tsim cov welds zoo nrog qhov tsis xws luag.
2. Kev tswj cov cua sov thiab arc: Cov hlua vuam pab tswj cov cua sov thiab arc thaum lub sij hawm vuam. Lawv pab tsim kom muaj kev tswj hwm ib puag ncig ntawm qhov vuam, tiv thaiv kom tsis txhob muaj cua sov ntau dhau thiab ua kom muaj qhov ruaj khov, ua rau muaj kev sib raug zoo thiab txhim khu kev qha welds.
3. Hluav taws xob conductivity: Qee hom vuam raj, xws li GMAW raj, muaj cov khoom siv hluav taws xob zoo heev. Qhov kev siv hluav taws xob no tso cai rau kev hloov pauv hluav taws xob zoo rau lub vuam hlau lossis electrode, ua rau kev txhim kho weld zoo thiab txo qis spatter.
4. Kev ua haujlwm ntev thiab kev ua haujlwm ntev: Kev siv cov vuam vuam ua los ntawm cov ntaub ntawv tsim nyog yuav ua rau cov kav ntev thiab ntev ntawm cov welds. Qhov kev xaiv zoo ntawm cov khoom siv vuam vuam ua kom muaj kev sib raug zoo nrog lub hauv paus hlau thiab muab kev tiv thaiv siab rau corrosion, oxidation, thiab lwm yam kev hnav thiab tsim kua muag.
5. Kev nyab xeeb: Cov hlua vuam ua raws li kev ntsuas kev nyab xeeb los ntawm kev tiv thaiv cov pa phem, sparks, thiab splatters kom ncav cuag ib puag ncig ib puag ncig. Lawv pab tswj tau qhov chaw kaw rau cov txheej txheem vuam, txo qhov kev pheej hmoo ntawm kev raug mob thiab raug mob rau cov vuam thiab cov neeg ua haujlwm nyob ze.
Xaus
Hauv kev xaus, lub vuam raj yog lub cylindrical hlau raj tsim los muab kev tiv thaiv, kev tswj hwm, thiab kev ua tau zoo dua thaum lub sijhawm vuam. Nrog nws ntau hom thiab kev siv, lub vuam raj ua lub luag haujlwm tseem ceeb hauv kev lag luam xws li kev tsim kho, tsim khoom, thiab tsheb. Kev nkag siab txog qhov tseem ceeb ntawm kev siv cov vuam vuam kom raug tuaj yeem txhim kho cov txiaj ntsig vuam zoo, ua kom muaj kev nyab xeeb ntawm vuam, thiab pab txhawb rau tag nrho cov khoom zoo thiab ua haujlwm ntev ntawm cov khoom siv vuam thiab cov khoom.