Ukwaleka kudlala indima ezintsonkothileyo reactions metallurgical kunye nokutshintsha emzimbeni kunye neekhemikhali ngexesha welding inkqubo, ngokusisiseko ukoyisa iingxaki electrode ukukhanya ngexesha ukuwelda, ngoko ke ukutyabeka nayo yenye yezinto eziphambili emisela umgangatho weld metal.
I-Electrode coating: ibhekiselele kumaleko okwambathisa aqatywe ngokufanayo kumphezulu we-welding core ngokudibanisa izinto ezicolekileyo ezineempawu ezahlukeneyo zomzimba kunye neekhemikhali.
Indima ye-electrode coating: ukwenza i-slag eneempawu ezifanelekileyo zomzimba kunye neekhemikhali ezifana nendawo yokunyibilika, i-viscosity, ubuninzi, kunye ne-alkalinity ngexesha lenkqubo ye-welding, ukuqinisekisa ukutsha okuzinzileyo kwe-arc, ukwenza i-droplet metal ibe lula ukuyitshintsha, kwaye ibe ujikeleze indawo ye-arc kunye nedama elityhidiweyo Yenza umoya wokukhusela indawo ye-welding, kwaye ufumane imilo ye-weld efanelekileyo kunye nokusebenza.
Kwakhona kunokwenzeka ukongeza i-deoxidizers, i-alloying elements okanye umlinganiselo othile we-iron powder kwi-coating ukuhlangabezana neemfuno ze-weld metal performance okanye ukuphucula ukusebenza kakuhle kwe-deposition.
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Electrode arc welding umgaqo 1. Ulusu lweziyobisi 2. Solder core 3. Igesi ekhuselayo 4. Arc 5. Melt pool 6. Base material 7. Weld 8. Welding slag 9. Slag 10. Droplets
Iimathiriyeli ekrwada ezahlukeneyo zingohlulwa zibe:
(1) i-arc stabilizer
Umsebenzi oyintloko kukwenza i-electrode ibe lula ukubetha i-arc kwaye igcine i-arc ivutha ngokuzinzileyo ngexesha lenkqubo ye-welding. Izinto ezisetyenziswa njenge-arc stabilizers ikakhulu zizinto eziqulethe inani elithile lezinto ezilula ze-ionized kunye ne-ionization ephantsi, njenge-feldspar, iglasi yamanzi, i-rutile, i-titanium dioxide, i-marble, i-mica, i-ilmenite, i-ilmenite encitshisiweyo, njl.
(2) I-arhente yokuvelisa igesi
Igesi ichithwa phantsi kobushushu obuphezulu be-arc, yenza umoya okhuselayo, ukukhusela i-arc kunye nesinyithi se-pool etyhidiweyo, kunye nokuthintela ukungena kwe-oksijini kunye ne-nitrogen emoyeni ojikelezayo. Ngokuqhelekileyo i-gas-generating agents isetyenziselwa i-carbonates (njenge-marble, i-dolomite, i-magnesite, i-barium carbonate, njl.) kunye nezinto eziphilayo (ezifana nomgubo womthi, isitashi, i-cellulose, i-resin, njl.).
(3) I-Deoxidizer (eyaziwa ngokuba yi-arhente yokunciphisa)
Ngokusebenzisa imichiza ye-metallurgical reaction kwinkqubo ye-welding, umxholo we-oksijini kwi-weld metal iyancitshiswa, kwaye ukusebenza kwentsimbi ye-weld kuphuculwe. Ii-deoxidizers ubukhulu becala ziialloyi zentsimbi kunye nomgubo wazo wesinyithi oqulathe izinto ezinobudlelwane obuphezulu beoksijini. I-deoxidizers esetyenziswa ngokuqhelekileyo ibandakanya i-ferromanganese, i-ferrosilicon, i-ferrotitanium, i-ferroaluminum, kunye ne-silicon-calcium alloys.
(4) Iplastiki
Umsebenzi oyintloko kukuphucula iplastiki, i-elasticity kunye ne-fluidity ye-coating coating in the process of electrode press coating, ukuphucula umgangatho we-electrode coating, kunye nokwenza umphezulu we-electrode coating ngaphandle kokuqhekeka. Ngokuqhelekileyo, izixhobo ezinokwenwebeka okuthile, ukutyibilika okanye iimpawu ezithile zokwandisa emva kokufunxa amanzi zikhethiwe, njengemica, udongwe olumhlophe, i-titanium dioxide, i-talcum powder, iglasi eqinileyo yamanzi, i-cellulose, njl.
(5) i-arhente yomxube
Isetyenziselwa ukuhlawulela ilahleko evuthayo yezinto ezixutywayo ngexesha le-welding kunye nokuguqulwa kwezinto ezixutywayo kwi-weld ukuqinisekisa ukubunjwa kweekhemikhali kunye neempawu zentsimbi ye-weld. Iiferroalloys ezahlukeneyo (ezifana ne-ferromanganese, i-ferrosilicon, i-ferrochrome, intsimbi, i-ferrovanadium, i-ferroboron, i-ferrosilicon enqabileyo, i-ferrosilicon yomhlaba enqabileyo, njl.) ngokweemfuno. yima).
(6) I-arhente ye-slagging
Ngexesha le-welding, inokwenza i-slag eneempawu ezithile zomzimba kunye neekhemikhali, ikhusele amathontsi e-welding kunye nesinyithi se-pool etyhidiweyo, kunye nokuphucula ukubunjwa kwe-weld. Izinto ezisetyenziswayo ezisetyenziswa njenge-slagging agents ziquka i-marble, i-fluorite, i-dolomite, i-magnesia, i-feldspar, i-white Mud, i-mica, i-quartz, i-rutile, i-titanium dioxide, i-ilmenite, njl.
(7) Isidibanisi
Yenza izinto zokugquma ziboshwe ngokuqinileyo kwi-welding core, kwaye wenze i-electrode coating ibe namandla athile emva kokumisa. Ayinayo impembelelo eyingozi kwidama elityhidiweyo kunye nentsimbi ye-weld ngexesha le-metallurgy ye-welding. Izibophelelo ezisetyenziswa ngokuqhelekileyo ziyiglasi yamanzi (i-potassium, i-sodium kunye neglasi yabo yamanzi exutywe), i-phenolic r
Ixesha lokuposa: May-08-2023
