INTSHAYELELO
Kukho iintlobo ngeentlobo zee-electrode ezisetyenziswa kwinkqubo yokuwelda i-arc yesinyithi ekhuselweyo, (i-SMAW). Injongo yesi sikhokelo kukunceda ekuchongeni nasekukhetheni ezi electrode.
UKUCHAZWA KWE-ELECTRODE
Ii-electrode ze-arc welding zichongwa kusetyenziswa inkqubo yokubala ye-AWS, (i-American Welding Society) kwaye zenziwe ngobukhulu ukusuka kwi-1/16 ukuya kwi-5/16. Umzekelo ingaba yintonga ye-welding echongwe njenge-electrode ye-1/8" E6011.
I-electrode inobubanzi obuyi-1/8" ububanzi.
Igama elithi "E" limele i-electrode yokuwelda ye-arc.
Okulandelayo kuya kuba yinombolo enamanani ama-4 okanye ama-5 egximfizwe kwi-electrode. Amanani amabini okuqala enani enamanani ama-4 kunye namanani amathathu okuqala enani enamanani ama-5 abonisa amandla amancinci okutsalwa (ngamawaka eepawundi nge-square intshi) ye-weld eza kuveliswa yintonga, uxinzelelo luncitshisiwe. Imizekelo ingale ilandelayo:
I-E60xx ibiya kuba namandla okutsalwa angama-60,000 psi, i-E110XX ibiya kuba yi-110,000 psi.
Inombolo elandelayo ukusuka kweyokugqibela ibonisa indawo apho i-electrode ingasetyenziswa khona.
1.EXX1X isetyenziselwa zonke iindawo
2.EXX2X isetyenziselwa kwiindawo ezithe tyaba nezithe tye
3.EXX3X yenzelwe ukuwelda okuthe tyaba
Amanani amabini okugqibela kunye, abonisa uhlobo lwengubo kwi-electrode kunye nomsinga wokuwelda i-electrode engasetyenziswa ngawo. Ezifana ne-DC straight, (DC -) DC reverse (DC+) okanye i-AC
Andizukuchaza uhlobo lweengubo zee-electrode ezahlukeneyo, kodwa ndiza kunika imizekelo yohlobo lwamandla oluza kusebenza ngalo.
I-electrode kunye ne-currents ezisetyenzisiweyo
● I-electrode ye-EXX10 DC+ (i-DC reverse okanye i-DCRP) ilungile.
● I-electrode ye-EXX11 AC okanye ye-DC- (DC ethe tye okanye ye-DCSP) enegative.
● EXX12 AC okanye DC-
● EXX13 AC, DC- okanye DC+
● EXX14 AC, DC- okanye DC+
● EXX15 DC+
● EXX16 AC okanye DC+
● EXX18 AC, DC- okanye DC+
● EXX20 AC ,DC- okanye DC+
● EXX24 AC, DC- okanye DC+
● EXX27 AC, DC- okanye DC+
● EXX28 AC okanye DC+
IINDIDI EZIKHOYO
I-SMAW yenziwa kusetyenziswa i-AC okanye i-DCcurrent. Ekubeni i-DC current ihamba kwicala elinye, i-DC current inokuba yi-DC straight, (i-electrode negative) okanye i-DC reversed (i-electrode positive). Xa i-DC reversed, (DC+ OKANYE i-DCRP) ukungena kwe-weld kuya kuba nzulu. I-DC straight (DC- OKANYE i-DCSP) i-weld iya kuba nesantya sokunyibilika ngokukhawuleza kunye nesantya sokudiphotha. I-weld iya kuba nokungena okuphakathi.
Umsinga we-AC utshintsha i-polarity yawo izihlandlo ezili-120 ngomzuzwana ngokwawo kwaye awunakutshintshwa njengalo msinga we-DC.
UBUKHULU BEE-ELECTRODE NEE-AMPS EZISETYENZISIWEYO
Oku kulandelayo kuza kusebenza njengesikhokelo esisisiseko soluhlu lwee-amp olunokusetyenziswa kwii-electrode zobukhulu obahlukeneyo. Qaphela ukuba olu luhlu lunokwahluka phakathi kwee-electrode ezahlukeneyo ezenziwe ngentonga yobukhulu obufanayo. Kwakhona uhlobo lokugquma kwi-electrode lunokuchaphazela uluhlu lwee-amperage. Xa kunokwenzeka, jonga ulwazi lomenzi we-electrode oza kuyisebenzisa kwizicwangciso zabo ze-amperage ezicetyiswayo.
Itheyibhile ye-Electrode
| Ububanzi be-electrode (UBUQINI) | Uluhlu lwe-AMP | IPLAYITI |
| 1/16" | 20 - 40 | UKUYA KUYA KWI-3/16" |
| 3/32" | 40 - 125 | UKUYA KUYA KWI 1/4" |
| 1/8 | 75 - 185 | NGAPHEZU KWE 1/8" |
| 5/32" | 105 - 250 | NGAPHEZU KWE 1/4" |
| 3/16" | 140 - 305 | NGAPHEZU KWE-3/8" |
| 1/4" | 210 - 430 | NGAPHEZU KWE-3/8" |
| 5/16" | 275 - 450 | NGAPHEZU KWE 1/2" |
Qaphela! Okukhona izinto eziza kudityaniswa zijiyile, kokukhona umsinga wombane ufuneka uphezulu kwaye kokukhona i-electrode ifuneka ibe nkulu.
Ezinye iintlobo ze-electrode
Eli candelo liza kuchaza ngokufutshane ii-electrode ezine ezisetyenziswa rhoqo ekulungiseni nasekulungiseni ukuwelda kwentsimbi ethambileyo. Kukho ezinye ii-electrode ezininzi ezikhoyo zokuwelda ezinye iintlobo zesinyithi. Buza kumthengisi wakho wezinto zokuwelda wasekuhlaleni malunga ne-electrode ekufuneka isetyenziswe kwisinyithi ofuna ukusiwelda.
E6010Le electrode isetyenziselwa zonke iindawo zokuwelda kusetyenziswa i-DCRP. Ivelisa i-weld enzulu engena ngaphakathi kwaye isebenza kakuhle kwiintsimbi ezingcolileyo, ezigqwalileyo, okanye ezipeyintiweyo.
E6011Le electrode ineempawu ezifanayo neze-E6010, kodwa ingasetyenziswa kwi-AC kunye ne-DC currents.
E6013Le electrode ingasetyenziswa nge-AC kunye ne-DC currents. Ivelisa i-medium penetration weld enembonakalo ye-weld bead engcono.
E7018Le electrode yaziwa ngokuba yi-electrode ene-hydrogen ephantsi kwaye ingasetyenziswa nge-AC okanye i-DC. Ukwaleka kwi-electrode kunomlinganiselo omncinci wokufuma okunciphisa ukungena kwe-hydrogen kwi-weld. Le electrode inokuvelisa ii-welds zomgangatho we-x-ray ezinokungena okuphakathi. (Qaphela, le electrode kufuneka igcinwe yomile. Ukuba imanzi, kufuneka yomiswe kwi-oven yentonga ngaphambi kokuba isetyenziswe.)
Kuthenjwa ukuba olu lwazi lusisiseko luya kunceda umthungi omtsha okanye osebenza evenkileni yasekhaya ukuba achonge iintlobo ezahlukeneyo zee-electrode aze akhethe efanelekileyo kwiiprojekthi zakhe zokuthungela.
Ixesha lokuthumela: Disemba-23-2022