ISINGENISO
Kunezinhlobo eziningi ezahlukene zama-electrode asetshenziswa enkambisweni yokushisela insimbi evikelwe, (i-SMAW). Inhloso yalo mhlahlandlela ukusiza ngokuhlonza nokukhetha la ma-electrode.
UKUHLONZA KWE-ELECTRODE
Ama-electrode okushisela e-arc atholakala kusetshenziswa uhlelo lokufaka izinombolo lwe-AWS, (i-American Welding Society) futhi enziwa ngobukhulu kusukela ku-1/16 kuya ku-5/16. Isibonelo kungaba induku yokushisela etholakala njenge-electrode engu-1/8" E6011.
I-electrode ingu-1/8" ububanzi.
I-"E" imele i-electrode yokuwelda ye-arc.
Okulandelayo kuzoba inombolo enamadijithi angu-4 noma angu-5 egxivizwe ku-electrode. Izinombolo zokuqala ezimbili zenombolo enamadijithi angu-4 kanye nezinombolo zokuqala ezintathu zenombolo enamadijithi angu-5 zibonisa amandla amancane okunamathela (ngamakhilogremu ayizinkulungwane nge-intshi yesikwele) ye-weld ezokhiqizwa yinduku, ukucindezeleka kuncishisiwe. Izibonelo zingaba kanje:
I-E60xx ingaba namandla okuthamba angu-60,000 psi I-E110XX ingaba ngu-110,000 psi.
Inombolo elandelayo kuya kweyokugcina ikhombisa indawo i-electrode engasetshenziswa kuyo.
1. I-EXX1X ingasetshenziswa kuzo zonke izikhundla
2. I-EXX2X ingasetshenziswa ezindaweni ezisicaba nezivundlile
3. I-EXX3X yenzelwe ukushisela okuyisicaba
Izinombolo ezimbili zokugcina ndawonye, zibonisa uhlobo lwengubo ku-electrode kanye nomsinga wokushisela i-electrode engasetshenziswa ngawo. Njenge-DC eqondile, (DC -) DC reverse (DC+) noma i-AC
Ngeke ngichaze uhlobo lwezimbozo zama-electrode ahlukahlukene, kodwa ngizonikeza izibonelo zohlobo lwamanje oluzosebenza ngalo.
AMA-ELEKTRODHI NAMA-CURRENT ASEBENZISIWE
● I-electrode ye-EXX10 DC+ (ebuyela emuva noma i-DCRP) enhle.
● I-electrode ye-EXX11 AC noma ye-DC- (DC eqondile noma ye-DCSP) engemihle.
● I-EXX12 AC noma i-DC-
● I-EXX13 AC, i-DC- noma i-DC+
● I-EXX14 AC, i-DC- noma i-DC+
● EXX15 DC+
● I-EXX16 AC noma i-DC+
● I-EXX18 AC, i-DC- noma i-DC+
● I-EXX20 AC ,DC- noma i-DC+
● I-EXX24 AC, i-DC- noma i-DC+
● I-EXX27 AC, i-DC- noma i-DC+
● I-EXX28 AC noma i-DC+
IZINHLOBO ZAMANJE
I-SMAW yenziwa kusetshenziswa i-AC noma i-DCcurrent. Njengoba i-DC current igeleza ohlangothini olulodwa, i-DC current ingaba yi-DC straight, (i-electrode negative) noma i-DC reversed (i-electrode positive). Uma i-DC reversed, (DC+ NOMA i-DCRP) ukungena kwe-weld kuzoba kujule. I-DC straight (DC- NOMA i-DCSP) i-weld izoba nesivinini sokuncibilika kanye nesilinganiso sokufaka. I-weld izoba nokungena okuphakathi.
Ugesi we-AC ushintsha i-polarity yawo izikhathi ezingu-120 ngomzuzwana ngokwawo futhi awunakushintshwa njengoba ugesi we-DC ungashintshwa.
USAYIZI WE-ELECTRODE NAMA-AMP ASEBENZISIWE
Lokhu okulandelayo kuzosebenza njengomhlahlandlela oyisisekelo webanga le-amp elingasetshenziswa kuma-electrode osayizi abahlukene. Qaphela ukuthi lezi zilinganiso zingahluka phakathi kwabakhiqizi be-electrode abahlukahlukene benduku yosayizi ofanayo. Futhi uhlobo lokumboza ku-electrode lungathinta ububanzi be-amperage. Uma kungenzeka, hlola ulwazi lomkhiqizi we-electrode ozoyisebenzisa kuzilungiselelo zabo ze-amperage ezinconyiwe.
Ithebula le-Electrode
| Ububanzi be-electrode (UKUQINA) | Ububanzi be-AMP | IPULETI |
| 1/16" | 20 - 40 | KUFIKA KU-3/16" |
| 3/32" | 40 - 125 | KUFIKA KU-1/4" |
| 1/8 | 75 - 185 | NGAPHEZU kwe-1/8" |
| 5/32" | 105 - 250 | NGAPHEZU kwe-1/4" |
| 3/16" | 140 - 305 | NGAPHEZU KWAMASHUMI AMATHATHU NESITHUPHA |
| 1/4" | 210 - 430 | NGAPHEZU KWAMASHUMI AMATHATHU NESITHUPHA |
| 5/16" | 275 - 450 | NGAPHEZU KWE-1/2" |
Qaphela! Uma izinto ezizoshintshwa zibe zinkulu, kulapho kudingeka khona ugesi omkhulu futhi kulapho kudingeka khona i-electrode ibe nkulu.
Ezinye izinhlobo zama-electrode
Lesi sigaba sizochaza kafushane ama-electrode amane avame ukusetshenziswa ekulungiseni nasekulungiseni ukushisela kwensimbi ethambile. Kunezinye ama-electrode amaningi atholakalayo okushisela ezinye izinhlobo zensimbi. Buza kumthengisi wakho wendawo ohlinzeka ngokushisela i-electrode okufanele isetshenziselwe insimbi ofuna ukuyishisela.
I-E6010Le electrode isetshenziselwa ukushisela zonke izikhundla kusetshenziswa i-DCRP. Ikhiqiza ukushisela okujulile futhi isebenza kahle ezinsimbini ezingcolile, ezigqwalile, noma ezipendiwe.
I-E6011Le electrode inezici ezifanayo ze-E6010, kodwa ingasetshenziswa nge-AC kanye ne-DC currents.
I-E6013Le electrode ingasetshenziswa nge-AC kanye ne-DC currents. Ikhiqiza i-weld engenela phakathi nendawo enokubukeka okuhle kakhulu kwe-weld bead.
E7018Le electrode yaziwa ngokuthi i-electrode ene-hydrogen ephansi futhi ingasetshenziswa ne-AC noma i-DC. Isembozo esiku-electrode sinomswakama ophansi okunciphisa ukufakwa kwe-hydrogen ku-weld. I-electrode ingakhiqiza ama-weld ekhwalithi ye-x-ray ngokungena okuphakathi. (Qaphela, le electrode kumele igcinwe yomile. Uma imanzi, kumele yomiswe kuhhavini wenduku ngaphambi kokusetshenziswa.)
Kuthenjwa ukuthi lolu lwazi oluyisisekelo luzosiza umshiseli omusha noma wasesitolo sasekhaya ukuhlonza izinhlobo ezahlukene zama-electrode bese ekhetha efanele amaphrojekthi akhe okushisela.
Isikhathi sokuthunyelwe: Disemba 23-2022