Ts'ebetsong e 'ngoe le e' ngoe ea ho tjheseletsa, ntlha ea elektrode ke karolo ea bohlokoa moo matla ohle a tjheseletsa a fanoang. Ha nako e ntse e ea, mocheso o phahameng, khatello, le phetiso ea lintho tse bonahalang li etsa hore ntlha ea electrode e holofale, e koalehe, kapa e silafale. Tlhahisong ea sejoale-joale-haholo-holo ka kamohelo e atileng eamochini tjheseletsa letheba{{0}boemo ba electrode bo ba bohlokoa le ho feta.
Ho apara kamehla ka li-electrode ke e 'ngoe ea litsela tse bonolo empa tse sebetsang ka ho fetisisa tsa ho boloka boleng bo tsitsitseng ba weld le ho fokotsa litšenyehelo tsa tlhahiso.
Liphello tsa Electrode Wear
Ha ntlha ea elektrode e senyehile, e fosahetse, kapa e sa lekana, ho hlaha lintlha tse 'maloa:
- Kabo ea hona joale e sa lekanang
- Keketseho ea ho fafatsa le ho chesa bokaholimo
- Li-weld nuggets tse fokolang kapa tse sa tsitsang
- Ho senyeha ha li-electrode ka potlako
- Litefiso tse holimo tsa tlhahiso le ho fokotsa kotulo ea pele{0}ea ho feta
Lifeme tse ngata tse sebelisang MFDC tjheseletsa tsamaiso ea letheba, ho tlola tlhokomelo ea eleketrode hangata ho lebisa boleng bo sa tsitsang ba weld. Baetsi ba bang ba tlaleha ho theoha ha 20% ea sekhahla sa phallo ea sehlahisoa ha moaparo oa elektrode o hlokomolohuoa.
Mabaka a Mararo a Sehlooho a Etsang Hore U Apare Kamehla
Boloka Bophahamo ba Bokaholimo bakeng sa Phallo e Tsitsitseng ea Hona Joale
Mohala oa elektrode o tsofetseng kapa oa sekoti o etsa hore ho hanyetsa ha motlakase ho fapane lintlheng tse fapaneng. Sena se lebisa tlhokomelo ea hona joale libakeng tse phahameng, ho fella ka ho futhumala ho feteletseng, spatter, kapa sebopeho se sa lekaneng sa nugget.
Ho apara kamehla ho tsosolosa sebaka sa ho kopana se boreleli, se lekanang, ho netefatsa hore esita le phallo ea hona joale le boleng bo tsitsitseng ba weld.
Eketsa Bophelo ba Electrode le ho Fokotsa Maqhubu a Phetoho
Ho apara ka mokhoa o tloaelehileng ho tlosa feela sebaka se senyehileng sa holim'a metsi, ho thibela ho apara ho feteletseng.
Lintlha tsa indasteri li bontša hore ka tlhokomelo e nepahetseng, bahlahisi ba sebelisang li-welders tsa MFDC ba ka lelefatsa bophelo ba electrode kaho fihla ho 30%, ho fokotsa nako le litšenyehelo tsa ho fetola.
Ntlafatsa Boleng ba Weld Nugget le ho Fokotsa Spatter
Electrode e apereng hantle e fana ka khatello e tsitsitseng ea ho kopana le boima ba hona joale.
Sena se hlahisa:
- Hloekisa libaka tsa weld
- Uniform weld nuggets
- Spatter e nyane
- Boemo bo phahameng ba sehlahisoa
Li-welders tsa MFDC li na le matla a ho laola ka nepo, empa li fihlella ts'ebetso ea tsona e felletseng ha eleketrode e bolokiloe maemong a nepahetseng.
Mekhoa e Molemo ka ho Fetisisa ea Moaparo oa Electrode
E khothalelitsoeng Mekhoa
- Sebelisa lisebelisoa tsa profeshenale tsa ho roala li-electrode bakeng sa liphetho tse nepahetseng le tse lekanang
- Sandpaper e ntle (400-600 grit) e ka sebelisoa bakeng sa ho roala matsoho ka tšohanyetso
- Tlosa li-oxide tsa holim'a metsi, likoting le lintho tse khomaretsoeng ka mor'a ho apara
E kgothaletswang Electrode Tip Dimensions
Ka mor'a ho roala, bophara ba sefahleho sa elektrode hangata bo lokela ho ba makhetlo a 3-5 ho feta botenya ba thepa e cheselitsoeng.
Karolelano ena e tsejoa hohle e le ntlha ea bohlokoa bakeng sa ho fumana litšepe tse tsitsitseng,{0} tsa boleng bo holimo.
Litaelo tse Sebetsang bakeng sa Basebelisi ba MFDC Spot Welding
- Theha kemiso e tloaelehileng ea ho roala li-electrode
- Hlahloba boemo ba li-electrode tse ling le tse ling tse 50-100
- Rekota lipotoloho tsa ho apara, nako ea bophelo ea li-electrode, le liphetoho tsa boleng ba weld
- Koetlisa basebetsi ka mekhoa e nepahetseng ea ho apara
- Ela hloko boholo ba li-weld nugget, boemo ba spatter, le matla a weld ka mor'a ho apara
MFDCMochini oa Welding oa Spotli etselitsoe ho sebetsa hantle le ho nepahala. Tlhokomelo e nepahetseng ea li-electrode e nolofalletsa lisebelisoa ho fana ka ts'ebetso e phahameng.
Indasteri{{0}E Thehiloeng ka Boitsebiso le Melemo ea Ts'ebetso
Lintlafatso tse latelang tsa ts'ebetso li tlalehoa hangata ha lifeme li sebelisa leano le ts'oanang la li-electrode-:
| Sesupo sa Tshebetso | Ntlafatso e Tloaelehileng |
| Nako ea bophelo ea elektrode | ↑ 30% |
| Sekhahla sa ho feta ha sehlahisoa | ↑ 15%–25% |
| Ho fokotseha ha spatter | ↓ 40%–60% |
| Phapang ea matla a weld | ↓ 20%–30% |
| Sekhahla sa Scrap & rework | ↓ 10%–20% |
Liphetho tsa 'nete li ipapisitse le bophahamo ba tlhahiso, lisebelisoa le mofuta oa li-electrode, empa melemo e netefalitsoe hohle indastering ea li-welding.
Mekhoa e Molemo ka ho Fetisisa ea Tlhokomelo
- Apara li-electrode tse thehiloeng ho bophahamo ba tlhahiso le mofuta oa thepa
- Sebelisa lisebelisoa tsa ho roala ka mokhoa o nepahetseng tse etselitsoeng li-electrode tsa tjheseletsa
- Sheba symmetry, flatness, le boemo ba bokaholimo ka mor'a seaparo se seng le se seng
- Latela bophelo ba li-electrode 'me u tsamaisane le linako tsa ho apara ka lintlha tsa boleng
- Hlahloba li-parameter tsa welding khafetsa ho tsamaisana le maemo a li-electrode
Qetello
Ho roala ka motlakase ka linako tsohle ke mokhoa o bonolo o bileng o bitsang chelete e ngata{{0}e sebetsang hantle 'me o ntlafatsa haholo boleng ba weld, botsitso ba tšebetso, le ho sebetsa hantle ha tlhahiso. Bakeng sa bahlahisi ba sebelisang MFDCmochini tjheseletsa letheba, ho boloka eleketrode e le maemong a nepahetseng ho bohlokoa ho sebelisa ka botlalo-taolo e nepahetseng ea sesebediswa le ho baballa matla.
Ka ho kenya tšebetsong kemiso e tsitsitseng ea ho apara le ho hlahloba boitsebiso ba boleng, lifeme li ka lelefatsa bophelo ba li-electrode haholo, tsa fokotsa sepakapaka, tsa tsitsisa mokhoa oa ho etsa nugget, le ho fumana phaello e phahameng-ea nako e telele ea moruo.
