Ekwenziweni kwezimboni zanamuhla, umshini wokushisela indawo usuyimpahla ebalulekile yokujoyina izinhlelo zokusebenza zensimbi. Ama-Electrodes, njengezingxenye ezibalulekile enqubweni yokushisela, athinta ngqo ikhwalithi ye-weld, impilo ende yemishini, nokusebenza kahle kokukhiqiza. Lo mhlahlandlela uhlola izinto ezivamile ze-electrodeumshini wokushisela indawoizinhlelo zokusebenza, ukuhlaziya izici zabo zokusebenza kanye nezimo zokusebenza ezifanele.
1. Kungani Izinto Ze-Electrode Zibalulekile
Ku-resistance spot welding, i-electrode ingaphezu kakhulu kwe-conductor elula - inquma ngokuqondile ikhwalithi yokushisela, ukungaguquguquki, ubude besikhathi semishini, imvamisa yokulungiswa, kanye nokukhiqiza kukonke. Ukukhetha impahla efanele kukusiza:
- Khulisa ukuhanjiswa kukagesi kanye ne-thermal ukuze ukwakheka kwe-weld okuzinzile
- Thuthukisa ubulukhuni, ukumelana nokugqoka, kanye{0}}nokusebenza okungahambisani nokuthambisa
- Yehlisa imvamisa yokushintsha kanye nesikhathi sokuphumula somshini
- Qinisekisa ama-weld nuggets angaguquki ekukhiqizeni{0}}ivolumu ephezulu
Ngakho-ke, ukukhetha impahla ye-electrode efanele ukufanisa ucezu lwakho lokusebenza, imingcele yokushisela, nendawo yokukhiqiza kubalulekile ekulawuleni izindleko kanye nokuzuza imiphumela ethembekile yokushisela.
2. Izinto Ezivamile Ze-Electrode Nezimpawu Zazo
Ngezansi ukubuka konke kwezinto zama-electrode ezisetshenziswa kakhulu namuhla - ukusuka{1}}ku-conductivity yethusi ephezulu ukuya kuma-alloys e-tungsten ephezulu{2}}okuqina:
{{0}Ukuziphatha Okuphezulu,{1}}Okungashisi{2}}Ama-Electrode Ethusi Alaphekayo
Ithusi Elimsulwa (T2 / TU1)
Izinzuzo:I-conductivity ephezulu kakhulu (≈100% IACS) kanye ne-thermal conductivity enhle kakhulu. Ilungele izinto ezidinga ukudluliswa okuphezulu kukagesi/okushisayo, njengocingo lwethusi oluncane, izinsimbi eziboshiwe, noma izinto ezithambile ezifana ne-aluminium.
Ububi:Ubulukhuni obuphansi kakhulu; ikhubaza kalula ngaphansi kwengcindezi. Ayilungele{1}imvamisa ephezulu noma{2}}ivolumu ephezulu yokushisela.
I-Chromium Copper (CuCr / RWMA Class 2)
Izinzuzo:Ukuhamba kahle kukagesi (80–90% IACS) enobulukhuni obuphakeme kakhulu (HRB 80–90) kunethusi elimsulwa. Ifanele{5}}ukuqina kwamapuleti e-copper, i-galvanized steel, ne-carbon steel.
Ukusetshenziswa Okuvamile:Izingxenye zezimoto, amashidi ensimbi, ishidi elivamile-lokushisela insimbi.
Isifinyezo:
Ikhopha ehlanzekile=ehamba phambili, ukuqina okuphansi
I-Chromium copper=ibhalansi enhle-yemisebenzi eminingi yokushisela emaphakathi
Ukushisa-Ama-Copper Alloys Elaphekayo (I-Balanced Conductivity & Hardness)
I-CuCrZr (Copper–Chromium–Zirconium Alloy / RWMA Class 2)
- Ubulukhuni ngemva kokwelashwa kokushisa:Kukhulu noma kulingana no-80 HRB
- I-electrical conductivity:74–85% IACS
- Kwaziwa ngokusebenza okuhle kakhulu-okuthambisa ukuthambisa, ukuqina kokushisa, nokungagugi.
- Izinga lemboni lokukhiqiza izimoto, imigqa ye-automation, nokukhiqizwa okuqhubekayo.
I-Dispersion-Ithusi Eliqinisiwe (DSC / GlidCop / Cupal)
- Ukuqina okushisayo okuphakeme ngaphansi kwemijikelezo yokushisisa ephindaphindiwe
- Ukulahlekelwa ubulukhuni obuncane ngemva-kokusetshenziswa isikhathi eside
- Ikhethekile{0}ekugcineni,{1}okuphezulu{1}}okushisela indawo yomjikelezo ekukhiqizeni kwemboni
Isifinyezo:
Ama-alloys e-CuCrZr kanye ne-DSC anikeza ibhalansi engcono kakhulu iyonke yokuqhuba, ukuqina, neminyaka yokuphila - elungele ukukhiqizwa ngobuningi.
Ukuqina Okuphezulu / Izinga Lokushisa Eziphezulu / Okusindayo-Ama-Alloys Omsebenzi
I-Copper-Tungsten (CuW70 / CuW80)
- Ihlanganisa ubulukhuni be-tungsten nendawo encibilikayo ne-copper conductivity
- I-Conductivity: 40–60% IACS
- Ukumelana okuhle kakhulu nokushisa okuphezulu, i-spatter, nokuguguleka kwe-arc
- Ilungele:
Insimbi engagqwali
Insimbi-ephakeme kakhulu
Amapuleti aminyene
Ukushisela{0}okuphezulu kwamanje
Amaphutha:Izindleko eziphakeme, kunzima kakhulu umshini, ukuqhutshwa kwe-conductivity ephansi.
Amanye ama-Hard Alloys (Ni–Cu, Ni–Si–Cu, Co–Be–Cu, njll.)
Kusetshenziswa lapho ukumelana nokugqoka okwedlulele noma amandla acindezelayo aphezulu adingeka, nakuba ukuqhutshwa kwe-conductivity kuvame ukuba ngaphansi.
Isifinyezo:
Okwezinto eziphakeme{{0}zamanje, eziwugqinsi, noma{1}}izinsimbi eziqine kakhulu → khetha i-CuW noma{2}}ama-alloys ethusi aphezulu.
3. Indlela Yokukhetha Okubalulekile Kwe-Electrode
Kufanele ukhethe i-electrode ngokusekelwe ezintweni zokusebenza + imingcele yokushisela + isidingo sokukhiqiza + izindleko.
| Ukuhlola Factor | Okufanele Ukucabangele |
| Uhlobo Lokusebenza | Izinsimbi ze-conductivity eziphezulu (Cu, Al) → ama-electrode e-conductivity aphezulu-; Aphezulu-ama-alloy anamandla → aqinile, ama-electrode angashisi{2}} |
| Amapharamitha we-Welding | Okuphezulu kwamanje nokushisisa → izinto eziqinile, eziqinile, ezilwa-zokuthambisa |
| Umthamo Wokukhiqiza | Okuzenzakalelayo kanye{0}}nemijikelezo yefrequency ephezulu → ama-alloys empilo amade-(CuCrZr / DSC / CuW) |
| Ukusebenza Kwezindleko | Izinto-eziphezulu zehlisa isikhathi sokuphumula kanye nezindleko zizonke naphezu kwenani eliphezulu lokuthenga |
Ayikho i-electrode ehamba phambili yendawo yonke - kuphela efanelana kahle kakhulu nohlelo lwakho lokushisela.
4. Izinto Ezikhethekile Zokusebenza
Ngezinga eliphezulu-lokushisa,{1}}izinto eziphezulu ze-thermal conductivity, umshini wokushisela amabala usebenza kahle kakhulu ngezinto ezenziwe ngempushana:
I-Tungsten-Ama-Copper Alloys (CuW70/CuW80)
- Okuqukethwe kwe-Tungsten: Kukhulu noma kulingana no-70%
- Iphuzu elincibilikayo: Lidlula i-1000 degree
- I-Conductivity: 40-60% IACS (ihlobene ngokuphambene nokuqukethwe kwe-tungsten)
- Izicelo: Insimbi engagqwali esindayo, i-aluminium alloy welding
- Ukumelana nokuguguleka kwe-arc okuhle kakhulu kokufuna imisebenzi yomshini wokushisela indawo
Isiliva-Ama-Tungsten Alloys
- Ukumelana okuphezulu kwe-oxidation kanye ne-conductivity
- Ubulukhuni obumaphakathi nokumelana nokushisa
- Izinhlelo zokusebenza: Ukushisela okunembayo noma{0}}izimo zengozi ephezulu ye-oxidation
- Ilungele ukushisela ithebhu yebhethri ngomshini wokushisela indawo
5.Iyiphi Impahla Okufanele Uyikhethe?
- Ithusi elizacile / izinsimbi ezithambile / i-welding-yamanje ephansi → Ithusi Elihlanzekile / I-Chromium Copper
- Insimbi / i-carbon steel / insimbi engagqwali / ukukhiqizwa kwenqwaba evamile → I-CuCrZr noma i-DSC Copper
- Izinto eziwugqinsi / insimbi engagqwali /{0}}ama-alloy aphezulu /{1}}i-current welding → I-Copper-Tungsten (CuW)
Ngokufanisa izinto ze-electrode nohlobo lwe-workpiece, izimo zokushisela, nevolumu yokukhiqiza, ungathuthukisa kakhulu ukusebenza kwe-weld kuyilapho wehlisa{0}}izindleko zokukhiqiza zesikhathi eside.
Isiphetho
Ukukhetha i-Electrode yakhoumshini wokushisela indawokudinga ukucatshangelwa okuphelele kwezidingo zokushisela, izici ezibonakalayo, nemingcele yenqubo. Kusuka{1}}kukusebenza okuphezulu kwekhopha elihlanzekile ukuya ekushiseni{2}}okungazweli kwe-tungsten{3}}ama-alloys ekhopha, into ngayinye ihlinzeka ngezinzuzo ezihlukile zezinhlelo ezithile zokusebenza ezihlanganisa{4}}i-wall welding encane,{5}}ukucutshungulwa kwesigaba esisindayo, kanye nezimo ezinembile.
Ngokufanisa impahla yesayensi, ukulungiswa kwepharamitha okunembayo, kanye nezimiso zokulungisa ezihlelekile, abakhiqizi bangathuthukisa kakhulu kokubili ikhwalithi yokushisela nokusebenza kahle kokukhiqiza.
Ukukhetha okulungile kwama-electrode kuqinisekisa ukuthi umshini wakho wokushisela indawo uletha ukusebenza okungaguquki, okuthembekile kuzo zonke izinhlelo zokusebenza zezimboni.
