Kwimizi-mveliso yanamhlanje, iumatshini wokuwelda indawoiye yaba sisixhobo esibalulekileyo sokwenziwa kwentsimbi engatyiwayo ngenxa yokusebenza kwayo kakuhle, ukuphinda-phinda, kunye nolawulo oluchanekileyo lobushushu. Nangona kunjalo, iimpawu ezizodwa zensimbi engenastainless{1}indawo yokunyibilika ephezulu, ukuguquguquka okuphezulu kwe-thermal, kunye nokuthambekela okunamandla kwi-oxidize{2}}ifuna ukusebenzisa imathiriyeli ye-electrode echanekileyo ukufikelela kwi-welds ezinzileyo, ephezulu{3}}ekumgangatho ophezulu.
Uphononongo lubonisa ukuba ngaphezulu70% Iziphene ze-welding zensimbi ezingenasici zihambelana ngokuthe ngqo nokukhethwa kwe-electrode engafanelekanga okanye ukugcinwa okungonelanga, okugxininisa indlela ebaluleke ngayo ukhetho lwe-electrode ekusebenzeni kwe-welding.
Esi sikhokelo sichaza indlela izinto ezahlukeneyo ze-electrode ezisebenza ngayo kwintsimbi engenasici, indlela yokudibana nazo kunye nomatshini wakho we-welding, kunye nendlela yokuphucula iiparamitha zakho kunye neendlela zokulondoloza ukunyusa umgangatho we-welding kunye nobomi be-electrode.
Kutheni i-Electrode Material Ibalulekile
Ii-Electrodes zidlala indima eqinisekileyo kwindlela ubushushu kunye nokuhanjiswa kwangoku ngexesha le-welding yendawo. Ukukhetha izinto ezifanelekileyo ze-electrode kuphucula:
- Amandla e-Weld nugget nge-15–40%
- Ukuhambelana kweWelding ukuya kuthi ga kwi-30%
- Ukuncipha kokutshiza ngama-25–60%
- Ubomi be-Electrode ngamaxesha angama-2-5
I-electrode-engqamane kakuhle inika umatshini wakho wokuwelda amandla okuvelisa intsimbi ecocekileyo, eyomeleleyo, nephindaphindwayo, nokuba kukho umngeni wamanqanaba entsimbi engenakutyiwa.
Izinto eziNtathu eziqhelekileyo ze-Electrode zeNtsimbi engagqwali kunye nezicelo zazo ezifanelekileyo
1.
Ii-Electrodes zeCopper eziMgangatho (Ezona zingcono kwintsimbi ecekethekileyo engenastainless)
Ii-electrode zobhedu eziqhelekileyo zisetyenziswa ngokubanzi kwizinto ezisuka kwi0.2–1.0 mmkubunzima.
Iinzuzo eziphambili:
- Ukwenziwa kombane okuphezulu (80–90%)
- Ukutshatyalaliswa kobushushu obugqwesileyo obuthintela ukutsha komphezulu
- Umngcipheko ophantsi wokungeniswa okanye ukuguqulwa kwezinto zokusebenza ezibhityileyo
- Iyafikeleleka kwaye kulula ukuwenza umatshini
Igqibelele:
- Iityhubhu zentsimbi ebhityileyo
- Ikhitshi kunye namacandelo okukhanya
- Umnatha wokucoca kunye neendibano ezincinci ezidityanisiweyo
Phawula:Ubhedu luthambile kwaye luguga ngokukhawuleza, ngoko ke ukugqoka rhoqo kuyafuneka.
2.
I-Chromium Zirconium Copper (CuCrZr): Ingcono kakhulu kwi-304 / 316 kunye nephezulu -yentsimbi yealloyi
Ephezulu-ichromium kunye{1}}nezinyithi zenickel eziphezulu ezifana ne304 kunye nama-316, ukuwelda kuba nzima ngakumbi. I-Chromium zirconium yobhedu inika ukuqina okuphuculweyo.
Iimpawu zokusebenza:
- I-3-5 × ukuphakama okuphezulu kwi-arc erosion ngenxa ye-zirconium
- Iphatha uluhlu lwangoku oluphezulu (300–500 A)
- Umgangatho ophezulu{0}}wobunzima obuphezulu bobushushu
- Ukuxhathisa okuphezulu kwe-oxidation ye-welding eqhubekayo
- I-2-3 × ubomi obude benkonzo xa kuthelekiswa ne-electrode yobhedu eqhelekileyo
Igqibelele:
- 1–3 mm medium{2}}ukutyeba yintsimbi engatyiwayo
- Amalungu esakhiwo aneemfuno zamandla aphezulu
- Iimeko eziqhubekayo zemveliso
3.
I-Tungsten -I-Molybdenum Electrodes: Isisombululo somsebenzi onzima{1} kunye nentsimbi eshinyeneyo
Xa welding steel stainless thicker than5 mm, ukushisa okuphezulu kakhulu kugxininiswe kwindawo ye-welding. I-Tungsten-i-molybdenum electrode iyakwazi ukugcina uzinzo phantsi kweemeko ezinzima ngolo hlobo.
Kutheni zibalulekile kumacandelo ashinyeneyo:
- Indawo yokunyibilika yeTungsten ifikelela3410 idigri, ukuthintela ukuguqulwa kwe-electrode
- I-Molybdenum yongeza ukuxhathisa ukothuka kwe-thermal
- Ukusebenza okuzinzileyo xa kudityaniswa -nobuxhakaxhaka bangoku obuphezulu (1–5 kHz)
- Igqwesileyo yokungena nzulu kunye nezixhobo zokusebenza ezinkulu
Igqibelele:
- Iipleyiti zentsimbi enzima
- Iimveliso ezinkulu
- I-welding yesakhiwo kunye neemfuno eziphezulu zokungena
IParameter Optionation: Ukuhambelana neSetingi eziLungileyo kwi-Electrode nganye
Nokuba ngezona mathiriyeli zibalaseleyo ze-electrode, umgangatho wokuwelda uxhomekeke kakhulu ekubeni umatshini wakho wokuwelda ulungelelaniswe ngokuchanekileyo na.
Uluhlu lweparameter yoshishino olucetyiswayo:
| Isicelo | Uxinzelelo lwe-Electrode | Ixesha le-Welding | Okwangoku | Amanqaku |
|---|---|---|---|---|
| Intsimbi ebhityileyo engenasici (Ngaphantsi okanye ilingana ne-1 mm) | 0.3 MPa | 3–10 ms |
Umgangatho | Kuphephe ukuhlenga kumphezulu |
| Ubukhulu obuphakathi (1–3 mm) | 0.4–0.5 MPa | 10–20 ms |
Yangoku ephezulu | Ukuthintela ubuthathaka okanye amancinci amancinci |
| Amacandelo atyebileyo ( Makhulu kuno okanye alingana no 5 mm) | Inkulu kuno okanye ilingana no 0.5 MPa | 15–30 ms |
Okuphezulu-ukuphindaphinda | Qinisekisa ukungena okwaneleyo |
Izinto ezibalulekileyo zokuLondoloza: Ukwandiswa koBomi be-Electrode kunye nokuzinza kwe-Welding
I-electrode-egcinwe kakuhle ingahlala ukuya kuthi ga kwi-200% ubude kwaye inike ukusebenza kwewelding ezinzileyo.
Imisebenzi yolondolozo engundoqo ibandakanya:
- Hlola ukunxiba kwe-electrode rhoqo; buyisela xa i-diameter yencam iyancipha20%
- Isinxibo (reshape) i-electrodes esekelwe kubukhulu bezinto kunye nejometri
- Gcina ubushushu besipholisi ngaphakathi5-30 idigri
- Thintela ubushushu obugqithisileyo ukuphepha ukuthambisa i-electrode
- Ukuseka amaxwebhu okulandelela ukusebenza kwe-electrode kunye nobomi
Ungayikhetha njani iElectrode eLungileyo ngokukhawuleza
- Intsimbi ebhityileyo engenasici → i-electrode yobhedu eqhelekileyo
- 304 / 316 insimbi engenasici → I-Chromium zirconium yobhedu
- Iipleyiti ezityebileyo / izinto ezinzima → Tungsten{0}}molybdenum
Ukuqinisekisa ukusebenza kakuhle, dibanisa izinto ezifanelekileyo ze-electrode kunye:
- Iirekhodi zeparameter ezihambelanayo
- Iindlela zokukhusela zokulondoloza
- Ulawulo olululo lwenkqubo yokupholisa
- Uqeqesho lomsebenzisi kwindlela yokuziphatha kwe-electrode
Ukuqukumbela
Xa welding steel stainless nge aumatshini wokuwelda indawo, ukhetho lwe-electrode lubaluleke kakhulu njengokucwangciswa komatshini. Ngokukhetha izinto ezichanekileyo ze-electrode, ukulungelelanisa iiparamitha ze-welding ngokwesayensi, kunye nokuphumeza iinkqubo zokugcinwa okucwangcisiweyo, abavelisi banokuphucula kakhulu umgangatho we-welding, ukunciphisa iindleko zokusebenza, kunye nokwandisa ixesha lokuphila kwee-electrodes kunye nezixhobo.
Nokuba uwelda amashiti entsimbi ebhityileyo okanye izinto ezinzima, ukukhetha i-electrode echanekileyo{0}}idityaniswe nezicwangciso ezichanekileyo kunye nezenzo zokuzigcina{1}}ziqinisekisa{2}}ukuthembeka kwexesha elide, imveliso ephezulu, kunye nokusebenza okuphezulu kwewelding kwiindawo ezifuna ukwenziwa.
