Ukukhetha iGesi yokuWelda eyiyo: Isitshixo soMgangatho oGqibeleleyo wokuWelda kunye nokusebenza okuZinzileyo

— Impembelelo yeegesi ezahlukeneyo kuMgangatho wokuWelda kunye nokuzinza kwezixhobo

Kwiinkqubo zokuwelda,Ukukhethwa kwegesi yokukhusela kuchaphazela ngokuthe ngqo umgangatho we-weld, uzinzo lwe-welding, kunye nobomi benkonzo yezixhoboIngakumbi kwi-laser welding kunye nokuchaneka okuphezulu

usetyenziso lokuwelda, ukukhethwa ngokufanelekileyo kwegesi yokukhusela yinto ebalulekileyo ekuqinisekiseni ukusebenza kakuhle kokuwelda kunye nokuthembeka kwenkqubo.

Eli nqaku libonelela ngesishwankathelo esicwangcisiweyo sezinto ezisetyenziswa rhoqoi-laser ye-soldadoraiigesi kunye neemeko zokusetyenziswa kwazo.

Imisebenzi yokuqala ephambili yeegesi zokuWelding

Ngexesha lokuwelda, ubushushu bendawo yokuwelda bunyuka ngokukhawuleza ngexesha elifutshane kakhulu. Isinyithi singena kwimeko yokunyibilika okanye yokunyibilika kancinci kwaye sinokusabela ngokulula ngeoksijini kunye ne-nitrogen emoyeni.

Imisebenzi ephambili yokukhusela iigesi iquka:

Ukwahlula indawo yokuwelda emoyeni ukuthintela i-oxidation kunye nokutshintsha kombala

Ukuzinzisa ichibi elinyibilikisiweyo kunye nokuphucula ukuhambelana kokwakheka kwe-weld

Ukunciphisa ukubola, ukuchitheka, kunye nezinye iziphene zokuwelda

Ukuphucula inkangeleko yokuwelda kunye nomgangatho wemveliso iyonke

Ukukhusela iitotshi zokuwelda, ii-nozzles, kunye nezinto ezibonakalayo, ngaloo ndlela kwandisa ubomi benkonzo yezixhobo

IIntlobo zesibini eziqhelekileyo zeegesi zokuWelda kunye neempawu zazo

I-nitrogen (N₂)

I-nitrogen yigesi yokukhusela esetyenziswa rhoqo kwaye ingabizi kakhulu, ifanelekile ngakumbi ekudibaniseni intsimbi engagqwaliyo. Ngenxa yexabiso layo eliphantsi, i-nitrogen inika ukusebenza okuhle kakhulu kwiindawo ezininzi.

izicelo zokuwelda.

Iimpawu eziphambili:

Ukusebenza okuzinzileyo kokukhusela ngeendawo zokuwelda ezicocekileyo nezigudileyo

Inceda ekufumaneni inkangeleko entle yokuwelda

Ukusebenza kakuhle kweendleko eziphezulu, kufanelekile kwimveliso eqhubekayo

Izicelo ezicetyiswayo:

Ukuwelda ngentsimbi engagqwaliyo (kucetyiswa kakhulu)

Ukuwelda ishiti elincinci

Izicelo ezineemfuno eziphezulu zenkangeleko yokuwelda kunye nokungaguquguquki

Kwi-stainless steel welding, i-nitrogen iyacetyiswa kakhulu kuba inika iziphumo zokuwelda ezizinzileyo nezingcono kakhulu.

I-Argon (Ar)

I-Argon yigesi engasebenziyo eneempawu zeekhemikhali ezizinzileyo kwaye yenye yeegesi zokukhusela ezisetyenziswa kakhulu kwizicelo zokuwelda.

Iimpawu eziphambili:

Ayisebenzi ngokweekhemikhali kwaye akunakwenzeka ukuba isabela kwiintsimbi

Ukusebenza kokukhusela okuzinzileyo kunye nokwakheka okuhle kwe-weld

Ifanelekile kwiintlobo ngeentlobo zezixhobo

Izicelo ezicetyiswayo:

Ukuwelda ngentsimbi yekhabhoni

Ukuwelda ngentsimbi engenasici

Ii-alloys ze-aluminium kunye nezinye izinyithi ezingezizo ezentsimbi

IHelium (Yena)

I-Helium inomoya ohamba kakuhle kakhulu wokushisa kunye namandla aphezulu e-ionization, nangona ibiza kakhulu.

Iimpawu eziphambili:

Yonyusa ubunzulu bokungena kwe-weld

Iphucula uzinzo lokuwelda

Isebenza ngokukodwa kwizixhobo ezibonisa ukukhanya okuphezulu

Izicelo ezicetyiswayo:

Ukuwelda i-aluminium kunye ne-aluminium alloy

Ukuwelda i-alloy ye-copper kunye ne-copper

Izicelo ezifuna ukungena okukhulu kwe-weld

IZINTO EZINTATHU EZIPHAMBILIYO EZIKHETHEKILEYO EZIKHETHWAYO NGOKWENZA IGESI YOKUWE

Kwizicelo ezisebenzayo, ukhetho lwegesi yokuwelda kufuneka lusekelwe kuvavanyo olupheleleyo lwezi zinto zilandelayo:

1. Uhlobo lwezinto zokuwelda

2.Ubukhulu beWorkpiece kunye nenkqubo yokuwelda

3. Iimfuno zenkangeleko ye-weld kunye namandla oomatshini

4. Ukusebenza kakuhle kwemveliso kunye nolawulo lweendleko

5. Uhlobo lwezixhobo kunye nokuhambelana kwegesi

Kuphela xa ukhetho lwegesi yokukhusela luhambelana ngokufanelekileyo nemigangatho yokwelda apho iingenelo ezipheleleyo zokusebenza komatshini wokwelda zinokufezekiswa.

Iigesi zesine azikhuthazwa ukuba zisetyenziswe

Iigesi ezixutyiweyo

Nangona iigesi ezixutyiweyo zinokubonelela ngeenzuzo ezithile kwiinkqubo ezithile zokuwelda zesiqhelo, azikhuthazwa kwizicelo zokuwelda ngokuchanekileyo okanye ukuwelda nge-laser ngenxa yezi zinto zilandelayo:

izizathu:

Ulwakhiwo lwegesi olungazinzanga

Umngcipheko owandileyo we-weld oxidation kunye nokutshintsha kombala ngokungalinganiyo

Ubunzima ekugcineni umgangatho wokuwelda uhambelana

Iigesi ezixutyiweyo azikhuthazwa xa kusenziwa i-laser welding okanye xa kusenziwa i-welding esemgangathweni ophezulu.

I-Carbon Dioxide (CO₂)

I-carbon dioxide yigesi esebenzayo enokubola ngokulula phantsi kweemeko zokuwelda ezishushu kakhulu.

Imiba ephambili:

Umngcipheko ophezulu we-weld oxidation

Inkangeleko ye-weld emnyama kunye nokwakheka okubi

Ukwanda kokuchitheka kwamanzi kunye namazinga aphezulu eziphene

Ukuguguleka okukhawulezileyo kweetotshi zokuwelda kunye nezinto ezibonakalayo

I-CO₂ ayikhuthazwa ngokupheleleyo xa kusenziwa i-stainless steel welding okanye i-laser welding.

Isiphelo

Nangona igesi yokukhusela ayisiyonto iphambili kwi-umatshini wokuwelda wefayibha nge-laser, yiparameter ebalulekileyo yenkqubo emisela ngokuthe ngqo umgangatho wokuwelda kunye nozinzo lwenkqubo.

usetyenziso, igesi yokukhusela kufuneka ikhethwe ngokwesayensi ngokwezinto zokuwelda, iimfuno zenkqubo, kunye nemigangatho yomgangatho.

Kwi-stainless steel welding, i-nitrogen iyacetyiswa kakhulu, ngelixa iigesi ezixutyiweyo kunye ne-carbon dioxide kufuneka ziphetshwe ukuqinisekisa umgangatho we-welding, ukhuseleko lwezixhobo, kunye nozinzo lwexesha elide.

ukusebenza.

Ukukhetha igesi ngokufanelekileyo kubalulekile ukuze kusetyenziswe ngokupheleleyo iingenelo zokusebenzaizixhobo zokuwelda nge-laserkunye nokuphucula ukusebenza kakuhle kwemveliso iyonke kunye nomgangatho wemveliso.