Kusondeze kwi-plasma arc welding

Intshayelelo

I-Plasma arc welding ibhekisa kwindlela yokudibanisa i-welding esebenzisa i-high-energy-density plasma arc beam njengomthombo wokushisa we-welding. I-Plasma arc welding ineempawu zamandla agxininisiweyo, imveliso ephezulu, isantya esikhawulezayo se-welding, uxinzelelo oluphantsi kunye nokuguqulwa, i-arc ezinzileyo, kwaye ifanelekile ukuwelda iipleyiti ezincinci kunye nezixhobo zebhokisi. Ilungele ngokukodwa ukuwelda i-refractory eyahlukeneyo, i-oxidized ngokulula, kunye nezixhobo zetsimbi ezingeva lubushushu (ezifana ne-tungsten, i-molybdenum, ubhedu, i-nickel, i-titanium, njl.).

Irhasi ifudunyezwa yi-arc kwaye iyahlukana. Xa idlula kwi-nozzle epholile ngamanzi ngesantya esiphezulu, iyaxinzelelwa, ikhulise amandla obuninzi kunye ne-dissociation degree ukwenza i-plasma arc. Ukuzinza kwayo, ukuveliswa kobushushu, kunye nobushushu buphezulu kunezo ze-arcs eziqhelekileyo, ngoko ke inokungena okukhulu kunye nesantya se-welding. Igesi eyenza i-plasma arc kunye negesi ekhuselayo ejikelezayo ngokuqhelekileyo isebenzisa i-argon ecocekileyo. Ngokwezinto eziphathekayo zezinto ezahlukeneyo zokusebenza, i-helium, i-nitrogen, i-argon, okanye umxube wezo zimbini zisetyenziswa.

Umgaqo

I-Plasma arc cutting yinkqubo yokusika esetyenziswa ngokuqhelekileyo kwintsimbi kunye nezinto ezingezizo zetsimbi. Isebenzisa i-high-speed, high-temperature kunye ne-high-energy plasma airflow ukufudumeza kunye nokunyibilika kwezinto eziza kunqunyulwa, kwaye isebenzisa i-airflow yangaphakathi okanye yangaphandle yesantya esiphezulu okanye ukuhamba kwamanzi ukutyhala izinto ezityhidiweyo kude kube umqadi wokuhamba komoya weplasma ungene ngaphakathi. umva ukwenza ikhefu.

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Iimbonakalo

1. I-Micro-beam plasma arc welding inokuwelda ifoyile kunye neepleyiti ezincinci.

2. Inomphumo we-pinhole kwaye unokufezekisa i-welding enye kunye ne-double-sided free forming.

3. I-plasma arc inobuninzi bobuninzi bamandla, ubushushu bekholomu ye-arc ephezulu, kunye nokukwazi ukungena okunamandla. Inokufikelela kwi-10-12mm yentsimbi eshinyeneyo ngaphandle kwe-beveling. Inokuthi idibanise macala omabini ngexesha elinye, ngesantya esikhawulezayo se-welding, imveliso ephezulu, kunye ne-deformation encinci yoxinzelelo.

4. Isixhobo sinobunzima, kunye nokusetyenziswa kwegesi ephezulu, iimfuno ezingqongqo kwi-gap phakathi kwendibano kunye nokucoceka kwe-workpiece, kwaye ifanelekile kuphela kwi-welding yangaphakathi.

Ukunikezwa Amandla

Xa kusetyenziswa ukuwelda kwe-arc ye-plasma, amandla akhoyo ngokuthe ngqo kunye ne-droop asetyenziswa rhoqo. Ngenxa yeempawu ezikhethekileyo zokusebenza ezifunyenwe kwilungiselelo letotshi ekhethekileyo kunye ne-plasma eyahlukileyo kunye nokuhamba kwegesi ekhuselayo, umbane oqhelekileyo we-TIG unokongezwa kwi-console ye-plasma, kunye nenkqubo ye-plasma eyakhiwe ngokukodwa ingasetyenziswa. Akulula ukuzinzisa i-arc ye-plasma xa usebenzisa i-sine wave AC. Xa umgama phakathi kwe-electrode kunye ne-workpiece inde kwaye i-plasma icinezelekile, i-arc ye-plasma kunzima ukusebenza, kwaye kumjikelo wesiqingatha esilungileyo, i-electrode eshushu kakhulu iya kwenza i-conductive tip spherical, eya kuphazamisa ukuzinza kwe-electrode. arc.

Unikezelo lombane oluzinikeleyo lweDC lunokusetyenziswa. Ngokulungelelanisa ibhalansi ye-waveform ukunciphisa ubude be-electrode positive pole, i-electrode ipholile ngokupheleleyo ukuze igcine i-tip ye-conductive shape echanekileyo kwaye yenza i-arc ezinzile.