Views: 0 Mutsari: Muhleri wa sayiti Ku kandziyisa nkarhi: 2021-12-27 Masungulo: Ndhawu
1. Ku lunghiselela ku nga si welda .
Ku lulamisiwa ka pre-welding ka titanium alloy welding i swa nkoka swinene, ngopfu ngopfu ku katsa na:
(1) Ku basisiwa ka swilo emahlweni ka ku welda .
Loko unga se welda, vuandlalo bya titanium alloy endzeni ka 50mm ya matlhelo hamambirhi ya strip byi lava ku pholishiwa kufikela loko ku vonakala ka nsimbi ka nchumu hi woxe ku paluxiwa. Endzhaku ko pholisha, sula ncila wa strip hi lapi ro basa ro basa ra silika na acetone ku susa hi ku helela filimi ya oxide, mafurha, mati, ntshuri na thyaka rin’wana eka ndzhawu yo welda. Kambe eka milayeni ya vuhumelerisi leyi nga na mpimo wa le henhla wa otomatiki, endlelo leri a ri tirhi. Hikokwalaho, xitirhisiwa xo susa moya xinga nghenisiwa loko kungase endliwa xiphemu xa welding.
(2) Switirhisiwa swo lulamisa swihoxo .
Loko unga se welda, kambela ntshikelelo wa silindara yin’wana na yin’wana ya gasi hi vukheta ku tiyisisa leswaku ntshikelelo wa gasi yin’wana na yin’wana wu enerile. Lulamisa no kambela Muchini wo Welda wa Tiphayiphi ta Xiothomethi . ku tiyisisa leswaku mphakelo wa gezi na wire feeder swi tirha kahle. Hi nkarhi wa ku lulamisiwa na ku kamberiwa, torch yo welda hi xitalo yinga vekiwa eka ku leha hinkwako ka welding seam kutiyisisa leswaku switirhisiwa switirha kahle naswona welding torch na welding seam swile ka kuringanela lokunene. Switsundzuxiwa ku nghenisa xitirhisiwa xo landzelerisa weld lexi voniwaka eka ndzhawu yo tirhela eka yona ya welding gun, leyi nga langutaka kahle ku ringanisiwa ka weld. Endzhaku ka loko offset yi humelerile, weld track yi lulamisiwa hi yoxe.
(3) Switirhisiwa swo welda .
Loko u tirhisa plasma arc welding (PAW), gasi ya ion, gasi yo sirhelela nozzle, xifunengeto xa nseketelo na gasi yo sirhelela ya le ndzhaku yi tirhisa argon yo basa ya giredi yo sungula (≥99.99%);
Ku tirhisiwa ka laser welding (LW) ku tirhisiwa, gasi yo pfurha ya le tlhelo i pure helium (≥99.99%), naswona drag hood na gas ya nsirhelelo wa le ndzhaku i argon yo basa ya giredi yo sungula (≥99.99%);
2 . Ndlela yo welda .
(1) Ku welda ka plasma arc .
Eka ti titanium plates letingana vukulu byale xikarhi ka 2.5 na 15mm, loko groove yiri na xivumbeko xa I, ndlela leyintsongo ya hole yinga tirhisiwa ku welda hi nkarhi wun’we. Ku tiyisisa ku tiya ka khumbi lerintsongo, vukulu bya groove leyi taleke hi gasi endzhaku i 30mm×30mm. PAW yina ti parameters totala ta maendlelo. Loko ku tirhisiwa ndlela ya hole leyintsongo, ngopfu ngopfu yi katsa nozzle diameter, welding current, ion gas flow, welding speed, shielding gas flow, na swin’wana.
(2) Ku welda hi laser .
Tipharamitha letikulu ta phurosese ya ku welda hi laser ti katsa matimba ya laser, rivilo ra ku welda, nhlayo yo susa focus, mpimo wa ku khuluka ka gasi leyi pfurhaka etlhelo na mpimo wa ku khuluka ka gasi yo sirhelela. Hikokwalaho ka rivilo rale henhla swinene ra laser welding, hi xitalo aswi koteki ku lulamisa ti parameters ta maendlelo hinkarhi wa maendlelo ya welding. Hikokwalaho, swa laveka ku kumisisa nhlanganelo wa kahle swinene wa ti parameters hiku tirhisa ti pre-tests loko kungase endliwa formal welding, naswona mahiselo ya interlayer hinkarhi wa welding aya hundzi 100°C. Hi nkarhi lowu, recipe ya standard production process yina nkoka swinene. Hangao Tech (Seko Machinery) Titanium Alloy ya le henhla . Muchini wo endla tiphayiphi ta layini ya vuhumelerisi bya tiphayiphi ta nsimbi wu tirha hi sisiteme ya vutlhari ya PLC, wu nga rhekhoda no hlayisa datha hinkwayo ya vukorhokeri hi nkarhi wa xiviri.
(3) Ku welda ka laser-mig loku hlanganisiweke .
Loko ku amukeriwa LW-MIG hybrid welding, kuna swihlovo swimbirhi swa kuhisa, laser na arc, naswona xihlovo xin’wana na xin’wana xo hisa xina ti parameters totala ta maendlelo leti faneleke ku lulamisiwa. Hikokwalaho, ku ringeta ko tala ka laveka ku endla laser na arc swi fambelana hi ku twanana. Xiyimo xa relative xa laser na arc swifanele ku lulamisiwa hindlela leyi faneleke hi nkarhi wa welding.
3. Ku kamberiwa endzhaku ka ku welda .
Endzhaku kaloko welding yihetisiwile, xivumbeko xa weld xa kamberiwa naswona ku endliwa swikambelo leswinga onhiki. Hi nkarhi lowu, xitirhisiwa xo kuma xihoxo xa eddy current xinga engeteriwa. Loko weld yi kumeka yi nga ri kahle kumbe yi pfulekile, xitirhisiwa lexi xi ta rhurhumela ni alamu. Muhlovo wa xivumbeko xa titanium alloy wunga kombisa mpimo wa ku thyakisa ka weld. Hi ntolovelo, silivhere yo basa yi vula nsirhelelo lowunene ngopfu, naswona kwalomu ka ku nga vi na ku thyakisa ka gasi loku nga ni khombo; Ti welds totshuka totshuka na to tshwuka ta nsuku tina mbuyelo wutsongo eka swivumbeko swa michini; Mihlovo yin’wana yofana na blue na grey ayi na khwalithi ya kahle naswona ayi amukeleki. Loko ntsena nsirhelelo eka ndzhawu ya mahiselo yale henhla wuringanerile, xivumbeko xa weld endzhaku ka ku welda kahle kahle i xa silivhere kumbe golden yellow. Kambe tani hileswi xifunengeto xa drag xinga khomiwaka hiku hetiseka eka xiphemu xosungula xa arc, mbuyelo wa nsirhelelo eka ndzhawu yosungula ya arc wu bihe nyana. Ehansi ka swiyimo swa ntolovelo, ku humelela ka weld endzhaku ka endlelo ra muchini wo welda swivumbiwile kahle, naswona akuri na swihoxo swofana na ku pandzeka, ku pfumaleka ka fusion, ti pores, weld bumps, na swin’wana.