Ungayikhetha njani imixube yegesi efanelekileyo kwi-laser welding yakho?
Iintlobo, iiNzuzo, kunye nezicelo
Intshayelelo:
Izinto ezibalulekileyo ekufuneka uzazi ngaphambi kokuba ungene
Ukuwelda nge-laser yindlela yokuwelda echanekileyo kakhulu esebenzisa umqadi we-laser ukunyibilikisa izinto zesixhobo somsebenzi uze wenze i-weld emva kokuba ipholile. Kwi-laser welding, igesi idlala indima ebalulekileyo.
Igesi ekhuselayo ayichaphazeli kuphela ukwakheka komthungo wokuwelda, umgangatho womthungo wokuwelda, ukungena komthungo wokuwelda, kunye nobubanzi bokungena kodwa ikwachaphazela ngokuthe ngqo umgangatho kunye nokusebenza kakuhle kokuwelda nge-laser.
Zeziphi iigesi ezifunekayo ukuze kufakwe i-laser welding?Eli nqaku liza kujonga nzuluukubaluleka kweegesi zokuwelda nge-laser, iigesi ezisetyenzisiweyo, kunye nento eziyenzayo.
Siza kucebisa kwakhonaoomatshini bokuwelda be-laser ababalaseleyongokweemfuno zakho.
Kutheni Kufuneka Igesi Ukuze Kusetyenziswe I-Laser Welding?
Ukuwelda ngeLaser Beam
Ngexesha lenkqubo yokuwelda nge-laser, umqadi we-laser oxineneyo ngamandla aphezulu ugxile kwindawo yokuwelda yesixhobo somsebenzi.
Okubangela ukunyibilika ngoko nangoko kwezinto ezikumphezulu wesixhobo somsebenzi.
Igesi iyadingeka ngexesha lokuwelda nge-laser ukukhusela indawo yokuwelda.
Lawula ubushushu, uphucule umgangatho we-weld, kwaye ukhusele inkqubo ye-optical.
Ukukhetha uhlobo olufanelekileyo lwegesi kunye neeparamitha zokubonelela zizinto ezibalulekileyo ekuqinisekiseni ukusebenza kakuhle.
Kwaye inkqubo yokuwelda nge-laser ezinzileyo kunye nokufumana iziphumo zokuwelda ezikumgangatho ophezulu.
1. Ukhuseleko lweendawo zokuWelda
Ngexesha lenkqubo yokuwelda nge-laser, indawo yokuwelda ivezwa kwimeko-bume yangaphandle kwaye ichaphazeleka lula yioksijini kunye nezinye iigesi emoyeni.
Ioksijini ibangela ukusabela kwe-oxidation okunokubangela umgangatho we-weld ophantsi, kunye nokudalwa kwee-pores kunye ne-inclusions. I-weld ingakhuseleka ngokufanelekileyo ekungcolisweni yioksijini ngokubonelela ngegesi efanelekileyo, ngokuqhelekileyo igesi engasebenziyo efana ne-argon, kwindawo yokuwelda.
2. Ulawulo lobushushu
Ukukhethwa kunye nokunikezelwa kwegesi kunokunceda ukulawula ubushushu bendawo yokuwelda. Ngokulungisa izinga lokuhamba kunye nohlobo lwegesi, izinga lokuphola kwendawo yokuwelda linokuchaphazela. Oku kubalulekile ukulawula indawo echaphazelekileyo bubushushu (HAZ) ngexesha lokuwelda kunye nokunciphisa ukuphazamiseka kobushushu.
3. Umgangatho ophuculweyo we-Weld
Ezinye iigesi ezincedisayo, ezifana neoksijini okanye initrogen, zinokuphucula umgangatho kunye nokusebenza kwee-welds. Umzekelo, ukongeza ioksijini kunokuphucula ukungena kwe-weld kunye nokunyusa isantya sokuwelda, ngelixa kuchaphazela imo kunye nobunzulu be-weld.
4. Ukupholisa igesi
Kwi-laser welding, indawo yokuwelda idla ngokuchaphazeleka ngamaqondo obushushu aphezulu. Ukusebenzisa inkqubo yokupholisa igesi kunokunceda ukulawula amaqondo obushushu kwindawo yokuwelda nokuthintela ubushushu obugqithisileyo. Oku kubalulekile ekunciphiseni uxinzelelo lobushushu kwindawo yokuwelda nokuphucula umgangatho wokuwelda.
Ukuwelda kweLaser Beam okuzenzakalelayo
5. Ukukhuselwa kweGesi kwiiNkqubo zoKubona
Umqadi welaser ugxile kwindawo yokuwelda ngenkqubo ye-optical.
Ngexesha lenkqubo yokunyibilikisa, izinto ezinyibilikisiweyo kunye nee-aerosols eziveliswayo zinokungcolisa izinto ezibonakalayo.
Ngokufaka iigesi kwindawo yokuwelda, umngcipheko wongcoliseko uyancitshiswa kwaye ubomi benkqubo ye-optical buyandiswa.
Zeziphi iigesi ezisetyenziswa kwi-laser welding?
Kwi-laser welding, igesi inokwahlukanisa umoya kwipleyiti yokuwelda kwaye ithintele ukuba ingasabelani nomoya. Ngale ndlela, umphezulu wokuwelda wepleyiti yesinyithi uya kuba mhlophe kwaye ube mhle ngakumbi. Ukusebenzisa igesi kukwakhusela iilensi kuthuli lokuwelda. Ngokwesiqhelo, kusetyenziswa ezi gesi zilandelayo:
1. Igesi ekhuselayo:
Iigesi zokukhusela, ngamanye amaxesha ezibizwa ngokuba “ziigesi ezingasebenziyo,” zidlala indima ebalulekileyo kwinkqubo yokuwelda nge-laser. Iinkqubo zokuwelda nge-laser zihlala zisebenzisa iigesi ezingasebenziyo ukukhusela ichibi lokuwelda. Iigesi zokukhusela ezisetyenziswa rhoqo ekuwelda nge-laser ziquka i-argon kunye ne-neon. Iipropati zazo zomzimba nezekhemikhali zahlukile, ngoko ke iziphumo zazo kwi-weld nazo zahlukile.
Igesi ekhuselayo:I-Argon
I-Argon yenye yeegesi ezingasebenzi kakuhle ezisetyenziswa kakhulu.
Inezinga eliphezulu le-ionization phantsi kwesenzo se-laser, engalungelelaniyo nokulawula ukwakheka kwamafu e-plasma, nto leyo eya kuba nefuthe elithile ekusetyenzisweni kakuhle kwee-laser.
Indlela i-argon engangeniyo ngayo iyayigcina ingangeni kwinkqubo yokunyibilikisa, ngelixa ikwasusa ubushushu kakuhle, inceda ukulawula ubushushu kwindawo yokunyibilikisa.
Igesi ekhuselayo:I-Neon
I-Neon idla ngokusetyenziswa njengegesi engasebenziyo, efana ne-argon, kwaye isetyenziswa kakhulu ukukhusela indawo yokuwelda kwi-oksijini nakwezinye izinto ezingcolisayo kwindawo engaphandle.
Kubalulekile ukuqaphela ukuba i-neon ayifanelekanga kuzo zonke izicelo zokuwelda nge-laser.
Isetyenziswa ikakhulu kwimisebenzi ethile ekhethekileyo yokudibanisa, efana nokudityaniswa kwezinto ezijiyileyo okanye xa kufuneka imithungo enzulu yokudibanisa.
2. Igesi Encedisayo:
Ngexesha lenkqubo yokuwelda nge-laser, ukongeza kwigesi ekhuselayo ephambili, iigesi ezincedisayo zingasetyenziselwa ukuphucula ukusebenza kunye nomgangatho wokuwelda. Ezi zilandelayo zezinye zeegesi ezincedisayo eziqhelekileyo ezisetyenziswa ekuwelda nge-laser.
Igesi Encedisayo:Ioksijini
Ioksijini isetyenziswa kakhulu njengegesi yokuncedisa kwaye ingasetyenziselwa ukwandisa ubushushu kunye nobunzulu bokushisela ngexesha lokushisela.
Ukongeza ioksijini kunokunyusa isantya sokuwelda kunye nokungena kwayo, kodwa kufuneka kulawulwe ngononophelo ukuze kuthintelwe ioksijini egqithisileyo enokubangela iingxaki zeoksijini.
Igesi Encedisayo:Umxube weHydrogen/Hydrogen
I-hydrogen iphucula umgangatho wee-welds kwaye inciphisa ukwakheka kwe-porosity.
Imixube ye-argon kunye ne-hydrogen isetyenziswa kwezinye izinto ezikhethekileyo, ezifana nokuwelda intsimbi engagqwaliyo. Umxholo we-hydrogen womxube uhlala uphakathi kwe-2% ukuya kwi-15%.
Igesi ekhuselayo:I-nitrogen
I-nitrogen ikwasetyenziswa njengegesi encedisayo kwi-laser welding.
Amandla e-ionization e-nitrogen aphakathi, aphezulu kune-argon kwaye aphantsi kune-hydrogen.
I-ionization degree idla ngokuba phantsi kwesenzo se-laser. Inganciphisa ngcono ukwakheka kwamafu e-plasma, ibonelele ngee-welds ezikumgangatho ophezulu kunye nokubonakala, kwaye inciphise impembelelo yeoksijini kwii-welds.
I-nitrogen ingasetyenziselwa ukulawula ubushushu bendawo yokuwelda kunye nokunciphisa ukwakheka kwamaqamza kunye neembobo.
Igesi ekhuselayo:I-Helium
IHelium idla ngokusetyenziselwa ukuwelda nge-laser enamandla aphezulu kuba ine-thermal conductivity ephantsi kwaye ayifakwanga lula kwi-ion, nto leyo evumela i-laser ukuba idlule kakuhle kwaye amandla ombane afikelele kumphezulu we-workpiece ngaphandle kwemiqobo.
Inceda ekudibaniseni ngamandla aphezulu. I-Helium ingasetyenziselwa ukuphucula umgangatho wokuwelda kunye nokulawula amaqondo obushushu okuwelda. Le yeyona gesi yokukhusela esebenza kakhulu esetyenziswa ekudibaniseni nge-laser, kodwa ibiza kakhulu.
3. Igesi epholileyo:
Igesi yokupholisa idla ngokusetyenziswa ngexesha lokuwelda nge-laser ukulawula ubushushu bendawo yokuwelda, ukuthintela ubushushu obugqithisileyo, kunye nokugcina umgangatho wokuwelda. Ezi zilandelayo zezinye zeegesi zokupholisa ezisetyenziswa rhoqo:
Igesi epholileyo/ ephakathi:Amanzi
Amanzi yindlela eqhelekileyo yokupholisa edla ngokusetyenziselwa ukupholisa iijenereyitha zelaser kunye neenkqubo ze-optical welding zelaser.
Iinkqubo zokupholisa amanzi zinokunceda ukugcina ubushushu obuzinzileyo bejenereyitha yelaser kunye nezixhobo ze-optical ukuqinisekisa uzinzo kunye nokusebenza kakuhle kwe-laser beam.
Igesi epholileyo/ ephakathi:Iigesi zomoya
Kwezinye iinkqubo zokuwelda nge-laser, iigesi zomoya ezijikeleze umoya zingasetyenziselwa ukupholisa.
Umzekelo, kwinkqubo yokukhanya yejenereyitha yelaser, igesi ejikelezileyo yomoya inokubonelela ngesiphumo sokupholisa.
Igesi epholileyo/ ephakathi:Iigesi ezingasebenziyo
Iigesi ezingasebenziyo ezifana ne-argon kunye ne-nitrogen nazo zingasetyenziswa njengeegesi zokupholisa.
Zinomoya ophantsi wokuqhuba ubushushu kwaye zingasetyenziselwa ukulawula ubushushu bendawo yokuwelda kunye nokunciphisa indawo echaphazelekileyo bubushushu (HAZ).
Igesi epholileyo/ ephakathi:I-Nitrogen engamanzi
I-nitrogen engamanzi yindlela yokupholisa ekumgangatho ophantsi kakhulu enokusetyenziselwa ukuwelda nge-laser enamandla kakhulu.
Inika isiphumo sokupholisa esisebenzayo kakhulu kwaye iqinisekisa ulawulo lobushushu kwindawo yokuwelda.
4. Igesi exutyiweyo:
Imixube yegesi isetyenziswa kakhulu ekudibaniseni ukuze kuphuculwe iinkalo ezahlukeneyo zenkqubo, ezifana nesantya sokuhlanganisa, ubunzulu bokungena, kunye nokuzinza kwe-arc. Kukho iintlobo ezimbini eziphambili zomxube wegesi: imixube ye-binary kunye ne-ternary.
Imixube yegesi ezimbini:I-Argon + ioksijini
Ukongeza ioksijini encinci kwi-argon kuphucula uzinzo lwe-arc, kuphucula ichibi lokuwelda, kwaye kwandisa isantya sokuwelda. Lo mxube usetyenziswa kakhulu ekuwelda intsimbi yekhabhoni, intsimbi engenamthungo, kunye nentsimbi engatyiwayo.
Imixube yegesi ezimbini:I-Argon + i-Carbon Dioxide
Ukongezwa kwe-CO₂ kwi-argon kwandisa amandla okuwelda kunye nokumelana nokugqwala ngelixa kunciphisa ukuchitheka. Lo mxube udla ngokusetyenziselwa ukuwelda intsimbi yekhabhoni kunye nentsimbi engagqwaliyo.
Imixube yegesi ezimbini:I-Argon + iHydrogen
I-hydrogen yonyusa ubushushu be-arc, iphucula isantya sokuwelda, kwaye inciphisa iziphene zokuwelda. Iluncedo ngakumbi ekuwelding ii-alloys ezisekwe kwi-nickel kunye nentsimbi engagqwaliyo.
Imixube yeGesi yeTernary:I-Argon + Ioksijini + I-Carbon Dioxide
Lo mxube udibanisa iingenelo zomxube we-argon-oxygen kunye ne-argon-CO₂. Unciphisa ukuchitheka, uphucula ukunyibilika kwedama lokuwelda, kwaye uphucula umgangatho we-weld. Usetyenziswa kakhulu ekudibaniseni ubukhulu obahlukeneyo bentsimbi yekhabhoni, intsimbi engenamafutha amaninzi, kunye nentsimbi engatyiwayo.
Imixube yeGesi yeTernary:I-Argon + iHelium + iCarbon Dioxide
Lo mxube unceda ukuphucula uzinzo lwe-arc, wonyusa ubushushu bedama lokuwelda, kwaye wonyusa isantya sokuwelda. Usetyenziswa kwi-short-circuit arc welding kunye nezicelo ze-welding ezinzima, unika ulawulo olungcono kwi-oxidation.
Ukukhethwa kweGesi kwiZicelo ezahlukeneyo
Ukuwelda ngeLaser ephathwayo
Kwiindlela ezahlukeneyo zokufaka i-laser welding, ukukhetha igesi efanelekileyo kubalulekile, kuba ukuhlanganiswa kwegesi ezahlukeneyo kunokuvelisa umgangatho, isantya, kunye nokusebenza kakuhle kokuyifaka. Nazi ezinye izikhokelo zokukunceda ukhethe igesi efanelekileyo kwisicelo sakho:
Uhlobo lwezixhobo zokuWelda:
Yenziwe ngentsimbi eshayinayongokuqhelekileyo isebenzisaUmxube weArgon okanye weArgon/Hydrogen.
IiAluminiyam kunye neeAluminiyam Alloyssoloko usebenzisaI-Argon ecocekileyo.
Ii-Alloys zeTitaniumsoloko usebenzisaI-nitrogen.
Iintsimbi zeKhabhoni ephezulusoloko usebenzisaIoksijini njengeGesi eNcedisayo.
Isantya sokuWelda kunye nokuPhepha:
Ukuba kufuneka isantya esiphezulu sokuwelda okanye ukungena ngokunzulu kwe-welding, indibaniselwano yegesi ingalungiswa. Ukongeza i-oksijini kudla ngokuphucula isantya kunye nokungena, kodwa kufuneka kulawulwe ngononophelo ukuze kuthintelwe iingxaki ze-oxidation.
Ulawulo lweNdawo eChaphazelekayo bubushushu (HAZ):
Ngokuxhomekeke kwinto ecocwayo, inkunkuma enobungozi efuna iinkqubo ezikhethekileyo zokuphatha isenokuveliswa ngexesha lenkqubo yokucoca. Oku kunokongeza kwixabiso lilonke lenkqubo yokucoca nge-laser.
Umgangatho weWeld:
Ezinye iindibaniselwano zegesi zinokuphucula umgangatho kunye nokubonakala kwee-welds. Umzekelo, i-nitrogen inokubonelela ngenkangeleko engcono kunye nomgangatho womphezulu.
Ulawulo lwePore kunye neBubble:
Kwizicelo ezifuna ii-welds ezikumgangatho ophezulu kakhulu, kufuneka kuqwalaselwe ngokukodwa ukwakheka kwee-pores kunye namaqamza. Ukukhetha igesi ngokufanelekileyo kunokunciphisa umngcipheko wezi ziphene.
Izinto Eziqwalaselwayo Kwizixhobo Neendleko:
Ukukhethwa kwegesi kukwaphenjelelwa luhlobo lwezixhobo kunye neendleko. Ezinye iigesi zinokufuna iinkqubo zokubonelela ezikhethekileyo okanye iindleko eziphezulu.
Kwizicelo ezithile, kuyacetyiswa ukuba usebenze nonjineli we-welding okanye umenzi wezixhobo ze-laser welding onguchwephesha ukuze ufumane iingcebiso zobungcali kwaye uphucule inkqubo ye-welding.
Uvavanyo oluthile kunye nokulungiswa kudla ngokufuneka ngaphambi kokuba kukhethwe indibaniselwano yokugqibela yegesi.
Ngokuxhomekeke kwisicelo esithile, iindibaniselwano ezahlukeneyo zegesi kunye neeparameters zinokuzanywa ukufumana iimeko ezifanelekileyo zokuwelda.
Izinto Okufuneka Uzazi Ngazo: Ukuwelda Ngelaser Ephathwayo
Umatshini wokuwelda weLaser ocetyiswayo
Ukuze uphucule imisebenzi yakho yokusebenza ngentsimbi kunye nokucubungula izinto, ukukhetha izixhobo ezifanelekileyo kubalulekile. I-MimoWork Laser icebisa ukubaUmatshini wokuwelda weLaser ophathwa ngesandlaukuze kudityaniswe isinyithi ngokuchanekileyo nangokufanelekileyo.
Umthamo ophezulu kunye nombane osetyenziswa kwiindlela ezahlukeneyo zokuWelda
Umatshini wokuwelda we-laser ophathwa ngesandla we-2000W ubonakala ngobukhulu bomatshini obuncinci kodwa umgangatho wokuwelda oqaqambileyo.
Umthombo we-laser yefayibha ozinzileyo kunye nentambo yefayibha edibeneyo zibonelela ngokuhanjiswa komqadi we-laser okhuselekileyo nozinzileyo.
Ngamandla aphezulu, isitshixo se-laser welding sigqibelele kwaye sivumela ukuba i-welding joint iqine ngakumbi nakwintsimbi etyebileyo.
Njengoko ibukeka incinci kwaye incinci, umatshini wokuwelda welaser ophathwayo uxhotyiswe ngesibhamu sokuwelda selaser esiphathwayo esinokuhanjiswa esikhaphukhaphu kwaye silungele ukusetyenziswa kwe-multi-laser welding kuyo nayiphi na i-engile kunye nomphezulu.
Iindidi ezahlukeneyo zee-nozzles ze-laser welder kunye neenkqubo zokutyisa ngocingo oluzenzekelayo zenza kube lula ukusebenza kwe-laser welding kwaye oko kulungele abaqalayo.
Ukuwelda nge-laser ekhawulezayo kwandisa kakhulu ukusebenza kakuhle kwemveliso yakho kunye nemveliso ngelixa kuvumela isiphumo esihle kakhulu sokuwelda nge-laser.
Shwankathela
Ngamafutshane, ukuwelda nge-laser kufuneka kusebenzise igesi ukukhusela iindawo zokuwelda, ukulawula ubushushu, ukuphucula umgangatho wokuwelda, kunye nokukhusela iinkqubo zokukhanya. Ukukhetha iintlobo zegesi ezifanelekileyo kunye neeparamitha zobonelelo yinto ebalulekileyo ekuqinisekiseni inkqubo yokuwelda nge-laser esebenzayo nezinzileyo kunye nokufumana iziphumo zokuwelda ezikumgangatho ophezulu. Izixhobo ezahlukeneyo kunye nokusetyenziswa kwazo kunokufuna iintlobo ezahlukeneyo kunye nomlinganiselo oxutyiweyo ukuhlangabezana neemfuno ezithile zokuwelda.
Nxibelelana nathi namhlanjeukuze ufunde okungakumbi malunga nee-laser cutters zethu kunye nendlela abanokuyiphucula ngayo inkqubo yakho yokuvelisa ukusika.
Amakhonkco Anxulumeneyo
Ngaba kukho naziphi na izimvo malunga noomatshini bokuwelda ngeLaser?
Ixesha leposi: Jan-13-2025