Umsebenzi wegesi yokukhusela kwinkqubo ye-laser welding
(1) Igesi ekhuselayo inokukhusela i-lens yentloko ye-laser kungcoliseko lomphunga wesinyithi kunye ne-droplet sputtering yolwelo.
(2) Umphunga wesinyithi ufunxa umqa welaser uze ube yionini ube lilifu leplasma. Ukuba kukho i-plasma eninzi kakhulu, i-laser beam idliwe yi-plasma ukuya kwinqanaba elithile. Igesi ekhuselayo inokusasaza iiplamu zomphunga wesinyithi okanye amafu eplasma, ukunciphisa umphumo wokukhusela we-laser, kunye nokunyusa izinga lokusetyenziswa kwe-laser.
(3) Irhasi ekhuselayo inokukhusela ichibi elinyibilikisiweyo. Xa ezinye izinto zidityanisiwe, i-oxidation yomhlaba ayinakuhoywa. Ukhuseleko lunokungahoywa. Nangona kunjalo, kwizicelo ezininzi, i-helium, i-argon, i-nitrogen kunye nezinye iigesi zihlala zisetyenziselwa ukukhusela, ukwenzela ukuba i-workpiece ikwazi ukunqanda i-oxidation ngexesha le-welding.
Cigesi ekhuselayo ye-ommonly ye-laser welding
(1) I-Helium: amandla aphezulu e-ionization, idigri ye-ionization ephantsi phantsi kwesenzo se-laser, inokulawula kakuhle ukubunjwa kwelifu le-plasma, kwaye inomsebenzi ophantsi, ngokusisiseko ayisebenzi ngokwekhemikhali ngentsimbi, yigesi efanelekileyo kakhulu yokukhusela. Nangona kunjalo, ixabiso le-helium liphezulu kakhulu kwaye lisetyenziselwa uphando lwezenzululwazi ngokubanzi.
(2) I-Argon igesi: Amandla e-ionization aphantsi, kwaye i-ionization degree iphezulu phantsi kwesenzo se-laser, esingenakulungelelaniswa nokulawula ukubunjwa kwefu le-plasma, kwaye iya kuba nefuthe elithile ekusebenziseni ngokufanelekileyo kwe-laser; kodwa umsebenzi wayo uphantsi, onzima ukuthelekisa kunye nesiqhelo Isinyithi sifumana ukusabela kweekhemikhali, kwaye iindleko azikho phezulu, ngoko ingasetyenziselwa njengegesi yokukhusela eqhelekileyo. .
(3) I-Nitrogen: amandla e-ionization aphakathi, aphezulu kune-argon kwaye aphantsi kune-helium. I-nitrojeni inokusabela ngeekhemikhali nge-aluminium alloy kunye ne-carbon steel kwiqondo lokushisa elithile ukuvelisa i-nitrides, eya kwandisa i-brittleness ye-weld, ukunciphisa ukuqina, kwaye iya kuba nefuthe elibi kakhulu kwiipropati ze-mechanical ze-weld joint. Ngoko ke, akukhuthazwa ukusebenzisa i-nitrogen. I-aluminium alloy kunye ne-carbon steel welds zikhuselwe. I-nitride eveliswa yi-chemical reaction phakathi kwe-nitrogen kunye nensimbi engenasici inokunyusa amandla e-weld joint, eya kunceda ukuphucula iimpawu zomatshini we-weld. Ke ngoko, initrogen ingasetyenziswa njengerhasi ekhuselayo xa udibanisa intsimbi engenasici.
Indlela yokukhusela igesi yokuvuthela
Kukho iindlela ezimbini eziphambili zokuvuthela kwigesi ekhuselayo:
(1) Lukhuselo lwecala lokuvuthela kwicala le-shaft esecaleni
(2) Kukukhusela i-coaxial, njengoko kuboniswe kumzobo ongezantsi.
Irhasi ekhuselayo evuthelweyo ayifuni kuphela ukukhusela i-weld pool ngexesha elifanelekileyo, kodwa kufuneka ikhusele indawo eqinileyo edibeneyo. Ngoko ke, ukukhuselwa kwe-side-shaft side blowing ngokuqhelekileyo kusetyenziswa, kuba le ndlela yokukhusela ngokulinganayo Uluhlu lokukhusela lwendlela yokukhusela i-coaxial lubanzi, ngakumbi kwindawo apho i-weld isanda kuqina.
Ukuvuthela ecaleni kwe-Sideshaft Kwizicelo zobunjineli, ayizizo zonke iimveliso ezinokukhuselwa ngokuvuthela ecaleni kwe-sideshaft. Kwezinye iimveliso ezithile, ukhuseleko lwe-coaxial kuphela lunokusetyenziswa. Kufuneka kujoliswe kwisakhiwo semveliso kunye nefom edibeneyo. Ukukhetha ngokwesondo.
Kuba imilo ye-weld ithe tye, ifom edibeneyo inokuba yi-butt joint, i-lap joint, i-joint yekona okanye i-welding edibeneyo edibeneyo. Olu hlobo lwemveliso luthatha indlela yokukhusela i-side-blow.
Kwiimveliso ezinemilo ye-weld yesetyhula okanye i-polygonal, kwaye iifom ezidibeneyo ziyi-butt joints, i-lap joints, i-welding ye-welding edibeneyo, njl., Kungcono ukusebenzisa ukhuseleko lwe-coaxial ngolu hlobo lwemveliso.
Oku ngasentla ngumsebenzi kunye nendlela yokukhusela ye-laser welding shielding gas. Kwinkqubo yokusetyenziswa kwangempela, kufuneka ikhethwe ngokweyona meko.
Ixesha lokuposa: Nov-19-2021