Basa rekudzivirira gasi mune laser welding process
(1) Dziviriro gasi rinogona kuchengetedza laser musoro lens kubva kusimbi mhute kusvibiswa uye mvura droplet sputtering.
(2) Mupfunga wesimbi unobata danda relaser uye wopinda mugore replasma. Kana paine plasma yakawandisa, iyo laser beam inopedzwa neplasma kusvika pamwero wakati. Iyo gasi inodzivirira inogona kuparadzira simbi vapor plumes kana makore eplasma, kuderedza kudzivirira kwelaser, uye kuwedzera chiyero chekushandisa chelaser.
(3) Gasi rinodzivirira rinogona kudzivirira dziva rakanyungudutswa. Kana zvimwe zvinhu zvakasungwa, iyo oxidation yepamusoro inogona kufuratirwa. Dziviriro yacho inogonawo kufuratirwa. Zvisinei, nokuda kwezvikumbiro zvakawanda, helium, argon, nitrogen uye mamwe magasi anowanzoshandiswa pakudzivirira, kuitira kuti workpiece inogona kuva Dzivisa oxidation panguva yekuputika.
Commonly inodzivirira gasi relaser welding
(1) Helium: yakakwira ionization simba, yakaderera ionization dhigirii pasi pechiito chelaser, inokwanisa kudzora kuumbwa kwegore replasma, uye ine basa rakaderera, harina kuita kemikari nesimbi, iri gasi rinodzivirira rakanakisa. Nekudaro, mutengo wehelium wakanyanya kukwira uye unowanzoshandiswa pakutsvaga kwesainzi.
(2) Argon gasi: Iyo ionization simba yakaderera, uye iyo ionization dhigirii yakakwira pasi pechiito chelaser, iyo isingakodzeri kudzora kuumbwa kweplasma gore, uye ichave nemhedzisiro pakushandiswa kunobudirira kwelaser; asi basa rayo rakaderera, iro rakaoma kuenzanisa neyakajairwa Simbi inopinda kemikari inobata, uye mari yacho haisi yakakwirira, saka inogona kushandiswa seyakajairwa gasi rekudzivirira. .
(3) Nitrogen: ine mwero ionization simba, yakakwirira kupfuura argon uye yakaderera pane helium. Nitrogen inogona kuita zvemakemikari nealuminium alloy uye kabhoni simbi pane imwe tembiricha kuti ibudise nitrides, iyo inowedzera brittleness ye weld, kuderedza kuoma, uye ichava nemhedzisiro yakaipa pamichina yejoini ye weld. Saka, hazvikurudzirwi kushandisa nitrogen. Aluminium alloy uye kabhoni simbi welds inodzivirirwa. Iyo nitride inogadzirwa nemakemikari reaction pakati penitrogen nesimbi isina tsvina inogona kuwedzera kusimba kweiyo weld joint, izvo zvichabatsira kuvandudza ma mechanical properties ye weld. Naizvozvo, nitrogen inogona kushandiswa sechidziviriro gasi kana welding simbi isina tsvina.
Iyo nzira yekudzivirira gasi kuputika-mukati
Parizvino pane nzira mbiri huru dzekufuridza mukudzivirira gasi:
(1) Ndiko kudzivirira-kuvhuvhuta kwepadivi shaft
(2) Iyo coaxial kudzivirira, sezvakaratidzwa mumufananidzo uri pasi apa.
Iyo gasi yekudzivirira yakavhuvhuta mukati haingodi chete kuchengetedza dziva re weld panguva yakakodzera, asi inodawo kuchengetedza iyo yakanyatso kusimba nzvimbo yakave yakashongedzwa. Naizvozvo, side-shaft side kuvhuvhuta kudzivirira kunowanzo shandiswa, nekuti iyi nzira yekudzivirira yakaenzana Iyo yekudzivirira yenzira yekudzivirira coaxial yakakura, kunyanya kune iyo nzvimbo iyo weld ichangobva kusimba.
Sideshaft padivi kuvhuvhuta Kwezvishandiso zveinjiniya, hazvisi zvese zvigadzirwa zvinogona kuchengetedzwa nesideshaft kudivi kuvhuvhuta. Kune zvimwe zvigadzirwa, chete coaxial kudzivirira inogona kushandiswa. Inoda kutariswa kubva kune chigadzirwa chimiro uye fomu yakabatana. Sarudzo yebonde.
Nokuti chimiro che weld chakatwasuka, fomu rejoints rinogona kunge riri butt joint, lap joint, corner joint kana overlap welded joint. Rudzi urwu rwechigadzirwa runotora nzira yekudzivirira-kuvhuvhuta.
Kune zvigadzirwa zvine chimiro che weld chakaita denderedzwa kana polygonal, uye majoini mafomu ari butt majoini, lap majoini, anopindirana welding majoini, nezvimwewo, zviri nani kushandisa coaxial kudzivirira kune rudzi urwu rwechigadzirwa.
Iri pamusoro ndiro basa uye nzira yekudzivirira yelaser welding shielding gasi. Muchiito chaicho chekushandisa, inofanira kusarudzwa maererano nemamiriro chaiwo.
Nguva yekutumira: Nov-19-2021