Mubvunzo wakajairika mukugadzirwa kwepamberi ndewekuti: Electron Beam Welding (EBW) inoda vacuum pump? Mhinduro pfupi ndihongu akasimba, muhuwandu hwakawanda hwezviitiko. Iyo vacuum pombi haingori yekuwedzera asi iwo moyo chaiwo weyakajairwa EBW system, ichigonesa kugona kwayo kwakasiyana.
Mwongo weEBW unosanganisira kugadzira yakanangana nerukova rwepamusoro-velocity maerekitironi kunyunguduka uye fuse zvinhu. Izvi zvinonyanya kunzwisiswa nemamorekuru egasi. Munzvimbo isiri-vacuum, mamorekuru aya aizodhumhana nemaerekitironi, zvichiita kuti danda ripararire, ripere simba, uye ripere. Mhedzisiro yacho ingave yakafara, isina kujeka, uye isingashande weld, ichikunda zvachose chinangwa cheiyo EBW yekunongedza kurongeka uye kupinza kwakadzama. Uyezve, electron gun's cathode, iyo inobudisa maerekitironi, inoshanda pakupisa kwakanyanya uye inogona kuunza oxidize nekupisa pakarepo kana yakasangana nemhepo.
Naizvozvo, High-Vacuum EBW, iyo inonyanya kushandiswa, inoda nzvimbo yakachena kwazvo, kazhinji iri pakati pe10⁻² kusvika 10⁻⁴ Pa. Pombi inokasharara inotanga yabvisa huwandu hwemhepo, ichiteverwa nepombi ine vacuum yakakwirira, senge diffusion kana turbomolecular pump, iyo inogadzira iyo pristine mamiriro anodiwa kuti ishande zvakanyanya. Izvi zvinogonesa kusvibiswa-isina, yakakwirira-kutendeseka weld, zvichiita kuti ive yakakosha kune aerospace, yekurapa, uye semiconductor application.
Musiyano unozivikanwa seMedium kana Soft-Vacuum EBW unoshanda pane yakanyanya kudzvanywa (yakatenderedza 1-10 Pa). Kunyange zvazvo ichinyanya kuderedza nguva yepombi-pasi yekugadzira zviri nani, ichiri kunyatsoda mapombi ekutsvaira kuchengetedza iyi inodzorwa, yakaderera-inodzvinyirira nharaunda kudzivirira kupararira kwakanyanya uye oxidation.
Iyo inosarudzika ndeye Non-Vacuum EBW, uko weld inoitwa mumhepo yakavhurika. Zvisinei, izvi zvinotsausa. Nepo iyo workpiece chamber ichibviswa, erekitironi pfuti pachayo ichiri kuchengetwa pasi pechivharo chakakwirira. Danda racho rinozoratidzwa kuburikidza nenhevedzano yezvakasiyana-siyana zvinopinda mumhepo. Iyi nzira inotambura nekupararira kukuru kwedanda uye inoda kuomesera X-ray dziviriro, ichidzikamisa kushandiswa kwayo kune chaiyo yakakwirira-vhoriyamu maapplication.
Mukupedzisa, kuwirirana pakati pe electron beam uye vacuum pump ndiyo inotsanangura iyi teknolojia ine simba. Kuti uwane hukuru hwepamusoro uye nemazvo izvo EBW ine mukurumbira nazvo, pombi yekutsvaira haisi sarudzo - chinhu chakakosha.
Nguva yekutumira: Nov-10-2025
