Umbuzo ojwayelekile ekukhiqizeni okuthuthukisiwe uthi: Ingabe i-Electron Beam Welding (EBW) idinga iphampu yevacuum? Impendulo emfushane inguyebo onamandla, ezikhathini eziningi. Iphampu ye-vacuum ayiyona nje into yokusiza kodwa iyinhliziyo yohlelo oluvamile lwe-EBW, enika amandla amakhono ayo ayingqayizivele.
Umnyombo we-EBW uhlanganisa ukukhiqiza umfudlana ogxilile wama-electron esivinini esikhulu ukuze ancibilike futhi afake izinto zokwakha. Le nqubo izwela kakhulu kuma-molecule egesi. Endaweni engeyona i-vacuum, lawa ma-molecule angashayisana nama-electron, abangele ukuthi i-beam ihlakazeke, ilahlekelwe amandla, futhi igweme. Umphumela uzoba ukushisela okubanzi, okungacacile, nokungasebenzi kahle, okuhlula ngokuphelele inhloso yokukhomba ukunemba nokungena okujulile kwe-EBW. Ngaphezu kwalokho, i-electron gun's cathode, ekhipha ama-electron, isebenza emazingeni okushisa aphakeme kakhulu futhi ingakhipha i-oxidize futhi ishise ngokushesha uma ivezwe emoyeni.
Ngakho-ke, i-High-Vacuum EBW, okuyifomu elivame kakhulu, idinga indawo ehlanzeke ngokwedlulele, ngokuvamile ephakathi kuka-10⁻² kuya ku-10⁻⁴ Pa. Ukufeza lokhu kudinga isistimu yokumpompa eyinkimbinkimbi enezigaba eziningi. Iphampu enyakazayo iqala ngokususa ingxenye enkulu yomkhathi, ilandelwe yiphampu enevacuum ephezulu, njengephampu ye-diffusion noma i-turbomolecular, edala izimo ezihlanzekile ezidingekayo ukuze usebenze kahle. Lokhu kuqinisekisa ukushiselwa okungangcoli, ubuqotho obuphezulu, okuyenza ibaluleke kakhulu ekusetshenzisweni kwe-aerospace, medical, kanye ne-semiconductor.
Okuhlukile okwaziwa ngokuthi Medium noma Soft-Vacuum EBW kusebenza ngengcindezi ephakeme (cishe 1-10 Pa). Nakuba kunciphisa kakhulu isikhathi sokumpompa ukuze kukhiqizwe kangcono, kusadingeka ngokuphelele amaphampu e-vacuum ukuze kugcinwe le ndawo elawulwayo, enengcindezi ephansi ukuvimbela ukuhlakazeka ngokweqile kanye ne-oxidation.
Okuhlukile okuphawulekayo yi-Non-Vacuum EBW, lapho ukushisela kwenziwa endaweni evulekile. Nokho, lokhu kuyadukisa. Ngenkathi igumbi le-workpiece liqedwa, isibhamu se-electron ngokwaso sisagcinwa ngaphansi kwe-vacuum ephezulu. Umsebe ube usuvezwa ngochungechunge lwezimbobo zokucindezela okuhlukile emoyeni. Le ndlela inenkinga yokuhlakazeka kwemishayo ebalulekile futhi idinga ukuvikelwa okuqinile kwe-X-ray, okukhawulela ukusetshenziswa kwayo ezinhlelweni ezithile zevolumu ephezulu.
Sengiphetha, ukusebenzisana phakathi kwe-electron beam kanye nepompo ye-vacuum yikho okuchaza lobu buchwepheshe obunamandla. Ukuze kuzuzwe ikhwalithi ephezulu nokunemba i-EBW eyaziwa ngakho, iphampu yevacuum akuyona inketho—yisidingo esiyisisekelo.
Isikhathi sokuthumela: Nov-10-2025
