Umbuzo oqhelekileyo kwimveliso ephezulu ngulo: Ngaba i-Electron Beam Welding (EBW) ifuna impompo yokucoca? Impendulo emfutshane nguewe onamandla, kuninzi lwamatyala. Impompo yokufunxa ayisiyonto nje yokuncedisa kodwa eyona ntliziyo yenkqubo yesiqhelo ye-EBW, eyenza izakhono zayo ezizodwa.
Undoqo we-EBW ubandakanya ukuvelisa umlambo ogxininisiweyo wee-electron zesantya esiphezulu sokunyibilika kunye nokudibanisa izinto. Le nkqubo inomdla kakhulu kwiimolekyuli zegesi. Kwindawo engeyiyo i-vacuum, ezi molekyuli ziya kungqubana kunye nee-electron, ezibangela ukuba umqadi usasazeke, ulahlekelwe amandla, kwaye ungabikho. Isiphumo siya kuba sibanzi, singachanekanga, kwaye singasebenzi kakuhle, soyise ngokupheleleyo injongo ye-EBW yokuchaneka nokungena okunzulu. Ngapha koko, i-electron gun's cathode, ekhupha ii-electron, isebenza kumaqondo obushushu aphezulu kakhulu kwaye iya kukhupha i-oxidize kwaye itshise ngoko nangoko ukuba ibonakaliswe emoyeni.
Ngoko ke, i-High-Vacuum EBW, eyona ndlela ixhaphakileyo, ifuna indawo engqongileyo ecocekileyo, phakathi kwe-10⁻² ukuya kwi-10⁻⁴ Pa. Ukuphumeza oku kufuna inkqubo yokumpompa ephucukileyo enezigaba ezininzi. Impompo erhabaxa kuqala isusa ubuninzi be-atmosfera, ilandelwa yimpompo ene-vacuum ephezulu, efana ne-diffusion okanye impompo ye-turbomolecular, eyenza iimeko ezicocekileyo eziyimfuneko ekusebenzeni ngokufanelekileyo. Oku kuqinisekisa ukungcoliseka okungangcolisekiyo, i-weld ephezulu yentembeko, iyenza ibe yimfuneko kwi-aerospace, zonyango, kunye nezicelo ze-semiconductor.
Inguqu eyaziwa ngokuba yi-Medium okanye i-Soft-Vacuum EBW isebenza kuxinzelelo oluphezulu (malunga ne-1-10 Pa). Ngelixa inciphisa kakhulu ixesha lokumpompa lemveliso engcono, isafuna ngokupheleleyo iimpompo ze-vacuum ukugcina le ndawo elawulwayo, ephantsi koxinzelelo ukukhusela ukusabalalisa okugqithisileyo kunye ne-oxidation.
Into ephawulekayo yi-Non-Vacuum EBW, apho i-weld yenziwa kwindawo evulekileyo. Nangona kunjalo, oku kuyalahlekisa. Ngelixa igumbi le-workpiece lipheliswa, umpu we-electron ngokwawo usagcinwa phantsi kwe-vacuum ephezulu. Umqadi ke uboniswa ngothotho lwemibhobho yoxinzelelo eyohlukileyo emoyeni. Le ndlela inengxaki yokusasazeka kwe-beam kwaye ifuna ukukhuselwa okungqongqo kwe-X-reyi, ukunciphisa ukusetyenziswa kwayo kwizicelo ezithile ezinomthamo ophezulu.
Ukuqukumbela, i-synergy phakathi kwe-electron beam kunye nepompo ye-vacuum yiyona nto ichaza le teknoloji inamandla. Ukufezekisa umgangatho ophezulu kunye nokuchaneka i-EBW eyaziwa ngayo, impompo yokufunxa ayisiyiyo inketho-yinto ebalulekileyo.
Ixesha lokuposa: Nov-10-2025
