amakuru

Amakuru

Gushonga Vacuum
Vacuum casting (vacuum induction gushonga - VIM) yatunganijwe kugirango itunganyirizwe amavuta yihariye kandi adasanzwe, kandi rero biragenda biba ibisanzwe kuko ibyo bikoresho bigezweho bigenda bikoreshwa.V.Irashobora kandi gukoreshwa mubyuma bidafite ingese nibindi byuma mugihe hifujwe ubuziranenge bwambere.

Nkuko izina ribigaragaza, inzira ikubiyemo gushonga icyuma mugihe cya vacu.Induction ya Electromagnetic ikoreshwa nkisoko yingufu zo gushonga ibyuma.Gushonga gushiramo bikora mugukurura amashanyarazi eddy amashanyarazi mubyuma.Inkomoko ni coil induction, itwara indi ntera.Eddy ikoresha ubushyuhe hanyuma amaherezo igashonga.

Itanura rigizwe n'umuyaga mwinshi, ikonje ikonje y'amazi ishoboye kwihanganira icyuho gikenewe cyo gutunganywa.Icyuma gishongeshwa mububiko bubitse mumashanyarazi akonjesha amazi, kandi itanura risanzwe rifite imirongo ikwiye.

Ibyuma n'amavuta avanze bifitanye isano na gaze - cyane cyane azote na ogisijeni - akenshi bishonga / binonosorwa mu ziko ryinjira mu cyuho kugira ngo birinde kwanduza / kwitwara kuri iyo myuka.Ubwo buryo rero bukoreshwa muri rusange mugutunganya ibikoresho byinshi cyangwa ibikoresho bifite ubworoherane bukomeye kubigize imiti.

Ikibazo: Kuki gushonga kwa vacuum gukoreshwa?

Igisubizo: Gushonga kwa Vacuum byabanje gutunganywa kugirango bitunganyirizwe hamwe byihariye kandi bidasanzwe kandi bigenda bigaragara cyane kuko ibyo bikoresho bigezweho bikoreshwa cyane.Mugihe yatunganijwe kubikoresho nka superalloys, irashobora kandi gukoreshwa mubyuma bitagira umwanda nibindi byuma.
Nigute aitanura rya vacuumakazi?
Ibikoresho bishyirwa mu itanura rya induction munsi ya vacuum kandi imbaraga zikoreshwa kugirango ushonge.Amafaranga yinyongera arakorwa kugirango azane ibyuma byamazi mubushobozi bwo gushonga.Icyuma gishongeshejwe gitunganijwe munsi ya vacuum na chimie ihindurwa kugeza chimie yuzuye yashonze.
Bigenda bite ku cyuma mu cyuho?
By'umwihariko, ibyuma byinshi bigize urwego rwa oxyde ku buso ubwo aribwo bwose bwerekanwa n'umwuka.Ibi bikora nkingabo yo gukumira guhuza.Mu cyuho cy'umwanya, nta mwuka uhari bityo ibyuma ntibishobora gukora urwego rukingira.

Ibyiza byo gushonga VIM
Ukurikije ibicuruzwa nuburyo bwa metallurgiki, urwego rwa vacuum mugihe cyo gutunganya ruri hagati ya 10-1 na 10-4 mbar.Bimwe mubyiza bya metallurgiki yo gutunganya vacuum ni:
Gushonga munsi yikirere kitarangwamo umwuka wa ogisijeni bigabanya imiterere ya okiside idafite ibyuma kandi ikarinda okiside yibintu byangiza
Kugera kubintu byihanganira kwihanganira ibintu hamwe na gaze
Kurandura ibintu bitifuzwa nibintu byumuyaga mwinshi
Gukuraho imyuka yashonze - ogisijeni, hydrogen, azote
Guhindura ibice byuzuye kandi bihuje ibinyabuzima hamwe n'ubushyuhe bwo gushonga
Gushonga mu cyuho bivanaho gukenera igifuniko cyo gukingira kandi bikagabanya amahirwe yo kwanduza impanuka cyangwa impanuka muri ingot
Kubera iyo mpamvu, ibikorwa bya metallurgjiya nka dephosphorisation na desulphurisation ni bike.VIM metallurgie yibanze cyane cyane kubitekerezo biterwa nigitutu, nkibisubizo bya karubone, ogisijeni, azote na hydrogen.Kurandura ibintu byangiza, bihindagurika, nka antimoni, tellurium, selenium na bismuth, mu itanura rya vacuum rifite akamaro kanini.

Gukurikirana neza ibyuka biterwa nigitutu cya karubone irenze kugirango urangize deoxidation nurugero rumwe gusa rwo guhinduranya ibintu ukoresheje inzira ya VIM kugirango ikore superalloys.Ibikoresho bitari superalloys ni decarburized, desulfurize cyangwa byatoranijwe mu ziko rya vacuum induction kugirango byuzuze ibisobanuro kandi byemeze ibintu bifatika.Kubera umuvuduko mwinshi wumwuka wibintu byinshi bitifuzwa, birashobora kugabanuka kugera kurwego rwo hasi cyane mugutobora mugihe cyo gushonga kwa vacuum, cyane cyane kubivanze bifite imbaraga nyinshi cyane mubushyuhe bwo hejuru.Ku mavuta atandukanye agomba kuba yujuje ubuziranenge bwo mu rwego rwo hejuru, itanura rya vacuum induction nuburyo bwiza bwo gushonga.

Uburyo bukurikira burashobora guhuzwa byoroshye na sisitemu ya VIM kugirango itange umusaruro ushimishije:
Kugenzura ikirere hamwe nigipimo gito cyo kugabanuka no kugabanuka
Guhitamo ibikoresho bihamye byo kwangirika kumurongo wingenzi
Gukurura no guhuza ibitsina na electromagnetic gukurura cyangwa gusukura gaze
Kugenzura neza ubushyuhe kugirango ugabanye ingaruka zikomeye hamwe no gushonga
Uburyo bukwiye bwo kumanura no gushungura tekinike mugihe cyo gukina
Gukoresha uburyo bukwiye bwo kumesa hamwe na tundish tekinike yo gukuraho okiside nziza.


Igihe cyoherejwe: Nyakanga-19-2022