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Electron Beam Machining Ebm Pdf Free

 
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MessagePosté le: Mar 4 Oct - 19:53 (2016)    Sujet du message: Electron Beam Machining Ebm Pdf Free Répondre en citant




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There.is.no.contact.between.the.tool.material.and.work.piece.material.Very.small.holes.are.also.machined.on.different.type.of.work.piece.materials.with.high.accuracy.Drilling.is.also.done.on.the.work.piece.material.with.a.diameter.of.nearly.0.002.inches.Drilling.parameters.are.changed.automatically.during.the.machining.Distortions.are.not.observed.to.the.work.piece.material.This.process.is.proficient.in.attaining.high.accuracy.along.with.repeatability..By.using.the.diffusion.pump.and.rotary.pump.the.vacuum.is.maintained..The...cost...of...the...equipment...is...very...high...Metal...removal...rate...during...the...process...is...low...Small...cut...operations...are...performed...on...the...work...piece...material...with...the...help...of...EBM...machine...Vacuum...requirements...boundaries...the...dimensions...of...the...work...piece...material...Need...for...secondary...backing...materials....Spot.size,.on.the.other.hand.is.controlled.by.the.degree.of.focusing.achieved.by.the.electromagnetic.lenses..The...high...velocity...electron...consists...of...kinetic...energy,...the...energy...is...converted...into...the...heat...energy,...where...the...electrons...strikes...the...work...material....The.disc.allows.the.electron.beam.to.pass.over.the.material.for.machining,.and.it.prevents.from.the.fumes.and.vapors.generated.during.the.machining..Reverse...tapper...can...also...be...performed...below...the...surface...of...the...work...piece...material....Holes.can.be.elongated.along.with.the.barrel.shape.or.depth..Because..work..must..be..done..in..a..vacuum,..EBM..is..best..suited..for..small..parts...HomeAbout.UsTopic.IndexTag.IndexSubmit.Guest.PostPrivacy.PolicyContact..Copyright.2016.ME.Mechanical..

The.power.and.energy.density.is.ruled.by.the.energy.per.pulse.and.the.nozzle.spot.size..In..the..gun..beam..flection..and..CNC..control..are..used..to..shape...The.metal.removal.must.be.high;.this.is.when.compared.to.the.holes.size.where.the.hole.must.be.similar..Compare..with..the..other..process,..formation..of..holes..is..easy..with..the..other..process...By...means...of...electromagnetic...deflection...system...the...beam...is...positioned...as...needed,...usually...by...means...of...a...computer....By..using..the..single..pulse..holes,..and..is..drilled..on..the..thin..sheets...Equipment..used..in..the..Electron..Beam..Machining:...Beam...current...is...related...to...the...electrons...that...are...emitted...from...the...cathode...or...available...in...the...beam....The...anode...attracts...the...electrons...and...gets...accelerated;...the...electrons...will...gain...a...high...velocity....The...solidities...lies...between...5...Acto...15...Ac.The...emission...current...is...influenced...by...the...voltage...that...is...nearly...150kV,...and...the...current...is...applied...between...the...anode...and...cathode...to...release...the...electrons...in...the...direction...of...work...piece....

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