Ua ntej, laser yog dab tsi? Lub ntiaj teb thawj lub teeb laser tau tsim nyob rau xyoo 1960 los ntawm kev siv lub teeb nyem kom zoo siab ruby pob zeb siv lead ua nplej. Vim qhov kev txwv ntawm lub peev xwm kub ntawm cov siv lead ua, nws tsuas tuaj yeem tsim lub teeb mem tes luv luv nrog lub zaus tsawg heev. Txawm hais tias lub zog ceev ceev ceev ceev tuaj yeem siab txog 106 watts, nws tseem yog lub zog qis.
Laser thev naus laus zis siv lub polarizer los cuam tshuam cov nqaj tsim los ntawm laser kom nws muaj zog nyob rau hauv cov cuab yeej tsom mus tsim cov nqaj ntawm lub zog loj. Yog tias qhov tsom mus ze rau lub workpiece, lub workpiece yuav yaj thiab evaporate nyob rau hauv ob peb milliseconds. Cov nyhuv no tuaj yeem siv rau hauv cov txheej txheem vuam. Qhov tshwm sim ntawm siab - zog CO2thiab siab -YAG lasers tau qhib qhov chaw tshiab ntawm laser vuam. Tus yuam sij rau cov khoom siv laser vuam yog siab - lasers. Muaj ob pawg loj. Ib qho yog laser khoom, tseem hu ua Nd:YAG laser. Nd (neodymium) yog qhov tsis tshua muaj neeg nyiam, YAG sawv cev rau yttrium aluminium garnet, thiab nws cov qauv siv lead ua zoo ib yam li ruby. Lub wavelength ntawm Nd:YAG laser yog 1.06μm. Lub ntsiab kom zoo dua yog hais tias lub generated beam yuav kis tau los ntawm optical fiber, yog li ib tug complex beam kis tau tus mob yuav raug tshem tawm. Nws yog qhov tsim nyog rau kev tsim khoom lag luam yooj yim lossis kev ua haujlwm hauv chaw taws teeb, thiab feem ntau yog siv rau cov khoom ua haujlwm nrog cov kev xav tau ntawm kev siv vuam siab. Nd: YAG lasers nrog lub zog tso zis ntawm 3-4 kilowatts feem ntau siv hauv kev lag luam tsheb. Lwm hom yog roj laser, tseem hu ua CO2laser. Cov pa roj molecular yog siv los ua qhov nruab nrab ua haujlwm los tsim ib lub laser infrared nrog qhov loj me ntawm 10.6 μm. Nws tuaj yeem ua haujlwm tsis tu ncua thiab tso zis ntau lub zog. Tus qauv laser fais fab yog nruab nrab ntawm 2-5 kilowatts.
Piv nrog rau lwm yam kev siv thev naus laus zis, lub ntsiab zoo ntawm laser vuam yog:
1. Ceev ceev, qhov tob loj thiab me me deformation.
2. Kev vuam tuaj yeem ua tau nyob rau hauv chav tsev kub lossis nyob rau hauv cov xwm txheej tshwj xeeb, thiab cov khoom siv vuam yog yooj yim. Piv txwv li, lub laser beam yuav tsis deflect thaum dhau los ntawm electromagnetic teb; lasers tuaj yeem ua vuam hauv lub tshuab nqus tsev, huab cua, thiab qee qhov chaw roj av, thiab tuaj yeem vuam los ntawm iav lossis cov ntaub ntawv pob tshab rau lub teeb laser.
3. Nws tuaj yeem vuam cov ntaub ntawv refractory xws li titanium, quartz, thiab lwm yam., thiab tseem tuaj yeem vuam cov ntaub ntawv heterogeneous nrog cov txiaj ntsig zoo.
4. Tom qab lub laser tsom, lub zog ceev yog siab. Thaum vuam siab - cov khoom siv fais fab, qhov sib piv tuaj yeem ncav cuag 5: 1 thiab mus txog 10: 1.
5. Micro vuam yog ua tau. Tom qab lub laser beam tsom, nws tuaj yeem tau txais qhov chaw me me thiab tuaj yeem raug muab tso rau, yog li nws tuaj yeem siv tau.
Nws yog siv nyob rau hauv kev sib dhos thiab vuam ntawm micro thiab me me workpieces nyob rau hauv loj automated ntau lawm.
6. Nws tuaj yeem vuam qhov tsis tuaj yeem siv tau thiab siv tsis yog -xov tooj vuam, uas muaj qhov yooj yim heev. Tshwj xeeb tshaj yog nyob rau hauv xyoo tas los no, kho qhov muag fiber ntau kis tau tus mob technology tau saws nyob rau hauv YAG laser ua tshuab, uas tau enabled laser vuam tshuab kom dav thiab siv tau.
7. Lub laser beam tuaj yeem faib tau yooj yim hauv lub sijhawm thiab qhov chaw, ua rau tib lub sijhawm ntau -beam processing thiab multi-chaw nres tsheb ua, muab cov xwm txheej rau kev vuam ntau dua.
Txawm li cas los xij, laser vuam kuj muaj qee yam kev txwv:
1. Nws yuav tsum tau muaj kev sib dhos siab precision ntawm lub workpieces thiab hais tias txoj hauj lwm ntawm lub laser beam ntawm lub workpiece yuav tsis tau ho offset. Qhov no yog vim lub laser qhov chaw me me tom qab tsom, lub vuam seam yog nqaim, thiab muab cov khoom siv hlau ntxiv. Yog hais tias lub workpiece los ua ke precision los yog beam positioning precision tsis tau raws li qhov yuav tsum tau, vuam tsis xws luag yuav yooj yim tshwm sim.
2. Tus nqi ntawm cov lasers thiab cov tshuab muaj feem cuam tshuam yog qhov siab, uas ua rau muaj kev nqis peev loj loj.
