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Kajeno, hoo e batlang e le ho itšeha ka mokhoa o nepahetseng ka laser ea tšepe le litšepe tse se nang tšepe ho etsoa ho sebelisoa lisebelisoa tse nang le li-laser tsa fiber kapa li-ultrashort pulse (USP) lasers, kapa ka linako tse ling ka bobeli. le li-tubing tse feto-fetohang, ho sebelisa mechine e kenyelletsang lisebelisoa tsa fiber lasers.Motion Dynamics e etsa li-subassemblies, tse kang likopano tsa "pull wire" tse sebelisoang haholo-holo thutong ea methapo ea kutlo, ho sebelisa mochine o kenyelletsang laser ea USP femtosecond le e 'ngoe ea mekhoa ea morao-rao e nyalisitsoeng e kenyelletsang femtosecond le fiber lasers bakeng sa ho feto-fetoha ha maemo le Versa ho fetisisa.
Ka lilemo tse ngata, boholo ba laser micromachining e 'nile ea etsoa ho sebelisoa li-solid-state nanosecond lasers tse bitsoang DPSS lasers. meralo le matla a otlolohileng a matla a scalability.Sena se fella ka li-lasers tse nang le lik'hemik'hale, tse ka tšeptjoang haholo, le tse bonolo ho li kopanya mechine e khethehileng, 'me ka kakaretso li fana ka litšenyehelo tse tlaase tsa botho ho feta mefuta ea khale ea laser.Habohlokoa bakeng sa micromachining, sefate sa tlhahiso se ka lebisoa sebakeng se senyenyane, se hloekileng sa li-microns tse seng kae feela ka bophara, kahoo li loketse ho itšeha, ho phunya le ho otloloha haholo. e laoloang, e nang le litekanyetso tsa ho otla ho tloha ho thunngoa e le 'ngoe ho ea ho 170 kHz. Hammoho le matla a scalable, sena se tšehetsa ho itšeha ka potlako le ho phunya.
Leha ho le joalo, khaello e ka bang teng ea li-laser tsa fiber ho micromachining ke ho lokisa likarolo tse nyane le/kapa tse tšesaane, tse bonojoana. Nako e telele (mohlala, 50 µs) ea pulse durations e fella ka sebaka se senyenyane sa mocheso o amehang (HAZ) joalo ka thepa ea recast le bokhopo bo fokolang, bo ka hlokang laser post-processing. femtosecond output pulses-felisa bothata ba HAZ.
Ka li-laser tsa USP, boholo ba mocheso o eketsehileng o amanang le mokhoa oa ho itšeha kapa oa ho phunya o nkoa ka litšila tse nkiloeng pele o e-ba le nako ea ho hasana ka har'a lintho tse potolohileng.USP lasers e nang le picosecond output e 'nile ea sebelisoa ka nako e telele ho li-micromachining applications tse amanang le polasetiki, semiconductors, ceramics, le litšepe tse itseng (picoseconds = 10-pillars2 ea lisebelisoa tsa tšepe ea bobeli, empa lisebelisoa tsa tšepe tsa 10-2). conductivity e phahameng ea mocheso oa tšepe le boholo bo fokolang bo bolela hore lilase tsa picosecond ha se kamehla li fanang ka liphetho tse ntlafetseng tse neng li tla lokafatsa litšenyehelo tse ntseng li eketseha tsa li-laser tsa USP tsa pejana. Sena se fetohile ha ho fihla liindasteri tsa femtosecond lasers (femtosecond = 10-15 seconds) .Mohlala ke Coherent Inc. ho bolela hore ba ka khaola kapa ba phunya litšepe tsohle tse sebelisoang lisebelisoa tsa bongaka, ho akarelletsa le tšepe e sa hloekang, platinum, khauta, magnesium, cobalt-chromium, titanium, le tse ling, hammoho le tse se nang tšepe.
Ha e le hantle, hoo e ka bang ha ho motho indastering ea rona ea hlokang laser e le 'ngoe feela.Ho e-na le hoo, ba hloka mochine o thehiloeng ka laser,' me hona joale ho na le mechine e mengata e khethehileng e ntlafalitsoeng bakeng sa ho itšeha le ho cheka lisebelisoa tsa bongaka.Mohlala ke Coherent's StarCut Tube series, e ka sebelisoang ka li-fiber lasers, lasers femtosecond, kapa e le mofuta oa lebasetere o kenyelletsang mefuta e 'meli ea laser.
Ho tsebahatsa lisebelisoa tsa bongaka ho bolela'ng?Bongata ba lisebelisoa tsee li hlahisoa ka lihlopha tse fokolang tse thehiloeng ho mekhoa e tloaelehileng.Ka hona, ho feto-fetoha ha maemo le boiketlo ba tšebeliso ke lintlha tsa bohlokoa.Le hoja lisebelisoa tse ngata li etsoa ka li-billet, likarolo tse ling li tlameha ho etsoa ka mokhoa o nepahetseng ho tloha ho li-billet tse bataletseng; mochine o le mong o tlameha ho sebetsana le bobeli ho eketsa bohlokoa ba eona.Litlhoko tsena hangata li finyelloa ka ho fana ka tsamaiso ea li-multi-axis CNC e laoloang (xyz le rotary) le HMI e bonolo ea mosebedisi bakeng sa ho etsa mananeo a bonolo le taolo.Tabeng ea StarCut Tube, khetho e ncha ea ho kenya tube e tla le makasine ea ho kenya ka mahlakoreng (e bitsoang StarFeed) bakeng sa li-tubes ho fihlela ho 3 m ka ho feletseng ho lumella lihlahisoa tsa tlhahiso ea likoloi le lihlahisoa tse sehiloeng ka ho feletseng.
Ts'ebetso ea ho feto-fetoha ha mechine ena e ntlafatsoa ka ho eketsehileng ke tšehetso bakeng sa ho itšeha metsi le ho omella le li-nozzles tsa ho fana ka mokhoa o bonolo bakeng sa lits'ebetso tse hlokang thuso ea gas.Spatial resolution e boetse e le ea bohlokoa ka ho khetheha bakeng sa machining likarolo tse nyenyane haholo, e leng se bolelang hore botsitso ba thermomechanical bo felisa liphello tsa ho sisinyeha hangata ho kopana le mabenkeleng a mochine.The StarCut Tube range e kopana le tlhoko ena ka ho haha ​​palo e kholo ea granite ea ho itšeha.
Motokollo o mocha oa NPX ke moetsi oa konteraka e fanang ka moralo oa boqapi, boenjiniere le ho fana ka li-stent Renal, e leng lesapo, masapo, gynecological, and gastrointestinal opereishene. Sehahi sa eona se ka sehloohong sa laser ke StarCut Tube 2+2Â e nang le StarFiber 320FC e nang le matla a karolelano ea li-watts tse 200. Mike Brenzel, e mong oa bathehi ba NPX, o hlalositse hore "bathehi ba tlisa lilemo tsa moralo oa lisebelisoa tsa bongaka le phihlelo ea tlhahiso - lilemo tse fetang 90 tse nang le phihlelo ea "fiber" ea StarC, e nang le lilemo tse fetang 90 tsa "fiber" ea Star. Mosebetsi o kenyelletsa ho itšeha ha Nitinol 'me re se re ntse re tseba hore fiber lasers e ka fana ka lebelo le boleng boo re bo hlokang.Bakeng sa lisebelisoa tse kang li-tubes tse teteaneng le li-valve tsa pelo, re hloka lebelo,' me laser ea USP e ka 'na ea lieha haholo bakeng sa litlhoko tsa rona.Ho phaella ho litaelo tsa tlhahiso ea molumo o phahameng - re sebetsa ka ho khetheha likarolong tse nyenyane tsa likarolo - feela pakeng tsa 5 le likotoana tsa 150 - sepheo sa rona ke ho tlatsa lihlopha tsena tse nyenyane, ho hlophisa matsatsi a seng makae, ho kenyelletsa le ho fetola matsatsi a seng makae. ka mor'a ho sebetsa le ho hlahloba, ha ho bapisoa le libeke ka mor'a hore ho behoe taelo bakeng sa lik'hamphani tse kholoanyane.
Setšoantšo sa 2. NPX e fana ka mefuta e sa tšoaneng ea likhetho ka mor'a ho sebetsa.Thepa e bontšitsoeng mona ke T316 tšepe e sa hloekang e nang le 5mm OD le 0.254mm lerako le botenya. Karolo e ka letsohong le letšehali e khaola / microblasted mme karolo e nepahetseng ke electropolished.
Ntle le likarolo tsa nitinol, k'hamphani e boetse e sebelisa haholo li-alloys tsa cobalt-chromium, li-alloys tsa tantalum, li-alloys tsa titanium le mefuta e mengata ea litšepe tse sa hloekang tsa bongaka. Tse ling tsa li-tubes tsena li na le 0.012 ″ ID, 'me tekanyo e phahameng ea matla ho ea ho matla a mahareng a li-laser tsa morao-rao li eketsa lebelo la rona la ho itšeha ha re ntse re fana ka boleng bo lakatsehang.
Ntle le ho itšeha ka nepo le karabelo e potlakileng, NPX e boetse e fana ka mefuta e felletseng ea mahlale a morao-rao, hammoho le lits'ebeletso tse felletseng tsa meralo tse phahamisang boiphihlelo ba eona bo pharalletseng indastering. Mekhoa ena e kenyelletsa electropolishing, sandblasting, pickling, laser welding, setting ea mocheso, ho theha, passivation, liteko tsa mocheso oa Af le tlhahlobo ea mokhathala, tseo kaofela e leng senotlolo sa ho laola lesela la NiUtinol. Qetello, Brenzel o itse, "hangata ho itšetlehile ka hore na re bua ka kopo ea mokhathala o phahameng kapa mokhathala o fokolang. Ka mohlala, karolo e nang le mokhathala o phahameng joaloka valve ea pelo e ka 'na ea kobeha ka makhetlo a limilione tse sekete bophelong ba eona e le mokhoa oa ho sebetsa ka mor'a ho sebetsa E le mohato, ke habohlokoa ho sebelisa sandblasting ho eketsa radius ea likarolo tsohle. Mabapi le tsebo ea boqapi, Brenzel oa hlalosa, hona joale ho na le bareki ba ka bang Likarolo tse tharo tsa bareki le bona ba sebelisa litšebeletso tsa bona tsa meralo ho nka monyetla ka thuso le litsebo tsa NPX ho fumana tumello ea FDA.Khamphani e ntle haholo ho fetola mohopolo oa "napkin sketch" sehlahisoa ka mokhoa oa ho qetela ka nako e khuts'oane.
Motion Dynamics (Fruitport, MI) ke moetsi oa liliba tse tloahelehileng, likhoele tsa bongaka le likopano tsa terata tseo sepheo sa tsona e leng ho rarolla mathata a bareki, ho sa tsotelehe hore na ho thata hakae kapa ho bonahala ho le thata hakae, ka nako e khuts'oane e ka khonehang. likopano.
Joalokaha ho boletsoe pejana, khetho ea fiber kapa USP laser ke taba ea khetho ea boenjiniere hammoho le mofuta oa lisebelisoa le lits'ebetso tse tšehetsoeng.Chris Witham, Mopresidente oa Motion Dynamics, o hlalositse: "Ho ipapisitse le mohlala oa khoebo o tsepamisitseng maikutlo haholo ho lihlahisoa tsa methapo ea kutlo, re ka fana ka liphetho tse fapaneng moralong, ts'ebetsong le ts'ebeletso. Re fumane hore boholo ba laser cuts eo re e etsang e etsoa hantle ka li-laser tsa USP, 'me ke qetile lilemo tse ngata ke sebelisa StarCut Tube ka e' ngoe ea li-lasers tsena, re na le lichifi tse peli tsa lihora tse 8 ka letsatsi, 'me ka nako e 'ngoe re hloka ho fumana tšehetso e 'ngoe ea mefuta e mecha e nyalisitsoeng ea li-laser tsa USP tsa femtosecond le fiber lasers Re boetse re e kopantse le StarFeed loader/unloader e le hore re khone ho itšeha ka botlalo - opereishene e beha feela e se nang letho The tube e kenngoa ka har'a sesebelisoa mme lenaneo la ts'ebetso ea software le qala.
Setšoantšo sa 3. Tube ena e tenyetsehang ea tšepe e sa hloekang (e bontšitsoeng haufi le raba ea pentšele) e sehiloe ka laser ea Monaco femtosecond.
Witham o phaella ka hore le hoja ka linako tse ling ba sebelisa mochine bakeng sa ho itšeha sephara, karolo e fetang 95 lekholong ea nako ea bona e sebelisoa ho theha kapa ho fetola lihlahisoa tsa cylindrical bakeng sa likopano tsa bona tsa catheter, e leng li-hypotubes, coils le spirals, ho kenyelletsa le malebela a ho itšeha le ho khaola likoti. tšepe e sa hloekang, khauta e hloekileng, platinum le nitinol.
Setšoantšo sa 4. Motion Dynamics e boetse e sebelisa laser welding haholo.Ka holimo, khoele e kentsoe ho "laser cut tube".
Likhetho tsa laser ke life?Witham o hlalositse hore boleng bo botle bo botle le li-kerfs tse nyane li bohlokoa haholo bakeng sa likarolo tsa tsona tse ngata, kahoo qalong ba ne ba rata USP lasers. Ho feta moo, ha ho lisebelisoa tse sebelisoang ke k'hamphani e ka sehiloeng ke e 'ngoe ea li-lasers tsena, ho kenyelletsa le likaroloana tse nyane tsa khauta tse sebelisoang e le matšoao a radiopaque lihlahisoa tse ling tsa eona. "Ha ho pelaelo hore fiber optics e ka fana ka lebelo le phahameng," o ile a re. "Empa ka lebaka la ts'ebeliso ea rona e khethehileng, hangata sena se bolela mofuta o itseng oa ho sebetsa ka morao, joalo ka ho hloekisa lik'hemik'hale le ultrasonic kapa electropolishing. Kahoo ho ba le mochine o kopanyang o re lumella ho khetha mokhoa ofe ka kakaretso - USP feela kapa fiber le post-processing Handling - Optimum bakeng sa karolo ka 'ngoe. 'me botenya ba lebota boa ameha: esita le ho itšeha ka potlako ka lasers ea fiber, Ebe u sebelisa laser ea femtosecond bakeng sa ho itšeha hantle. O lebelletse hore laser ea USP e tla lula e le khetho ea bona ea pele hobane boholo ba likhahla tsa laser tsa bona li kenyelletsa botenya ba marako pakeng tsa 4 le 6 uena, leha ba kopana le botenya ba marako ho tloha ho 1-20 you. Lipeipi tsa tšepe tse sa hloekang pakeng tsa hao.
Qetellong, ho itšeha ka laser le ho cheka ke mekhoa ea bohlokoa ha ho etsoa lisebelisoa tse sa tšoaneng tsa bongaka.Kajeno, ka lebaka la tsoelo-pele ea theknoloji ea laser ea mantlha le mechine e ntlafalitsoeng haholo e lokiselitsoeng litlhoko tse khethehileng tsa indasteri, mekhoa ena e bonolo ho e sebelisa le ho fana ka liphello tse molemo ho feta leha e le neng pele.