Lub vev xaib no yog ua haujlwm los ntawm ib lossis ntau lub lag luam uas muaj los ntawm Informa PLC thiab tag nrho cov kev cai lij choj yog los ntawm lawv.Lub chaw haujlwm sau npe ntawm Informa PLC yog 5 Howick Place, London SW1P 1WG.Registered in England thiab Wales.No.8860726 ib.
Niaj hnub no, yuav luag tag nrho cov precision laser txiav ntawm cov hlau thiab cov hlau tsis yog siv cov cuab yeej nruab nrog fiber ntau lasers los yog ultrashort pulse (USP) lasers, los yog qee zaum ob qho tib si.Nyob rau hauv tsab xov xwm no, peb yuav piav qhia txog qhov sib txawv ntawm ob lub lasers thiab saib seb ob lub tuam txhab siv cov lasers no li cas.NPX Medical (Plymouth, MN) yog ib daim ntawv cog lus tshwj xeeb ua lub tuam txhab uas tsim cov khoom siv ntau yam, cov cuab yeej siv, thiab delection. cov tshuab uas suav nrog fiber ntau lasers.Motion Dynamics manufactures subassemblies, xws li "rub xaim" cov rooj sib txoos feem ntau siv hauv kev kho mob paj hlwb, siv lub tshuab uas suav nrog USP femtosecond laser thiab ib qho ntawm cov tshuab hybrid tshiab suav nrog femtosecond thiab fiber ntau lasers rau qhov siab tshaj plaws yooj thiab Versatility.
Tau ntau xyoo, feem ntau laser micromachining tau ua los ntawm cov khoom siv-state nanosecond lasers hu ua DPSS lasers.Txawm li cas los xij, tam sim no tau hloov tag nrho ua tsaug rau txoj kev loj hlob ntawm ob qho tib si sib txawv, thiab yog li ua tiav, laser hom.Originally tsim rau kev sib txuas lus, fiber ntau lasers tau matured rau hauv workhorse cov ntaub ntawv ua lasers nyob rau hauv ntau yam industries. Lub zog scalability.Qhov no ua rau cov lasers compact, txhim khu kev qha, thiab yooj yim rau kev sib koom ua ke rau hauv cov tshuab tshwj xeeb, thiab feem ntau muab tus nqi qis ntawm cov tswv cuab ntau dua li qub laser hom.Ib qho tseem ceeb rau micromachining, cov kab hluav taws xob tso tawm tuaj yeem tsom mus rau hauv ib qho me me, huv si ntawm ob peb microns hauv txoj kab uas hla, yog li lawv yog qhov zoo tagnrho rau high-resolution txiav txiav thiab irlding, irlding npaum li cas. xws li los ntawm ib qho txhaj tshuaj mus rau 170 kHz.All nrog scalable zog, qhov no txhawb ceev txiav thiab drilling.
Txawm li cas los xij, qhov tsis zoo ntawm fiber ntau lasers hauv micromachining yog lub machining ntawm cov yam ntxwv me me thiab/lossis nyias, ilv qhov chaw.Long (xws li, 50 µs) pulse durations ua rau me me ntawm tshav kub cuam tshuam cheeb tsam (HAZ) xws li cov khoom siv rov ua dua thiab me me ntug roughness, uas tej zaum yuav xav tau qee qhov kev ua haujlwm tom qab.Zoo zoo, newer pulse pulse-from US lasers (piv txwv li, pulses). tshem tawm qhov teeb meem HAZ.
Nrog USP lasers, feem ntau ntawm cov cua sov ntxiv cuam tshuam nrog kev txiav los yog drilling txheej txheem yog nqa tawm hauv cov khib nyiab ejected ua ntej nws muaj sij hawm mus rau hauv cov khoom nyob ib puag ncig.USP lasers nrog picosecond tso zis tau ntev tau siv nyob rau hauv micromachining daim ntaub ntawv uas muaj xws li plastics, semiconductors, ceramics, thiab tej yam hlau (picoseconds = 10-12 vib nas this ntawm cov hlau thiab cov khoom siv hluav taws xob ntawm tib neeg). Qhov me me txhais tau hais tias picosecond lasers tsis tas yuav muab cov txiaj ntsig zoo dua uas yuav ua kom pom tseeb tus nqi nce ntawm USP lasers ua ntej.Qhov no tau hloov pauv nrog rau qhov tshwm sim ntawm qib femtosecond lasers (femtosecond = 10-15 vib nas this).Ib qho piv txwv yog Coherent Inc.'s Monaco series ntawm lasers.zoo li fiber ntau lasers, lawv cov khoom siv hluav taws xob muaj peev xwm nyob ze, xws li cov khoom siv hluav taws xob los yog cov khoom siv hluav taws xob. stainless hlau, platinum, kub, magnesium, cobalt-chromium, titanium, thiab lwm yam, nrog rau cov hlau tsis muaj hlau.Thaum kev sib xyaw ua ke ntawm cov mem tes luv luv thiab tsis tshua muaj zog mem tes tiv thaiv thermal puas (HAZ), qhov siab (MHz) rov ua kom muaj txiaj ntsig los ntawm kev nrawm rau ntau cov khoom siv kho mob siab.
Yog lawm, yuav luag tsis muaj leej twg nyob hauv peb txoj kev lag luam xav tau ib lub laser xwb.Xwb, lawv xav tau lub tshuab laser, thiab tam sim no muaj ntau lub tshuab tshwj xeeb zoo rau kev txiav thiab drilling cov khoom siv kho mob.Ib qho piv txwv yog Coherent's StarCut Tube series, uas tuaj yeem siv nrog fiber ntau lasers, femtosecond lasers, los yog hybrid version incorporating ob hom laser.
Cov cuab yeej kho mob tshwj xeeb txhais tau li cas?Feem ntau ntawm cov cuab yeej no yog tsim los ntawm cov khoom siv tsawg raws li kev cai tsim.Yog li ntawd, kev yooj yim thiab yooj yim ntawm kev siv yog qhov tseem ceeb ntawm kev txiav txim siab.Thaum ntau cov cuab yeej tsim los ntawm billets, qee cov khoom yuav tsum precision machined los ntawm pav ca billets;tib lub tshuab yuav tsum tau ua ob qho tib si kom ua kom nws muaj nuj nqis.Cov kev xav tau no feem ntau tau ntsib los ntawm kev muab ntau lub axis CNC tswj (xyz thiab teb) cov lus tsa suab thiab cov neeg siv-phooj ywg HMI rau kev ua haujlwm yooj yim thiab kev tswj xyuas.In the case of StarCut Tube, lub raj tshiab loading module xaiv los nrog ib sab loading magazine (hu ua StarFeed) rau cov raj mus txog 3 mter rau cov khoom siv ntev thiab kev txiav.
Cov txheej txheem yooj yooj yim ntawm cov tshuab no ntxiv txhim kho los ntawm kev txhawb nqa rau ntub thiab qhuav txiav thiab kho tau yooj yim me me nozzles rau cov txheej txheem xav tau kev pab roj.Spatial kev daws teeb meem kuj tseem ceeb tshwj xeeb rau kev ua haujlwm me me, uas txhais tau hais tias thermomechanical stability tshem tawm cov teebmeem ntawm kev vibration feem ntau ntsib hauv cov khw muag khoom.The StarCut Tube ntau yam ua tau raws li qhov xav tau no los ntawm kev tsim cov lej loj ntawm cov khoom siv.
NPX Kev Kho Mob yog cov chaw tsim khoom lag luam cog lus ncaj ncees muab kev tsim, engineering thiab precision laser txiav cov kev pabcuam rau cov cuab yeej siv kho mob.Founded hauv 2019, lub tuam txhab tau tsim lub koob npe nrov hauv kev lag luam rau cov khoom zoo thiab kev ua haujlwm, txhawb ntau yam khoom siv xws li stents, cog, valve stents thiab hloov tau yooj yim rau cov khoom siv sib txawv xws li cov txheej txheem phais kev phais, kev cuam tshuam, kev cuam tshuam, thiab lwm yam. , thiab kev phais plab hnyuv.Nws lub ntsiab laser cutter yog StarCut Tube 2 + 2Â nrog StarFiber 320FC nrog lub zog nruab nrab ntawm 200 watts.Mike Brenzel, ib qho ntawm NPX tus tsim, piav qhia tias "cov founders coj xyoo ntawm cov cuab yeej kho mob tsim thiab tsim kev paub - ntau tshaj 90 xyoo ntawm kev siv lub tshuab fiber ntau hauv StarC. " thiab peb twb paub lawm tias fiber ntau lasers tuaj yeem muab qhov ceev thiab zoo peb xav tau.Rau cov khoom xws li tuab-walled hlab thiab lub plawv li qub, peb xav tau kev ceev, thiab USP laser tej zaum yuav qeeb dhau rau peb cov kev xav tau. Ntxiv rau qhov ntim ntau lawm txiav txim - peb tshwj xeeb hauv cov khoom me me - tsuas yog nruab nrab ntawm 5 thiab 150 daim - peb lub hom phiaj yog ua kom tiav cov khoom me me no nrog rau kev tsim, ob peb hnub, kev tsim thiab kev tsim. lub lis piam tom qab ib qho kev txiav txim tau muab tso rau cov tuam txhab loj. "Ntxiv rau kev hais txog kev ceev, Brenzel tau hais txog kev ntseeg siab ntawm lub tshuab ua qhov zoo tshaj plaws, tsis tas yuav tsum muaj ib qho kev pabcuam hu rau 18 lub hlis dhau los ntawm kev ua haujlwm tsis tu ncua.
Daim duab 2. NPX muaj ntau yam kev xaiv tom qab ua tiav.Cov khoom qhia ntawm no yog T316 stainless hlau nrog 5mm OD thiab 0.254mm phab ntsa thickness.Qhov sab laug yog txiav / microblasted thiab sab xis yog electropolished.
Ntxiv rau qhov chaw nitinol, lub tuam txhab kuj tseem siv ntau yam ntawm cobalt-chromium alloys, tantalum alloys, titanium alloys thiab ntau hom kev kho mob stainless hlaus.Jeff Hansen, Laser Processing Manager, piav qhia: "Machine flexibility yog lwm yam khoom muaj nqis tseem ceeb, tso cai rau peb los txhawb kev txiav ntau yam ntawm cov ntaub ntawv, nrog rau cov raj thiab tiaj tus.Peb tuaj yeem tsom cov nqaj mus rau qhov chaw 20-micron, uas muaj txiaj ntsig zoo rau ntau cov raj nyias nyias muaj txiaj ntsig zoo heev.Qee qhov ntawm cov hlab no tsuas yog 0.012 "ID, thiab qhov sib piv siab ntawm lub zog siab tshaj plaws rau nruab nrab lub zog ntawm cov fiber ntau lasers kawg ua rau peb txiav ceev thaum tseem muab qhov xav tau ntug zoo.Peb xav tau qhov ceev ntawm cov khoom loj nrog rau sab nraud txoj kab uas hla mus txog 1 nti. "
Ntxiv rau qhov txiav txiav thiab cov lus teb ceev ceev, NPX tseem muaj ntau yam kev siv thev naus laus zis, nrog rau cov kev pabcuam tsim qauv uas siv nws cov kev paub dhau los hauv kev lag luam.Cov txheej txheem no suav nrog electropolishing, sandblasting, pickling, laser vuam, cua sov teeb, sib sau, passivation, Af temperature testing, thiab fatigue edge testing, tag nrho cov txheej txheem ntawm kev ua tiav cov ntaub ntawv. renzel tau hais tias, "feem ntau yog nyob ntawm seb peb tab tom tham txog daim ntawv thov qaug zog lossis qaug zog qis.Piv txwv li, ib qho kev qaug zog siab zoo li lub plawv valve yuav khoov ib billion npaug ntawm nws lub neej raws li kev ua haujlwm tom qab ua ib kauj ruam, nws yog ib qho tseem ceeb uas yuav tau siv sandblasting kom nce lub vojvoog ntawm txhua tus ntug.Tab sis cov khoom uas tsis tshua muaj zog xws li kev xa khoom lossis cov ntawv qhia feem ntau tsis tas yuav ua tiav tom qab kev ua tiav. "Hais txog kev tsim txuj ci, Brenzel piav qhia, tam sim no muaj ntau li peb-plaub ntawm cov neeg siv khoom siv lawv cov kev pabcuam tsim los ua kom zoo dua ntawm NPX cov kev pabcuam thiab kev txawj ntse hauv kev tau txais FDA pom zoo.Lub tuam txhab zoo heev ntawm kev tig lub tswvyim "paj ntaub so ntswg" rau hauv cov khoom hauv nws daim ntawv kawg hauv lub sijhawm luv luv.
Motion Dynamics (Fruitport, MI) yog cov chaw tsim khoom ntawm kev cai me me springs, kho mob coils thiab hlau sib dhos uas nws lub luag haujlwm yog los daws cov teeb meem ntawm cov neeg siv khoom, txawm tias nyuaj npaum li cas los yog zoo li tsis yooj yim sua, nyob rau lub sijhawm luv tshaj plaws tau.
Raws li tau hais dhau los, kev xaiv ntawm fiber ntau lossis USP laser yog ib qho teeb meem ntawm engineering nyiam nrog rau hom khoom siv thiab cov txheej txheem txhawb nqa.Chris Witham, Thawj Tswj Hwm ntawm Motion Dynamics, piav qhia: "Raws li tus qauv kev lag luam uas tsom rau cov khoom lag luam neurovascular, peb tuaj yeem xa cov txiaj ntsig sib txawv hauv kev tsim, kev ua haujlwm thiab kev pabcuam.Peb tsuas yog siv laser txiav los tsim cov khoom peb siv hauv tsev., los tsim cov khoom muaj nqis, "nyuaj" cov khoom uas tau dhau los ua peb qhov tshwj xeeb thiab lub koob npe nrov;peb tsis muab laser txiav raws li kev cog lus kev pabcuam.Peb tau pom tias feem ntau cov laser txiav peb ua tau zoo tshaj plaws nrog USP lasers, thiab tau ntau xyoo kuv tau siv StarCut Tube nrog ib qho ntawm cov lasers.Vim tias qhov kev thov muaj zog rau peb cov khoom, peb muaj ob 8 teev ua haujlwm ib hnub, qee zaum txawm tias peb hloov, thiab hauv 2019 peb yuav tsum tau txais lwm StarCut Tube los txhawb qhov Kev Loj Hlob no.Tab sis lub sij hawm no, peb txiav txim siab mus nrog ib tug tshiab hybrid qauv ntawm femtosecond USP lasers thiab fiber ntau lasers.Peb kuj tau ua ke nrog StarFeed loader / unloader kom peb tuaj yeem ua tiav qhov kev txiav - tus neeg teb xov tooj tsuas yog muab lub raj tso rau hauv lub feeder thiab cov software ua haujlwm rau cov khoom pib.
Daim duab 3. Qhov no hloov tau stainless hlau xa tub raj (pom nyob ib sab ntawm lub cwj mem lwv) tau raug txiav nrog Monaco femtosecond laser.
Witham ntxiv tias thaum lawv qee zaus siv lub tshuab rau kev txiav tiaj tus, ntau dua 95 feem pua ​​​​ntawm lawv lub sijhawm yog siv los tsim lossis hloov cov khoom siv cylindrical rau lawv cov steerable catheter sib dhos, uas yog hypotubes, coils thiab spirals, suav nrog cov lus qhia txiav profiled thiab txiav qhov.Cov khoom no thaum kawg siv cov txheej txheem xws li kho aneurysm thiab thrombus ntawm cov hlau tsis huv. atinum thiab nitinol.
Daim duab 4. Motion Dynamics kuj siv laser welding feem ntau.Saum toj no, lub kauj tau welded rau lub laser txiav raj.
Cov kev xaiv laser yog dab tsi?Witham piav qhia tias qhov zoo tshaj plaws ntug zoo thiab tsawg kerfs yog qhov tseem ceeb rau feem ntau ntawm lawv cov khoom, yog li lawv pib nyiam USP lasers. Tsis tas li ntawd, tsis muaj ib qho ntawm cov ntaub ntawv uas lub tuam txhab siv tuaj yeem txiav los ntawm ib qho ntawm cov lasers, suav nrog cov khoom kub me me uas siv los ua radiopaque markers nyob rau hauv qee yam ntawm nws cov khoom.Tab sis nws ntxiv hais tias cov kev xaiv tshiab hybrid zoo dua, thiab cov khoom siv fiber ntau hauv US. Nws tsis muaj qhov tsis ntseeg tias fiber ntau optics tuaj yeem muab kev nrawm dua, "Tab sis vim yog peb qhov kev thov tshwj xeeb, qhov no feem ntau txhais tau tias qee hom kev ua haujlwm tom qab, xws li tshuaj lom neeg thiab ultrasonic tu lossis electropolishing.Yog li muaj lub tshuab hybrid tso cai rau peb xaiv cov txheej txheem tag nrho - USP ib leeg lossis fiber ntau thiab tom qab ua tiav - Qhov zoo tshaj plaws rau txhua yam.Nws tso cai rau peb los tshawb txog qhov muaj peev xwm ntawm hybrid machining ntawm tib lub ntsiab lus, tshwj xeeb tshaj yog qhov loj dua diameters thiab phab ntsa thicknesses koom nrog: txawm tias ceev txiav nrog fiber ntau lasers, Tom qab ntawd siv lub femtosecond laser rau kev txiav zoo. "Nws cia siab tias USP laser yuav nyob twj ywm lawv thawj qhov kev xaiv vim tias feem ntau ntawm lawv cov laser txiav cuam tshuam nrog phab ntsa thicknesses ntawm 4 thiab 6 thou, txawm hais tias lawv ntsib phab ntsa thickness ntawm 1-20 thou.Stainless hlau kav ntawm koj.
Hauv kev xaus, laser txiav thiab drilling yog cov txheej txheem tseem ceeb hauv kev tsim khoom ntawm ntau yam khoom siv kho mob.Hnub no, ua tsaug rau kev nce qib hauv cov tub ntxhais laser thev naus laus zis thiab cov tshuab ua kom zoo tshaj plaws tau teeb tsa rau cov kev xav tau tshwj xeeb ntawm kev lag luam, cov txheej txheem no yooj yim rau kev siv thiab xa cov txiaj ntsig zoo dua qub.