Nzvimbo iyi yepadandemutande inoshandiswa nebhizimisi rimwechete kana akawanda eveInforma PLC uye kodzero dzose ndedzavo. Hofisi yakanyoreswa yeInforma PLC ndeye 5 Howick Place, London SW1P 1WG.Yakanyoreswa kuEngland neWales. 8860726.
Nhasi, dzinenge dzese dzakanyatsocheka laser kucheka simbi uye dzisiri simbi dzinoitwa pachishandiswa maturusi ane faibha lasers kana ultrashort pulse (USP) lasers, kana dzimwe nguva zvese zviri zviviri.Muchinyorwa chino, tichatsanangura zvakanakira zvakasiyana zvema lasers maviri uye kuona kuti vese vanogadzira vanoshandisa sei lasers idzi.NPX Medical (Plymouth, MN) ichibvumirano chehunyanzvi hwekugadziridza maturusi, inogadzira hunyanzvi hwekugadzira maturusi emakambani, inogadzira uye inogadzira maturusi akasiyana siyana, inogadzira uye inogadzirwa uye flexible tubing, kushandisa michina inobatanidza fiber lasers.Motion Dynamics inogadzira subassemblies, yakadai se "pull wire" magungano anonyanya kushandiswa muhutano hwepfungwa, kushandisa muchina unosanganisira USP femtosecond laser uye imwe yeazvino ma hybrid masisitimu anosanganisira femtosecond uye fiber lasers kune yakanyanya kuchinjika uye Versa kuchinjika.
Kwemakore akawanda, akawanda laser micromachining akaitwa pachishandiswa solid-state nanosecond lasers anonzi DPSS lasers.Zvisinei, izvi zvachinja zvachose nekuda kwekuvandudzwa kwemhando mbiri dzakasiyana, uye nekudaro dzinopindirana, mhando dzelaser.Pakutanga dzakagadzirirwa kufambiswa kwemashoko, fiber lasers yakura kuita workhorse materials processing lasers mumaindasitiri mazhinji, kazhinji ari pedyo nebudiriro. architecture uye yakatwasuka simba scalability.Izvi zvinoguma lasers ari compact, akavimbika zvikuru, uye nyore kubatanidza muunyanzvi michina, uye kazhinji kupa yakaderera mutengo varidzi kupfuura yekare laser types.Importantly nokuda micromachining, inobuda danda inogona kutariswa mune diki, yakachena nzvimbo chete microns mashoma dhayamita, saka vari akakodzera kucheka yakakwirira-reso uye flexical kucheka zvikuru kudhirowa, The flexibility kucheka zvakare. inodzoreka, ine pulse rates kubva kupfuti imwe kusvika ku170 kHz. Pamwe chete nesimba rinoputika, izvi zvinotsigira kucheka nekukurumidza nekuchera.
Zvisinei, kukanganisa kunogona kuitika kwefiber lasers mu micromachining ndiko kugadzirwa kwezvinhu zvidiki uye/kana zvitete, zvakatetepa zvikamu.Nguva refu (eg, 50 µs) pulse durations inoguma nechikamu chidiki chekupisa chakakanganisika nzvimbo (HAZ) senge recast zvinhu uye diki kumucheto roughness, izvo zvingada imwe post-processing. femtosecond output pulses-bvisa dambudziko reHAZ.
Ne USP lasers, yakawanda yekuwedzera kupisa kunobatanidza nekucheka kana kuchera maitiro kunotakurwa mumarara akadzingwa asati awana nguva yekupararira mukati mezvinhu zvakapoteredza.USP lasers ine picosecond output yakashandiswa kwenguva refu mu micromachining applications zvinosanganisira mapurasitiki, semiconductors, ceramics, uye mamwe masimbi (picoseconds = 10-pillars yesimbi ye2, simbi yechipiri yezvigadzirwa zvesimbi 10-1 simbi . Kupisa kwesimbi kwepamusoro uye saizi diki zvinoreva kuti mapicosecond lasers haawanzo kupa mhedzisiro yakavandudzwa iyo inoruramisa yakawedzera mutengo wekare USP lasers.Izvi zvachinja nekuuya kwemaindasitiri egiredhi femtosecond lasers (femtosecond = 10-15 masekondi).Muenzaniso iCoherent Inc. zvinoreva kuti vanokwanisa kutema kana kuchera masaga ese anoshandiswa mumidziyo yekurapa, kusanganisira simbi isina simba. "
Ehe, anenge hapana muindasitiri yedu anoda laser imwe chete.Panzvimbo, ivo vanoda laser-based muchina, uye ikozvino kune michina yakawanda yakasarudzika yakagadziridzwa yekucheka nekuchera michina yekurapa.Muenzaniso ndeye Coherent's StarCut Tube series, iyo inogona kushandiswa nefiber lasers, femtosecond lasers, kana seyakasanganiswa vhezheni inobatanidza ese ari maviri laser marudzi.
Chii chinorehwa nehunyanzvi hwekushandisa zvekurapa? Zvizhinji zvezvishandiso izvi zvinogadzirwa mune mashoma mabheji zvichienderana neyakajairwa magadzirirwo.Naizvozvo, kuchinjika uye nyore kushandisa ndizvo zvakakosha kufunga.Kunyange zvazvo michina yakawanda ichigadzirwa kubva kumabhillet, zvimwe zvikamu zvinofanirwa kunge zvakanyatsogadzirwa kubva kumabheti akafurati; muchina mumwe chete unofanirwa kubata zvose kuti uwedzere kukosha kwayo.Izvi zvinodiwa zvinowanzosangana nekupa multi-axis CNC inotungamirirwa (xyz uye rotary) kufamba uye kushandiswa kwevashandisi HMI nokuda kwepurogiramu yakapusa uye kutonga.Munyaya ye StarCut Tube, imwe itsva tube loading module sarudzo inouya nedivi rekurodha magazini (inonzi StarFeed) yechubhu kusvika ku 3 m inobvumira kugadzirwa kweatomatiki.
Iyo nzira yekuchinjika yemashini iyi inowedzerwa nekutsigirwa kwekunyorova uye kwakaoma kucheka uye nyore kuchinjika kuendesa nozzles kune maitiro anoda kubatsira gasi.Spatial resolution inonyanya kukosha kune machining madiki madiki, izvo zvinoreva kuti thermomechanical kugadzikana kunobvisa mhedzisiro yekudengenyeka kunowanzo sangana mumashopu emuchina.The StarCut Tube range inosangana nechido ichi nekuvaka nhamba huru yekucheka granite.
NPX Medical inyanzvi itsva yekugadzira chibvumirano inopa dhizaini, engineering uye precision laser yekucheka masevhisi kune vagadziri vemidziyo yekurapa. Yakatangwa mu2019, kambani yakavaka mukurumbira muindasitiri yezvigadzirwa zvemhando yepamusoro uye inopindura, inotsigira zvakasiyana siyana zvemidziyo zvinosanganisira stents, implants, valve stents uye flexible delivery tubes for the same diverse diversary procedures, spinal interventions, spinal or vascular interventions. gynecological, uye gastrointestinal surgery.Iyo huru laser cutter ndiyo StarCut Tube 2+2Â ine StarFiber 320FC ine avhareji simba re200 watts.Mike Brenzel, mumwe wevatangi veNPX, akatsanangura kuti "vakatanga vanounza makore ekugadzirwa kwemidziyo yekurapa uye ruzivo rwekugadzira - anopfuura makore makumi mapfumbamwe eruzivo rweClaser yakawanda, ane ruzivo rwakapfuura rweClaser. Basa rinosanganisira kucheka kweNitinol uye isu tagara tichiziva kuti fiber lasers inogona kupa kukurumidza uye hunhu hwatinoda.Kumidziyo yakaita semachubhu ane madziro akakora uye mavharuvhu emwoyo, tinoda kukurumidza, uye USP laser inogona kunonoka kune zvatinoda.Pamusoro pemirairo yekugadzira vhoriyamu yakakura - isu tinoshanda muzvikamu zvidiki zvezvikamu - pakati pe5 ne150 zvidimbu - chinangwa chedu ndechekupedzisa aya mabhechi madiki, dhizaini mazuva mashoma, dhizaini. mushure mekugadzirisa nekuongorora, zvichienzaniswa nemavhiki mushure mekunge odha yaiswa kumakambani makuru.
Mufananidzo 2. NPX inopa zvakasiyana-siyana zvemashure ekugadzirisa.Nyero inoratidzwa pano iT316 simbi isina tsvina ine 5mm OD uye 0.254mm rusvingo rwemadziro.Ruboshwe rwakatemwa / microblasted uye chikamu chekurudyi chinonzi electropolished.
Pamusoro pezvikamu zve nitinol, kambani inoshandisa zvakanyanya cobalt-chromium alloys, tantalum alloys, titanium alloys nemhando dzakawanda dzesimbi isina tsvina yezvokurapa.Jeff Hansen, Laser Processing Manager, anotsanangura kuti: "Kuchinja kwemuchina chimwe chinhu chakakosha, chinotibvumira kutsigira kucheka kwemhando dzakasiyana-siyana dzezvinhu, kusanganisira chubhu uye furati. anobatsira kune mamwe machubhu akaonda anobatsira zvakanyanya
Pamusoro pekucheka kwakaringana uye nekupindura nekukurumidza, NPX inopawo huwandu hwakazara hwemashure ekugadzirisa matekinoroji, pamwe neakazara dhizaini masevhisi anowedzera ruzivo rwayo muindasitiri. Matanho aya anosanganisira electropolishing, sandblasting, pickling, laser welding, kugadzika kwekushisa, kuumba, passivation, Af tembiricha kuyedzwa, uye kuneta kuyedzwa, zvese zviri izvo zvakakosha kudzora machira eNitinol. kupedza, Brenzel akati, "kazhinji zvinoenderana nokuti tiri kutaura pamusoro pekuneta-kuneta kana kuderera-kuneta kwekushanda. Somuenzaniso, chikamu chekuneta chakaita sevhavha yemwoyo inogona kukotama bhiriyoni pamusoro pehupenyu hwayo se post-processing Sedanho, zvakakosha kushandisa sandblasting kuti uwedzere radius yemativi ose. Asi pasi-kuneta-kuneta kwepamusoro-soro kunoda zvidimbu zvepasi-kuneta-zvinoda magadzirirwo ekutumira zvakanyanya. Panyaya yehunyanzvi hwekugadzira, Brenzel anotsanangura, ikozvino kune vakawanda seVatatu-vatatu vevatengi vanoshandisawo masevhisi avo ekugadzira kutora mukana werubatsiro rweNPX uye hunyanzvi pakuwana mvumo yeFDA.Kambani iyi yakanaka kwazvo pakushandura pfungwa ye "napkin sketch" kuita chigadzirwa muchimiro chayo chekupedzisira munguva pfupi.
Motion Dynamics (Fruitport, MI) inogadzira zvitubu zvidiki, makoiri ekurapa uye magungano ewaya ane chinangwa chekugadzirisa matambudziko evatengi, zvisinei kuti zvakaoma sei kana zvinoita sezvisingagoneke, munguva pfupi inogoneka. maassemblies.
Sezvambotaurwa, kusarudzwa kwefiber kana USP laser inyaya yeinjiniya inofarira pamwe nemhando yemidziyo uye maitiro anotsigirwa.Chris Witham, Mutungamiriri weMotion Dynamics, akatsanangura: "Zvichienderana nemuenzaniso webhizinesi wakanyanya kutariswa pane zvigadzirwa zveurourovascular, tinokwanisa kuunza mhedzisiro yakasiyana mukugadzira, kuuraya uye sevhisi. Isu tinongoshandisa laser kucheka kugadzira izvo zvatinoshandisa mukati meimba, izvo zvave zvakakwirira, izvo zvinova zvinhu zvakakwirira. hunyanzvi nemukurumbira; isu hatipe laser yekucheka sevhisi yekontrakiti Isu takaona kuti kugera kwakawanda kwatinoita kunoitwa zvakanyanya neUSP lasers, uye kwemakore mazhinji ndanga ndichishandisa StarCut Tube neimwe yeaya lasers Nekuda kwekuda kwakasimba kwezvigadzirwa zvedu, tine maviri mashifiti emaawa masere pazuva, dzimwe nguva kunyange matatu mashifiti, uye muna 2019 isu tinotora iyi Starout imwe yemhando nyowani dzakasanganiswa dzefemtosecond USP lasers uye fiber lasers Isu takaibatanidza neStarFeed loader/unloader kuitira kuti tikwanise kunyatso cheka kucheka - mushandisi anongoisa isina chinhu Iyo chubhu inoiswa mufeed uye software yekushandisa chirongwa chakatangwa.
Mufananidzo 3. Iyi chubhu yekuendesa simbi isingachinjiki (inoratidzwa padyo nepenzura yekudzimisa) yakachekwa neMonaco femtosecond laser.
Witham anowedzera kuti kunyange zvazvo vachimboshandisa muchina uyu kucheka furati, inopfuura 95 muzana yenguva yavo inopedzwa kugadzira kana kushandura cylindrical zvigadzirwa zvemagetsi catheter maassemblies, zvinoti hypotubes, coils uye spirals, kusanganisira kucheka profiled matipi uye Cheka maburi. Zvikamu izvi zvinozoshandiswa mukuita senge aneurysm kubviswa uye kugadzirwa kwesimbi. simbi isina tsvina, goridhe rakachena, platinum uye nitinol.
Mufananidzo 4. Motion Dynamics inoshandisawo laser welding zvakanyanya.Pamusoro, iyo coil yakashongedzwa kune laser cut chubhu.
Ndedzipi sarudzo dzelaser?Witham akatsanangura kuti yakanakisa kumucheto mhando uye madiki kerfs akakosha kune mazhinji ezvikamu zvawo, saka ivo pakutanga vakada USP lasers.Kuwedzera, hapana kana chimwe chezvinhu zvinoshandiswa nekambani chinogona kutemwa neimwe yeaya lasers, kusanganisira diki diki regoridhe rinoshandiswa se radiopaque marker mune zvimwe zvigadzirwa zvayo. "Hapana mubvunzo kuti fiber optics inogona kupa kumhanya kwakanyanya," akadaro. "Asi nekuda kwekutarisisa kwedu kwekushandisa, izvi zvinowanzoreva imwe mhando yemashure-kugadzirisa, senge kemikari uye ultrasonic kuchenesa kana electropolishing. Saka kuva nemuchina wehybrid unotibvumira kusarudza iyo nzira yese - USP chete kana fiber uye post-processing Handling - Optimum yechimwe nechimwe chikamu. Inotibvumira kuongorora iyo yakakura dhayamita yechikamu chimwe chete. uye kukora kwemadziro kunobatanidzwa: kunyangwe kucheka nekukurumidza nefiber lasers, Wobva washandisa femtosecond laser yekucheka kwakanaka. Anotarisira kuti USP laser icharamba iri sarudzo yavo yekutanga nekuti mazhinji ekucheka kwavo laser kunosanganisira ukobvu hwemadziro pakati pe4 ne6 iwe, kunyangwe vachisangana nemadziro makubvu kubva pa1-20 iwe. Mipombi yesimbi isina tsvina pakati pako.
Mukupedzisa, laser kucheka uye kuchera ndiwo maitiro akakosha mukugadzirwa kwemidziyo yekurapa yakasiyana-siyana. Nhasi, nekuda kwekufambira mberi mune yakakosha laser tekinoroji uye yakagadziridzwa michina yakagadziridzwa kune chaiyo inodiwa yeindasitiri, maitiro aya ari nyore kushandisa uye kuunza mhedzisiro iri nani kupfuura kare.