Cov kws kho mob cov cuab yeej siv kho mob paub qhov xyaum. Koj xav tau tus qauv uas tuav ± 0.005 hli ntawm cov yam ntxwv tseem ceeb, ua los ntawm kev cog qoob loo- qib titanium, PEEK, lossis 316L, xa sai txaus kom lub voj voog tsim txav mus -thiab tseem huv txaus kom muaj sia nyob biocompatibility tshuaj xyuas thiab kev soj ntsuam xyuas. Feem ntau lub khw muag khoom yuav hais txog txoj haujlwm. Tsawg tsawg tuaj yeem xa cov khoom, cov ntaub ntawv, thiab qhov sib xws uas koj xav tau.Precision CNC tigfeem ntau yog cov txheej txheem tsim nyog rau lub cylindrical thiab nyob ze -cylindrical Cheebtsam uas muaj ntau yam khoom siv kho mob: catheter hubs, stems implants, pob txha screws, valve lub cev, thiab lwm yam. Tau txais nws yog pib nrog kev nkag siab qhov twg qhov txaus ntshai tiag tiag zaum.
Vim li cas Cov Khoom Siv Kho Mob Prototypes xav tau qib sib txawv ntawm Precision
Cov qauv kev lag luam tuaj yeem nyob nrog ± 0.05 hli thiab kuaj pom sai. Kev kho mob prototypes tsis tuaj yeem. Ob peb microns tawm ntawm qhov chaw sib khi, qhov sib txuas sib txuas, lossis qhov chaw cog qoob loo tuaj yeem hloov kho kev ua haujlwm, tsim kom tsis muaj menyuam, lossis ua rau muaj kev tsis sib haum xeeb uas ua rau txhua yam qeeb. Cov kev xav tau tshwj xeeb rau cov yam ntxwv tseem ceeb poob hauv ± 0.01 hli mus rau ± 0.002 hli ntau yam, nrog rau qhov sib npaug thiab qhov sib npaug feem ntau tuav txog 0.005 hli lossis nruj dua. Nto ua tiav ntawm Ra 0.2–0.8 µm yog muaj nyob rau ntawm tus neeg mob-cov chaw sib cuag lossis kev sib txuas lus.
Tus nqi ntawm qhov tsis ncaj ncees lawm tsis tshua muaj qhov seem. Rework rog teem caij, tshuaj xyuas ntxiv, thiab qee zaum cov ntaub ntawv tag nrho rov pib dua raws li ISO 13485. Cov khw muag khoom kho mob xws li kev lag luam machining feem ntau pom qhov sib txawv tsuas yog tom qab thawj tsab xov xwm ua tsis tiav CMM. Tias yog vim li cas kev kho mob - qib CNC machining tolerances tseem ceeb thaum ntxov- tsis yog cov kab lus ntawm cov lus tsocai, tab sis yog lim rau leej twg koj txawm xa daim duab rau.
Precision CNC tig vs. Ultra-Precision CNC Milling - Cov txheej txheem twg haum rau koj qhov
Ob qhov txheej txheem tuaj yeem tsoo cov lej nruj. Lub geometry txiav txim siab qhov twg yuav tsum coj.
Thaum tig yog txoj cai hu
Precision CNC tig (xws li Swiss{0}} hom rau me me diameters) ci rau ntawm qhov sib npaug sib npaug: catheter connectors, orthopedic stems thiab rods, pob txha screws, pins, cannulas, thiab cylindrical instrument handles. Ntawm lub qhov dej-txheej tshuab dhos nrog cov txheej txheem zoo, ± 0.005 hli ntawm txoj kab uas hla yog qhov tseeb; Cov tshuab Swiss tuaj yeem thawb ze rau ± 0.002 hli ntawm micro nta. Concentricity yog ib txwm muaj zog thaum txhua yam raug txiav hauv ib qho kev teeb tsa. Nto tiav ntawm Ra 0.4 µm thiab zoo dua tuaj yeem ua tiav nrog cov cuab yeej zoo thiab ua tiav cov kauj ruam.
Thaum milling yuav siv sij hawm dhau
Complex freeform nto, multi-sided vaj tse, kev phais lub cev nrog intricate contours, acetabular khob, los yog txha caj qaum nrog ntxeem tau nta feem ntau xav tau ntau -axis milling-tshwj xeeb tshaj yog 5-axis. Cov yam ntxwv tseem ceeb tseem tuaj yeem tuav tau rau ± 0.005 hli, tab sis qhov txiaj ntsig tiag tiag yog tswj kev sib raug zoo ntawm ntau lub dav hlau yam tsis muaj kev teeb tsa dua.
Kev sib piv ceev ceev:
Geometry - Tig rau diameters, threads, thiab concentric nta; milling rau complex 3D contours thiab multi-ntsej muag ua hauj lwm.
Lub zog kam rau ua - Tig feem ntau nruj dua thiab zoo ib yam ntawm txoj kab uas hla thiab qhov khiav tawm; milling muaj zog ntawm qhov tseeb txoj hauj lwm hla lub ntsej muag.
Nto tiav - Ob leeg mus txog kev kho mob -qib Ra qhov tseem ceeb tom qab kev ua haujlwm thib ob.
Kev teeb tsa kev ua haujlwm - tig ua kom teeb tsa qis rau cov yam ntxwv tig; 5-axis milling txo kev teeb tsa rau prismatic complexity.
Kev muaj tiag Hybrid - Ntau yam kev kho mob xaus li zeb -tig los yog ua ntu zus + kev ua haujlwm milling. Cov tuam txhab lag luam zoo dua khiav ob qho tib si hauv tib qhov system zoo.
Hauv kev xyaum, cov khw uas thov "± 0.005 hli ntawm txhua yam" yam tsis qhia CMM cov ntaub ntawv lossis cov txheej txheem muaj peev xwm tus lej feem ntau yog overstating. Nug txog kev kho mob tsis ntev los no ua ntej - tsab ntawv ceeb toom ua ntej koj cog lus.
Cov ntaub ntawv tseem ceeb hauv kev kho mob CNC Prototyping
Cov khoom xaiv tsav ob qho tib si ua haujlwm thiab qhov nyuaj npaum li cas rau lub tshuab kom huv.
316L stainless hlau - Khoom tiv thaiv corrosion thiab lub zog ntawm tus nqi qis. Feem ntau rau cov cuab yeej phais, kho ib ntus, thiab tsis yog- cog vaj tse. Cov cav tov zoo tab sis ua haujlwm - hardens yog tias pub thiab ceev tsis raug.
Titanium (Ti-6Al-4V / Qib 5 thiab ELI Qib 23) - Siab zog-rau- hnyav, zoo heev biocompatibility thiab osseointegration. Txaus siab rau kev cog qoob loo mus tas li. Tsawg thermal conductivity txhais tau tias cua sov nyob ntawm lub cuab yeej ntug-cia siab tias cov cuab yeej hnav ntau dua thiab xav tau kev teeb tsa nruj ntxiv nrog rau cov cua txias siab.
Kev kho mob-qib PEEK – Radiolucent, modulus ze rau cov pob txha (pab txo kev ntxhov siab tiv thaiv), muaj zog tshuaj tiv thaiv thiab kom tsis muaj menyuam. Zoo rau cov txha caj qaum thiab qee yam kev yees duab -cov khoom tseem ceeb. Cov tshuab nrawm dua li titanium tab sis tuaj yeem smear yog tias tsis muaj cua sov.
Aluminium (piv txwv li, 6061-T6) - Siv tau rau cov qauv uas tsis yog cog cov qauv, cov khoom siv kho mob, lossis cov vaj tsev nyob qhov twg qhov hnyav thiab tus nqi teeb meem thiab cov ntaub so ntswg sib chwv tsawg.
Kwv yees qhov sib piv cov ntsiab lus engineers yeej siv:
Ceev: PEEK ~ 1.3 g / cm³|Ti-6Al-4V ~ 4.4 g/cm³|316L ~ 8.0g / cm³
Modulus: PEEK ~ 3–4 GPa (ze pob txha)|Titanium ~ 110 GPa|316L ~ 190-200 GPa
Cov txheeb ze machinability (yooj yim rau hardest ntawm cov no): txhuas> PEEK> 316L> titanium
Tag nrho daim ntawv pov thawj zeb thiab cua sov-tus lej traceability tsis yog-negotiable. Yog tias lub khw tsis tuaj yeem muab lawv thawj qhov qauv, saib xyuas.
Los ntawm Prototype mus rau Ntau Lawm - Vim Li Cas Ceev thiab Rov Ua Dua Ob Qhov Tseem Ceeb
Prototypes nrawm tsuas yog siv tau yog tias tib txoj kev tuaj yeem rov ua cov lej thaum koj xav tau kaum, tsib caug, lossis ob peb puas daim rau kev txheeb xyuas. Tus qauv CNC ua haujlwm uas siv ntau lawm- lub hom phiaj tshuab, cov khoom siv, thiab cov txheej txheem tshuaj xyuas kom luv luv ntawm kev hloov tom qab. Cov qauv kev ua haujlwm zoo ntawm cov khoom siv kho mob tsis zoo hauv 5-14 hnub thaum cov khoom nyob hauv Tshuag thiab cov qauv tsim ruaj khov. Thawj- kab lus hla tus nqi siab dua 95% thiab cov txiaj ntsig CMM zoo ib yam ntawm cov yam ntxwv tseem ceeb yog lub hom phiaj ntawm lub khw muaj peev xwm.
Dab tsi feem ntau tau saib tsis pom yog cov ntaub ntawv taug kev. ISO 13485-cov tuam txhab ua raws cov tuam txhab tsim cov ntaub ntawv pov thawj, cov ntaub ntawv tshuaj xyuas, thiab keeb kwm ntau yam uas txhawb nqa kev tswj xyuas kev tsim qauv thiab tom qab cov txheej txheem siv tau. Lub khw uas muab thawj tsab xov xwm zoo nkauj tab sis tsis tuaj yeem qhia tau tias nws yuav tuav tib lub sijhawm ntev npaum li cas hauv kev ua haujlwm me me yuam kom koj rov qab- tsim nyog tom qab-feem ntau ntawm tus nqi siab dua thiab nyob rau hauv lub sijhawm nruj dua.
Dab tsi los nrhiav hauv CNC Machining Chaw Tsim Tshuaj rau Cov Khoom Siv Kho Mob
Thaum koj npaj txhij xaiv CNC machining chaw tsim tshuaj paus, tsom rau cov pov thawj es tsis yog thov:
Cov khoom siv uas phim rau kev ua haujlwm - Ntau-axis tig (xws li Swiss muaj peev xwm yog qhov xav tau), 5-axis milling, thiab zoo dua zeb-tig chaw. Kev tswj qhov kub thiab txias thiab kev daws teeb meem siab ua haujlwm pab tuav lub nruj dua.
Cov txheej txheem zoo uas suav nrog machining - ISO 13485 nrog CNC kev ua haujlwm hauv qhov, tsis yog kev sib dhos lossis tsim. Kev sau npe FDA yog ib qho ntxiv rau Asmeskas cov khoom.
Cov ntaub ntawv kev paub dhau los thiab kev taug qab - Ua pov thawj ua haujlwm nrog kev cog qoob loo- qib titanium, kho mob PEEK, thiab 316L, ntxiv rau tag nrho cov cua sov- cov ntaub ntawv xov tooj nrog txhua qhov ntau.
Kev ntsuas thiab cov ntaub ntawv - CMM muaj peev xwm, thawj -cov ntawv soj ntsuam kab lus, thiab muaj peev xwm tsim cov ntaub ntawv keeb kwm ntawm cov cuab yeej. Nug cov piv txwv tsis ntev los no.
Cov txheej txheem validation npaj - Kev paub txhawb IQ / OQ / PQ thaum ntim loj.
Kev ua haujlwm zoo - Cov txheej txheem NDA ntshiab, ceev thiab ncaj ncees DFM tawm tswv yim, thiab kev sib txuas lus ncaj nraim ntawm kev pheej hmoo thiab lub sijhawm ua haujlwm.
Kev ua haujlwm thib ob - Passivation, polishing, tu, thiab ntim khoom uas ua tau raws li qhov xav tau ntawm kev kho mob.
Siab - ntim lossis ntau lawm- lub hom phiaj precision CNC machined qhov chaw tsuas yog ua kom nkag siab tom qab cov txheej txheem qauv twb tau ua pov thawj ob qho tib si qhov muaj peev xwm thiab cov ntaub ntawv kev qhuab qhia. Dhia ncaj nraim mus rau ntim yam tsis muaj lub hauv paus ntawd yog ib qho yuam kev thiab kim heev.
FAQ
Q: Dab tsi kam rau ua precision CNC tig ua tiav rau cov khoom kho mob?
A: ± 0.005 hli ntawm qhov tseem ceeb diameters yog niaj hnub ntawm lub tshuab muaj peev xwm nrog cov txheej txheem zoo. Swiss- hom kev ua haujlwm tuaj yeem ncav cuag ± 0.002 hli ntawm cov yam ntxwv me me. Ib txwm lees paub tawm tsam qhov tshwj xeeb geometry thiab nug rau cov ntaub ntawv CMM tsis ntev los no- cov lej ntawv tsis muaj peev xwm ua tau.
Q: Ntev npaum li cas lub tshuab kho mob CNC qauv feem ntau siv sijhawm?
A: Feem ntau cov khoom nruab nrab ntawm cov khoom xa tuaj hauv 5-14 hnub thaum cov khoom muaj thiab cov duab yog khov. Complex 5-axis lossis cov khoom tiav hnyav siv sijhawm ntev dua. Lub khw tam sim no tseem ceeb tshaj li cov lus cog tseg.
Q: CNC machining tuaj yeem ua cov ntaub ntawv biocompatible xws li PEEK thiab titanium?
A: Yog. Ob leeg yog machined rau kev kho mob kam rau ua txhua hnub los ntawm cov khw uas paub cov ntaub ntawv. Titanium xav tau cov cuab yeej tshwj xeeb thiab cua txias; PEEK xav tau kev tswj kom sov. Cov ntaub ntawv pov thawj thiab cov txheej txheem tswj tau yog qhov xav tau tiag tiag.
Q: Dab tsi yog qhov txawv ntawm cov qauv thiab ntau lawm-qib CNC machining?
A: Tus qauv ua haujlwm tseem ceeb tshaj qhov nrawm thiab rov ua dua thaum tseem tsom rau kev tsim khoom - qhov tseeb thiab cov khoom siv. Kev tsim khoom ntxiv cov txheej txheem siv tau, cov txheej txheem nruj dua lub hom phiaj, thiab cov ntaub ntawv ntau dua. Cov tuam txhab lag luam zoo dua khiav ob qho tib si ntawm cov khoom siv tib yam thiab cov txheej txheem zoo yog li txhais tes - tawm yog huv.
Q: Kuv puas xav tau ISO 13485 ntawv pov thawj los ntawm kuv lub tuam txhab CNC?
A: Rau txhua qhov chaw uas yuav nkag mus rau cov khoom siv kho mob, yog. Daim ntawv pov thawj yuav tsum npog cov kev ua haujlwm machining. Nws yog lub hauv paus rau kev tswj hwm kev pheej hmoo, traceability, thiab cov ntaub ntawv sau tseg uas cov neeg tswj hwm thiab cov koom tes hauv qab xav tau.
Kauj ruam tom ntej
Kev tiv thaiv nruj, cov ntaub ntawv biocompatible, compressed ncua sij hawm, thiab cov ntaub ntawv huv si yog cov xwm txheej ntawm cov cuab yeej kho mob prototyping- tsis muaj kev zam. Precision CNC tig, thim rov qab los ntawm cov khoom muaj peev xwm milling thiab kev kho mob - qib zoo, hais txog cov kev txwv ncaj qha thaum cov chaw tsim khoom muaj cov pov thawj kom phim cov lus thov.
Xa koj cov duab kos rau dawb DFM tshuaj xyuas thiab hais lus. Lub khw muaj peev xwm yuav qhia rau koj paub tias qhov tseeb ntawm kev kam rau siab, cov khoom siv, lub sijhawm ua haujlwm, thiab kev pheej hmoo ua ntej koj tso qhov kev txiav txim - yog li cov qauv qauv txuas ntxiv mus tom ntej nrog tsawg qhov xav tsis thoob.
