Koj tus qauv tsim raug kaw. Koj xav tau ib qho piv txwv ntawm kev ua haujlwm hauv ob lub lis piam tom ntej no rau tus kws kho mob tawm tswv yim, kev tshuaj xyuas cov neeg ua lag luam, lossis kev tsim kho sab hauv. Cov lus hais rov qab los nrog ob txoj kev xaiv meej:kho mob qauv CNC machiningthiab nqus casting. Tus nqi sib txawv yog pom tseeb, lub sij hawm txhuas zoo ib yam ntawm daim ntawv, thiab nws tsis yog tam sim ntawd paub meej tias txoj kev twg tiag tiag phim koj lub hom phiaj. Hauv kev xyaum, qhov kev txiav txim siab los ntawm qhov ntau, qhov yuav tsum tau muaj tseeb, cov khoom siv tseeb, thiab seb cov khoom yuav tsum txhawb kev ua haujlwm tiag tiag lossis kev sim biocompatibility.
Cov Lus Teb luv luv: CNC lossis Nqus Casting?
Xaiv CNC machining thaum koj xav tau cov khoom siv engineering tiag tiag (hlau lossis PEEK), nruj kam rau ua, lossis 1-10 qhov tseeb heev rau kev haum, kev ua haujlwm, lossis kev ntsuas kev tswj xyuas.
Xaiv lub tshuab nqus tsev rau cov khoom siv kho mob thaum koj xav tau 10–50 qhov tsos lossis muag muag -kov qhov chaw ntawm tus nqi qis dua thiab tuaj yeem lees txais qhov sib txawv me me.
Ntau qhov haujlwm ua ke ua ke ob qho tib si: CNC rau cov hlau tseem ceeb lossis siab -cov khoom muaj tseeb thiab lub tshuab nqus tsev rau cov vaj tsev lossis tuav.
Dab tsi yog CNC Machining rau Kev Kho Mob Prototypes?
CNC pib los ntawm cov khoom siv los yog phaj, yog li koj tuaj yeem siv tshuab kho mob -qib stainless hlau, titanium, aluminium, PEEK, ULTEM thiab lwm yam yas yas. Cov no yog cov khoom siv tib yam siv hauv kev tsim khoom, uas txhais tau hais tias cov khoom siv kho tshuab, kev ua kom tsis muaj menyuam thiab cov ntaub ntawv biocompatibility hloov tau. PEEK CNC machining qauvkev ua haujlwm yog qhov tshwj xeeb tshaj yog thaum muaj lub zog siab, tshuaj tiv thaiv lossis radiolucency.
Cov kev ua tau zoo ntawm cov qauv kev kho mob poob rau hauv ± 0.01 hli txog ± 0.05 hli ntau yam ntawm cov yam ntxwv tseem ceeb. Xov, bearing rooj, snap fits thiab mating nto tuaj yeem ua rau ntau lawm- qhov tseeb ntawm qhov tseeb. Tias yog vim li cas CNC tseem yog qhov kev xaiv zoo tshaj plaws rau kev sim ua haujlwm, kev sim sib dhos thiab ib feem uas yuav tsum ua kom pom tseeb -kev ua haujlwm hauv ntiaj teb.
Dab tsi yog Nqus Casting rau Cov Khoom Siv Kho Mob?
Lub siab- qauv qauv zoo (feem ntau CNC- tshuab lossis siab- daws teeb meem 3D luam tawm) yog siv los tsim cov pwm hloov tau silicone. Cov kua polyurethane resin yog tov, degassed nyob rau hauv lub tshuab nqus tsev vacuum thiab poured rau hauv pwm. Tom qab kho, qhov seem yog demolded. Cov txheej txheem tuaj yeem rov ua cov ntaub ntawv zoo nkauj, undercuts thiab muag muag -kov lossis cov ntaub ntawv ntshiab uas nyuaj lossis kim rau tshuab.
Nqus casting ua tau zoo ntawm cov vaj tsev, tes tuav, tuav, tshaj -cov qauv mos mos thiab cov qauv zoo li. Ib qho pwm silicone feem ntau ua rau 15-25 qhov zoo ua ntej qhov loj me lossis qhov degradation yuav pom tau. Qhov tseeb yog feem ntau nyob rau hauv ± 0.1 hli mus rau ± 0.3 hli ntau yam, nyob ntawm geometry thiab resin shrinkage. Lead lub sij hawm ntawm 7-15 hnub yog feem ntau rau cov khoom me me.
CNC vs Nqus Casting: Ib Sab - los ntawm - Sab Saib
Qhov tseeb- CNC: ± 0.01-0.05 hli; Nqus casting: ± 0.1-0.3 hli
Khoom siv- CNC: hlau tiag thiab engineering yas; Nqus casting: polyurethane resins uas simulate ABS, PC, PP lossis elastomers.
Ntau- CNC: kev lag luam feem ntau ntawm 1-10 daim; Nqus casting: feem ntau yig ntawm 10-50 daim.
Lub sijhawm ua haujlwm- Ob leeg tuaj yeem xa hauv 1-3 lub lis piam; CNC feem ntau nrawm dua rau cov khoom me me.
Nqi rau ib feem- CNC siab dua ntawm qhov ntim tsawg; Nqus casting qis dua thaum lub silicone pwm ua.
Nto tiav- Ob leeg tuaj yeem ua tiav cov tshuaj pleev ib ce zoo heev; lub tshuab nqus tsev casting feem ntau sib phim rau kev txhaj tshuaj-moulded zoo li yooj yim dua ntawm textured lossis mos qhov chaw.
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Qhov xwm txheej |
CNC Machining |
Nqus Casting |
|
Qhov zoo tshaj plaws kom muaj nuj nqis |
1-10 ntu |
10-50 ntu |
|
Hom kam rau ua |
± 0.01-0.05 hli |
± 0.1-0.3 hli |
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Cov ntaub ntawv tseeb |
Yog (hlau, PEEK, thiab lwm yam) |
Simulated resins |
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Kev teeb tsa tus nqi |
Tsawg |
Nruab nrab (master + silicone pwm) |
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Zoo tagnrho siv |
Muaj nuj nqi & kev cai prototypes |
Cov tsos mob & qis- ntim cov khoom kom zoo nkauj |
Qhov noCNC machining vs lub tshuab nqus tsev castingKev sib piv qhia tau hais tias vim li cas cov txheej txheem tsis zoo thoob plaws ntiaj teb - qhov kev xaiv raug ua raws li lub hom phiaj kev pov thawj.
Biocompatibility thiab ua raws li: Cov ntaub ntawv hais li cas
Txhua yam khoom siv kho mob uas cuam tshuam rau lub cev yuav tsum raug soj ntsuam kom muaj kev nyab xeeb ntawm kev lom neeg. FDA lub Cuaj Hlis 2023 cov lus qhia txog kev siv ISO 10993-1 qhia meej tias kev ntsuam xyuas biocompatibility yog qhov pheej hmoo. Hom kev sib cuag (cov tawv nqaij tsis zoo, daim nyias nyias, cov ntshav, thiab lwm yam) thiab lub sijhawm txiav txim siab seb qhov kawg yuav tsum tau kuaj. Tsis yog txhua tus qauv xav tau lub roj teeb ntsuas tag nrho, tab sis cov ntaub ntawv thiab cov txheej txheem yuav tsum tau sau tseg.
Lub tshuab nqus tsev- cam khwb cia polyurethane resins tsis tuaj yeem siv tau. Qee cov qhab nia raug tsim los kwv yees USP Chav Kawm VI lossis ISO 10993 cov ntaub ntawv, tab sis lawv tseem xav tau kev txheeb xyuas cais rau daim ntawv thov tshwj xeeb. CNC-machined kev kho mob-qib PEEK, titanium lossis 316L stainless hlau nqa cov ntaub ntawv keeb kwm uas tuaj yeem ua kom yooj yim rau txoj kev ntsuam xyuas.
Thaum xaiv cov khoom siv kho mob tus qauv tsim, ISO 13485 daim ntawv pov thawj muab cov txiaj ntsig zoo - qauv ntsuas. Nws qhia tau hais tias tus neeg muag khoom tswj xyuas cov txheej txheem tswj, traceability thiab cov ntaub ntawv kev coj ua raws li qhov xav tau ntawm cov cuab yeej kho mob.
Case Study: Yuav ua li cas Sunhingstones xaiv ntawm CNC thiab Nqus Casting
Kev kho mob hauv Teb Chaws Asmeskas -device startup xav tau 12 cov qauv kev ua haujlwm ntawm lub cuab yeej kuaj mob rau tus kws kho mob tawm tswv yim thiab tsim kho sab hauv. Lub vaj tse yuav tsum muaj qhov muag muag - kov tuav thiab textured nto, thaum lub chassis sab hauv xav tau cov yam ntxwv zoo sib xws thiab threaded inserts uas yuav tom qab ua cov khoom hlau.
Pab neeg tau soj ntsuam ob txoj kev. Lub tshuab nqus tsev casting tuaj yeem xa cov vaj tsev thiab tuav tau sai thiab qis dua tus nqi, tab sis lub chassis kam rau ua (± 0.02 hli ntawm cov ntaub ntawv tseem ceeb) tshaj qhov muaj peev xwm casting. Cov kev daws teeb meem ua ke ob txoj hauv kev: CNC machined kev kho mob prototypes rau lub chassis thiab tseem ceeb hlau inserts, thiab urethane casting qhov chaw kho mob rau lub tsev sab nrauv thiab mos tuav. Tag nrho lub sijhawm ua haujlwm yog 11 hnub. Ntsuas chassis kam rau ua nyob rau hauv ± 0.018 hli, thiab hybrid mus kom ze tuaj nyob rau hauv 31% qis dua ib tug ntshiab -CNC hais. Tib cov txheej txheem tom qab ntawd tau siv rau 40-thooj pilot ntau ua ntej tsiv mus rau txhaj tshuaj molding.
Yuav Xaiv Li Cas: Daim Ntawv Qhia 5-kauj ruam yooj yim
Txhais lub hom phiaj tseem ceeb (kev kuaj xyuas kom haum, kev sim ua haujlwm, kev ntsuas tus neeg siv, lossis kev txhawb nqa kev xa tawm).
Paub meej kom muaj nuj nqis (1-10 nyiam CNC; 10-50 feem ntau nyiam lub tshuab nqus tsev casting).
Paub meej tias qhov tseem ceeb kam rau ua thiab cov yam ntxwv uas yuav tsum ua kom haum rau kev tsim khoom.
Paub meej tias cov khoom yuav tsum tau (tseem hlau / PEEK vs simulated resin tau txais).
Teem cov peev nyiaj thiab coj- lub sijhawm xav tau nrog cov txheej txheem xaiv.
Yuav Ua Li Cas Xaiv Tus Kws Kho Mob Prototype Chaw Tsim Tshuaj
Saib rau cov tswv yim teeb liab:
ISO 13485 (los yog sib npaug kev kho mob zoo) nyob rau hauv qhov chaw
Muaj peev xwm muab ob qho tib si CNC thiab lub tshuab nqus tsev casting nyob rau hauv ib lub ru tsev kom hybrid tej yaam num nyob yooj yim
Ceev ceev, cov ntaub ntawv DFM tawm tswv yim
Kev txaus siab los kos npe rau NDA muaj zog
Nthuav qhov sib txawv ntawm lub Hoobkas thiab tuam txhab lag luam
Lub Hoobkas muaj peev xwm kho mob qauv Tuam Tshoj lossis lwm qhov chaw yuav kho qis - ntim kev kho mob ua haujlwm raws li cov txheej txheem tswj tsis yog kev ua haujlwm sab. Rau cov neeg yuav khoom nrhiav kev kho mob tus qauv tsim cov khoom lag luam wholesale lossis tsis tu ncua - ntim kev txhawb nqa, tib tus neeg muag khoom uas tuaj yeem tswj tau ob qho tib si CNC thiab lub tshuab nqus tsev casting txo kev sib koom tes. Xaiv qhov kev paub txog cov cuab yeej siv kho mob tus qauv tsim ua ntej tseem yuav pab kom tsis txhob muaj qhov yuam kev ntawm kev xauv rau hauv ib txheej txheem ua ntej lub hom phiaj kev pov thawj pom tseeb.
ESTA tau raug sau tseg hauv kev sib tham hauv kev lag luam rau kev tswj cov txheej txheem sib xws thiab kev sib txuas lus pob tshab ntawm cov kev kho mob qauv. Lub tuam txhab ua haujlwm raws li ISO- ua raws li cov txheej txheem ua tau zoo thiab tsis tu ncua txhawb ob qho tib si CNC thiab hybrid CNC- ntxiv rau- cov haujlwm ua haujlwm rau kev kho mob thoob ntiaj teb - pab pawg khoom.
FAQ
Q: Qhov twg yog qhov zoo dua rau kev kho mob prototypes, CNC lossis lub tshuab nqus tsev casting?
A: Tsis yog universally zoo dua. CNC muaj zog dua rau qhov raug, cov ntaub ntawv tseeb thiab kev sim ua haujlwm. Lub tshuab nqus tsev casting muaj zog dua rau cov tsos, mos nta thiab tus nqi qis ntawm 10-50 daim.
Q: Puas yog lub tshuab nqus tsev casting biocompatible?
A: Tsis tau. Qee cov resins kwv yees li kev kho mob- qib khoom, tab sis biocompatibility yuav tsum raug soj ntsuam raws li ISO 10993-1 thiab cov xwm txheej tshwj xeeb. Nco ntsoov xyuas cov khoom siv thiab txheej txheem rau koj xav siv.
Q: Yuav ua li cas yog lub tshuab nqus tsev casting piv rau CNC?
A: CNC feem ntau tuav ± 0.01-0.05 hli ntawm cov yam ntxwv tseem ceeb. Nqus casting feem ntau ua tiav ± 0.1-0.3 hli, nyob ntawm geometry thiab resin.
Q: Muaj pes tsawg feem tuaj yeem ua rau silicone pwm?
A: Feem ntau cov pwm silicone tsim 15-25 qhov zoo ua ntej qhov loj me lossis qhov zoo ntawm qhov chaw pib ntws. Ntau qhov nyuaj lossis txhoj puab heev tuaj yeem txo tus lej ntawd.
Q: Dab tsi yog qhov pheej yig dua rau 20 daim?
A: Lub tshuab nqus tsev casting feem ntau yog tus nqi qis dua ib feem thaum tus tswv thiab silicone pwm ua. Ntshiab CNC feem ntau pheej yig dua rau cov khoom qis dua 10.
Q: Koj puas tuaj yeem muab ob txoj hauv kev?
A: Yog. Ntau qhov haujlwm ua tiav siv CNC rau siab - precision lossis hlau cov khoom thiab lub tshuab nqus tsev casting rau vaj tse, tuav lossis cov khoom kom zoo nkauj. Qhov no hybrid mus kom ze sib npaug nqi, ceev thiab kev ua tau zoo.
