Thaum cov neeg feem coob hnov 'hlau txhaj tshuaj molding tshuab', lawv daim duab ib leeg, monolithic unit - ib hom kev lag luam 3D tshuab luam ntawv rau hlau. Qhov ntawd yog thawj qhov kev xav tsis zoo. Nyob rau hauv kev muaj tiag, nws yog ib tug system, thiab lub tshuab nws tus kheej, lub txhaj tshuaj, tsuas yog ib feem uas pom. Cov dab neeg tiag tiag tshwm sim hauv kev npaj khoom noj, qhov cub tawg, thiab qhov cub sintering. Kuv tau pom ntau qhov haujlwm ntau dhau lawm vim lawv faib nyiaj txiag rau lub siab kawg hlau txhaj molding tshuab tab sis tsis nco qab cov txheej txheem thermal downstream. Lub tshuab yog precision syringe; nws yog chemistry thiab kho cua sov uas ua tau ib feem.
Lub hauv paus ntawm qhov system: Ntau tshaj qhov txhaj tshuaj xwb
Wb tham txog lub tshuab txhaj tshuaj. Nws tsis zoo li cov yas txhaj tshuaj molding, qhov twg koj tsuas yog yaj thiab tua. Cov khoom noj ntawm no yog homogenous sib xyaw ntawm cov hmoov hlau zoo thiab cov khoom siv polymer. Lub viscosity yog dag. Yog tias koj lub tshuab qhov ntsuas kub ntawm qhov ntsuas kub tsis tshaj 10 ° C hauv ib cheeb tsam, koj tuaj yeem tau txais kev sib cais-txhim kho los ntshav rau saum npoo los yog hmoov. Kuv nco qab txog kev khiav rau qee qhov me me, tsis sib haum xeeb stainless hlau cov lus qhia kev phais. Peb siv lub tshuab los ntawm German chaw tsim tshuaj paus, robust zoo li txhua yam, tab sis peb khaws cia laminar flow defects. Qhov teeb meem tsis yog lub tshuab lub siab lossis lub zog clamp; nws yog tus ntsia hlau tsim. Nws yog nruj heev rau qhov tshwj xeeb feedstock lub shear rhiab heev. Peb yuav tsum tau ua hauj lwm nrog cov khoom siv los tweak lub binder system. Lub peev xwm ntawm lub tshuab yog txhais los ntawm nws txoj kev sib raug zoo nrog cov khoom siv, tsis yog nws cov tonnage xwb.
Clamp quab yuam yog lwm tus. Tib neeg obsess tshaj nws. Peb xav tau lub tshuab 50 tuj! Rau feem ntau ntawm MIM, koj tsis tshua xav tau lub zog loj vim tias koj tab tom sau cov kab noj hniav me me. Lub precision yog nyob rau hauv lub metering, txhaj tshuaj tswj, thiab muaj peev xwm tuav ib tug zoo ib yam, qeeb txhaj tshuaj kom tsis txhob jetting. Ib qho pitfall feem ntau yog siv ceev heev ntawm kev txhaj tshuaj nrawm, uas ntxiab huab cua thiab tsim cov voids uas tsuas yog tshwm sim tom qab sintering. Lub tshuab tswj software yuav tsum tso cai rau qhov qeeb, ntau theem sau. Nws yog qhov kev ua si zoo.
Tom qab ntawd muaj lub thoob thiab ntsia hlau hnav. Cov hmoov hlau yog abrasive. Txawm tias muaj cov khoom siv tawv tawv, koj tab tom saib lub sijhawm saib xyuas uas nruj dua li cov yas. Kuv tau rub cov ntsia hlau tom qab ib xyoos ntawm kev khiav 17-4 PH stainless feedstock uas zoo li sandblasted. Nws hloov qhov ntim ntawm cheeb tsam metering, cuam tshuam rau kev txhaj tshuaj hnyav sib xws. Koj tsis kawm qhov ntawd los ntawm phau ntawv; koj kawm tau nws los ntawm kev txiav tawm qhov hnyav txhua qhov ua haujlwm thiab pom qhov drift.
Kev Ua-los-Tsev: Debinding thiab Sintering
Qhov no yog qhov ua khawv koob thiab mob taub hau tiag tiag. Koj tuaj yeem muaj qhov zoo meej ntsuab ntawm qhov zoo tshaj plaws hlau txhaj molding tshuab, thiab rhuav tshem nws tag nrho hauv cov kauj ruam tom ntej. Catalytic debinding, hnyav debinding, thermal debinding-txhua tus muaj nws tus kheej lub cub tawg yuav tsum tau thiab dictates lub binder system koj nyob nraum xauv rau hauv. Peb ib zaug sim hloov los ntawm cov khoom noj khoom haus uas paub zoo mus rau lwm qhov pheej yig dua los txiav cov nqi rau cov neeg siv khoom siv phom. Cov khoom noj tshiab tau siv cov khoom sib txawv. Peb lub voj voog ntawm qhov cub tawg, uas peb tau ua tiav ntau xyoo, tam sim no tsis ncaj ncees lawm. Cov khoom blistered thiab tawg vim qhov kev tshem tawm cov ntaub ntawv ceev heev. Ib pawg tag nrho, ntau txhiab qhov chaw, muab pov tseg. Lub tshuab ua nws txoj haujlwm zoo kawg nkaus; cov txheej txheem kev paub ua tsis tiav.
Sintering yog qhov kawg transformation. Qhov cub cua sov (hydrogen, nitrogen-argon mix, nqus tsev) yog qhov tseem ceeb. Rau ib lub tuam txhab xws li Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), nrog lawv cov keeb kwm sib sib zog nqus hauv casting thiab machining tshwj xeeb alloys, qhov no yog qhov kev sib tshuam tseem ceeb. Lawv to taub qhov kub thiab txias metallurgy. Khiav nickel-based lossis cobalt-based superalloys los ntawm MIM yog cov tsiaj nyaum sib txawv dua li cov qauv stainless. Lub sintering kub profile, tuav lub sij hawm, thiab txias tus nqi ncaj qha txiav txim qhov kawg txhua yam khoom thiab qhov ntev kam rau ua. Shrinkage yog kwv yees, nyob ib ncig ntawm 15-20%, tab sis nws tsis zoo kawg nkaus isotropic. Ib tug ntev, nyias feature yuav shrinks txawv tshaj ib tug tuab hub. Koj them nyiaj rau qhov ntawd hauv kev tsim cov cuab yeej, tab sis koj xav tau cov txheej txheem sintering kom zoo li pob zeb-khoom kom ntseeg tau cov nyiaj them poob haujlwm.
Qhov no yog qhov chaw ua haujlwm vertically integrated ua rau kev nkag siab. QSY tus keeb kwm yav dhau hauv peev casting thiab CNC machining muab lawv qhov zoo dua. Lawv nkag siab txog qhov ze-net-zoo sib sau thiab precision xov. Ib feem MIM feem ntau tawm ntawm sintering xav tau lub teeb CNC kov-drilling lub qhov tseeb, milling lub ntsej muag datum. Muaj qhov kev paub txog kev ua haujlwm hauv tsev txhais tau tias lawv tuaj yeem tsim cov txheej txheem MIM los ua kom zoo rau lub xeev sintered, paub meej tias nws yuav ua tiav li cas. Nws yog ib qho kev pom ntau yam dawb huv-ua si MIM khw tsis muaj.
Tooling: Tus Neeg Uas Tsis Txaus Siab
Tsis muaj kev sib tham ntawm lub tshuab ua tiav yam tsis tau tham txog cov pwm. MIM tooling yog qhov tseeb, feem ntau nrog ntau kab noj hniav layouts rau cov me me no. Kev tso pa tawm yog qhov tseem ceeb. Vim tias cov khoom noj khoom haus tsis yog kua tiag tiag, kev khiav tawm ntawm huab cua nyuaj dua. Peb tau siv cov pwm nrog lub tshuab nqus tsev pab qhov cua txuas ncaj qha rau lub phaj. Cov pwm hlau yuav tsum tau ua kom tawv, zoo li H13, tab sis polished rau daim iav tiav. Txhua qhov khawb me me yuav ua rau cov cim rub thiab nce ejection quab yuam, muaj peev xwm cuam tshuam qhov muag xim ntsuab.
Cov cua txias channel yog lwm yam kev kos duab me me. Koj xav teem lub binder sai kom txo tau lub sij hawm voj voog, tab sis ceev ceev txias tuaj yeem ua rau muaj kev ntxhov siab. Kuv tau pom cov cuab yeej uas peb yuav tsum tau khiav cov cua txias sib txawv hauv cov cheeb tsam sib txawv kom sib npaug ntawm qhov sau thiab txias ntawm ib qho nyuaj. Nws yog iteration. Koj khiav qhov tsim ntawm kev sim (DOE) ntawm qhov hlau txhaj molding tshuab: Kho qhov kub thiab txias, txhaj tshuaj ceev, tuav lub siab, thiab lub sijhawm txias, tom qab ntawd ntsuas qhov ntsuab qhov ntom ntom thiab qhov ntev. Tom qab ntawd koj tweak lub cuab yeej, tej zaum ntxiv ib qho dej ntws zoo los ntes cov khoom siv kawg, thiab khiav DOE dua. Nws yog ib qho kev sib tham ntawm lub tshuab parameters thiab cov cuab yeej geometry.
Daim ntawv thov tiag-lub ntiaj teb thiab cov khoom Nuances
Saib cov kev lag luam: kev kho mob, kho hniav, riam phom, tsheb sensors, khoom siv hluav taws xob. Cov khoom ntim tau pom zoo rau tus nqi siab tshaj plaws ntawm cov cuab yeej thiab cov txheej txheem kev txhim kho. Ib daim ntawv thov raug yuav yog cov pob txha stainless hlau lossis cov nickel-alloy turbine hniav rau lub micro-drone. Cov khoom xaiv, raws li qhia los ntawm QSY kev txawj ntse nrog tshwj xeeb alloys, yog loj heev. Tab sis txhua yam khoom sinters txawv. Titanium MIM xav tau lub tshuab nqus tsev siab ultra-siab. Tungsten hnyav alloys muaj lawv tus kheej raws tu qauv.
Kev zoo nkauj ntawm MIM yog sib sau ua ke ntau qhov chaw rau hauv ib qho. Peb tau ua haujlwm ntawm ib qhov project rau lub tsheb roj injector-ib feem uas ib txwm ua los ntawm peb qhov sib cais sib cais ua ke. Peb tsim nws ua ib feem MIM hauv 316L stainless. Qhov kev sib tw tau ua tiav qhov yuav tsum tau ua tiav nyob rau hauv cov roj nkag ncaj qha los ntawm sintering, kom tsis txhob ua haujlwm tom qab. Nws siv lub hlis ntawm tweaking cov hmoov loj tis nyob rau hauv feedstock thiab lub sintering cua kom txo tau nto porosity mus rau ib tug txaus theem. Lub tshuab lub luag hauj lwm yog los tsim ib qho flawless ntsuab ib yam nrog kiag li tsis muaj nyob rau hauv voids uas yuav ua tau pits tom qab.
Kev poob yog ib tug xib hwb zoo. Thaum ntxov, peb muaj ib qhov project rau ceramic MIM (uas siv tib lub hauv paus ntsiab lus ntawm lub tshuab). Peb kho nws zoo li hlau. Tsis yog. Lub voj voog hluav taws kub rau cov ntaub ntawv ceramic yog qhov sib txawv kiag li, thiab cov sintering shrinkage yog tshaj 25%. Cov seem warped txaus ntshai. Nws tau qhia peb tias lub tshuab yog ntau yam platform, tab sis cov txheej txheem kev paub - kev debinding thiab sintering zaub mov txawv - yog cov khoom siv tshwj xeeb thiab tsis hloov pauv. Koj tsis tuaj yeem xav tias muaj kev txawj ntse hauv steel txhais rau alumina lossis silicon carbide.
Kev koom ua ke thiab kev xav yav tom ntej
Yog li nyob qhov twg hlau txhaj molding tshuab zaum hnub no? Nws tau dhau los ua kev sib txuas ntxiv. Cov tshuab niaj hnub muaj kev sib koom ua ke kev saib xyuas, taug qab txhaj tshuaj siab profile hauv lub sijhawm tiag tiag thiab muab piv rau cov nkhaus golden. Yog tias pom muaj drift, nws tuaj yeem ceeb toom tus neeg teb xov tooj ua ntej ua qhov tsis zoo. Qhov no yog txav mus rau Kev Lag Luam 4.0, qhov twg cov ntaub ntawv los ntawm lub tshuab txhaj tshuaj, lub qhov cub tawg, thiab lub qhov cub sintering yog txhua yam cuam tshuam rau qhov kawg ntawm qhov zoo.
Rau cov chaw tsim khoom xws li QSY, kev sib koom ua ke ntawm MIM nrog rau lawv lub plhaub pwm casting, peev casting, thiab CNC machining tsim cov ntaub ntawv muaj zog. Ib tus neeg siv khoom tuaj yeem tuaj nrog cov khoom siv uas nyuaj dhau rau kev ua haujlwm ib txwm muaj, muaj qhov ntim nruab nrab (10k-100k daim ib xyoos), thiab xav tau cov khoom siv ua haujlwm siab. MIM dhau los ua qhov kev daws teeb meem zoo tshaj plaws. Lawv tuaj yeem tuav tag nrho cov lus: ib feem tsim rau MIM, kev xaiv khoom noj khoom haus, kev tsim cov cuab yeej, molding, debinding, sintering, thiab qhov kawg precision machining-tag nrho hauv ib lub ru tsev. Qhov ntawd tswj tau qhov zoo thiab txo cov logistical kev sib txhuam.
Thaum kawg, lub tshuab yog ib qho tseem ceeb, tab sis nws yog ruam tsis muaj ib puag ncig ecosystem ntawm cov khoom siv science, thermal txheej txheem engineering, thiab precision tooling. Cov txuj ci tiag tiag tsis yog nyob rau hauv kev khiav hauj lwm xovxwm; nws yog nyob rau hauv kev paub yuav ua li cas orchestrate tag nrho cov saw ntawm hmoov mus rau qhov kev ua tau zoo ib feem. Qhov ntawd yog qhov cais lub khw ua haujlwm los ntawm tus muab kev daws teeb meem tiag tiag. Koj kawm saib xyuas tag nrho cov kab ke, tsis yog cov khoom siv nrov tshaj plaws hauv pem teb.
