Kev rho tawm cov khoom sib txuas yog ib theem tseem ceeb hauv cov txheej txheem txhaj tshuaj hlau (MIM), uas tseem ceeb rau kev tsim cov khoom zoo. Nws lub luag haujlwm yog xaiv cov khoom siv sib txuas los ntawm cov khoom "ntsuab" - cov hmoov hlau uas tau tuav ua ke los ntawm lub kaw lus sib txuas - thaum khaws cov qauv geometry thiab kev ncaj ncees. Qhov ua tau zoo ntawm kev rho tawm cov khoom sib txuas ncaj qha tswj hwm qhov porosity, distortion, thiab cov khoom siv kho tshuab ntawm cov khoom kawg. Kev tswj hwm cov txheej txheem rho tawm cov khoom sib txuas tsis txaus tuaj yeem tso cov khoom sib txuas seem, ua rau muaj kev sib xyaw tsis paub tseeb thiab ua rau muaj kev ntseeg siab ntawm cov qauv.
Qhov Tseem Ceeb ntawm Debinding hauv MIM Cheebtsam Zoo
Cov txheej txheem tshem tawm cov khoom sib txuas txiav txim siab seb cov khoom puas yuav ua tiav qhov ceev, qhov zoo ntawm qhov chaw, thiab qhov loj me. Kev tshem tawm cov khoom sib txuas tsis raug tswj hwm tuaj yeem ua rau:
- Kev tawg, los ntawm kev thermal lossis kev ntxhov siab gradients.
- Yog tias cov binder tawm sai dhau los yog tsis sib npaug, nws yuav muaj porosity ntau dhau.
- Kev hloov pauv raws li qhov sib txawv shrinkage ua rau cov qauv hmoov txhawb nqa ib nrab.
- Cov khoom seem uas tsis huv, los ntawm kev rho tawm tsis tiav, cuam tshuam rau kev tiv taus corrosion thiab lub zog kho tshuab.
Cov kev tshawb fawb qhia tau tias kev ncua lub sijhawm ua kom sov thiab tuav thaum lub sijhawm rho tawm cov khoom siv thermal tuaj yeem txo qhov porosity ntawm qhov kawg ntau heev—txo los ntawm 23% mus rau 12% hauv cov xwm txheej sim. Yog li, kev tswj hwm qhov tseeb ntawm cov qauv kub thiab lub sijhawm thiab huab cua yog qhov yuav tsum tau ua thoob plaws hauv kev rho tawm cov khoom siv thermal.
Kev txhaj tshuaj hlau
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Cov Khoom Siv Binder: Lub Luag Haujlwm thiab Kev Cuam Tshuam rau Kev Ncaj Ncees ntawm Cov Khoom Ntsuab
Cov khoom siv khi hauv MIM feem ntau muab ntau yam khoom polymeric thiab cov khoom ntxiv, txhua tus muaj cov yam ntxwv thiab kev ua haujlwm sib txawv. Cov txheej txheem khi feem ntau suav nrog kev sib xyaw ntawm polypropylene, polyethylene, polyoxymethylene (POM), thiab waxes.
- Cov khoom siv sib txuas thawj zaug (piv txwv li, POM) muab lub zog kho tshuab thiab plasticity thaum lub sijhawm molding.
- Cov khoom sib txuas theem ob pab kom yooj yim dua los ntawm kev rho tawm - los ntawm cov kuab tshuaj lossis cov tshuaj catalytic - yam tsis cuam tshuam rau cov duab ntawm ib feem.
Cov tshuaj lom neeg ntawm cov khoom sib txuas (binder chemistry) cuam tshuam rau qhov nrawm ntawm kev sib txuas, cov theem ntawm cov khoom tsis huv uas seem, thiab kev tswj cov khoom ntsuab. Piv txwv li, cov txheej txheem sib txuas huv si xws li PPC/POM rau titanium txo cov pa roj carbon thiab oxygen seem, txhawb nqa kev ua raws li ASTM F2989 cov qauv kho mob. Kev hloov kho cov khoom sib txuas rau txoj kev sib txuas tshwj xeeb ua rau cov khoom sib txuas khiav tawm zoo ib yam, txo qhov kev pheej hmoo ntawm kev tawg, thiab tswj cov hmoov sib txuas rau kev sib xyaw tom qab.
Kev Sib Txuas Ntawm Degreasing, Binder Removal, thiab Sintering Cov Txiaj Ntsig
Kev tshem roj suav nrog ntau txoj kev, qhov tseem ceeb tshaj plaws yog kev tshem roj los ntawm cov kuab tshuaj thiab kev tshem roj los ntawm cov tshuaj catalytic, txhua txoj kev cuam tshuam nrog cov txheej txheem tshem roj hauv kev lag luam:
- Kev Tshem Tawm Cov kuab tshuajSiv cov tshuaj yaj los yaj cov khoom sib txuas, feem ntau siv ua theem thawj zaug. Kev ua tiav yog nyob ntawm kev nkag mus rau hauv cov tshuaj yaj tas li, uas tuaj yeem saib xyuas tau siv cov ntsuas qhov ceev ntawm cov kua, cov ntsuas qhov ceev ntawm cov ultrasonic, lossis cov ntsuas concentration ntawm cov tshuaj xws li Lonnmeter ultrasonic density meter. Kev tshem tawm cov binder sib xws ntawm theem no yog qhov tseem ceeb rau kev zam kev porosity hauv zos.
- Kev tshem tawm catalytic: Muaj kev rhuav tshem cov binder (piv txwv li, POM) thaum muaj cov tshuaj catalyst acid, thiab tshem tawm cov binder sai sai thoob plaws hauv qhov ntim ntawm cov khoom. Kev tswj hwm qhov concentration thiab kev faib tawm ntawm cov tshuaj catalyst yuav raug txhawb nqa los ntawm cov cuab yeej ntsuas qhov ceev ntawm cov kua ultrasonic rau kev saib xyuas cov txheej txheem, kom ntseeg tau tias cov tshuaj tiv thaiv sib xws.
Kev tshem roj tawm—ua ib txoj kev siv hauv kev lag luam—ua ke nrog kev rho cov khoom sib txuas thawj zaug, teeb tsa theem rau kev tshem tawm tag nrho. Kev ntsuas qhov nrawm ntawm kev tshem tawm thiab cov tshuaj lom neeg ua pov thawj tias cov txheej txheem ua tiav thiab tiv thaiv kom tsis txhob muaj qhov tsis zoo.
Qhov zoo ntawm Debinding cuam tshuam rau cov txiaj ntsig sintering. Yog tias cov khoom seem ntawm cov binder tseem muaj lossis qhov geometry ntawm ib feem puas tsuaj thaum lub sijhawm rho tawm:
- Kev sintering yuav ua rau muaj kev cuam tshuam ntau ntxiv, vim tias cov cheeb tsam tsis muaj kev txhawb nqa ua rau tuab tsis sib npaug.
- Cov tshuaj lom neeg seem ua rau muaj kev tsis haum tshuaj, txo cov khoom siv zog thiab kev ntseeg siab ntawm kev ua haujlwm.
Kev sib phim zoo ntawm kev tswj cov txheej txheem tshem roj, kev xaiv cov khoom sib txuas, thiab kev saib xyuas lub sijhawm tiag tiag nrog cov cuab yeej ua haujlwm raug (piv txwv li, Lonnmeter cov ntsuas concentration tshuaj) ua rau muaj qhov ceev, kev huv, thiab qhov ntev ntawm cov khoom MIM. Kev ua kom zoo tshaj plaws txhua theem ua kom ntseeg tau tias cov khoom ua tau raws li cov qauv kev lag luam thiab cov kev xav tau tshwj xeeb ntawm daim ntawv thov.
Cov Txheej Txheem Degreasing: Npaj Rau Kev Debinding Zoo
Kev tshem roj yog thawj theem tseem ceeb hauv kev npaj cov khoom siv hlau txhaj tshuaj (MIM) rau cov txheej txheem debinding. Nws lub hom phiaj tseem ceeb yog tshem tawm cov feem pua soluble, qis-molecular-weight ntawm cov organic binders - feem ntau yog waxes, roj, lossis polymers - ntawm cov khoom pwm ua ntej cov kauj ruam debinding hnyav dua. Kev ua kom zoo degreasing pab tiv thaiv qhov geometry thiab kev ua haujlwm ntawm lub cev, thiab cuam tshuam ncaj qha rau qhov tsim tawm thiab qhov zoo ntawm cov khoom kawg.
Lub Hom Phiaj thiab Qhov Tseem Ceeb ntawm Kev Tshem Tawm Roj Ua Ntej Kev Tshem Tawm hauv MIM
Hauv MIM, cov khoom ntsuab muaj ib feem tseem ceeb ntawm cov binder uas tuav cov hmoov hlau ua ke. Ua ntej cov khoom no raug rau kev debinding ntau dua, xws li thermal lossis catalytic debinding, thawj qhov kev tshem tawm binder yog ua tiav los ntawm degreasing. Cov kauj ruam no siv cov kuab tshuaj lossis cov kua dej vapor-phase los yaj thiab rho tawm cov khoom binder yooj yim yaj. Kev degreasing kom zoo tiv thaiv kev tsim cov pa roj sai thaum lub sijhawm debinding tom qab, uas tuaj yeem ua rau muaj kev ntxhov siab, tawg, lossis qhov khoob sab hauv, tshwj xeeb tshaj yog nyob rau hauv cov geometries nyuaj lossis nyias-phab ntsa.
Los ntawm kev rho tawm cov feem pua ntawm cov khoom sib txuas thawj zaug, kev tshem tawm cov roj tseem ceeb txo qis qhov kev pheej hmoo uas cuam tshuam nrog kev poob cov khoom sib txuas tsis sib xws lossis sai sai hauv cov kauj ruam thermal lossis catalytic debinding tom qab. Cov txheej txheem no pab tswj kom muaj kev ruaj khov ntawm qhov ntev thiab tiv thaiv cov yam ntxwv tseem ceeb hauv cov ntawv thov siab xws li cov khoom siv kho mob lossis cov khoom siv hluav taws xob me me.
Cov kua roj degreasing feem ntau siv rau hauv kev npaj MIM
Kev xaiv cov kua degreasing yog khi ze rau cov qauv binder thiab geometrical complexity ntawm qhov khoom. Cov kua degreasing feem ntau siv hauv MIM yog:
- Cov kuab tshuaj uas tsis yog polar:Acetone, heptane, thiab cyclohexane yaj tau zoo cov roj nplaum uas muaj roj hmab lossis cov roj hydrocarbon ntau.
- Cov kuab tshuaj polar:Cov cawv lossis cov khoom sib xyaw raug siv thaum muaj cov kab ke polymeric lossis polar binder.
- Cov tshuaj ntxuav roj tshwj xeeb:Cov txheej txheem sib xyaw ua ke yog tsim los kom ua kom zoo tshaj plaws kev yaj, kev nyab xeeb ntawm cov txheej txheem, lossis txo cov kev cuam tshuam rau ib puag ncig.
- Cov kua dej ua kom cov roj av qhuav:Cov neeg sawv cev tshwj xeeb uas siv cov pa tshuaj uas tswj tau kom rho tawm tau zoo ib yam.
Cov txheej txheem tshem roj hauv kev lag luam siv tau cov chav dej uas muab dej rau hauv, cov chav ua pa, lossis cov tshuab tsuag, feem ntau nrog kev sib xyaw lossis ultrasonics los txhawb kev nkag mus rau hauv cov kuab tshuaj thiab kev sib kis ntawm cov khoom sib txuas. Qib ntawm kev ua haujlwm tuaj yeem cuam tshuam los ntawm qhov kub ntawm cov kuab tshuaj, kev sib xyaw, lub sijhawm raug, thiab kev sib xyaw ib feem.
Kev Sib Txuas Ntawm Kev Ua Haujlwm Degreasing thiab Kev Ua Haujlwm Debinding Tom Qab
Kev tshem roj zoo ua rau txhua txoj kev tshem roj tawm zoo. Kev tshem tawm cov roj sib xyaw uas yaj tau tag nrho ua rau muaj ntau yam teeb meem tseem ceeb:
- Cov khoom seem ua rau cov qhov tsis sib npaug, ua rau muaj kev tawg lossis warping thaum lub sijhawm thermal lossis catalytic debinding.
- Cov khoom seem uas tshuav tom qab yuav ua rau muaj kev cuam tshuam lossis lwj tsis zoo, ua rau muaj kev ua qias tuaj ntawm qhov chaw lossis ua rau muaj qhov porosity ntau ntxiv hauv qhov sintered.
- Thaum kev tshem roj tawm tau zoo - siv cov hom kua thiab cov txheej txheem kom raug - tom qab ntawd kev tshem roj los ntawm cua sov lossis catalytic ua tiav zoo dua thiab sai dua, txo lub sijhawm ua haujlwm thiab txo cov nqi puas tsuaj.
Kev tswj xyuas zoo ntawm kev tshem roj feem ntau ua tiav los ntawm cov txheej txheem saib xyuas lub sijhawm tiag tiag. Cov cuab yeej hauv kab xws li lub ntsuas qhov ceev ntawm cov kua lossis lub ntsuas qhov ceev ntawm ultrasonic pab taug qab kev nce qib ntawm kev rho tawm los ntawm kev ntsuas kev hloov pauv ntawm qhov ceev ntawm cov kuab tshuaj lossis cov khoom sib xyaw. Cov khoom siv xws li Lonnmeter ultrasonic density meter lossis Lonnmeter chemical concentration meter siv rau kev ntsuas qhov ceev ntawm cov kua ultrasonic, muab cov ntaub ntawv muaj txiaj ntsig los tiv thaiv kev ua tiav tsis tiav lossis ntau dhau. Cov kev ntsuas no ua kom ntseeg tau tias cov khoom sib txuas uas xav tau tau raug tshem tawm, txhawb nqa ncaj qha rau kev rov ua dua thiab cov khoom zoo hauv ob qho tib si solvent debinding thiab hybrid lossis catalytic debinding txoj kev.
Hauv kev xaus, cov txheej txheem degreasing tsis yog tsuas yog hais txog kev tshem tawm cov binder thawj zaug xwb tab sis yog ib kauj ruam tseem ceeb, zoo-tuned uas txiav txim siab qhov ua tiav ntawm tag nrho MIM debinding workflow thiab qhov zoo ntawm qhov kawg.
Cov Txheej Txheem Debinding Solvent: Cov Ntsiab Cai thiab Cov Kev Xyaum Zoo Tshaj Plaws
Kev tshem tawm cov kuab tshuaj yog ib kauj ruam tseem ceeb hauv cov txheej txheem tshem tawm cov kuab tshuaj rau kev txhaj tshuaj hlau (MIM) thiab lwm yam kev tsim khoom siab heev. Kev xaiv cov kuab tshuaj kom haum - thiab kev tswj cov txheej txheem txheej txheem - cuam tshuam ncaj qha rau cov nqi tshem tawm cov binder, qhov zoo ntawm ib feem, thiab kev nyab xeeb ntawm kev ua haujlwm. Ntu no piav qhia txog cov txheej txheem tshem tawm cov kuab tshuaj tseem ceeb hauv kev tsim khoom, cov yam ntxwv tseem ceeb, thiab tus nqi ntawm kev ntsuas qhov ceev ntawm cov kua rau kev tswj cov txheej txheem.
Cov Ntsiab Lus Tseem Ceeb ntawm Cov Txheej Txheem Debinding Solvent
Cov txheej txheem tshem tawm cov kuab tshuaj tsom mus rau kev tshem tawm cov feem me me uas yaj tau ntawm cov khoom sib txuas ntawm cov khoom ntsuab uas pwm. Cov kev xaiv siv cov kuab tshuaj feem ntau suav nrog:
- n-Heptane:Zoo rau cov txheej txheem binder uas siv los ntawm xibtes stearin, siv dav rau cov hlau magnesium (piv txwv li, ZK60) thiab cov hlau nickel superalloys ntawm 60 ° C. Kev rho tawm feem ntau ua tiav hauv 4 teev, zoo rau kev tshem tawm roj sai thiab tsim cov qhov.
- Cyclohexane:Ib qho kev xaiv zoo rau cov organic rog-muaj cov binders, nrog rau cov kev cai tswj kub zoo sib xws.
- Acetone:Siv rau cov txheej txheem organic binder tshwj xeeb, tshwj xeeb tshaj yog thaum cov tshuaj binder txhawb nqa acetone solubility.
- Dej:Zoo tagnrho rau cov khoom siv khi uas muaj polyethylene glycol (PEG). Thaum cua sov, dej tuaj yeem muab cov khoom sib txuas uas mos dua, muaj kev nyab xeeb dua piv rau cov organic solvents, tshwj xeeb tshaj yog hauv kev tsim khoom ntxiv.
- Nitric Acid Vapor:Siv rau hauv cov txheej txheem catalytic debinding rau polyoxymethylene (POM). Ua haujlwm ntawm qhov kub siab dua (110–120 ° C) thiab ua rau muaj kev xaiv, sai sai binder tawg.
Kev ua haujlwm kub ntau yamyog qhov tseem ceeb rau kev tswj cov nqi rho tawm ntawm cov binder thiab tiv thaiv kom tsis txhob muaj cov khoom ntau dhau o lossis qhov chaw mos. Piv txwv li, kev tshem tawm cov roj xibtes stearin hauv ZK60 magnesium alloy compacts tau zoo tshaj plaws ntawm 60 ° C, sib npaug qhov kev tshem tawm sai nrog qhov kev pheej hmoo tsawg kawg ntawm kev hloov pauv ntawm ib feem.
Cov khoom sib xyaw ua ke thiab cov qauv geometric nyuaj yuav tsum tau ua tib zoo sib npaug—yog tias qhov kub ntawm cov kuab tshuaj siab dhau lossis nyob ntev dhau, qhov o tuaj yeem loj heev lossis poob lub zog ntsuab. Ntawm qhov tod tes, qhov kub tsis txaus lossis kev raug cov kuab tshuaj tsis txaus tuaj yeem ua rau tshem tawm cov khoom sib xyaw tsis tiav, ntes cov organic seem.
Kev Ntsuas Qhov Ceev ntawm Cov Kua in Kev Tshem Tawm Cov Ntawv Txuas
Kev saib xyuas cov tshuaj yaj hauv kab yog qhov tseem ceeb rau kev tswj hwm qhov sib xws ntawm cov txheej txheem debinding. Cov ntsuas dej ceev - xws li Lonnmeter ultrasonic density meter thiab Lonnmeter chemical concentration meter - muab cov lus teb tam sim ntawd txog qhov huv ntawm cov tshuaj yaj thiab qhov concentration ntawm cov binder thaum lub sijhawm tshem roj.
Thaum cov binder yaj mus ua cov kuab tshuaj, qhov ceev thiab viscosity ntawm cov khoom sib tov hloov pauv ntau yam. Kev ntsuas qhov ceev ntawm cov kua ultrasonic muab kev ntsuas tsis muaj kev cuam tshuam, raug ntawm cov tshuaj lom neeg. Qhov no ua rau cov neeg teb xov tooj tuaj yeem:
- Taug qab cov theem ntawm cov kuab tshuaj uas saturate, tiv thaiv kom tsis txhob muaj kev hloov pauv ntawm cov txheej txheem.
- Soj ntsuam qhov kinetics ntawm cov binder dissolving thiab kev ua tiav ntawm ntau pawg sib txawv.
- Kho cov nqi ua kom cov kuab tshuaj tshiab, lub sijhawm nyob, thiab qhov kub raws li cov lus teb rov qab tiag tiag.
- Tiv thaiv kom tsis txhob muaj kev o lossis mos muag ntau dhau uas ua ntej muaj kev hloov pauv sai sai.
Cov Teeb Meem Hauv Kev Lag Luam: Kev Sib Npaug ntawm Tus Nqi Tshem Tawm thiab Kev Ncaj Ncees
Cov chaw tsim khoom ntsib teeb meem tsis tu ncua hauv cov txheej txheem solvent debinding piv rau catalytic debinding. Kev ua kom sai ntawm kev debinding los ntawm qhov kub siab dua lossis cov kuab tshuaj hnyav tuaj yeem ua rau muaj kev phom sij rau qhov zoo ntawm cov khoom ntsuab, ua rau o thiab distortion. Lub sijhawm no, cov xwm txheej ceev faj dhau tuaj yeem ua rau kev tshem tawm roj tsis tiav, tso cov organic uas ua rau muaj kev cuam tshuam rau qhov kawg sintering.
Cov txheej txheem tshem roj hauv kev lag luam zoo sib npaug qhov ceev ntawm kev tshem tawm nrog kev ruaj khov ntawm cov khoom. Kev xaiv cov kuab tshuaj, qhov kub, thiab txoj kev ntsuas (tshwj xeeb yog kev siv cov ntsuas ultrasonic rau kev saib xyuas cov tshuaj lom neeg) ua rau muaj qhov sib npaug no. Cov qauv kwv yees dav dav, cov kev coj ua zoo tshaj plaws, thiab kev saib xyuas cov kua dej tiag tiag yog qhov tseem ceeb rau kev tshem tawm cov khoom sib txuas zoo hauv MIM thiab cov ntsiab lus tsim khoom.
Cov Txheej Txheem Catalytic Debinding: Cov Txheej Txheem thiab Kev Tswj Xyuas Txheej Txheem
Kev tshem tawm cov khoom siv catalytic yog ib txoj kev tshem tawm cov khoom siv tshwj xeeb uas siv dav hauv kev txhaj tshuaj molding hlau (MIM) thiab kev txhaj tshuaj molding ceramic (CIM). Tsis zoo li kev tshem tawm cov kuab tshuaj, uas siv cov kuab tshuaj kua los yaj cov khoom sib txuas, kev tshem tawm cov khoom sib txuas polymer thawj zaug los ntawm kev sib xyaw tshuaj nrog cov pa kua qaub. Ntu no piav qhia txog cov txheej txheem, cov txheej txheem hloov pauv, cov tshuaj sib txuas ib txwm muaj, cov txiaj ntsig sib piv, thiab lub luag haujlwm ntawm kev saib xyuas qhov ceev hauv kev tswj cov txheej txheem.
Chemistry ntawm Acid Vapor Debinding
Hauv lub plawv ntawm kev sib txuas catalytic, lub kaw lus binder muaj cov polymer, feem ntau yog polyoxymethylene (POM), uas dhau los ntawm acid-catalyzed depolymerization. Ib txwm muaj, cov pa nitric acid nkag mus rau hauv qhov "ntsuab" porous, reacting nrog POM los tsim cov pa formaldehyde volatile. Tsis ntev los no, oxalic acid hmoov tau siv ua lub hauv paus vapor hauv cov cartridges tsim tshwj xeeb. Thaum cua sov, oxalic acid sublimes los ua cov pa acid uas zoo sib xws catalyze qhov tawg ntawm POM, pab txhawb kev tuav pov hwm zoo dua thiab txo cov kev phom sij ib puag ncig piv rau cov kab ke nitric acid.
Lub Luag Haujlwm ntawm Kev Ntsuas Qhov Ceev ntawm Cov Kua hauv Kev Tshem Tawm thiab Tshem Cov Roj
Hauv cov txheej txheem txhaj tshuaj hlau (MIM), kev ntsuas qhov ceev ntawm cov kua dej yog qhov tseem ceeb rau ob qho tib si degreasing thiab debinding theem, vim tias cov no qhia txog qhov zoo ntawm qhov chaw, qhov tsis zoo, thiab tag nrho cov txheej txheem ua haujlwm tau zoo. Kev xaiv thiab kev tswj hwm ntawm qhov ceev ntawm cov kua dej ncaj qha cuam tshuam rau kev thauj mus los ntawm huab hwm coj thiab kev tshem tawm cov binder thaum lub sijhawm debinding hauv kev tsim khoom, suav nrog cov kuab tshuaj debinding thiab cov txheej txheem catalytic debinding.
Vim li cas cov kua dej ntom ntom thiaj li tseem ceeb rau MIM degreasing thiab debinding
Kev ua haujlwm ntawm cov txheej txheem debinding yog nyob ntawm qhov kev hloov pauv ntawm cov kua thiab cov khoom "ntsuab" uas tau pwm. Hauv kev tshem tawm cov kuab tshuaj, qhov ceev ntawm cov kua txiav txim siab qhov nkag mus thiab kev rho tawm. Cov kuab tshuaj uas muaj qhov ceev tsawg dua ua rau muaj kev sib kis sai dua tab sis yuav ua rau tshem tawm cov binder tsis tiav, tsim kev ntxhov siab sab hauv lossis cov khoom tsis sib xws. Qhov sib piv, cov kuab tshuaj uas muaj qhov ceev ntau dua feem ntau muab cov binder rho tawm sib xws dua, tshwj xeeb tshaj yog nyob rau hauv cov khoom uas muaj cov ntu tuab. Qhov no txo cov kab nrib pleb, kev khoov, lossis cov binder uas raug ntes, uas yuav ua rau lub zog kho tshuab tsis zoo tom qab sintering. Cov ntsiab cai zoo sib xws siv rau hauv catalytic debinding - qhov ceev ntawm cov kua cuam tshuam rau kev ua haujlwm capillary thiab kev tsiv teb tsaws chaw ntawm cov binder, yog li kev tswj hwm cov khoom no yog qhov tseem ceeb thoob plaws ob qho tib si cov kuab tshuaj thiab catalytic debinding txoj kev.
Kev cuam tshuam ntawm cov ntaub ntawv ceev nrooj tiag tiag rau kev ua kom zoo dua qub thiab kev tiv thaiv qhov tsis zoo
Kev saib xyuas lub sijhawm tiag tiag ntawm cov kua dej ua haujlwm debinding yog qhov tseem ceeb rau kev teb rau kev hloov pauv ntawm cov kuab tshuaj concentration lossis kev ua qias tuaj, uas tuaj yeem tshwm sim thaum siv ntau zaus. Kev tswj cov txheej txheem tau txais txiaj ntsig los ntawm kev ntsuas tas mus li: los ntawm kev siv cov khoom siv inline xws li Lonnmeter ultrasonic density meters lossis chemical concentration meters, cov neeg ua haujlwm tuaj yeem kho qhov sib txawv sai. Qhov no txo qhov kev pheej hmoo ntawm kev dhau-lossis qis-debinding, yog li tiv thaiv cov qhov tsis zoo xws li porosity, dimensional instability, lossis "black core" residues. Cov kev tshawb fawb qhia tau hais tias hauv cov hlau tsis xeb MIM daim ntawv thov, kev tswj cov kua dej ceev hauv lub qhov rais txhais tau tias txhim kho cov binder tshem tawm feem pua txog li 15%, nrog rau tsawg dua cov qhov tsis zoo tom qab sintering. Txoj hauv kev tsav tsheb ntawm cov ntaub ntawv no kuj tseem txiav cov khib nyiab thiab txhim kho kev sib xws ntawm pawg-rau-pawg, tshwj xeeb tshaj yog nyob rau hauv cov chaw tsim khoom siab.
Cov txheej txheem rau kev ntsuas cov kua thiab cov kuab tshuaj concentration
Kev ntsuas dej ib txwm tseem yog tus qauv hauv qee qhov chaw; nws cuam tshuam nrog kev muab lub ntab calibrated rau hauv cov kua thiab nyeem qhov ceev ntawm lub nplai. Txawm hais tias yooj yim, hydrometry feem ntau raug txwv los ntawm kev tuav tes, kev nyeem ntawv subjective, thiab tsis muaj peev xwm muab cov ntaub ntawv txuas ntxiv mus rau hauv cov xwm txheej dynamic uas feem ntau yog cov txheej txheem degreasing hauv kev lag luam.
Cov ntsuas qhov ceev siab heev muaj ntau qhov zoo hauv cov txheej txheem niaj hnub no. Kev ntsuas qhov ceev ntawm cov kua dej ultrasonic, uas tau siv rau hauv cov khoom siv zoo li Lonnmeter ultrasonic density meter, ntes cov kev hloov pauv ntawm qhov ceev siv qhov ceev ntawm lub suab hauv cov kua. Cov ntsuas inline no tsis cuam tshuam los ntawm cov xim ntawm cov kua lossis qhov turbidity, xa cov zis digital tiag tiag uas haum rau kev tswj cov txheej txheem tsis siv neeg. Cov ntsuas concentration tshuaj los ntawm Lonnmeter ua haujlwm zoo sib xws thiab tuaj yeem tsim rau cov kua dej debinding vs catalytic debinding, txhawb kev taug qab qhov tseeb ntawm cov piv ntawm cov kuab tshuaj lossis cov tshuaj lom neeg hauv cov kua sib xyaw.
Kev siv cov ntsuas dej ceev uas ua haujlwm tau tiag tiag, ua rau muaj zog rau kev tswj cov txheej txheem catalytic thiab solvent debinding thiab cov txheej txheem degreasing hauv kev lag luam, tsim cov khoom hlau uas zoo ib yam, tsis muaj qhov tsis zoo. Txoj hauv kev no ua rau muaj kev cuam tshuam sai, sau cov ntaub ntawv tau zoo, thiab thaum kawg ua rau cov txheej txheem ua haujlwm tau zoo dua - txhua yam tsav los ntawm kev ntsuas qhov ceev ntawm cov kua thiab kev sib xyaw ua ke.
Kev tshem tawm catalytic
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Kev Siv Cov Ntsuas Ultrasonic thiab Tshuaj Concentration hauv MIM
Kev Ua Haujlwm thiab Cov Zoo ntawm Lonnmeter Ultrasonic Density Meter
Lub Lonnmeter ultrasonic density meter ua rau tsis muaj kev cuam tshuam, txuas ntxiv mus, thiab ntsuas lub sijhawm tiag tiag ntawm cov kua dej ceev hauv cov txheej txheem txhaj tshuaj hlau (MIM). Los ntawm kev xa cov nthwv dej ultrasonic zaus siab dhau los ntawm qhov nruab nrab, nws xam qhov ceev raws li lub suab nrov thiab kev txo qis. Txoj kev no zam kev kuaj mob, khaws cia kev ncaj ncees ntawm cov txheej txheem thiab txo qhov kev pheej hmoo ntawm kev ua qias tuaj.
Kev saib xyuas tas mus li ua kom paub tseeb tias muaj qhov tsis zoo xws li kev sib cais ntawm cov khoom noj, kev hloov pauv ntawm cov khoom sib txuas, lossis kev sib sau ua ke ntawm cov khoom me me. Hauv cov txheej txheem tshem tawm cov kuab tshuaj, kev nyeem cov ntaub ntawv ceev ceev hauv kab pab tswj cov kuab tshuaj uas xav tau, cuam tshuam ncaj qha rau qhov nrawm ntawm kev tshem tawm cov khoom sib txuas thiab qhov zoo ntawm cov khoom kawg. Rau kev tshem tawm cov tshuaj catalytic, lub ntsuas muab cov lus teb tam sim ntawd rau cov khoom sib xyaw, tso cai rau cov neeg teb xov tooj kho cov xwm txheej kom tiv thaiv kev tshem tawm cov khoom sib txuas tsawg lossis ntau dhau.
Kev tswj cov txheej txheem tiag tiag ua rau kom zoo dua qub thiab txo cov khoom pov tseg. Piv txwv li, qhov hloov pauv ntawm qhov ceev hauv cov khoom sib txuas-hlau slurries tuaj yeem qhia txog kev sib tov tsis raug lossis kev thauj hmoov. Cov kev kho sai sai raws li cov zis ntawm lub ntsuas qhov ceev pab tswj cov khoom siv kho tshuab zoo tshaj plaws thiab qhov ruaj khov ntawm cov khoom tiav. Kev hloov kho hauv cov txheej txheem degreasing - xws li cov nqi ntws lossis kev hloov pauv cov kuab tshuaj - tau ua kom yooj yim siv cov ntaub ntawv los ntawm lub ntsuas, kom ntseeg tau tias cov qauv degreasing kev lag luam sib xws tau ua tiav.
Lub Lonnmeter Tshuaj Concentration Meter
Cov Ntsiab Cai ntawm Kev Ua Haujlwm
Lub Lonnmeter chemical concentration meter ua haujlwm los ntawm kev ntsuas cov khoom siv lub cev - xws li refractive index lossis electrical conductivity - cuam tshuam nrog qhov concentration ntawm cov tshuaj yaj. Qee cov qauv muaj cov optical lossis electrochemical sensors, tsim cov ntaub ntawv concentration tseeb rau cov kuab tshuaj, catalysts, lossis cov neeg sawv cev ntxiv.
Kev Txhim Kho Lub Zog ntawm Cov Tshuaj Solvent lossis Catalytic Agent
Kev ntsuas qhov concentration kom raug yog qhov tseem ceeb hauv kev kho qhov muaj zog ntawm cov kuab tshuaj lossis cov catalyst kom haum rau cov txheej txheem debinding tshwj xeeb - xws li solvent debinding lossis catalytic debinding. Rau kev debinding ntawm cov kuab tshuaj, kev tswj qhov concentration zoo tshaj plaws ua rau cov binder yaj sai yam tsis muaj cov seem lossis kev cuam tshuam. Hauv kev debinding catalytic, lub ntsuas pab kho cov theem carrier kom tus neeg sawv cev catalytic teb tau zoo, sib npaug qhov ceev ntawm kev debinding nrog qhov kawg ntawm cov khoom.
Cov txheej txheem tshem roj hauv kev lag luam vam khom kev tswj hwm qhov tseeb ntawm cov tshuaj lom neeg kom ua kom huv si zoo tshaj plaws thaum txo qis kev pov tseg. Lub ntsuas tshuaj lom neeg Lonnmeter muab cov ntaub ntawv tam sim ntawd rau kev tswj hwm cov dej lossis cov khoom noj khoom haus tas mus li.
Txhim Kho Kev Siv Tshuab thiab Kev Ntsuas Zoo los ntawm Kev Saib Xyuas Zoo
Kev siv lub tshuab ntsuas tshuaj lom neeg los sib xyaw ua ke rau hauv cov tshuab rho tawm cov tshuaj lom neeg ua rau kev tswj hwm cov txheej txheem nruj dua thiab txhawb nqa kev ntseeg siab zoo. Kev kho cov txheej txheem tshwm sim sai, uas tshwm sim los ntawm kev hloov pauv ntawm kev nyeem cov tshuaj lom neeg. Txoj hauv kev no txo qis kev cuam tshuam tes, txo qhov yuam kev ntawm tus neeg teb xov tooj, thiab ua rau cov ntaub ntawv txheej txheem taug qab tau.
Cov ntaub ntawv concentration uas nce ntxiv pab ncaj qha rau kev ua raws li cov txheej txheem debinding hauv cov qauv tsim khoom. Cov neeg ua haujlwm tau txais kev ntseeg siab hauv kev sib xws ntawm cov pawg rau cov txheej txheem debinding solvent thiab catalytic debinding. Cov txiaj ntsig tseem ceeb suav nrog:
- Kev ua haujlwm ntau dua nrog tsawg dua qhov tsis lees txais,
- Kev txhim kho qhov sib xws ntawm qhov ntev,
- Kev lees paub yooj yim ntawm cov txheej txheem debinding.
Los ntawm kev tswj xyuas qhov tseeb, tsis siv neeg nrog Lonnmeter ultrasonic density thiab chemical concentration meters, MIM kev ua haujlwm ua tiav kev tswj hwm zoo rau ob qho tib si degreasing thiab debinding theem, txo qhov kev pheej hmoo ntawm qhov tsis zoo thiab xyuas kom meej tias cov khoom zoo.
Cov Lus Qhia Siv Tau Rau Kev Koom Ua Ke Cov Ntsuas Qhov Ceev Hauv Kev Ua Haujlwm MIM
Kev xaiv cov ntsuas dej kom haum rau kev tshem roj thiab tshem cov kab hauv cov hlau txhaj tshuaj molding (MIM) yuav tsum tau ua tib zoo saib xyuas cov tshuaj lom neeg ntawm cov kuab tshuaj, qhov kub ntawm cov txheej txheem, thiab kev pheej hmoo ntawm kev ua qias tuaj. Cov khoom siv xaiv yuav tsum muab cov kev ntsuas kom raug kom tswj tau cov txheej txheem tshem tawm hauv kev tsim khoom, txawm tias siv cov kuab tshuaj tshem tawm lossis cov tshuaj catalytic tshem tawm.
Kev Sib Txuas Lus Txog Kev Nyeem Qhov Ceev Nrog Cov Txheej Txheem Kawg thiab Qhov Zoo
Kev taug qab qhov ceev kom meej ua rau kev txheeb xyuas cov theem tseem ceeb ntawm cov txheej txheem hauv kev tshem tawm cov kuab tshuaj. Thaum lub sijhawm tshem tawm cov kuab tshuaj, qhov poob qis ntawm qhov ceev ntawm cov kua feem ntau qhia txog kev yaj ntawm cov binder, qhia txog kev tshem tawm cov roj zoo. Hauv kev tshem tawm cov tshuaj catalytic, kev hloov pauv ntawm qhov ceev tuaj yeem pab ua kom zoo tshaj plaws ntawm kev sib sau ua ke ntawm cov catalyst thiab lub sijhawm raug rau kev tshem tawm tag nrho cov binder.
Kev sib txuas lus tas li ntawm kev nyeem qhov ceev nrog cov txiaj ntsig zoo ntawm ib feem—xws li kev ua tiav ntawm kev tshem tawm cov binder, qhov xwm txheej ntawm qhov chaw, thiab kev ruaj khov ntawm qhov ntev—ua rau muaj kev txhim kho tas mus li. Piv txwv li, kev kuaj xyuas qhov ceev ntau zaus tuaj yeem txheeb xyuas qhov kev sib txuas tsis tiav uas yuav tshwm sim los ntawm kev tsis txaus ntawm cov kuab tshuaj lossis kev ncig tsis zoo. Cov neeg ua haujlwm tuaj yeem tsim cov nqi qis rau qhov ceev ntawm qhov kawg, siv Lonnmeter ultrasonic density meters cov ntaub ntawv tiag tiag los nres cov txheej txheem thaum lub hom phiaj tau ua tiav.
Kev siv cov ntsuas concentration tshuaj ntxiv txhim kho kev tswj hwm, tshwj xeeb tshaj yog rau cov kuab tshuaj uas yooj yim hloov pauv volumetric lossis ua qias tuaj. Los ntawm kev txuas cov ntaub ntawv ceev thiab concentration, cov neeg ua haujlwm ua kom ntseeg tau tias kev txiav txim siab solvent debinding vs catalytic debinding tseem yog cov ntaub ntawv tsav, txhawb nqa qhov zoo rov ua dua thiab cov nqi pov tseg tsawg kawg nkaus thoob plaws kev tsim khoom ntev.
Cov qauv sib piv offline nquag—txhawb nqa los ntawm kev nyeem ntawv inline—paub meej tias cov meters tau teeb tsa muaj kev ntseeg siab thiab muab kev nkag siab rau kev ua kom zoo dua ntxiv, tshwj xeeb tshaj yog qhov twg qhov ntau thiab tsawg ntawm qhov ceev uas kam rau siab yog nruj lossis qhov twg cov zaub mov txawv ntawm cov khoom sib txawv.
Kev daws teeb meem ntawm cov teeb meem uas feem ntau tshwm sim hauv kev tshem roj thiab kev tshuaj xyuas cov kua dej
Qhov yuam kev ntsuas hauv kev tshem roj thiab kev saib xyuas cov kua dej tawm tuaj yeem ua rau tsis muaj kev tswj hwm cov txheej txheem thiab qhov zoo ntawm qhov kawg. Cov qhov yuam kev tseem ceeb suav nrog kev ua qias tuaj, kev hloov pauv kub, thiab kev cuam tshuam ntawm lub tshuab. Txhua yam cuam tshuam qhov tseeb ntawm cov ntsuas dej ceev thiab cov ntsuas tshuaj lom neeg.
Kev daws cov teeb meem ntawm kev ntsuas
Cov khoom tsis huv—xws li cov khoom seem uas tseem tshuav, cov roj ua haujlwm, lossis cov khoom txawv teb chaws—tuaj yeem hloov pauv qhov ceev ntawm cov kua dej. Qhov no ua rau cov kev nyeem ntawv tsis sib xws los ntawm cov ntsuas qhov ceev ntawm ultrasonic, ua rau muaj kev xav tsis tseeb txog kev hloov pauv huab hwm coj hauv cov txheej txheem kev tshem tawm cov kuab tshuaj lossis cov txheej txheem kev tshem tawm catalytic. Cov chaw ua qias tuaj ib txwm muaj xws li kev ntxuav ua ntej tsis tiav lossis cov khib nyiab uas poob los ntawm cov cuab yeej MIM.
Qhov kub thiab txias hloov pauv cuam tshuam rau qhov ceev thiab viscosity ntawm cov kua degreasing. Lonnmeter ultrasonic density meters thiab chemical concentration meters vam khom qhov kub thiab txias ruaj khov rau kev ntsuas rov ua dua. Yog tias qhov kub hloov pauv los ntawm ob peb degrees thaum lub sijhawm solvent debinding lossis catalytic debinding, kev nyeem cov kua density yuav tsis ntseeg tau. Qhov no tuaj yeem ua rau muaj qhov yuam kev hauv cov nqi tshem tawm binder thiab ua rau muaj kev phom sij rau kev sib npaug ntawm kev sib npaug.
Tej yam tsis zoo ntawm lub tshuab, xws li kev co los ntawm cov tshuab lossis kev hloov pauv ntawm qhov ntws sai sai, kuj cuam tshuam qhov tseeb ntawm lub sensor. Cov no tuaj yeem ua rau muaj qhov nce lossis poob cuav thaum saib xyuas kev ua haujlwm ntawm cov txheej txheem tshem tawm cov kuab tshuaj.
Cov Kev Kho Kom Zoo thiab Kev Tshawb Xyuas Ib Txwm Rau Kev Ruaj Ntseg
Kev ntsuas tsis tu ncua yog qhov tseem ceeb rau kev tswj hwm kev ntseeg tau ntawm lub sensor. Cov neeg ua haujlwm yuav tsum ntsuas Lonnmeter ultrasonic density meters thiab chemical concentration meters ntawm lub sijhawm teev tseg, piv rau cov qauv paub ua ntej kev tshem tawm cov kuab tshuaj thiab thaum lub sijhawm tshem cov roj.
Kev ntxuav cov nto ntawm lub sensor tsis tu ncua yuav txo qhov kev pheej hmoo ntawm kev ua qias tuaj. Kev tshuaj xyuas raws sijhawm ntawm cov chaw ntsuas dej hauv kab tiv thaiv kev sib sau ua ke ntawm cov khoom txawv teb chaws - qhov teeb meem rov tshwm sim hauv ob qho tib si kev tshem tawm cov kuab tshuaj thiab cov txheej txheem tshem tawm catalytic.
Cov ntsuas kub yuav tsum raug thiab sib dhos nrog kev ntsuas qhov ceev. Tshawb xyuas kev ua haujlwm ntawm cov ntsuas txhua lub lim tiam thaum lub sijhawm khiav ntau. Txheeb xyuas qhov nyeem ntawm cov ntsuas thaum pib ntawm txhua lub voj voog - tshwj xeeb tshaj yog rau cov txheej txheem debinding uas rhiab rau cov qauv thermal.
Kev cais cov sensors ua ke yuav txo tau qhov kev co. Siv cov khoom tiv thaiv kev co thiab cov sensors uas nyob deb ntawm cov chaw sib tshuam uas muaj dej ntau hauv cov tshuab tshem roj hauv kev lag luam. Xyuas kom meej tias cov sensor ruaj khov nrog kev ua haujlwm tsis tu ncua.
Lub Luag Haujlwm ntawm Cov Ntsuas Qib Siab hauv Kev Txo Qhov Yuam Kev ntawm Tib Neeg thiab Kev Xyuas Kom Rov Ua Dua
Cov cuab yeej ntsuas qhov ntom ntom ntawm Lonnmeter ultrasonic thiab cov cuab yeej ntsuas concentration ntawm cov tshuaj ua rau kev ntsuas rov ua dua tau zoo dua. Cov ntsuas no tswj tau qhov tseeb siab thaum lub sijhawm saib xyuas tas mus li, txo qhov kev cia siab rau tus neeg teb xov tooj txiav txim siab. Kev them nyiaj kub uas ua rau hauv tsev tiv thaiv kev hloov pauv ntawm qhov kub ntawm cov kua dej, uas yog qhov teeb meem ntau hauv kev sib piv catalytic debinding thiab solvent debinding vs catalytic debinding.
Cov ntsuas siab heev txo qhov kev cuam tshuam tes. Lawv muab cov ntawv nyeem digital ncaj qha uas tuaj yeem sau cia, pab taug qab cov kev ntsuas thoob plaws hauv cov txheej txheem debinding. Kev kuaj xyuas rov ua dua thiab kev kuaj xyuas tus kheej txo cov kev ua yuam kev tes uas ib zaug ua rau muaj kev cuam tshuam rau cov txheej txheem debinding hauv kev tsim khoom.
Piv txwv li, thaum lub sijhawm tshem cov roj hauv kev lag luam, kev ntsuas qhov ceev ntawm cov kua dej hauv Lonnmeter ultrasonic inline ntes tau cov kev hloov pauv me me hauv cov kua dej, ua rau muaj kev kho kom raug raws sijhawm. Cov lus ceeb toom tiag tiag ua rau kev ntxuav lossis rov kho dua - tiv thaiv kev sib xws ntawm cov txheej txheem yam tsis tas yuav siv cov software tshwj xeeb lossis cov tshuab tswj tsis siv neeg.
Cov kev daws teeb meem kho vajtse no xa cov ntaub ntawv txhim khu kev qha txawm tias nyob rau hauv qhov chaw MIM uas nyuaj heev, txhawb kev txo qhov tsis zoo thiab qhov zoo sib xws thoob plaws kev ua haujlwm debinding thiab degreasing.
Cov Lus Nug Feem Ntau (FAQs)
Qhov txawv ntawm degreasing thiab cov txheej txheem debinding hauv kev txhaj tshuaj hlau yog dab tsi?
Kev tshem roj yog hais txog kauj ruam ntxuav thawj zaug kom tshem tawm cov roj, cov roj nplua nyeem, cov kua ua haujlwm, thiab lwm yam khoom tsis huv ntawm qhov chaw ntawm cov khoom ntsuab lossis cov hmoov hlau. Cov txheej txheem no ua kom cov chaw tsis muaj cov khoom seem uas yuav cuam tshuam rau cov kauj ruam tom ntej. Cov txheej txheem suav nrog kev ntxuav cov kuab tshuaj, kev da dej ultrasonic, thiab cov kua dej. Qhov sib txawv, kev tshem tawm cov organic binder, uas suav txog li 40% ntawm cov khoom siv pwm. Kev tshem tawm siv cov kuab tshuaj, catalytic, thermal, lossis cov txheej txheem dej los rho tawm cov binder los ntawm sab hauv ntawm qhov chaw, tsim cov qauv porous uas npaj nws rau sintering. Thaum kev tshem roj tsom mus rau kev ua qias tuaj sab nraud, kev tshem tawm cov binder sab hauv tseem ceeb rau kev ua kom zoo thiab cov khoom kawg ntawm qhov chaw.
Lub ntsuas qhov ceev ntawm cov kua dej pab cov txheej txheem tshem tawm cov kuab tshuaj li cas?
Lub ntsuas qhov ceev ntawm cov kua dej—xws li lub ntsuas qhov ceev ntawm Lonnmeter ultrasonic—muab kev ntsuas tas mus li, lub sijhawm tiag tiag ntawm cov kuab tshuaj hauv lub dab dej debinding. Kev hloov pauv ntawm qhov ceev ntawm cov kua dej qhia txog kev hloov pauv ntawm qhov huv ntawm cov kuab tshuaj, qhov muaj cov khoom sib txuas uas yaj, thiab qib kev ua qias tuaj. Qhov kev saib xyuas no ua rau muaj kev tswj hwm qhov chaw debinding kom meej, ua rau pom sai sai ntawm kev puas tsuaj ntawm cov kuab tshuaj lossis kev thauj khoom ntau dhau. Yog li ntawd, cov chaw tsim khoom tuaj yeem tswj tau qhov nrawm ntawm kev rho tawm cov khoom sib txuas, txwv tsis pub muaj kev pheej hmoo ntawm kev debinding tsis tiav, thiab txhawb nqa qhov zoo ntawm cov khoom uas kwv yees tau, rov ua dua.
Cov txiaj ntsig tseem ceeb ntawm kev siv lub Lonnmeter chemical concentration meter thaum lub sijhawm catalytic debinding yog dab tsi?
Kev tshem tawm cov tshuaj lom neeg siv cov tshuaj lom neeg—xws li cov pa roj acid—los xaiv cov khoom sib txuas ua ke. Lub ntsuas Lonnmeter tshuaj lom neeg muab kev ntsuas ncaj qha, inline ntawm cov pa roj acid lossis cov tshuaj lom neeg qhov concentration. Los ntawm kev taug qab cov tshuaj lom neeg nquag, lub ntsuas txhawb nqa cov txheej txheem ruaj khov, pab tiv thaiv kev tshem tawm qis (qhov twg cov khoom sib txuas seem ua rau cov khoom tsis muaj zog) lossis kev tshem tawm ntau dhau (uas tuaj yeem ua rau cov duab tsis zoo lossis qhov tsis zoo ntawm qhov chaw). Kev tswj hwm qhov concentration txhim khu kev qha ua rau muaj kev ua haujlwm ntau ntxiv, txo cov nqi pov tseg, thiab ua kom ntseeg tau tias kev tshem tawm cov khoom sib txuas tshwm sim ntawm qhov nrawm tsim rau txhua pawg.
Vim li cas kev saib xyuas qhov ceev ntawm cov kua dej thiaj li tseem ceeb hauv cov txheej txheem tshem roj?
Kev tswj kom cov kua degreasing ceev yog qhov tseem ceeb vim nws qhia txog lub peev xwm ntxuav thiab qhov hnyav ntawm cov kua. Thaum cov roj, cov roj nplua nyeem, thiab cov av yaj, qhov ceev ntawm cov kua hloov pauv. Kev siv lub tshuab ntsuas qhov ceev ntawm cov kua ultrasonic Lonnmeter cia cov neeg ua haujlwm taug qab cov khoom sib sau ua ke, qhia thaum twg yuav tsum hloov lossis rov ua dua cov kua, thiab lav tias cov kua ua haujlwm tau zoo txij thaum pib mus txog thaum kawg. Kev saib xyuas qhov ceev tas li txo qhov yuav muaj qhov tsis zoo ntawm qhov chaw, kev ntxuav tsis tiav, thiab ua kom muaj cov xwm txheej zoo tshaj plaws rau kev tshem tawm thiab sintering tom qab.
Puas tuaj yeem ua kom cov tshuaj solvent debinding zoo dua rau cov qauv MIM nyuaj?
Yog. Kev sib xyaw ua ke ntawm qhov ceev thiab kev saib xyuas qhov sib xyaw ua ke ua rau muaj kev hloov kho lub sijhawm debinding thiab lub zog ntawm cov kuab tshuaj raws li qhov tuab ntawm ib feem, cov duab geometries, thiab cov hom binder. Cov qauv txheej txheem tuaj yeem suav nrog cov ntaub ntawv los ntawm cov ntsuas inline xws li Lonnmeter los kho cov hloov pauv zoo, xyuas kom meej tias cov kuab tshuaj nkag mus rau hauv thiab tshem tawm cov binder thoob plaws txhua qhov. Qhov kev hloov kho no yog qhov tshwj xeeb tshaj yog rau cov khoom me me lossis cov khoom nyuaj heev, qhov twg kev debinding tsis sib xws muaj kev pheej hmoo sab hauv, warping, lossis tsis tiav sintering.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-08-2025
