Kev tshuaj xyuas qhov ua rau muaj qhov tsis xws luag hauv cov hmoov hlau txhaj tshuaj molding (MIM)

Oct 31, 2022

Dab tsi yog qhov kev twv txiaj hauv qab?

Underinjection tseem hu ua luv txhaj, tsis txaus filling thiab tsis txaus qhov chaw, feem ntau hu ua underinjection, uas yog hais txog qhov tshwm sim tsis tiav ntawm qhov kawg ntawm cov khoom ntws los yog tsis txaus filling ntawm ib feem ntawm thawj qhov kev kuaj xyuas ntau kab noj hniav, tshwj xeeb tshaj yog nyob rau hauv nyias-walled cheeb tsam los yog qhov kawg ntawm txoj kev ntws. Nws tau pom tias cov yaj condenses yam tsis tau sau cov kab noj hniav, thiab cov khoom molten tsis puv tag nrho tom qab nkag mus rau hauv cov kab noj hniav, ua rau tsis muaj cov khoom siv rau cov khoom.

Cov hauv qab no yog cov ncauj lus kom ntxaws txog qhov ua rau muaj qhov tsis xws luag hauvhlau hmoov txhaj molding(MIM) los ntawm Zhongwei, Qinhuangdao:

1. Kev xaiv cov khoom siv tsis raug: thaum xaiv cov khoom siv, qhov siab tshaj plaws txhaj tshuaj ntawm cov hmoov hlau txhaj tshuaj molding tshuab yuav tsum siab tshaj qhov hnyav tag nrho ntawm cov khoom yas thiab lub nozzle, thiab tag nrho qhov hnyav ntawm cov hmoov hlau txhaj tshuaj molding tshuab tsis tuaj yeem tshaj 85 feem pua ntawm cov yas yas. ntim ntawm hlau hmoov txhaj tshuaj molding tshuab.

2. Cov khoom siv tsis txaus: Tam sim no, feem ntau siv txoj hauv kev los tswj kev pub mis yog qhov ntim khoom noj tas li. Txawm hais tias lub yob cov khoom kom muaj nuj nqis zoo ib yam nrog cov txiv hmab txiv ntoo txoj kab uas hla ntawm cov khoom siv raw, thiab seb puas muaj "bridging" tshwm sim nyob rau hauv qab ntawm lub qhov ncauj noj. Yog tias qhov kub ntawm qhov chaw pub mis yog siab dhau lawm, nws tseem yuav ua rau tsis zoo. Rau qhov no, qhov chaw noj mov yuav tsum tau dredged thiab txias.

3. Cov khoom tsis zoo fluidity: thaum cov khoom fluidity tsis zoo, cov qauv ntawm cov pwm yog cov laj thawj tseem ceeb rau kev txhaj tshuaj. Yog li ntawd, nws yog ib qho tsim nyog los txhim kho qhov tsis txaus ntawm qhov tsis zoo ntawm cov pwm pouring system, xws li tsim nyog qhov chaw khiav hauj lwm, nthuav qhov loj ntawm lub rooj vag, khiav thiab qhov chaw txhaj tshuaj, thiab siv lub nozzle loj. Nyob rau tib lub sijhawm, tus nqi tsim nyog ntawm cov khoom ntxiv tuaj yeem muab ntxiv rau hauv cov khoom siv raw los txhim kho cov dej ntws ntawm cov resin. Tsis tas li ntawd, nws tseem yuav tsum tau kuaj xyuas seb tus nqi ntawm cov khoom siv raw yog ntau dhau, thiab txo nws cov nyiaj kom tsim nyog.

4. Cov roj nplua nyeem ntau dhau: yog tias muaj roj nplua nyeem ntau dhau ntawm cov khoom siv raw, thiab qhov sib txawv ntawm cov hmoov hlau txhaj tshuaj xyuas lub nplhaib thiab lub thoob loj, qhov hnyav ntawm cov khoom molten hauv lub thoob yuav ua rau cov khoom tsis txaus, ua rau hauv kev txhaj tshuaj tsis txaus. Hauv qhov no, cov roj nplua nyeem yuav tsum raug txo qis, qhov kev tshem tawm ntawm lub thoob thiab cov hmoov hlau txhaj tshuaj zawv plaub hau yuav tsum tau hloov kho, thiab cov khoom siv yuav tsum tau kho.

5. Cov khoom txias impurities thaiv cov khoom siv channel: thaum impurities nyob rau hauv cov khoom molten thaiv lub nozzle los yog cov khoom txias blocks lub rooj vag thiab khiav, lub nozzle yuav tsum tau folded los ntxuav los yog nthuav cov khoom txias kab noj hniav thiab khiav seem ntawm cov pwm.

6. Kev tsim tsis tsim nyog ntawm lub rooj vag system: thaum qhov kev kuaj thawj zaug muaj ntau qhov kab noj hniav, cov tsos mob ntawm cov khoom yas feem ntau tshwm sim los ntawm qhov tsis tsim nyog ntawm lub rooj vag thiab kev sib tw khiav. Thaum tsim lub rooj vag system, yuav tsum tau them nyiaj mloog mus rau lub rooj vag sib npaug. Qhov hnyav ntawm cov khoom yas hauv txhua qhov pwm kab noj hniav yuav tsum yog proportional rau lub rooj vag loj, kom tag nrho cov hlau hmoov txhaj tshuaj molding kab noj hniav tuaj yeem sau rau tib lub sijhawm. Qhov chaw ntawm lub rooj vag yuav tsum tau xaiv ntawm phab ntsa tuab, los yog cov qauv tsim ntawm qhov sib npaug ntawm qhov sib cais tuaj yeem siv tau. Yog hais tias lub rooj vag los yog khiav yog me me, nyias thiab ntev, lub siab poob ntawm cov khoom molten raws txoj kev khiav yog loj heev, thiab cov ntws yog thaiv, uas yog ib qho yooj yim ua rau tsis zoo filling. Rau qhov no, qhov chaw khiav thiab qhov rooj vag yuav tsum tau nthuav dav, thiab ntau txoj kev pub mis tuaj yeem siv yog tias tsim nyog.

7. Cov pa tsis zoo ntawm cov pwm: thaum muaj roj ntau ntau hauv cov pwm vim cov pa tsis zoo yog nyem los ntawm cov khoom ntws, uas ua rau muaj kev kub siab ntau dua li MIM siab ntawm cov hmoov hlau txhaj tshuaj molding, nws yuav tiv thaiv cov molten. cov khoom los ntawm kev sau cov hmoov hlau txhaj tshuaj molding kab noj hniav, ua rau hauv qab txhaj tshuaj. Hauv qhov no, nws yuav tsum tau kuaj xyuas seb puas muaj kab mob khaub thuas lossis seb nws txoj haujlwm puas yog. Rau cov pwm nrog cov hlau sib sib zog nqus hmoov txhaj tshuaj molding kab noj hniav, ib qho groove los yog lub qhov cua yuav tsum tau ntxiv rau ntawm ib feem nrog tsawg dua txhaj tshuaj; Ntawm cov pwm kaw qhov chaw, qhov tso pa tawm nrog qhov tob ntawm 0.02 ~ 0.04mm thiab qhov dav ntawm 5 ~ 10mm tuaj yeem teeb tsa. Lub qhov tso pa yuav tsum tau teem rau ntawm qhov kawg filling txoj hauj lwm ntawm cov hlau hmoov txhaj molding kab noj hniav. Thaum siv cov khoom siv raw nrog cov dej noo ntau dhau thiab cov ntsiab lus tsis hloov pauv, cov roj ntau kuj yuav raug tsim tawm, ua rau cov pwm tsis zoo. Nyob rau lub sijhawm no, cov khoom siv raw yuav tsum qhuav thiab cov tshuaj tsis haum tshuaj yuav tsum tau muab tshem tawm.

Tsis tas li ntawd, nyob rau hauv cov txheej txheem ntawm kev ua haujlwm ntawm cov pwm pwm, cov pa tsis zoo tuaj yeem txhim kho los ntawm kev nce pwm kub, txo qhov MIM ceev ntawm cov hmoov hlau txhaj tshuaj, txo cov kev pab cuam ntawm lub rooj vag system, txo cov pwm kaw quab yuam, ua kom lub zog ntawm cov pwm. pwm tshem tawm thiab lwm yam kev pabcuam.

8. Cov pwm kub qis dhau lawm: tom qab cov khoom molten nkag mus rau hauv qhov kub ntawm cov pwm kab noj hniav, nws yuav tsis tuaj yeem sau tag nrho cov ces kaum ntawm cov hlau hmoov txhaj tshuaj molding kab noj hniav vim qhov txias txias. Yog li ntawd, cov pwm yuav tsum tau preheated rau qhov kub thiab txias uas yuav tsum tau los ntawm tus txheej txheem ua ntej pib. Thaum cov pwm nyuam qhuav pib, cov dej txias hauv pwm yuav tsum tau tswj kom zoo. Yog tias cov pwm kub tsis tuaj yeem nce, xyuas seb qhov tsim pwm txias qhov system puas tsim nyog.

9. Melting cov ntaub ntawv kub yog tsawg dhau: feem ntau, nyob rau hauv qhov ntau haum rau hlau hmoov txhaj molding, cov khoom kub yog ze rau ib tug zoo feem ntawm cov pwm filling ntev, thiab cov khiav kev ua tau zoo ntawm tsis tshua muaj kub melting khoom txo, uas shortens lub pwm filling ntev. Thaum cov khoom kub qis dua qhov ntsuas kub uas yuav tsum tau ua los ntawm cov txheej txheem, xyuas seb lub tog raj kheej feeder puas zoo thiab sim ua kom lub tog raj kheej kub. Thaum lub tshuab pib ua haujlwm, qhov kub ntawm lub thoob yog ib txwm qis dua qhov ntsuas kub ntawm qhov ntsuas kub ntawm lub thoob. Nws yuav tsum raug sau tseg tias lub tshuab tuaj yeem pib tsuas yog tom qab lub thoob tau rhuab mus rau qhov ntsuas kub rau ib lub sijhawm. Yog tias tsim nyog los txhaj MIM nrog cov hmoov hlau uas tsis tshua muaj kub los tiv thaiv cov khoom molten decomposition, lub sij hawm voj voog ntawm cov hmoov hlau txhaj tshuaj MIM tuaj yeem tsim nyog txuas ntxiv kom kov yeej hauv kev txhaj tshuaj. Rau cov ntsia hlau hlau hmoov txhaj tshuaj molding tshuab, qhov kub ntawm sab pem hauv ntej ntawm lub thoob tuaj yeem tsim nyog nce.

10. Lub nozzle kub yog tsawg dhau: thaum lub sij hawm hlau hmoov txhaj rau hauv MIM, lub nozzle yog nyob rau hauv kev sib cuag nrog cov pwm. Txij li thaum pwm kub feem ntau qis dua qhov kub ntawm lub nozzle, thiab qhov kub sib txawv yog qhov loj, qhov kub ntawm lub nozzle yuav poob tom qab kev sib cuag ntawm ob, ua rau cov khoom molten khov ntawm lub nozzle. Yog tias tsis muaj cov khoom siv txias txias hauv cov pwm pwm, cov khoom txias yuav khov tam sim ntawd tom qab nkag mus rau hauv cov hmoov hlau txhaj tshuaj molding kab noj hniav, kom cov khoom kub yaj uas ntsaws tom qab tsis tuaj yeem sau cov hmoov hlau txhaj tshuaj molding kab noj hniav. Yog li ntawd, lub nozzle yuav tsum tau muab cais tawm ntawm cov pwm thaum lub sij hawm pwm qhib kom txo cov pwm kub ntawm lub nozzle qhov kub thiab txias ntawm lub nozzle nyob rau hauv ntau yam uas yuav tsum tau los ntawm tus txheej txheem. Yog tias qhov kub ntawm lub nozzle qis dhau los nce, xyuas seb lub tshuab cua sov lub nozzle puas puas thiab sim ua kom qhov kub ntawm lub nozzle. Tsis tas li ntawd, kev poob siab ntau dhau ntawm cov khoom ntws yuav ua rau qis qis.

11. Tsis txaus MIM siab lossis siab tuav ntawm cov hmoov hlau txhaj tshuaj: cov txheej txheem siab ntawm cov hmoov hlau txhaj tshuaj yog ze rau qhov zoo ntawm cov pwm filling ntev, MIM kev txhaj tshuaj siab me dhau, cov pwm filling ntev yog luv, thiab hlau hmoov txhaj tshuaj molding kab noj hniav tsis puv. Hauv qhov no, MIM thev naus laus zis kev txhaj tshuaj siab tuaj yeem nce ntxiv los ntawm kev ua kom nrawm nrawm ntawm MIM thev naus laus zis txhaj tshuaj thiab tsim nyog ncua sijhawm MIM thev naus laus zis txhaj tshuaj. Thaum lub siab ntawm cov hmoov hlau txhaj tshuaj tshuab tsis tuaj yeem nce ntxiv, nws tuaj yeem kho tau los ntawm kev ua kom cov khoom kub, txo cov yaj viscosity thiab txhim kho cov dej ntws ua haujlwm. Nws yuav tsum tau muab sau tseg tias yog hais tias cov khoom kub siab heev, cov khoom molten yuav thermally decomposed, uas yuav cuam tshuam rau kev pab cuam ntawm cov yas qhov chaw. Tsis tas li ntawd, yog tias lub sijhawm tuav tau luv dhau, nws tseem yuav ua rau tsis txaus. Yog li ntawd, lub sij hawm tuav lub siab yuav tsum tau tswj nyob rau hauv ib qho chaw tsim nyog. Txawm li cas los xij, nws yuav tsum tau muab sau tseg tias lub sijhawm tuav lub sijhawm ntev dhau los kuj yuav ua rau lwm yam ua tsis tiav. Thaum lub sij hawm molding, nws yuav tsum tau kho raws li tej yam kev mob ntawm cov yas qhov chaw.

12. Lub MIM ceev ntawm cov hmoov hlau txhaj tshuaj yog qeeb heev: MIM ceev ntawm cov hmoov hlau txhaj tshuaj yog ncaj qha ntsig txog pwm filling ceev. Yog hais tias qhov ceev ntawm cov hmoov hlau txhaj tshuaj ntawm MIM qeeb dhau lawm, qhov ntim ntawm cov khoom molten qeeb, thiab cov yaj ntws ntawm qhov ceev yog qhov yooj yim kom txias, uas ntxiv txo nws cov kev ua tau zoo thiab ua rau hauv kev txhaj tshuaj. Yog li, MIM ceev ntawm cov hmoov hlau txhaj tshuaj yuav tsum tau nce kom tsim nyog. Txawm li cas los xij, nws yuav tsum tau muab sau tseg tias yog tias qhov ceev ntawm cov hmoov hlau txhaj tshuaj ntawm MIM yog ceev heev, nws yog ib qho yooj yim ua rau lwm yam hlau hmoov txhaj tshuaj molding tsis ua hauj lwm.

13. Cov qauv tsim ntawm cov khoom yas yog qhov tsis tsim nyog: thaum lub thickness thiab ntev ntawm cov yas yog tsis nyob rau hauv kev faib ua feem, cov duab yog heev complex thiab molding cheeb tsam yog loj, cov khoom molten yog ib qho yooj yim yuav tsum tau thaiv ntawm qhov nkag ntawm lub qhov rooj. qhov nyias-walled ib feem ntawm cov yas, ua rau nws nyuaj rau sau cov hmoov hlau txhaj tshuaj molding kab noj hniav. Yog li ntawd, thaum tsim cov duab thiab cov qauv ntawm cov yas, nws yuav tsum tau muab sau tseg tias lub thickness ntawm cov yas yog muaj feem xyuam rau qhov txwv txaus ntev ntawm cov khoom molten thaum sau pwm. Hauv cov hmoov hlau txhaj tshuaj molding, qhov siab tshaj plaws ntawm cov khoom yas yog 1 ~ 3 hli, thiab cov yas loj yog 3 ~ 6 hli. Feem ntau, qhov tsawg kawg nkaus pom zoo thickness yog; Polyethylene 0.5 hli, cellulose acetate thiab cellulose acetate butyrate yas 0.7 hli, ethyl cellulose yas {{10}}.9 hli, polymethyl methacrylate 0 .7 hli, polyamide 0.7 hli, polystyrene 0.75 hli, PVC 2.3 hli. Feem ntau, lub thickness ntawm cov yas ntau tshaj 8 hli los yog tsawg tshaj li 0.5 hli yog tsis haum rau hlau hmoov txhaj molding, thiab tej thickness yuav tsum tau zam nyob rau hauv tsim.

Tsis tas li ntawd, thaum hlau hmoov txhaj tshuaj molding complex structural yas qhov chaw, cov kev ntsuas tsim nyog yuav tsum tau ua nyob rau hauv tus txheej txheem, xws li tsim nyog txiav txim siab lub rooj vag txoj hauj lwm, kho tus khiav layout kom zoo, kev txhim kho MIM ceev ntawm hlau hmoov txhaj tshuaj los yog siv ceev ceev MIM technology. txhaj tshuaj. Tsa cov pwm kub los yog xaiv cov resin nrog kev ua haujlwm zoo.

Yog xav paub ntxiv txog hlau hmoov txhaj tshuaj molding tshuab, nyem ZHONGWEI Precision Hlau Powder Txhaj MIM Technology hauv Qinhuangdao.