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cov khoom

Kev nqis peev casting, tseem hu ua wax-poob casting, yog cov khoom siv quav ciab ua los ntawm cov quav ciab los muab pov rau hauv qhov chaw, thiab tom qab ntawd cov pwm pwm yog coated nrog av, uas yog cov av nkos pwm. Tom qab ziab cov av nplaum pwm, yaj lub puab wax pwm hauv dej kub. Cov av nplaum pwm ntawm melted ciab pwm yog muab tawm thiab ci rau hauv lub lauj kaub tais diav. Ib zaug ci. Feem ntau, thaum ua cov av nkos, lub rooj vag sab laug, thiab tom qab ntawd cov hlau molten yog nchuav rau hauv lub rooj vag. Tom qab txias, cov khoom siv hlau yuav tsum tau ua.

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Yav dhau los tiam ntawm peev casting:

Cov ntsiab lus tseem ceeb: siv sijhawm ntev thiab kim

Kev nqis peev casting tseem hu ua wax poob casting. Txoj kev poob qis hauv Suav teb tau tshwm sim rau lub caij nplooj ntoos hlav thiab lub caij nplooj zeeg thiab muaj keeb kwm ntev.

Loss wax casting yog ib qho qauv siv quav ciab ua los ntawm cov quav ciab rau hauv qhov chaw, thiab tom qab ntawd cov qauv siv quav ciab yog coated nrog cov av nkos, uas yog cov av nkos. Tom qab ziab cov av nplaum pwm, yaj lub puab wax pwm hauv dej kub. Cov av nplaum pwm ntawm melted ciab pwm yog muab tawm thiab ci rau hauv lub lauj kaub tais diav.

Cov kauj ruam ntawm peev casting rau 3D tshuab luam ntawv yog qhia hauv qab no.

Yim kauj ruam ntawm 3D luam ntawv peev casting:

1. CAD Modeling, 3D Printing Poob Foam

Cov ntaub ntawv digital ntawm molten casting qauv yog tsim los ntawm kev siv CAD software, thiab tom qab ntawd xa tawm hauv STL hom ntawv thiab luam tawm los ntawm kev siv 3D tshuab luam ntawv (SLA tshuab yog pom zoo rau 3D tshuab luam ntawv). Cov txheej txheem luam ntawv feem ntau siv sijhawm ob peb teev xwb.

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2. Tshawb xyuas seb puas muaj qhov nyob hauv cov qauv molten casting.

Nto polishing thiab lwm yam kev ua haujlwm tom qab ua tiav ntawm 3D luam tawm qauv kom tshem tawm cov lamination saum npoo. Tom qab ntawd ua tib zoo xyuas seb tus qauv puas muaj qhov khoob lossis tawg.

3. Txheej txheej

Thaum tus qauv xa mus rau qhov chaw tsim khoom, qhov saum npoo ntawm cov qauv yog thawj zaug them nrog ceramics slurry. Cov txheej slurry yuav tsum tau sib txuas nrog cov peev txheej casting, thiab qhov zoo ntawm cov txheej txheem slurry yuav ncaj qha cuam tshuam rau qhov zoo ntawm qhov kawg casting.

4. Plhaub

Tom qab cov ceramics slurry yog coated, txheej txheej ntawm ceramics slurry yog viscous xuab zeb. Tom qab ziab, rov ua cov kauj ruam ntawm txheej slurry thiab nplaum xuab zeb kom txog thaum lub plhaub ncav cuag qhov xav tau tuab.

5. Ci thiab ntxuav

Thaum lub plhaub qhuav, nws muab tso rau hauv lub qhov cub thiab hlawv kom txog thaum tag nrho cov yaj casting qauv hauv yog hlawv huv si. Lub sijhawm no, lub plhaub yuav dhau los ua cov ceramics tag nrho vim yog cua sov. Tom qab muab tshem tawm ntawm lub cub tawg, lub puab nto ntawm lub cub tawg yuav tsum tau huv si ntxuav, thiab ces qhuav thiab preheated.

6. Casting

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Los ntawm kev muab pov tseg, lub siab, lub tshuab nqus tsev nqus thiab lub zog centrifugal, cov kua hlau molten yog ntim nrog lub plhaub khoob thiab tom qab ntawd txias.

7. Demodeling

Tom qab cov kua hlau yog txias tag thiab tsim, lub plhaub ceramic sab nraum cov hlau yog ntxuav los ntawm cov neeg kho tshuab kev co, tshuaj ntxuav los yog dej ntws tawm.

8. Tom qab ua tiav

Qhov tseeb qhov tseeb, qhov ntom ntom thiab lwm yam khoom siv ntawm cov qauv hlau kuj tuaj yeem ntsuas los ntawm kev kho deg lossis ntxiv machining.

Lub tshuab luam ntawv SLA 3D ntawm SHDM tuaj yeem siv los ua cov pwm yas los ntawm kev siv cov ntaub ntawv fusible thiab kub resistant. Nws yog heev haum rau casting qhov chaw los ntawm wax poob txoj kev.

Tom qab kev luam ntawv ntawm cov pwm yas tiav lawm, cov khoom seem ntawm cov hmoov yuav raug tshem tawm, thiab tom qab ntawd siv cov quav ciab infiltration los xyuas kom meej tias cov pwm yas raug kaw thiab huv si los txhim kho qhov zoo ntawm peev casting qhov chaw.

Cov txheej txheem kev kho mob tom ntej yog tib yam li cov qauv tsim khoom: ua ntej, cov txheej txheem ceramic yog coated rau saum npoo ntawm cov pwm yas, thiab tom qab ntawd muab tso rau hauv qhov cub.

Thaum qhov kub siab tshaj 700 C, cov pwm yas hlawv tag nrho yam tsis muaj qhov seem, uas tseem yog lub hauv paus ntawm lub npe ntawm txoj kev siv quav ciab.

3D luam ntawv tuaj yeem paub cov qauv tsim, thiab ua kom muaj peev txheej pwm sai, yooj yim thiab kev lag luam. Nws yog dav siv nyob rau hauv tsheb, hniav nyiaj hniav kub, machinery manufacturing thiab lwm yam lag luam.


Post lub sij hawm: Aug-22-2019
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