Plaster Moulds: Silicone Thiab Lwm Yam Pwm Rau Casting Cov Vuas Thiab Cov Duab. Yuav Ua Li Cas Kom Lawv Koj Tus Kheej Rau Cov Khoom Pov Thawj?

2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-18 12:13

Gypsum tau paub tias yog cov khoom siv mloog lus, ua tsaug, tsis yooj yim hauv kev ua. Cov neeg uas ua haujlwm nrog nws paub qhov txuj ci tseem ceeb ntawm kev hloov pauv qhov sib xyaw ua ib yam zoo nkauj, thiab tseem ceeb tshaj plaws, tib neeg tsim. Thiab cov ntawv rau plaster ntawm ntau hom sib txawv thiab kev hloov pauv ua rau muaj peev xwm muaj tswv yim ntawm tus tswv ua haujlwm nrog cov khoom siv no.

kev piav qhia dav dav

Gypsum - cov khoom siv pheej yig muag hauv txhua lub tsev lag luam, tsis kim, thiab yog li ntawd txawm tias qee yam tsis ua haujlwm thaum ua haujlwm nrog nws, nws yuav tsis ntaus lub hnab tawv tawv . Tab sis kom tsis txhob muaj qhov yuam kev no tshwm sim, koj yuav tsum muaj kev cuam tshuam nrog thev naus laus zis ntawm kev ua haujlwm nrog gypsum thiab nrhiav seb dab tsi pab tig cov hmoov rau hauv cov khoom zoo nkauj. Cov no yog, ua ntej tshaj plaws, cov ntawv rau plaster casting.

Cov pwm no yog tsim los ntawm ntau yam khoom siv, los ntawm ntoo mus rau xis mas . Cov txheej txheem plaster casting yog ntau theem. Nws tau muab pov rau hauv cov pwm uas siv sijhawm li ob peb feeb, tab sis cov txheej txheem kev npaj thiab cov tom ntej tom qab lub sijhawm tawm thiab siv dag zog ntau dua. Ua ntej, koj yuav tsum ua tus qauv ntawm cov khoom, tom qab ntawd tsim thiab tsim cov pwm, tom qab ntawd npaj cov ntaub ntawv rau kev nrum thiab lubricating pwm. Nws yog ib qho tseem ceeb uas suav thaum lub sijhawm pov ntawv mus rau ob peb feeb, thiab thaum cov txheej txheem twb pib lawm, txhua yam yuav tsum nyob ntawm tes, txhua qhov kev ncua yog fraught nrog kev ua tsis tiav.

Lub raj mis (pwm) tau lubricated ua ntej casting, cov tshuaj yog sib xyaw thiab nchuav rau hauv cov pwm nrog cov kwj deg nyias, tso cua kom dim . Tom qab ua tiav, daim ntawv yuav tsum tau tig, tshee me ntsis, yog li kev daws teeb meem yuav mus txog cov ntsiab lus me me. Tom qab ntawd cov khoom yuav qhuav hauv txhua txoj kev. Tom qab ntawd, cov pwm raug muab tshem tawm, thiab yog tias nws tsis tuaj yeem txav deb ntawm cov khoom, nws tuaj yeem siv nrog cov roj hmab mallet. Sprue raug tshem tawm thiab ib feem tau ua tiav.

Yog tias daim ntawv yuav rov siv dua, nws yuav tsum tau muab ntxuav kom huv.

Hom kev txheeb xyuas

Muaj ntau hom ntawv, thiab txhua tus ntxim nyiam hauv nws tus kheej txoj kev. Piv txwv li, cov kua nplaum ua los ntawm gelatin (lwm txoj hauv kev tuaj yeem yog cov kua nplaum ntoo). Ua ntej, ua kua nplaum: 7 kg ntawm gelatin tau nchuav nrog ib nrab ntawm cov dej sov, cov tshuaj no tau khaws cia rau ib nrab teev, tos kom nws swell . Ib daim ntoo ntawm cov kua nplaum yuav tsum tau tawg ua tej daim me me nrog rauj, tom qab ntawd tsau rau hauv dej rau 24 teev, hloov cov dej ib ntus. Thaum kawg ntawm lub hnub, 1.5 litres dej kub tau ntxiv, thiab muaj pes tsawg leeg tau siav hauv cov dej da. Hauv qhov no, lub lauj kaub kua nplaum tau kaw nruj nreem, thaum kawg ntawm cov txheej txheem, 300-350 ml dej thiab ib phaus ntawm cov glycerin tshwj xeeb tau ntxiv.

Muaj lwm daim ntawv twg?

• Silicone . Lub thawv yog ua los ntawm cov khoom siv tawv xws li chipboard lossis fiberglass. Cov kab nrib pleb hauv lub thawv raug tshem tawm, txhua ntu ntawm lub plhaub tau ua ke ua ke. Tom ntej no, koj xav tau plasticine rau cov duab puab, tusyees nteg mus txog ib nrab ntawm lub ntim. Cov yas yas yuav tsum du. Thiab tom qab ntawd tus qauv raug nias rau hauv plasticine, qhov tau ua nyob ib puag ncig nrog tus xaum xaum kom qhov ntxiv ntawm daim ntawv tsis txav mus. Tom qab ntawd ntim cov khoom siv tau ntsuas - qee yam dawb -ntws tau nchuav rau hauv lub khob, thiab tom qab ntawd nws raug xa mus rau lub thawv ntsuas. Thiab cov nplaim ntawm tus qauv yuav tsum tau lubricated nrog tus neeg tso tawm.
• Yas (formoplast) . Qhov kom zoo dua ntawm cov ntawv no yog tias qhov nruj ntawm qhov sib xyaw ua ke nrog cov phab ntsa nyias nyias; lawv tseem rov ua cov txheej txheem ntawm cov khoom tawg. Cov ntawv no tsis yog capricious hauv lawv txoj kev saib xyuas, lawv tsis ntshai tsam raug cov tshuaj reagents. Cov yas yas rau casting yog tsim los siv cov thev naus laus zis ntawm kev kub hnyiab thiab nias, qhov no yog ua tiav ntawm cov cuab yeej tshaj lij. Hauv tsev, qhov no yuav luag tsis yooj yim sua.
• Roj hmab . Lawv yog tsim los ntawm kub polymerization, nruj me ntsis nyob rau hauv siab. Cov ntawv no tau ua tiav, uas yog, yuav tsum muaj cov cuab yeej tshaj lij. Cov ntaub ntawv no qhia txog kev ua kom puas siab puas ntsws, lawv ruaj thiab muaj peev xwm nthuav qhia kev ntxhib los mos ntawm ntuj pob zeb zoo kawg nkaus.
• Polyurethane . Cov pwm no yog qhov txawv los ntawm kev ywj pheej, hnav tsis kam, lawv kuj tsis xav tau kev saib xyuas tshwj xeeb, thiab ua rau tsis kam mus rau alkalis. Txhawm rau kom tau txais daim ntawv polyurethane, hloov kho polymer thiab tawv tawv tau sib xyaw. Polyurethane tau suav tias yog hom pwm nrov tshaj plaws, uas tsim nyog rau kev pov tseg tsis yog los ntawm gypsum nkaus xwb, tab sis kuj yog los ntawm cov pob zeb thiab cov cement.

Nrog kev pab ntawm cov ntawv zoo li no, koj tuaj yeem ua cov duab vaj, cov lauj kaub, cov khoom siv tes ua, cov vuas zoo nkauj, thiab lwm yam.

Yuav ua li cas koj tus kheej?

Hauv cov xwm txheej ntawm lub rooj cob qhia hauv tsev, nws muaj peev xwm ua tau zoo nrog kev tsim qauv ntawm daim ntawv.

Cov cuab yeej thiab khoom siv

Ob qho kev npaj ua ntej thiab txheej txheem pov tseg nws tus kheej yog cuam tshuam nrog cov hmoov av loj. Yog li ntawd, hauv chav uas qhov kev ua haujlwm raug pov tseg, yuav tsum tsim lub qhov cua, thiab tom qab ntawd ntxuav qhov chaw . Thiab yog tias muaj tus neeg ua xua nyob hauv tsev, koj yuav tau nrhiav lwm qhov chaw ua haujlwm. Nws kuj tseem tsim nyog nco ntsoov tias sib xyaw hmoov av thiab huab cua, yog tias nws mus txog qee qhov kev xav, yog qhov tawg. Yog li ntawd, qhib hluav taws hauv chav no yog qhov txwv nruj tshaj plaws.

Cov cuab yeej tseem ceeb rau kev casting yog pwm, tab sis tus qauv ntawm cov khoom ua ntej nws . Ntawm no, av nplaum lossis plasticine los cawm, hauv ib lo lus, ib yam khoom uas muaj cov yam ntxwv zoo sib xws.

Thiab yog tias koj yuav tsum luam daim ntawv ntawm cov khoom, tom qab ntawd daim tseem yuav ua tus qauv.

Koj xav tau dab tsi ntxiv?

• ib lub taub ntim uas dej thiab gypsum yuav sib tov;
• iav nrog lub qhov dej txhawm rau nchuav cov plaster ntawm Paris nws tus kheej;
• cov hlua ywj kom nruj ntu ntawm daim ntawv;
• roj txhuam;
• laum kom laum qhov;
• riam thiab spatulas;
• scotch daim kab xev thiab duab los qhia.

Yog tias koj khiav me ntsis ua ntej, nws tsim nyog qhia txog plaster. Nws yuav tsum yog cov muaj pes tsawg leeg zoo, tsis muaj kev cuam tshuam. Tshwj tsis yog, yog tias koj siv lub tsev alabaster, tom qab ntawd tsuas yog yuav tsum tau sifted los ntawm lub sab cib ntawm 0.2 hli . Alabaster yuav tsum dhau los, yog li hais lus, nqes mus, tsis muaj lwm yam tsis huv.

Nws tsis yog teeb meem los yuav cov roj nplua nyeem rau cov pwm, tab sis hauv tsev txhua yam kuj tseem ua tiav sai thiab pheej yig: ua cov xab npum me me, ntxiv dej thiab roj zaub rau ntawd. Txhawm rau ua haujlwm kom tau txais cov duab, koj xav tau ib lub rooj tiaj, lossis hauv pem teb tiaj tus, ntxiv rau cov plywood du lossis chipboard . Ob sab ntawm 5 cm yuav txuas rau hauv qab ntawm cov plywood no, thiab qhov no yuav tsim ib lub thawv rau nchuav.

Tshuab

Nws muaj ob peb theem. Thawj yog ua tus lej. Tsis muaj tus lej, nws tsis tuaj yeem ua tiav uas cov khoom siv kua ua kom zoo.

Kev tsim cov yam ntxwv muaj raws li hauv qab no

1. Tsim kom muaj kev pab loj . Txhawm rau kev ntxhib los mos kom loj, koj xav tau pob zeb. Ntawm qhov one tes, nws yuav tsum yog tiaj tus, thiab ntawm qhov tod tes, yog embossed. Ob leeg marl thiab granite yuav ua. Koj tuaj yeem ua kom zoo nkauj los ntawm cov xuab zeb, pob zeb ntuj, tab sis tsis yog tsuas yog los ntawm lawv. Hnub no koj tuaj yeem yuav cov qauv tshwj xeeb hauv kev tsim khoom lag luam. Thiab tam sim no xaiv lub pob zeb tau sim ntawm lub rooj tsavxwm thiab tso rau hauv txoj kev uas ob centimeters nyob ntawm phab ntsa plywood. Thiab nruab nrab ntawm cov khoom tawg hauv qhov tsim yuav tsum muaj qhov sib nrug ntawm ib centimeter. Cov pob zeb yuav tsum tau hais nrog tus xaum. Cov kua nplaum thoob ntiaj teb tau siv rau qhov tiaj tus, silicone kuj tsim nyog. Cov chaw uas nyob nruab nrab ntawm qhov tsis xws luag thiab saum npoo tau ntim nrog acrylic sealant. Qhov seem ntawm nws yuav tsum tau ua tib zoo tshem tawm.
2. Kev tsim kom qis . Ua ntej, koj yuav tsum ua lub thawv sib npaug rau qhov ntev ntawm ib lub hauv paus nrog 2 cm. Nws yog qhov yooj yim los tsim cov kev ntxhib los mos me me los ntawm cov xuab zeb lossis yuav cov qauv uas tau npaj ua tiav, dua, hauv khw khw. Tom qab sau qhov tsis sib xws, thov siv cov tshuaj paraffin tshwj xeeb rau cov khoom tsim. Nws tau yaj nrog lub tsev tshuab ziab plaub hau. Cov quav quav cawv yuav ntws los ntawm qhov khoob, txhaws hauv qab ntawm lub thawv me me. Thaum cov paraffin tau tawv, ob sab ntawm lub thawv me me yuav raug tshem tawm, tus qauv yuav raug tshem tawm thiab muab tso rau hauv lub thawv loj. Koj yuav tsum tau teeb tsa tus qauv ua rau kua nplaum.
3. Cov theem hauv qab no haum rau ob qho tib si silicone thiab polyurethane pwm . Ob sab ntawm lub thawv yuav tsum tau kho nrog tus kheej tapping screws. Cov pob qij txha xav tau kev sib khi. Cov pob zeb, ntxiv rau sab hauv lub thawv, yuav tsum tau lubricated nrog cov tshuab roj (koj tuaj yeem siv cov roj av yaj ua kua yaj xwb). Qhov no yuav yog qhov sib cais sib xyaw.
4. Ntxiv mus, raws li cov lus qhia ntawm pob, sib xyaw silicone lossis polyurethane tau npaj . Do nws kom du.
5. Lub thawv yuav tsum tau sau nrog cov muaj pes tsawg leeg . Nyob rau hauv cov ntaub ntawv ntawm polyurethane, qhov sib tov tom qab nchuav kom sov nrog lub tshuab ziab khaub ncaws tsim, tom qab ntawd cov cua npuas ntau dhau tawm ntawm qhov chaw.
6. Tom qab lub sijhawm xav tau rau qhov muaj pes tsawg leeg ua kom tawv, lub thawv tau muab sib dhos . Thiab daim ntawv tseem nyob.

Kwv yees li raws li cov lus qhia no, lawv ua cov ntawv rau 3D qauv thiab lwm yam txheej txheem uas pab tsim kom zoo nkauj, ntxim nyiam.

Cov lus qhia me me hauv qab no yuav pab cov pib kawm paub yuav ua li cas nrog silicone pwm

1. Koj yuav tsum npaj cov kua nplaum silicone nws tus kheej, rab riam, lub ntim ntim rau lub matrix rau kev ntim rau yav tom ntej, xab npum lossis dej xab npum, yog thawj yam khoom uas yuav ua pwm.
2. Qhov saum npoo ntawm daim tseem yuav tsum tau npaj - ntxuav yog tias muaj av, putty yog tias qhov saum npoo yog ntxeem tau. Koj kuj yuav tsum tau ua kom ntseeg tau tias lub thawv ntim tau nruj, uas feem ntau yog ua los ntawm qee yam nruj, xws li chipboard lossis fiberglass.
3. Txhawm rau ua ib daim ntawv ib sab, tus thawj yuav tsum tau muab tso rau hauv lub thawv, kho nrog roj lossis qab zib thiab ntim nrog silicone. Yog tias siv ntau lub foob, silicone tau siv rau hauv txheej, nrog rau kaum tsib feeb ncua ntawm txheej. Nws yog qhov tshwj xeeb tshaj yog tias txheej sab saum toj tawm los zoo ib yam.
4. Tos kom txog thaum lub silicone qhuav, thiab lub sijhawm ziab qhuav ib txwm tau qhia hauv cov lus qhia rau lub foob. Tom qab ntawd lub thawv tau raug muab tshem tawm, cov khoom ua haujlwm raug tshem tawm.

Ntawd yog nws, cov pwm silicone tau npaj txhij. Yog tias tsis yog ib sab, tab sis tsim cov duab peb sab, tom qab ntawd cov duab puab yas tau muab tso rau hauv qab ntawm lub ntim, thiab tus thawj yog muab tso rau ib nrab . Qhov thib ib nrab ntawm thawj yog ntim nrog silicone. Tom qab ntawd ib nrab nrog silicone raug tshem tawm, cov yas tshem tawm, txheej txheej silicone tau muab tso rau. Ib txheej ntawm cov kua nplaum los yog roj tau siv rau ib nrab qhov av nplaum yav tas los. Qhov thib ib nrab ntawm qhov qub yog ntim nrog sealant. Thiab tom qab ua kom tawv tawv, daim ntawv txiav nrog cantsknife, thiab cov haujlwm tuaj yeem raug tshem tawm yam tsis muaj teeb meem.

Yuav siv nws li cas?

Nws tsim nyog tham hauv ntau yam ntxiv txog kev siv cov ntawv yas. Vim tias tsis muaj kev paub dhau los, cov pib tshiab tseem tsis nkag siab yuav ua li cas thiaj li tau txais cov plaster, thiab cov txheej txheem no nrawm heev. Thaum cov gypsum nthuav dav nrog qhov tso cua sov tseem ceeb, cov pwm tshwm sim rau "txhuam ".

Txhawm rau tiv thaiv qhov no tshwm sim, koj yuav tsum siv tus thav duab.

Dab tsi ntxiv tseem ceeb:

• siv tus cais - yog tias cov pwm tsis ntub, cov plaster yuav lo;
• thaum tshem lub vaj huam sib luag los ntawm cov pwm, koj yuav tsum tau ceev faj heev - yog tias koj ua haujlwm ntau dhau, lub vaj huam sib luag tseem tuaj yeem ua kom nruj;
• nws yuav tsum tau rub tawm thaum pib cua sov, tab sis qhov no yuav nyob ntawm seb hom gypsum;
• kom tau txais lub vaj huam sib luag, koj yuav tsum taug kev nrog cov hniav nyias nyob ib puag ncig ntawm nws thiab daim ntawv, kom koj tau txais qhov sib txawv rau hauv uas huab cua yuav nkag mus;
• tom qab lub vaj huam sib luag tau raug tshem tawm, nws yuav tsum tau muab tso rau qhov ziab zaum kawg, tsuas yog nyob ntawm qhov chaw tiaj;
• ntxuav cov pwm tom qab pov tseg yog txiav txim siab tus lej 1 - yaug nws ua ntej, thiab tom qab 20 ntim thiab ntxuav kom huv si;
• nws tsis tuaj yeem tawm ntawm daim ntawv qias neeg hmo ntuj, vim tias thaum sawv ntxov txhua yam yuav lo ua ke kom nws yuav nyuaj heev los rhuav nws, thiab nws tsis paub meej tias yuav faib nws li cas;
• yog tias gypsum tau ua raws cov pwm, tsuas yog cov tshuaj muaj zog ntawm citric acid diluted nrog dej hauv qhov sib piv uas cov tshuaj muaj zog yuav pab nws;
• pwm ua los ntawm cov yas, uas ntau dua ib zaug nws tuaj yeem nchuav cov gypsum, feem ntau ntsws, yog li lawv yuav tsum tau khaws cia dawb, koj tsis tuaj yeem nias lawv nrog yam hnyav.

Casting los ntawm plaster tso cai txawm tias nyob hauv tsev, hauv qhov xwm txheej zoo tshaj plaws, los tsim tshwj xeeb kev kho kom zoo nkauj sab hauv, kom ua kom zoo nkauj dua qub - cov duab puab thiab txawm tias cov duab . Plaster ua cov khoom ua si zoo nkauj heev. Nrog kev pab ntawm silicone tsim pwm, cov vuas zoo nkauj tau tsim los ntawm cov khoom siv ntuj, uas tau nquag siv hauv kev tsim cov chav tsev.