DIY KUA MOULS yog qhov tshiab ntawm silicone pwm, ntau hom tsiaj, cov txiv hmab txiv ntoo thiab lwm yam tuaj yeem ua tau, thiab lwm yam, txhua yam, txhua tus tuaj yeem ua tiav, thiab txhua yam
Silicone kua yog qhov tsis muaj tshuaj lom, ua kom yooj yim ntawm cov khoom siv hauv cov organicting ntawm cov khoom siv hauv cov orgoSone, nws yog cov sulfuric capose, shear thinting thiab siab dua coefficient ntawm thermal expansion. Ob-sib tshooj siab siab pob tshab, lub zog siab, siab tawm cov kua silicone roj hmab tsim kev txhaj tshuaj molding txheej txheem.
Kua Silicone Roj Hmab Xws Li Cov Roj Hmab Silicone Roj Hmab, 10 Degree Kua Silicone Roj Hmab, 80 Degree Ua Kua Silicone Roj Hmab, Uas Muaj Ntau Hardness Ntawm Cov kua Roj hmab silicone hauv khw silicone roj hmab. Thaum peb tsim cov pwm ua kua ua kua, peb tuaj yeem xaiv cov tawv ntoo sib txawv ntawm cov roj hmab ua kua raws li peb cov kev xav tau ntawm kev ua cov pwm.
Cov txheej txheem ntau lawm ntawm DIY kua moulds:
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Kos Duab 3D Dag
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Daim duab kos duab
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Muaj ntau cov teeb meem ntsib thaum tsim kua Silicone pwm, yog li cas ntawm cov teeb meem uas peb yuav tsum paub txog? Feem ntau, cov qauv ntawm cov kua silicone pwm zoo ib yam li ntawm thermoplastics, tab sis muaj ntau yam tseem ceeb. Lub viscosity ntawm cov kua silicone feem ntau yog qis dua, yog li lub sijhawm puv yog luv dua, txawm tias ntawm qhov kev txhaj tshuaj tsawg heev. Txhawm rau kom tsis txhob muaj huab cua tsheb, qhov muag tau zoo nkauj yuav tsum muaj nyob hauv cov pwm.
Ib qho ntxiv, ua kua silicones tsis ua rau hauv cov pwm li thermoplastic sib txuas ua. Lawv zoo li yauv nthuav dav thiab tsis txhob txo me ntsis raws li qhov xav tau kom lawv cov khoom tsis nyob ntawm cov pwm raws li kev cia siab. Nws tau nyam nyob rau hauv thaj chaw loj dua ntawm cov pwm kab noj hniav.
Kev ceev faj rau kev tsim cov kua ua kua Silicone pwm.
1. Shrinkage
Txawm hais tias kua silica tsis tuaj yeem txav hauv cov pwm, nws feem ntau yuav tawg tau tom qab shrinkage yog nyob rau qee yam ntawm kev tsim ntawm cov compound. Txawm li cas los xij, los ntawm cov pwm pom, shrinkage tuaj yeem cuam tshuam los ntawm ob peb yam, suav nrog cov pwm kub, qhov kub uas tau hais tseg, lub siab nyob rau hauv cov kab noj hniav, thiab txuas ntxiv compression.
Qhov chaw ntawm kev txhaj tshuaj point kuj tseem tsim nyog txiav txim siab, raws li shrinkage nyob rau hauv cov kev coj ntawm compound txaus ntshai nyob rau hauv cov kev taw qhia mus rau qhov sib txuas. Cov duab ntawm cov khoom lag luam loj kuj tseem muaj cov nyhuv ntawm nws cov dej khib nyiab, nrog cov khoom thermage, nrog cov khoom thicker feem ntau shrinking tsawg dua.
2. Ib Leeg Lineing
Thawj kauj ruam ntawm kev tsim ntawm Silicone roj hmab Txhaj tshuaj yog los txiav txim qhov chaw ntawm kab ntu. Venting yog tsuas yog ua tiav los ntawm ib tug zawj nyob rau ntawm kab kev sib koom ua ke, yog li zam rau kev tsim cov pa npuas thiab txo qis lub zog hauv kev sib koom ua ke.
Vim yog cov viscosity qis ntawm cov kua Silicone, cov kab ntu yuav tsum yog qhov tseeb kom tsis txhob txeej. Txawm li ntawd, parting kab feem ntau tuaj yeem pom ntawm cov khoom kawg. Ua kua silicone pwm yog cuam tshuam los ntawm geometry ntawm cov khoom lag luam thiab qhov chaw nyob ntawm kab parting. Kev tsim qauv tsim cov khoom lag luam zoo me ntsis yuav pab kom cov khoom muaj ib qho muaj kev sib xws rau qhov xav tau lwm ib nrab ntawm cov kab noj hniav.
Lub Sijhawm Post: Feb-24-2023