Awọn imọran fun Iṣeyọri Awọn ohun elo Silikoni Ọfẹ Bubble
2025-06-19
ṣiṣẹda ijuwe ti, o ti nkuta-free silikoni molds jẹ pataki fun ṣiṣe awọn simẹnti didara to gaju, boya fun resini aworan, chocolate sise, tabi ise prototyping. Awọn nyoju le ba awọn alaye ti o dara jẹ, ṣe irẹwẹsi imun, ati ja si awọn ọja ikẹhin ti ko ni abawọn. Ni isalẹ, a ṣawari awọn ilana ti a fihan, awọn yiyan ohun elo, ati awọn ọna laasigbotitusita lati se imukuro awọn nyoju ni silikoni molds.
1. Oye Bubble Ibiyi ni Silikoni
Awọn nyoju ninu awọn apẹrẹ silikoni nigbagbogbo wa lati:- Afẹfẹ idẹkùn nigba dapọ / pouring.
- Ọrinrin tabi contaminants ninu awọn ohun elo.
- Awọn ipin idapọ ti ko tọ (ti o ba lo awọn silikoni apakan meji).
- Itọju kiakia, eyi ti ko gba laaye awọn nyoju lati sa.
- Dada nyoju (han, ipa sojurigindin).
- Awọn ofo inu (ailagbara m be).
- Igbale nyoju (lati degassing aibojumu).
2. Awọn iṣe ti o dara julọ fun Awọn apẹrẹ Silikoni Ọfẹ Bubble-Free
A. Ohun elo Yiyan
✅ Lo Silikoni-ni arowoto Platinum – Less prone to bubbles than tin-cure. ✅ Silikoni Iwa-kekere - Ṣiṣan dara julọ sinu awọn alaye itanran (fun apẹẹrẹ, Dragon Awọ 10A). ✅ Silikoni ti o gbẹ tẹlẹ - Diẹ ninu awọn silikoni fa ọrinrin; itaja ni a gbẹ ayika.B. Awọn ilana Idapọ Darapọ
- Illa Laiyara & Ni pipe - Yẹra fun fifun, eyiti o ṣafihan afẹfẹ.
- Lo Ọna Agbo-ati-Tẹ – Scrape awọn ẹgbẹ ati isalẹ ti eiyan.
- Silikoni gbona + Alapapo diẹ (ko kọja awọn opin olupese) dinku iki fun ṣiṣan to dara julọ.
C. Awọn ọna Degassing
- Iyẹwu Igbale (Ọna ti o dara julọ)
- Gbe silikoni adalu sinu iyẹwu igbale (~ 29 inHg).
- Duro titi awọn nyoju yoo fi gbooro ati agbejade (~ 2-5 min).
- Fi silẹ laiyara lati yago fun atunṣe ti nkuta.
- Ikoko Titẹ (Yiyan)
- Lẹhin ti pouring, waye 40-60 PSI lati compress awọn nyoju sinu invisibility.
- Yiyọ Bubble Afowoyi
- Toothpick/Abẹrẹ – Pop han nyoju.
- Isopropyl Ọtí (IPA) sokiri - Fọ ẹdọfu dada, iranlọwọ awọn nyoju salọ.
D. Awọn ọna ẹrọ fifun
- Tú sinu Tinrin ṣiṣan – Din air entrapment.
- Tẹ Mold naa - Jẹ ki silikoni ṣan laisiyonu.
- Lo Fẹlẹ kan fun Awọn alaye - Bo awọn agbegbe intricate akọkọ lati ṣe idiwọ awọn apo afẹfẹ.
E. Mold Design ero
- Yago fun Jin Undercuts - afẹfẹ afẹfẹ; lo meji-apa molds ti o ba nilo.
- Fi Iho Vent - Gba afẹfẹ laaye lati yọ kuro ninu awọn apẹrẹ eka.
- Lo Itusilẹ Mold - Ṣe idilọwọ awọn nyoju dimọ si awoṣe titunto si.
3. Laasigbotitusita Bubble Issues
| isoro | Ṣe | ojutu |
|---|---|---|
| Dada nyoju | Afẹfẹ idẹkùn nigba pouring | Degas silikoni, tú losokepupo, lo IPA sokiri |
| Awọn ofo inu | Gbigbọn ti ko to | Lo iyẹwu igbale tabi ikoko titẹ |
| Nyoju ayika Awọn alaye | Silikoni iki-giga | Yipada si silikoni iki-kekere, fẹlẹ-lori Layer akọkọ |
| Silikoni Foamy | Ju-dapọ tabi ọrinrin | Darapọ mọra, tọju silikoni daradara |
4. To ti ni ilọsiwaju imuposi fun Pipe molds
A. Ọna Layering
- Tú a tinrin akọkọ Layer, fẹlẹ sinu awọn alaye, lẹhinna degas ṣaaju fifi diẹ sii.
B. Igbale-Iranlọwọ idasonu
- Tú silikoni labẹ igbale fun nitosi-odo nyoju.
C. Lilo Silikoni Tinrin
- Din iki fun dara sisan sinu bulọọgi-alaye.
5. Awọn ohun elo & Awọn imọran Ohun elo-Pato
- Fun Simẹnti Resini: Rii daju pe mimu jẹ patapata ti nkuta-free lati yago fun abawọn ni ik ege.
- Fun Chocolate Molds: lilo ohun alumọni-ite silikoni ati degas daradara lati dena awọn ẹgẹ kokoro-arun.
- Fun Awọn Afọwọṣe Iṣẹ: ro titẹ simẹnti fun olekenka-ga-apejuwe molds.