Requirements (preliminary)
- Ideally up to 1400 °C working temperature
- Vacuum and/or (?) gas atmosphere
- <10 000 Euro, ideally much lower
Tube Ovens
| Max Temp | Atmosphere | Volume | Price | Link | ||
|---|---|---|---|---|---|---|
Carbolite STF
| 1500/1600C | Without vacuum pump | max Dia 90 | 10300 GBP + Endstopfen, innenliegendes Thermoelement, Gasregulierung und Vakuumpumpe. + Steuer + Versand + Zoll | https://www.carbolite-gero.de/de/produkte/rohrofen/universal-rohroefen/stf-tzf/function-features/ probably would also need : TMP-3PH-TVS900 3 Phase Carbolite for TVS 12/900 £217.35 &06-CS Cascade control Carbolite £847.68 TP-H2A-086-0200 Work tube for hydrogen Ø86 ID Ø75 £3562.32 and there is more needed, e.g. internal thermocouple, gas regulator, vacuum pump. | |
China Ovens
| Max Temp | Atmosphere | Volume | Price | Link | ||
|---|---|---|---|---|---|---|
| 1300C oder 1600C | -0.1Mpa | Diameter 60/80/100/120 | QSH-VTF-1400T Φ120x450 QSH-VTF-1400T Φ100x450 QSH-VTF-1400T Φ80x450 $3620 QSH-VTF-1400T Φ60x300 $2800 plus shipping | Shanghai Alarge Furnace Co.,Ltd | |
| 1200 /1400/1700/1800 C | Vacuum: -0.1MPa | 100*100*100mm 200*150*150mm | $2,000.00 - $7,200.00 | https://www.alibaba.com/product-detail/compact-chamber-vacuum-sintering-furnace-for_60685377490.html | |
| 1600 C | 7*10ˆ(-3)Pa | 200×200×300mm | $1,600.00 - $8,636.00 | https://www.alibaba.com/product-detail/High-temperature-vacuum-powder-metallurgy-sintering_60234487634.html | |
| 1700 C | -97kPa | Dia 100 x 100 | $1.960 | https://www.alibaba.com/product-detail/1700C-Fully-Computerized-Vacuum-Porcelain-Dental_60276548508.html?spm=a2700.7724838.2017115.78.5f895d18X9GZSE |
Dental Ovens
Could these be used for metal or be upgraded?
| Type | Max Temp | Atmosphere | Volume | Price | Link | ||
|---|---|---|---|---|---|---|---|
zirkonzahn 700 ULTRA-VAKUUM |
| 1700° C | Vacuum: ? mbar "Oxygen-free sintering / High Vacuum | 8 x 10 x 10 cm | ? | https://www.zirkonzahn.com/de/produkte/geraete/sinteroefen/zirkonofen-700-ultra-vakuum | |
| ThermoStar Denta-Star K2 |
| 1350 °C | Gas, e.g. Argon | ? | 12480 Euro | Added catalog (German). They also have industrial types. Temperature is OK, but cos they don't have possibility to control atmosphere probably can only be used for glass and ceramics | |
| Ivoclar Programat CS |
| 1200 °C | Vacuum: < 50 mbar | Diameter 80 mm Height 48 mm | second hand 2500 Euro | e.g. https://www.ebay.de/itm/143176909605 | Temperature too low for 316L stainless steel; Sintering termperature 1360°C |
| Vita Vacumat 40 T |
| 1200 °C | Vacuum: ? mbar | Diameter 90 mm Height 55 mm | second hand 2800 Euro | e.g. https://www.ebay.de/itm/333081642755 | Temperature too low for 316L stainless steel; Sintering termperature 1360°C |
| AmannGirrbach ceramill® argotherm 2 |
| ? | Argon | New 12.500 Used 8900 |
Suggested parts for new prototype:
https://de.aliexpress.com/item/1005003251126020.html? 5 kg tiegel
https://de.aliexpress.com/item/1005002984558864.html? 15 kW induction heater
https://de.aliexpress.com/item/32961135590.html? Schlauch
https://de.aliexpress.com/item/32962366139.html Spulen nach maß
PID Controller
- https://www.finglai.com/products/instruments/digital-temperature-controllers/XMT-8/
- https://de.aliexpress.com/item/32888140833.html
Further Links
- Virtual Foundry also offers sintering ovens and has some background info
- This company upgrades dental ovens to have Argon atmosphere
- https://www.dentalworx-solution.com/nem-sinterofenumbau-service/
- Same principle as in ovens by mihnvogt (https://www.mihm-vogt.de/de/metal)
