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Programmable Vacuum Furnace


#1

Hi, Could you help me to locate a manufacturer of Programmable
Electric Furnace suitable for heat-treating Corundum (Sapphires).

Regards,
Dayananda,


#2

Try the dental suppliers: programmable vacuum furnaces are used for
firing porcelain crowns and bridges. They will be small, however,
Zahn dental is one, or you could try Ney, etc.

Good luck, Andy


#3

Hi Dayananda,

What temperature are you wanting to reach? If you just want to get to
about 2100 deg F a NeyTech furnace will work. Otherwise you will be
spending over $3000 to get to any temperature between 2100 and 3000
deg F. This element will not last more than a year running at this
temperature. So if you go with this oven you will have to accept this
additional cost and work it into your pricing.

I have a customer in Helena, MT that is doing this and he is using a
NeyTech furnace with a digital controller that I installed. It is
working but the limitation is the heating element. In order to get a
higher temperature an exotic heating element needs to be used and
they are much more expensive and fragile.

I can give you more info as far as ovens that reach the higher
temperatures if you are interested. Contact me off the list either by
email or toll free at 1-877-262-2185.

Thanks,
Ken Kotoski
MPG Repair
www.mpgrepair.com
1-877-262-2185