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have anyone used Quartz as thermal insulator?

Posted by ggherbaz 
have anyone used Quartz as thermal insulator?
October 08, 2014 09:38AM
Good morning everyone,

I'm about to experiment with a hotend design that utilizes a quartz tube as insulator. Have anyone had already experimented with this material before ? If not, i will post results as I start experimentation.

Regards,

Gerardo
Re: have anyone used Quartz as thermal insulator?
October 08, 2014 03:38PM
What advantage does a quartz tube as an insulator get you? Usually quartz is used for it's thermal strength and dimensional stability, not for it's thermal conductivity. Strength and stability doesn't really get you any benefit for how we use them.
Re: have anyone used Quartz as thermal insulator?
October 08, 2014 06:05PM
Quote
cdru
What advantage does a quartz tube as an insulator get you? Usually quartz is used for it's thermal strength and dimensional stability, not for it's thermal conductivity. Strength and stability doesn't really get you any benefit for how we use them.

It sounds like he's using it for the heat break I would guess, or above that?

Sounds interesting, lots of pics of the manufacture would be fascinating
Re: have anyone used Quartz as thermal insulator?
October 08, 2014 06:43PM
You are right, it will be used instead of the ss throat. Quartz is better insulator than stainless steel, allowing you to see what it's happening inside, and it is alot more structurally sound than Peek.

Quartz it's also machinable with diamond tip tools and it is not expensive to get it. 2 pieces already tapered for $ 12.00 each. Maximum operational temperature 1100 degrees and do not suffer from thermal shocks.

Will post pictures and results soon.
Re: have anyone used Quartz as thermal insulator?
October 08, 2014 06:49PM
On another note, it's friction coefficient is better than stainless steel, and in theory wouldn't suffer the problems that ss have with PLA. Will see if that is true.
Re: have anyone used Quartz as thermal insulator?
October 08, 2014 08:03PM
Here you can see samples of machined quartz and fused silica tubes :www.indquartz.com
Re: have anyone used Quartz as thermal insulator?
October 09, 2014 06:12PM
I would love one, are diamond tools you mention expensive? I'm assuming it requires more than a metal bit coated in diamond dust.
Re: have anyone used Quartz as thermal insulator?
October 09, 2014 09:55PM
Sorry for late response, most likely the tools would be expensive, that's why I'm having the manufacturer make it all for me. It will take about 2 - 3 weeks to arrive, but will upload pictures when I get them.
Re: have anyone used Quartz as thermal insulator?
October 12, 2014 12:35PM
Sounds interesting, looking forward to how it turns out.
Re: have anyone used Quartz as thermal insulator?
October 12, 2014 07:23PM
Quote
ggherbaz
Here you can see samples of machined quartz and fused silica tubes :www.indquartz.com

Wow, looks nice, I'm curious, if this material indeed improves the printing of PLA compared to SS, this could solve a lot of issues!


http://www.marinusdebeer.nl/
Re: have anyone used Quartz as thermal insulator?
April 05, 2016 04:29AM
It sounds really interesting. I am looking forward to see the results.

Quartz has high thermal resistance and is it very hard material. Therefore, it is a good choice to use it as a thermal insulator. But machining quartz requires high precision and accuracy. Make sure you do it very carefully.


You can visit at http://top-seiko.com/material-cat/machining-quartz-glass-products/ for more information about quartz glass products
Re: have anyone used Quartz as thermal insulator?
April 05, 2016 11:03AM
Pyrex might be a better choice, it's got a lower thermal conductivity, and you can mold it with a blowtorch.
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