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by Brad Walker
Sun Jul 21, 2019 8:53 am
Forum: Techniques and Tools
Topic: Tack fusing temp. for frits
Replies: 2
Views: 27

Re: Tack fusing temp. for frits

Because kilns are so variable and your desired look is so specific, the best option is to do some small scale testing to see what works for you in your process. Use a base glass and put frit of various sizes on it, then fire to different temperatures to see what you like. It's a bit more complicated...
by Brad Walker
Tue Jul 16, 2019 8:32 am
Forum: Techniques and Tools
Topic: MM6
Replies: 3
Views: 45

Re: MM6

Enjoyed the video, can't wait for part 2.
by Brad Walker
Mon Jul 15, 2019 9:32 am
Forum: Techniques and Tools
Topic: Fusing antique glass
Replies: 11
Views: 82

Re: Fusing antique glass

What Jim and Kevin said.

Can't really be done and even if you could figure out how to do it it would cost more than buying new old glass.
by Brad Walker
Sat Jun 29, 2019 2:12 pm
Forum: Techniques and Tools
Topic: How to keep parts aligned during fusing?
Replies: 11
Views: 274

Re: How to keep parts aligned during fusing?

Before he passed away in 2011 Ron sent me a series of slides documenting his process. He actually made these boxes in two different ways: one was as Kevin described (encased in sand), the other was freestanding. I've done the sand version (used to teach it, long ago), it works well but like any cast...
by Brad Walker
Sat Jun 29, 2019 10:21 am
Forum: Techniques and Tools
Topic: How to keep parts aligned during fusing?
Replies: 11
Views: 274

Re: How to keep parts aligned during fusing?

For starters, white glue (or any glue, for that matter) will burn off before the two layers of glass fuse together, so you only consider glue as a way to help you get the glass into the kiln without moving, not a way to keep it from moving once its in the kiln. Also, ordinary white glue will sometim...
by Brad Walker
Fri Jun 28, 2019 2:23 pm
Forum: Techniques and Tools
Topic: fusing glass laminate powder
Replies: 1
Views: 109

Re: fusing glass laminate powder

In general glass laminate is used to laminate two pieces of glass together (like a front windshield in a car). It's a kind of plastic film between the two and can't be fused in the kiln.
by Brad Walker
Sat Jun 08, 2019 10:36 am
Forum: Techniques and Tools
Topic: My Orton controller - did it go wrong??
Replies: 6
Views: 223

Re: My Orton controller - did it go wrong??

PloG errors mean the controller has detected a problem. It can be a lot of things. Sometimes it's just a glitch caused by a power surge or something that's a one off thing. PLoG 011, 012, or 013 errors mean there's a problem with a thermocouple. I believe 010 is a generic catch all error message (bu...
by Brad Walker
Fri Jun 07, 2019 9:15 pm
Forum: Techniques and Tools
Topic: My Orton controller - did it go wrong??
Replies: 6
Views: 223

Re: My Orton controller - did it go wrong??

What was the complete firing schedule?

Do you recall the exact error message?
by Brad Walker
Tue May 21, 2019 10:01 am
Forum: Techniques and Tools
Topic: Drop Ring from thick slab
Replies: 10
Views: 475

Re: Drop Ring from thick slab

I would be very worried that the whole thing will fall through the drop ring hole. You said the glass is 5.5" in diameter and the drop ring hole is 4". That only leaves 3/4" of glass on the edges and it also looks to be chipped out. I don't see how it can hold on. However, I hardly e...
by Brad Walker
Mon May 20, 2019 2:03 pm
Forum: Techniques and Tools
Topic: Drop Ring from thick slab
Replies: 10
Views: 475

Re: Drop Ring from thick slab

I would go 100F/55C per hour to your top temperature and then hold until it has slumped. You'll also need a longer anneal because the piece is thicker. I would hold for at least 3 hours. One more thought: I never fire drops higher than 1325F/720C. If I've waited half an hour to 45 minutes at that te...
by Brad Walker
Fri May 03, 2019 4:18 pm
Forum: Techniques and Tools
Topic: I got the decals - in contiuation of block printinhg...
Replies: 5
Views: 367

Re: I got the decals - in contiuation of block printinhg...

Decals should be compatible with any glass. Different manufacturers have different firing schedules so you'll need to get some help from the place that sold them to you.
by Brad Walker
Wed May 01, 2019 7:59 am
Forum: Techniques and Tools
Topic: Need advice on cooling AFAP with Paragon CS-26
Replies: 6
Views: 353

Re: Need advice on cooling AFAP with Paragon CS-26

If the cooling profile from 1465 to 950 takes 2.5 or 3 hours with this kiln, is that going to work out or will I see devitrification? That's an entirely normal cooling rate. No need to crash cool. If you get devitrification it's more likely due to other factors than how rapidly you cool through thi...
by Brad Walker
Wed Apr 24, 2019 3:37 pm
Forum: Techniques and Tools
Topic: BE Dense White (0313) Reaction
Replies: 5
Views: 351

Re: BE Dense White (0313) Reaction

BE's reactive potential chart is just the possibility of a reaction, not definitely a reaction. I have tested almost all of the "lead" reactions. 0313 and 0243 react with 0137, but nothing else i have tried works. Almost none of the other lead colors react with anything in any significant ...
by Brad Walker
Fri Apr 12, 2019 11:25 am
Forum: Techniques and Tools
Topic: Flash glass questions
Replies: 3
Views: 403

Re: Flash glass questions

The Armstrong is just enamels on float. You an do the same thing yourself if you wish, using whatever base glass you prefer. Etching/blasting off the enamel will not give you the same look as true flash glass. You can make your own, using whatever combination of colors your want. The method describe...
by Brad Walker
Fri Apr 05, 2019 8:29 pm
Forum: Techniques and Tools
Topic: Float Glass Reco Needed for Decals
Replies: 7
Views: 563

Re: Float Glass Reco Needed for Decals

Two firings. One to smooth out the Bullseye glass and a second one with the frit.

Some enamels can give you compatibility problems (i.e, Thompson), some are fine regardless of glass used (i.e., Ferro Sunshine).
by Brad Walker
Fri Apr 05, 2019 2:02 pm
Forum: Techniques and Tools
Topic: Float Glass Reco Needed for Decals
Replies: 7
Views: 563

Re: Float Glass Reco Needed for Decals

No, you can't use Bullseye frit on float glass. But you can buy float compatible frit. There are several suppliers, try Armstrong Glass.

Float fires a bit hotter than Bullseye. But it can devitrify easily.

What was wrong with the Bullseye?
by Brad Walker
Fri Apr 05, 2019 1:59 pm
Forum: Techniques and Tools
Topic: SSR question
Replies: 17
Views: 1080

Re: SSR question

The difference in price between a 40 amp and 50 amp SSR is under $10
by Brad Walker
Fri Apr 05, 2019 1:08 pm
Forum: Techniques and Tools
Topic: Float Glass Reco Needed for Decals
Replies: 7
Views: 563

Re: Float Glass Reco Needed for Decals

Annealing for float is 1100F. For thin glass you wouldn't need to hold any longer than 15 minutes or so. You can buy thin float at just about any hardware store (Lowes, Home Depot, etc.) or any place that sells glass for windows or shelving. Make sure she buys a decal that matures at a relatively lo...
by Brad Walker
Thu Mar 28, 2019 1:06 pm
Forum: Techniques and Tools
Topic: kiln controller question
Replies: 15
Views: 1162

Re: kiln controller question

That's above my pay grade. I'm familiar with situations where you simply plug the kiln into the standalone controller and just plug in a different kiln as needed (as well as move the thermocouple), but don't have any experience with what you're wanting to do instead, other than to think it's a lot m...
by Brad Walker
Thu Mar 28, 2019 11:55 am
Forum: Techniques and Tools
Topic: kiln controller question
Replies: 15
Views: 1162

Re: kiln controller question

Thanks Brad. Do you have any idea of how long a thermocouple lead can be before you lose accuracy on the temperature? That's more of a question for someone like Tony Smith, but I did find this: The length of a thermocouple has no effect on its measurement accuracy or its ability to transfer the sig...

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Phone: (336) 712 8003
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