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by Brad Walker
Thu Mar 28, 2019 1:06 pm
Forum: Techniques and Tools
Topic: kiln controller question
Replies: 15
Views: 4317

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: 4317

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...
by Brad Walker
Thu Mar 28, 2019 10:23 am
Forum: Techniques and Tools
Topic: kiln controller question
Replies: 15
Views: 4317

Re: kiln controller question

You should be able to set up a standalone controller into which you can plug whichever kiln you're using. Probably work best with a switchable two-in-one plug.
by Brad Walker
Fri Mar 22, 2019 12:15 pm
Forum: Techniques and Tools
Topic: float glass fusing problem - bends
Replies: 11
Views: 3114

Re: float glass fusing problem - bends

Yes, that's right. You don't really need to program the last step all the way down to room temperature.

As your final step, I would program 45 dph down to 375C, then turn the kiln off and let it cool with the lid closed to room temperature.
by Brad Walker
Fri Mar 22, 2019 11:25 am
Forum: Techniques and Tools
Topic: float glass fusing problem - bends
Replies: 11
Views: 3114

Re: float glass fusing problem - bends

It's not unusual for long narrow pieces to bow slightly. To solve the problem, I recommend stopping just above the annealing temperature and holding for at least half an hour That gives the glass time to relax and even out the internal temperature before annealing. Your schedule is unusual in that y...
by Brad Walker
Fri Mar 22, 2019 10:11 am
Forum: Techniques and Tools
Topic: Cold Zone under kiln shelf?
Replies: 1
Views: 1051

Re: Cold Zone under kiln shelf?

Get rid of the shelf. Just use posts.

Also, I'd hold a little bit longer at your top temperature than you have been.
by Brad Walker
Thu Mar 21, 2019 12:34 pm
Forum: Techniques and Tools
Topic: float glass fusing problem - bends
Replies: 11
Views: 3114

Re: float glass fusing problem - bends

Could you tell us what you mean by "bends"?

Is the piece being fused on a flat shelf and bows upward slightly or is it something else?

Also, it would help to have your firing schedule.
by Brad Walker
Thu Feb 07, 2019 9:25 am
Forum: Techniques and Tools
Topic: How much weight can wire inclusions bear?
Replies: 8
Views: 3441

Re: How much weight can wire inclusions bear?

I was not aware there’s a compatibility problem with wire inclusions... Many of the wire and glass pieces made in the 1970's are now starting to crack. And I've seen fused wire pieces crack much more quickly than that when the wire is thicker. The COE for most metals is 150 or higher. So it's not m...
by Brad Walker
Wed Feb 06, 2019 12:05 pm
Forum: Techniques and Tools
Topic: How much weight can wire inclusions bear?
Replies: 8
Views: 3441

Re: How much weight can wire inclusions bear?

What gauge wire? What material wire?

I would be more concerned about long term compatibility than holding up the two layers.
by Brad Walker
Thu Jan 31, 2019 3:32 pm
Forum: Techniques and Tools
Topic: Easy Fire enamels
Replies: 2
Views: 2089

Re: Easy Fire enamels

Lots of enamels out there, none are the same. You'll have to check the specifications (firing recommendations) and content (lead or non-lead, COE dependent or not) for each enamel to make comparisons. Since Easy Fire and Fusemaster are marketed by the same people (Fusion Headquarters), I would conta...
by Brad Walker
Sat Jan 12, 2019 9:52 pm
Forum: Techniques and Tools
Topic: irritating news
Replies: 11
Views: 5285

Re: irritating news

Great to hear from you, Bert, and glad you're back 100%. Missed you.
by Brad Walker
Sun Dec 30, 2018 10:30 am
Forum: Techniques and Tools
Topic: Damming a curved line
Replies: 7
Views: 3281

Re: Damming a curved line

I would cut it out of Ceramaguard, but I'm not sure that's available in Israel.

Second choice would be to use long strips of 3mm fiber paper, which can be wrapped around the dammed area several times, then secured with lots of small kiln posts and strips of cut up kiln shelf.
by Brad Walker
Tue Dec 18, 2018 1:50 pm
Forum: Techniques and Tools
Topic: Where is the iridescent 96?
Replies: 7
Views: 3609

Re: Where is the iridescent 96?

I was at Spectrum years ago and watched them iridized glass with a spray arm going back and forth as the glass came out of the rollers. I think Oceanside has bitten off more than they can chew. some of the clears are terrible. Spectrum would iridize their stained glass, which burns off in the kiln....
by Brad Walker
Mon Dec 17, 2018 9:49 pm
Forum: Techniques and Tools
Topic: Where is the iridescent 96?
Replies: 7
Views: 3609

Re: Where is the iridescent 96?

I believe Uroboros did the coatings on Spectrum's irid. I suspect it's not yet a priority for Oceanside.
by Brad Walker
Fri Dec 14, 2018 11:19 am
Forum: Techniques and Tools
Topic: Removing sticker 'ghost marks'
Replies: 11
Views: 5073

Re: Removing sticker 'ghost marks'

Surprised acetone didn't do it. And bad language seldom works, but it does make you feel better. About the only other thing I can think of is CLR (Calcium Line Rust), which has multiple solvents but may not be available in Australia. On the other hand, the company that put that sticker on has gone o...
by Brad Walker
Fri Dec 07, 2018 9:25 am
Forum: Techniques and Tools
Topic: colourless glue
Replies: 8
Views: 4084

Re: colourless glue

Marty wrote:Check on the cure time- last I used it I left it for a week undisturbed.


Hxtal takes a week to cure. You can speed it up with heat (say, undisturbed under a hot kiln), but that still takes 3 or 4 days.
by Brad Walker
Mon Nov 05, 2018 1:31 pm
Forum: Techniques and Tools
Topic: Stainless ring mold
Replies: 7
Views: 4893

Re: Stainless ring mold

Thicker will work fine.

Or just cut a hole in something like a piece of Ceramaguard and for a lot less money than stainless you'll have something that will work just as well.
by Brad Walker
Mon Nov 05, 2018 1:29 pm
Forum: Techniques and Tools
Topic: mold
Replies: 4
Views: 2973

Re: mold

Consider not using stainless. I have these kinds of things made from regular mild steel, as much as 1/4" thick and just cover the steel with thinfire paper before I use the mold. Works perfect, and any spalling is contained by the thinfire. I use a local metal fabricator. They're fairly easy to...
by Brad Walker
Thu Oct 04, 2018 8:36 am
Forum: Techniques and Tools
Topic: Wetbelt sander belts breaking
Replies: 10
Views: 5217

Re: Wetbelt sander belts breaking

Tony Smith wrote:Are these full-size belts or Covington size? I've never heard of belts coming apart, but I suppose it's possible as the glue hardens over time.


Full-size. I'd never heard of it either until it happened twice this past month.
by Brad Walker
Wed Oct 03, 2018 8:33 am
Forum: Techniques and Tools
Topic: Wetbelt sander belts breaking
Replies: 10
Views: 5217

Re: Wetbelt sander belts breaking

Funny you mention this, Greg. I had two split on me just a couple of weeks ago. Don't know why. The belts were purchased several years ago, so perhaps there's a shelf life issue. But I've never had the problem before.

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Warm Glass

2575 Old Glory Road, Suite 700
Suite 700
Clemmons, NC 27012
Phone: (336) 712 8003
Email: wg@warmglass.com