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by Brad Walker
Thu Apr 17, 2003 10:35 am
Forum: Techniques and Tools
Topic: Precut BE numbers?
Replies: 5
Views: 3503

Re: Precut BE numbers?

I'm posting this for a fusing friend of mine who only has a Hotmail email address. I'm not really sure of such an animal exists, but she's looking for a source for pre-cut numbers in Bullseye. One of our local suppliers had stars (I have a sneaky feeling they sent out for those to be waterjet cut) ...
by Brad Walker
Wed Apr 16, 2003 1:18 am
Forum: Techniques and Tools
Topic: Kiln Mods - Need validation
Replies: 3
Views: 2251

One of the things that Larry Fielder stressed in the kiln-building course I took at Carol Craiglow's a while back was that you should never rigidize the lid of a kiln. His view was that the rigidizer eventually gives way and causes even worse flaking and cracking. Larry felt that an HD lining (as yo...
by Brad Walker
Sat Apr 12, 2003 11:00 pm
Forum: Techniques and Tools
Topic: Why want it slump?
Replies: 8
Views: 4642

Actually, it's a strange firing schedule and I'm not sure I understand the logic behind it either. Nevertheless, if a soak of 15 minutes at 1225 didn't work, then I would soak for longer at that temperature. In general, you need to know the type of glass, the thickness and size of the glass, and the...
by Brad Walker
Sat Apr 12, 2003 8:36 pm
Forum: Techniques and Tools
Topic: Why want it slump?
Replies: 8
Views: 4642

And what temperature are you firing to?
by Brad Walker
Sat Apr 12, 2003 11:06 am
Forum: Techniques and Tools
Topic: What is your favorite straight glass cutter? Circle?
Replies: 15
Views: 10103

I used to use (and still do occasionally) the small Silberschnitt "Studio Circle Cutter", but now mostly use the really large, mounted on a table "Professional Circle Cutter" that Bullseye sells. It's as big an improvement on the small Silberschnitt as the Silberschnitt is on cutting by hand. Simila...
by Brad Walker
Fri Apr 11, 2003 10:06 am
Forum: Techniques and Tools
Topic: Making Itty Bitty Drop Molds?
Replies: 18
Views: 8526

I would tend to agree with Jackie. I would cast these shapes, not try to drop them through a ring. I have done that with holes as small as 1", but you need to very high temperature and a long soak. Even at that, you don't get much control and won't get the perfect shapes you're probably envisioning....
by Brad Walker
Thu Apr 10, 2003 12:48 am
Forum: Techniques and Tools
Topic: Another Kiln Repair Q
Replies: 15
Views: 7682

Get elements from Duralite, Joppa Glass (Dudley Giberson), or Euclid. All three have web sites (on my Resource page), and all three will help you with sizing. Duralite sells quartz tubes, Dudley sells high temp porcelain rods that do the same kind of thing. The both sell buttons of one type or anoth...
by Brad Walker
Wed Apr 09, 2003 8:05 pm
Forum: Techniques and Tools
Topic: Another Kiln Repair Q
Replies: 15
Views: 7682

The elements probably weren't pinned in by the factory. That's fairly normal for side elements.

Just get some element pins from any ceramic supply place (I get mine in Charlotte, but there's likely someone in Greensboro). Or get some nichrome wire and make the pins yourself.
by Brad Walker
Wed Apr 09, 2003 12:42 am
Forum: Techniques and Tools
Topic: Looking for small molds for firing
Replies: 13
Views: 6618

Magnets don't stick to stainless either. BB Some stainless steel is magnetic and some is non-magnetic. The magnetic variants have chromium and sometimes carbon, the non-magnetic have more chromium and add nickel. It's the nickel that turns the material from magnetic to non-magnetic. Many good stain...
by Brad Walker
Mon Apr 07, 2003 9:16 pm
Forum: Techniques and Tools
Topic: Jen Ken vs Skutt
Replies: 7
Views: 4103

Re: Jen Ken vs Skutt

I am trying to decide between Jen Ken - Oval 13 and Skutt GM 1414 The basic differences I can see are : Skutt is SLIGHTLY larger (1 1/2"wider, 1/2"d&h) the electrical draw is less on the Skutt (34.7amps vs 45amps) Skutt comes with 13- 1" post Skutt comes with the GlassMaster Digital controller, Jen...
by Brad Walker
Mon Apr 07, 2003 3:44 pm
Forum: Techniques and Tools
Topic: Warm Glass conference -- hotel poll
Replies: 14
Views: 7125

Warm Glass conference -- hotel poll

I am looking at two possible hotels for this conference. Both are Doubletrees and both are in the DC area. Both are very good facilities, but there are some differences. Hotel A is on the beltway, costs $89 per night (plus tax), and is two miles from a DC metro stop (shuttle is provided by the hotel...
by Brad Walker
Sun Apr 06, 2003 4:28 pm
Forum: Techniques and Tools
Topic: wet Belt sander question
Replies: 25
Views: 14245

Cork belts are available for the Covington wet belt sanders. Diamond and silicon carbide belts are also available, as well as felt and a few others I think. The Covington units are table top and come in both 3" by 24" and 3" by 41 1/2" sizes. (The larger units from Somaca et al have 4" by 108" belts...
by Brad Walker
Sun Apr 06, 2003 4:02 pm
Forum: Techniques and Tools
Topic: Checking kiln temperature????
Replies: 15
Views: 9600

Inotherwords, should I really be messing with my pyrometer & all it's electronics or just know that at 1350° I get a really full fuse in my big kiln? I think this is on the right track. So long as you know how your kiln behaves at whatever temperature it says on your pyrometer, then it doesn't rea...
by Brad Walker
Sun Apr 06, 2003 12:26 am
Forum: Techniques and Tools
Topic: Checking kiln temperature????
Replies: 15
Views: 9600

Another way to test the temperature in your kiln is with ceramic cones. Each cone is set up for a different temperature, so you can get some idea of how accurate or inaccurate your kiln is. Also, there's a lot of good information in Bullseye's "Knowing Your Kiln" TechNotes No. 1: http://www.bullseye...
by Brad Walker
Sat Apr 05, 2003 4:42 pm
Forum: Techniques and Tools
Topic: Kiln Wash Won't stick in mold
Replies: 6
Views: 3855

Re: Kiln Wash Won't stick in mold

:?: I have a new ceramic mold and the BE kiln wash will not stick to one small spot. I even tried leaving a thin puddle over the spot when I baked it, but no good, it came right off. What should I do to make it stick? Hopefully, Ross You probably don't have to do anything. It's common for ceramic m...
by Brad Walker
Wed Mar 26, 2003 9:16 pm
Forum: Techniques and Tools
Topic: Distance from top elements to glass?
Replies: 7
Views: 4952

Re: Distance from top elements to glass?

[quote="db]A thread a few weeks ago on craft web gave me the impression that there's a point of insulation thickness (I remember 6") after which it becomes a heat sink and begins to degrade efficiency. But that was folks who run their furnaces and lehrs for days, not hours. [quote] Sounds counter in...
by Brad Walker
Wed Mar 26, 2003 8:15 pm
Forum: Techniques and Tools
Topic: Distance from top elements to glass?
Replies: 7
Views: 4952

Re: Distance from top elements to glass?

I've just had my big side-element kiln retrofit with ceiling elements, so it can be used as a top-broiler, so to speak. I'm using it to slump lots of small pieces of glass, on corrugated stainless steel sheet. Question: how close can I safely place the glass to the top elements? 6"? 4"? I'd like to...
by Brad Walker
Wed Mar 19, 2003 11:31 am
Forum: Techniques and Tools
Topic: Does someone know Bina from Jones Glasswork?
Replies: 29
Views: 17005

I don't see how anyone can own the process of cutting a piece of copper and fusing it between two sheets of glass. The idea is obvious to anyone who's ever had a sheet of copper and a fusing kiln. As for Jackson Pollock's "innovative technique", he himself said that it was taken from Native American...
by Brad Walker
Tue Mar 18, 2003 5:52 pm
Forum: Techniques and Tools
Topic: making patterns bars
Replies: 6
Views: 5157

I'd be reluctant to use thin fire, for fear that it would curl and cause problems. I'd use a thicker fiber paper.

Has anyone tried this with thin fire?
by Brad Walker
Tue Mar 18, 2003 3:36 pm
Forum: Techniques and Tools
Topic: stands for display
Replies: 12
Views: 7228

For larger pieces you probably need to find a local welder. You ought to be able to get them made for $25 to $50 each, but it may take some effort to find a welder willing to take on the work.

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Suite 700
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Phone: (336) 712 8003
Email: wg@warmglass.com