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by Dairy Queen
Wed Feb 06, 2013 11:01 am
Forum: Techniques and Tools
Topic: designing & firing a 5 layer project
Replies: 23
Views: 13134

Re: designing & firing a 5 layer project

mor,
Is there no room in your brain for a different opinion? If not, you have no room for growth. Last time we disagreed, I had to bring in Ted from Bullseye to explain where you were incorrect. This Board is an absolute waste of my time. I am no longer following.
by Dairy Queen
Tue Feb 05, 2013 11:19 am
Forum: Techniques and Tools
Topic: Glass Straws
Replies: 10
Views: 5705

Re: Glass Straws

The pot should only crack if you crash cool it. I've used all of mine many times, with only one - abused by me with a crash cool - cracked. I wrapped a wire around it, and was able to use it two more times before it poured out onto my kiln floor. Don't waste time on broken pots. Also, after 10 or so...
by Dairy Queen
Tue Feb 05, 2013 9:52 am
Forum: Techniques and Tools
Topic: designing & firing a 5 layer project
Replies: 23
Views: 13134

Re: designing & firing a 5 layer project

From Morganica: Uhm...no. If you have good schedule practice to begin with, nothing changes. The programming would be the same. I'm not sure where you get the notion that two layers of plain, clear glass and three layers where the top is decorated are "similar." "I prefer to stack 'pr...
by Dairy Queen
Mon Feb 04, 2013 10:07 am
Forum: Techniques and Tools
Topic: designing & firing a 5 layer project
Replies: 23
Views: 13134

Re: designing & firing a 5 layer project

Morganica,
Replace "similar" with pre-fired elements.
Please explain "good schedule practice" that applies to multiple set ups.
Rose
by Dairy Queen
Sun Feb 03, 2013 8:40 am
Forum: Techniques and Tools
Topic: designing & firing a 5 layer project
Replies: 23
Views: 13134

Re: designing & firing a 5 layer project

William, you are absolutely correct!!!
by Dairy Queen
Sat Feb 02, 2013 11:07 am
Forum: Techniques and Tools
Topic: designing & firing a 5 layer project
Replies: 23
Views: 13134

Re: designing & firing a 5 layer project

The reason for pre firing is to eliminate trapped air. You can do what Monica said, pre firing only the designed piece, then stack with unfired layers for finish fire. I prefer to stack 'similar' items for easier programming. Morganica may be firing some of her glass less times, but she is combining...
by Dairy Queen
Fri Feb 01, 2013 10:23 am
Forum: Techniques and Tools
Topic: designing & firing a 5 layer project
Replies: 23
Views: 13134

Re: designing & firing a 5 layer project

..."intention is to have the finished piece 1/2-5/8" thick." I could ask a million questions, but I will instead jump right in. At 1/2-5/8" thick, I am assuming you will dam your project to prevent spreading. Pre firing blanks helps in preventing bubbles, but if not fired properl...
by Dairy Queen
Mon Jan 28, 2013 10:55 am
Forum: Techniques and Tools
Topic: Dogboning 3mm glass
Replies: 2
Views: 2007

Re: Dogboning 3mm glass

Bullseye:
Depends on how fast or slow you go up, and how long you hold at temps, but generally 1300-1350 degrees Farenheit.
by Dairy Queen
Tue Jan 01, 2013 12:38 pm
Forum: Techniques and Tools
Topic: Screen Melts
Replies: 35
Views: 20194

Re: Screen Melts

SR,

If the kiln went up as fast as possible, glass pieces can shatter all over the kiln.

During the drip and annealing phases, the spalling of the metal can throw glass around the kiln.

DQ
ps. just use clay
by Dairy Queen
Tue Jan 01, 2013 12:17 pm
Forum: Techniques and Tools
Topic: Thin Opaque Bullseye
Replies: 11
Views: 6206

Re: Thin Opaque Bullseye

A thought:

Does Bullseye use the same annealing schedule for thin as for 3mm?
by Dairy Queen
Tue Jan 01, 2013 12:15 pm
Forum: Techniques and Tools
Topic: Thin Opaque Bullseye
Replies: 11
Views: 6206

Re: Thin Opaque Bullseye

It might claim to be 2mm, but it is thinner than that. I never took photos of the failures, but I did box them up to go back to Bullseye. It has probably already shipped. To be clear, it only happens with yellows and piss greens. Other colors like pink, blue, and dark greens don't have any problem s...
by Dairy Queen
Tue Jan 01, 2013 12:09 pm
Forum: Techniques and Tools
Topic: Screen Melts
Replies: 35
Views: 20194

Re: Screen Melts

This drop in this student's piece didn't need to be this high. The goal was to get it to fill up the translucent white onto which it was dropping, with a finished piece being consistent 6mm. I post this photo to show the use of clay instead of metal for drops. The hold required for leveling it all o...
by Dairy Queen
Tue Jan 01, 2013 11:55 am
Forum: Techniques and Tools
Topic: Thin Opaque Bullseye
Replies: 11
Views: 6206

Re: Thin Opaque Bullseye

Steven, this is not the thin opaque. It just shows my method of stretching. I don't have photos of the thin opaque failures, but they were stretched the same way. The design in this piece is trrips of factory glass, stacked like a plaid, and stretched out to 6mm in thickness. It is sandwiched betwee...
by Dairy Queen
Tue Jan 01, 2013 11:37 am
Forum: Techniques and Tools
Topic: Thin Opaque Bullseye
Replies: 11
Views: 6206

Re: Thin Opaque Bullseye

Here is one example. Lay up is on one 10 X 10" piece of 3mm translucent white. The stack is a total of 12mm of 8 X 6" of glass. Many things are going on here, including travel, but the goal is to get the stack to stretch to the size of the transparent white.
by Dairy Queen
Mon Dec 31, 2012 9:08 am
Forum: Techniques and Tools
Topic: removing bottle labels Q?
Replies: 19
Views: 10623

Re: removing bottle labels Q?

I have used goo gone of denatured alcohol to remove plastic labels and their leftover glue. Works OK.

Andy T:
The old paper labels come off with water soak and the tiniest bit of (any cheap) soap. they are reusable.
by Dairy Queen
Mon Dec 31, 2012 9:01 am
Forum: Techniques and Tools
Topic: Thin Opaque Bullseye
Replies: 11
Views: 6206

Thin Opaque Bullseye

More on stretching:

If stretched by dropping, Bullseye Opaque Thin seem to be OK, but if stretched flat on the shelf, it breaks shatters, and shatters the rest of the glass. Has anyone experienced this problem? What causes it? I have theories, but none of them make sense to me.
by Dairy Queen
Tue Dec 25, 2012 4:11 pm
Forum: Techniques and Tools
Topic: Screen Melts
Replies: 35
Views: 20194

Re: Screen Melts

Maybe I haven't learned your method of trapping irid.
by Dairy Queen
Tue Dec 25, 2012 11:24 am
Forum: Techniques and Tools
Topic: Screen Melts
Replies: 35
Views: 20194

Re: Screen Melts

I have been experimenting with the stretch and flow of glass. Irid surfaces can be trapped inside of glass, but if the glass stretches or flows, the irid resists, as it cannot stretch. The stress shows up in the annealing range with major and minor cracking. By rapidly, I meant the slightest stretch...
by Dairy Queen
Mon Dec 24, 2012 12:41 pm
Forum: Techniques and Tools
Topic: Screen Melts
Replies: 35
Views: 20194

Re: Screen Melts

Also, irid trapped inside of moving, flowing glass rapidly becomes non-compatable.
by Dairy Queen
Sat Dec 22, 2012 9:16 am
Forum: Techniques and Tools
Topic: Pot Melt Primer
Replies: 20
Views: 13262

Re: Pot Melt Primer

Ceramic glaze can also be low fire, and will mix/mess with your glass. High fire glazes, used for most floor tiles will withstand a normal potmelt.

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