annealing on regular shelf in fiber kiln
Posted: Fri Jan 16, 2004 12:01 pm
Hi all,
I just read a 3 p. thread about annealing in a fiber vs. brick kiln fusing
pattern bars. Well, I just got a Sierra fiber kiln w/fiber shelf and fiber kiln posts. I had been fusing in a fiber kiln with a standard shelf - don't know what it is made of. The point of the thread seemed to be that there might be annealing concerns all the way down to around 400 F. in a fiber kiln.
Would not a regular shelf which I assume holds more heat on the way down, change the annealing situations involving thicker larger pieces of glass. Also,
I got this kiln because my supplier sent me the pattern bar maker saying it would fit in my 6 inch fiber kiln. It does not and I refuse to cut it up.
I don't want to use my large kiln for this small bar maker or for experimenting with small bar projects.
I have had annealing problems in fiber kilns before and now I wonder if the regular shelf vs. a less heat holding fiber board shelf is the problem in a fiber kiln.
Could not find out what regular kiln shelves are made of - I thought they were clay. My 5 inch tiles tend to crack on the way down.
The elements in this sierra are imbedded -not seen, on 3 sides. The inside is 8 x 8 x 6 tall, the fiber shelf is 1/2 thick, and my regular shelves are 1/2 inch thick and my kiln posts are 1/2 inch. I noted the annealing times for BE opague mixed with clear - 990 possibly all the way down to 400.
Any ideas?
Regards and thanks, Ruth
Still in central Minnesota
I just read a 3 p. thread about annealing in a fiber vs. brick kiln fusing
pattern bars. Well, I just got a Sierra fiber kiln w/fiber shelf and fiber kiln posts. I had been fusing in a fiber kiln with a standard shelf - don't know what it is made of. The point of the thread seemed to be that there might be annealing concerns all the way down to around 400 F. in a fiber kiln.
Would not a regular shelf which I assume holds more heat on the way down, change the annealing situations involving thicker larger pieces of glass. Also,
I got this kiln because my supplier sent me the pattern bar maker saying it would fit in my 6 inch fiber kiln. It does not and I refuse to cut it up.
I don't want to use my large kiln for this small bar maker or for experimenting with small bar projects.
I have had annealing problems in fiber kilns before and now I wonder if the regular shelf vs. a less heat holding fiber board shelf is the problem in a fiber kiln.
Could not find out what regular kiln shelves are made of - I thought they were clay. My 5 inch tiles tend to crack on the way down.
The elements in this sierra are imbedded -not seen, on 3 sides. The inside is 8 x 8 x 6 tall, the fiber shelf is 1/2 thick, and my regular shelves are 1/2 inch thick and my kiln posts are 1/2 inch. I noted the annealing times for BE opague mixed with clear - 990 possibly all the way down to 400.
Any ideas?
Regards and thanks, Ruth
Still in central Minnesota