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Boro Room -- For Boro-related tips, techniques, and questions. |
2006-10-27, 12:19pm
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ID10T Problem Solver
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Join Date: Jan 19, 2006
Location: Kearney, MO
Posts: 1,218
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Fill in the blanks....
I have a Paragon Bluebird with a Sentry controller. I have included my soft glass schedule and would like help filling in my chart for boro....I can follow what temps and holding people give as advice, but I get lost trying to translate it into the actual program....can someone help?
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~jana~
***Scorpion (4 stud)***
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2006-10-27, 1:00pm
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The Venerable Bead
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Join Date: Jul 22, 2005
Location: Rhode Island
Posts: 1,951
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Borosilicate Garaging (Program 3)
Steps 1 2 3 4
Ramp Time (rA) full 400 400 400
Temperature (F) 960 1050 950 500
Hold Time (HLd) 4.0 .30 .30 0
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"I believe in pink, I believe that laughing is the best calorie burner. I believe in kissing, kissing a lot. I believe in being strong when everything seems to be going wrong. I believe that happy girls are the prettiest girls. I believe that tomorrow is another day and I believe in miracles."
— Audrey Hepburn
flaming away on a betta, natural gas, and 2 M-20's
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2006-10-27, 1:30pm
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ID10T Problem Solver
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Join Date: Jan 19, 2006
Location: Kearney, MO
Posts: 1,218
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Thank you soooo much!
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~jana~
***Scorpion (4 stud)***
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2006-10-27, 1:33pm
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boro color bender
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Join Date: Jun 06, 2005
Location: The Oregon coast!
Posts: 10,039
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If that's 400 degrees per hour, that's too fast. I ramp down at 60-80 degrees per hour. You aren't losing many beads right away at the faster rate, but they will probably fail later.
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"Truth is, everybody is going to hurt you; you just gotta find the ones worth suffering for." -Bob Marley
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2006-10-27, 2:28pm
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The Venerable Bead
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Join Date: Jul 22, 2005
Location: Rhode Island
Posts: 1,951
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do what smiley says! changing my program now....
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To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts. Paula AKA The Venerable Bead To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts.
"I believe in pink, I believe that laughing is the best calorie burner. I believe in kissing, kissing a lot. I believe in being strong when everything seems to be going wrong. I believe that happy girls are the prettiest girls. I believe that tomorrow is another day and I believe in miracles."
— Audrey Hepburn
flaming away on a betta, natural gas, and 2 M-20's
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To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts.
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2006-10-27, 2:36pm
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The Venerable Bead
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Join Date: Jul 22, 2005
Location: Rhode Island
Posts: 1,951
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smiley do you go from the soak temp 950 to 500 at that slow rate too? 80 degrees per hour? glad jana brought this up.
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To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts. Paula AKA The Venerable Bead To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts.
"I believe in pink, I believe that laughing is the best calorie burner. I believe in kissing, kissing a lot. I believe in being strong when everything seems to be going wrong. I believe that happy girls are the prettiest girls. I believe that tomorrow is another day and I believe in miracles."
— Audrey Hepburn
flaming away on a betta, natural gas, and 2 M-20's
To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts.
To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts.
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2006-10-27, 2:39pm
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boro color bender
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Join Date: Jun 06, 2005
Location: The Oregon coast!
Posts: 10,039
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I turn mine off after strain point for smaller stuff. Heck, I even do that for bigger stuff, because my large kiln is a fire brick beast. The only thing you are worried about below 950 is thermal shock... no permanent stress is introduced into the glass. If you go slow enough from annealing temp to strain point, it's annealed and whatever stress present in the glass is locked in. That's why it's uber important to go slow enough between those two points.
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"Truth is, everybody is going to hurt you; you just gotta find the ones worth suffering for." -Bob Marley
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2006-10-27, 5:09pm
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ID10T Problem Solver
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Join Date: Jan 19, 2006
Location: Kearney, MO
Posts: 1,218
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With Brent's adjustment, would it now be:
Steps 1 2 3 4
Ramp Time (rA) full 400 80 80
Temperature (F) 960 1050 950 500
Hold Time (HLd) 4.0 .30 .30 0
__________________
~jana~
***Scorpion (4 stud)***
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