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| Tips, Techniques, and Questions -- Technical questions or tips |
2013-01-17, 3:41pm
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Junior Member
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Join Date: Dec 23, 2009
Posts: 7
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Batch Annealing Question?
When batch annealing beads, what material do you set the beads on (mandrels removed), inside the kiln?
Thanks!
Tom
P.S. I'm still searching for a place/person in the Milwaukee area that can do some batch annealing for me.
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2013-01-17, 4:37pm
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Now part of the Dark Side
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Join Date: Jul 02, 2010
Location: North Central PA
Posts: 966
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A lot of peeps just use a clay flowerpot.
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Roy
Hot glass does not crack.
Unless it is glowing and drippy, hot glass looks like cold glass.
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2013-01-17, 4:48pm
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Junior Member
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Join Date: Dec 23, 2009
Posts: 7
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Can the beads touch each other, or be stacked on top of each other?
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2013-01-17, 4:52pm
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Loving learning
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Join Date: Oct 11, 2010
Location: Florida
Posts: 11,654
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yes, assuming your temperature is set right so they don't start getting sticky & melting.
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2013-01-17, 4:58pm
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Junior Member
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Join Date: Dec 23, 2009
Posts: 7
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Great, thanks for the info! Now if I do find a kiln to use, I'll know how to put them in the kiln.
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2013-01-17, 5:48pm
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Junior Member
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Join Date: Dec 23, 2009
Posts: 7
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One last question: How many beads can you safely anneal at once?
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2013-01-17, 6:18pm
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Now part of the Dark Side
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Join Date: Jul 02, 2010
Location: North Central PA
Posts: 966
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As many as fit.
__________________
Roy
Hot glass does not crack.
Unless it is glowing and drippy, hot glass looks like cold glass.
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2013-01-17, 7:29pm
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Senior Member
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Join Date: Jun 12, 2005
Posts: 131
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Fiber blanket or shelf liner will work. I have a friend who anneals her beads in a ceramic kiln; she figured out what cone is 960 degrees. It's a precaution to protect the floor of the kiln against an over-fire.
Nolly
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2013-01-17, 9:26pm
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Junior Member
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Join Date: Dec 23, 2009
Posts: 7
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Thanks everyone, i really appreciate all the help!
Tom
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2013-01-23, 4:49pm
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Senior Member
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Join Date: Mar 04, 2010
Posts: 112
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Hi Tom, you can use any ceramic bowl, put them directly on the shelf in the kiln (leave room around the edges in case something goes wrong and the glass melts), or what I do often is thread them onto a long mandrel of smaller diameter and set them in that way. It's a really great way to prevent them from sticking together.
If the annealing temp is just a hint too high/time too long (I notice small beads tend to stick together when I anneal at the same temp/time as bigger beads, they will actually "snap" apart, you might have to gently rub the spot where they touched, but more often than not, not even noticeable.
I'm curious what glass shops are in Milwaukee, that's where I'm from, and have never had luck finding any when I go home to visit!
Off topic.. Beginning Dreams Forever is a cool gallery, and the little Mexican restaurant 1/2 a block away is absolutely delicious!
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Dori
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