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Tips, Techniques, and Questions -- Technical questions or tips

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  #1  
Old 2011-05-31, 12:06pm
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kelle261 kelle261 is offline
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Default batch annealing question

I have searched all over this forum for an answer but have yet to find....How do arrange the beads in the kiln when you batch anneal them???...Sorry if this seems like a silly question but I have a lot of beads that need to be annealed and they are off the mandrel but I'm not sure if you just put them in the bottom of the kiln loose or something different. Thanks...Kelle
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  #2  
Old 2011-05-31, 12:20pm
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Just stick them in there. if it's a brick kiln, I would put some fiber blanket down, jic, but you should be fine as long as there's a good coat of kiln wash.
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  #3  
Old 2011-05-31, 1:05pm
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I have a kiln coming from The Glass Hive....so I can just put the fiber blanket down and then the beads...does it matter if they touch or better if they don't?
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  #4  
Old 2011-05-31, 2:27pm
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Quote:
Originally Posted by kelle261 View Post
I have a kiln coming from The Glass Hive....so I can just put the fiber blanket down and then the beads...does it matter if they touch or better if they don't?
Mine touch. It only poses an issue if the kiln gets too hot and they start to slump.
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  #5  
Old 2011-05-31, 3:22pm
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Default batch annealing

I put them in a Pyrex glass bowl.
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  #6  
Old 2011-06-01, 4:25am
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some don't mind if they touch, but. as a technical glass person, glass should never touch each other in any heating situation, there heat sinks. best way is to clean them, line them up on a mandrel and suspend them off the floor.
Any other way doesn't make it wrong.

Mike
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  #7  
Old 2011-06-01, 7:22am
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I use the "old" mandrel(s) and line them up method.... Use some kiln furniture to support ends of mandrels....



And NO the ends of mandrels are not touching heating elements... It only appears so...

Dale
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Last edited by Dale M.; 2011-06-01 at 7:27am.
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  #8  
Old 2011-06-02, 6:47pm
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Thanks so much for all the info....it is a great help!!
Kelle
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  #9  
Old 2011-06-03, 10:02am
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Where can one find some kiln furniture?
I need some ideas on what I could use to hold the mandrels for the "line up" method.
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Old 2011-06-05, 3:25pm
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I batch anneal all the time and i just put them in on top or right next to each other..never have had a problem!!!!!!!
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Old 2011-06-05, 4:32pm
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I just put them on a plate, just to keep them all together.
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  #12  
Old 2011-06-05, 5:42pm
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Quote:
Originally Posted by Dale M. View Post
I use the "old" mandrel(s) ...

And NO the ends of mandrels are not touching heating elements... It only appears so...

Dale
HaHAA - exactly what I thought when I saw your photo
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Old 2011-06-05, 8:48pm
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Go to ceramic (kiln) sites to find kiln furniture...

http://www.sheffield-pottery.com/Bea...ilns-s/114.htm

Dale
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  #14  
Old 2011-06-06, 10:59am
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When I batch annealed I just set them spaced towards the back of the kiln, on their sides so they couldn't roll around. Just make sure they aren't touching and try not to place them too close to the door where they might not get the heat they need. Asides from that it really doesn't matter.
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  #15  
Old 2011-06-07, 7:07pm
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Quote:
Originally Posted by Dale M. View Post
Go to ceramic (kiln) sites to find kiln furniture...

http://www.sheffield-pottery.com/Bea...ilns-s/114.htm

Dale
Thanks for the link Dale!

I was thinking about cutting stainless glass rod holder in half and use them to hold the mandrels. Some say that you can't put stainless in the kiln, some say it's okay. I am not sure...
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  #16  
Old 2011-06-07, 7:28pm
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Right now I have close to 100 beads still on the mandrels. They are stacked on top of each other in a 'heap', and will be annealed in the morning. I've done it previously and had no problems. There isn't any kiln wash on the floor of the kiln, nor is there a fiber blanket.
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  #17  
Old 2011-06-07, 8:25pm
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I have used stainless molds in my pottery kiln to fuse glass, stainless wire in my fused pendants to make embedded "bails", etc.
I bought a used chili pepper and it has metal racks in it to prop the front of the mandrel in, and mandrels are stainless too, right?
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  #18  
Old 2011-06-07, 9:04pm
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I have batch annealed directly onto the floor of the kiln. The kiln overheated and I had to scrape puddles of glass off the floor of the kiln. This can damage your kiln. I now use a piece of shelf paper or fiber blanket on the bottom.
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