How thin can I go on a hollow boro bead?
Hi,
I want to make a very thin walled bead. I'm planning on using a mandrel to wrap the glass around it- like making a soft glass bead. Is there a lower limit to how thin the bead wall can be? Thanks |
The glass walls still needs to be at least double the thickness of the mandrel but it may be easier with boro tubing and no mandrel at all.
ETA: You can make the walls much thinner without the mandrel sucking out heat and you won't need separator. |
Thanks!
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Start with tubing and you won't need a mandrel at all.
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You can also make a hollow bead on the end of a steel hollow mandrel. No need for bead release - just build a blob of glass on the end and blow. Pop a hole at the end and clean up, hold the bead with something (I use a pair of forceps) and then heat the steel mandrel at the base of the build and it will pull right off.
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Wait.
Double the thickness of the mandrel? Maybe that applies for a regular boro bead wrapped on a mandrel. However, I think that is way too thick for a hollow, BLOWN boro bead. |
OOps you're right Dix...I meant as thick as the mandrel
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