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#1
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Source of small glass furnace in UK?
Well, I tried to reply off line, but IE makes it so difficult to get rid
of your NO SPAM, I gave up. You will have difficulty finding a way to work that small a quantity, especially if you literally want to melt from a batch recipe rather than cullet. A kilogram (2.2 pounds) is under half a liter volume. You might wish to look at small foundry furnaces or small cone 10 pottery kilns. -- Mike Firth Hot Glass Bits Furnace Working Website http://users.ticnet.com/mikefirth/hotbit46.htm Latest notes http://users.ticnet.com/mikefirth/NTBowl.htm Now 5 places to drop off, do it before Feb 10, Bowls in Dallas & Ft.Worth Feb 20, 11 am "Lloyd" wrote in message ... Anyone know where I can buy a small glass furnace in the UK. I want to melt batches of about 1kg or so. Thanks. |
#2
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"Lloyd" wrote in message
... Anyone know where I can buy a small glass furnace in the UK. I want to melt batches of about 1kg or so. Thanks. The melting technology group of British Glass in Sheffield used to have small gas-fired furnaces that could hold up to four pots, each with about 1kg of batch. They moved recently to the outskirts of Chapeltown. Glass Technology Services now handles that sort of thing. Their web site is http://www.glass-ts.com/ and they may be able to point you in the right direction. -- Terry Harper http://www.terry.harper.btinternet.co.uk/ |
#3
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You might consider building one. It's a lot easier than most people
realize - and a LOT cheaper than buying one. http://www.victorianartglass.biz/pro...os%2040lb.html Dennis Brady DeBrady Glass/Victorian Art Glass http://www.debrady.com |
#4
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Lloyd wrote:
Anyone know where I can buy a small glass furnace in the UK. I want to melt batches of about 1kg or so. Thanks. Build one yourself. My wife and I built a medium size glory hole with a melting pot slung underneath from an old oil drum. Fire up in the morning and start working three hours later. When you ready turn off the gas. Admittedly our pot holds 7-10 kg, but just take a smaller oil drum :-) |
#5
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Hans Paijmans wrote:
Lloyd wrote: Anyone know where I can buy a small glass furnace in the UK. I want to melt batches of about 1kg or so. Thanks. Build one yourself. My wife and I built a medium size glory hole with a melting pot slung underneath from an old oil drum. Fire up in the morning and start working three hours later. When you ready turn off the gas. Admittedly our pot holds 7-10 kg, but just take a smaller oil drum :-) Are you willing to share pictures/plans for that unit? -- Jack http://photos.yahoo.com/bc/xmissionbobo/ |
#6
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nJb wrote:
Hans Paijmans wrote: Lloyd wrote: Anyone know where I can buy a small glass furnace in the UK. I want to melt batches of about 1kg or so. Thanks. Build one yourself. My wife and I built a medium size glory hole with a melting pot slung underneath from an old oil drum. Fire up in the morning and start working three hours later. When you ready turn off the gas. Admittedly our pot holds 7-10 kg, but just take a smaller oil drum :-) Are you willing to share pictures/plans for that unit? Pictures on http://paijmans.net/Glas/ovenbouw.html although the text is in dutch, I'm afraid. Essentially you sling the drums in a frame, isolate them with 10 cm fire-resistant fiber, pour some dito concrete on the bottom and attach a heavy duty burner blasting through a hole in the side (BENTONE STG-146). It is amazing how straightforward everything is once you start. Mind you, we expect from the start that we will have to change the pot every few months. The fiber flakes a bit, but not catastrophic (yet). We melt glass sherds, and there are many small bubbles in the glass, as it never gets heated long enough to completely get rid of them. The door hangs from a single roller wheel (all-iron bearings!) of the type you often see on sliding barn doors. I may add that I am a typical white-collar worker, without extensive training in welding and other skills. And as you know, copper wire was invented by a scotchman and a dutchman fighting over a penny, so I think we did not buy anything else new but the burner, the fiber and the concrete. Everything else we scrounged from neighbours or scrapyards. We also heavily used: D. Giberson "A Glassblower's Companion", The Joppa Press H. Halem "Glass Notes, A reference for the glass artist", Franklin mill's press Both good books, although much information is double. But it is instructive to see two different views on glory hole and furnace building. |
#7
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Hans,
The pics make it clear enough, thanks. I just wanted to see what you meant by the pot in the bottom. Interesting concept. I helped build a small pot furnace and glory hole last summer but had never heard of the two combined into one. -- Jack http://photos.yahoo.com/bc/xmissionbobo/ |
#8
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nJb wrote:
Hans, The pics make it clear enough, thanks. I just wanted to see what you meant by the pot in the bottom. Interesting concept. I helped build a small pot furnace and glory hole last summer but had never heard of the two combined into one. Neither did we :-) A few minutes ago we opened the annealing oven for the latest batch, and it is instructive to see how the quality of the glass improves with the time that the pot was heated. The last few pieces (after the furnace had been heated for five or six hours, were of rather good quality, with bubbles so small that they were almost invisible. The flaking of the fiber causes my wife (who is the artist, I am just the mechanic) some worries. We sprayed it with waterglass before the first firing up of the oven, perhaps should not have done that. Or perhaps it is an inevitable byproduct of the rapid heating and cooling. That would be a pity, because the pot (although broken) keeps very well. |
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