Today I got two 200ml crucibles from Amazon. Not the best, but for copper temps these are OK. They last about 20 melts and recently one was...
Today I melted some copper in a last time use crucible which had a crack. When it was molten, I took the crucible out but it broke apart and the...
What I do to keep my crucibles clean is that after the pour (copper, bronze or cast iron) I quickly scrape off the inside of the orange hot...
On this forum there are some topics about electric furnaces using Kanthal wire elements which can reach at most 1400 C element temperature which...
These castings are a spiral of which the pattern was made by coiling insulated 2.5mm2 ground wire to a 3" (7.5cm) disk. I used bronze / brass with...
[MEDIA] This is real fun. On 7:00 the guys are wearing sandals when pouring the white hot stainless steel. They use a makeshift furnace which is...
On some Youtube videos and in real life (glass blower) I saw medical oxygen concentrators which deliver highly O2 concentrated air up till 90% O2....
Sometimes I watch his Youtube channel. He has a nice workshop and some interesting projects with melting metals, but I think his setups are...
I stumbled upon this site with a desktop induction furnace of 2800W running on 230V AC (i.e. no 3 phase required):...
I found some Youtube videos on this how to make it.These show usually a guy putting bearing balls in a standard clay / graphite crucible. Then...
When searching I stumbled upon a Chinese site which sells a 'Blast Furnace Top Camera' which should withstand 2000 C for long periods of time. I...
Well, I tried out more burner designs: Fronty T, Reil for my furnace. They get hot, but when I use forced air (using an air mattress inflater)...
I made this bronze / brass (brass diluted with at least equal amount of copper to prevent zinc fumes) little egg cup (here upside down as it was...
Recently I replicated an earthenware tea bag saucer in silicon bronze. It succeeded, but it was too heavy. So I got an idea to shave off a few mm...
In my indoor lab I have a fume hood which I have been using successfully for years. I use it for some experiments where I need venting off stinky...
I tried the method of adding Mg metal + Ferrosilicon to liquid cast iron to convert it to ductile iron. I melted cast iron and when it was fully...
I stumbled upon this video, which is about a guy who melts copper and when it is molten, adds cast iron and then aluminum. The latter is probably...
https://www.toautotool.com/collections/smelting-tools/products/3kg-electric-metal-forging-melting-furnace-smelting-furnace-gold-silver-smelter-110v...
I found a shell which is a very nice sample (no not sponsored by the large oil and gas multinational) and it is only 1-2mm thick an about 3"...
I stumbled upon this video about a guy using a charcoal powered cupola and a natural draft propane furnace and in both cases the cast iron was...
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