That's a very nice piece of work, can you advise the size of it please ? Are you wanting to keep the original piece after moulding ? There are...
Hi to you Tim from the UK
Try washing the wax with methylated spirit before investing, also tip the flask as you fill to allow the air to be carried out from the corners...
For my bunsen burner, it's used for portable gas fires and use in caravans for cooking and heating. It's more expensive than propane over here and...
Copper absorbs oxygen during melting and this is the source of the porosity. Try putting charcoal on the copper during melting and if possible a...
I just use an angle grinder with 1mm or 0.6mm stainless steel cutting discs, dont force the discs and they slice cleanly through. I only melt bronze.
Greetings
Silverneedle.net/molten-metals-gloves Everything you could want you lucky bugger.
Very very impressive work.
Hi Zapins, yes I was working in centigrade. I have built a furnace specifically for burning out the shells, I do them singularly but it appears...
I can't tell if you are after the aluminium or the other ?
Before investing or shelling you should degrease with isopropyl alcohol or similar, I often use use methylated spirits. Just a quick mist and...
Did you degrease the wax before investing ?
My burn out for 40 kilos of investment is. Kiln pre heated to 200c wack in the flask for about 6-7 hrs, ramp at 85c per hour to 750c soak for 12...
Pre heated shells to 560 c but will go to 650 next time.
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