
Build Brass Nuts
4 months ago
The second project I've run for Build Conference. This time, ten bespoke brass nuts, with a short film to show the making-of.
Check out the finished nuts here: thomasforsyth.co.uk/index.php?s=work&id=28
Many thanks to: backyardmetalcasting.com/
Also: 2011.buildconf.com/
Check out the finished nuts here: thomasforsyth.co.uk/index.php?s=work&id=28
Many thanks to: backyardmetalcasting.com/
Also: 2011.buildconf.com/
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Prev week
I always heard that making several sprues have a negative effect on the casted part. Let me explain why.
When you pour the molten metal into the sand mold, sand is carried with metal and will from a front of sand and other unwanted particles ahead of metal. If you pour in different points it's probable that different fronts will meet each other in the middle of the part, causing a weaker surface and sand inclusions in the part.
To manage the speed of casting, you can adjust the sprue, runners and pouring cup in order to saturate it and let the metal go in the part without rushing and taking bits of sand causing a weird surface aspect.
Well I'm not a professional caster, so here are my two cents.
And by the way, congrats for the making, they look really nice ;)