Just to be clear, I wasn't saying gate/fill the pattern/casting from the bottom as far as sprue placement. The previous "filling with water"...
This is posted in the lost foam casting sub forum, but just to confirm, this is a polystyrene foam pattern, correct? Ordinarily we wouldn't be...
Hi dom. You're not exactly giving us a whole lot to go on with just a picture of the rendering and posing the question "why won't it cast". Take...
Increased Z travel Increased height under gantry Conversion from V-wheels to linear bearings on X & Y axis Conversion from Acme to ball screw on...
Got the intakes machined. Still have some machine work to do on the valley pan plenums but need to make a few upgrades to my CNC Router before I...
I think a sheet metal barrier with air gap to combustible surfaces to shield from the radiant heat would help. On your previous video it looked...
As long as the iron is soft gray they should stamp ok but probably shouldn't expect the depth and definition achieved in pewter on an as-cast iron...
Can't remember from your build but what is your vent and burner tube diameter? Best, Kelly
The needle valves are wide open on mine. If air usage isn't an issue, you may not need them. You could probably use an electric vibrator but it is...
CaCO3 can react with steam to form lime scale. Since you are using PB, it could be some other reaction with the binder. It could also be something...
When you say "same batch", does that mean poured from the same melt and same batch of mulled PB, or were there separate melts and remulling/mixing...
Buoyancy is less of an issue with aluminum versus bronze because silica sand and aluminum are fairly close in density. I cast 1.375"D x .25" wall...
Assuming it isn't something in the melt, what are you using for parting compound? Depending upon the answer, excess compound can do that. Best, Kelly
I cast with A356 so T51 is almost always my choice because it is easy, poses no risk to the casting, and achieves 80%+ of the mechanical...
Welcome Allen. We'll look forward to some future posts. Which casting method(s) do you use? Best, Kelly
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