The big old pressure cookers for canning were cast. Newer ones, of any size, seem to be drawn. As noted above these are both thin and not the...
Really interesting thread, for me. My initial thought here was sand/sodium silicate/C02. The OPs process seems to me to be more conventional sand...
That kind of narrows it down to Monel 400/405?
Here is what the FAA has to say about castings: 14 CFR § 25.621 - Casting factors. These are in addition to the normal FOS of 1.5 for structural...
Who's scanner did you buy and what is 'expensive'? Looks better than my Ferret (cheap end of the spectrum) has been able to produce.
Just a data point not related to casting but might help for the part described? 3D print using TPU filamanet. I've used it to print carb gaskets...
It seems that a carbon rod, drilled, is the de-facto standard for this. I've been pondering using a ceramic tube. The 'open one end only'...
No. My personal interest is more along the lines of small scale production. A few years ago I purchased a small quantity from a school supply...
Polymorph is very different material. At 70 pounds/ft^3 it isn't suitable for lost foam casting. The search for the Holy Grail of fresh...
Transmission jack is what you need. Used one with some welded up jigs for my brothers keel. Having the adjustment of the transmission jack...
More work than countersunk Nutserts - but they won't come loose.:cool:
Most any of the hobby grade scanners mention here should be able to handle that size with no problem. The biggest problem with the bodies shown is...
Look at the tutorials for standard ceramic kilns. Other than what we cook in them they are almost identical. PID temperature controller to Solid...
Update on my Ferret scanner: It will not work withe WIN 10 software on a desktop computer. Tried 2 different computers and both Creality and...
Try some of the commercial roofing contractors. Boat dock billet is generally large cell - worthless for lost foam, great for airplane wings - but...
To me that is more impressive than a text book perfect pour. Takes a calm kind of 'scramble' that only comes with experience to recover with your...
Got around to wiring up my control box thanks to monsoon season here in the Rockies. Never have found the box of missing parts...... This got me...
I hadn't considered it's quenching effect on the foam. It could be a significant factor. My original thought was not so much to keep things in...
Necro post: Some of the things I have planned to cast with LF do have some thin sections that would be flexible in foam. The thought occurred to...
Thanks for the link to the video. I guess I just got spoiled by my old NextEngine scanner. It worked. There were some things that needed some...
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