So here is a link to one supplier. http://www.sheffield-pottery.com/U-S-Gypsum-1-CASTING-PLASTER-50-lbs-p/rmcaspla50.htm The name of the company is US gypsum...
42761
abascirocco
Apr 12, 2013 2:19 am
FWIW, US Gypsum also has a plaster specifically formulated for non-ferrous metal casting, they call it simply USG metal casting plaster. The other major North...
42762
rationalroot
Apr 16, 2013 11:25 pm
It still took a long time to melt the bronze, but the turtle turned out pretty well for my first bronze case, and my second sand cast of anything. ...
42763
Rupert
rwenig2
Apr 16, 2013 11:53 pm
Very very nice Dave. Now you really have the casting virus. Hint: Ramming the sand a little harder may help reduce the flash. Also, sometimes it help to press...
42764
bs190815
Apr 18, 2013 1:41 pm
For years I have been using Ransom & Randoph Ultra-Vest. I recently bought five 100 pound drum; I use nothing else! Here is their web site, lots of good...
42765
rationalroot
Apr 22, 2013 7:23 pm
This is a pic of the turtle once it's been cleaned up a little. It's about 3.5" long Dave ...
42769
Jeshua Lacock
jeshuala
May 1, 2013 3:59 am
Greetings, Today we published a complete 34 minute, step by step documentary of this entire Lost PLA 3D print to aluminum casting process. There is also quick...
42770
Sage McGirk
sagevma
May 1, 2013 12:18 pm
Thanks for the great posting Jeshua.... I had some assistance 3d printing some rings as proof of concept, and attempted my first CZ settings with Lost PLA,...
42771
Michael
boxcarmj...
May 1, 2013 11:13 pm
Hi, thank-you for posting this is the very best I've seen on the net ever!!! Mike....
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Jeshua Lacock
jeshuala
May 1, 2013 11:16 pm
... Hi Mike, Thank you! Glad to hear you enjoyed it. Best, Jeshua Lacock Founder/Engineer 3DTOPO Incorporated <http://3DTOPO.com> Phone: 208.462.4171...
42773
kirkbecnel
May 10, 2013 11:57 am
I am building a foundry to melt small amounts, the crucibles will be of the smaller size, maybe from 3-4in diameter", 3-4" high . I am using kaowool for the...
42774
Sage McGirk
sagevma
May 10, 2013 12:11 pm
I'm in no way an expert, but the size of the crucible sounds pretty small, and about that of a spin/centrifugal casting crucible. A torch might be an easier...
42775
kirkbecnel
May 10, 2013 12:54 pm
I'd like to do some high temps, and want/need to contain the heat, I don't think a torch will work....
42776
Rupert
rwenig2
May 10, 2013 1:04 pm
Kirk Usually, what determines the clearance around the crucible is the room needed to get grasping tools between the crucible and the furnace wall. A number 1...
42777
Wonk
tiwonk
May 11, 2013 2:51 am
Here is a photo from my album this group that shows a slightly bigger furnace than a coffee can size. ...
42778
kirkbecnel
May 11, 2013 2:58 am
That is really nice. I don't recall if I have all the pieces for the 1/2 burner or not. I may have gotten them. I was going to build the furnace in the book...
42779
mikey98118
May 11, 2013 3:45 pm
The smallest MIG tip is called .023" because it is meant to run that size wire, but its orifice sizes actually run between .030" and .031"; this isn't an ideal...
42780
Wonk
tiwonk
May 11, 2013 6:48 pm
I just measured my 3/8" and indeed it is .024, guess that was in memory since I used cap tube for that build! Mig tips are made of a fairly soft copper and...
42781
Dan Brewer
danqualman
May 11, 2013 11:42 pm
If you have problems sourcing capillary tubing hypodermic needles for vet care come in all of the sizes you need for small burners. Use a larger mig tip if...
42782
mikey98118
May 12, 2013 7:24 am
Wonk, Between you and Dan, you have the picture; as Dan pointed out, MIG tips come in various orifice sizes; I list them in a chart of MIG tips found in my...
42783
Bharat
bondisback2652
May 12, 2013 1:52 pm
I think you need 6" space both side ways of Pot and 7" in front area at back side it's 10" and for stop heat loss for pot sera wool must be applied in all...
42784
kirkbecnel
May 12, 2013 3:12 pm
In my recent thread, for what I am doing, a smaller burner seems more than adequate. I see several mentions of designs for these, but I do not see any plans...
42785
mikey98118
May 12, 2013 5:01 pm
There are three main casting newsgroups that my burners have been featured on. More miniature burners have been discussed here than on the other groups in...
42786
Bharat
bondisback2652
May 13, 2013 1:26 pm
Why casting is break some times after few cycles in zinc die casting hot chamber machine ? Sent from my iPhone ... [Non-text portions of this message have been...
42787
Dan Brewer
danqualman
May 13, 2013 6:28 pm
You will need to provide more information. Pictures, and or a drawing Are needed. Sent from my iPhone ... [Non-text portions of this message have been removed]...
42788
evildrome_boozerama
evildrome_bo...
May 18, 2013 12:09 pm
Hi All, I recently bought a 1GPH Hago oil siphon nozzle to make a waste oil burner for my furnace. As I could not find good information on how to turn the...
42789
Les
g8fub
May 18, 2013 4:52 pm
Hi Wilson, Did you find a supplier for the syphon nozzle in the UK or did you have to get it from the US ? I have been thinking of using one of these after...
42790
evildrome_boozerama
evildrome_bo...
May 18, 2013 5:14 pm
Hi Les, I have melted with it already. It has reduced my melt time from 45 mins to under 25. And the fuel is free unlike propane which was costing me an arm &...
42791
Eggleston Lance
crashbone123
12:27 am
What are you melting? Have you melted cast iron? If yes, what mods have you made to the furnace re an aluminum melter? I am pondering make my cast iron melter:...
42792
Les
g8fub
8:10 am
Hi Lance, Have a look at this website http://www.artfulbodgermetalcasting.com/index.html It will give you some information about casting metals including cast...
