hi guys (mainly in england) i have a contact that can supply me lost wax in bulk at £2 per kg but i would have to buy it in bulk i am in need of some for...
40603
crevicer@...
crevicer
Sep 11, 2010 3:38 am
ebay Item number: 270630753224 Muller not ore grinder...
40604
Dave
drescher3
Sep 27, 2010 12:40 pm
Hello to each of you. I sent out an e-zine about one of my latest projects....an investment casting in bronze. Here is the link for it: ...
40605
Carlos Contreras
maximo64
Sep 27, 2010 1:28 pm
Hi Dave, Â very nice Job. Â Other technique to reduce the wight of the casting is when you pour the wax in the mould, wait for few minutes then turn down the...
40606
Ron Thompson
ronthomp2002
Sep 27, 2010 2:15 pm
You can do something similar called slush casting. It is an art technique where you pour the molten metal back out just after the pour. ... -- Ron Thompson On...
40607
vintagepowerplus
vintagepower...
Sep 27, 2010 5:21 pm
hi dave nice job i am after some help and reading your link i think you are just the man i am in england and am having difficulty getting help over here i...
40608
Dave
drescher3
Sep 28, 2010 1:46 am
I bought a commercial investment for one of my castings. It worked fine, but for what I have done recently, I have used regular Plaster of Paris mixed normal...
40609
abascirocco
Sep 28, 2010 11:16 am
Back when I first started to get serious about casting, I experimented with some of the same products and methods that Dave used for his shifter knob. I also...
40610
Dennis
dennisintexas41
Sep 28, 2010 12:32 pm
Above 350 - 400 degrees, plaster starts to loss its strength. For a discussion on heating plaster for metal molding see ...
40611
abascirocco
Sep 28, 2010 8:09 pm
Interesting link! Thank you. Based on what's there, indirect heat in a gas BBQ is actually a pretty good drying oven for a plaster mold as it's got appropriate...
40612
Dave
drescher3
Sep 29, 2010 3:15 am
Yes, Interesting link. They say to keep the temperature under 1000 F. But to check if the mold it completely dry, put a thermometer in the middle of it and...
40613
ferroman1000
Oct 6, 2010 12:53 am
Hi, I am new to the group. My interest in casting is because I make model stationary steam engines. There is one problem that I have is constant porosity in...
40614
David Patterson
odd_kins
Oct 6, 2010 1:44 am
do you have pictures? Dave Patterson odd_kins@... http://home.comcast.net/~oddkins/foundry_home.html ... From: ferroman1000 <ferroman1000@...> ...
40615
Scrolling8
mag51ic
Oct 6, 2010 1:54 am
I have experienced that when doing brass pours in the fall when the air is quite dry the amount of porosity is reduced. So my recomendation would be to work...
40616
Rupert
rwenig2
Oct 6, 2010 3:05 am
Hello Ernie, Besides what has already been said, there is a possibility that the pipe is cool enough to cause droplets to freeze on the pipe sides that trap...
40617
Rupert
rwenig2
Oct 6, 2010 3:13 am
Hello Ernie, I added a line to my message to correct myself. ... I've only tried ... -- yvt Rupert Wenig Camrose, Alberta, Canada. email: rwenig2@... ...
40618
Rupert
rwenig2
Oct 6, 2010 3:29 am
Hello All, Just an update. My CC furnace came to life again today after receiving a coating of ITC100. Ran it at low heat to make sure the coating was dried...
40619
Gary R
gizmo46953
Oct 6, 2010 12:11 pm
I'm sure somebody must have mentioned degassing the melt, but I must have missed it. GaryR...
40620
Kerri Duncan
silverforges...
Oct 6, 2010 4:19 pm
Gary and guys- I am going to attempt to cast a few ingots and things out of brass in the next month or so- I am reading the archives and this thread with some...
40621
Lyle
creepinogie
Oct 6, 2010 7:33 pm
For some types of brass, you don't need a cover flux so make sure you know what type of brass your pouring. I don't use a cover flux for any brass. I do...
40622
Lyle
creepinogie
Oct 6, 2010 8:17 pm
I've had the same problem pouring aluminum into steel molds if they weren't hot enough. I used to pour my own plain matchplates between two steel plates. That...
40623
Nick Andrews
nicothefabulous
Oct 6, 2010 9:55 pm
So what is the best way to ID types of brass you intend to melt? I have several sources I am collecting, such as plumbing fittings and valves, a brass lamp,...
40624
Ron Thompson
ronthomp2002
Oct 6, 2010 10:08 pm
I used to work in a scrap yard. They sorted as red brass, yellow brass, copper. If a magnet stuck, it went in the #2 iron pile because it was plated steel....
40625
Nick Andrews
nicothefabulous
Oct 6, 2010 10:16 pm
I'll check it, but I hope not. It weighs about 10lbs or so! ... -- Nick A "You know what I wish? I wish that all the scum of the world had but a single...
40626
Lyle
creepinogie
Oct 6, 2010 10:42 pm
That's the same way they sort it here but the problem is yellow brass can be "high strength yellow brass" (mag bronze) or leaded yellow brass, or even silicon...
40627
Dan Brewer
danqualman
Oct 7, 2010 12:18 am
If you can follow established rules for gating your pour you should not entrain ir into you casting. Try to use sand for the mold. Use rectangular gating , a...
40628
Carlos Contreras
maximo64
Oct 7, 2010 3:51 am
Hi Ernie,  Let me tell you that the therm "porosity defect",in foundry´s are very polemic...  and it is becouse the couse for porosity in a foundry...
40629
Dick Morris
rmorris200
Oct 7, 2010 7:03 am
... Very interesting. I learned several things in a quick perusal. The description of lost foam was very informative. Thanks! Dick Morris Anchorage, Alaska...
40630
Nick Andrews
nicothefabulous
Oct 7, 2010 5:40 pm
I guess he doesn't have the third section on iron casting there, but a ton of other interesting books for sure! ... -- Nick A "You know what I wish? I wish...
40631
michael.a.porter@...
mikey98118
Oct 7, 2010 8:13 pm
Rupert, I hope you'll write up the tool making process and take photos too. This should be just what people building CC furnaces need to learn next. I have...
