Hi, I'm a newby at this. I'm trying to cast aluminum with fine detail using lost wax. I'm using paraffin wax in Plaster of Paris. After burning out the wax...
... It sounds like it. ... Possibly... ... What are you mixing with it if anything? You should not use pure plaster of P - the plaster alone cannot tolerate...
Ya'd need to melt a norful lotta glass to get very little gold. Acid might be a better way, or cyanide. At best you'ld only get grams to the ton - cost of...
... I haven't tried it myself (still a pre-novice metal caster, actually), but my Machinery's Handbook says that the aluminum bronzes (e.g. C95200 - 88 Cu, 3 ...
Sebastien Bailard
penguin@...
Jan 2, 2007 4:21 am
37161
... If you're interested in the Lost Wax casting method, I highly recommend Tuck Langdon's book, "From Clay to Bronze" (available at Amazon.com.) Langdon...
... detail ... When ... Is ... the ... there ... the ... to ... Well Bruce, your aluminum pouring temp is on the high side. 1250-1350 F. should help with the...
Does anyone know where you can get some used pop off flasks from that would be reasonably priced? A few years back you could get them from equipment brokers...
They were always too expensive for me so I used mainly stel or aluminum flasks. I do have some wooden Adams pop off flasks but no jackets which I used...
... Todd, You probably thought of it already - but this is a fun, easy and very rewarding lost foam project... You can cast your lost foam flask free (just...
Out of interest, I've just been through the lost wax process to cast something large in ciment fondue rather than in metal. I made a one-piece plaster mold...
John: It probably would work very well......... however the moisture of course would need to be baked out of the investment. It's critical that the investment...
Hello, for some time I have poured and cast small aluminum C clamps. The past two weeks I have tried to make more of them and my pours keep failing, they do...
I pour in an unheated garage every weekend. Usually 6 to 10 molds and sometimes it's below zero (not this year yet though) Your pouring temp won't be affected...
I pour castings outside in Ohio and this time of year I can plan on an extra 100 to 200 degrees of heat in gaining successful pours because the sand is colder...
Thanks, I will try that. My propane tank did cool significantly and freeze to the ground yesterday. My crucible takes about 20 minutes to heat up enough and...
HW I would think that some form of sealed cabinet with a dehumidifier or vacuum pump would considerably help in removing most of the moisture from a plaster...
Hi Guys, It's time I put in my $0.02. Plaster based molds are too dense if your using only plaster. It has been suggested to add about 50% sand to plaster to...
I believe these are called snap flasks too...they have a hinge on the one corner and snaps on the other corner so that the flask can be removed and used to ram...
Drying only removes water not used in the chemical reaction that causes plaster to solidify. 'Dry' plaster actually contains quite a lot of water, which will...
I might have a line on some of these flasks. What size is needed? ... From: Dave To: hobbicast@yahoogroups.com Sent: Thursday, January 04, 2007 6:46 AM ...
The sizes I need are 12x12,10x16 and 10x18. Also, the snap flasks are hinged and they break apart when you release a latch whereas pop off flasks are spring...
When you can find them used, they usually go for big bucks and when you buy them new from Hines or Freemont, they really go for big bucks. You could build a...
I've been offline for several days and I'm just catching up with my email (1988 messages) so pardon the late reply to an off-topic thread. The speed of light...
I'm in the process of clearing out large and heavy items from my garage in preparation for moving in the next two years. I have some items that I could post...
Just consider...wherever I am is 'local' (to me). Does this then mean that I can never exceed lightspeed, but you can if you're far enough away?? From what???...
Hi, My name is ALLan and I am new to hobbicast, so please forgive me for not looking through the topics before posting, but the search server was busy. I have...
... I just (carefully) wedge bricks between the refractory and the crucible and this has not been a problem pouring with my #100 crucible. I am thinking of...
I hope they are NEW not some that are pretty well used up and unsafe. jesse On Jan 6, 2007, at 9:14 AM, acmechsvce wrote: Hi, My name is ALLan and I am new to...
Hi, I've been reading here for several weeks and had an idea about clean foam casting. I did a small part - about 1.5" x 1.5" - and used scotch tape to guard...
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