Hi all, I had an idea but I don't know how feasable it is. My RTV moulds break easily where the shape is intricate - actually the inlet or the exhaust of a...
15200
Laurent Herjean
lherjean
Dec 1, 2002 9:37 pm
... limited run of bubble free castings of figurines I had sculpted. I received a lot of information here and was more than tempted to try pressure casting to...
15201
Jim Rogers
jrstudioboss
Dec 1, 2002 10:04 pm
Vacuuming works fine, but becomes a problem if you are using a material that has a short working time, and I don't know about air entrapment spots in the...
15202
Wolfgang Gebranzig
wogelin
Dec 1, 2002 10:26 pm
Hi Wolfgang, Do you mean that vacuum will de-air the resin? My understanding (although I never tried) was that instead of vacuum, pressure was needed. But...
15203
Jim Rogers
jrstudioboss
Dec 1, 2002 10:37 pm
We've got to start making platinum molds for spin casting, and I have avoided that stuff like a plague! I know it is a much superior material than the...
15204
mbmprojects
Dec 1, 2002 11:55 pm
this is a really general question for anyone who has some extra time in the next couple of days to help a girl out. i am looking to make some large-ish cast...
15205
Adam Souza
iamxanathos247
Dec 2, 2002 12:08 am
Howdy All. I know there are alternatives to casting with lead, What I am looking for is SPECIFIC alternatives, and where to find them. The usual responce is to...
15206
Ronnie Hansen
harleyd497
Dec 2, 2002 12:17 am
... Micro-Mark makes a couple of low melting point alloys. They offer a tin/bismuth alloy and a pewter one. I know nothing else about the metals, never tried ...
15207
Jerry Kimberlin
jkimberln
Dec 2, 2002 2:18 am
... What about using plumber's solder? The kind they put copper pipes together with in new houses. This stuff is lead free, melts a little above where the...
15208
Yuji Kuwabara
yujikuwabara
Dec 2, 2002 2:19 am
Hello, As an amateur hobbiest, I cannot avoid resin parts warp. It continues to bow over time (2 to 3 years and more). But I think if I know final shape before...
15209
Doug McClure
dmclure@...
Dec 2, 2002 2:33 am
... From: Laurent Herjean <lherjean@...> To: casting@yahoogroups.com <casting@yahoogroups.com> Date: Sunday, December 01, 2002 2:37 PM Subject: [casting]...
15210
Ichthyosapien
ichthyosapie...
Dec 2, 2002 2:54 am
A possible solution: You might consider using a press mold (RTV) The molds are about the same as a regular two part mold. You coat the indise (detailed part)...
15211
Mike
alumicaster
Dec 2, 2002 2:58 am
From: "Yuji Kuwabara" <HHG01200@...> ... I'm still a bit new at this, but I've been told that some resins tend to deform over time from because of the...
15212
Mike
alumicaster
Dec 2, 2002 3:01 am
From: "Laurent Herjean" <lherjean@...> ... You might want to try an RTV like Dow-Corning's HS II or III. HS II is a bit firmer than the HS III. I've used...
15213
Ichthyosapien
ichthyosapie...
Dec 2, 2002 3:07 am
Yes: Just place new resin parts in the refigerator, also parts that go to gether, can be held in place with rubber bands( or glued with super glue. (later a...
15214
mwhirailer
Dec 2, 2002 4:03 am
... I'm in agreement with Mike on this too. There are some 'hobby' resins out there with additives such as plasticizers that while making the resin cheaper to...
15215
mwhirailer
Dec 2, 2002 4:22 am
Hi Jim, I have been using Dow-Corning M2 for about two months and S2 for a couple of weeks with little problem once I figured that the platinums don't like...
15216
Sam Ndou
ndousm
Dec 2, 2002 5:15 am
Hi To strengthen RTv Mould ,you have to apply fibre glass outside. Regards Samson Ndou ndousm@... ... Hi all, I had an idea but I don't know how...
15217
Mike
alumicaster
Dec 2, 2002 5:35 am
From: "mwhirailer" <mwhirailer@...> ... life ... When I first got into the hobby I was told about a fellow who made model railroading shells (bodies)...
15218
Bob Hayes
deuce492002
Dec 2, 2002 6:04 am
I use aluminum tubing in my molds to create the kingpin space for a front axle on cars. Also use fiberglass cloth on a body mold that allows thinner slush...
15219
Jorge Valenzuela
jevs.geo
Dec 2, 2002 12:24 pm
Hello: You can use neylo metal alloys, here in the list the owner of neylo can help you. I purchase some bars, but I am not test it jet. Jorge V.S.'021202 ... ...
15220
Mike Brose
puppetsnprops
Dec 2, 2002 3:44 pm
On Sun, 01 Dec 2002 14:46:02 -0800 Jim Rogers <jrstudio@...> ... Jim..... my mfr. lists the following..... amines, soap, sulfur, tin compounds,...
15221
Jim Rogers
jrstudioboss
Dec 2, 2002 5:33 pm
Thanks for the suggestions Terry and Mike, I'm going to try out some of BJB's TC-5045 which according to their web page "has proven to be less inhibited in its...
15222
Ron Mayer
neymetals
Dec 2, 2002 6:36 pm
We can make suggestions, but the critical issue is what you mean by "breaking the bank". Lead is toxic but cheap. Some lead alloys cast at lower temperatures...
15223
Ichthyosapien
ichthyosapie...
Dec 3, 2002 5:22 am
Mike is spot on! When in doubt- test! I also keep a notebook and refer to it for many needed details and material facts/usage/problems. Lee BTW I will be...
15224
Ichthyosapien
ichthyosapie...
Dec 3, 2002 5:48 am
I am not entirely sure that Lead is all that toxic in it's liquid and solid metal form. I know many hand-loaders who have been casting their own lead bullets...
15225
Ed Hunt
panamnut
Dec 3, 2002 11:41 am
Well, I'm not going to spend a lot of time on this, but a moment or so permits a little cut-n-paste from the OSHA site. It's not nearly as scholarly as much...
15226
ogun_basgoz
Dec 3, 2002 3:09 pm
Hi there, My name is Ogun Basgoz and I study about Metallurgy and Materials Engineering of Dokuz Eylul University in Ýzmir/Turkey.I'm studying 3. class this...
15227
Jerry Kimberlin
jkimberln
Dec 3, 2002 3:28 pm
... More crucial to the subject deals with the transport mechanism from the outside to the inside of one's body. Just saying that lead is bad does nothing as...
15228
Jim Rogers
jrstudioboss
Dec 3, 2002 3:41 pm
I'll be praying for you on that one brother! jr ... [Non-text portions of this message have been removed]...
