Pat observed ... I have read that this property can be used to de-air molds if you don't have a vacuum pump. You pour the mold, then put it in the...
762
Cdmodels@xxx.xxx
Oct 29, 1998 7:23 pm
Thank you for eliminating one unneeded head ache Greg...
763
L. Jeselon
ljeselon@xxxx.xxxx.xxx
Oct 29, 1998 7:21 pm
... I am working on 25 - 28mm WWII vehicles and 15 - 28mm WWII buildings and accessories. Larry Jeselon Great White Miniatures...
764
laocoon1@xxxxxxxxx.xxx
Oct 29, 1998 8:23 pm
One of the most common silicones in my industry is a tin-based silicone by Silicones, Inc called GI-1000. I was wondering if anybody on this list knew if it...
765
VRB
vrbass@xxxx.xxxx
Nov 1, 1998 1:36 pm
... There was a notice of a new book in the latest Garden Railways magazine: "Secrets of Expert Mold Making and Resin Casting" Karl K Juelch 100+ pp., 140...
766
VRB
vrbass@xxxx.xxxx
Nov 1, 1998 1:36 pm
... No personal experience, but "a friend of a friend" uses it, so I'll tell you what I know until something better comes along. My friend is a professional...
767
Dan Pikulski
danpik@xxxxx.xxxx
Oct 29, 1998 10:51 pm
... hearing ... Pat I have worked with it in a somewhat limited capacity. Most of the final prototyping we do at work uses stereolithography. Generaly what we...
768
Randy Gordon-Gilmore
gord-gil@xx.xxxxxx.xxxx
Oct 29, 1998 11:30 pm
... In my "day job" as a mechanical engineer we have quite a bit of rapid prototyping done, mostly for instrument enclosures but also for some functional...
769
Stan Smith
Stan.D.Smith@xxx.xxxx
Oct 30, 1998 12:09 am
Check out the "Rapid Prototyping Home Page" for lots of info on this subject. There are a few "desktop" models of CNC-type machines that can read CAD files and...
770
Stan Smith
Stan.D.Smith@xxx.xxxx
Oct 30, 1998 12:30 am
The machine I mentioned in my previous post is manufactured by Stratasys, and runs a cool $100 grand...not, I think, useful for many members of this list....
771
Randy Gordon-Gilmore
gord-gil@xx.xxxxxx.xxxx
Oct 30, 1998 1:53 am
... This should have read "before they *stopped letting* visitors through..." Best regards, Randy Randy Gordon-Gilmore ,----.___________ ______________...
772
Charlie Dunton
cdunton@xxxx.xxxx
Oct 30, 1998 2:06 am
... I've used two types of rapid prototyping machines at my place of work, SLA and Soldiers Cubital machine, both working under the same principal but...
773
Barry Vedros
barry@xxxxxx.xxxxxxxx...
Oct 30, 1998 6:04 am
Richard and Pat Thanks for the advice. I don't think I'm really equipped to do a nitrogen purge or anything, so I'll have to do my best. What about taping a...
774
Doug McClure
dmclure@xxx.xxxx
Oct 30, 1998 6:48 am
... Then to save $$ the best way I would suggest is to make a mold out of Bondo. IIRC it runs about $7-$8 down at Kmart and for what you are doing this is...
775
Barry Vedros
barry@xxxxxx.xxxxxxxx...
Oct 30, 1998 5:34 am
What an absolutely killer idea. I never thought of using Legos. I suppose you use the flat green base to build your box on? Now I wonder if my son could...
776
Cdmodels@xxx.xxx
Oct 30, 1998 1:05 pm
We at C&D Models Inc. cast models for Dodge and other major manufacturers under license of these companies...
777
Lane Shutt
lmshutt@xxxxxx.xxxx
Oct 30, 1998 6:04 pm
... I use a thin bead of buletac (sp?, adhesive putty) on the bottom of the lego box and stick it to my cutting mat or a sheet of plastic. -- Lane Shutt...
778
Coles, John C
john.c.coles@xxxx.xxxx
Oct 30, 1998 4:48 pm
Hi all, I posted this question to the rec.models.rockets and rec.models.scale newsgroups yesterday, and received a couple of pointer to this list. So I cruised...
779
Lane Shutt
lmshutt@xxxxxx.xxxx
Oct 30, 1998 6:30 pm
... I may be a bit late on this but it might help. I have never tried this but I remember seeing directions on doing design transfers this way. I remember it...
780
Lane Shutt
lmshutt@xxxxxx.xxxx
Oct 30, 1998 6:56 am
... I thought this link might be of some interest to people on the list, especially those with small businesses. ...
781
laocoon1@xxxxxxxxx.xxx
Oct 30, 1998 8:29 pm
... There is a canned aerosol product called 'Belch' which is good for preserving urethanes against moisture. I'm not sure if it is nitrogen, but it is some...
782
Randy Gordon-Gilmore
gord-gil@...
Oct 30, 1998 9:40 pm
... preserving A similar (if not identical) product is generally available from wine dealers (so you don't have to drink that nice Cabernet all in one...
783
laocoon1@xxxxxxxxx.xxx
Oct 31, 1998 4:41 am
I've used a urethane called 1630 (made by BJB Enterprises, I think) that seems to have negligible shrinkage. It is thick but pourable. I think Burman ...
784
boone@xxxxx.xxxxxxxxx...
boone@xxxxx.xxxxxxxxx...
Oct 30, 1998 11:53 pm
Etching: Gang: I have been experimenting with a neat product sold in electronic experimentors stores to make prototype PC boards. It is advertised for use ...
785
Bob Birdsey (Main Wes...
mainwest@xxx.xxx.xxx
Oct 31, 1998 1:05 pm
Greetings from Sydney, Australia. I'm stumbled on to the list some time ago, but haven't had the time to correspond until now. My congratulations to Pat for a...
786
Elohs@xxx.xxx
Oct 30, 1998 9:24 pm
In a message dated 98-10-30 16:09:04 EST, you write: << All this said, is there a low-viscosity resin which doesn't shrink while curing, yet has a quick enough...
787
charlie dunton
cdunton@xxxx.xxxx
Oct 30, 1998 1:33 pm
We have had success with almost zero shrinkage in castings by adding glass beads, and/or fine garnet to the resin. I'm not sure what the proportions are ...
788
Doug McClure
dmclure@xxx.xxxx
Oct 31, 1998 12:40 am
... Exactly. I used to use forms made out of scrap furring strips but I was limited to using those sizes unless I wanted to custom make a box. Using Legos,...
789
VRB
vrbass@...
Nov 3, 1998 1:22 pm
... Wow, do they call that one "Belch", too? Sounds like something the lowbrow beer drinkers would be using! (That would include me -- I'l allergic to the ...
790
VRB
vrbass@xxxx.xxxx
Nov 3, 1998 1:05 pm
Check out this fellow's site, if you're interesting in knowing more about building a vacuum former. The actual page with the info is ...
