anyone on the list have any experience casting 713 aluminum alloy. It's supposed to naturally age to a T-5 or T-6 condition in about 30 days. Also classified ...
2858
hfd220@...
Mar 1, 2001 9:27 pm
LL, It should age in 45 days to its hardest point. It will also skull up in your ladle. If you are lifting your crucible and pouring you should be fine. It is...
2859
LLandstrom
creepinogie@...
Mar 1, 2001 10:01 pm
Thanks Charles, I have been experiencing those porosity holes in some of my machined castings. the machinest tells me it's normal and not near as bad as he's...
2860
Hippy
hippy@...
Mar 2, 2001 5:40 am
Greetings casters.... Just another newbie here with more questions. Started playing with casting in the garage with an extremely small heat treating oven that...
2861
e.heritage@...
Mar 2, 2001 1:54 pm
Hello, Do you repair turbochargers there? You couldn't tell me very roughly how much the compressor for a car sized charger is could you? Just curious. John ...
2862
Hippy
hippy@...
Mar 2, 2001 2:42 pm
Yes I do... I would donate one if you were doing something interesting with it. Normally $70.00 - $200.00 depending on size and mfg. ... From:...
2863
John Grant
grantjoh@...
Mar 2, 2001 3:42 pm
... They might be useful to degas investment. Also for vacuum assist investment casting. John Grant...
2864
Steve Chastain
sdchastain@...
Mar 2, 2001 3:55 pm
I grew up working in a dental lab, what do you want to know? Steve...
2865
John Hepner
hepnerj@...
Mar 2, 2001 10:10 pm
What about an 1800 cc VW? ...JH...
2866
e.heritage@...
Mar 2, 2001 11:43 pm
I was thinking of using a premade compressor to put together a mini turbine at some point. An axial flow turbine not one of those turbocharger jobs. I was...
2867
hobbicast@yahoogroups...
Mar 3, 2001 12:48 am
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the hobbicast group. File : /casting...
2868
hobbicast@yahoogroups...
Mar 3, 2001 12:51 am
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the hobbicast group. File : /casting...
2869
dragonpit@...
Mar 3, 2001 1:12 am
I've got the cam on working on th Mini H-mill patterns http://dragonpitdesigns.com/lathecam.html My ISP has been slow this week DSL is three blocks away then...
2870
Hippy
hippy@...
Mar 3, 2001 2:35 am
A mini turbine engine ??? We have three of them, and we use complete turbochargers with various burn cans. Are you looking for thrust on this application ? ......
2871
Hippy
hippy@...
Mar 3, 2001 2:39 am
Preheating the plaster for casting. Is this proper procedure and if so to what temp for casting bronze ? Also how long after impressions are made before you...
2872
e.heritage@...
Mar 3, 2001 4:13 am
Thrust? Yes, but it would need to be a practical size so's I could sell it later, ruling out a full turbocharger style turbine. It'd have to use only the...
2873
Mario Apodaca, Jr.
Mario_Apodaca@...
Mar 3, 2001 4:19 am
please delete this e-mail address from your files. This is NOT the address for dimetek. Thank you. ... From: <hobbicast@yahoogroups.com> To:...
2874
Steve Chastain
sdchastain@...
Mar 3, 2001 4:55 am
You have to burn out the wax pattern. The mold must be calcined or completely dry. We left them in the burn out oven for several hours or overnight. We were...
2875
Hippy
hippy@...
Mar 3, 2001 5:45 am
Thanks for the info...Every bit is appreciated. I am starting out with single sided impressions. Basic pendants and buttons are on the agenda for the first...
2876
wanliker@...
Mar 3, 2001 6:21 am
When I took a casting course for jewelry, we were instructed to do the burnout of wax just before casting, and the crucible full of investment should have a...
2877
John Grant
grantjoh@...
Mar 3, 2001 6:33 am
... If you are burning out wax it was more like 1000 degrees. John Grant...
2878
boyerw@...
Mar 3, 2001 12:04 pm
I posted a file for all to share fir. it was a bull pouring shank i made. I see that it has been removed from the files section. Have I done something wrong as...
2879
Steve Chastain
sdchastain@...
Mar 3, 2001 3:04 pm
I know there were some that could add this. That was 25 years ago for me. I do remember we used a brass ring to do our casting...now that you mention it there...
2880
tlthorne@...
Mar 3, 2001 3:15 pm
Bill, i did not see anything about it being removed, but it is gone? Why? it would be more polite if someone took the time to upload a file to tell them it was...
2881
oldies1955@...
Mar 3, 2001 3:30 pm
Now thats funny!!At least they werent backwards. Ahhh memories....... Tom H. ... for me. I ... mention it ... investment ...it seems ... My Dad ... Some of my ...
2882
boyerw@...
Mar 3, 2001 3:36 pm
I found the files. Some how they got moved to the casting equip. folder. I was referencing msg# 2873 saying that the address should be removed Bill...
2883
hobbicast@yahoogroups...
Mar 3, 2001 3:39 pm
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the hobbicast group. File : /Cupola...
2884
Richard Spelling
richard@...
Mar 3, 2001 11:21 pm
Messed around till late last night trying to get a mold to not stick together. Had a couple of hundred pounds of clay type dirt I hauled up from the valley, be...
2885
LLandstrom
creepinogie@...
Mar 4, 2001 3:13 am
I use ispoproal alchohol on my wax patterns before pouring the investment to lessen the surface tension which helps create bubbles. didn't know about the soap....
