Hey wait, You live in Spokane, John's foundry is in Couer'dAlene maybe we could investigate what it would cost to use those patterns to get the castings made...
194
JBraun7747@...
Jul 1, 2000 2:12 pm
I'm thinking.......John? Jerry...
195
John A. Hern Jr
hern@...
Jul 1, 2000 2:46 pm
... Thanks for thinking of me. Actually I have plenty to do, I was thinking of other folks who might not be able to pour iron but needed iron castings. I...
196
John A. Hern Jr
hern@...
Jul 1, 2000 2:48 pm
... Basicly, you'll need an arc or induction furnace for steel. The cupola adds too much carbon, and I doubt you could get a crucible hot enough. Also, you'll...
197
John A. Hern Jr
hern@...
Jul 1, 2000 2:59 pm
... Yah, Gee, that might work... :-) John John A. Hern Jr. 1900 Millview Coeur d'Alene, Idaho 83814 mailto:hern@... Dipl.Ing....
198
Al Schoepp
a_schoep@...
Jul 1, 2000 9:30 pm
Hi, The rammer pictured on my page was my first casting. I've helped some of my friends a little and if you go to their sites (on my links page)there are...
199
Jim Kreter
cjdesigns1@...
Jul 2, 2000 4:13 am
John A. Hern Jr wrote: Basicly, you'll need an arc or induction furnace for steel. The cupola ... Sounds way out of my league. Thanks! Jim...
200
John A. Hern Jr
hern@...
Jul 2, 2000 4:23 am
Jim: If you have patterns, I can get you steel castings. Average castings go for about $2 a pound. Figure 4- 6 week delivery. To get a rough estimate, weigh...
201
brian whatcott
inet@...
Jul 2, 2000 11:37 am
This is about as useful and helpful an offer from a steelfounder as I am likely to see on this or any other casting list. It goes without saying I am placing...
202
John A. Hern Jr
hern@...
Jul 2, 2000 3:59 pm
... The Germans accord engineers the same respect we do doctors - and their equipment shows it, eh? An engineer is addressed as Ing. Schmidt, rather than Herr...
203
Larry Ruebush
lrt@...
Jul 2, 2000 9:52 pm
This is a site I ran across on the rcm newsgroup yesterday. Might be of interest to someone. http://www.john-wasser.com/NEMES/MAKeICR.HTM Larry Ruebush ...
204
Larry Ruebush
lrt@...
Jul 2, 2000 9:56 pm
I don't know if anyone else has had this problem,but I had to resubscribe to the group before egroup would recieve mail from me. Is this because I was included...
205
Howard
owly@...
Jul 3, 2000 4:49 am
John: Can you do chrome moly? H.W. ... From: John A. Hern Jr <hern@...> To: hobbicast@egroups.com <hobbicast@egroups.com> Date: Saturday, July 01, 2000...
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John A. Hern Jr
hern@...
Jul 3, 2000 5:02 am
Probably. I'd have to check with the foundry and find when it was on their schedual. You have to recall I'm semi-retired and not up to speed on the day - to...
207
24.0.3.70
guyiii@...
Jul 3, 2000 8:57 pm
So if someone made a pattern, could you cast it, John? -Guy- ... From: John A. Hern Jr <hern@...> To: hobbicast@egroups.com <hobbicast@egroups.com> ...
208
DTollenaar@...
Jul 4, 2000 12:19 am
I have had no problem sending or rev. E-mail via the E-group. Dirk Tollenaar...
209
John A. Hern Jr
hern@...
Jul 4, 2000 1:44 am
Sure, assuming it is a usable pattern. :-) Seriously, patternmaking is easy if you understand what you are doing. Get a book on the subject, there are lots...
210
Ejay Hire
ejayhire@...
Jul 4, 2000 2:22 pm
I was just looking at the design for the Gingery mill, and It looks like it could be changed into a Surface grinder without Major Modifications. ' Just have...
211
John A. Hern Jr
hern@...
Jul 4, 2000 4:18 pm
From the comments I see now and then, I think some of you may be afraid of machining cast iron. Really, it is a very nice metal to machine, it is not gummy,...
212
Jack Butz
gizmoid_52@...
Jul 4, 2000 4:42 pm
... Jack Butz in reply: What I would do is make a nut that is easily taken loose from the leadscrew of the mill table, simular to a cross feed from a lathe....
213
DTollenaar@...
Jul 4, 2000 4:48 pm
John, Speeking of shrink, approx. how much for Aluminum? Dirk T....
214
Jack Butz
gizmoid_52@...
Jul 4, 2000 4:49 pm
... Jack Butz replies to John Hern: I totally agree with you John, Machining grey cast iron is fun. Yes its dirty, but so useful, I always have some around in...
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John A. Hern Jr
hern@...
Jul 4, 2000 4:52 pm
... Damned if I know, I rarely cast the stuff. I think it's 5/16, though. Better look it up... ... John John A. Hern Jr. 1900 Millview Coeur d'Alene,...
216
DTollenaar@...
Jul 4, 2000 5:03 pm
Cutting Cast Iron, cont. Dont forget to protect the way's, and other precision surfaces of the machine you are using to cut Cast Iron on, as the chipe and dust...
217
DTollenaar@...
Jul 4, 2000 5:09 pm
Surface Grinder Mod. I think that the way's could be fitted with the slide and ball bearings of the IKO type ball slides. They can be purchased in single and...
218
HLahantubbe
aardvark@...
Jul 4, 2000 6:37 pm
And one more..... I have found that the first cuts (rough surface) go better for me if I use a high speed steel bit, then switch to a carbide for intermediate...
219
Ejay Hire
ejayhire@...
Jul 5, 2000 2:51 am
I think I know what you are talking about. In rec.crafts.metalworking, they are talking about making a unimat-clone lathe with special high precision ...
220
Howard
owly@...
Jul 5, 2000 12:46 pm
It's a mystery to me....... a computer does all this...... H.W. ... From: Larry Ruebush <lrt@...> To: hobbicast@egroups.com <hobbicast@egroups.com> ...
221
Foundryman
foundryman@...
Jul 5, 2000 2:01 pm
First, here's what the books say regarding shrinkage: Aluminum small castings 5/32" per foot and 1/8" per foot for large castings. The reason for the...
222
Michael Boettcher
meboettc@...
Jul 5, 2000 2:08 pm
What temp do you cast the steel at? I'm building the Gingery propane crucible furnace. Since I'm using 3000 deg castable refractory, I was hoping to be able...
