Don't worry about abstracting the article, I just clipped the needed part and it worked fine. Thanks Pat...
15017
Jack Coats
jcoats
Oct 7, 2011 12:47 am
Looking into some of the documents about Yoeman's lathe, they mention 'type metal'. There are some notes that it is no longer available. But metal for ...
15018
Pierre Coueffin
darkblood_
Oct 7, 2011 12:54 am
The low-melting point is not the main reason that such metals were used as a bearing surface though. A lot of non lead bearing low melting point alloys will...
15019
Jack Coats
jcoats
Oct 7, 2011 1:56 am
I am guessing one of the reasons Yoeman's used a low melting point medium (type set metal) was because it was easy to use, and they really weren't making a...
15020
Shannon DeWolfe
s.dewolfe
Oct 7, 2011 2:49 am
OK. Is there anything else you need? Regards, Mr. Shannon DeWolfe --I've taken to using Mr. because my name misleads folks on the WWW. I am a 55 year old fat...
15021
Pat
rigmatch
Oct 7, 2011 3:01 am
A special type-metal was used because at a certain temp. when poured it did not shrink or expand....
15022
Pat
rigmatch
Oct 7, 2011 3:07 am
No, thanks anyway. I submitted a 60 slide "how to" to MAKE on an impulse. Way bigger than their usual article but They have a special spot in my heart since...
15023
David G. LeVine
sirdave144
Oct 7, 2011 3:44 am
... The other problem is that the metal should not shrink or, at worst, expand only slightly during casting. If it shrinks, the ways will be loose. Dave 8{) ...
15024
Shannon DeWolfe
s.dewolfe
Oct 7, 2011 4:02 am
A few months ago I mentioned to Pat that type metal is still available. He pointed out that the type metal used by Yeomans was an unknown receipt that he...
15025
louis richardson
louisrfnauto
Oct 7, 2011 4:02 am
lintotype lead is still avalible, its used by reloaders for hard bullets,lookfor reloading supliers. ... From: David G. LeVine <dlevine@...> Subject:...
15026
louis richardson
louisrfnauto
Oct 7, 2011 4:02 am
lintotype lead is still avalible, its used by reloaders for hard bullets,lookfor reloading supliers. ... From: David G. LeVine <dlevine@...> Subject:...
15027
louis richardson
louisrfnauto
Oct 7, 2011 4:02 am
lintotype lead is still avalible, its used by reloaders for hard bullets,lookfor reloading supliers. ... From: David G. LeVine <dlevine@...> Subject:...
15028
louis richardson
louisrfnauto
Oct 7, 2011 4:03 am
lintotype lead is still avalible, its used by reloaders for hard bullets,look for reloading supliers. ... From: David G. LeVine <dlevine@...> ...
15029
Pat
rigmatch
Oct 7, 2011 4:54 pm
Please go back to the original Machinery articles and read about the type metal. He used a secret type-metal alloy that had to be poured within a 20 degree...
15030
Pat
rigmatch
Oct 7, 2011 6:59 pm
In the "01 comcrete milling machine" photo folder. An extension of one of my old ideas. It replaces the normally complex milling spindle with a fixed one and a...
15031
keith gutshall
drpshops
Oct 7, 2011 9:17 pm
Hi Pat  You might want to look in drpshops 1 photos, there is a concept model.  It is a wooden model .  This might be a idea for a large milling machine. ...
15032
Pat
rigmatch
Oct 7, 2011 9:22 pm
A shop is not complete without a mill but milling heads are beyond the ability of less than expert machinists. There is an example of this at: ...
15033
Pat
rigmatch
Oct 8, 2011 3:20 am
I don't know anything about it scientifically but could it be that my milling machine would work harden and not wear excessively? Pat...
15034
Pat
rigmatch
Oct 8, 2011 3:41 am
Looked it up on wikipedia and I think the rollers will work harden instead of wearing to excess. After all a pipe rolling at right angles to a stationary pipe...
15035
Shannon DeWolfe
s.dewolfe
Oct 8, 2011 10:47 am
Pat, The weight distribution of the carriage depends on the center of gravity of the carriage and work combined. I know of no way to ensure that all four...
15036
keith gutshall
drpshops
Oct 8, 2011 1:22 pm
Hi Pat  What happens when the vertical slide get down in the ways?  Will there be room for it to move side to side?   With the vertical part it is hard...
15037
Pat Delany
rigmatch
Oct 8, 2011 1:41 pm
Thanks Shannon I woke up in the middle of the night thinking of the same stuff! Way wipers and a roller cover are going to be all important. I had the kinda...
15038
Pat Delany
rigmatch
Oct 8, 2011 2:00 pm
Hi Keith The spindle and cross slide are quite a bit higher than the ways. I am not going to worry ease of setup. I think that this would be a minor (but...
15039
David G. LeVine
sirdave144
Oct 8, 2011 3:42 pm
Pat, Why have a vertical mill at all? Let's start with rollers. Have you noticed that no big mills have the knee on rollers? Wonder why? The problem with...
15040
David G. LeVine
sirdave144
Oct 8, 2011 3:43 pm
Pat, Why have a vertical mill at all? Let's start with rollers. Have you noticed that no big mills have the knee on rollers? Wonder why? The problem with...
15041
Pat
rigmatch
Oct 8, 2011 3:59 pm
Yeomans used straight, stock sized bushings to speed construction but that does not mean WE have to stop there.There are plenty of plans around that show...
15042
Pat Delany
rigmatch
Oct 8, 2011 4:46 pm
I totally agree about horizontal mills. The lathe and the horizontal mill were centerpieces of the Industrial Revolution. BUT, the cutters are so expensive or...
15043
Thomas S. Knutsen
la3pna
Oct 8, 2011 5:00 pm
Horisontal cutters are mostly the same as the vertical used one. An fly cutter and some end mills should be fairly easy to get, or make. There are for amateur...
15044
keith gutshall
drpshops
Oct 8, 2011 5:21 pm
Hi David  In the drawing ,Pat shows the table in a vertical postion.  Setting up a machine with a vertical table would be a PITA  to set up work on.  ...
15045
Pat Delany
rigmatch
Oct 8, 2011 8:18 pm
Ithink that back in the "old" days, end milling was called often called pocket milling because that was what it was used for. I think I need to include ways to...
