Thanks Jeff! This is almost unreal! I do need help with something else. Advancing the cutting tool on an external cut or threading operation is easy if a screw...
2692
Pat Delany
rigmatch
Nov 1, 2006 1:57 pm
It could be just a part of a bolt instead of allthread. Also I think the problem of a long piece of allthread whipping around was addressed in an earlier post...
2693
drpshops
Nov 1, 2006 2:00 pm
... of ... up. ... work ... I was wondering, are bicycle chains are the answer ,most bicycle chains and sprockets aren't designed for high speed or high torque...
2694
keith gutshall
drpshops
Nov 1, 2006 2:03 pm
Hello Jeff Jeff something does not look right with your math? If you halfed 20 you get 10,if you 2x 20 you get 40. Did I miss something in the chapter about...
2695
Pat Delany
rigmatch
Nov 1, 2006 2:19 pm
... I had always assumed that the chain would be easy to remove between threading operations. Pat...
2696
Jeff
jhan5en
Nov 1, 2006 4:26 pm
Keith The chart looked good when I published it, was almost readable when Yahoo posted it, has become useless after a few reposts but you get the idea. I...
2697
Pat Delany
rigmatch
Nov 1, 2006 6:36 pm
Can we get some comments about the thread follower carriage design (see jeff's sketches 2)? It is not logical that an idea from a crazy old man can't be...
2698
Jeff
jhan5en
Nov 1, 2006 10:05 pm
I found this lathe on the hackaday web site http://www.flog.0br.net/franzalbert/2e25776a77bf9f82c4dbe40dd5a1211b.ht ml Jeff...
2699
brian markuson
scienceguy94
Nov 1, 2006 10:52 pm
there no way this thing would work. that bed is nothing but steel pipe. this is going to flex more than a pretzel. Jeff <jhan5en@...> wrote:...
2700
Pat Delany
rigmatch
Nov 1, 2006 11:02 pm
I feel this sense of brotherhood with the guy. If anyone here can speak Portuguese I hope you will tell him about the MM. Pat...
2701
Jim RabidWolf
rahantubbe
Nov 1, 2006 11:11 pm
Well, it would work, but you're right, it's not rigid. For light work, not bad - any heavy cuts are going to cause the tool to bounce like a basketball. I have...
2702
Alexandre GuimarĂ£es
alexandregui...
Nov 1, 2006 11:50 pm
Hi, Pat I am from Brazil.... And there is a group of people down here working on routers and plotters that I am part of and Franz also... Do you want me to...
2703
Jim RabidWolf
rahantubbe
Nov 2, 2006 12:21 am
Alexandre, you can tell him for me that I'm impressed with his ingenuity - I think he's got a well thought out and beautiful machine there. Jim RabidWolf Uncle...
2704
brian markuson
scienceguy94
Nov 2, 2006 12:53 am
Is it possible to "cast" a lathe from nothing but concrete and rebar? use plywood forms, and maybe babbit metal spindle. ... Access over 1 million songs -...
2705
brian markuson
scienceguy94
Nov 2, 2006 12:53 am
I agree. Its ingenious and highly resourcefull. I wish somebody would tell him about the romig beds. Jim RabidWolf <unclerabid@...> wrote: Well, it...
2706
Pat Delany
rigmatch
Nov 2, 2006 1:00 am
Many Thanks Tell him about the MM and about the "How to Build" book in "files". I would really like to contact organizations in Brazil that would help get the...
2707
roscoe_brown_dog
roscoe_brown...
Nov 2, 2006 1:14 am
I apologise for not repyling sooner I am a truck driver and on the road at least 4 days a week. to see bearings at napa google napa auto parts click on napa...
2708
roscoe_brown_dog
roscoe_brown...
Nov 2, 2006 1:15 am
I apologise for not repyling sooner I am a truck driver and on the road at least 4 days a week. to see bearings at napa google napa auto parts click on napa...
2709
Jim Dunmyer
jdunmyer
Nov 2, 2006 1:20 am
I suppose anything is possible. Have you looked at the Gingery books? He builds a complete machine shop from scrap. The books are available from...
2710
Jeff
jhan5en
Nov 2, 2006 1:26 am
I think that the ways are made from Mcpherson strut rods. He has three of them so they are mostly in tension and compresion It might be more solid than you...
2711
Pat Delany
rigmatch
Nov 2, 2006 2:14 am
Jim, Look at the thread follower pics in Jeff's sketches 2 in "photos" for me. If you have't seen the Scientific American article in "files" look at it also....
2712
Jeff
jhan5en
Nov 2, 2006 4:09 am
You can click on the whole album to see several more pictures. "Fotos Recentes" I like the con rod belt tensioner and the cam lock on the tail stock but the 4...
2713
rick
rgbai42
Nov 2, 2006 6:37 am
... wrote: this guy made a concrete gingery lathe http://fenn.freeshell.org/gingery_machines/pages/119.html...
2714
Pat Delany
rigmatch
Nov 2, 2006 1:31 pm
A twin romig bed MM needs a big tailstock, maybe concrete is the answer? Pat...
2715
JimMarnoch@...
jimmarnoch
Nov 2, 2006 1:33 pm
I don't know if it's that bad, it's not a big machine, and there are three bars forming the bed, I feel it'd be ok, and it's certainly in the right spirit! ...
2716
Jeff
jhan5en
Nov 2, 2006 3:06 pm
Alexandre ask him how the power feed bearing works and what are the bushings on the cross slide from, how many hours did he put into the chuck and can he...
2717
Pat Delany
rigmatch
Nov 2, 2006 3:21 pm
We should accumulate as many cross slide designs as we can. After all Romig did not have all the neat suspension parts that we have. Pat ... the MM ?...
2718
John
jeatonat
Nov 2, 2006 3:40 pm
Alexandre, I think it looks great. I want to make one. Could you ask him what parts he used? John ... Alexandre, I think it looks great. I want to make one....
2719
David G. LeVine
sirdave144
Nov 2, 2006 5:59 pm
As a thought, centerdrill the allthread (yes, an MM will do that pretty well with a cheap center drill.) Centerdrill a hunk of angle iron on the flat. Put a...
