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Messages 94693 - 94722 of 95548   Oldest  |  < Older  |  Newer >  |  Newest
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94693
This list is for the discussion of CNC and related topics including CAD, CAM, EDM, & DRO. The list focuses on the construction of home shop CNC machines along...
CAD_CAM_EDM_DRO@yahoo...
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Feb 1, 2008
9:43 am
94694
Sounds like you have the expensive parts already, if you have time to put into it I would say go for it as the interface you would need to make up would give a...
stan
stan.distortion
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Feb 1, 2008
12:20 pm
94695
Hi all, I am starting to lay out a mini-mill retrofit and am thinking about using a fixed screw and a rotating ball nut. Anyone have plans ? ideas ? warnings ?...
turbulatordude
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Feb 1, 2008
1:23 pm
94696
Dave, Take a look at Hoss's mini-mill retrofit. I have plans from Ron Steele and they also show what you are looking for. Once I find a nice affordable...
Jack McKie
freshwatermo...
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Feb 1, 2008
2:39 pm
94697
McMaster seems to have about as good a price on ball screw as you are going to get new. they also have round and regtangular nuts. the round cost quite a bit...
turbulatordude
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Feb 1, 2008
4:23 pm
94698
Hello, I wonder if it is possible to built with hobby machines a lathe air spindle or a fluid spindle for a lathe. I am interested in this because of the very...
Cristi
wtherapy
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Feb 1, 2008
4:40 pm
94699
... See also: http://www.pic-design.com/ I think they might be significantly cheaper for the nuts at least. Their on-line catalog can be a little hard to...
a3sigma
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Feb 1, 2008
4:51 pm
94700
... Assuming you already have working servo amplifiers for these motors, you could use my Parallel Port Motion Control system (...
Jon Elson
jmelson2
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Feb 1, 2008
7:58 pm
94701
John, I don't think you can get a Rutex at this point. The analog drive is a good option, maybe expensive if not surplus. You will also need to find a Rutex...
vrsculptor
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Feb 1, 2008
8:37 pm
94702
Does EMC2 support step direction drivers (like G320's) in closed loop with encoder feedback? Roger...
vrsculptor
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Feb 1, 2008
8:47 pm
94703
Please excuse my ignorance but....... I just ordered a ball screw and nut from McMaster/Carr and it appears that they are shipping it in two seperate...
Jack Mc Kie
freshwatermo...
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Feb 1, 2008
9:05 pm
94704
hi- it's easy. the ballnut comes with a tube through it. you just screw the ballscrew into the nut while holding the tube. there should be instructions there....
fignoggle
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Feb 1, 2008
9:11 pm
94705
Its easy. Put the cardboard tube against the end of the ballscrew. Scotch tape them together (3m magic tape etc). THEN roll the nut on it. Cant miss, canīt...
hannu
hvenermo
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Feb 1, 2008
9:27 pm
94706
There will probably be a sleeve in the ball nut part that you will need to keep in place as you thread the ball nut onto the screw portion. At least that is...
cnc002@...
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Feb 1, 2008
9:49 pm
94707
This subject was discussed at length on the "Quorn universal cutter and grinder" group. Nobody got it to work! Matthew Cristi <wtherapy@...> wrote:...
Matthew Tinker
mattinker
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Feb 1, 2008
9:49 pm
94708
Dave, They were out of the one I wanted. Will have to look again shortly to see if they are in stock. Ron's design calls for a fairly coarse screw that will...
Jack McKie
freshwatermo...
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Feb 1, 2008
9:49 pm
94709
Awe, that sounds too easy! No counter clockwise electronic spanners required? You guys could have had some fun with that question. Thanks David! Now...
Jack McKie
freshwatermo...
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Feb 1, 2008
9:49 pm
94710
Hannu, Good idea, Will try that from the get go. J hannu <hvenermo@...> wrote: Its easy. Put the cardboard tube against the end of the ballscrew. Scotch...
Jack McKie
freshwatermo...
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Feb 1, 2008
9:49 pm
94711
Yes, it supports closed loop feedback in all sorts of fomrs. ... [Non-text portions of this message have been removed]...
Michael Fagan
woodworker_88
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Feb 2, 2008
12:08 am
94712
4000~5000 RPM on a lathe is pretty darned fast!! ... [Non-text portions of this message have been removed]...
Doug M
mccolld1
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Feb 2, 2008
12:30 am
94713
... There was an article in home shop machinist several years ago. Some fairly crude procedures were used, and the author said it works. I think a good home...
Jon Elson
jmelson2
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Feb 2, 2008
3:47 am
94714
... Yes, you can use the Pico Systems Universal Steper Controller and the Gecko Servo Interface with the Gecko drives. The Gecko interface powers the...
Jon Elson
jmelson2
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Feb 2, 2008
3:54 am
94715
... This would be fine to do with a collet directly in the spindle, but would be a very bad idea with the typical manual machine 6" lathe chuck! As in...
Jon Elson
jmelson2
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Feb 2, 2008
3:56 am
94716
... But, you probably need some form of hardware as an encoder counter, or else a lot of parallel ports. Jon...
Jon Elson
jmelson2
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Feb 2, 2008
3:58 am
94717
Hi Jon, my lathe is converted to CNC and I will attach linear encoders with 1 micron steps. I presume this is fairly precise ( although I know at 1 micron...
Cristi
wtherapy
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Feb 2, 2008
7:01 am
94718
... What's the problem with ordinary bearings? Abec9 or Class A bearing usually have a run out of less than 3 microns, it's about the best your going to get...
Steve Blackmore
stevepilotltd
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Feb 2, 2008
9:11 am
94719
It was more for fun than for necesity. BTW, I found this http://home.insightbb.com/~joevicar3/Air_Spindle_Plans.htm - has anyone tried/ built this? My lathe...
Cristian Stefan
wtherapy
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Feb 2, 2008
11:37 am
94720
... I didn't study the comaparative numbers for the oil film. The problem is a big oil film bearing self heats about 10,000 times greater than an air bearing!...
Jon Elson
jmelson2
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Feb 2, 2008
7:38 pm
94721
... My only comment is his 3 CFM spec. I have an electric air bearing spindle that also uses the compressed air for motor cooling, and it uses just a tiny bit...
Jon Elson
jmelson2
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Feb 2, 2008
7:42 pm
94722
Hello i have just got an intelli cad6 program and i would like to learn how to use it..is it possible to self teach with this program...or can anyone advise me...
rixonjohn
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Feb 3, 2008
3:04 am
Messages 94693 - 94722 of 95548   Oldest  |  < Older  |  Newer >  |  Newest
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