Re: [CAD_CAM_EDM_DRO] Doesnt ANYONE have this drawn up??? was: John's CNC plans???

The preload assembly will need to be tailored to suit. Mine will differ
from Kim's due to machine space constraints. It is simply a block with the
ballnut threaded into it, with provision to bolt the block to a similar
block on the other ballnut. Use fine thread for the preload tension bolts.
Studs with fiber lock nuts would be better for fine tuning and to prevent
loosening during use. Hope this helps. Mine isn't built yet but that's
pretty much how I will do it, which is similar to Kim's arrangement.
P.S. the whole preloaded nut arrangement on Kim's machine is about 5"
length. Mine for my mill will be pared down to 4", which looks like the
minimum I can possibly do. This is a big constraint, as many machines won't
allow for that much room, so some fanagling (is that spelled right?) may be
in order to make it all fit. Kim had to machine some webbing away on his
lathe cross slide to get the stuff in.
Good luck.


R. William Kichman, P.E.
Kichman Engineering Associates
103 Old Furnace Road
Cornwall, PA 17016-0643
tel/fax 717/270-0714

----- Original Message -----
From: "Vince Negrete" <vnegrete@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Cc: <lux@...>; <billkichman@...>
Sent: Wednesday, August 13, 2003 1:11 PM
Subject: [CAD_CAM_EDM_DRO] Doesnt ANYONE have this drawn up??? was: John's
CNC plans???


> Great data! Thanks. Do either of you have a drawing of the Preload Nut
> assembly? It shows simply, a Block. Or is this a simple screw thread
with
> bearing and double nut?
> Also if I may over-extend my welcome, how about a bill of materials.
> Primarily the Bearing part number to save research time if you already
have
> it onhand??? :)
>
> Thanks so much!
>
> Vince
>
>
> ----- Original Message -----
> From: "Kim Lux" <lux@...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Wednesday, August 13, 2003 9:25 AM
> Subject: Re: [CAD_CAM_EDM_DRO] Doesnt ANYONE have this drawn up??? was:
> John's CNC plans???
>
>
> > I passed some of my shop drawings on to Bill who has CAD'd a few of
> > them. The ball screw spindles we used would work for a 1.25" ballscrew
> > if the main diameter was increased.
> >
> > I'm sure Bill will share, right Bill ?
> >
> > Kim
> >
> >
> > On Wed, 2003-08-13 at 10:19, Vince Negrete wrote:
> > > I have to repeat this question since I know somebody has info but I'm
> > > guessin missed my post:
> > >
> > > If, anyone else has a good dimensional drawing for an End
> > > Bearing/Nut assy, that would work well with a 1.125" 5-tpi Ballscrew
> > > installed on a Bridgeport Style Knee-Mill I'd appreciate the info!
The
> > > idea here is to adapt a proven Concept before I make a mistake
> incorrectly
> > > cutting the Ballscrews.... (a very expensive mistake)
> > >
> > > If I dont have the Terminology of the end-mount correct maybe this
will
> help
> > > explain what I'm looking for:
> > > It mounts on the end of the Ballscrew affixing it to the Mill.
> > > Y-Axis should have One preloaded mountpoint typically with one bearing
> block
> > > assy., and X-Axis should have two bearing block assy's with one side
> > > preloaded. Maybe its my use of the word Preloaded that is confusing
> > > things.. My
> > > terminology might be messed up.
> > >
> > > The design would determine the cuts needed to modify my Ballscrew ends
> for
> > > refit onto the Mill.
> > >
> > > Thanks
> > > Vince
> > >
> > >
> > >
> > >
> > > ----- Original Message -----
> > > From: "Vince Negrete" <vnegrete@...>
> > > To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> > > Sent: Tuesday, August 12, 2003 10:43 PM
> > > Subject: [CAD_CAM_EDM_DRO] John's CNC plans??? was: PC Based CNC Mill
> For
> > > Hobby
> > >
> > >
> > > > I've inquired about these plans and recieved ZERO answer back.
> > > > John must be very busy. I was interested primarily in the design
and
> > > > dimensions of the preload assy and was willing to do a purchase BUT,
> No
> > > > answer back..
> > > > If you get a reply let me know. Maybe I burned my bridge with that
> guy in
> > > > the past... Cant remember. :)
> > > >
> > > > Heck, if anyone else has a good dimensional drawing for a Preload
> > > > Bearing/Nut assy, that would work well with a 1.125" 5-tpi
Ballscrew
> > > > installed on a Bridgeport Style Knee-Mill I'd appreciate the info!
> The
> > > > idea here is to adapt a proven Concept before I make a mistake
> incorrectly
> > > > cutting the Ballscrews.... (a very expensive mistake)
> > > >
> > > > Vince
> > > >
> > > >
> > > > ----- Original Message -----
> > > > From: "Antonius J.M. Groothuizen" <agroot@...>
> > > > To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> > > > Sent: Tuesday, August 12, 2003 7:34 PM
> > > > Subject: [CAD_CAM_EDM_DRO] Re: PC Based CNC Mill For Hobby
> > > >
> > > >
> > > > > Artisan,
> > > > >
> > > > > If you want to build your own, do a net search for "Hobby CNC" and
> > > > > variations. There are several sites selling plans. John
> > > > > Kleinbauer's website is a good source of imformation. He only
ships
> > > > > plans to US and Canadian addresses, but ther are links on his
> website
> > > > > for more information.
> > > > >
> > > > > Tony
> > > > >
> > > > >
> > > > >
> > > > > --- In CAD_CAM_EDM_DRO@yahoogroups.com, "fanuc_cnc"
<fanuc_cnc@y...>
> > > > > wrote:
> > > > > > Hi all Groupist
> > > > > >
> > > > > > I am Want to make PC Based low cost CNC Table Top Mill.
> > > > > > For that Any one who can hepl me how to get stepper motor
> > > > > controler ,
> > > > > > Which is best,which software i can use,
> > > > > > Mechanical side is easy to manufacture for me
> > > > > >
> > > > > > thanks
> > > > > > Artisan
> > > > >
> > > > >
> > > > >
> > > > > Addresses:
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> > > > > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
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> > > > Moderator: pentam@... indigo_red@... [Moderators]
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> > > >
> > > > OFF Topic POSTS: General Machining
> > > > If you wish to post on unlimited OT subjects goto:
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it
> if
> > > you have trouble.
> > > > http://www.metalworking.com/news_servers.html
> > > >
> > > > http://groups.yahoo.com/group/jobshophomeshop I consider this to
be
> a
> > > sister site to the CCED group, as many of the same members are there,
> for OT
> > > subjects, that are not allowed on the CCED list.
> > > >
> > > > NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING
> THEM.
> > > DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
> > > > bill
> > > > List Mom
> > > > List Owner
> > > >
> > > >
> > > >
> > > > Your use of Yahoo! Groups is subject to
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> > > >
> > > >
> > > >
> > >
> > >
> > > Addresses:
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> > >
> > > OFF Topic POSTS: General Machining
> > > If you wish to post on unlimited OT subjects goto:
> aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it
if
> you have trouble.
> > > http://www.metalworking.com/news_servers.html
> > >
> > > http://groups.yahoo.com/group/jobshophomeshop I consider this to be
a
> sister site to the CCED group, as many of the same members are there, for
OT
> subjects, that are not allowed on the CCED list.
> > >
> > > NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING
THEM.
> DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
> > > bill
> > > List Mom
> > > List Owner
> > >
> > >
> > >
> > > Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
> > --
> > Kim Lux <lux@...>
> >
> > Addresses:
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> > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
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> timg@...
> > Moderator: pentam@... indigo_red@... [Moderators]
> > URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
> >
> > OFF Topic POSTS: General Machining
> > If you wish to post on unlimited OT subjects goto:
> aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it
if
> you have trouble.
> > http://www.metalworking.com/news_servers.html
> >
> > http://groups.yahoo.com/group/jobshophomeshop I consider this to be a
> sister site to the CCED group, as many of the same members are there, for
OT
> subjects, that are not allowed on the CCED list.
> >
> > NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
> DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
> > bill
> > List Mom
> > List Owner
> >
> >
> >
> > Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
> >
>
>
> Addresses:
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timg@...
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>
> OFF Topic POSTS: General Machining
> If you wish to post on unlimited OT subjects goto:
aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.
> http://www.metalworking.com/news_servers.html
>
> http://groups.yahoo.com/group/jobshophomeshop I consider this to be a
sister site to the CCED group, as many of the same members are there, for OT
subjects, that are not allowed on the CCED list.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
> bill
> List Mom
> List Owner
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>