CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] Doesnt ANYONE have this drawn up??? was:

Posted by Kim Lux
on 2003-08-15 08:22:13 UTC
I dunno what format they are. I gave Bill our shop drawings (sketches)
and he CAD'D them. I saw them in JPEG format.

Kim

On Fri, 2003-08-15 at 09:14, ccq@... wrote:
> Hi guys;
>
> Once again, are these .dxf type files? If so I can use them, if not, I may need
> to view them with something else, not sure what. Haven't seen what you put out
> so far.....
>
> Bill Vance
>
>
> On Fri Aug 15 07:17:35 2003 Kim Lux wrote:
>
> >My pleasure. Sorry things aren't better organized. (Thank Bill for
> >them being as good as they are because I gave him crude drawings...)
> >I've got a drawing and pictures for the X and Y drives on the mill.
> >They might be more helpful than what I've shared thus far. It will be
> >Monday until I can get around to sharing those, provided Bill can draft
> >my sketches into something more legible.
> >
> >Kim
> >
> >
> >
> >On Fri, 2003-08-15 at 04:34, Vince Negrete wrote:
> >> Jon and Kim, I will check and recheck both theories with regard to my
> >> Old-Dog of a Mill and see if I can use existing stuff or need to modify with
> >> a diff. bearing assy to get that ballscrew held firm. Definitely in the
> >> right direction (with your help), and much thanks to the both of you. Thank
> >> you Kim for the bearing Part number. Might be worth picking one up to see
> >> if it would be a more relyable fit than using the original stuff.. I have
> >> to compare that also to the fact that I only have ONE mill and cant do the
> >> Milling / Modifying of its own parts unless I want to duplicate the parts
> >> and modify the duplicates... That would be a job... :) But might just be
> >> a necessary thing to do.
> >> I'm glad that I now have options that didnt cost me, for Funky Plans that
> >> might not have done me any good... :)
> >>
> >> Thanks Friends!!!!!
> >>
> >> Vince
> >>
> >>
> >> ----- Original Message -----
> >> From: "Jon Elson" <elson@...>
> >> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> >> Sent: Thursday, August 14, 2003 10:12 PM
> >> Subject: Re: [CAD_CAM_EDM_DRO] Doesnt ANYONE have this drawn up??? was:
> >> John's CNC plans???
> >>
> >>
> >> >
> >> >
> >> > Kim Lux wrote:
> >> >
> >> > >I highly disagree with using existing parts.
> >> > >
> >> > >First of all, the bearings used on the ends of ACME screws generally
> >> > >aren't the sort that would be used on a zero backlash ballscrew setup.
> >> > >The runout, etc. on them is not suitable. In my opinion they need to be
> >> > >replaced with a more suitable bearing, like a 7302, a precision angular
> >> > >contact bearing.
> >> > >
> >> > >Once you realize the need to replace those bearings, the existing
> >> > >bearing holders are useless. Making new bearing mounts also allows the
> >> > >motor to mounted for direct drive.
> >> > >
> >> > >
> >> > >
> >> > The XF-12 bearings in a REAL Bridgeport screw mounting bracket
> >> > (Y axis, and the left X axis) are a matched set of spacer-preloaded
> >> > bearings, and I have tested them, and found them to be BETTER at
> >> > axially constraining the leadscrew than the angular-contact bearing pair
> >> > in my high-precision CNC axis drives. (Due to the size of the ballscrews
> >> > I used, I couldn't use the original bearings.) But, there was NOTHING
> >> > wrong with them, and they would be fine for a ballscrew installation.
> >> > Now, I can't vouch for the bearings in a Rong-Fu or some low-budget
> >> > bridgeport clone from China. Undoubtedly, they are not of the same
> >> > quality.
> >> >
> >> > >Some other thoughts:
> >> > >
> >> > >a) convert as large a machine as you can. The speed with which things
> >> > >can be done on a CNC machine are only limited by the cutting power, so
> >> > >bigger = faster.
> >> > >
> >> > >
> >> > I wholeheartedly agree with this, but not only for the power reason.
> >> > A larger machine is almost certainly stiffer, and therefore can be more
> >> > accurate. Also, the larger machine can accept jobs that the smaller
> >> machine
> >> > has to do in several setups, thereby compromising accuracy.
> >> >
> >> > >b) don't overlook coolant and chip handling. Coolant is an absolute
> >> > >necessity on these machines because the cutting rates are easily
> >> > >adjusted via feed override to be high. Chips will accumulate faster
> >> > >than you can imagine when running multiple parts and high cutting
> >> > >speeds.
> >> > >
> >> > >
> >> > Yup, this is also true. And, I always want to point out that keeping the
> >> > workpiece cool can improve accuracy, and prevent the dreaded
> >> > "ball up" of aluminum on endmills.
> >> >
> >> > Jon
> >> >
> >> >
> >> > Addresses:
> >> > FAQ: http://www.ktmarketing.com/faq.html
> >> > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> >> > Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
> >> >
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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:
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> >> 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:
> >> FAQ: http://www.ktmarketing.com/faq.html
> >> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> >> Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
> >>
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> >> 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/
> >--
> >Kim Lux <lux@...>
> >
> >Addresses:
> >FAQ: http://www.ktmarketing.com/faq.html
> >FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> >Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
> >
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> >List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@..., 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/
> >
> >
> >
>
> --
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>
> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
>
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> List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@..., 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/
--
Kim Lux <lux@...>

Discussion Thread

Jon Elson 2003-08-14 22:16:06 UTC Re: [CAD_CAM_EDM_DRO] Doesnt ANYONE have this drawn up??? was: John's CNC plans??? Vince Negrete 2003-08-15 03:27:55 UTC Re: [CAD_CAM_EDM_DRO] Doesnt ANYONE have this drawn up??? was: John's CNC plans??? Kim Lux 2003-08-15 07:16:28 UTC Re: [CAD_CAM_EDM_DRO] Doesnt ANYONE have this drawn up??? was: John's CNC plans??? ccq@x... 2003-08-15 08:14:15 UTC Re: [CAD_CAM_EDM_DRO] Doesnt ANYONE have this drawn up??? was: Kim Lux 2003-08-15 08:22:13 UTC Re: [CAD_CAM_EDM_DRO] Doesnt ANYONE have this drawn up??? was: Bill Kichman 2003-08-15 09:10:48 UTC Re: [CAD_CAM_EDM_DRO] Doesnt ANYONE have this drawn up??? was: Steven Ciciora 2003-08-15 09:13:58 UTC Re: [CAD_CAM_EDM_DRO] Doesnt ANYONE have this drawn up??? was: