RE: [CAD_CAM_EDM_DRO] Re: What makes a machine CNC ready?

> Jon - I can buy a good "precision rolled" ballscrews with adjustable
> anti backlash nut and wipers for little more.
>
> There are GOOD rolled screws out there and they are not that expensive.

Steve,

Where do you get these screws and nuts? I live in Australia and the idea of
inexpensive ballscrews and nuts (of any accuracy) is completely foreign to
me!

Dave.

> 0.001 per foot is not that precise, it's grade 3. That's 25.4um per
> foot, the screws I use are 0.052um per foot (grade 7;) and are the ones
> priced here.
>
> As an example..
>
> 16x4mm is $32 per foot, $91 for the screw and $18 for the seals.
>
> I can also get the ends machined and threaded by the supplier to suit
> preloaded bearings for another $40. (Worth it IMO).
>
> Steve Blackmore
> --
>
>
> 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
>
> Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
> Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
> List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com,
> wanliker@..., timg@...
> Moderator: pentam@... indigo_red@...
> davemucha@... [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
>
>
> Yahoo! Groups Links
>
>
>
>
>
>