Re: [CAD_CAM_EDM_DRO] BYO CNC Lathe ?

Shucks.... Yahoo is down for the photos anyhow......

Peter Homann wrote:

> Have a look at
>
> http://photos.groups.yahoo.com/group/cad_cam_edm_dro/vwp?.dir=/Home-brew+CNC
> +lathe&.dnm=CNC+Lathe---1.jpg&.src=gr&.view=t&.hires=t
>
> Cheers
>
> Peter Homann
> <mailto:peter.homann@...>
> Work : +61 3 8530-7755
> Adacel Technologies Ltd Fax : +61 3 9596-2960
> 250 Bay St, Brighton 3186, VIC, AUSTRALIA Mobile : 0421 601665
> http://www.adacel.com.au Australian Software Engineering Excellence
>
> -----Original Message-----
> From: Chris L [mailto:datac@...]
> Sent: Friday, 15 March 2002 3:57 PM
> To: CCED
> Subject: [CAD_CAM_EDM_DRO] BYO CNC Lathe ?
>
> Ok,
> I've taken an interest in purchasing a small lathe to convert to CNC.
> Everything I look at though, spooks me off a bit. The Taig...To Small.
> The Sherline, To Pricey. The Imports ? Well, we picked up a Jet 9x20 for
> a quick and dirty machine and I was not very impressed. I did not think
> one should build a machine like that out of such soft metal. You should
> see how wobbled out the wrench holes are in the spindle from taking the
> chuck off ! Scary! I do not think I would ever cnc that thing.
>
> So, I began to think about building my own. (BYO)
> Is there any reason why I could not use some good sized THK-IKO style
> bearings for the rails ? Why do all lathes have the typical beds with
> sliding gib concepts anyhow ? Linear bearings should work, No ?
>
> I could even put the Tailstock on the same rails with a separate
> leadscrew and handwheel instead of having the tailstock made in the
> conventional way. That sounds alright.
>
> I could come up with a really neat spindle with a really large thru hole
> instead of all this too small stuff. (I knew I would someday find a use
> for front wheel drive cars... The front hub and spindle ! I could keep
> my GM lathe ALL GM !)
>
> I thought I could probably use big chunks of Billet aluminum for the
> headstock and tailstock but was worried about not getting enough mass.
> But I suppose it would still be as good as a Taig or Sherline.
>
> Thoughts ? Am I nuts ?
>
> Chris L
>
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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://www.jobshophomeshop@yahoogroups.com I consider this as a sister site to the CCED group, as many of the same memembers are there, for OT subjects, that are not allowed on the CCED list.
>
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