thanks for the tip..
but surplus market is, letc call it nearly non-existent.
well such markets are for car parts, household stuff, and lots of other
things.
but seldom for technical parts.
there are some professional surplus resellers but the prices are way too
high.
the only option i know is ebay...
but thanks for the idea, maybe someone else can get such a rack...
regards
stefan
On Thu, 31 Jul 2003 18:17:55 -0400, GraySoul Dragon <
danbarlow@...>
wrote:
> Quoting Markus Zingg <m.zingg@...>:
>
>> Hi Stefan
>>
>> I figure CNC drilling is definately on topic - at least if using
>> lasers to drill and "mill" PCB's is on topic too :)) (sorry guys,
>> could not resist - AND it was interesting)
>>
>> With regard to the slides, the slides used in the link are NOT those
>> I refered to. The ones I refered to DO NOT use ball bearings. Instead
>> the balls are palced along the whole slide making it extremly stiff
>> and precise.
>
> I don't know how the surplus market is in your area, but here we have
> a semi-monthly auction for surplus goods from all over the state as
> well as the state university system.
>
> There are often mainframe racks with very well engineered rack slides
> going for US$10 or less for the whole rack. Using the standard rack
> as the mechanincal base is easy, just lay it on its back. Most of them
> are steel. If you get one of the smaller hard drive units it has
> four very nice slides in it that are rated for several hundred pounds
> and are very smooth so as not to crash the drive heads.
>
> Other surplus equipment can have very good positioners also -- I once
> got a Matrix camera for $10 that had meter-long threaded rods with
> recirculating ball bearing mounts, and the complete motor and driver
> schematic taped inside the door.
>
> Sometimes scavenging gets you a lot more than you'd think. ;)
> -Dan Barlow
>
>
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