looks like a good simple machine. the only thing I might look at is
the side mounting plates may allow the tops to flex if you use them
that far up, but is probably fine for engraving and isolation circuits
with the y z axis lower.
this is just my 2 cents I am having to rebuild my machine because of
flexibility.
good luck
--- In DIY-CNC@yahoogroups
>
> Hello,
>
> Ive pretty much got the design of my new table sorted, but, before i
> go and get the metal work cut, id really appreciate it if someone who
> had more experiance than me could look over the details and tell me if
> im way off the mark?
>
> Its a moving table design, using THK KR33 units for the y and z axis,
> held on a frame made of a mixture of 80x80mm extruded aluminium and
> 16mm plate.
>
> The work will range from engraving anodised aluminium (new hemes
> spindle), to isolation milling of pcbs (wolfgang engineering spindle),
> to routing of steel up to about 2.5mm (kress)
>
> The plans are here -
>
> (extruded in yellow, plate in red)
>
> http://www.port23.
> http://www.port23.
>
>
> My possible concerns are the height of the y-axis cross member that i
> need to accomidate the work (the uprights will be drilled to allow
> lowering of the cross member for other work) and the weight offset
> from the cross member, once both THK units and the Kress (or whatever)
> are mounted.
>
>
> So, yep, if anyone has any strong feeling that im going about all this
> the wrong way, could they let me know, before i go and get the metal
> work cut? : )
>
> Cheers, Julian
>
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