diamond: [DIY-CNC] Re: Anyone care to check my plans over, before i order the frame parts?

sorry I think I am talking about the "upright plates"

> 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.com, "julianfincham" <julian@> wrote:
> >
> > 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.co.uk/cnc/machine_one.jpg
> > http://www.port23.co.uk/cnc/machine_two.jpg
> >
> >
> > 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
> >
>