Bench-top or welded frame

[driftspin]

Bigger than my StarMill (160x100!). Height isn't a massive issue for me (at least not as yet), but 200mm would be an aim. X/Y = around 600x400 was my goal.




Only the crazy people go vertical! Actually, it's something I had just started to think about - I know Dean here has done this in the past. That might be the next machine.



(assuming you mean square across the Y-Axis) Yes, a beam across the top, with gusset plates to hold square (sorry, the design is obviously incomplete - more to get the concept right in my mind before burning hours on Fusion 360).



Yes, more steel to be added yet. As above, this is just a basic geometry sanity check.



That's exactly why I posted this. Placing the spindle where I did I'm very conscious that it's putting a large force on the rails. Having said that, better and brighter people than me have suggested that the rails are more than strong enough for anything a small machine like this is likely to throw at them, and Dean's earlier comment re. most mills - yeah - they'll place a similar cantilever load on the rails as well.

Hi doddy,

What is your main problem with exiting 6040 designs?

I feel like the " lean back " gantry design is most space saving.

Do you think 20 mm alu gantry sides will cover your rigidity needs?

http://www.mycncuk.com/showthread.php?t=11610

like that one... but a bit smaller.


Grtz Bert.


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