Thread: DIY mill...
Can you re-arrange and centre support those rails? Would make it lots stronger.
Have you considered reinforced concrete for the base? A bit of granite worktop would be nice. Sand and liquid epoxy if you have the pioneering spirit.
Looks a tadge flimsy as is.
Robin, how would you support a round rail with a linear bearing that fully encloses the rail?
these are 16mm carbon steel rails supported at each end - according to my calcs a single rail will deflect no more than 0.04mm under a 35kg central point load and a) I dont plan to load them that much and b) the load is distributed across two pillow blocks on two rails so expect the deflection to be <0.01mm...
Where's the flimsy bit come in?
lol, OI YOU LEAVE MDF ALONE !!!
Yes it is Delrin.
Yea i used delrin as a drive nut under the table as well mate.
Just let me know when you need anything ill quote you happy !
Forogt to say, i also sell ACME Delrin Drive nuts as well.
They work jsut as well for ACME, i think you may have got ballscrew from Dice.
or was it Anti-Backlash x3pcs 10x2 Trapezoidal + Delrin Nuts CNC ?
Last edited by Lee Roberts; 27-07-2008 at 04:11 AM.
I'm sure, Lee, you could have done it cheaper and your block 'nut' is easier to mount than the round one (haven't thought how I'm going to mount it yet).
Of course the proof will be in the actual result...
Last edited by irving2008; 27-07-2008 at 04:26 PM.
Maybe I'm just tied up thinking you're going to make deeper cuts in harder materials than you actually are. A speed control can help prevent chatter, but without big heavy slides I'm thinking you really want to get as much spring out of the system as you possibly can :D
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