Re: Proxxon Mill CNC Conversion

Graham,

Can you recall the type of bearings you used here? I've removed a thrust
washer and it looks like there is just enough space for a needle roller
thrust bearing. Did you have to mod the plastic housings ?

Darren


--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Graham Stabler" <eexgs@...>
wrote:

>
>
> http://www.indoor.flyer.co.uk/personal.htm
>
> Covers my conversion, a digitizing probe I made for it and on it and
> a 4th and 5th axis add on I made. Also shows some other things made
> using it such as propeller moulds.
>
> The working area is more like 1.5" by 5" It is a very small mill,
> good if you want to make very small things. If you don't then a
> bigger mill will suit you better.
>
> General comments: Spindle is good, runs to over 20k and is quite
> quiet. Takes tooling upto 1/8" maximum. Construction is pretty
> good, it has gibs and the nuts have VERY little backlash. I
> recently replaced the washers that act as thrust bearings with
> normal 6mm ID bearings and that has reduced backlash to nearly
> nothing. Before if you tightend out the axial play of the screw it
> would produce too much friction.
>
> Graham
>