Re: [CAD_CAM_EDM_DRO] Question, dimensions for #23 steppers

Hi Jon,

I take it this is JUST For the MaxNC mills? You might also have a
market for lathe conversions, and Sherline mills and drills.

Alan KM6VV


Jon Anderson wrote:

>
> Alan,
>
> Yes, I plan to sell the kit. And, this one will eliminate the need for
> expensive flex couplers, at the cost of perhaps once in a while having
> to take the thrust plates apart for cleaning/lubrication. (bearings will
> be shielded, but not sealed)
> I've wanted to use ball thrust bearings for some time, but got hung up
> thinking I needed a needle bearing to radially locate the stub shaft
> that mounts in the bearings. Realized a couple weeks ago, while
> discussing my old design with a fellow that bought a set, that if I
> coupled rigidly to the motor shaft, the motor's bearings would provide
> the radial location. Radial loads would be negligible.
> Want to use 2.5 x 1.5 rect. alum tubing, and this requires packing
> things together pretty close.
> This new design eliminates pretty much all the real precision machining,
> thus lowering costs. Only one dia and one bore will be important.
>
> Jon
>
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