Re: [CAD_CAM_EDM_DRO] New Mini mill/drill

Hello Ed,
There are some morse taper that have a internal thread for
to use with a draw bar, these ones work well for milling.
Ask the salesman.
Good luck
Sven Peter

Edward Rupp wrote:

> Hi folks,
>
> I've been looking at a new mini mill/drill machine that Harbor Freight
> (item 44991-0ARA) and Grizzly (G8689) are selling. It looks like a
> great candidate for a CNC conversion. Has any one had experience with
> this model?
>
> The machine looks identacl from both mail order catalogs. However
> Harbor Freight clams their machine has a R8 taper spindle, and
> confusedly says it comes with a JT33 chuck taper. The Grizzly catalog
> says only a M3 taper.
> I'm wary of using a morse taper for milling. In my drill press the
> chuck is held in by probity a M3 taper. It falls out if I have a drill
> chatter or the drill sticks in the work. Seems to me a mill with a
> morse taper would be worthless.
>
> Any thought on the spindle suitability?
>
> Thanks a bunch.
>
> Edward Rupp
>
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