Re: [CAD_CAM_EDM_DRO] Homemade toolpost Grinder ( info seeking )

Before you do any alterations to the spindle nose, let me know what it looks
like. I might be able to help you with some quick change tooling that will
work on it without using a drawbar.

Smoke

> Hi,
> I've been thinking of making a homemade toolpost grinder, and I had
> some questions for the learned masses here.
>
> 1) What is a good grinding wheel type for this? I've found the term
> friable disk, meaning that it can be dressed?
>
> 2) Would a silicon carbide disk be a good type?
>
> 3) Does anyone have a copy of the article on this they are
> willing to share :)
>
> 4) Harbor Freight has a mini-grinder that looks like it may be useful
> if fitted with a different wheel model43533 (www.harborfreight.com)
>
> Awhile back I purchased some 40 taper tooling for my mill, but now
> that I have a chance to try them out, I'm finding that some the
> flanges are of varying widths or non-existant on the larger holders.
> I have a Quickchange spindle that is not hollow (Bridgeport series II
> CNC circa 1978), so the drawbar that would save me, can't be used.
> I'm bummed as all they had to do was make the spindle accept an
> optional drawbar and it would have been alot more versatile.
>
> Well the meaning of this saga is to attempt to machine or grind the
> flanges into these 'hardened'( this is the rub) holders that have
> more than enough material to do this.
>
> Thanks,
> Lee
>
>
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