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Messages - lady_shock

#1
Wood Turning / Re: initial grind takes hours?
September 21, 2022, 08:33:35 PM
Thank you SO much for the incredibly helpful advice!

Mostly, I was concerned that I was using the Tormeks incorrectly, but this appears not to be so.


@KenS:
You are absolutely right about needing only a small collection of turning tools. Confining myself (for now!) to spindle turning, I pretty much use only my spindle roughing gouge, 1" skew, parting tool and 3/8" spindle gouge. The parting tool caused no issue and I'm nearly done with the skew (save for the slim crescent remaining, which appears like it would take hours to eliminate). The other gouges have been sharpened and honed to usability, but really need a proper shaping.

I would very much welcome advice on mounting the Norton 3x 8" wheel onto my T7, thank you! Does the deeper hollow grind of the 8" wheel cause any issues when sharpening on a 10" wheel?

@RickKrung:
so many good options, thanks!!! What would you think of a 10" 180 grit CBN wheel mounted on the T7 without a water bath, thence to the DF 250 600 grit on the T8?
#2
Wood Turning / initial grind takes hours?
September 19, 2022, 08:50:21 PM
I've recently re-ignited my turning hobby and my motley collection of weirdly ground, poorly sharpened turning tools (along with some that aren't so bad). Since those days, I've added both a Tormek T-7 with a pretty new SG-250 wheel and a T-8 with a DF-250 600 grit diamond wheel. Nearly all the tools need to be re-ground properly but I'm finding it's taking literally HOURS to do.

I spent 4 hours yesterday on a 1" oval skew starting on the SG-250 surfaced to 300 grit, freshly dressed. Initially, the bevel formed nicely, but as I continued, the progress got slower and slower until I  eventually gave up and left a 1 mm crescent of the original bevel. I was literally using a dissecting microscope to see if I was making progress- I was, but INCREDIBLY slowly. I resurfaced the stone a few times thinking maybe some fresh sharp peaks would help and maybe it did, a little.

Other sources (reddit, I know, reddit...) suggest that slow speed water cooled grinding isn't necessarily an effective way to get the initial grind?
Am I missing an important technique here? Thank you for your input!
#3
I recently purchased a DF-250 (fine) specifically to use the side of the wheel to make chisels and plane irons flat.
New out of the box, I notice small voids on the side where it appears the diamond layer did not adhere or maybe chipped away.
My intuition tells me this should be ok as there will be only a small sector of each revolution of the wheel were no grinding occurs, but I'm really obsessive about sharpening and can't shake the feeling that this isn't good and I should return the wheel before I use it.
Any thoughts and experience would be much appreciated!