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Messages - Mark Rogers

#1
Wood Turning / Re: Skew and SVS 50 issue
December 26, 2022, 09:20:07 AM
Thanks for the imput guys, much appreciated.

Yes, I do have the TTS-100 and find it very useful and accurate.
My issue isn't with setting up the universal support bar but the positioning of the skew when using the SVS-50. All my skews have slight radius edges so you'd imagine the two notched clamps in the jig would centre it and hold it straight. Unfortunately this is not the case and I can't figure out why.
As an example, I can mount the skew, set up the USB and grind a new bevel. I leave the USB set and go use the tool. I feel it start to dull so I remount the tool in the SVS-50 (the bar is still untouched) and when it touches the wheel the grind is off. Therefore the problem has to be in how the tool sits in the jig.

Previously to this I used a Pro Edge to sharpen my skews and I'm sure you're all familiar with the flat platform and simple jig used to this effect.
Would I be better getting the Tormek equivalent (SVD-110) and making a simple triangle jig myself to replicate this? I'd rather get on top of the problem I have then buy more kit but if it's a more accurate solution that's fine by me!

I hope I've explained my issue clearly this time and thanks again for any imput 👍
#2
Wood Turning / Skew and SVS 50 issue
December 23, 2022, 10:05:51 AM
Hello everyone, first post on here after browsing through lots of these knowledgeable posts.

I've recently purchased a second hand slow speed grinder to use alongside my Pro Edge for my turning tools. It has a 180g CBN wheel and a selection of Tormek jigs. I've so far been super impressed with the edge it grinds and the increase in sharpness over the Sorby.

My question is regarding the SVS-50 jig when used with my 3/4" skew.
I can set the tool up in the jig and grind a nice bevel no problem. It's lovely and sharp (massively better than the Sorby) but when I come to touch up the edge I hit an issue. I can never seem to get it back into the exact same position in the jig. By eye it looks perfect but it must be twisted ever so slightly as when I touch it to the wheel the grind is off. I then have to regrind a whole new bevel which (as it's a CBN wheel) doesn't take too long but it's a pain. Long term I'm hoping to swap the machine to a T8 so I'm keen to get the issue resolved before I do that.
I have to add that I've watched YouTube videos showing how the jig is set up and I'm not putting too much pressure when screwing the tool down.

I'm now considering buying the flat table support so I can sharpen without using the jig, anyone with experience of grinding a skew that way?

Any tips on here would be appreciated greatly 👍