I have a wolverine sharpening jig system. Is there a after marked platform available to sharpen negative rake scrapers?
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Oneway Wolverine grinding jig platform change
- Thread starter Rodney Quesenberry
- Start date
You can get the standard or the mini platform. What shape of negative rake are you trying to sharpen?https://woodturnerscatalog.com/prod...platform-assembly?_pos=6&_sid=1bda78f0f&_ss=r
1/2" double ended talon/lid recess boxmaster D-Way tool
Why does your existing wolverine platform not work? Just set the angle and sharpen. May require different angles top/bottom.
This Talon is really nice, but about $100 too expensive for me to justify. I just use the platform that came with the Wolverine.
www.rightanglenow.com
TALON - Rail Mount | Right Angle
The TALON, rail-mount (rail mount for use with the OneWay rail system), offers very fast, easy, accurate repeatability for 32 grinding angles using increments within 2 degrees. The range is from about 22 degrees to about 70 degrees depending on the mount and tilt adjustment. A skew adapter is...
www.rightanglenow.com
Did not know if the Wolverine platform was wide enough to sharpen bigger scrapers or to get the correct angle to address the CBN wheels. I noticed that d-way had plywood platforms in order to address the angle on the CBN wheels. is that necessary using the Wolverine platform.
The Wolverine platform is wide enough to sharpen any turning tools I've needed to sharpen. I have a problem of it being too wide for some, particularly when they are very short. That is where I use the mini platform. Large scrapers should work fine with the standard platform.
With the Oneway jig, many have cut a notch in it to accommodate the 1 1/2 inch wide CBN wheels. They are seldom dead flat, so surfacing them may help as well. The Right Angle set up is pretty good, especially if your NRSs have different angles like the ones I use, which are 30 and 60 degrees on my robo rest, which I do not make any more. D Way does like to sharpen the cutting burr on their NRSs up side down saying that it makes for a cleaner cutting burr. I am not sure about that. As for size, They are plenty wide for sharpening scrapers of all sizes, at least for me.
robo hippy
robo hippy
Mark Hepburn
Artist & Chef
I wrestled with the same problem. I use the Wolverine System with the mini-platform as close as I can get it to the wheel.
I use a digital mini-level to set the angle on the platform after zero-ing it on top of the grinder.
I do the top bevel first, so I get a decent burr when finished, setting the angle on the platform to 50°, then I do the lower (larger) bevel with the platform to 25°. So far, so good.
Odie
Panning for Montana gold, with Betsy, the mule!
I started using the Wolverine system prior to when the only platform available was the larger one. (on the left)
Wyatt is correct that the platforms present a problem as the tool wears down. At some point the tool handle gets in the way of the corners of the big original platform. There I ground off the corners to accommodate this. (You'll notice that the corners are not cut off the same on both sides, and this is because the centerline of the grinding wheel is not in the exact center of the platform.)
With the corners cut off, I still needed to deal with tools when they become shorter still.
At that point, I purchased another big platform and ground it down even further. (on the right) You guys are lucky that there is now a mini-platform. You still might want to cut down the corners of the mini-platform, cuz it was a lot of grinding of the large platform to get it down that small.
Those of you who have the mini platform may want to consider at least cutting the corners down some.
=o=
Note: I have devised a method of grinding scrapers that are even shorter still using a 1" square tubing. I don't have a pic of that, but if anyone is interested, I'll get one for you to see...let me know...
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Odie
Panning for Montana gold, with Betsy, the mule!
There is no rubber bumper or sandpaper, but that is what's left of a jig that I once used for honing. I have since gone on to better methods of honing my turning tools.
You're observation is correct that it's a block of wood zip tied to the Wolverine post.
What I think you're referring to as a rubber bumper is a rare earth magnet and screw that is covered with grinding dust. I added that magnet so that I could temporarily park M2 metal cutting lathe cutters on the ledge. I never would have bothered to concoct such an elaborate method of putting that magnet there....but, it was there and available......so, I seized the opportunity. (Many of my raised burr scrapers are homemade from 1/2"x1/2" M2 lathe cutting bits.)
=o=
https://stuartbattytools.com/ I can highly recommend Stuart Batty Tools. Cindy Drodza is one of my mentors. She uses his system religiously. He also taught Cindy how to sharpen her own line of Signature Tools. Yes the platforms are expensive but they are second to none. You buy this platform you will never need another. Check out Cindy Drozda Signature tools as well. Good Luck!
I personally think there is way too much thought put into the angles for NRS. The precise angle really does not make much difference. You could make a wooden version of a NRS at the angle that you like and use it to set the Wolverine Platform. A piece of cold rolled steel would also work as a jig. I just take the scraper itself and use it to set the platform. You only need to grind the top bevel occasionally.