tormek T7

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Forum topic by yrob posted 11-09-2011 11:31 PM 2217 views 0 times favorited 7 replies Add to Favorites Watch
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340 posts in 3678 days

11-09-2011 11:31 PM

I am considering getting a Tormek and I am wondering how it achieves its edge. As far as I can tell, there is one single grinding stone and a leather honing wheel. That grinding stone probably has a rough grit (250? ), so how do you get the mirror edge? Is that solely achieved via the leather stropping wheel or do you have to use a stone grader tool to reset the grinding wheel to a finer grit as you go?

-- Yves

7 replies so far

View Bertha's profile


13529 posts in 2718 days

#1 posted 11-09-2011 11:40 PM

You use either a fine or coarse grading stone on the wheel. The powered strop charged with compound will get you to the mirror edge. Keep in mind that this is a hollow-grind, which may or may not be desirable to you. I own one but I use a $11 Eclipse jig and sandpaper for 99% of my sharpening.

-- My dad and I built a 65 chev pick up.I killed trannys in that thing for some reason-Hog

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340 posts in 3678 days

#2 posted 11-09-2011 11:44 PM

Thanks Al. Yes, I also sharpen with waterstones and a simple jig (well a MKII veritas). However, lately my time for woodworking has been curtailed and my pile of tools to sharpen (I keep buying some on ebay…) has been growing..

The hollow grind is ok with me. If anything, this makes it easier to free hand sharpen on a stone if I have to.

The T7 comes with only one stone right? You have to buy the finer one?

-- Yves

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13529 posts in 2718 days

#3 posted 11-09-2011 11:47 PM

eYves, I also like to start fresh with a hollow grind before moving over to the scary sharp. I made a big omission above when I neglected the turning tools; I’m not a big turner, so it was easy to overlook;) My Tormek came with a white stone that is quite a bit more fine than the one on my JET. The JET stone, however is much softer and easier to gouge. The diamond grader makes quick work of the JET stone but seems to struggle on the Tormek. To be honest, I have no idea what the grits are but they’re both factory. If I had it to do over again, I’d probably buy the Wolverine jig and a nice grinder.

-- My dad and I built a 65 chev pick up.I killed trannys in that thing for some reason-Hog

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Don W

18754 posts in 2593 days

#4 posted 11-10-2011 12:08 AM

How much difference is there between the Tormek and the grizzly. I looked at the tormek this morning in a couple of catalogs. Its $660+ and then you buy the accessories. I’d just buy a slow speed grinder before I spent that kind of money. My cheap Home depot special works, I just need to be careful not to burn. The grizzly is under $200.

-- - Collecting is an investment in the past, and the future.

View ChuckC's profile


828 posts in 2960 days

#5 posted 11-10-2011 12:23 AM

Look at the WorkSharp 3000 too. I just got one and highly recommend it.

View mcase's profile


446 posts in 3154 days

#6 posted 11-10-2011 12:42 AM

I’ve had the Tormek for five years or more now and can give you some guidance for straight edged grinds such as jointer knives and butt chisels. The Tormek is a GREAT hollow grind machine and it will accurately grind a plane knife up to 13” long. However (for straight edges anyway), forget all the polishing hype and the leather wheel. If you read the Tormek book there is all this nonsense about polishing. The leather wheel has give of course and envelopes the edge when its pressed against it. This leads to an edge that is nice and polished, but is actually rounded over dull. Also, forget or ignore all the Tormek nonsense about creating a series of micro bevels on the Tormek grinding wheel. The way to really use this machine is straightforward. You will make your life a lot easier by simply setting a nice hollow grind using the stone in its more aggressive grading. Then, because you have a hollow grind you can use the old quick free-hand technique of resting the heel and edge of your work on a waterstone and simply make a few passes at 4000. Polish at 6000 or 8000. I’m talking five or six strokes per grit, lap the back and your done.

View skunkeye's profile


7 posts in 2419 days

#7 posted 11-10-2011 02:19 AM

I’ve used a Tormek for several years, I generally wet grind to get rid of dings and waterstones for final sharpening.

The leather wheel will get chisels sharp enough to shave the hair off your arm, but for paring cuts I seem to get better results off the stone.

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