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#1
General Tormek Questions / Re: Is there a way to prevent ...
Last post by Herman Trivilino - Today at 03:50:47 PMQuote from: John Hancock Sr on Today at 03:33:31 AMI bought a T8 second hand and it had the "stainless" shaft. The SG had rusted on and could not be removed. Always remove the wheel between sessions.
I'm curious, John. Where was the rust? Where the grindstone makes contact with the main shaft? Did the rust penetrate into the grindstone?
#2
General Tormek Questions / Re: Is there a way to prevent ...
Last post by John Hancock Sr - Today at 03:33:31 AMQuote from: Herman Trivilino on September 21, 2026, 04:16:49 PMThe reason I remove the grindstone between sessions is to prevent rust. The grindstone soaks up water and remains wet for hours if not days.
You can read about my adventures with a rusty main shaft here
Same. I bought a T8 second hand and it had the "stainless" shaft. The SG had rusted on and could not be removed. Alwas remove the wheel between sessions.
#3
General Tormek Questions / Re: Removing the Grinding Whee...
Last post by John Hancock Sr - Today at 03:28:55 AMTwo reasons.
The material used in the SG wheel is extremely porous and retains moisture for a long time after use. This moisture can cause the shaft to corrode. Note that stainless steel does not mean corrosion free. If subject to long periods of moisture then it can corrode as I can certainly attest. In addition if you are sharpening carbon steel these particles can collect on the shaft under the wheel and these will accelerate the corrosion process. Removing the wheel will prevent the shaft from corroding under the wheel.
As you grind some small grit particles can get trapped inside the nut and washer. If the wheel dries out, this can lock the nut and make it difficult to remove.
The material used in the SG wheel is extremely porous and retains moisture for a long time after use. This moisture can cause the shaft to corrode. Note that stainless steel does not mean corrosion free. If subject to long periods of moisture then it can corrode as I can certainly attest. In addition if you are sharpening carbon steel these particles can collect on the shaft under the wheel and these will accelerate the corrosion process. Removing the wheel will prevent the shaft from corroding under the wheel.
As you grind some small grit particles can get trapped inside the nut and washer. If the wheel dries out, this can lock the nut and make it difficult to remove.
#4
General Tormek Questions / Re: Is there a way to prevent ...
Last post by Herman Trivilino - Yesterday at 05:53:21 PMGeez! I just hang my grindstone on a 3-inch screw that sticks out of a 2x6 attached to the wall. I know it can't hurt to remove the grindstone between sessions, and I think it helps with the overall health and maintenance of the Tormek. There's grease on the main shaft and water in the grindstone. I know water and grease don't mix, but leaving them in contact with each other causes parts to stick and can make it more difficult to remove the grindstone. And you do need to remove the grindstone occasionally, even if you're not changing grindstones, to grease the main shaft and its bearings.
If you pay attention you'll notice that it takes a lot more water to fill the trough when the grindstone is dry. Even if I haven't used it for a couple of days it still takes less water to fill the trough when I do go to use it. In the humid climate of Houston. I wonder if it would be different if I lived in an arid climate.
If you pay attention you'll notice that it takes a lot more water to fill the trough when the grindstone is dry. Even if I haven't used it for a couple of days it still takes less water to fill the trough when I do go to use it. In the humid climate of Houston. I wonder if it would be different if I lived in an arid climate.
#5
General Tormek Questions / Re: Is there a way to prevent ...
Last post by Ken S - September 22, 2026, 11:24:20 PMHerman is our forum expert on frozen grinding wheels. I was a late comer and did not arrive until 2009, when the shaft on my T7 was the pre EZYlock straight stainless version. I did encounter the the extended dampness problem when I returned my SJ-250, which I thought had dried, to its cardboard box. The box was not ruined, however, it was worse for the wear. After trying several options, I decided on printing the 3D plan from Rich Colvin's Sharpening Handbook. They come in two sizes (250 mm and 200mm). They are non absorbant, joinable, and provide safe, ventilated storage.
Ken
Ken
#6
General Tormek Questions / Re: Is there a way to prevent ...
Last post by Herman Trivilino - September 22, 2026, 03:16:31 PMThe grindstone stays wet, all the way to the center where it makes contact with the main shaft and the spacer. As the grindstone dries out it leaves behind a residue that acts like an adhesive. (Think about a paint brush that you cleaned and left to dry -- the bristles are temporarily stuck together until you bend them back a forth a few times.) This will make it harder to remove the grindstone for maintenance and may contribute to that problem where the EzyLock gets stuck.
#7
General Tormek Questions / Re: Removing the Grinding Whee...
Last post by John_B - September 21, 2026, 08:13:15 PMI think there are two different scenarios. As Ken mentioned moving your machine or transporting it in a vehicle and stationary use.
The weight on the shaft from the stone will over time damage the bearing surface albeit slowly as the vehicle hits bumps. It would be interesting to critically examine the bearings of a Tormek that is used in a mobile sharpening setup with the wheel never removed. I too tend to remove the wheel and install the spacer if I need to move it any distance. My bench has wheels so this does not come up too often.
After each use I don't think it is necessary to remove the wheel. It is important not to leave it sit in the water. I think many of us that use multiple wheels may take the last used wheel off when done. When I do this I often leave the SG-250 off until the next session. With old machines the shaft also tended to rust over time making it a good practice to remove the wheel and dry the shaft.
The weight on the shaft from the stone will over time damage the bearing surface albeit slowly as the vehicle hits bumps. It would be interesting to critically examine the bearings of a Tormek that is used in a mobile sharpening setup with the wheel never removed. I too tend to remove the wheel and install the spacer if I need to move it any distance. My bench has wheels so this does not come up too often.
After each use I don't think it is necessary to remove the wheel. It is important not to leave it sit in the water. I think many of us that use multiple wheels may take the last used wheel off when done. When I do this I often leave the SG-250 off until the next session. With old machines the shaft also tended to rust over time making it a good practice to remove the wheel and dry the shaft.
#8
General Tormek Questions / Re: Is there a way to prevent ...
Last post by Dan - September 21, 2026, 05:08:36 PMOk, thanks for the answers.
On my T8, I always empty the water after a session but never remove the stone.
The shaft is Stainless and I (try to!) lubricate it every year. Not had any issue so far.
Yes, the stone stays wet/damp for days.
I suppose it also depends on the humidity levels of the workshop and local environment as well.
Danny
On my T8, I always empty the water after a session but never remove the stone.
The shaft is Stainless and I (try to!) lubricate it every year. Not had any issue so far.
Yes, the stone stays wet/damp for days.
I suppose it also depends on the humidity levels of the workshop and local environment as well.
Danny
#9
General Tormek Questions / Re: Is there a way to prevent ...
Last post by Herman Trivilino - September 21, 2026, 04:16:49 PMThe reason I remove the grindstone between sessions is to prevent rust. The grindstone soaks up water and remains wet for hours if not days.
You can read about my adventures with a rusty main shaft here.
There may be other reasons, too.
You can read about my adventures with a rusty main shaft here.
There may be other reasons, too.
#10
General Tormek Questions / Re: Is there a way to prevent ...
Last post by tgbto - September 21, 2026, 10:56:41 AMI don't remove it. Every once in a while, I just turn it a bit so the EZYlock nut untightens a bit, and leave it there. Then retighten the nut with the label facing upward for the next session.