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Quote from: GKC on Today at 05:35:57 AMI wanted a second SVD-186R and remembered that there had been a discussion of this when the R was released with its locking knob. I had a 186 on hand so for the conversion to a 186R I implemented Rick's idea of a collar around the jig to reinforce the tapped hole.
As can be seen in the pictures, the body of the 186 is about 2.5mm thick and the collar doubled that. There is now plenty of thread to hold the knob. (If I were Rick I would have machined a steel collar, but the 20mm ID brass bushing was so cheap ($6) and easy that I couldn't resist; I am confident that it will do the job.)
The brass bushing was a decent interference fit over the jig: I warmed the bushing, froze the jig, slid on the bushing and it tightened up nicely. If the fit hadn't been so nice, I would have put a dab of JB Weld in to keep things orderly.
Though it looks a bit bulkier in the middle, I am finding the homemade 186R to be functionally the same as my "real" 186R, so this was a successful modification for me.
Gord
Quote from: Dan on September 26, 2026, 08:30:37 PMT8 was not yet available 15 years agoSorry, it was a T7 dated 2011. My son now has it. I bought the T8 Anniversary but with my repairs and paint job the T7 is as good as new.
Quote from: Herman Trivilino on September 26, 2026, 07:36:27 PMYes, time has a tendency of passing quickly. It's quite easy for me to walk away from a sharpening session and leave the machine unattended for weeks or even months. I've learned my lesson. Remove the water trough, empty and thoroughly rinse, and remove the grindstone immediately after every session.I do the same as Heman.
Quote from: Drilon on September 26, 2026, 06:27:28 PMThe Tormek T8 had been introduced 10 years ago in 2016.Yes, I also thoought the T8 was not yet available 15 years ago. Perhaps it wasn't as old as John thought
Quote from: Herman Trivilino on September 24, 2026, 03:50:47 PMI'm curious, John. Where was the rust? Where the grindstone makes contact with the main shaft? Did the rust penetrate into the grindstone?The rust was under the wheel. It did not extend into or past the bearing. The wheel was completely stuck to the shaft It was about 15 years old when I bought it and I suspect that it had never been removed. It was in a liquidation auction for a business. The rust did not penetrate into the wheel. There is a collar inside the hole which is part of the wheel, which stopped it. It only rusted where the wheel contacted the shaft. The bearings were also quite worn.
Quote from: Dan on September 24, 2026, 10:57:22 PMSo, I just removed the wheel, in case of any problems and all is fineIt will take a while to show. Also greasing will help. I bought a second hand T8 that was about 15 years old. The SG wheel was rusted solid to the shaft. I suspect that it had never been removed. I think if you remove it regularly you may be fine. I will continue to remove mine after every session thought

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