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Has anyone else invested in one of these wheels??

If so. what's your impression??

I bought the fine grade one at £199.99 plus £25 for the anti corrosion fluid as soon as they came available, we do a fair amount of knives I must admit but it's showing signs of being shagged out already.

Though we have probably done about £6-700 worth of work with it, still not the best investment if it doesn't last at least twice as long.

The regular stone last about a year and thousands of £'s worth of work goes through them for about £140.00.

There is less mess, while the diamond wheel is good it does rip them down, no need for grading and clearing up the sludge in the bottom of the trough, £200 is an expensive consumable.

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I bought the diamond one but thought the same.

Gave a lovely finish but seemed to wear really quickly, and had a few nasty snatching moments with knives that took digs out of the edge (and very nearly my fingers!!) and made the chance of catching a knife edge worse.

Shelved it and gone back to the standard wheel, much better and safer!

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The problem is diamond wheels are not suitable for sharpening steel. The carbon in the steel reacts with the diamond and damages the wheel. You need to use a Cubic Boron Nitride (CBN) coated wheel instead, low heat and long life, around the same cost as a diamond wheel.  Diamond wheels are great for tungsten tools (ie sharpening tungsten tipped drills) but no good for steel.

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The last time I purchased a CBN wheel it came from  Speedmetal Tools (in Germany I think). I'm not sure which size wheel the Tormek takes but have a look at this link:  https://shop.speedmetal-tools.com/de-gb/en_GB/#sortiment

Take a look here too. https://www.tormek.com/forum/index.php?topic=3191.0

  https://woodturnerswonders.com/collections/cbn-wheels

Do a Google search 'CBN wheel for Tormek', plenty to look at there.  :smile:

Edited by Dave Daytona

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On ‎7‎/‎20‎/‎2019 at 6:10 PM, Dave Daytona said:

The last time I purchased a CBN wheel it came from  Speedmetal Tools (in Germany I think). I'm not sure which size wheel the Tormek takes but have a look at this link:  https://shop.speedmetal-tools.com/de-gb/en_GB/#sortiment

Take a look here too. https://www.tormek.com/forum/index.php?topic=3191.0

  https://woodturnerswonders.com/collections/cbn-wheels

Do a Google search 'CBN wheel for Tormek', plenty to look at there.  :smile:

Brilliant, when the diamond wheel shags out I'll get one of these I think...

Big thanks...

 

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