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Jaywalker
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 Posted: Wed Mar 21, 2007 8:50 pm Post subject: Waterstone Sharpening |
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I'm considering water stones after many, many years of using oilstone hones and I have a question. On an oil stone, the oil carries off the steel particles. What happens to them on a water stone?
Jaywalker |
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SirSpice
Joined: 04 Dec 2006
Posts: 95
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| Posted: Mon Mar 26, 2007 12:17 pm Post subject: |
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On waterstones the water carries the swarf off. You ideally need no rinse it off with water continuously, which isn't too bad if you have a container with water nearby.
What I do is put it on my sink divider and have the water running over it continuously. It makes the metal shine in seconds and removes all swarf immediately. |
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geonuc
Joined: 28 Feb 2006
Posts: 5
Location: Atlanta
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| Posted: Tue Mar 27, 2007 11:13 pm Post subject: |
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| I always thought it was important to leave a slurry on the stone while sharpening because that's what does the cutting, ideally. I could be wrong. |
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GaryProtein
Joined: 26 Oct 2005
Posts: 535
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| Posted: Wed Mar 28, 2007 2:53 am Post subject: |
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| geonuc wrote: | | I always thought it was important to leave a slurry on the stone while sharpening because that's what does the cutting, ideally. I could be wrong. |
The slurry, in actuality dulls the blade as the stone attempts to sharpen the blade because the stone particles scraped off by the blade, and metal particles from the blade get in the way of the blade and the stone. (Sorry for not using any pronouns here, but I wanted this to be crystal clear.) A water or oil stone should be kept clean while in the process of sharpening. There are those who keep the stone dry while sharpening because all you need to do there is blow off the particles laying on the stone to keep it clean. |
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SirSpice
Joined: 04 Dec 2006
Posts: 95
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| Posted: Wed Mar 28, 2007 4:30 am Post subject: |
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| I wouldn't use a waterstone dry, the sheer screeching sound it would make will keep that from happening. I'm not 100% sure about whether the slurry is good or bad, but alot less messy to have water running over it. |
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Jaywalker
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| Posted: Thu Mar 29, 2007 11:58 pm Post subject: |
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Thanks, slurry may be good or bad, but it is present to carry off the particles.
Jaywalker |
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SirSpice
Joined: 04 Dec 2006
Posts: 95
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| Posted: Fri Mar 30, 2007 1:21 am Post subject: |
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| Again, I would suggest you use it under running water if you can. Granted, if you can't do so safely than don't. |
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GaryProtein
Joined: 26 Oct 2005
Posts: 535
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| Posted: Fri Mar 30, 2007 3:44 am Post subject: |
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| Jaywalker wrote: | Thanks, slurry may be good or bad, but it is present to carry off the particles.
Jaywalker |
The slurry is bad. Slurry exists because the water combines with the metal particles and stone dust. You want your blade over a clean stone washed with water, not dragging though the waste products of the sharpening procedure, especially if you want that mirror polished scalpel like edge. |
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Jaywalker
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| Posted: Fri Mar 30, 2007 1:16 pm Post subject: |
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| Got it, thanks. |
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