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 Post subject: 3000 Naniwa getting gouged - what the heck?
PostPosted: Mon Mar 03, 2014 6:36 pm 

Joined: Sat Jan 18, 2014 9:11 pm
Posts: 220
Location: San Diego
Hello,

I have a set of naniwa stones - 400, 1000, 3000, 6000. I don't use the 400 much, but I do use the other 3 in a standard progression for most of my sharpening needs.

For some reason, the 3000 gets gouged, while I don't currently have a problem with the other 3. I sharpen like shown in CKTG videos - blade edge facing away perpendicularly, going forward and back with equal pressure a certain number of strokes, then moving down the blade edge and doing the same until I reach the tip. The gouging comes at the start/middle of my push stroke. I have been checking my blade angle to make sure that I am not lifting up on the spine, making a more obtuse angle. Can't say that I do. I also thought I may be pressing down too hard on the blade, so I grabbed a kitchen scale and it looks like I am somewhere around 4-5 lbs of pressure, which doesn't sound like too much from what I have read.

Any other thoughts? I clean up the stone after the gouges with a 120 diamond plate, but it still happens frequently. I did have a little bit of the same problem with the 6000 when I first got them, but don't have the issue any more.

For the time being, I have been using the 3000 on pull strokes only, or just not using it at all, and jumping from the 1000 (or 2000 green block I also have) to the 6000. But I'd like to be able to figure this out.

Thanks for any insight.


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 Post subject: Re: 3000 Naniwa getting gouged - what the heck?
PostPosted: Mon Mar 03, 2014 6:44 pm 

Joined: Tue May 29, 2012 12:29 am
Posts: 993
It's a soft stone so gouging can be a issue. Edge trailing strokes will help for now.

Over time you will get better at not gouging the stone but sometimes it just happens.


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 Post subject: Re: 3000 Naniwa getting gouged - what the heck?
PostPosted: Mon Mar 03, 2014 7:34 pm 

Joined: Thu Jan 02, 2014 6:00 am
Posts: 678
Jason summed it up pretty good. Gouging happens to the best of us with soft stones. However this could be a sign you are placing too much pressure.


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 Post subject: Re: 3000 Naniwa getting gouged - what the heck?
PostPosted: Mon Mar 03, 2014 8:17 pm 

Joined: Sat Jan 18, 2014 9:11 pm
Posts: 220
Location: San Diego
Thanks gents. will focus on edge trailing only and lightening up.


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