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 Post subject: newbie questions
PostPosted: Fri Mar 29, 2013 9:58 am 

Joined: Fri Mar 29, 2013 12:42 am
Posts: 4
I just got a combination waterstone (1k/4k) and I just went by the labels at first. Started with the 1k on my crappy knives then went to the 4k. Later I noticed that the 4k seems a lot more porous and a lot less smooth than the 1k. I was under the impression that it should be the opposite. I feel really stupid posting this.... but I thought the 1k was supposed to be a lot rougher than the 4k. yes/no?

Also I did it free hand because most people don't seem to recommend sharpening guides... but when I drew out a 15deg angle and a 20 deg angle I couldn't really even see much of a difference with my eyes. This is discouraging to me because that means if I can't see a difference, I most certainly am not holding a precise angle to my knife. blah.


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 Post subject: Re: newbie questions
PostPosted: Fri Mar 29, 2013 10:05 am 

Joined: Wed Apr 25, 2012 10:29 am
Posts: 625
Location: Philippines
a pic might help.

and you might have the grits reversed. =D


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 Post subject: Re: newbie questions
PostPosted: Fri Mar 29, 2013 2:13 pm 
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Joined: Mon Apr 23, 2012 7:36 pm
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Yeah, a picture would be helpful. But, in the interim....

The 4k should feel a lot smoother. Porous I'm not sure, but it should definitely feel smoother. The sound when grinding on a 1k should sound a lot harsher than when on a 4k as well.

So, you're correct.

The angle thing....yeah, that's tough. Over the years, I've learned fairly well what the angle are by looking, but I've been sharpening for a few years now. At the end of the day, one thing I always try to remember....."Does the knife cut well?". If the answer is yes, what does it matter? If it doesn't, maybe you should go thinner/lower angle until it cuts good. If it doesn't cut good until you have an edge that fails easily....that might not be a good knife for you.

As to holding a consistent angle, that gets easier too. You learn to feel the bevel on the stone....you can tell when you wobble. You can also hear it a lot of times too.....the grinding sounds different.



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 Post subject: Re: newbie questions
PostPosted: Sun Mar 31, 2013 8:52 am 
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Joined: Wed Jan 30, 2013 8:06 am
Posts: 388
Location: Peoples Republic of Massachusetts
I have a 4k/8k norton combo stone and until i lapped the 8k, it felt coarser than my 1k. Almost had a rubbery/gritty feeling like it was coated. After lapping/flattening it feels like an 8k :)

Chris


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 Post subject: Re: newbie questions
PostPosted: Sun Mar 31, 2013 3:13 pm 
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Joined: Thu Nov 22, 2012 4:17 am
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The light colored side is "usually" the higher grit on a combination stone.



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 Post subject: Re: newbie questions
PostPosted: Sun Mar 31, 2013 5:24 pm 

Joined: Fri Mar 29, 2013 12:42 am
Posts: 4
Here it is. Gray feels smoother than white.

https://picasaweb.google.com/1131544251 ... bORna25swE


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 Post subject: Re: newbie questions
PostPosted: Sun Mar 31, 2013 6:25 pm 

Joined: Wed Apr 25, 2012 10:29 am
Posts: 625
Location: Philippines
try to lap it like sharkbite says with a flattening stone or a diamond plate.


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 Post subject: Re: newbie questions
PostPosted: Sun Mar 31, 2013 11:47 pm 
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Location: Peoples Republic of Massachusetts
Yes, my norton's 4k is white, the 8k is yellow. Lapping it made all the difference in the world.

Chris


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 Post subject: Re: newbie questions
PostPosted: Tue Apr 02, 2013 4:17 pm 
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Interesting to see this type of problem, I doubt anyone's ever said this about Shaptons... :mrgreen:

Yes, just like the previous have stated, lap those stones. You should notice the 1k will cut faster and the 4k get smoother.



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 Post subject: Re: newbie questions
PostPosted: Wed Apr 03, 2013 1:19 am 
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Joined: Wed Jan 30, 2013 8:06 am
Posts: 388
Location: Peoples Republic of Massachusetts
I'm sure you're right Shaun. I know I went 'cheap' combo because I figured I'd end up trashing the stone learning how to sharpen. So far, so good....I've only gouged the 8k badly once :P With my current 'novice' skills, I need a green brick so if I mess it up, there's plenty left to flatten :)

Chris


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