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 Post subject: How do YOU check for a burr?
PostPosted: Sat Feb 08, 2014 5:43 pm 

Joined: Fri Jan 17, 2014 6:02 am
Posts: 261
I almost spelled it burre by mistake, woops :)

A wise man once told me to learn every way of doing something, and use that information to figure out what works best for me.

I can easily feel a bur with my finger coming off of 1200 grit, but it seems anything much higher than that I can't really tell. Even the common tests (paper, fingernail etc.) don't seem to give enough feedback to tell whether a. there is a bur b. there is no bur or c. theres a razor edge that will break off once I use the knife in service.

Throw whatever you have at me!


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 Post subject: Re: How do YOU check for a bur?
PostPosted: Sat Feb 08, 2014 6:27 pm 
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Joined: Thu Apr 19, 2012 7:18 pm
Posts: 7187
Location: Madison Wisconsin
I feel for it as well. After about 3k it's hard to feel because there is very little burr being created by finer stones so I just trust my touch at the lower grits, make sure I get rid of it and then use light strokes if I want to go finer and not worry about it.



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 Post subject: Re: How do YOU check for a bur?
PostPosted: Sat Feb 08, 2014 6:31 pm 

Joined: Tue Aug 27, 2013 2:10 pm
Posts: 181
When in doubt, I check with a 40x magnifier.


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 Post subject: Re: How do YOU check for a burr?
PostPosted: Sat Feb 08, 2014 6:52 pm 

Joined: Thu May 24, 2012 6:20 am
Posts: 1285
A burr will make a scratchy feel/sound on a paper towel.


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 Post subject: Re: How do YOU check for a burr?
PostPosted: Sat Feb 08, 2014 7:03 pm 

Joined: Fri Jan 17, 2014 6:02 am
Posts: 261
Can you be more specific cedar? When wiping off the edge, when slicing paper towel?


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 Post subject: Re: How do YOU check for a burr?
PostPosted: Sat Feb 08, 2014 7:32 pm 
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Joined: Tue Feb 05, 2013 6:00 pm
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You can run the paper towel perpendicular to the edge from spine to edge and see if any fibers are caught by a burr. Do this on a dry blade w/dry towel. You might hear it as well. Micro fiber cloths also can work well by sound.


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 Post subject: Re: How do YOU check for a burr?
PostPosted: Sat Feb 08, 2014 7:56 pm 
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Joined: Thu Nov 22, 2012 4:17 am
Posts: 3328
With my fingers.



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 Post subject: Re: How do YOU check for a burr?
PostPosted: Sat Feb 08, 2014 9:33 pm 

Joined: Wed May 16, 2012 1:49 am
Posts: 261
Location: Amstelveen, The Netherlands
In addition only to the previous: cutting the thinnest cigarette paper will learn by sound if all burr debris are gone.


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 Post subject: Re: How do YOU check for a burr?
PostPosted: Sun Feb 09, 2014 12:47 am 

Joined: Thu May 24, 2012 6:20 am
Posts: 1285
"You can run the paper towel perpendicular to the edge from spine to edge and see if any fibers are caught by a burr. Do this on a dry blade w/dry towel."

This. I hear/feel it more than see fibers left behind. I only just heard of this and have experimented with it the last couple of sharpenings. I prefer to use my fingers, but this is a nice way to double check.


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 Post subject: Re: How do YOU check for a burr?
PostPosted: Sun Feb 09, 2014 1:29 am 
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Joined: Tue Oct 30, 2012 12:20 am
Posts: 445
I don't use burr....

Waste of metal.

I sharpen knives like a straight razor (to ~ 8k)

Saves metal.



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