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Re: M390 sharping and polishing

Thu Sep 20, 2012 4:25 am

Well done there - the worst work is over - the bevel has been set to your liking - now it is just maintenance.....actually a breeze from here on........

:)

Re: M390 sharping and polishing

Thu Sep 20, 2012 4:39 am

I just used it at home to make a simple dinner, its so sharp right now its cutting the cutting board. I cant wait to use it at work tomorrow.

Re: M390 sharping and polishing

Thu Sep 20, 2012 4:52 am

MadRookie wrote:Well done there - the worst work is over - the bevel has been set to your liking - now it is just maintenance.....actually a breeze from here on........

:)


BTW what grit are you using to maintain your m390? I was thinking just use jnats and hit it with the shapton 1k glass once in a while.

Re: M390 sharping and polishing

Thu Sep 20, 2012 5:03 am

I strop with 1µ Boron Carbide on leather after each use - takes months before I have to return to the stones - when I have to I use only 2 stones....

1k then jump to 16k Shapton Glass to polish teeth - more push cut orientated

OR

500 grit then jump to 8k Shapton Glass to polish teeth - more slice cut orientated

I use an EP Pro and the above takes me like 10 minutes max.

:)

Re: M390 sharping and polishing

Thu Sep 20, 2012 7:35 am

Good info guys, I have 30 m390 Artifex to sharpen soon!

Re: M390 sharping and polishing

Thu Sep 20, 2012 1:31 pm

chopping onions is more like slice and carrots more like push cut. The knife is sharp out of the box, but not as sharp as it feels when I tried shopping straight down(rough chop onions and carrots for stocks).

Re: M390 sharping and polishing

Thu Sep 20, 2012 2:09 pm

How do you guys think Shapton pro stones would perform on M390? (Higher grits, say above 2K) And Chosera stones, 5K and 10K? Any experiences?

Re: M390 sharping and polishing

Thu Sep 20, 2012 2:49 pm

The Choseras higher up suck at M390, so do the lower grits for bevel setting.

The Shapton Pros do a dash better, but not by much.

The Glass rocks though.

:)

Re: M390 sharping and polishing

Thu Sep 20, 2012 8:27 pm

Ok MadRookie, I have a Bester 500, Bester 1200, Synthetic Blue Aoto, San Aoto (3-5K), Shapton Pro 2K, a 3K/8K combo ceramic stone, Rika 5K, Shobu San, Ozuka Asagi, Takashima Koppa.

I'm thinking Bester 500, Bester 1200, Shapton Pro 2K, Rika 5K, then the J Nat Shobu and Ozuka Asagi? This sound OK? I don't have Glass Stones yet. I will rough the bevels in with my belt sander.

Re: M390 sharping and polishing

Fri Sep 21, 2012 4:29 am

Ultimately whatever you have at your disposal stone wise would work.....it will just be a PITA & take soooooo much longer to achieve the same results on correctly heat treated M390.

So I am not advocating dumping all existing stones & blowing your money on Glass stones - if you can live with the above comment, then so be it.

The Shapton Glass stones IMHO just rocks on any steel - fast, clean, precise & slow dishing - it has become my main stones I use.

:)
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