LumberJocks

walnut and juniper knife sharpener

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Project by Greg Sherman posted 07-25-2021 07:19 PM 851 views 1 time favorited 6 comments Add to Favorites Watch

Hey Lumberjocks,
Just thought I would post my latest project, Walnut and Juniper knife sharpener. This is mostly scrap parts and items from the around the shop, Walnut, Juniper, brass and threaded rod. I did buy the Heim swivel joint and a few collar stops. I had the diamond sharpening stones 300, 600 and 1200 grits, I am currently focusing on the 20 degree included angle on the knife blade. I tried to put ins much adjustability as possible – but really focusing on kitchen knives, hence the 20 degrees. Kinda of a fun project; a little work on the metal lathe, modified an offset hinge and some wood work to bring it all home.

Update- I purchased a lower set of diamond stones 250 grit 300 grit 400 grit. I found that these were a better starting point, coming to the conclusion that my knives were so dull that I needed to reestablish the bevel before proceeding to the 400, 600, 1000, and then the 1200.
Thanks for checking out the knife sharpener.
Greg

-- Greg, Brentwood CA http://GregShermanDesigns.com





6 comments so far

View woodbutcherbynight's profile

woodbutcherbynight

10253 posts in 3621 days


#1 posted 07-26-2021 12:48 AM

Pretty slick idea, nice work.

-- Live to tell the stories, they sound better that way.

View swirt's profile

swirt

6519 posts in 4184 days


#2 posted 07-26-2021 02:33 AM

Clever engineering on that, and a beautiful base… that wood is amazing.

-- Galootish log blog, http://www.timberframe-tools.com

View LittleBlackDuck's profile

LittleBlackDuck

7882 posts in 2033 days


#3 posted 07-26-2021 06:27 AM

Neat bit of engineering GS.

Been racking my brain in scenarios that it might not work in… however, most of my useful knives have that stupid curve and are not straight.

-- If your first cut is too short... Take the second cut from the longer end... LBD

View James E McIntyre's profile

James E McIntyre

1460 posts in 2504 days


#4 posted 07-27-2021 03:38 PM

Nice sharpener. Are you planning on giving it a 15* angle? Or staying with the 20 degree which sounds like a good angle.

I was watching videos of Japanese chiefs sharpening their knives which takes a lot of practice.

Your tool looks like a foolproof technique.

Where did you get the offset hinge?

-- James E McIntyre

View Greg Sherman 's profile

Greg Sherman

129 posts in 2186 days


#5 posted 07-29-2021 11:30 AM

The offset hinge is from Lowes- although hard to find. I am sticking with the 20 degree included angle . The 18-22 degrees is recommended for kitchen knives. A fillet knife may require a steeper angle like 15 included, where a a chopper my be toward 26-28 included angle.

-- Greg, Brentwood CA http://GregShermanDesigns.com

View JCinVA's profile

JCinVA

245 posts in 2042 days


#6 posted 08-09-2021 06:51 AM

Clever design and +1 on the beautiful base.

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