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Lee Valley Grinding Jig

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Forum topic by Gerald Thompson posted 05-21-2018 07:50 PM 391 views 0 times favorited 4 replies Add to Favorites Watch
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Gerald Thompson

1049 posts in 2319 days


05-21-2018 07:50 PM

I cannot figure out/understand the jig that has the rest, clamp and setting the angles with gauge provided. My wife and I have gone over and over the directions and they make no sense to us. I am out of practice blades and had to take my smoother to a service to have reground to 25d. I had messed it up that bad.
I just don’t know how to adjust the rest to grind a 25c bevel in a 1/8th inch blade. Free hand is out.
Thank you.

-- Jerry


4 replies so far

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Gerald Thompson

1049 posts in 2319 days


#1 posted 05-21-2018 08:03 PM

I answered my own question. You Tube!

-- Jerry

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dca

25 posts in 110 days


#2 posted 05-22-2018 01:30 AM

Gerald,

I know you said you answered your own question but I was in your shoes a couple of months ago with a grinder I had purchased to set the primary angle on blades and I did an immense amount of research on every jig out there.

If you’re happy with your setup then by all means stick with it.

But if you’re messing up your blades please lookup Ian Kirby’s setup – essentially a long metal rod setup close to the grinding wheels. You can just use your regular honing guide on it, or eventually do it free hand. I had a metal rod laying around and gave it a shot and it’s worked wonderfully.

If you check out the reviews on this Amazon link you’ll see a great overview of it.

https://www.amazon.com/dp/0941936767/ref=olp_product_details?_encoding=UTF8&me=

I’ve since stopped even using the honing guide and just freehand both chisels and plane blades when needed.

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Gerald Thompson

1049 posts in 2319 days


#3 posted 05-22-2018 02:01 AM

I gave up on hand sharpening. I could do it for some years then I couldn’t. Maybe age or who knows. I am now trying to get the edge tools where they should be. Thanks for the input.

-- Jerry

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Gerald Thompson

1049 posts in 2319 days


#4 posted 05-25-2018 05:05 PM

I have finally reached the decision that my grinder will be used for the lawn mower blade. I have spent over two hours setting up the Lee Valley Jig as seen on YouTube. I got it square and @ 25d as far as I could tell. The long story short is I am going to take all of my plane irons and maybe chisels to a sharpening service when they need to be trued up.
I feel once I get them to 25d I can use my hand jig to keep them sharp.
The best I got off of the grinder was square and close to 25d. I got it adjusted in the hand jig and it started taking material from about 1/3 of one end. It would take hours, even with the coarse diamond plate, to remove the rest of the material.
It is odd that I used to do sharpening on stones free hand and get it done as it should be. At least I am at peace with it all and know to stay away from grinding

-- Jerry

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