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Reply by slooper

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Posted on Need some help with chisels/sharpening

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slooper

37 posts in 1978 days


#1 posted 1942 days ago

Wow. Thanks everyone! Every bit of what you’ve all said is very enlightening.

As a result, think I have identified my biggest problem. I checked the squareness of the blade and found it to be a couple degrees off, with the right side being a hair shorter than the left. I don’t know why it didn’t dawn on me at the time, but that would mean that one side, the right side in this case, would be sharper than the other. I don’t have a magnifying glass, so I tested the chisel on some end grain again. But this time, instead of testing the whole width of the blade, I tested the right side only then the left. The right side gave me a fairly smooth cut and the left was as if I were chiseling with my screwdriver! Sigh.

What I failed to mention in my initial post is that my chisels don’t sit well in my honing guide. So it must have been twisted ever so slightly resulting in an uneven edge.

Since I know these chisels don’t hold an edge long enough for a couple mortises, I’ve determined to get some new chisels first. Hopefully, I can find some decent ones that fit my current honing jig. If not, I like the idea of a micro-adjustable wheel.

That all said, I have a couple more questions.

1) What are the optimal grit increments. If I start with 80 or 220, what would be the 2nd, 3rd, etc. grits? With would I typically jump in 40 or 80 grit increments. Is it the same for metal?

2) How long does one typically spend on the first, and then successive grits? I found myself counting a 100 strokes on the higher grits, maybe that was an exercise in futility, I don’t know.

Thanks again,
Slooper


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