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DONAG

Best edge angle for a splitter blade?

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I used to put a micro edge on my splitter blade (Tandy splitter), but found it hard to pull the leather though.

I thought like my woodworking blades.  I was taught to hone the main face and then apply a fine micro edge at the tip.  Works fine for that, but not so much for leather.

I made a strop from a hard piece of leather and glued it to a wood board and tried a micro angle that way and still not great.  Decided to try heavier angles and found about 60 degrees creates a better cutting edge.

Odd that this angle didn't work for a soft leather I have, but sliced through pretty much everything else

Curious what angles others sharpen at?

Thanks

DON

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Micro edge on a plane iron or chisel serves a different purpose.  Other than making it easier to sharpen, it also assists in the wood shaving moving away from the edge and creating less drag.  I question how important that is but there are plenty of sharpening nuts out there.   A machine jointer or planer blade never has a micro bevel. 

I would think whatever the factory grind is or was would be correct.  You must have plenty of blade left to check it out with a bevel gauge.  With such a wide bevel and a 6" or 8" blade it'll take quite a bit of work to flatten it out to get rid of your micro bevel.  I'd be tempted to send it out to be ground and then maintain it's angle.

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11 hours ago, mike02130 said:

Micro edge on a plane iron or chisel serves a different purpose.  Other than making it easier to sharpen, it also assists in the wood shaving moving away from the edge and creating less drag.  I question how important that is but there are plenty of sharpening nuts out there.   A machine jointer or planer blade never has a micro bevel. 

I would think whatever the factory grind is or was would be correct.  You must have plenty of blade left to check it out with a bevel gauge.  With such a wide bevel and a 6" or 8" blade it'll take quite a bit of work to flatten it out to get rid of your micro bevel.  I'd be tempted to send it out to be ground and then maintain it's angle.

I had the blade ground last year as it was not flat and main face has a 30 degree bevel.  Still flat and I do occasionally do the face with my water stones with 1000/4000 grit.

I usually spend about an hour doing the face of the blade to make sure

Thanks

DON

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