Mortise chisel sharpening angle. But if your chisel is dull its only going to be an exercise in frustration. Worskhop heaven sharpening and using mortice chisels. The chips are a lot smaller and the chisel is a little easier to plunge into the work. If you want to add a microbevel a thin secondary edge right at the tip that makes touch up honing easier then go with 300 for o1 and 350 for a2.
In hardwoods a 20o edge on a chisel just doesnt stand up in any use ive found. That way setting up for future sharpening will go more quickly. I like mortise chisels to have a convex curve on the bevel. End grain paring will require a sharper edge and its typically done with hand pressure only so a sharper angle 20 degrees or even sharper will work well.
Sharpen bench chisels with a 250 bevel angle for best results. Download the angle setting jig pdf on our website for a simple set of plans to build your own stop block sharpening jig. It comes with a quick change handle as well as coarse and fine cone shaped diamond hones capable of sharpening up to 1 2 chisels. For mortise cutting in side grain where the cut doesnt have to be super clean and you pound at the chisel with a mallet you might prefer 30 degrees or even shallower.
In this short video connecticut valley school of woodworking director bob van dyke walks you through his step by step process for sharpening the chisel as well as the inner bit. Heres a picture of the sharpened chisel along with the chips it made. This is how i keep my edges constantly sharp accurate and repeatable with minimal effort. Sharpening a dull chisel ask matt.
Guide to buying a woodworking mortise chisel. Twirl the fine cone inside the end of the chisel by hand to raise a burr then take a few strokes i like 9 in this case on each face with a sharpening stone. Matthew cremona 1357501 views. I grind the bevel on all these chisels at 25o.
Don one of my partners prefers to grind and hone at the same angle so he can both high ends of the hollow ground bevel on the stones for more accurate honing. In this video ill be showing you my personal workflow when it comes to sharpening chisels. Using a hollow chisel mortiser is one of the fastest and most accurate ways to cut a mortise. Mark it with the bevel angle for your mortise chisel.
Mortising chisels like many other bladed tools often require an initial sharpening.