How to Sharpen a Knife – Video
Step 1: Place blade on bench grinder with long side of blade parallel to grinding wheel. Step 2: As grindstone rotates and draws the blade toward it, press down steadily but gently on cutter with your left hand until you have a 30° “feeling” angle. Don’t touch the grinding wheel or your fingers will become a messy treat for the bench dogs. For more information about how to sharpen a knife with a bench grinder check out this instructional video.
Step 2: With Angle Grinder Tricks – Video
Step 3: Touch No Stones – Video
Step 4: Lock Down Guide Plate – Video
Step 5: Grind Away – Video Hardware and Supplies You will need the following items ( which can be purchased at any hardware store): 15 MM TCT End Mill cutter
Step 6: Deburring and Clean Up – Video You can order this ceramic burr at Lee Valley. Final Steps Use a bench grinder with a Ceramic Burr to debur the edge of your knife blade.
Step 7: Sharpening the Edge – Video A more detailed instruction with pictures can be found here. Close Metal File
Step 8: Touch Up and Polish – Video Using a metal file, polish both sides of your blade. Then stroke both sides of the blade gently with a polishing cloth. This should give you a sharp edge. Clamp Down Guide Plate
Step 9: Side and End Angle – Video Check out this photo to see the side and end angle. The top edge should be 20 degrees and the bottom edge should be 25 degrees. Do this on both sides of the blade.
Step 10: Use a ruler to check the angle of your blade with calipers. You will also want to use a ruler to make sure you have a uniform thickness across your blade. Otherwise it might be too weak in the middle.