How To Sharpen A Metal Lathe Parting Tool
In profile this looks just like a worn tool.
How to sharpen a metal lathe parting tool. Point it invariably rounds the edges blunting the tool and causing rubbing just below the actual cutting edge. Video on how to properly sharpen and use HSS parting blades. Shown below is what Ive put together to achieve the level of accuracy desired.
If you sharpen these using a V-pocket be careful the tip of the tool is above the centerline of the wheel. The un-skewed cutting edge of the parting tools actually makes them much easer to sharpen. Bits to be sharpened.
Turn the parting tool over and do the opposite side for the same amount of time. Inspect the parting tool closely before using. Shaping skew chisels are pretty easy to do as well.
In particular the angles must be precise for best cutting action. I shattered my parting tool while making a 3 inch cut. In general the method is to use either a grinder or belt sander and then finish with a hone.
The work was fed across the edge of the grinding wheel with a light inward pressure to make the cut. For a while now Ive wanted to have a way to sharpen my metal lathe cutting tools. Grinding the side face of the tool.
Grinding angles start on next page ROUGHING GOUGE. Ad China Metal Lathe. Maximize Cutting Tool Stiffness.
