How To Sharpen A Metal Lathe Parting Tool
Need to buy a new cutter now.
How to sharpen a metal lathe parting tool. If using an indexable part-off tool check that the cutting insert is in good condition. This guide will give you the basic steps and equipment needed to keep your lathe tools in top shape. Turn the grinder on and lower the tip of the parting tool onto the moving grinding wheel for a few seconds.
I shattered my parting tool while making a 3 inch cut. Bits to be sharpened. In general the method is to use either a grinder or belt sander and then finish with a hone.
As I noted in my Sharpening Handbook httpsharpeninghandbookinfo these are not easy to sharpen in a normal manner. Turn the parting tool over and do the opposite side for the same amount of time. Shaping skew chisels are pretty easy to do as well.
If you sharpen these using a V-pocket be careful the tip of the tool is above the centerline of the wheel. In profile this looks just like a worn tool. If using HSS parting blades grind andor hone the cutting edge to ensure its sharp.
For a while now Ive wanted to have a way to sharpen my metal lathe cutting tools. Shown below is what Ive put together to achieve the level of accuracy desired. Some people sharpen tools using silicon carbide paper.
Grinding angles start on next page ROUGHING GOUGE. In general the method is to use either a grinder or belt sander and then finish with a hone. Grinding wheel the main instrument for sharpening metal tools since time immemorial.