How To Sharpen A Lathe Cut Off Tool

This time is not an exact science since it is affected by so many variables.

How to sharpen a lathe cut off tool. ANY and EVERY lathe tool should be set at dead center heightPERIOD. In this example we are making a normal right handed tool for the lathe. For a while now Ive wanted to have a way to sharpen my metal lathe cutting tools.

With this method you are feeling for a bur. Dip the tool in coolant frequently to keep it from overheating and annealing. One method is to run your thumb across the edge.

If you get better results by not doing soyou are doing something WRONG and need to re-examine the geometry of your tool bit. This is easy to do using a diamond sharpening tool. If using an indexable part-off tool check that the cutting insert is in good condition.

If using HSS parting blades grind andor hone the cutting edge to ensure its sharp. How to Sharpen HSS Cut Off Blade for a Lathe - YouTube. Turn the grinder on and lower the tip of the parting tool onto the moving grinding wheel for a few seconds.

Begin by dressing the grinding wheel. Shown below is what Ive put together to achieve the level of accuracy desired. The bur is what does cutting at the time of lathing a spindle or a bowl.

If you do this you may cut yourself. The grinding rest was tipped to give the required side clearance relief and the fence adjusted to give the side cutting edge angle. Video on how to properly sharpen.