How To Grind A Lathe Parting Tool

What you dont want to do is grind rake into the top of the blade.
How to grind a lathe parting tool. It will have to wait a bit however as the queue is backed up. Sharpen square- or round-nose scrapers on a bench grinder. Turn the grinder on and lower the tip of the parting tool onto the moving grinding wheel for a few seconds.
Grinding the side face of the tool. Turn the parting tool over and do the opposite side for the same amount of time. Lightly touch the tool to the wheel and then swing a round-nose tool Photo A or slide a square-edge one Photo B against the wheel maintaining the end contour.
1 Its difficult to sharpen the bevels of a parting tool and arrive at the correct side profile with the ears leading the nose. Being excited I went to the wood lathe to try out the new parting tool. The grinding rest was tipped to give the required side clearance relief and the fence adjusted to give the side cutting edge angle.
Ad Easy to Use - Laser Fits in Spindle 4-Axis 00002 resolutn Fast Setup. If using an indexable part-off tool check that the cutting insert is in good condition. My most immediate need is to grind a single point cutter for ACME threads.
Parting is one of the most misunderstood machining operations on the lathe. Another important step is to make sure the cutting tip of your parting tool is right on the center line of the piece you are parting. When ground flat on the platform not vertical it will have a flat edge rather than a hollow-grind.
To be clear the back rake angle on the P-parallel bits is best controlled by the choice of tool holder. Grinding down too far will have the effect of reducing the blade width and so limits the depth the tool can be plunged. Took it over to the 1 belt sander cleaned up the blade a little more and fine tuned the wood edges.