How To Grind A Parting Tool

This will result in a stable parting tool set-up.

How to grind a parting tool. You can apply a degree of back rake at the same time too if you desire. Try placing a quarter in front of the wood block that should work. A demonstration on how to sharpen a lathe parting tool.

90 blanks in RL versions are also available mainly for use in the aerospace industry. To use the blade needs grinding back on the top surface for as long as you desire in front of the clamping area removing the top surface to below the bevel. The same techniques used to sharpen a skew can be applied to these tools so let me refer you to the article on sharpening skews.

Ensure the parting tool is perpendicular to the face of the chuck you can use a 1-2-3 block whose surfaces are ground to be parallel to one another. If the tool is a little high it will have a tendency to climb the work. Being excited I went to the wood lathe to try out the new parting tool.

A different and very effective grind for your parting blade. These blanks have flat tops which allow for the grinding of many different shapes. How do you know when the grind is getting to the tip.

Recommended clamping length is 4 x bar diameter d. What you dont want to do is grind rake into the top of the blade. Large adaptors can be clamped using two split bearing caps.

The un-skewed cutting edge of the parting tools actually makes them much easer to sharpen. You can use whatever back rake you like if you achieve it by angling the entire blade like the Aloris holder. Grinding down too far will have the effect of reducing the blade width and so limits the depth the tool can be plunged.