How To Grind A Parting Tool

Straight blanks for grinding parting tools are available in 9 widths from 23116 mm 00910457 inch.

How to grind a parting tool. Instead grind the profile first by feeding the nose of the tool into a sharpening machine. Took it over to the 1 belt sander cleaned up the blade a little more and fine tuned the wood edges. This video discusses the basic setup of a parting tool for the best results.

For a parting cut the top of the tool should be exactly on the center line of the lathe or no more than005 above the center line. 90 blanks in RL versions are also available mainly for use in the aerospace industry. You could also simply slide the tool further out of the Varigrind increase the stick-out after grinding the tool and quickly grind back the heel.

A demonstration on how to sharpen a lathe parting tool. Do not grind on the top or sides just the front-end. This includes the rectangular and diamond parting tools as well as the much wider beadingparting tool.

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. Recommended clamping length is 4 x bar diameter d. Put the tool on center if you put the tip below center you run the real risk of having the part roll over the bit this breaks things.

The un-skewed cutting edge of the parting tools actually makes them much easer to sharpen. This video covers how to properly grind the tool how to set the tool so it is ri. Grinding the end face of the tool The grinding rest was tipped to give the required end relief angle and the fence adjusted to give the front cutting edge angle.

Try placing a quarter in front of the wood block that should work. Being excited I went to the wood lathe to try out the new parting tool. First setting proper tool height will minimize the nib.