How To Make A Metal Lathe Parting Tool

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How to make a metal lathe parting tool. Parting tools of almost any sort seldom give the best possible finish. I took a practice cut on some 1 diameter aluminum rod. Not a very good shot but it does show the thickness.

A little low will cause atendency to dig in. Make sure the leadscrew is in the neutral position so thatthe leadscrew is not moving. This video covers how to properly grind the tool how to set the tool so it is ri.

This can be done several ways. Set of 2 HSS Blades 332 x 12 Wide x 4 Long for Lathe Parting Cut off Tool Holders. Notice there is a lot of positive back rake on the tool as well as plenty of side relief.

You have to remove more material to make a parting tool than most any of the other blade types. Next I took the blade over to the disk sander and ground it down to bare metal. I got it looking nice and shiney looked pretty good.

This was on a 14 blank and it probably took me a good 15 to 20 minutes of grinding to get it right. Ive always been a fan of upcycling tools and tools made from scrap. The idea is to cut one segment out of the saw disk with a carbide tooth on it and secure it onto a shank made from mild steel milled to 38 8 mm square one and half inches long.

I then cut the end of the blade off to square it off and I cut and ground down the teeth. So the task of cutting a groove is very similar to parting off. This is two parts.