How To Use A Lathe Parting Tool
Grab a parting tool to form tenons or grooves cut in to specific diameters for reference points or of course separate or part a turning into multiple pieces.
How to use a lathe parting tool. This video covers how to properly grind the tool how to set the tool so it is ri. Everything from 4140 to plastics have been parted without issues this way. We recommend to use a sub-spindle if available.
Hollow the interior of the bowl and finish both sides of the bowl. I got it looking nice and shiney looked pretty good. Then advance the cut toward the groove by pivoting the tool on the tool rest.
Parting can be seen as simply cutting a groove in a workpiece that is so deep that it cuts the workpiece off the bar. I shaped the end of the blade like the Sorby Parting Tool double angle look. When machining with long overhangs it is especially important to mount the bar correctly to ensure enough clamping contact.
This cut is always at right angles to the axis of the lathe. If it cannot be mounted in the rear then it will do better with the tool mounted in front with the blade upside down and the lathe run in reverse. Parting is one of the most misunderstood machining operations on the lathe.
These parting tools are generally thin blades of HSS but there are also carbide insert parting tools available for the task or you can grind a cutoff tool out of HSS. Just an experienced opinion that a light lathe is better off with a rear mounted parting tool if it can be solidly mounted there and the lathe run in the normal direction. A standard 18 -wide flat-blade parting tool fills the bill for most turners.
It is normally used to remove the finished end of a workpiece from the bar stock that is clamped in the chuck. The idea is to turn an old used sawzall blade into to tool make a handle of wood and used some epoxy and brass rod for rivets or whatever they are called in knive handles. For an optimal parting tool set-up use a tool holder with a short overhang to avoid vibration.