Using A Parting Tool

Parting or cutoff is the operation of cutting a piece off by slicing a groove all the way through it with a special parting tool or cut off tool.

Using a parting tool. A cutoff tool ground from HSS. A parting tool is also used to cut narrow slots wherever such a slot is needed. Inspect the parting tool closely before using.

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. The tool is held in a small sub holder. Parting or Cutoff Operations In parting operations the workpiece rotates while the tool carries out a radial feed movement.

If using HSS parting blades grind andor hone the cutting edge to ensure its sharp. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy. Parting uses a blade-like cutting tool plunged directly into the workpiece to cut off the workpiece at a specific length.

A diamond parting tool has a flattened-diamond cross section. For example slots may be cut into a spindle blank to establish the diameter the spindle is to have at that point. If using an indexable part-off tool check that the cutting insert is in good condition.

This video describes and demonstrates the proper use of the parting tool on a lathe. The slot is cut 16 mm wide 12 mm deep and at an angle of 5 degrees. As with face turning the tool is fed from the periphery of the workpiece toward the center and the cutting speed is reduced to zero but here the similarities end.

The main advantage is that the swarf falls down more easily and does not clog up. Parting tools can be used to part wood but also to create beads and turn other details in wood. The tool holder as seen from the parting side.