How To Use A Parting Off Tool

Choose an insert geometry designed for parting-off.

How to use a parting off tool. The other hand is ready to catch the turning as the wood separates and comes off of the lathe. About Press Copyright Contact us Creators Advertise Developers Terms Privacy. Otherwise Ill sweep an indicator and tram the parting tool just as you would a mill vise.

This is what happened. Adding an angle to the tool longer at which side of the cut you need to save allows the cut off part to be held a little longer so you end up with a reasonably burr free part that you cut off. Step 3 if the cutting edge is below the center there will be an undesired pip at the end of the operation.

Use a tool with the shortest possible overhang and a secure insert clamping for best stability. I then cut the end of the blade off to square it off and I cut and ground down the teeth. Step 1 start of parting off operation.

As seen in the images below if the cutting edge is below center the edge will leave a pip on the last step near center. First you must have a sharp tool with the correct relief angle at the point. Use a peeling cut to form a groove about 14 deep near the middle of the piece.

This method lets you part your spindle projects safely off of the lathe. This video describes and demonstrates the proper use of the parting tool on a lathe. With the lathe Off place the tool about 12 to the right of the groove and find the position where the cutting edge just begins to engage the wood with the bevel rubbing.

When parting-off a component bar or tube it is important to save material and minimize cutting force. Cutting technique as well as different uses for the tool are covered. Other uses include things such as cutting the head off a bolt.