How To Set Up A Parting Off Tool

Ensure that the parting tool is perpendicular to the axis of rotation and that the tip is the same height as the center of the part.

How to set up a parting off tool. Often enough to avoid having to face it off in a second op. If the ruler is not perpendicular to the line from tool tip to center you need to raise or lower to make it perpendicular. Choose an insert geometry designed for parting-off.

Set the tools height lay it against the parts face and lock the tool. A part off tool is not a substitute for a cut off saw. Attach the dial indicator to a Noga holder found in the metrology cabinet and place gently on the guideways DO NOT slide the holder along the guideway.

There will then be a forward component to the forces acting on the tool pulling it into the work and the backlash present will allow the tool to tend to move. The rear toolpost is set up for parting and chamfering. When machining with long overhangs it is especially important to mount the bar correctly to ensure enough clamping contact.

A parting tool properly set up will not leave a tit so make sure things are on center. This video covers how to properly grind the tool how to set the tool so it is ri. Parting tools are used to create narrows grooves and cut off parts of the stock.

The parting tool 116 x 516 x 4 is set at an angle of 5 degrees from the horizontal whilst the chamfering tool is horizontal. Alternatives to a rear tool post for better parting off are-1 Remove the top slide and mount a hefty block tool post direct on the cross slide. Parting is one of the most misunderstood machining operations on the lathe.

I say perpendicular instead. Same thing applies to a facing tool Look at your parting tool and blade and take note of the shape and set up accordingly. As I see it the front mounted tool will tend to be forced downwards while the work is trying to climb the tool.