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marcusVTS4U
497 Views, 3 Replies

Turning - unable to program undercut groove with tool held at 45 degree angle

Hello all, I've run into an issue that I have not seen addressed after searching through the forums. I am trying to program cutting a small undercut o-ring groove as shown below using this face grooving tool (link) held at a 45 deg angle.

 

When creating the tool, you have the option to orient it at a 45 deg angle, however then the tip tangent point is wrong (for a fixed 45 deg angle at least) and the tool is not valid for most toolpaths (this error). So I created the tool as a standard round insert tool at the standard 0 deg orientation and omitted the holder, but it will not groove in Z even with "Allow radial and axial grooving" selected (second image). Maybe that is because it is a turning general tool, but trying a grooving tool does not work because they cannot be defined as just a circle, they have an extension and again cannot be oriented at 45 deg in the tool setup. The option to change the orientation for the operation does not appear and I am not sure it would be correct for the compensation point.

 

Thanks in advance for any help you can provide!

 

Screenshot 2024-06-28 234238.png