Toolpath roll over

[dkrenfrow]

Good Morning,

I am trying to cut a contoured slot through a part and can't seem to stop the cutter from rolling over when exiting. I'm sure this is something very simple what am I missing?
I attached an image of what I'm trying to avoid. One thing I did try with limited success was going into the advanced settings on the parameters page and setting the "Roll Tool" to "only between surfaces" this worked but I wanted the cutter to exit the part the distance of my containment box. and this setting made it so it stopped at the edge of my part.

I also attached my solid part in a .zip if anyone wants to take a stab at it, I am using Mastercam 2017. My goal was to have the cutter exit the part by .250 on each end, machining just the contoured slot as the rest of the part is finished.

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[gabedrummin]

Try this