New Option In Lathe Groove For Multiple Plunges In Mastercam2019… Posted by Sriteja Pasupuleti on December 6, 2018 in Knowledge, Mastercam | 13 Views | Leave a response by #A multiple plunge option has been added to the Lathe Groove toolpath, allowing you to rough a groove with rib cuts. #This method allows for greater stability and less tool deflection, leading to better tool wear and more aggressive feed rates. by