feed rate [mm]feed rate [mm] feed rate [mm]feed rate [mm]feed rate [inch] ProGroove™ Feed Values for Grooving Inserts PGU For grooving and parting operations, universal use. Positive chipbreaker groove for light cutting action. Right-hand and left-hand styles with 6° front angle. left-hand neutral right-hand width of cut [mm] 1 Recommended Starting Feed PGM For grooving and parting, also capable of copy and straight turning as well as chamfering. With additional chip forming element for good chip control with varying depths of cut. neutral width of cut [mm] 1 Recommended Starting Feed PGS For low-bur parting with straight flanks and smooth surface finishes. All inserts are recommended for parting and grooving slender workpieces, part diameter <32mm, and thin-wall tubes. left-hand neutral right-hand width of cut [mm] 1 Recommended Starting Feed PGR Full round inserts for profiling, grooving, and copy turning. Very good chip control for broad general use. Accurate, reproducible cutting edge positioning. width of cut [mm] 1 Recommended Starting Feed LG System • 0 and 1 …0 Inserts with wide range of applications in grooving and deep grooving. With additional chip control element for good chip control, even with varying widths of cut. 0 1 …1 Inserts with wide range of uses in grooving and deep grooving of short chipping materials. width of cut [mm] 1 Recommended Starting Feed E94 widia.com