Sandvik Coromant Parting and grooving - users guide - Manual (Page 72)

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CoroMill 328 is used for internal and exter-
nal circlip grooves and with diameters over
39 mm. CoroMill 328 has one insert size for
circlip widths from 1.3–5.15 mm.
CoroMill 328 comes with Weldon, arbor
or bore with keyway mounting in 4 diam-
eters from 39–80 mm and 3–8 inserts with 3
indexable cutting edges for high productive
economic machining. Sharp cutting edges
generate high quality grooves with depth up
to 5.0 mm.
Recommended grade and cutting data
Starting grade GC1025.
Cutting speed 250m/min and feed per tooth f
z
0.04 mm.
For more cutting data, see the Main catalogue.
CoroMill 328 – grooving cutter for milling
applications
Be aware, the CoroMill 327 inserts do not fit MB tools and vice versa. •
For new toolholders, preload the tip-seat by mounting and or remounting the insert a few •
times prior to cutting.
Recommended grade and cutting data
Starting grade GC1025.
Cutting speed 250m/min and feed per tooth fz 0.04 mm.
For more cutting data, see the Main catalogue.
Practical hints