Grinding and Polishing Stones:
United States Supply Co., Inc. has supplied the
gravure cylinder manufacturing industry with
the highest quality of grinding and polishing
wheels for over 12 years. The consistency and
durability of these stones is unrivaled in todays
market. Our PVA line of stones ranges from
320 grit to 3000 grit. These stones contain the
finest bonding matrix available for the most
consistent, stone to stone repeatability available.
Primary Application for PVA stones:
GSW 320 - Rough grinding to within .003 of finish size, remove tool marks
GSW 400 - Rough grinding to within .003 of finish size, remove tool marks
GSW 600 - Rough grinding to within .002 of finish size, prepare for polishing
GSW 800 - Polishing to within .001 of finish size, prepare for fine or
polishing ..32 Ra
GSW 1500 - Medium finish, on size .13 Ra
GSW 3000 - Final finish .05 Ra
For operations that circumstances that require
considerable stock removal prior to using our GSW
line, we also offer a line of resinoid stones. These
stones range from 200grit to 400 grit and are capable
of removing .008 or more in just a few passes, while
leaving a finish that is more easily be polished
in the following steps by our GSW stones.
FMAR 220 - Rough grinding for removal of .008" or more
FMAR 300S - Rough grinding for removal of .006" to .008"
FMAR 400 - Rough grinding for removal of .003 to .006"