Selecting Flywheel Grinding Stones - Van Norman FG5000 Instruction Manual And Parts List

SELECTING FLYWHEEL GRINDING STONES

Harder flywheels require softer grinding wheels, and softer flywheels need harder grinding
wheels. Change the stone to match the flywheel being ground.
experiment to find the best stone suited to a specific application.
STONE PART NO.
HARDNESS REFERENCE NO.
794-8011-34
FG1058
794-8011-36
FG1058S
794-8687-01
FG1059
794-8011-30
FG1057
794-8011-32
FG1057S
794-8633-32
FG1060
794-8011-28
FG1056
794-8011-12
FG1049
794-8011-16
FG1050
NOTE: 10% Discount on Grinding Wheels in Lots of 10 Each
Van Norman
5000/10000 FLYWHEEL GRINDER
SIZE/TYPE WORKPIECE
COLOR HARDNESS MATERIAL
6" Diameter For soft steel flywheels only.
Flared Cup The most free-cutting stone
Ruby on steel.
6" Diameter Same composition as 801134
Straight Side but with straight sides to
Ruby grind flat flywheels only.
3" Diameter For crankshaft mounting flanges,
Flared Cup pressure plate surfaces, automatic
Gray trans. pump bodies and covers.
6" Diameter Best general purpose wheel for
Flared Cup cast iron and medium steel.
Ruby Requires very little dressing.
6" Diameter Same composition as 801130 but
Straight Side with straight sides to grind flat
Ruby flywheels only.
4" Diameter Best wheel for grinding
Flared Cup aluminum.
White
4" Diameter For small, imported flywheels.
Flared Cup Works well on cast iron and
White medium steel.
6" Diameter For use on some cast iron and
Flared Cup ductile iron. Special grit tends to
Ruby be fast cutting and long wearing.
6" Diameter Best all-around stone for billet
Flared Cup steel. Softer wheel requires
White minimum dressing.
16.
It may be necessary to
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