Wheel Dresser - Van Norman FG5000 Instruction Manual And Parts List

1. Since it may be impossible to accurately match the grinding wheel material and hardness to
the metal alloy being ground, it may become necessary on some applications to dress the
grinding wheel after use. The purpose in dressing the wheel is to remove that portion of the
wheel's edge which has become dull and/or clogged with particles causing a decrease in
cutting ability. A clean grinding wheel will be evident and very little heat will be generated in
the work piece. Under ideal circumstances, the grinding wheel will break down during
grinding at a rate sufficient to keep sharp. clean particles exposed on the grinding edge. If
the grinding rate decreases noticeably as evident by a decrease in the shower of sparks, it
will be necessary to dress the wheel. This should be accomplished by raising the wheel up
far enough so that the dresser can swing under the wheel. The dresser height is changed
by rotating the adjustment collar (Figure 17).
2. Adjust wheel guard and install shroud door for maximum protection. (No coolant is needed
for the dressing operation). Start grinding motor. Carefully swing the dresser back and forth
under the front edge of the grinding wheel, gradually rotating the dresser adjustment collar
to raise the dresser until contact is made. Only a small amount of material has to be
removed to obtain a new grinding edge.
Van Norman
OPERATION (continued)
Wheel
dresser
Adjustment
Collar

WHEEL DRESSER

25.
5000/10000 FLYWHEEL GRINDER
Figure 17
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