Van Norman FG5000 - Optional Radius Cutter Operation; Radius Cutter Setup and Usage Guide

5000/10000 FLYWHEEL GRINDER
RADIUS CUTTER OPERATION (OPTIONAL)
Before grinding the flywheel or cutting a radius on a recessed flywheel, make certain
the flywheel is accurately centered. A dial indicator may be used. It is not necessary to
use coolant when using the radius cutter
1. On certain applications on a recessed or stepped flywheel such as International,
Mack, etc., it is necessary to remove the slight radius left by the grinding wheel.
This can be accomplished using the optional Radius Cutter (Figure 26).
A
B
2. First, adjust the radius cutter assembly so the cutting tip of the tool bit is positioned
over the center of the table. This can be done by loosening the 3 hex bolts that
attach the radius cutter to the machine (Figure 26A) and sliding the assembly to the
front or back and retighten.
3. The tool bar may be positioned to the correct depth by loosening the 2 cap screws
(Figure 26B) and sliding the bar up or down and retighten. When properly
positioned, the grinding wheel will be about 1/2” above the highest point of the
flywheel when the tool bit is in contact with the radius to be removed. Do not over
extend the tool bar.
4. Loosen the column lock handle. Swing the grinding head to the left side of the
flywheel, so the tip of the tool bit is at its outermost location. Gradually feed the
grinding head down until the radius is removed.
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