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Lathe Rotation
To produce the best results, use a test piece
similar to workpiece to verify proper lathe spindle
speed settings. Proper lathe and grinder rotation
orientation will ensure a cleaner finished product.
Both the lathe and the external grinding wheel
should rotate clockwise, as illustrated in Figure 7.
When using the internal wheel, set lathe rotation
to counterclockwise.
External
Wheel
Internal
Wheel
Figure 7. Correct lathe rotations.
Model T27400 (Mfd. Since 02/15)
Workpiece
Workpiece
Wheel Care
When grinding, the safety of operator and bystand-
ers depends primarily on the condition of the
wheel. A wheel in poor condition could break
apart during rotation and injure the operator or
nearby bystanders.
Here are some tips to help you avoid breaking
the wheel:
•
Always transport, store and handle wheels
with care. Wheels may be damaged if they
are dropped or if heavy objects are stacked
on them.
•
Select the right grinding wheel for the job.
Attempting to use an external wheel for an
internal grinding operation, or vice versa, will
not work and will increase the risk of personal
injury and property damage.
•
Only use wheels that are rated for the RPM
of the tool grinder.
•
Mount the wheel properly (see Installing/
Removing Grinding Wheel on Page 24).
•
Do not abuse the wheel by jamming it into
the workpiece with excessive force, or by
allowing the workpiece to become overly hot
during operation.
•
Do not store wheels in damp or wet locations.
•
Do not overtighten the nut when mounting the
wheel.
•
Do not leave the wheel mounted when
machine is not in use.
-17-
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