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When cutting crown moulding (
Figure 37
), make a wood-
en V-track that can be clamped to the table. The V-track
must support at least 50% of the workpiece height on
both sides.
Do not use the guide rails that came with your machine
for crown moulding support. If you do, the workpiece
can dislodge and be ejected from the machine, causing
severe injury or damage.
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Depending on the knife profile and the hardness of the
workpiece, to minimize the potential for vibration and
chatter marks on the workpiece, install moulding knives
closer to column rather than farther away (
Figure 38
).
Figure 37.
Crown moulding track.
INCORRECT
Figure 38.
Knife positioning.
CORRECT
CORRECT
INCORRECT
REMEMBER, moulding knives have many different pro-
files, before starting the machine, always verify that
the moulding knives do not contact any part of the
workpiece guide rails, feed roller swing arm, or the
table surface.
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