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4. Cutting various sizes of plastic pipe is an easy job
with the miter saw, as shown in Fig. 30.
CUTTING ALUMINUM
Aluminum extrusions such as used for making aluminum
screens and storm windows can easily be cut with your
miter saw. When cutting aluminum extrusions, or other
sections that can be cut with a saw blade and are with-
in the capacity of the machine, position the material so
the blade is cutting through the smallest cross-section,
as shown in Fig. 31. The wrong way to cut aluminum
angles is illustrated in Fig. 32. Be sure to apply a stick
wax (similar to Johnson’s stick wax #140) to the blade
before cutting any aluminum stock. This stick wax is
available at most industrial mill supply houses. The stick
wax provides proper lubrication and keeps chips from
adhering to the blade. NEVER APPLY A LUBRICANT
TO THE BLADE WHILE THE MACHINE IS RUNNING.
CUTTING BOWED MATERIAL
When cutting flat pieces, first check to see if the mater-
ial is bowed. If it is, make sure the material is positioned
on the table as shown in Fig. 33.
If the material is positioned the wrong way, as shown in
Fig. 34, the workpiece will pinch the blade near the com-
pletion of the cut.
Fig. 31
Fig. 32
Fig. 30
Fig. 33
Fig. 34