Bevel & Mitre Operations; Dado Cutting - Powermatic 72A Instruction Manual & Parts List

6. Stop rods can be used in the holes provided in
the mitre gauge for repetitive work of equal length.
Do not use a stop rod on the free end of a workpiece.
It should be used on the side of the mitre gauge oppo-
site the saw blade.
7. Have the blade extend about 1/8" above the top
of the workpiece. Exposing the blade above this point
can be hazardous.
BEVEL & MITRE OPERATIONS
1. A bevel cut is a special type of operation where
the saw blade is tilted at an angle less than 90 de-
grees to the table top. See Figure 32. Operations
are performed in the same manner as ripping or cross-
cutting except the fence or mitre gauge should be
used on the right-hand side of the saw blade to pro-
vide added safety in avoiding a binding action between
the saw blade and the table top. When beveling with
the mitre gauge, the workpiece must be held firmly to
prevent creeping.
2. Crosscuts made at an angle to the edge of the
workpiece are called mitres. See Figure 33. Set the
mitre gauge at the required angle, lock the mitre gauge,
and make the cut the same as a normal crosscut
except the workpiece must be held extra firmly to
prevent creeping.
NOTE: When making compound mitres (with blade
tilted) use the mitre gauge in the right hand slot to
provide more hand clearance and safety.
3. Have the blade extend only 1/8" above the top of
the workpiece. Exposing the blade above this point
can be hazardous.

DADO CUTTING

Dadoing is cutting a wide groove into a workpiece or
cutting a rabbet along the edge of a workpiece. A
dado insert is necessary for this type of operation.
Figure 34 shows an example of a dado insert.
CAUTION: Do not use the standard table
!
insert for dadoing operations.
The process of cutting 1/8" to 13/16" grooves in
workpieces is accomplished by the use of a stacked
dado blade set or an adjustable type blade mounted
on the saw arbor. By using various combinations of
the stacked dado blades, or properly setting the dial
on an adjustable blade, an accurate width dado can
be made. This is very useful for shelving, making
joints, tenoning, etc.
FIGURE 32
FIGURE 33
FIGURE 34
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