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Smoothing A Cylinder
The final 1/8-in. can be removed in two
ways. Either use the 1 -in. skew, working
from center toward both ends and taking
lighter and lighter cuts until finished.
Cutting A Shoulder
A shoulder can be the side of a square
portion left in the workpiece, the side of a
turned section, or the end of the work-
piece. Most shoulders are perpendicular
to work axis; but a shoulder can be at any
angle desired.
First, mark position of the shoulder with a
pencil held to the revolving workpiece.
Then make a sizing cut with the parting
tool, placing this cut about 1/16-in. outside
the shoulder position, and cutting to within
about l/8-in. of the depth desired for the
area outside of the shoulder. If shoulder is
shallow, the toe of the skew can be used
to make the sizing cut; but do not go in
deeper than l/8-in. with the skew unless
wider and wider vees are cut to provide
clearance for this tool.
Use the gouge to remove any waste stock
outside of shoulder-and smooth this sec-
tion, up to within l/8-in.of the shoulder, in
usual manner. Finishing of the shoulder,
unless it is more than 1 -in. high, is best
done with the 1/2-in. skew. First, toe of
skew is used to remove thin shavings
from the side of the shoulder - down to fin-
ish size. Hold skew so that bottom edge of
bevel next to shoulder will be very nearly
parallel to side of shoulder, but with cut-
ting edge turned away at the top so that
only the extreme toe will do the cutting. If
cutting edge is flat against shoulder, the
chisel will run. Start with handle low, and
raise handle to advance toe into the work.
Cut down to finished diameter of outside
area; then clean out the corner by
advancing heel of the skew into it along
the surface of the outside area. Tilt the
cutting edge, with handle raised up, so
that only the extreme heel does this cut-
ting.
If shoulder is at end of work, the process
is called squaring the end. In this case,
reduce outer portion to a diameter about
1/4-in. larger than tool center diameter,
then later saw off the waste stock.
Parting
Tool
Pencil
Mark
Pencil
Mark
Skew
Bevel
W
rong Right