5.2.1 Cut Styles
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CUTTER
MOTION
BARB
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CUTTER
MOTION
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CUTTER
MOTION
1. The Plunge Cut (PLUNGE) is the standard cut style.
It is made when the cutter comes straight down into
the blank, backs off, and moves in again to make the
next cut after the carriage has moved to the next cut
position.
2. A Contour Cut (CONT) eliminates peaks between
cuts. It is created when the cutter moves forward to
make the first cut, and then moves straight laterally to
the next position before moving in to cut the next
depth in the sequence.
3. A Contour with Barb Cut (CONT-B) eliminates peaks
but leaves the end of the key uncut for key retention.
It is made when the cutter moves forward to make the
first cut, and then moves straight laterally to the next
position,and upon the last cut, moves outward to create
the characteristic barb on the key blade end.
CUTTER
MOTION
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CUTTER
MOTION
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BARB
4. A Smooth Cut (SMOOTH) is made by the cutter wheel
moving from depth to depth across the key blade at an
angle instead of straight. It determines the best angle
between cuts with no peaks.
5. A Smooth with Barb Cut (SMTH-B) is made like the
Smooth Cut, with the cutter following at an angle, and
then withdrawing after the last cut to form the
characteristic barb. It determines the best angle but
leaves the end of the key uncut for key retention.
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