Fanuc Symbol CAPi T Operators Manual

B–63304EN/02
2. CAUTIONS FOR USING
Symbolic FAPT
VARIOUS FUNCTIONS AND
PRECAUTIONS OF Symbolic FAPT
363
(3)The major cutting edge angle AC is defined as the angle formed by the
major cutting edge angle and the straight line which passes the tool
nose edge and faces just downward.
Cutting edge angle AN is also defined as the angle formed by the major
cutting edge and minor cutting edge.
The counterclockwise angle is specified as the positive direction angle
as shown in the following figure.
(4)If the straight line which passes the tool nose edge and faces just
downward is presumed as a straight line which passes the virtual tool
position, you will be able to understand the meanings of the following
question asked on the CRT screen by the system.
VIRTUAL TOOL POS. XN =. . . . .
ZN =
Input the distance from the virtual tool position to the center of cutting
edge as XN and ZN.
(5)Setting angle AS indicates the setting direction of a tool. Input the
setting angle to the selected drawing format, irrespective of whether
the turret is located on the front side or on the rear side, and presume
that the tool is set on the upper side of the CRT screen if menu number
1 or 2 was selected, or on the lower side of the CRT screen if menu
number 3 or 4 was selected, for drawing format.
The upward direction of the straight line passing the tool nose edge
employed in (2) (direction from the base of the tool to the tool nose)
is employed for indicating the tool direction.
Input the clockwise direction as a negative () angle from the right side
of the abscissa of the CRT screen and also input the counterclockwise
direction as a positive (+) angle.

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