Heidenhain MANUALplus 4110 User Manual Page 363

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HEIDENHAIN MANUALplus 4110 363
6.20 Face Machining
Linear slot, face G791
G791 mills a slot from the current tool position to the end point. The
slot width equals the diameter of the milling cutter. Oversizes are not
taken into account.
Parameters
X diameter—end point of slot
C end angle—end point of slot—for angle direction, see graphic
support window
XK end point of slot (Cartesian coordinates)
YK end point of slot (Cartesian coordinates)
K length of slot—referenced to the cutter center
A angle of slot—reference: see graphic support window
Z milling floor
J milling depth
J is defined: The tool approaches to safety clearance and then
mills the slot.
J is not defined: The milling cycle starts from the tool position.
P maximum infeed (default: Total depth in one infeed)
F feed rate for infeed (default: Active feed rate)
Possible parameter combinations for definition of the end point:
Diameter X, end angle C
End point XK, YK
Slot length K, angle A
Notes:
Rotate the spindle to the desired angle position before calling G791.
If you use a spindle positioning device (no C axis), an axial slot is
machined centrically to the rotary axis.
Example: G791
%791.nc
[G791]
N1 T70 G197 S1200 G195 F0.2 M104
N2 M14
N3 G110 C0
N4 G0 X100 Z2
N5 G100 XK20 YK5
N6 G791 XK30 YK5 Z-5 J5 P2
N7 M15
END
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