HEIDENHAIN MANUALplus 4110 - Manual (Page 328)

328 6 DIN Programming
6.13 Recessing Cy
cles
Simple recessing cycle, axial G865 / radial G866
The cycles axially/radially machine the rectangle described by the tool
position and "X, Z."
Parameters
 X base corner X (diameter value)
 Z base corner Z
 P recessing width
„ P is not defined: Infeeds <= 0.8 * cutting width of tool
„ P is defined: Infeeds <= P
 I oversize X (default: 0)
 K oversize Z (default: 0)
 Q roughing/finishing
„ Q=0: Only roughing
„ Q=1: The recess is first rough-machined with consideration of the
oversizes and then finish-machined at finishing feed E.
 E finishing feed rate or dwell time
„ For Q=0: Dwell time (for chip breaking)—default: Time of two
revolutions
„ For Q=1: Finishing feed—default: Active feed rate
Note on the execution of the cycle:
„ MANUALplus determines the cutting direction from the current tool
position relative to the starting point / end point of the contour area.
„ Tool position at the end of the cycle: Cycle starting point
Example: G865
%865.nc
[G865]
N1 T38 G95 F0.15 G96 S200 M3
N2 G0 X120 Z1
N3 G865 X102 Z-4 I0.5 K0.2 Q1 E0.11
END
Example: G866
%866.nc
[G866]
N1 T30 G95 F0.15 G96 S200 M3
N2 G0 X62 Z-18
N3 G866 X54 Z-30 I0.2 K1 Q1 E0.12
END
„ Cutting radius compensation: Active.
„ G57/G58 oversizes are taken into account if I/K is not
programmed. After the cycle has been executed, the
oversizes are canceled.