Heidenhain MANUALplus 4110 User Manual Page 353

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HEIDENHAIN MANUALplus 4110 353
6.17 Parting Cycle
6.17 Parting Cycle
Parting cycle G859
The cycle G859 parts the workpiece. If programmed, a chamfer or
rounding arc is machined on the outside diameter. At the end of cycle,
the tool retracts and returns to the starting point.
You can define a feed rate reduction after position "I."
Parameters
X parting diameter
Z parting position
I diameter for feed reduction
I is defined: The control switches to feed rate "E" after this
position.
I is not defined: No feed rate reduction
XE inside diameter (tube)
E reduced feed rate—default: Active feed rate
B chamfer/rounding
B>0: Radius of rounding
B<0: Width of chamfer
Example: G859
%859.nc
[G859]
N1 T30 G95 F0.23 G96 S248 M3
N2 G0 X60 Z-28
N3 G859 X50 Z-30 I10 XE8 E0.11 B1
END
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