Operation Manual

HEIDENHAIN CNC PILOT 4290 531
6.14 Interactive Working Plan Generation (IWG)
Pocket milling – Roughing/Finishing (G845/
G846)
The IWG generates one of the following cycles for the selected
(closed) milling contour:
 Pocket milling > Roughing: G845
 Pocket milling > Finishing: G846
Parameters
J Retraction plane (default: back to starting position)
 Front/read face: Position in Z direction
 Lateral surface: Position in X direction (diameter)
Q Machining direction
 From the inside toward the outside (Q=0)
 From the outside toward the inside(Q=1)
H Cutting direction
 H=0: Up-cut milling
 H=1: Climb milling
U Overlap factor
Range: 0 <= U <= 0.9; (0=no overlap)
P Maximum infeed in the milling plane
I Oversize in X direction (omitted for finishing)
K Oversize in Z direction (omitted for finishing)