Organization mode of operation | Parameters
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HEIDENHAIN | MANUALplus 620 | User's Manual | 12/2017
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Drilling
Drilling – Approach and departure
Approach and departure movements are at rapid traverse (G0).
Approach and departure
Parameter
Approach – Face ANBS
Approach – Lateral surface ANBM
Departure – Face ABGA
Departure – Lateral surface ABBM
Approach or departure strategy:
1: Move simultaneously in X and Z directions
2: First X, then Z direction
3: First Z, then X direction
Drilling – Safety clearances
Safety clearances
Parameter Meaning
Internal safety clearance SIBC
Retraction distance for deep-
hole drilling (B for G74)
Driven drills SBC
Safety clearance for driven
tools on face and lateral
surface
Stationary drills SBCF
Safety clearance on face and
lateral surface for tools that are
not driven
Driven taps SGC
Safety clearance for driven
tools on face and lateral
surface
Stationary taps SGCF
Safety clearance on face and
lateral surface for tools that are
not driven
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