HEIDENHAIN TNC 310 (286 140) Pilot - Manual (Page 34)

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Drilling Cycles
UNIVERSAL DRILLING (203)
CYCL DEF: Select Cycle 203 UNIVERSAL DRILLING
Set-up clearance: Q200
Depth – Distance between workpiece surface and bottom of hole:
Q201
Feed rate for plunging: Q206
Pecking depth: Q202
Dwell time at top: Q210
Surface coordinate: Q203
2nd set-up clearance: Q204
Decrement after each pecking depth: Q212
Nr of breaks – Number of chip breaks before retraction: Q213
Min. pecking depth if a decrement has been entered:
Q205
Dwell time at depth: Q211
Retraction feed rate: Q208
The TNC automatically pre-positions the tool in the tool axis. If the
DEPTH is greater than or equal to the PECKING DEPTH, the tool drills
to the DEPTH in one plunge.