Fixed Cycles: Drilling
3.6 UNIVERSAL DRILLING (Cycle 203, DIN/ISO: G203)
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HEIDENHAIN | TNC 320 | User’s manual for cycle programming | 9/2016
Q211 Dwell time at the depth?: Time in seconds
that the tool remains at the hole bottom. Input range
0 to 3600.0000
Q208 Feed rate for retraction?: Traversing speed
of the tool in mm/min when retracting from the
hole. If you enter Q208 = 0, the TNC retracts
the tool at the feed rate Q206. Input range 0 to
99999.999, alternatively FMAX, FAUTO
Q256 Retract dist. for chip breaking?
(incremental): Value by which the TNC retracts
the tool during chip breaking. Input range 0.000 to
99999.999
Q395 Diameter as reference (0/1)?: Select
whether the entered depth is referenced to the tool
tip or the cylindrical part of the tool. If the TNC is
to reference the depth to the cylindrical part of the
tool, the point angle of the tool must be defined in
the T ANGLE column of the tool table TOOL.T.
0 = Depth referenced to the tool tip
1 = Depth referenced to the cylindrical part of the
tool
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