HEIDENHAIN TNC 306 Technical Manual - Manual (Page 461)

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TNC 406/TNC 306 1 Creating user cycles 3/97
1.2 Q parameters and functions in user cycles
Q-parameter programming can be used to create user cycles with variable program data, such as for
eroding extremely varied hole patterns, curves (e.g. spirals, sinusoidal, ellipse, parabola) and mold
components.
A detailed description of Q parameters and functions is given in the TNC User's Manual.
Q parameters with special significance
Q80 Number of the datum point in the datum point table
Q81 Coordinate of the X-axis
Q82 Coordinate of the Y-axis
Q83 Coordinate of the Z-axis
Q84 Coordinate of the C-axis
Eroding table OFF:
Q90–Q99 Eroding parameters
Eroding table ON:
Q96–Q98 Additional eroding parameters
Q99 Current power stage NR
Q150 Maximum power stage
Q151 Minimum power stage
Q152 Current table number
Q154 Minimum undersize (UNS) of min. NR
Q155 Two-times gap (2G) of min. NR
Q156 Two-times gap (2G) of max. NR
Q201–Q225 Two-times gap of min. to max. NR
Q231–Q255 Minimum undersize of min. to max. NR
General Q parameters:
Q100–Q107 Transfer values from PLC to NC
Q108
Electrode radius
Q109 Current tool axis
Q110 Rotational status of the C axis
Contents Q110
no M3/4/5 -1 (after PGM-NR ENT)
M3 active 0
M4 active 1
M5 active 2
Q111 Flushing ON/OFF
Contents Q111
no M8/9 -1 (after PGM-NR ENT)
M9 active 0
M8 active 1