HEIDENHAIN TNC 426B (280 472) ISO programming - Manual (Page 387)

Contour cycles
Sequence of program steps for machining with several tools
List of subcontour programs G37 P01 ...
Define contour data G120 Q1 ...
Drill define/call
Contour cycle: pilot drilling
G121 Q10 ...
Cycle call
Roughing mill define/call
Contour cycle: rough-out
G122 Q10 ...
Cycle call
Finishing mill define/call
Contour cycle: floor finishing
G123 Q11 ...
Cycle call
Finishing mill define/call
Contour cycle: side finishing
G124 Q11 ...
Cycle call
End of main program, return M02
Contour subprograms G98 ...
G98 L0
Radius compensation of the contour
subprograms
Contour Programming sequence of the contour elements Radius compens.
Inside Clockwise (CW) G42 (RR)
(pocket) Counterclockwise (CCW) G41 (RL)
Outside Clockwise (CW) G41 (RL)
(island) Counterclockwise (CCW) G42 (RR)
Coordinate transformations
Coordinate transformation Activate Cancel
Datum shift G54 X+20 Y+30 Z+10 G54 X+0 Y+0 Z+0
Mirror image G28 X G28
Rotation G73 H+45 G73 H+0
Scaling factor G72 F0,8 G72 F1
Machining plane G 80 A+10 B+10 C15 G80
Q-parameter definitions
Programming guide ISO function overview
TNC 410, TNC 426, TNC 430
D Function
08 Root sum of squares c = √ a 2 +b 2
09 If equal, go to label number
10 If not equal, go to label number
11 If greater than, go to label number
12 If less than, go to label number
13 Angle from c • sin a and c • cos a)
14 Error number
15 Print
19 Assignment PLC
D Function
00 Assign
01 Addition
02 Subtraction
03 Multiplication
04 Division
05 Root
06 Sine
07 Cosine
M00 Stop program run/Spindle stop/Coolant off
M01 Optional program run interruption (not TNC 426, TNC 430)
M02 Stop program run/Spindle stop/Coolant off
Delete status display (depending on machine parameter)
Go to block 1
M03/M04 Spindle on clockwise / counterclockwise
M05 Spindle stop
M06 Tool change, if needed, spindle stop/program run stop
M08/M09 Coolant on / coolant off
M13 Spindle ON clockwise/Coolant ON
M14 Spindle ON counterclockwise/Coolant ON
M30 Same as M02
M89 Free miscellaneous function or cycle call, modal
M99 Cycle call, non-modal
M90 Constant contouring speed at inside corners
and uncompensated corners
M91 Coordinates in positioning block are referenced to
the machine datum
M92 Coordinates in positioning block are referenced to
a position defined by the machine builder
M94 Reduce display of rotary axis to value under 360°
M97 Path compensation on outside corners: point of intersection
instead of transition arc
M98 End of path compensation, non-modal
M101 Automatic tool change with sister tool
if maximum tool life has expired.
M102 Reset M101
M103 Reduce plunging rate to factor F
(percent)
M104 Reactivate datum last set in the manual mode of operation
(only NC 280 474-xx)
M105 Machining with second k
v
factor (not TNC 410)
M106 Machining with first k
v
factor (not TNC 410)
M107 Suppress error message for replacement tools
with oversize (in blockwise transfer, not TNC 410)
M108 Reset M107
M109 Constant contouring speed at the tool cutting edge
on inside and outside corners
M110 Constant contouring speed at the tool cutting edge
on inside corners
M111 Feed rate refers to the tool path center
(standard setting)
M112 Enter contour transition between two contour elements;
Enter contour deviation tolerance via T
M113 Reset M112 (not TNC 426, TNC 430)
M114 Automatic compensation of machine geometry when working
with tilted axes (not TNC 410)
M115 Reset M114 (not TNC 410)
M116 Feed rate for rotary axes in mm/min (not TNC 410)
M117 Reset M116
M118 Superimpose handwheel positioning during program run
(not TNC 410)
M120 Pre-calculate radius-compensated contour (LOOK AHEAD)
M124 Contour filter (not TNC 426, TNC 430)
M126 Shorter-path traverse of rotary axes
M127 Reset M126
M128 Maintain the position of the tool tip when positioning
with tilted axes (not TNC 410)
M129 Reset M128 (not TNC 410)
M130 Moving to position in an untilted coordinate system with a
tilted working plane (not TNC 410)
M134 Exact stop at nontangential contour transitions when positioning
with rotary axes (not TNC 410)
M135 Reset M134 (not TNC 410)
M136 Feed rate F in micrometers per spindle revolution
M137 Reset M136
M138 Select tilting axes
M200...M204 Functions for laser cutting machines (not TNC 410)
M functions
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