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The program blocks window shows the following BLK FORM
definition
0 BEGIN PGM NEW MM
1 BLK FORM 0.1 Z X+0 Y+0 Z-40
2 BLK FORM 0.2 X+100 Y+100 Z+0
3 EN
PGM NEW MM
The TNC automatically generates the block numbers as well as the
BEGIN and END blocks.
Programming tool movementstool movements in
conversational format
To program a block, initiate the dialog by pressing a function key. In
the screen headline, the TNC then asks you for all the information
necessary to program the desired function.
Example of a dialog
Initiate the dialog.
Coordinates ?
<
10
Enter the target coordinate for the X axis.
<
5
Enter the target coordinate for the Y axis, and go
to the next question with ENT.
Radius comp. RL/RR/no comp. ?
<
Enter "No radius compensation" and go to the
next question with ENT.
Feed rate F=? / F MAX = ENT
<
100
Enter a feed rate of 100 mm/min for this path
contour; go to the next question with ENT.
Miscellaneous function M ?
<
3
Enter the miscellaneous function M3 "spindle
ON"; pressing the ENT key will terminate this
dialog.
The program blocks window will display the following line:
3 L X+10 Y+5 R0 F100 M3
HEIDENHAIN TNC 426 B, TNC 430
www.EngineeringBooksPdf.com
Program begin, name, unit of measure
Tool axis, MIN point coordinates
MAX point coordinates
Program end, name, unit of measure
Functions during the dialog
Ignore the dialog question
End the dialog immediately
Abort the dialog and erase the block
Functions for setting the feed rate Soft key
Rapid traverse
Traverse feed rate automatically
calculated in TOOL CALL block
Key
55
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