Sinumerik Alarm 16720 Channel %1 block %2 axis %3 thread lead is zero


Sinumerik Alarm 16720 Channel %1 block %2 axis %3 thread lead is zero

Parameters:
%1 = Channel number
%2 = Block number, label
%3 = Axis name, spindle number

Definitions:
No lead was programmed in a thread block with G33 (thread with constant lead) or G331 (rigid tapping).

Reactions:
– Alarm display.
– Interface signals are set.
– Correction block is reorganized.

Remedy:
The thread lead must be programmed for the specified geometry axis under the associated interpolation parameters. X -> I Y -> J Z -> K

Program Continuation:
Clear alarm with NC START or RESET key and continue the program.

References

  1. Siemens Diagnostics Guide by Siemens
Sinumerik Alarm 16720 Channel %1 block %2 axis %3 thread lead is zero