Channel %1 block %2 Illegal surface normal vector with 3D tool radius compensation


%1 = Channel number

%2 = Block number, label


In 3D face milling, surface normal vector and path tangent vector must theoretically be perpendicular to one another, i.e. they must be at 90° to one another. Since both vectors can be programmed independently of each other, deviations from this angle are possible and allowed. This alarm is generated when the angle between surface normal vector and path tangent vector becomes less than the limit angle given by the machine data 21084 CUTCOM_PLANENORMAL_PATH_LIMIT.


-    Correction block is reorganized.

-    Local alarm reaction.


Program Continuation:

-    Interface signals are set.

-    Alarm display.

-    NC Stop on alarm at block end.

Modify part program.

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

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