Okuma Alarm-B 2379 LAP H-U(W) < D (M73)

Okuma Alarm-B 2379 LAP H-U(W) < D (M73) In M73 of G88 LAP mode, the value "thread height H - finish allowance U (W)" is smaller than D, and finish cut cycle is impossible. G88: Calls continuous thread cutting cycle. M73: Thread cutting pattern 1 Object
SYSTEM

Probable Faulty Locations
Program error
Program Example:

N010 G88 NLAP1 M32 M73 B60 H5 D3 U3

Measures to Take
Check the D, U and H commands.
For the example program, correct the value since “H – U >= D” is not satisfied.

N010 G88 NLAP1 M32 M73 B60 H5 D3 U0.3