Okuma Alarm-B 2406 MULTI CYCLE Cycle start point

Okuma Alarm-B 2406 MULTI CYCLE Cycle start point
In the G71, G72 thread cutting cycle, H command is too large and the reference point of thread cutting is not located in the infeeding direction from the cycle start point.
G71: Compound thread cutting cycle on side face
G72: Compound thread cutting cycle on end face

Object
SYSTEM

Probable Faulty Locations
Program error
Program Example:

N009 G00 X100 Z100
N010 G71 X98 Z50 B60 D1 H5 U0.2 F5

Measures to Take
Check the thread cutting start point command and thread height command. In the example program, change the thread cutting start point since the thread height is greater than the thread cutting start point.

N009 G00 X120 Z100
N010 G71 X98 Z50 B60 D1 H5 U0.2 F5