Okuma Alarm-B 2404 MULTI CYCLE Angle

Okuma Alarm-B 2404 MULTI CYCLE Angle
In the G71, G72 thread cutting cycle, A(taper angle) command is illegal and floating point of thread radius difference cannot be calculated.
G71: Compound thread cutting cycle on side face
G72: Compound thread cutting cycle on end face

Object
SYSTEM

Code
bit0->Overflow in converting into integer
bit1->Exponential underflow
bit2->Exponential overflow
bit3->Calculation of root of a negative number
bit4->Division by 0
bit5->Angle overflow for TAN

Probable Faulty Locations
Program error
Program Example:

N010 G71 X100 Z100 B60 D1 H5 U0.2 F5 A90

Measures to Take
Check the A command value.
For the example program, correct the A command value.

N010 G71 X100 Z100 B60 D1 H5 U0.2 F5 A170