Okuma Alarm-A 1309 Sensor protect
After touching, the sensor moved over the preset distance
Or, the turret directly hit the protection limit before it touches the sensor.
preset distance:OPTIONAL PARAMETER (GAUGING)
Sensor protection distance
Sensor input number
Probable Faulty Locations
1)Parameter setting error:The value set at the parameter (long word) No. 24 is too small compared with the feedrate in the gauging cycle.
2)Program error, operation error:An attempt is made to execute the program in which the sensor is brought into contact with the object in cycles other than the gauging cycle. Or the similar operation is attempted.
3)Contact failure of slip ring
4)Defective sensor element
5)Chartering occurs depending on the machining condition.
Measures to Take
1)Reset the alarm in MANUAL mode by turning ON the emergency limit release switch in the control box and take the turret away from the touch setter using the pulse handle.
When the turret moves out of the stroke end limit, turn OFF the emergency limit release switch.
2)Set a proper value at parameter (long word) No. 24, or reduce the feedrate in the gauging cycle.
3)Correct the program so that the sensor is not brought into contact with the object in cycles other than the gauging cycle.
4)Check the slip ring.
5)Change the sensor element.
6)Eliminate chartering during machining.
MC USER PARAMETER (MEASUREMENT)
Touch setter alarm check ineffect. at retract.
1->Sensor contact (or limit switch input) is monitored only in gauging cycle.