Cutting Applications - Mazak STX SC L PLUS CONTROL Training Manual

CUTTING APPLICATIONS

PIERCING
SYMPTOM: BLOW-OUT OCCURS DURING PIERCING
DEFINITION OF BLOW-OUT:
IS THE NOZZLE DAM AGED,
B LOCKED B Y SPLATTER OR
THE B EAM CENTERING OFF?
NO
DOES THE B LOW OUT OCCUR
B EFORE THE DW ELL TIM E HAS
FULLY ELAPSED?
Y ES
IS THE PROPER ASSIST GAS
TY PE AND PRESSURE USED?
Y ES
IS A STEP PIERCE USED?
NO
LOW ER THE DUTY FOR
THE PIERCING CONDITION.
NOTE: Other possible causes of blow-out during piercing include:
>
>
A shower of sparks are emitted upwards from the point of piercing.
Y ES
Damaged focus lens
Laser power low due to dirty internal or external mirrors
REPAIR OR REPLACE
THE NOZZLE.
INCREASE THE
DW ELL TIM E.
NO
CORRECT THE
ASSIST GAS.
NO
DETERM INE W HICH STEP
IS CAUSING THE B LOW -OUT
B Y VIEW ING THE " LASER
CONDITION" PORTION OF
THE " POSITION" SCREEN
W HILE PIERCING.
LOW ER THE DUTY FOR
THE STEP CAUSING THE
B LOW -OUT.
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