Establishment and Adjustment of the zero return position for Z-axis using following procedure.
Determinant of Z-axis zero return position based on Spindle Large Nose. For checking distance from Spindle Large Nose to zero return position, need to remove the chuck from the machine.
So this manual considers zero point reference indexes (zero point index marks) is Z-axis zero (Refer to << REFERENCE >> on last pages about exact distance from Spindle
The function key menu is changed as indicated below.  Press the [ F6 ] “ OPE PANEL ” function key to display the OPERATION PANEL screen.
Move the cursor to the “ ZERO POINT ADJUSTMENT ” using [ ↑ ] [ ↓ ] cursor
When the cursor is aligned with “ ZERO POINT ADJUSTMENT ”, press the [ → ]
(“ VALID ” is highlighted)
OPERATION PANEL
Set the Z-axis “ RELATIVE COORDINATE ” value to “ 0.000 ” at the Z-axis machine zero point in according to the following steps 2.3.1 ~ 2.3.3.
Press the [ POS ] (Position) function key to display the CURRENT POSITION Press the [ F2 ] “ REL. ” (Relative) function key on CURRENT POSITION screen
] (relative coordinate of Z-axis) using data input keys and press the [ F10 ] “ ORIGIN ” function key on “ RELATIVE COORDINATE ” screen.
The W-axis coordinate value (Z-axis relative coordinate value) is set to “ 0.000 ”.
RELATIVE COORDINATEabsolute relative
When the “ D ” is on the buffer area on the screen, press the [ F3 ] “ NC SYSTEM ”
Press the [ F5 ] “ MENU ” function key to change the function key menu as indicated below.
When the function key menu is changed, press the [ F1 ] “ ABS-SRV ” (Absolute Servo Monitor) function key to display the ABS SERVO MONITOR screen.
ALARM/DIAGN 1
Perform Z-axis initial setting in according to the following steps 4.1 ~ 4.2.
)
” and [ 1 ] in the Z-axis (< Z >) setting value parenthesis ( )
After step 4.1, “ INITIAL SET (ABS.) ” is displayed and the “ STATE ” display on the ABS. POSITION SET screen changes to “ ORIGIN SET ”.

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