Yaskawa J50M Instructions User Manual

Page 198

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5 . 2 . 1 2 . 3

1 / 0 S I G N A L S ( C e n t ’ d )

Note :

If this input is turned on while the spindle
indexing operation execution output is on, the
spindle indexing operation is interrupted, and the
spindle indexing operation execution output is
turned off.

By turning off this input in such conditions, the spindle
indexing operation restarts.

(5) Spindle indexing execution output

#1207

1:

Spindle indexing execution
Not spindle indexing execution

(6) End of spindle indexing execution output

#1207 D3 1:

End of spindle indexing

o:

Spindle indexing not completed

Note :

The spindle indexing input signal must be turned

on and the spindle drive unit soft start cancel
input signal turned on by the sequencer, to
execute the spindle indexing function.

5.2.12.4 SPINDLE INDEXING TIMING CHART
[NC SIDEI

SPINDLE

INDEXING PoSITION

DESIGNATION

\

SPINDLE

INDEXING OPERATION

REQUEST

INPOT (#1 3430)

SPINDLE INDEXING EXECUTION
OUTPUT (#12072)

END O

F

SPINDLE INDEXING

EXECUTION OUTPUT (#12073)

!

END OF MST FUNCTION
INPUT (

FIN

)

SPINDLE ROTATION

ANALOG OUTPUT

I

CREEP ROTATION

o

COMMAND

/

5.2.12.5 SPINDLE INDEXING PROCEDURE

Before using the spindle indexing function, it is

important to consolidate the hardware resource, and
to control the 1/O signals by the sequencer.

The following is a general operation procedure.
For details, refer to the instruction manual of the

machine tool manufacturer.

(1) Command the M code specified by the machine

tool manufacturer the position in the part program
to perform the spindle indexing.

(2) Execute the part program. The spindle

indexing completes by executing the spindle
indexing M code.

(3) Then continue to execute the part program.

Note :

Spindle indexing cannot be performed under the

solid tap mode.

Command spindle indexing after

canceling the solid tap mode.

SPINDLE

START SPINDLE INDEXING

ROTATION

1-

-i

190

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