Yaskawa J50M Instructions User Manual

Page 93

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background image

(x, Y)

.-.

INITIAL POINT

R POINT

Q

E

FEED

F FEED

J POINT

I

I

I

I

K POINT

Q

E

FEED

F FEED

Z POINT

SPINDLE STOP

o :

Single-block stop

E :

2-step feedrate

step: E, 2nd step: F)

Q :

Speed switching point (incremental)

J :

2-step hole rapid feed start point (absolute/

incremental)

K :

2-step hole cutting feed start point (absolute/

incremental)

w :

New initial point (absolute/incremental)

Note:

The return to the R point or initial point

after reaching the Z point is made by rapid feed.

G187 2-step boring

G 1 8 7 X . . . Y . . . Z . . . R . . . L . . . F . . . p . . . J . . .

K E... W... ;

. . .

Y)

I
1

-

W POINT

R POINT

F FEED

J POINT

E FEED

I

E FEED

K POINT

F FEED

● ✚

Dwell

o :

Single–block stop

P :

Z point dwell

J :

2-step hole rapid feed start point (return:

cutting feed start point) (absolute/incremental)

K :

2-step hole cutting feed start point (return:

rapid feed start point) (absolute/incremental)

E :

Feedrate between J and K, and return cutting
feedrate

w :

New initial point (absolute/incremental)

Note:

The return to the R point or initial point

after reaching the Z point is accomplished by
switching the cutting feed and rapid feed at points
J and K.

G189 2-step boring

G 1 8 9 X . . . Y . . . Z . . . R . . . P . . . L . , . F . . . E . , .

J K... W... ;

(X,

Y)

1

R POINT

J POINT

F FEED

E FEED

K POINT

Z POINT

DWELL (P)

● ✚

Dwell

o :

Single-block
stop

E:

Return cutting feedrate

J :

2-step hole rapid feed start point (return:
cutting feed start point) (absolute/incremental)

K :

2-step hole cutting feed start point (return:

rapid feed start point) (absolute/incremental)

Note:

The return to the R point or initial point

after reaching the Z point is accomplished by
switching the cutting feed and rapid feed at points
J and K.

2.9.30 ABSOLUTE/lNCREMENTAL PROGRAMMING

G91)

These G codes are for designating whether the move-

ment data following the axis address are in absolute

value or incremental value.

. . .

Absolute designation

In the block including G90 and in the subsequent
blocks, the movement data which follow addresses
X, Y, Z, ( are regarded as absolute values.

G90 GOO X.. . Y.. . Z.. . ;

Absolute designation

85

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