Mirror Image On/Off (M95/M94) - YASKAWA yasnac i80m Instruction Manual

Cnc system for machining centers
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2.13.4
Mirror
Image
ON/OFF
(M95/M94)
*
(1)
The
following
M codes
are
used.
Table 2.13.9 Mirror
Image
ON/OFF
M Code
Meaning
M94
Mirror
image
OFF
M95
Mirror
image
ON
l
(2)
Mirror
images can
be
applied (ON) or
removed
(OFF)
from
an
arbitrary
point in
the
program.
These codes
must always
be commanded with
an
independent
block.
(3)
The M94 and M95 commands
are modal.
When
the
power
is
turned
on,
M94
(OFF)
is
set
by
default.
(4)
The axis in which
a
mirror
image
is
applied,
is specified with
settings
Pm0002 DO
to
Pm0003 DO
or using a
"mirror image axis specifying"
switch. For details
on
this
operation, see
Par. 3.5.1.28.
(5)
Mirror
image
is
applied
to
the
specified
axis from
a
block
next to
the
one
in which M95 is commanded. That is,
movement
is made in the
direction
opposite to
the
program
-commanded
movement
direction.
Y-AXIS
A
!
\
1
A
X-AXIS MIRROk IMAGE ON
PROGRAM
COMMAND
\
M9T.
t
X-AXIS
Fig. 2.13.25 Mirror
Image
ON
(M95)
The same mirror effect is obtained
regardless of
whether the
move
command is made
by an
absolute
or incremental command.
Remember that the M95-commanded block is the mirror
point.
(6)
Mirror
images are
canceled in blocks after the M94-commanded block.
The
position
at
which mirror image is
begun
to
be
applied and
the
cancel
position
must
be the same.
-
211

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