YASKAWA yasnac i80m Instruction Manual page 635

'
TOOL LENGTH
MEASUREMENT
*
MEASURE-
QMENT
WRITE
&.
RETRACT
V
_
/
M
Home
position
jo;
€
-
Z.
I,
Return
"S
Contact
level
Reference
level
(B)
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-
Workpiece
Tool
length measurement
bias value
setting pm 806
Block
gage
Fig. 3.6.8
Measurement
of Tocil Length Offset
Value
l
Measurement is started
at
home position.
The
position is assumed
to
be the
zero point.
(£0)19
1-
To
assume this position as the zero point of the workpiece
coordinate
system, perform
workpiece coordinate
system
zero setting. Measurement is normally made without the
setting.
2. For details of the tool
length
measurement
screen,
refer
to
Par 3.4.6.2,
" Tool
job", (4) tool length
measurement
function.
[6] Use the
page
keys and cursor keys
to
move the cursor
to
the tool
offset number where data are
to
be written. Otherwise,
enter
the tool
key-
The
page
of the input offset value is displayed and the cursor
is
at
the
input offset number.
[7]
Align the tool
tip to
the
contact
level by Z-axis
manual operation.
The
contact
level
can
be
set at
an arbitrary distance from the refer¬
ence level (workpiece processing surface). The difference between
the levels is the tool
length measurement bias, which
must
be
preset
in Pm806 (input unit is
1.)
The value
represents
the thickness of the
block
gage,
and
must
be a positive value.
offset number and depress the
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611