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HM 1000/1250
9. Resetting the reference point for each axis
9.1 Resetting the reference point for the X axis (X-axis stroke: 2100mm)
1) Insert the test bar into the spindle.
2) Return the X axis to the reference point
manually.
3) In MDI mode, move the X axis to the middle
stroke position (X1050.), Y to Y250., and Z to
Z30., respectively.
4) Install the indicator in the center of the table,
and put the gauge needle at 30mm away from
the end of the test bar. Rotate the spindle
manually and stop rotating it at the middle point
of the runout values of the test bar.
5) While moving up or down the Y axis in Handle mode, set the gauge to "0" at the highest
point.
▪ Do NEVER move the X axis.
6) Instruct G91 Y100.; B180. ; Y-100.; in MDI mode.
▪ If the test bar moves down at the command of Y-100.;, decrease the override speed in
order to reduce the shock on the gauge.
7) Move the X axis half of the measurement according to the 180-degree rotation of the
table, and repeat step 6 above to adjust the reference point so that the measurement
falls below 0.005mm.
8) Read the measuring value of the machine position (coordinates) displayed on the main
OP and enter the positive (+) parameter if it's "+" from X1050.000, or the negative (-)
parameter if "-" from X1050.000.
※ Parameter for the X-axis reference point: NO. #1850 X
▪ When you have changed the parameter, you must turn off the machine and turn it
back on.
▪ Add or deduct the above measurement to and from the existing parameter and enter
"INPUT", or enter the result plus the symbol, and press "+INPUT".
9) Reset the reference point of the machine and repeat steps 1) ∼8) above until the
measurement is within 0.05 mm.
42
HM1000ISE99
Rotate by 180˚
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