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HM 1000/1250
9.2 Resetting the reference point for the Z axis (Z-axis stroke: 1250mm)
(1) Refer to "Reference point for X axis" above to
set the reference point of the X axis and set
the indicator to "0".
▪ The machine position is X1050. Z30 and
around Y250 for the Y axis.
2) In MDI mode, instruct G91 Z100.; B90.; Z-
100.;.
▪ By the time the last test bar reaches the
gauge, decrease the override speed in order
to reduce the shock on the gauge.
▪ If the reference point is way off, change the Z
coordinate Z-100.; to Z-95 or so and move
the Z axis to contact on the gauge in Handle
mode.
3) While moving the Z axis, set the indicator to "0".
4) Read the machine position (coordinates) displayed on the main OP screen and compare
it with Z30. Enter the positive (+) parameter if it's greater than Z30, or the negative (-)
parameter if less than Z30.
※ Z30 is the value where the dimension of the test bar is 310mm in length, and 60mm
in depth.
Z = L – (250 + D/2), Z = 310 – (250 + 30) = 30
▪ For HM1000, the distance between center of the table and spindle gauge line is
250mm. (285mm for HM1250)
※ Parameter for the Z-axis reference point: NO. #1850 Z
▪ Add the above measurement to the existing parameter and press "INPUT", or add
the positive symbol (+) to the above measurement and enter "+INPUT".
▪ When you have changed the parameter, you must turn off the machine and turn it
back on.
5) Reset the reference point for the Z axis and move the Z axis to Z30. Repeat this step
until the indicator reads below 0.005mm.
HM1000ISE99
"0" Setting
Measure
Rotate by 90˚
43
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