3-13
www.renishaw.com/nc4
9. Starting close to the transmitter (target position 1), manually traverse the spindle or machine table so
that the laser beam is centred with the target cross hairs.
10. Manually traverse the target or transmitter so that the target moves away from the transmitter and
towards the receiver (target position 2).
11. Adjust the rotation and the pitch of the transmitter unit so that the laser beam is repositioned on the
cross hairs.
12. Return to target position 1 and manually traverse the target or machine table to recentre the target
with the laser beam.
13. Repeat steps 10-12 until the laser spot remains on the centre of the cross hairs as it traverses along
the measuring gap between the transmitter and receiver.
14. Tighten the translation and rotation holding screws to 3.0 Nm (2.2 lbf.ft) using a 3 mm hexagonal key,
to lock the pack in position.
15. On the receiver adjuster pack, slacken the two translation holding screws and two rotation holding
screws to allow the plates to be adjusted.
16. If it is possible to reach the receiver adjuster pack with the machine spindle, clock the top and side of
the receiver adjuster top plate. This ensures that the receiver unit is parallel or perpendicular to the
machine axis.
17. Translate and rotate the receiver until the maximum signal is obtained on the voltmeter or set-up tool.
Check that either:
• The voltmeter reading is between 1.0 V and 7.0 V, or
• The set-up tool reading is between 1.0 and 7.0
18. Tighten the translation and rotation holding screws to 3.0 Nm (2.2 lbf.ft) to lock the unit in position.
19. Check that the laser beam is not obstructed.
On the NCi-6 interface unit, set switch SW1-2 (NC set-up) to “Off”
Check that:
• the NCi-6 interface unit status LED is green, and
• the voltmeter reading is between 4.7 V and 5.4 V.
NOTE: If the set-up tool is used, ignore the reading on the display. A false reading is shown when the
NC set-up mode is switched off.
20. If the beam is blocked when the switch is set to “Off”, the system will be unable to set itself correctly. If
this occurs remove the obstruction then set switch SW1-2 (NC set-up) to “On” then back to “Off”.
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