User`s manual

STRAIGHTNESS WITH ROTATIONAL CENTER AS REFERENCE
(R
OTATE LASER TRANSMITTER)
For complete description see also standard straightness.
Coarse centring the laser transmitter
1. Position the laser transmitter in the center of the rotating part of the
measurement object.
2. Position the receiver as close as possible to the laser transmitter. Adjust
the receiver to get the laser beam to hit the centre of the target.
3. Rotate shaft 180
o
.
4. Move the laser transmitter half the distance back to the center of the
target.
5. Re-adjust the receiver to get the laser beam to hit the center of the
target.
6. Angle adjustment: Move the receiver as far from the laser transmitter as
possible but still on the measurement object. Adjust the angle of the laser
beam (with the adjustment screws) by coning.
Coning principle: The axis of rotation is made into a single point at a
distance from the shaft end. This is made by rotating the laser transmitter
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