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3.1.2.3 Wave Error
This error occurs when the rotating laser surface is not a plane, but a turn up one as
shown in the figure to the right. The rotating beam projected on the wall is crooked,
similar to waviness, which is caused by the unbalance of rotating head. The value A
checked in the X-direction deviates upwards while the one in the Y-direction
downwards, or the value A in the Y-direction upwards while the one in the X-direction downwards. Meanwhile, you can see the
laser point above the head is mobile and its orbit is inclined to be a circle.
The error can be removed by adjusting the balance block of the Rotating head as follows:
a.
Remove the top cover as discussed in section 1 of this document.
b.
Regulate the adjusting screws on the four balance block as shown in the figure to the right, until the laser point above
the head becomes stable, namely, the laser point projected on the ceiling being a stable one.
1)
As shown in the figure below, put the table vice on the debugging platform;
2)
Fix the core part without prism on the adjustment fixture, and Install the adjustment fixture on the table vice, to make the
laser spot towards the wall;
3)
Turn the core part, to make the laser revolve around the rotary axis. Adjust the 4pcs of adjustment crews which are used for
fixing the laser indicator, in order to make the diameter of the laser spot circle no more than 1cm;
4)
Spread the screw and laser source part with shellac;
Adjusting fixture
Core part
Table vice
Prepared By: Tim Wojo
10m
Wall
Revision - Date: 0 – 03232009
40-6537 Service Manual
Wave error
φ1cm
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