42
The easiest way to align the cross hairs is to place a flat metal piece inside the chamber so that it is
in focus through the microscope. Then perform low-powered welds one at a time to see where the
laser is being directed onto the metal piece.
Screw A (below) adjusts the vertical (up/down) positioning of the laser. Turning the screw in a clock-
wise direction will raise the weld spot location. Screw B adjusts the horizontal (left/right) positioning.
Turning the screw in a clockwise direction will move the weld spot location to the right. Only adjust
one screw at a time. Also, typically only small adjustments are needed. A ¼ turn of the screw will re-
sult in a large change in the weld spot location.
Continue turning these screws until you are able to make the weld spot location fall in line with the
crosshairs.
Picture 35: Turning Screws
ATTENTION
Always use small adjustments when aligning the crosshairs, and ensure that the
test piece you are welding on stays stationary inside the weld chamber.
DO NOT ever completely unscrew either of these adjustment screws.
7.3: PERIODICALLY CHANGE THE COOLING WATER
It is necessary to periodically change the internal refrigerating liquid (distilled water or demineralized
water). The purpose in changing the water is to avoid the formation of micro alga inside the cooling
system that could reduce or block the thermal exchange efficiency.
SCREW B
LEFT/RIGHT
CLOCKWISE = RIGHT
SCREW A
UP/DOWN
CLOCKWISE = UP
Содержание LZR series
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