14
d. Finally, set the size you want to engrave, click on the "Create"
button, all the engraving parameters has been set.
6. L
aser focus adjustment
The effect of engraving or cutting depends largely on whether the
laser is focused, most of the existing laser engraving machines on the
market use a zoom laser, need to rotate the focus nut while staring at the
laser dot with your eyes to observe whether the laser is focused. Staring at
the laser dot for long periods of time can damage your eyes (even with
goggles), What's more, it's difficult to distinguish small changes in focus,
so it's hard to find the best laser focus point.
To solve this problem, we have abandoned the traditional zoom laser
and installed a fixed-focus laser on the NASUM A5/A5 PRO engraver,
with the specific focus point located 2mm from the bottom of the acrylic
cover, and a fixed-focus piece is included in the package. To use the laser,
!"#$%&'(
3.10
7'$$".4(*+('.4&-8".4()2''5(-.5(/-)'&(2*,'&
(
