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5) djust the focus lens
Put a piece of the acrylic plate on the worktable, point try to see if by penetrating acrylic around before
and after laser vertical. No vertical adjustment screws on the third mirror will light up the vertical,
make the strongest so far, the energy of the laser spot thus the laser with the focusing lens to vertical;
And then adjust the focal length of the focusing lens, will focus on the screw loosening of lens, the
distance of the laser head to move up and down, that is, adjusting the focal length of the laser, make
cutting line of the finest and most, minimize the play in the laser spot on the surface of the object's
deepest, this distance is the best machine working distance, to write down the work of numerical,
convenient use.
When we are machine factory, will give the customer a for this machine use the focal length of the
rods, the focal length rod from the location in the above to distance on the surface of the materials, the
working distance of this distance is the best.
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