V1.1
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BM114 SERIES 6KW Laser Cutting Head User Manual
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Remove the gland of collimating protective lens, pinch the two sides of the drawer-type lens holder and
pull out the base of protective lens;
Seal the part connected with the components of collimating protective lens with textured paper so as to
prevent the entry of dust;
Wear the fingerstall and take out the lens;
Clean the lenses, lens holder and seal rings, for example, replace a new one for the damaged elastic seal
ring;
Install the new lens (regardless of the front and back sides) wiped clean into the drawer-type lens
holder;
Re-install the seal ring;
Re-insert the collimating protective lens holder to the laser processing head, cover the lid of collimating
protective lens and tighten the locking screw.
Note: It is not allowed to directly pull out of the edge of the elastic seal ring, which will damage the
elastic seal ring very easily.
5.2.3
Removal and Installation of Collimating Lenses
Removal and installation of collimating lenses refer to the following steps:
Remove the laser head and move to a clean place. Clean all dust on the laser head surface;
Use a 3mm internal hexagonal wrench to unscrew the locking screws of the collimating components (as
shown in Figure 6.5), seal the part connected with the components of collimating components with
Figure 6.3 — Take out
collimating protective lens