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BT240S 3KW 2D Laser Cutting Head User Manual
3.2.3 Removal and Installation of Collimating Lenses
The collimating lens can be replaced when the laser head is removed from the machine. This
manual is only explained for the collimation of RayTools. For the third party’s collimation, please refer
to the installation manual provided by the manufacturer.
Warning: be careful when moving the fiber. Damage to the fiber port may cause the fiber to
deflect. Use a light-shielding cover on the fiber to prevent it from being damaged.
• Wipe off the dust on the surface of BT240S;
• Use a 3mm internal hexagonal wrench to unscrew the screws above the optical fiber collimation
mirror as shown in Figure 11. Place it in a clean place;
• Screw out the collimating lens holder and remove the spring pressing ring and collimating mirror;
• Replace or clean the collimating lenses
•As shown in Figure 12, reassembl
e
the
collimating mirror assembly
in
sequence. Note that the spring
pressing ring is tightened properly and re-threaded into the FRA assembly;
Follow the above steps to reverse the operation for locking;
Check whether the focus position is in the center of the nozzle hole, if it is not in the center, it is
Figur
e 9 Structure of the protective lens holder
Figure 10 Structure of the protective lens