BM109 SERIES 1.5KW Auto-Focusing Laser Cutting Heads
As shown in figure 6.8, use a lens-taking tool to remove the focus lens holder;
focus lens holder
Removal and installation tool of lens holder
Figure 6.8 - Removal and installation tool of focus lens holder
Remove the spring pressure washer and lens with a lens taking tool;
Replace or clean the focus lens;
As the direction shown in figure 6.9, put the focusing lens and the spring pressing ring in the lens
holder carefully and tighten the pressing ring properly;
Elastic pressing ring
Please note that biconvex lens gets 1 big curve face and 1 small curve face.
The small curve face shall be next to concave face of meniscus lens
focusing lens
protective lens
focusing lens holder
Figure 6.9 - Installation diagram of focusing lens
Spin the focus lens holder bake to focus lens barrel and tighten it;
As the sequence shown in Figure 6.7, reassemble and lock the screw.
Check if the focus position is at the center of nozzle hole. If not, refer to the 3.1 step to reset the
centering operation.
5.3 Replace Nozzle Connector
V1.0
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