BM115 SERIES 6-12KW Laser Cutting Head User Manual
Cleaning to the cover glass once a week is recommended. The collimating lenses and focusing
lenses are recommended to be cleaned once every 2~3 months. In order to facilitate the
maintenance of the cover glass, the cover glass holder adopts a drawer type structure. (Figure
5.1)
Cover glass holder
Figure 5.1 — Replacement of cover glass
Lens cleaning
a. Tools: Dust-proof gloves or fingertip, polyester swab, absolute ethanol, rubber gas blow
(purely compressed air).
b. Cleaning instruction:
1. To put fingertip onto left thumb and index finger.
2. Spray absolute ethanol onto the polyester swab.
3. Hold the edge of the lens with left thumb and index finger gently. (note: avoid touching
the surface of the lens by fingertip in case of trace)
4. Hold the lens to face eyes by left hand and hold the polyester swab by right hand. Wipe
the lens gently in single direction, from bottom to top or from left to right (Should not
wipe back and forth in case of secondary pollution to lens) and use rubber blow (purely
compressed air) to blow the surface of the lens. Both surfaces should be cleaned. After
cleaning, make sure that there is no residual like detergent, floating ash, foreign matters
and impurities.
5.2 Removal and Installation of Lenses
The whole process needs to be completed in a dust free room. Wear dust-proof gloves or
fingertips when removing or installing the lenses.
5.2.1 Removal and Installation of Cover Glass
The cover glass is wearing part which needs to be replaced once it is damaged.
As shown in Figure 5.2, open the buckle to pull out cover glass holder by pinching 2 edges
of drawer type holder.
Remove the pressing ring of the cover glass and cover glass after wearing fingertips
Clean the cover glass, cover glass holder and seal ring. The elastic seal ring should be
replaced if it is damaged.
Install the cleaned cover glass (Regardless of the front or back surface) into the holder
of cover glass.
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