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BM111 SERIES 3KW Auto-Focusing Laser Cutting Heads User Manual
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6
Maintenance
6.1
Cleaning Lens
It’s necessary to maintain lens regularly because of the characteristic of laser cutting process.
Once a weak cleaning the protective lens is recommended. The collimating lens and focusing lens
need to be cleaned once every 2~3 month. In order to facilitate the maintenance of the protective
lens, the protective lens mount adopts a drawer type structure.(Fig6.1)
Lens cleaning
Tools: Dust-proof gloves or finger sleeves, polyester fibers cotton stick, ethanol, rubber gas
blowing.
Cleaning instruction:
1. The left thumb and forefinger wear the finger sleeves;
2. Spray ethanol onto the polyester fibers cotton stick;
3. Hold the slide edge of the lens with left thumb and forefinger gently.(note: avoid the
fingertip touching the surface of the lens)
4. Put the lens in front of eyes, hold the polyester fibers cotton stick with the right hand. Wipe
the lens gently in single direction, from bottom to top or from left to right, ( Should not be able to
wipe back and forth, to avoid secondary lens pollution)and use rubber gas blowing to sway the
surface of the lens. Both sides should be cleaned. After cleaning, make sure that there are no
residues: detergent, absorbent cotton, foreign matter and impurities.
6.2
Removal and Installation of Lens
The whole process need to be completed in a clean place. Wear dust-proof gloves or finger
sleeves when removing or installing the lenses.
Fig 6.1 - Replace the protective lens
Protective lens mount
