Filtering Laser Engraving Fumes

Laser engraving systems are popping up in all sorts of businesses these days—even on Navy ships! The need to filter the fumes is very important for those that would like to have a laser in an enclosed environment.

These integrated filtration systems utilize three steps to proper and safe filtration:

• a particulate filter for larger particles and dust

• a HEPA filter for sub-micron particles

• a carbon filter for odor and smoke

Many forms of fume are given off as the laser thermally decomposes the substrate to a greater or lesser degree. This fume is a mixture of particulate and gaseous matter. Fumes from materials such as metals and glass are mainly particulates, and they are easily handled by the particulate filter.

Organic materials, particularly plastics, produce much more complex fumes. These particles fall within the respirable range and need to be removed from the working environment to prevent bronchial or lung damage. This type of fume is more challenging to remove and requires technical filters like HEPA and carbon to do the job.

Filter systems are available in many shapes and sizes for all sizes of lasers. One filter system from BOFA is designed as a base unit for up to a 12x24 table size laser system to sit securely on top. This is a great space saver and ideal for compact environments like a mall kiosk.

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September 1, 2011 2:55 pm

I have had a BOFA for over 2 years now and I absolutely love it! In addition to the environmental issues, I would buy it again just for it's efficiency and ease of use. Because I don't have to vent it to the outside, I have the flexibility of moving my laser wherever I want to which allows for greater workflow and organization.

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