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January 14, 2018
DIY Laser Fume Extractor: [Stage 4] Electro-Static Filter

DIY Laser Fume Extractor: [Stage 4] Electro-Static Filter

Overview: The Electro-Static Air Filter charges the incoming fume into one charge and collects the particles onto the subsequent plate with an opposing charge. It reduces the smoky character of the laser exhaust fume down to visibly clear form prior to the Activate Charcoal Filter. The earlier versions of our laser fume scrubber employed HEPA …

January 13, 2018
DIY Laser Fume Extractor: [Stage 3] Large Particulate Filter

DIY Laser Fume Extractor: [Stage 3] Large Particulate Filter

Overview: This is what we call the stage 3 Large Particulate Filter where the raw laser fume is first mechanically filtered. It employs an easily procurable and economical 16 x 25 x 1″ disposable HVAC filter. We use MERV 13 that can be ordered on Amazon in bulk (or equivalent 3M filters as they do …

January 12, 2018
DIY Laser Fume Extractor: [Stage 2] Exhaust Mixer

DIY Laser Fume Extractor: [Stage 2] Exhaust Mixer

Overview: The laser engraver has two 4″ dia. ports for its exhaust output; One from the above and the other from the bottom of the lasing table. We thought about designing and attaching a rigid intake unit directly behind the laser machine to control and direct the flow at the lowest resistance but it didn’t …

January 11, 2018
DIY Laser Fume Extractor: [Stage 1] Laser Engraver Exhaust

DIY Laser Fume Extractor: [Stage 1] Laser Engraver Exhaust

Overview: The laser engraver had two size options, 3 or 4″ dia., for its two exhaust ports. We opted for the larger one to maximize the gas flow. One port is for the fume exiting from the top of the table. The other port connected to the bottom center of the lasing table. This is for …

January 2, 2018
DIY Laser Fume Extractor: Pre-Version 8.2 Units

DIY Laser Fume Extractor: Pre-Version 8.2 Units

Previous Laser Fume Extractor Versions: Before we reached the current working version of Bernie, 8.2, the DIY Laser Fume Extractor, there were many mistakes and many revisions to the designs and prototypes. Here are some for your entertainment:   \

September 24, 2017
DIY Laser Fume Extractor: Part 2 – The Scope & v8.2

DIY Laser Fume Extractor: Part 2 – The Scope & v8.2

Return to DIY Laser Fume Extractor: Part 1 First Thing First: CAUTION!! Laser engravers and laser cutters release  toxic fumes including carbon monoxide, even when used properly. Some will kill you slowly. SOME WILL KILL YOU FAST!!! Some resulting funerals may be closed casket scenarios. Some will save money by cremating you for you.  So …

September 24, 2017
DIY Laser Fume Extractor: Part 1 – The Beginning

DIY Laser Fume Extractor: Part 1 – The Beginning

Why Another DIY Laser Fume Extractor? For our first “real” laser engraver purchase, we knew we needed a “real” laser fume extractor system. Our goal to cut through and engrave MDFs and Plexiglass required relatively powerful laser machine (130W). That meant burning through glue laden wood materials and solid plastics quickly. Doing this would release …

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