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My calculations were initially off because I didn’t take into account router bit width (1/4″ in my case). These are pivot points to that will be at the center of the circle you are cutting. Now you need to drill holes at various distances. I had to measure and drill one, and came out a little bit off the center… And don’t forget to make hole for the router bit.
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You’ll have to countersink them so board can move on top of the material being cut. Mark and drill holes for router base screws. To make jig, you’ll need to find a board that’s wide enough to fit base of your router.
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It is also recommended to use plunge router, but since I didn’t have one I’ll show how to do this with fixed base router. To make rings, you will need to make a circle cutting jig for your router first (unless you already have one). Goal is to cut out two sets of two rings as well as top and bottom parts using router and other tools. This is probably the hardest part of the project for anyone who is not very experienced with woodworking.
#New smartmusic calibrate manual
I used fixed base router instead of plunge (because I didn’t have one) and I used manual stapler instead of electric one, because it just worked better for me as strange as it sounds ?Īlso I used band saw instead of jig saw. Tools:Īgain almost all tools are the identical to the instructables with few exceptions: Instead of you can just use any cheap foam filter, as long as it’s 1/4″ thick and 24″x 15″ and pretty much every hardware store carries this size. The only different part that I used was air conditioner foam filter. Tools and Materials: Materials:Īll materials are listed in the instructable so I’m not going to duplicate this information here. Weather stripping and caulking added between layers to prevent any air from escaping. Same material used for base and top of the fume extractor body.įume extractor is held together by threaded rods. Bases and tops of cylinders are cut out from the 3/4″ birch plywood. It traps fine carbon particles coming from third stage filterĪctivated carbon is placed between two cylinders covered by a hardware metal cloth and a fine mesh window screen material. Fourth state: Final or post-filter made of foam fiberglass like polyester.This one is the most expensive filter, however it should last a long time (I’m hoping at least a year). Third stage: Activate carbon (charcoal) layer creates a filter that removes all vapor impurities from the air.Together with stage 1 filter these take care of any particles or dust coming from laser cutter. Second Stage: Off the shelf Honewell HEPA filter removes 99.97% of airborn particles as small as 0.3 microns.
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Made out of inexpensive air conditioner foam filters it traps large particles and extends life of the more expensive 2nd stage filter Powerful industrial fan takes air from the laser cutter and pushes it thru a 4 stage filtering system: I’ll have more pictures and videos, so between this post and original instructable it should be easier to figure out how to build one ?īefore you begin, keep in mind that even this solution is cheaper than industrial filtration systems, it still cost me about $567. My goal in this post is to document and explain my build, as well as provide missing pieces, basically a build log. You might ask what am I writing about here? Well original article was great, yet I found it lacked some details. There were about 3 designs I could find online, and the best one in my option was from this Instructable. That’s why I chose to build my DIY extractor. And then you have to buy specific or propitiatory filters which also not cheap as well. These filters costs sometimes as much as laser cutter itself, sometimes even more. Device like that will intake all the fumes, filter them out and blow out clean air, all of it staying in the room. Since my laser cutter is located in the basement and I currently have no simple way of getting ventilation to outside I knew I needed a recirculating fume extractor. Either vent them outside, or use some kind of filtration system or both. There are generally two options for getting rid of fumes. If you have a laser cutter/engraver machine, you know how import it is to get rid of the toxic and stinky fumes it creates, especially if you are cutting and engraving plastics.