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Safety and Handling of 3D Printing liquid resins
PhantomMJI posted a topic in 3D Printing BasicsI have been following the different posts on 3D Printing in this section and I am impressed with the good advice and thoughtful comments that have been made. For everyone now using a SLA or DLP (or inkjet) type printer that uses liquid resins, I would strongly suggest that you head over to this link (https://www.radtech.org/health-safety/proper-handling-of-uv-resins) and download the pdf on the safety and handling of these resins. I was the principal author in writing this short, hopefully easy to use file and it was targeted for the casual user like most of us on this forum. It is also available in several other languages on this page but I have to trust the translators that they got it right! I have been working with these resins since about 1983 and I can vouch that they are safe to handle when the proper precautions are used. BTW, the first demonstration of 3D Printing using liquid resins (SLA) was in 1986 so it has been around for some time. One of my proudest mementos from my career is a SLA printed dog that was made for me in 1993 by the research lab in a big company that was showing me what this new technology could do. Moderator - if you would like to have a good copy of the safety and handling guide for our section as a resource, I can supply it. Have fun modeling! Mike
USAF Flight-Line Extinguishers w/Modern Figure (201848) 1:48 VideoAviation Flight-lines are sometimes dangerous places thanks to start-up and shut-down of aero-engines being a little bit prone to spontaneous fires if something doesn’t turn on or off correctly. That’s why you see ground-crew standing at a respectful distance with a fire-extinguisher at the ready, just in case. This set from VideoAviation depicts a crewman wheeling his tubular trolley that contains a large extinguisher, as well as a couple of smaller ones that are dotted around for when additional help arrives. The crew-figure is of recent vintage, wearing the kind of standard BDU trousers and tshirt that you would see on every US airbase. The set arrives in a small clear clamshell box, with the contents cocooned in bubble-wrap behind a header card. The crewman and trolley frame are 3D printed in stereo-lithographic resin (SLR), and due to their delicate nature, they are again wrapped in blankets of foam sheet, which we removed for a better look. The seven other parts are in a cream-coloured resin, with a small decal sheet and roll of flexible tube bringing up the rear plus an instruction sheet that completes the package. Construction is simple, removing the frame from the supports, gluing the wheels and large canister to the frame, then making up an extended hose with nozzle at the end using the parts provided. The spare extinguishers are each a single part, and all three have stencils applied once they are painted. The crew figure just needs his supports cutting away, and will be ready to paint once you have cleaned up any attachment marks. The printing of the figure is excellent, and well up to the standards of any traditional sculpt, which is mind-blowing (a little bit) because before printing it only existed in a computer. He scales out at just over 1.7m or around 5’8”, which is a tad small, but within the range of plausibility. Some very detailed meshes went to make him. Painting instructions are given at relevant points, offering suggestions in colour names where applicable. Highly recommended. Review sample courtesy of
13odobson posted a topic in Other ToolsWondering if anyone uses or can advise on respirator cartridges for airbrushing. I will be using a 3m 7500 series respirator, but do I need only multi gas/vapour cartridges, only particulate filters or a combination of the two? Cheers