{"id":409,"date":"2020-12-27T16:13:46","date_gmt":"2020-12-27T21:13:46","guid":{"rendered":"http:\/\/www.flatline.net\/journal\/?p=409"},"modified":"2020-12-27T21:50:26","modified_gmt":"2020-12-28T02:50:26","slug":"diy-laser-cutter-fume-extraction-update","status":"publish","type":"post","link":"http:\/\/www.flatline.net\/journal\/?p=409","title":{"rendered":"DIY Laser Cutter Fume Extraction &#8211; Update"},"content":{"rendered":"<p>Between making PPE and cranking up my <a href=\"http:\/\/www.atelierjet.com\/news\/products-and-services\/\">Etsy<\/a> sales I&#8217;ve learned\u00a0 few things I&#8217;d like to share:<\/p>\n<ul>\n<li>Etching rubber stamps will clog your filter.\u00a0 I knew etching would kick up a lot more dust, I just had no idea how much.\u00a0 My pre-filter and my HEPA clogged after about 3 hours of etching.<\/li>\n<li>You need the HEPA filter.\u00a0\u00a0 Mine clogged just as I was finishing a cut, so I pulled it and ran just with the pre-filter and the charcoal.\u00a0 Smoke came out of ventilator, enough that I needed to ventilate the studio by opening the garage door.\u00a0 Except it was 20F outside.<\/li>\n<li>You either need two HEPA filters or a way to buy a replacement within an hour or two.\u00a0 All of my clogged HEPA filters went from &#8220;pulling smoke just fine&#8221; to &#8220;completely clogged&#8221; in less than hour.\u00a0 Maybe I could put some sort of wind-speed sensor in the hose but it&#8217;s easier\u00a0 to order two HEPA filters and have a replacement on hand.<\/li>\n<li>HEPA quality varies by brand.\u00a0 I didn&#8217;t keep records of cuts between filters, but one filter lasted a few months, another almost a year.\u00a0 These were knock-off, mail-order brands, for the next filters I&#8217;m going to keep some simple notes on how many things I cut.\u00a0 I already do this to track nitrogen usage and plan on tank replacement.<\/li>\n<li>There&#8217;s no inventory of HEPA filters that have overnight shipping as an option, at least within my budget.<\/li>\n<li>A better pre-filter would help, maybe use the fabric wraps we use on standalone HEPA filters?<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Between making PPE and cranking up my Etsy sales I&#8217;ve learned\u00a0 few things I&#8217;d like to share: Etching rubber stamps will clog your filter.\u00a0 I knew etching would kick up a lot more dust, I just had no idea how much.\u00a0 My pre-filter and my HEPA clogged after about 3 hours of etching. You need [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[],"class_list":["post-409","post","type-post","status-publish","format-standard","hentry","category-lasersaur"],"_links":{"self":[{"href":"http:\/\/www.flatline.net\/journal\/index.php?rest_route=\/wp\/v2\/posts\/409","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.flatline.net\/journal\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.flatline.net\/journal\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.flatline.net\/journal\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.flatline.net\/journal\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=409"}],"version-history":[{"count":3,"href":"http:\/\/www.flatline.net\/journal\/index.php?rest_route=\/wp\/v2\/posts\/409\/revisions"}],"predecessor-version":[{"id":414,"href":"http:\/\/www.flatline.net\/journal\/index.php?rest_route=\/wp\/v2\/posts\/409\/revisions\/414"}],"wp:attachment":[{"href":"http:\/\/www.flatline.net\/journal\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=409"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.flatline.net\/journal\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=409"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.flatline.net\/journal\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=409"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}