{"id":1817,"date":"2008-09-11T17:06:47","date_gmt":"2008-09-12T00:06:47","guid":{"rendered":"http:\/\/www.ponoko.com\/blog\/2008\/09\/11\/how-much-material-does-the-laser-burn-away\/"},"modified":"2020-08-26T22:15:17","modified_gmt":"2020-08-27T05:15:17","slug":"how-much-material-does-the-laser-burn-away","status":"publish","type":"post","link":"https:\/\/www.ponoko.com\/blog\/how-to-make\/how-much-material-does-the-laser-burn-away\/","title":{"rendered":"How Much Material Does The Laser Burn Away?"},"content":{"rendered":"

\"\"In 2008 I sought to try and quantify the kerf of our laser cutter, or how much material the laser cutter burns away when cutting specific materials.<\/p>\n

The idea behind providing this information is so you can make a more educated guess of what sizes to draw your shapes if you are needing a tolerance fit. This information is particularly relevant if you are creating inlays and slotting joints*.<\/p>\n

Please note these are 2008 figures, and have changed over time. <\/strong>Prototyping for yourself is the best way to guarantee the perfect result but hopefully this info will give you an idea of what to expect.<\/strong><\/p>\n

So anyway here are the results…<\/p>\n

For those using imperial:
\n\"imperial-results.jpg\"\/<\/a><\/p>\n

And for those on the metric system:
\n\"metric-results.jpg\"\/<\/a><\/p>\n

So what does that mean?<\/p>\n

If you are wanting to combine\/inlay materials, say a white square within a red one, or something like ColinFrancis jewelry<\/a>, then you can use this data to help determine what dimensions to create the shapes in your eps files at.<\/p>\n

If you were to draw some parts to be cut from 3mm acrylic as dimensioned below,<\/p>\n

\"1.jpg\"\/<\/a><\/p>\n

the white square on the right would end up at 39.80mm and the hole in the middle of the red square would be 40.20mm.<\/p>\n

However if they are dimensioned to allow for the laser burning material away, both the hole and the white square will come out at 40mm and they should fit snugly together.<\/p>\n

\"2.jpg\"\/<\/a><\/p>\n

This video shows what I am talking about. The square labeled ’40’ shows what happens in the first diagram, or when the dimensions for the hole and the bit to go into the hole are the same. The square labeled ‘40.20’ shows a square drawn to allow for the laser kerf. The parts fit snugly together with a nice click.<\/p>\n

Anyway, I hope that can be some inspiration for you. Happy making.<\/p>\n

* slotting joints also rely on the thickness of the material being consistent to be successful. All our materials have a thickness tolerance of +\/- 10% of the material thickness. I will create a post in the future which will address slotting joints in more detail but for now you can refer to here<\/a> for notes about nodes or ask a question in the forums<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

In 2008 I sought to try and quantify the kerf of our laser cutter, or how much material the laser cutter burns away when cutting specific materials.<\/p>\n

The idea behind providing this information is so you can make a more educated guess of what sizes to draw your shapes if you are needing a tolerance fit. This information is particularly relevant if you are creating inlays and slotting joints*.<\/p>\n

Please note these are 2008 figures,<\/strong><\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[],"class_list":["post-1817","post","type-post","status-publish","format-standard","hentry","category-how-to-make"],"yoast_head":"\nHow Much Material Does The Laser Burn Away?<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ponoko.com\/blog\/how-to-make\/how-much-material-does-the-laser-burn-away\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Much Material Does The Laser Burn Away?\" \/>\n<meta property=\"og:description\" content=\"In 2008 I sought to try and quantify the kerf of our laser cutter, or how much material the laser cutter burns away when cutting specific materials. 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