{"id":6573,"date":"2022-02-21T13:07:03","date_gmt":"2022-02-21T18:07:03","guid":{"rendered":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/?p=6573"},"modified":"2022-02-21T13:14:02","modified_gmt":"2022-02-21T18:14:02","slug":"assignment-5-pneumatic-experiments-jesse-wallace","status":"publish","type":"post","link":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/6573\/assignment-5-pneumatic-experiments-jesse-wallace\/","title":{"rendered":"Assignment 5 &#8211; Pneumatic Experiments &#8211; Jesse Wallace"},"content":{"rendered":"\n<p>For this assignment I decided to play around with methods to make the pneumatic pieces curl up. I spent a lot of time iterating and failing at attempts to  create movement in these pieces. The first one is shown below and is my cube pattern. I tried this pattern twice and both unfortunately failed. However I got a great sense of how the air dissipates within the plastic and how to consistently weld each seam shut. <\/p>\n\n\n\n<ol><li>Cube Pattern <\/li><\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"811\" src=\"https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-content\/uploads\/2022\/02\/Screen-Shot-2022-02-21-at-12.57.47-PM-1024x811.jpg\" alt=\"\" class=\"wp-image-6574\" srcset=\"https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-content\/uploads\/2022\/02\/Screen-Shot-2022-02-21-at-12.57.47-PM-1024x811.jpg 1024w, https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-content\/uploads\/2022\/02\/Screen-Shot-2022-02-21-at-12.57.47-PM-300x238.jpg 300w, https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-content\/uploads\/2022\/02\/Screen-Shot-2022-02-21-at-12.57.47-PM-768x608.jpg 768w, https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-content\/uploads\/2022\/02\/Screen-Shot-2022-02-21-at-12.57.47-PM-1536x1216.jpg 1536w, https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-content\/uploads\/2022\/02\/Screen-Shot-2022-02-21-at-12.57.47-PM-973x770.jpg 973w, https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-content\/uploads\/2022\/02\/Screen-Shot-2022-02-21-at-12.57.47-PM-508x402.jpg 508w, https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-content\/uploads\/2022\/02\/Screen-Shot-2022-02-21-at-12.57.47-PM.jpg 1604w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"662\" height=\"1024\" src=\"https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-content\/uploads\/2022\/02\/Screen-Shot-2022-02-21-at-12.57.40-PM-662x1024.jpg\" alt=\"\" class=\"wp-image-6576\" srcset=\"https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-content\/uploads\/2022\/02\/Screen-Shot-2022-02-21-at-12.57.40-PM-662x1024.jpg 662w, https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-content\/uploads\/2022\/02\/Screen-Shot-2022-02-21-at-12.57.40-PM-194x300.jpg 194w, https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-content\/uploads\/2022\/02\/Screen-Shot-2022-02-21-at-12.57.40-PM-768x1188.jpg 768w, https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-content\/uploads\/2022\/02\/Screen-Shot-2022-02-21-at-12.57.40-PM-508x786.jpg 508w, https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-content\/uploads\/2022\/02\/Screen-Shot-2022-02-21-at-12.57.40-PM.jpg 888w\" sizes=\"(max-width: 662px) 100vw, 662px\" \/><figcaption>I figured out how to use makeshift clamps to get accurate welds using the soldering iron!<\/figcaption><\/figure>\n\n\n\n<p>The next two are my successful experiments with a &#8220;curling&#8221; kind of actuation. Videos are below. <\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Pneumatic Actuation Experiment 1\" width=\"620\" height=\"349\" src=\"https:\/\/www.youtube.com\/embed\/hxO6TFcxiJU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Pneumatic Actuation Experiment 2\" width=\"620\" height=\"349\" src=\"https:\/\/www.youtube.com\/embed\/15r1eY2qDdM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Pneumatic Actuation Experiment 3\" width=\"620\" height=\"349\" src=\"https:\/\/www.youtube.com\/embed\/sCDOmPwk0Mg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>In order to make a pneumatically actuated piece that &#8220;curls&#8221; as it folds, follow the following instructions.<\/p>\n\n\n\n<ol><li>Cut a rectangle out of the given plastic. <\/li><li>Seal the sides, insert the pump and fastener.<\/li><li>Seal the ends.<\/li><li>Use a sharpie to draw diagonal lines across the shorter length of the plastic. as you move from the &#8220;base&#8221;(the opening for the air pump&#8221;), change the angle of the diagonal to be more and more shallow. <\/li><li>Heat seal along those drawn lines, using a resistance piece to keep airflow holes at approximately the center of each line. <\/li><\/ol>\n","protected":false},"excerpt":{"rendered":"<p>For this assignment I decided to play around with methods to make the pneumatic pieces curl up. I spent a lot of time iterating and failing at attempts&#8230;<\/p>\n","protected":false},"author":89,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[12],"tags":[],"_links":{"self":[{"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-json\/wp\/v2\/posts\/6573"}],"collection":[{"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-json\/wp\/v2\/users\/89"}],"replies":[{"embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-json\/wp\/v2\/comments?post=6573"}],"version-history":[{"count":2,"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-json\/wp\/v2\/posts\/6573\/revisions"}],"predecessor-version":[{"id":6580,"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-json\/wp\/v2\/posts\/6573\/revisions\/6580"}],"wp:attachment":[{"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-json\/wp\/v2\/media?parent=6573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-json\/wp\/v2\/categories?post=6573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2022\/wp-json\/wp\/v2\/tags?post=6573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}