{"id":6282,"date":"2011-12-03T09:58:41","date_gmt":"2011-12-03T16:58:41","guid":{"rendered":"http:\/\/www.ikillspies.com\/blog\/?p=6282"},"modified":"2012-01-17T13:55:46","modified_gmt":"2012-01-17T20:55:46","slug":"soft-robot","status":"publish","type":"post","link":"http:\/\/www.ikillspies.com\/?p=6282","title":{"rendered":"Soft Robot"},"content":{"rendered":"<p>Another recent technological development that means engineering has caught up with my visions from high school: <a href=\"http:\/\/spectrum.ieee.org\/automaton\/robotics\/military-robots\/freaky-boneless-robot-walks-on-soft-legs\">the soft robot<\/a> which comes from <a href=\"http:\/\/gmwgroup.harvard.edu\/\">George M. Whitesides&#8217; lab<\/a> at Harvard.<\/p>\n<p>UPDATE: Reading their paper and watching <a href=\"http:\/\/youtu.be\/rEeaWvgLDrE\">the video<\/a>, their lab<\/p>\n<ul>\n<li>printed a master mold in ABS using a 3D printer<\/li>\n<li>then cast in <a href=\"http:\/\/www.smooth-on.com\/Platinum-Cure-Sili\/c1115_1130\/index.html\">&#8220;EcoFlex&#8221; (from Smooth-On)<\/a>.  A vacuum chamber is used to pull bubbles out of the EcoFlex before it is poured into the mold.<\/li>\n<li>The non-expanding backing is a different material.<\/li>\n<\/ul>\n<p>links:<\/p>\n<ul>\n<li><a href=\"http:\/\/www.pnas.org\/content\/early\/2011\/11\/21\/1116564108\">paper in PNAS<\/a>\u00c2\u00a0(<a href=\"http:\/\/www.pnas.org\/content\/suppl\/2011\/11\/22\/1116564108.DCSupplemental\">supplements<\/a>)<\/li>\n<li><a href=\"http:\/\/youtu.be\/rEeaWvgLDrE\">fabrication video<\/a><\/li>\n<li>From 2010, Harvard student <a href=\"http:\/\/youtu.be\/Yji7Ssuw8y4\">Carina Fish<\/a> fabricates a tentacle from the EcoFlex, shows operation of a tentacle, operation of a &#8220;Hand&#8221; with knuckles&#8230; video embedding disabled!<\/li>\n<li><a href=\"http:\/\/youtu.be\/SbqHERKdlK8\">IEEE Spectrum video<\/a><\/li>\n<li><a href=\"http:\/\/gmwgroup.harvard.edu\/pubs\/pdf\/1112.pdf\">paper<\/a> about &#8220;pneunets&#8221; &#8211; &#8220;Soft Robotics for Chemists&#8221;<\/li>\n<li><a href=\"http:\/\/lucy.vub.ac.be\/publications\/Daerden_Lefeber_EJMEE.pdf\">Pneumatic Artificial Muscles: actuators for robotics and automation<\/a> about &#8220;McKibben-type actuators<\/li>\n<\/ul>\n<p><iframe loading=\"lazy\" src=\"http:\/\/www.youtube.com\/embed\/2DsbS9cMOAE\" frameborder=\"0\" width=\"640\" height=\"360\"><\/iframe><\/p>\n<p><iframe loading=\"lazy\" src=\"http:\/\/www.youtube.com\/embed\/csFR52Z3T0I\" frameborder=\"0\" width=\"480\" height=\"360\"><\/iframe><\/p>\n<p><iframe loading=\"lazy\" src=\"http:\/\/www.youtube.com\/embed\/rEeaWvgLDrE\" frameborder=\"0\" width=\"560\" height=\"315\"><\/iframe><\/p>\n<p>However, after <a href=\"http:\/\/open3dp.me.washington.edu\/\">reading up<\/a> on new techniques with 3D printing, I bet one could get similar results printing directly in the silicone goo! I know some have tried printing in caulking, for example with the <a href=\"http:\/\/wiki.makerbot.com\/frostruder-mk2\">Frostruder<\/a>. Note caulking would probably be too stiff for this application&#8230; but maybe could be used as a flexible tube, or the less-flexible side? In a two-goo printer maybe?<\/p>\n<p>See also:<\/p>\n<ul>\n<li><a href=\"http:\/\/www.hizook.com\/blog\/2011\/10\/11\/new-soft-robots-use-electropermanent-ep-magnet-valves-and-hydrogen-peroxide-pneumati\">New Soft Robots Use Electropermanent (EP) Magnet Valves and Hydrogen Peroxide &#8220;Pneumatic Battery&#8221;<\/a><\/li>\n<li><a href=\"http:\/\/www.hizook.com\/blog\/2010\/05\/10\/irobot-unveils-compliant-jamming-end-effector-robot-hand#blob\">IRobot Unveils Compliant &#8220;Jamming&#8221; End Effector (Robot Hand)<\/a><\/li>\n<li><a href=\"http:\/\/www.masshightech.com\/stories\/2008\/06\/30\/daily8-Tufts-joins-the-chembot-creation-challenge-with-33M-DARPA-contract.html\">DARPA &#8220;chembot&#8221;<\/a> (<a href=\"http:\/\/www.darpa.mil\/Our_Work\/DSO\/Programs\/Chemical_Robots_%28ChemBots%29.aspx\">DARPA page<\/a>)<\/li>\n<li><a href=\"http:\/\/www.ritsumei.ac.jp\/se\/~hirai\/research\/softrobot-e.html\">jumping hoop and sphere<\/a> robots from Japan<\/li>\n<li><a href=\"http:\/\/www.springerlink.com\/content\/22257377u81q5678\/\">Springer:<\/a> &#8220;Review of manufacturing processes for soft biomimetic robots&#8221; in International Journal of Precision Engineering and Manufacturing Volume 10, Number 3, 171-181<\/li>\n<\/ul>\n<p><iframe loading=\"lazy\" src=\"http:\/\/www.youtube.com\/embed\/SbqHERKdlK8\" frameborder=\"0\" width=\"420\" height=\"315\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Another recent technological development that means engineering has caught up with my visions from high school: the soft robot which comes from George M. Whitesides&#8217; lab at Harvard. UPDATE: Reading their paper and watching the video, their lab printed a master mold in ABS using a 3D printer then cast in &#8220;EcoFlex&#8221; (from Smooth-On). A [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-6282","post","type-post","status-publish","format-standard","hentry","category-looky"],"_links":{"self":[{"href":"http:\/\/www.ikillspies.com\/index.php?rest_route=\/wp\/v2\/posts\/6282","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.ikillspies.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.ikillspies.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.ikillspies.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.ikillspies.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6282"}],"version-history":[{"count":14,"href":"http:\/\/www.ikillspies.com\/index.php?rest_route=\/wp\/v2\/posts\/6282\/revisions"}],"predecessor-version":[{"id":6317,"href":"http:\/\/www.ikillspies.com\/index.php?rest_route=\/wp\/v2\/posts\/6282\/revisions\/6317"}],"wp:attachment":[{"href":"http:\/\/www.ikillspies.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6282"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.ikillspies.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6282"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.ikillspies.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6282"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}